Ignore more files

- Change AVC output enable/disable to only change input/output of pin 7;
  only one pin should need to be used to send (i.e. actual differential
  signaling isn't being used, therefore, we can achieve the necessary
  (single-ended) differential voltage using only one pin, leaving the
  other outputting low)
- Use virtual ports to enable setting output status with single
  instruction

.clang-format

@@ -0,0 +1,9 @@
+---
+BasedOnStyle: LLVM
+UseCRLF: false
+BreakBeforeBraces: Attach
+AllowShortBlocksOnASingleLine: Empty
+IndentCaseLabels: true
+IndentPPDirectives: BeforeHash
+AlignConsecutiveMacros: Consecutive
+...

.clang-tidy

@@ -0,0 +1,291 @@
+---
+Checks: "-*,clang-diagnostic-*,clang-analyzer-*,-clang-analyzer-core.NullDereference,bugprone-*,misc-*,modernize-*,performance-*"
+WarningsAsErrors: ""
+HeaderFilterRegex: ""
+AnalyzeTemporaryDtors: false
+FormatStyle: none
+CheckOptions:
+  - key: bugprone-argument-comment.CommentBoolLiterals
+    value: "0"
+  - key: bugprone-argument-comment.CommentCharacterLiterals
+    value: "0"
+  - key: bugprone-argument-comment.CommentFloatLiterals
+    value: "0"
+  - key: bugprone-argument-comment.CommentIntegerLiterals
+    value: "0"
+  - key: bugprone-argument-comment.CommentNullPtrs
+    value: "0"
+  - key: bugprone-argument-comment.CommentStringLiterals
+    value: "0"
+  - key: bugprone-argument-comment.CommentUserDefinedLiterals
+    value: "0"
+  - key: bugprone-argument-comment.IgnoreSingleArgument
+    value: "0"
+  - key: bugprone-argument-comment.StrictMode
+    value: "0"
+  - key: bugprone-assert-side-effect.AssertMacros
+    value: assert,NSAssert,NSCAssert
+  - key: bugprone-assert-side-effect.CheckFunctionCalls
+    value: "false"
+  - key: bugprone-assert-side-effect.IgnoredFunctions
+    value: __builtin_expect
+  - key: bugprone-dangling-handle.HandleClasses
+    value: "std::basic_string_view;std::experimental::basic_string_view"
+  - key: bugprone-dynamic-static-initializers.HeaderFileExtensions
+    value: ";h;hh;hpp;hxx"
+  - key: bugprone-easily-swappable-parameters.IgnoredParameterNames
+    value: '"";iterator;Iterator;begin;Begin;end;End;first;First;last;Last;lhs;LHS;rhs;RHS'
+  - key: bugprone-easily-swappable-parameters.IgnoredParameterTypeSuffixes
+    value: "bool;Bool;_Bool;it;It;iterator;Iterator;inputit;InputIt;forwardit;ForwardIt;bidirit;BidirIt;constiterator;const_iterator;Const_Iterator;Constiterator;ConstIterator;RandomIt;randomit;random_iterator;ReverseIt;reverse_iterator;reverse_const_iterator;ConstReverseIterator;Const_Reverse_Iterator;const_reverse_iterator;Constreverseiterator;constreverseiterator"
+  - key: bugprone-easily-swappable-parameters.MinimumLength
+    value: "2"
+  - key: bugprone-easily-swappable-parameters.ModelImplicitConversions
+    value: "true"
+  - key: bugprone-easily-swappable-parameters.NamePrefixSuffixSilenceDissimilarityTreshold
+    value: "1"
+  - key: bugprone-easily-swappable-parameters.QualifiersMix
+    value: "false"
+  - key: bugprone-easily-swappable-parameters.SuppressParametersUsedTogether
+    value: "true"
+  - key: bugprone-exception-escape.FunctionsThatShouldNotThrow
+    value: ""
+  - key: bugprone-exception-escape.IgnoredExceptions
+    value: ""
+  - key: bugprone-implicit-widening-of-multiplication-result.IncludeStyle
+    value: llvm
+  - key: bugprone-implicit-widening-of-multiplication-result.UseCXXHeadersInCppSources
+    value: "true"
+  - key: bugprone-implicit-widening-of-multiplication-result.UseCXXStaticCastsInCppSources
+    value: "true"
+  - key: bugprone-misplaced-widening-cast.CheckImplicitCasts
+    value: "false"
+  - key: bugprone-narrowing-conversions.IgnoreConversionFromTypes
+    value: ""
+  - key: bugprone-narrowing-conversions.PedanticMode
+    value: "false"
+  - key: bugprone-narrowing-conversions.WarnOnEquivalentBitWidth
+    value: "true"
+  - key: bugprone-narrowing-conversions.WarnOnFloatingPointNarrowingConversion
+    value: "true"
+  - key: bugprone-narrowing-conversions.WarnOnIntegerNarrowingConversion
+    value: "false"
+  - key: bugprone-narrowing-conversions.WarnOnIntegerToFloatingPointNarrowingConversion
+    value: "true"
+  - key: bugprone-narrowing-conversions.WarnWithinTemplateInstantiation
+    value: "false"
+  - key: bugprone-not-null-terminated-result.WantToUseSafeFunctions
+    value: "true"
+  - key: bugprone-reserved-identifier.AggressiveDependentMemberLookup
+    value: "false"
+  - key: bugprone-reserved-identifier.AllowedIdentifiers
+    value: ""
+  - key: bugprone-reserved-identifier.Invert
+    value: "false"
+  - key: bugprone-signal-handler.AsyncSafeFunctionSet
+    value: POSIX
+  - key: bugprone-signed-char-misuse.CharTypdefsToIgnore
+    value: ""
+  - key: bugprone-signed-char-misuse.DiagnoseSignedUnsignedCharComparisons
+    value: "true"
+  - key: bugprone-sizeof-expression.WarnOnSizeOfCompareToConstant
+    value: "true"
+  - key: bugprone-sizeof-expression.WarnOnSizeOfConstant
+    value: "true"
+  - key: bugprone-sizeof-expression.WarnOnSizeOfIntegerExpression
+    value: "false"
+  - key: bugprone-sizeof-expression.WarnOnSizeOfThis
+    value: "true"
+  - key: bugprone-string-constructor.LargeLengthThreshold
+    value: "8388608"
+  - key: bugprone-string-constructor.StringNames
+    value: "::std::basic_string;::std::basic_string_view"
+  - key: bugprone-string-constructor.WarnOnLargeLength
+    value: "true"
+  - key: bugprone-stringview-nullptr.IncludeStyle
+    value: llvm
+  - key: bugprone-suspicious-enum-usage.StrictMode
+    value: "false"
+  - key: bugprone-suspicious-include.HeaderFileExtensions
+    value: ";h;hh;hpp;hxx"
+  - key: bugprone-suspicious-include.ImplementationFileExtensions
+    value: "c;cc;cpp;cxx"
+  - key: bugprone-suspicious-missing-comma.MaxConcatenatedTokens
+    value: "5"
+  - key: bugprone-suspicious-missing-comma.RatioThreshold
+    value: "0.200000"
+  - key: bugprone-suspicious-missing-comma.SizeThreshold
+    value: "5"
+  - key: bugprone-suspicious-string-compare.StringCompareLikeFunctions
+    value: ""
+  - key: bugprone-suspicious-string-compare.WarnOnImplicitComparison
+    value: "true"
+  - key: bugprone-suspicious-string-compare.WarnOnLogicalNotComparison
+    value: "false"
+  - key: bugprone-too-small-loop-variable.MagnitudeBitsUpperLimit
+    value: "16"
+  - key: bugprone-unhandled-self-assignment.WarnOnlyIfThisHasSuspiciousField
+    value: "true"
+  - key: bugprone-unused-return-value.CheckedFunctions
+    value: "::std::async;::std::launder;::std::remove;::std::remove_if;::std::unique;::std::unique_ptr::release;::std::basic_string::empty;::std::vector::empty;::std::back_inserter;::std::distance;::std::find;::std::find_if;::std::inserter;::std::lower_bound;::std::make_pair;::std::map::count;::std::map::find;::std::map::lower_bound;::std::multimap::equal_range;::std::multimap::upper_bound;::std::set::count;::std::set::find;::std::setfill;::std::setprecision;::std::setw;::std::upper_bound;::std::vector::at;::bsearch;::ferror;::feof;::isalnum;::isalpha;::isblank;::iscntrl;::isdigit;::isgraph;::islower;::isprint;::ispunct;::isspace;::isupper;::iswalnum;::iswprint;::iswspace;::isxdigit;::memchr;::memcmp;::strcmp;::strcoll;::strncmp;::strpbrk;::strrchr;::strspn;::strstr;::wcscmp;::access;::bind;::connect;::difftime;::dlsym;::fnmatch;::getaddrinfo;::getopt;::htonl;::htons;::iconv_open;::inet_addr;::isascii;::isatty;::mmap;::newlocale;::openat;::pathconf;::pthread_equal;::pthread_getspecific;::pthread_mutex_trylock;::readdir;::readlink;::recvmsg;::regexec;::scandir;::semget;::setjmp;::shm_open;::shmget;::sigismember;::strcasecmp;::strsignal;::ttyname"
+  - key: cert-dcl16-c.NewSuffixes
+    value: "L;LL;LU;LLU"
+  - key: cert-err33-c.CheckedFunctions
+    value: "::aligned_alloc;::asctime_s;::at_quick_exit;::atexit;::bsearch;::bsearch_s;::btowc;::c16rtomb;::c32rtomb;::calloc;::clock;::cnd_broadcast;::cnd_init;::cnd_signal;::cnd_timedwait;::cnd_wait;::ctime_s;::fclose;::fflush;::fgetc;::fgetpos;::fgets;::fgetwc;::fopen;::fopen_s;::fprintf;::fprintf_s;::fputc;::fputs;::fputwc;::fputws;::fread;::freopen;::freopen_s;::fscanf;::fscanf_s;::fseek;::fsetpos;::ftell;::fwprintf;::fwprintf_s;::fwrite;::fwscanf;::fwscanf_s;::getc;::getchar;::getenv;::getenv_s;::gets_s;::getwc;::getwchar;::gmtime;::gmtime_s;::localtime;::localtime_s;::malloc;::mbrtoc16;::mbrtoc32;::mbsrtowcs;::mbsrtowcs_s;::mbstowcs;::mbstowcs_s;::memchr;::mktime;::mtx_init;::mtx_lock;::mtx_timedlock;::mtx_trylock;::mtx_unlock;::printf_s;::putc;::putwc;::raise;::realloc;::remove;::rename;::scanf;::scanf_s;::setlocale;::setvbuf;::signal;::snprintf;::snprintf_s;::sprintf;::sprintf_s;::sscanf;::sscanf_s;::strchr;::strerror_s;::strftime;::strpbrk;::strrchr;::strstr;::strtod;::strtof;::strtoimax;::strtok;::strtok_s;::strtol;::strtold;::strtoll;::strtoul;::strtoull;::strtoumax;::strxfrm;::swprintf;::swprintf_s;::swscanf;::swscanf_s;::thrd_create;::thrd_detach;::thrd_join;::thrd_sleep;::time;::timespec_get;::tmpfile;::tmpfile_s;::tmpnam;::tmpnam_s;::tss_create;::tss_get;::tss_set;::ungetc;::ungetwc;::vfprintf;::vfprintf_s;::vfscanf;::vfscanf_s;::vfwprintf;::vfwprintf_s;::vfwscanf;::vfwscanf_s;::vprintf_s;::vscanf;::vscanf_s;::vsnprintf;::vsnprintf_s;::vsprintf;::vsprintf_s;::vsscanf;::vsscanf_s;::vswprintf;::vswprintf_s;::vswscanf;::vswscanf_s;::vwprintf_s;::vwscanf;::vwscanf_s;::wcrtomb;::wcschr;::wcsftime;::wcspbrk;::wcsrchr;::wcsrtombs;::wcsrtombs_s;::wcsstr;::wcstod;::wcstof;::wcstoimax;::wcstok;::wcstok_s;::wcstol;::wcstold;::wcstoll;::wcstombs;::wcstombs_s;::wcstoul;::wcstoull;::wcstoumax;::wcsxfrm;::wctob;::wctrans;::wctype;::wmemchr;::wprintf_s;::wscanf;::wscanf_s;"
+  - key: cert-oop54-cpp.WarnOnlyIfThisHasSuspiciousField
+    value: "false"
+  - key: cert-str34-c.DiagnoseSignedUnsignedCharComparisons
+    value: "false"
+  - key: cppcoreguidelines-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic
+    value: "true"
+  - key: google-readability-braces-around-statements.ShortStatementLines
+    value: "1"
+  - key: google-readability-function-size.StatementThreshold
+    value: "800"
+  - key: google-readability-namespace-comments.ShortNamespaceLines
+    value: "10"
+  - key: google-readability-namespace-comments.SpacesBeforeComments
+    value: "2"
+  - key: llvm-else-after-return.WarnOnConditionVariables
+    value: "false"
+  - key: llvm-else-after-return.WarnOnUnfixable
+    value: "false"
+  - key: llvm-qualified-auto.AddConstToQualified
+    value: "false"
+  - key: misc-definitions-in-headers.HeaderFileExtensions
+    value: ";h;hh;hpp;hxx"
+  - key: misc-definitions-in-headers.UseHeaderFileExtension
+    value: "true"
+  - key: misc-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic
+    value: "false"
+  - key: misc-non-private-member-variables-in-classes.IgnorePublicMemberVariables
+    value: "false"
+  - key: misc-throw-by-value-catch-by-reference.CheckThrowTemporaries
+    value: "true"
+  - key: misc-throw-by-value-catch-by-reference.MaxSize
+    value: "-1"
+  - key: misc-throw-by-value-catch-by-reference.WarnOnLargeObjects
+    value: "false"
+  - key: misc-uniqueptr-reset-release.IncludeStyle
+    value: llvm
+  - key: misc-unused-parameters.StrictMode
+    value: "false"
+  - key: modernize-avoid-bind.PermissiveParameterList
+    value: "false"
+  - key: modernize-loop-convert.IncludeStyle
+    value: llvm
+  - key: modernize-loop-convert.MakeReverseRangeFunction
+    value: ""
+  - key: modernize-loop-convert.MakeReverseRangeHeader
+    value: ""
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+    value: "16"
+  - key: modernize-loop-convert.MinConfidence
+    value: reasonable
+  - key: modernize-loop-convert.NamingStyle
+    value: CamelCase
+  - key: modernize-loop-convert.UseCxx20ReverseRanges
+    value: "true"
+  - key: modernize-make-shared.IgnoreDefaultInitialization
+    value: "true"
+  - key: modernize-make-shared.IgnoreMacros
+    value: "true"
+  - key: modernize-make-shared.IncludeStyle
+    value: llvm
+  - key: modernize-make-shared.MakeSmartPtrFunction
+    value: "std::make_shared"
+  - key: modernize-make-shared.MakeSmartPtrFunctionHeader
+    value: "<memory>"
+  - key: modernize-make-unique.IgnoreDefaultInitialization
+    value: "true"
+  - key: modernize-make-unique.IgnoreMacros
+    value: "true"
+  - key: modernize-make-unique.IncludeStyle
+    value: llvm
+  - key: modernize-make-unique.MakeSmartPtrFunction
+    value: "std::make_unique"
+  - key: modernize-make-unique.MakeSmartPtrFunctionHeader
+    value: "<memory>"
+  - key: modernize-pass-by-value.IncludeStyle
+    value: llvm
+  - key: modernize-pass-by-value.ValuesOnly
+    value: "false"
+  - key: modernize-raw-string-literal.DelimiterStem
+    value: lit
+  - key: modernize-raw-string-literal.ReplaceShorterLiterals
+    value: "false"
+  - key: modernize-replace-auto-ptr.IncludeStyle
+    value: llvm
+  - key: modernize-replace-disallow-copy-and-assign-macro.MacroName
+    value: DISALLOW_COPY_AND_ASSIGN
+  - key: modernize-replace-random-shuffle.IncludeStyle
+    value: llvm
+  - key: modernize-use-auto.MinTypeNameLength
+    value: "5"
+  - key: modernize-use-auto.RemoveStars
+    value: "false"
+  - key: modernize-use-bool-literals.IgnoreMacros
+    value: "true"
+  - key: modernize-use-default-member-init.IgnoreMacros
+    value: "true"
+  - key: modernize-use-default-member-init.UseAssignment
+    value: "false"
+  - key: modernize-use-emplace.ContainersWithPushBack
+    value: "::std::vector;::std::list;::std::deque"
+  - key: modernize-use-emplace.IgnoreImplicitConstructors
+    value: "false"
+  - key: modernize-use-emplace.SmartPointers
+    value: "::std::shared_ptr;::std::unique_ptr;::std::auto_ptr;::std::weak_ptr"
+  - key: modernize-use-emplace.TupleMakeFunctions
+    value: "::std::make_pair;::std::make_tuple"
+  - key: modernize-use-emplace.TupleTypes
+    value: "::std::pair;::std::tuple"
+  - key: modernize-use-equals-default.IgnoreMacros
+    value: "true"
+  - key: modernize-use-equals-delete.IgnoreMacros
+    value: "true"
+  - key: modernize-use-nodiscard.ReplacementString
+    value: "[[nodiscard]]"
+  - key: modernize-use-noexcept.ReplacementString
+    value: ""
+  - key: modernize-use-noexcept.UseNoexceptFalse
+    value: "true"
+  - key: modernize-use-nullptr.NullMacros
+    value: "NULL"
+  - key: modernize-use-override.AllowOverrideAndFinal
+    value: "false"
+  - key: modernize-use-override.FinalSpelling
+    value: final
+  - key: modernize-use-override.IgnoreDestructors
+    value: "false"
+  - key: modernize-use-override.OverrideSpelling
+    value: override
+  - key: modernize-use-transparent-functors.SafeMode
+    value: "false"
+  - key: modernize-use-using.IgnoreMacros
+    value: "true"
+  - key: performance-faster-string-find.StringLikeClasses
+    value: "::std::basic_string;::std::basic_string_view"
+  - key: performance-for-range-copy.AllowedTypes
+    value: ""
+  - key: performance-for-range-copy.WarnOnAllAutoCopies
+    value: "false"
+  - key: performance-inefficient-string-concatenation.StrictMode
+    value: "false"
+  - key: performance-inefficient-vector-operation.EnableProto
+    value: "false"
+  - key: performance-inefficient-vector-operation.VectorLikeClasses
+    value: "::std::vector"
+  - key: performance-move-const-arg.CheckTriviallyCopyableMove
+    value: "true"
+  - key: performance-no-automatic-move.AllowedTypes
+    value: ""
+  - key: performance-type-promotion-in-math-fn.IncludeStyle
+    value: llvm
+  - key: performance-unnecessary-copy-initialization.AllowedTypes
+    value: ""
+  - key: performance-unnecessary-copy-initialization.ExcludedContainerTypes
+    value: ""
+  - key: performance-unnecessary-value-param.AllowedTypes
+    value: ""
+  - key: performance-unnecessary-value-param.IncludeStyle
+    value: llvm

.devcontainer/devcontainer.json

@@ -0,0 +1,46 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/alpine
+{
+	"name": "AVR toolchain",
+	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+	"image": "mcr.microsoft.com/devcontainers/base:alpine-3.18",
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	"features": {},
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+	// Use 'postCreateCommand' to run commands after the container is created.
+	"postCreateCommand": "bash scripts/install-toolchain.sh",
+	// Configure tool-specific properties.
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"ms-vscode.cpptools",
+				"ms-vscode.cmake-tools",
+				"rockcat.avr-support",
+				"harikrishnan94.cxx-compiler-explorer",
+				"ms-vscode.cpptools-extension-pack",
+				"twxs.cmake"
+			],
+			"settings": {
+				"editor.formatOnSave": true,
+				"C_Cpp.codeAnalysis.clangTidy.checks.disabled": [
+					"clang-analyzer-core.NullDereference"
+				],
+				"C_Cpp.files.exclude": {
+					"build/**": true
+				},
+				"files.associations": {
+					"*.S": "avr"
+				},
+				"cmake.configureOnOpen": true,
+				"compilerexplorer.compilationDirectory": "${workspaceFolder}/build"
+			}
+		}
+	}
+	// "runArgs": [
+	// 	"--device=/dev/ttyUSB0",
+	// 	"--device=/dev/ttyUSB1"
+	// ]
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.gitignore

@@ -0,0 +1,9 @@
+*.o
+*.elf
+*.hex
+*.zip
+*.db
+*.bak
+build/
+hardware/_autosave*
+hardware/fp-info-cache

.vscode/c_cpp_properties.json

@@ -0,0 +1,17 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [],
+            "cStandard": "c17",
+            "cppStandard": "c++17",
+            "intelliSenseMode": "${default}",
+            "compilerArgs": [],
+            "configurationProvider": "ms-vscode.cmake-tools"
+        }
+    ],
+    "version": 4
+}

.vscode/settings.json

@@ -0,0 +1,14 @@
+{
+    "editor.formatOnSave": true,
+    "C_Cpp.codeAnalysis.clangTidy.checks.disabled": [
+        "clang-analyzer-core.NullDereference"
+    ],
+    "C_Cpp.files.exclude": {
+        "build/**": true
+    },
+    "files.associations": {
+        "*.S": "avr"
+    },
+    "cmake.configureOnOpen": true,
+    "compilerexplorer.compilationDirectory": "${workspaceFolder}/build",
+}

AVCLanDriver.c

@@ -1,967 +0,0 @@
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  AVCLanDriver.c
-
-  Description  :  AVC Lan driver for Toyota devices.
-
-  Author       :  Louis Frigon
-
-  Copyright    :  (c) 2007 SigmaObjects
-
-----------------------------------------------------------------------------------------------------
-                                          AVC LAN Theory
-
-     The AVC bus is an implementation of the IEBus which is a differential line, floating on logical
-     level '1' and driving on logical '0'. Floating level shall be below 20 mV whereas driving level
-     shall be above 120 mV.
-
-     The diagram below represents how things work from a logical perspective on the bus.
-
-     A rising edge indicates a new bit. The duration of the high state tells whether it is a start
-     bit (~165 us), a bit '0' (~30 us) or a bit '1' (~20 us). A normal bit length is close to 40 us.
-
-                       |<---- Bit '0' ---->|<---- Bit '1' ---->|
-     Physical '1'      ,---------------,   ,---------,         ,---------
-                       ^               |   ^         |         ^
-     Physical '0' -----'               '---'         '---------'--------- Idle low
-                       |---- 32 us ----| 7 |- 20 us -|- 19 us -|
-
-     A bit '1' is typically 20 us high followed by 19 us low.
-
-     A bit '0' is typically 32 us high followed by 7 us low. A bit '0' is dominant i.e. it takes
-     precedence over a '1' by extending the pulse. This is why lower addresses win on arbitration.
-
-     A start bit is typically 165 us high followed by 30 us low.
-
-                                  AVC LAN Frame Format
-     Bits Description
-
-      1   Start bit
-      1   MSG_NORMAL
-      12  Master address
-      1   Parity
-      12  Slave address
-      1   Parity
-      1   * Acknowledge * (read below)
-      4   Control
-      1   Parity
-      1   * Acknowledge * (read below)
-      8   Payload length (n)
-      1   Parity
-      1   * Acknowledge * (read below)
-          8   Data
-          1   Parity
-          1   * Acknowledge * (read below)
-      repeat 'n' times
-
-     In point-to-point communication, sender issues an ack bit with value '1' (20 us). Receiver
-     upon acking will extend the bit until it looks like a '0' (32 us) on the bus. In broadcast
-     mode, receiver disregards the bit.
-
-     An acknowledge bit of value '0' means OK, '1' means no ack.
-
---------------------------------------------------------------------------------------------------*/
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <avr/wdt.h>
-#include <stdio.h>
-
-#include "GlobalDef.h"
-#include "USART.h"
-#include "AVCLanDriver.h"
-
-/*--------------------------------------------------------------------------------------------------
-                                      Local Functions
---------------------------------------------------------------------------------------------------*/
-static void         SendStartBit ( void );
-static void         Send12BitWord ( word data );
-static void         Send8BitWord ( byte data );
-static void         Send4BitWord ( byte data );
-static void         Send1BitWord ( bool data );
-static bool         SendMessage ( void );
-
-static word         ReadBits ( byte nbBits );
-static bool         ReadAcknowledge ( void );
-
-static bool         HandleAcknowledge ( void );
-static bool         IsAvcBusFree ( void );
-
-static AvcActionID  GetActionID ( void );
-static void         LoadDataInGlogalRegisters ( AvcOutMessage * msg );
-
-/*--------------------------------------------------------------------------------------------------
-                                      Global Variables
---------------------------------------------------------------------------------------------------*/
-// Message frame global registers
-static const char * Description;
-static bool         Broadcast;
-static word         MasterAddress;
-static word         SlaveAddress;
-static byte         Control;
-static byte         DataSize;
-static bool         ParityBit;
-static byte         Data[ 256 ];
-
-bool         AUX_Enabled     = FALSE;
-AvcActionID  DeviceEnabled   = ACT_NONE; //casting possibly unneccesary
-
-static AvcInMessage MessageTable [] PROGMEM =
-{
-/*--------------------------------------------------------------------------------------------------
-                                  Head Unit (HU) Messages
-    0x60 = Tuner ID
-    0x61 = Tape ID
-    0x62 = CD ID
-    0x63 = CD Changer ID (this is what we're emulating)
---------------------------------------------------------------------------------------------------*/
-    { ACT_AUX_IN_USE,   4, {0x11, 0x01, 0x45, 0x01}, "AUX in use" },
-    { ACT_TUNER_IN_USE, 4, {0x11, 0x01, 0x45, 0x60}, "Tuner in use" },
-    { ACT_TAPE_IN_USE,  4, {0x11, 0x01, 0x45, 0x61}, "Tape in use" },
-    { ACT_CD_IN_USE,    4, {0x11, 0x01, 0x45, 0x62}, "CD in use" },
-
-    { ACT_NONE,         3, {0x11, 0x01, 0x46}, "No device in use" },
-    { ACT_NONE,         3, {0x11, 0x01, 0x20 /* xx */}, "Ping" }, // Get this once every minute in radio off mode. xx increments
-    { ACT_TUNER_INFO, 5, {0x60, 0x31, 0xF1, 0x01, 0x01 /* xx xx xx 0x00 0x00 0x00 0x00 */ /* 81 0 C9 = 107.9 or 107.7*/}, "Tuner Status"},
-    { ACT_EJECT_CD,    10, {0x62, 0x31, 0xF1, 0x00, 0x30, 0x01, 0x01, 0x00, 0x00, 0x00, 0x80}, "Eject CD" },
-    { ACT_NO_CD,       10, {0x62, 0x31, 0xF1, 0x00, 0xF8, 0x01, 0x01, 0x00, 0x00, 0x00, 0x80}, "No CD" },
-//    { ACT_CD_INFO,      6, {0x62, 0x31, 0xF1, 0x01, 0x10, 0x01 /* Track #, Min, Sec, 0x00, 0x80 */}, "CD Info: " },
-    {ACT_AUDIO_STATUS, 4, { 0x74, 0x31, 0xF1, 0x90 /* Volume, Balance, Fade, Bass, 0x10, Treble, 0x00, 0x0F, 0x00, 0x00 */ }, "Audio Status"},
-
-    { ACT_STATUS,       3, {0x00, 0x01, 0x0A}, "LAN Status" },
-    { ACT_REGISTER,     3, {0x11, 0x01, 0x00}, "LAN Register" },
-    { ACT_INIT,         3, {0x11, 0x01, 0x01}, "LAN Restart" },
-    { ACT_CHECK,        3, {0x11, 0x01, 0x20}, "LAN Check" },
-
-    { (AvcActionID)FALSE } //possibly should be ACT_NONE
-};
-
-const byte MessageTableSize = sizeof( MessageTable ) / sizeof( AvcInMessage );
-
-/*--------------------------------------------------------------------------------------------------
-                                    Our (CD) Commands
---------------------------------------------------------------------------------------------------*/
-AvcOutMessage CmdReset    PROGMEM = { MSG_BCAST,  5, {0x00, 0x00, 0x00, 0x00, 0x00}, "Reset" }; // This causes HU to send ACT_REGISTER
-
-//AvcOutMessage CmdRegister PROGMEM = { MSG_NORMAL, 5, {0x00, 0x01, 0x11, 0x10, 0x63}, "Register" };
-//AvcOutMessage CmdRegister PROGMEM = { MSG_NORMAL, 5, {0x00, 0x01, 0x11, 0x54, 0x63}, "Toggle HU On/Off" };
-//AvcOutMessage CmdRegister PROGMEM = { MSG_NORMAL, 5, {0x00, 0x01, 0x11, 0x54, 0x63}, "Toggle HU On/Off" };
-AvcOutMessage CmdEnableAux  PROGMEM = { MSG_NORMAL, 5, {0x00, 0x01, 0x11, 0x50, 0x61}, "Enable AUX" };
-AvcOutMessage CmdDisableAux PROGMEM = { MSG_NORMAL, 5, {0x00, 0x01, 0x11, 0x51, 0x61}, "Disable AUX" };
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  AvcRegisterMe
-
-  Description  :  Sends registration message to master controller.
-
-  Argument(s)  :  None.
-
-  Return value :  (bool) -> TRUE if successful else FALSE.
-
---------------------------------------------------------------------------------------------------*/
-bool AvcRegisterMe ( void )
-{
-    Broadcast     = MSG_NORMAL;
-    MasterAddress = MY_ADDRESS;
-    SlaveAddress  = HU_ADDRESS;
-    Control       = CONTROL_FLAGS;
-
-    AvcProcessActionID( ACT_REGISTER );
-
-    return TRUE;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  AvcReadMessage
-
-  Description  :  Read incoming messages on the AVC LAN bus.
-
-  Argument(s)  :  None.
-
-  Return value :  (AvcActionID) -> Action ID associated with this message.
-
---------------------------------------------------------------------------------------------------*/
-AvcActionID AvcReadMessage ( void )
-{
-    ReadBits( 1 ); // Start bit.
-
-    LedOn();
-
-    Broadcast = ReadBits( 1 );
-
-    MasterAddress = ReadBits( 12 );
-    bool p = ParityBit;
-    if ( p != ReadBits( 1 ) )
-    {
-        UsartPutCStr( PSTR("AvcReadMessage: Parity error @ MasterAddress!\r\n") );
-        return (AvcActionID)FALSE;
-    }
-
-    SlaveAddress = ReadBits( 12 );
-    p = ParityBit;
-    if ( p != ReadBits( 1 ) )
-    {
-        UsartPutCStr( PSTR("AvcReadMessage: Parity error @ SlaveAddress!\r\n") );
-        return (AvcActionID)FALSE;
-    }
-
-    bool forMe = ( SlaveAddress == MY_ADDRESS );
-
-    // In point-to-point communication, sender issues an ack bit with value '1' (20us). Receiver
-    // upon acking will extend the bit until it looks like a '0' (32us) on the bus. In broadcast
-    // mode, receiver disregards the bit.
-
-    if ( forMe )
-    {
-        // Send ACK.
-        Send1BitWord( 0 );
-    }
-    else
-    {
-        ReadBits( 1 );
-    }
-
-    Control = ReadBits( 4 );
-    p = ParityBit;
-    if ( p != ReadBits( 1 ) )
-    {
-        UsartPutCStr( PSTR("AvcReadMessage: Parity error @ Control!\r\n") );
-        return (AvcActionID)FALSE;
-    }
-
-    if ( forMe )
-    {
-        // Send ACK.
-        Send1BitWord( 0 );
-    }
-    else
-    {
-        ReadBits( 1 );
-    }
-
-    DataSize = ReadBits( 8 );
-    p = ParityBit;
-    if ( p != ReadBits( 1 ) )
-    {
-        UsartPutCStr( PSTR("AvcReadMessage: Parity error @ DataSize!\r\n") );
-        return (AvcActionID)FALSE;
-    }
-
-    if ( forMe )
-    {
-        // Send ACK.
-        Send1BitWord( 0 );
-    }
-    else
-    {
-        ReadBits( 1 );
-    }
-
-    byte i;
-
-    for ( i = 0; i < DataSize; i++ )
-    {
-        Data[i] = ReadBits( 8 );
-        p = ParityBit;
-        if ( p != ReadBits( 1 ) )
-        {
-            sprintf( UsartMsgBuffer, "AvcReadMessage: Parity error @ Data[%d]\r\n", i );
-            UsartPutStr( UsartMsgBuffer );
-            return (AvcActionID)FALSE;
-        }
-
-        if ( forMe )
-        {
-            // Send ACK.
-            Send1BitWord( 0 );
-        }
-        else
-        {
-            ReadBits( 1 );
-        }
-    }
-
-    // Dump message on terminal.
-    if ( forMe ) UsartPutCStr( PSTR("AvcReadMessage: This message is for me!\r\n") );
-
-    AvcActionID actionID = GetActionID();
-
-    // switch ( actionID ) {
-    //   case /* value */:
-    // }
-    DumpRawMessage( FALSE );
-
-    LedOff();
-
-    return actionID;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  AvcProcessActionID
-
-  Description  :  Perform processing for given action ID.
-
-  Argument(s)  :  actionID (AvcActionID) -> Action ID to process.
-
-  Return value :  (bool) -> TRUE if action performed.
-
---------------------------------------------------------------------------------------------------*/
-bool AvcProcessActionID ( AvcActionID actionID )
-{
-    // This function relies on the last received message still being loaded in global registers.
-
-    switch ( actionID )
-    {
-    case ACT_AUX_IN_USE:
-
-        AUX_Enabled = TRUE;
-        return FALSE;
-
-    case ACT_TUNER_IN_USE:
-    case ACT_TAPE_IN_USE:
-//    case ACT_AUDIO_STATUS: This is where we should print interpretted data (Volume, Balance, etc.)
-//    case ACT_TUNER_INFO:  Same here
-    case ACT_CD_IN_USE:
-
-        DeviceEnabled = actionID;
-        AUX_Enabled = FALSE;
-        return FALSE;
-
-//    case ACT_NO_CD:
-
-    case ACT_EJECT_CD:
-
-        // Normal CD eject command.
-        if ( DeviceEnabled == ACT_CD_IN_USE ) return FALSE;
-
-        if ( AUX_Enabled )
-        {
-            LoadDataInGlogalRegisters ( &CmdDisableAux );
-            AUX_Enabled = FALSE;
-        }
-        else
-        {
-            LoadDataInGlogalRegisters ( &CmdEnableAux );
-            AUX_Enabled = TRUE;
-        }
-
-        return SendMessage();
-        break;
-
-    default:
-
-        // No success!
-        UsartPutCStr( PSTR("AvcProcessActionID: Unknown action ID!\r\n") );
-        //POssibly dumpmsgbuffer here for sebuggimng
-        return FALSE;
-    }
-
-    // Nothing to do!
-    return FALSE;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  LoadDataInGlogalRegisters
-
-  Description  :  Loads message data in global registers for given mesage ID.
-
-  Argument(s)  :  msg (AvcOutMessage *) -> Message to load.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void LoadDataInGlogalRegisters ( AvcOutMessage * msg )
-{
-    Description = msg->Description;
-
-    Broadcast = pgm_read_byte_near( &msg->Mode );
-
-    MasterAddress = MY_ADDRESS;
-
-    if ( Broadcast == MSG_BCAST )
-        SlaveAddress = BROADCAST_ADDRESS;
-    else
-        SlaveAddress = HU_ADDRESS;
-
-    DataSize = pgm_read_byte_near( &msg->DataSize );
-
-    for ( byte i = 0; i < DataSize; i++ )
-    {
-        Data[i] = pgm_read_byte_near( &msg->Data[i] );
-    }
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  GetActionID
-
-  Description  :  Use the last received message to determine the corresponding action ID.
-
-  Argument(s)  :  None.
-
-  Return value :  (AvcActionID) -> Action ID corresponding to current message.
-
---------------------------------------------------------------------------------------------------*/
-AvcActionID GetActionID ( void )
-{
-    Description = PSTR("Unknown message!");
-
-    // Iterate through all HU messages in table.
-    for ( byte msg = 0; msg < MessageTableSize; msg++ )
-    {
-        bool found = TRUE;
-
-        // Identify current message from it's payload data.
-        for ( byte i = 0; i < pgm_read_byte_near( &MessageTable[msg].DataSize ); i++ )
-        {
-            if ( Data[i] != pgm_read_byte_near( &MessageTable[msg].Data[i] ) )
-            {
-                found = FALSE;
-                break;
-            }
-        }
-
-        if ( found )
-        {
-            Description = MessageTable[msg].Description;
-
-            // Fetch action corresponding to the message.
-            AvcActionID actionID = pgm_read_byte_near( &MessageTable[msg].ActionID );
-
-            return actionID;
-        }
-    }
-
-    return ACT_NONE;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  Send12BitWord
-
-  Description  :  Writes a 12 bit word on the AVC LAN bus.
-
-  Argument(s)  :  data (word) -> Data to write.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void Send12BitWord ( word data )
-{
-    ParityBit = 0;
-
-    // Most significant bit out first.
-    for ( char nbBits = 0; nbBits < 12; nbBits++ )
-    {
-        // Reset timer to measure bit length.
-        TCNT0 = 0;
-
-        // Drive output to signal high.
-        DDRD |= _BV(PD2) | _BV(PD3);
-
-        if ( data & 0x0800 )
-        {
-            // Adjust parity.
-            ParityBit = ! ParityBit;
-
-            while ( TCNT0 < BIT_1_HOLD_ON_LENGTH );
-        }
-        else
-        {
-            while ( TCNT0 < BIT_0_HOLD_ON_LENGTH );
-        }
-
-        // Release output.
-        DDRD &= ~( _BV(PD2) | _BV(PD3) );
-
-        // Hold output low until end of bit.
-        while ( TCNT0 < NORMAL_BIT_LENGTH );
-
-        // Fetch next bit.
-        data <<= 1;
-    }
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  Send8BitWord
-
-  Description  :  Writes an 8 bit word on the AVC LAN bus.
-
-  Argument(s)  :  data (byte) -> Data to write.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void Send8BitWord ( byte data )
-{
-    ParityBit = 0;
-
-    // Most significant bit out first.
-    for ( char nbBits = 0; nbBits < 8; nbBits++ )
-    {
-        // Reset timer to measure bit length.
-        TCNT0 = 0;
-
-        // Drive output to signal high.
-        DDRD |= _BV(PD2) | _BV(PD3);
-
-        if ( data & 0x80 )
-        {
-            // Adjust parity.
-            ParityBit = ! ParityBit;
-
-            while ( TCNT0 < BIT_1_HOLD_ON_LENGTH );
-        }
-        else
-        {
-            while ( TCNT0 < BIT_0_HOLD_ON_LENGTH );
-        }
-
-        // Release output.
-        DDRD &= ~( _BV(PD2) | _BV(PD3) );
-
-        // Hold output low until end of bit.
-        while ( TCNT0 < NORMAL_BIT_LENGTH );
-
-        // Fetch next bit.
-        data <<= 1;
-    }
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  Send4BitWord
-
-  Description  :  Writes a 4 bit word on the AVC LAN bus.
-
-  Argument(s)  :  data (byte) -> Data to write.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void Send4BitWord ( byte data )
-{
-    ParityBit = 0;
-
-    // Most significant bit out first.
-    for ( char nbBits = 0; nbBits < 4; nbBits++ )
-    {
-        // Reset timer to measure bit length.
-        TCNT0 = 0;
-
-        // Drive output to signal high.
-        DDRD |= _BV(PD2) | _BV(PD3);
-
-        if ( data & 0x8 )
-        {
-            // Adjust parity.
-            ParityBit = ! ParityBit;
-
-            while ( TCNT0 < BIT_1_HOLD_ON_LENGTH );
-        }
-        else
-        {
-            while ( TCNT0 < BIT_0_HOLD_ON_LENGTH );
-        }
-
-        // Release output.
-        DDRD &= ~( _BV(PD2) | _BV(PD3) );
-
-        // Hold output low until end of bit.
-        while ( TCNT0 < NORMAL_BIT_LENGTH );
-
-        // Fetch next bit.
-        data <<= 1;
-    }
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  Send1BitWord
-
-  Description  :  Writes a 1 bit word on the AVC LAN bus.
-
-  Argument(s)  :  data (bool) -> Data to write.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void Send1BitWord ( bool data )
-{
-    // Reset timer to measure bit length.
-    TCNT0 = 0;
-
-    // Drive output to signal high.
-    DDRD |= _BV(PD2) | _BV(PD3);
-
-    if ( data )
-    {
-        while ( TCNT0 < BIT_1_HOLD_ON_LENGTH );
-    }
-    else
-    {
-        while ( TCNT0 < BIT_0_HOLD_ON_LENGTH );
-    }
-
-    // Release output.
-    DDRD &= ~( _BV(PD2) | _BV(PD3) );
-
-    // Pulse level low duration until 40 us.
-    while ( TCNT0 <  NORMAL_BIT_LENGTH );
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  SendStartBit
-
-  Description  :  Writes a start bit on the AVC LAN bus.
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void SendStartBit ( void )
-{
-    // Reset timer to measure bit length.
-    TCNT0 = 0;
-
-    // Drive output to signal high.
-    DDRD |= _BV(PD2) | _BV(PD3);
-
-    // Pulse level high duration.
-    while ( TCNT0 < START_BIT_HOLD_ON_LENGTH );
-
-    // Release output.
-    DDRD &= ~( _BV(PD2) | _BV(PD3) );
-
-    // Pulse level low duration until ~185 us.
-    while ( TCNT0 < START_BIT_LENGTH );
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  ReadBits
-
-  Description  :  Reads specified number of bits from the AVC LAN bus.
-
-  Argument(s)  :  nbBits (byte) -> Number of bits to read.
-
-  Return value :  (word) -> Data value read.
-
-                       |<---- Bit '0' ---->|<---- Bit '1' ---->|
-     Physical '1'      ,---------------,   ,---------,         ,---------
-                       ^               |   ^         |         ^
-     Physical '0' -----'               '---'         '---------'--------- Idle low
-                       |---- 32 us ----| 7 |- 20 us -|- 19 us -|
-
---------------------------------------------------------------------------------------------------*/
-word ReadBits ( byte nbBits )
-{
-    word data = 0;
-
-    ParityBit = 0;
-
-    while ( nbBits-- > 0 )
-    {
-        // Insert new bit
-        data <<= 1;
-
-        // Wait until rising edge of new bit.
-        while ( INPUT_IS_CLEAR )
-        {
-            // Reset watchdog.
-            wdt_reset();
-        }
-
-        // Reset timer to measure bit length.
-        TCNT0 = 0;
-
-        // Wait until falling edge.
-        while ( INPUT_IS_SET );
-
-        // Compare half way between a '1' (20 us) and a '0' (32 us ): 32 - (32 - 20) /2 = 26 us
-        if ( TCNT0 < BIT_0_HOLD_ON_LENGTH - (BIT_0_HOLD_ON_LENGTH - BIT_1_HOLD_ON_LENGTH) / 2 )
-        {
-            // Set new bit.
-            data |= 0x0001;
-
-            // Adjust parity.
-            ParityBit = ! ParityBit;
-        }
-    }
-
-    return data;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  SendMessage
-
-  Description  :  Sends the message in global registers on the AVC LAN bus.
-
-  Argument(s)  :  None.
-
-  Return value :  (bool) -> TRUE if successful else FALSE.
-
---------------------------------------------------------------------------------------------------*/
-bool SendMessage ( void )
-{
-    while ( ! IsAvcBusFree() );
-
-    // At this point we know the bus is available.
-
-    LedOn();
-
-    // Send start bit.
-    SendStartBit();
-
-    // Broadcast bit.
-    Send1BitWord( Broadcast );
-
-    // Master address = me.
-    Send12BitWord( MasterAddress );
-    Send1BitWord( ParityBit );
-
-    // Slave address = head unit (HU).
-    Send12BitWord( SlaveAddress );
-    Send1BitWord( ParityBit );
-
-    if ( ! HandleAcknowledge() )
-    {
-        DumpRawMessage( TRUE );
-        UsartPutStr( (char*)"SendMessage: No Ack @ Slave address\r\n" );
-        return FALSE;
-    }
-
-    // Control flag + parity.
-    Send4BitWord( Control );
-    Send1BitWord( ParityBit );
-
-    if ( ! HandleAcknowledge() )
-    {
-        DumpRawMessage( TRUE );
-        UsartPutStr( (char*)"SendMessage: No Ack @ Control\r\n" );
-        return FALSE;
-    }
-
-    // Data length + parity.
-    Send8BitWord( DataSize );
-    Send1BitWord( ParityBit );
-
-    if ( ! HandleAcknowledge() )
-    {
-        DumpRawMessage( TRUE );
-        UsartPutStr( (char*)"SendMessage: No Ack @ DataSize\r\n" );
-        return FALSE;
-    }
-
-    for ( byte i = 0; i < DataSize; i++ )
-    {
-        Send8BitWord( Data[i] );
-        Send1BitWord( ParityBit );
-
-        if ( ! HandleAcknowledge() )
-        {
-            DumpRawMessage( TRUE );
-            sprintf( UsartMsgBuffer, "SendMessage: No Ack @ Data[%d]\r\n", i );
-            UsartPutStr( UsartMsgBuffer );
-            return FALSE;
-        }
-    }
-
-    DumpRawMessage( TRUE );
-
-    LedOff();
-
-    return TRUE;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  ReadAcknowledge
-
-  Description  :  Reads the acknowledge bit the AVC LAN bus.
-
-  Argument(s)  :  None.
-
-  Return value :  (bool) -> TRUE if ack detected else FALSE.
-
---------------------------------------------------------------------------------------------------*/
-inline bool ReadAcknowledge ( void )
-{
-    // The acknowledge pattern is very tricky: the sender shall drive the bus for the equivalent
-    // of a bit '1' (20 us) then release the bus and listen. At this point the target shall have
-    // taken over the bus maintaining the pulse until the equivalent of a bit '0' (32 us) is formed.
-
-    // Reset timer to measure bit length.
-    TCNT0 = 0;
-
-    // Drive output to signal high.
-    DDRD |= _BV(PD2) | _BV(PD3);
-
-    // Generate bit '0'.
-    while ( TCNT0 < BIT_1_HOLD_ON_LENGTH );
-
-    // Release output.
-    DDRD &= ~( _BV(PD2) | _BV(PD3) );
-
-    // Measure final resulting bit.
-    while ( INPUT_IS_SET );
-
-    // Sample half-way through bit '0' (26 us) to detect whether the target is acknowledging.
-    if ( TCNT0 > BIT_0_HOLD_ON_LENGTH - (BIT_0_HOLD_ON_LENGTH - BIT_1_HOLD_ON_LENGTH) / 2 )
-    {
-        // Slave is acknowledging (ack = 0). Wait until end of ack bit.
-        while ( INPUT_IS_SET );
-        return TRUE;
-    }
-
-    // No sign of life on the bus.
-    return FALSE;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  HandleAcknowledge
-
-  Description  :  Sends ack bit if I am broadcasting otherwise wait and return received ack bit.
-
-  Argument(s)  :  None.
-
-  Return value :  (bool) -> FALSE if ack bit not detected.
-
---------------------------------------------------------------------------------------------------*/
-bool HandleAcknowledge ( void )
-{
-    if ( Broadcast == MSG_BCAST )
-    {
-        // Acknowledge.
-        Send1BitWord( 0 );
-        return TRUE;
-    }
-
-    // Return acknowledge bit.
-    return ReadAcknowledge();
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  IsAvcBusFree
-
-  Description  :  Determine whether the bus is free (no tx/rx).
-
-  Argument(s)  :  None.
-
-  Return value :  (bool) -> TRUE is bus is free.
-
---------------------------------------------------------------------------------------------------*/
-bool IsAvcBusFree ( void )
-{
-    // Reset timer.
-    TCNT0 = 0;
-
-    while ( INPUT_IS_CLEAR )
-    {
-        // We assume the bus is free if anything happens for the length of 1 bit.
-        if ( TCNT0 > NORMAL_BIT_LENGTH )
-        {
-            return TRUE;
-        }
-    }
-
-    return FALSE;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  DumpRawMessage
-
-  Description  :  Dumps raw content of message registers on the terminal.
-
-  Argument(s)  :  incoming (bool) -> TRUE means incoming data, FALSE means outgoing.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void DumpRawMessage ( bool incoming )
-{
-    // Dump message on terminal.
-
-    if ( incoming )
-        UsartPutCStr( PSTR("\r\nAUX Enabler <<--- HU\r\n") );
-    else
-        UsartPutCStr( PSTR("\r\nAUX Enabler --->> HU\r\n") );
-
-    UsartPutCStr( PSTR("   Description:    ") );
-    UsartPutCStr( Description );
-    UsartPutCStr( PSTR("\r\n") );
-
-    sprintf( UsartMsgBuffer, "   Broadcast:      %d \r\n", Broadcast );
-    UsartPutStr( UsartMsgBuffer );
-
-    sprintf( UsartMsgBuffer, "   Master address: 0x%X \r\n", MasterAddress );
-    UsartPutStr( UsartMsgBuffer );
-
-    sprintf( UsartMsgBuffer, "   Slave address:  0x%X \r\n", SlaveAddress );
-    UsartPutStr( UsartMsgBuffer );
-
-    sprintf( UsartMsgBuffer, "   Control:        0x%X \r\n", Control );
-    UsartPutStr( UsartMsgBuffer );
-
-    sprintf( UsartMsgBuffer, "   Data size:      %d \r\n", DataSize );
-    UsartPutStr( UsartMsgBuffer );
-
-    sprintf( UsartMsgBuffer, "   Data:           " );
-    UsartPutStr( UsartMsgBuffer );
-
-    for ( byte i = 0; i < DataSize; i++ )
-    {
-        sprintf( UsartMsgBuffer, "%X ", Data[i] );
-        UsartPutStr( UsartMsgBuffer );
-    }
-
-    UsartPutStr( (char*)"\r\n-----\r\n" );
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  LedOn
-
-  Description  :  Turn LED on (active low signal).
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-inline void LedOn ( void )
-{
-    LED_PORT &= ~LEDOUT;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  LedOff
-
-  Description  :  Turn LED off (active low signal).
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-inline void LedOff ( void )
-{
-    LED_PORT |= LEDOUT;
-}
-
-
-
-/*--------------------------------------------------------------------------------------------------
-                                         End of file.
---------------------------------------------------------------------------------------------------*/

AVCLanDriver.h

@@ -1,109 +0,0 @@
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  AvcLanDriver.h
-
-  Description  :  AVC Lan driver for Toyota devices
-
---------------------------------------------------------------------------------------------------*/
-#ifndef _AVCLANDRV_H_
-#define _AVCLANDRV_H_
-
-#include "GlobalDef.h"
-
-#define HU_ADDRESS                  0x190       // But possibly 0x160, known to be both
-
-#define MY_ADDRESS                  0x360       // CD Changer #1
-
-#define BROADCAST_ADDRESS           0x01FF      // All audio devices
-
-#define CONTROL_FLAGS               0xF
-
-/*--------------------------------------------------------------------------------------------------
-
-                       |<---- Bit '0' ---->|<---- Bit '1' ---->|
-     Physical '1'      ,---------------,   ,---------,         ,---------
-                       ^               |   ^         |         ^
-     Physical '0' -----'               '---'         '---------'--------- Idle low
-                       |---- 33 us ----| 7 |- 20 us -|- 20 us -|
-
-     A bit '0' is typically 33 us high followed by 7 us low.
-     A bit '1' is typically 20 us high followed by 20 us low.
-     A start bit is typically 165 us high followed by 30 us low.
-
---------------------------------------------------------------------------------------------------*/
-
-// Following multipliers result of Timer 0 prescaler having 2 counts/us
-#define NORMAL_BIT_LENGTH           74 //37*2
-
-#define BIT_1_HOLD_ON_LENGTH        40 //20*2
-#define BIT_0_HOLD_ON_LENGTH        64 //33*2
-
-#define START_BIT_LENGTH            372 //186*2
-#define START_BIT_HOLD_ON_LENGTH    336 //168*2
-
-typedef enum
-{   // No this is not a mistake, broadcast = 0!
-    MSG_NORMAL      = 1,
-    MSG_BCAST       = 0
-
-} AvcTransmissionMode;
-
-typedef enum
-{
-    ACT_NONE,
-
-    ACT_AUX_IN_USE,
-    ACT_TUNER_IN_USE,
-    ACT_TAPE_IN_USE,
-    ACT_CD_IN_USE,
-
-    ACT_EJECT_CD,
-    ACT_NO_CD,
-    ACT_TUNER_INFO,
-    ACT_AUDIO_STATUS,
-//    ACT_CD_INFO,
-
-    ACT_STATUS,
-    ACT_REGISTER,
-    ACT_INIT,
-    ACT_CHECK
-
-} AvcActionID;
-
-typedef struct
-{
-    AvcActionID         ActionID;           // Action to perform after receiving this message.
-    byte                DataSize;           // Payload data size (bytes).
-    byte                Data[ 11 ];         // Payload data.
-    char                Description[ 17 ];  // ASCII description of the command for terminal dump.
-
-} AvcIncomingMessageStruct;
-
-typedef const AvcIncomingMessageStruct AvcInMessage;
-
-typedef struct
-{
-    AvcTransmissionMode Mode;               // Transmission mode: normal (1) or broadcast (0).
-    byte                DataSize;           // Payload data size (bytes).
-    byte                Data[ 11 ];         // Payload data.
-    char                Description[ 17 ];  // ASCII description of the command for terminal dump.
-
-} AvcOutgoingMessageStruct;
-
-typedef const AvcOutgoingMessageStruct AvcOutMessage;
-
-/*--------------------------------------------------------------------------------------------------
-                                         Prototypes
---------------------------------------------------------------------------------------------------*/
-AvcActionID     AvcReadMessage ( void );
-
-bool            AvcProcessActionID ( AvcActionID actionID );
-void            AvcUpdateStatus ( void );
-
-void            DumpRawMessage ( bool incoming );
-
-#endif // _AVCLANDRV_H_
-
-/*--------------------------------------------------------------------------------------------------
-                                         End of file.
---------------------------------------------------------------------------------------------------*/

CMakeLists.txt

@@ -0,0 +1,128 @@
+cmake_minimum_required(VERSION 3.24)
+include(CMakeDependentOption)
+
+set(WITH_MCU OFF) # Disable target name modification setting from toolchain
+set(AVR_MCU "attiny3216")
+set(AVR_UPLOADTOOL_PORT /dev/ttyUSB1)
+set(AVR_PROGRAMMER serialupdi)
+set(AVR_UPLOADTOOL_BAUDRATE 230400)
+
+set(CMAKE_TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/avr-gcc-toolchain.cmake")
+
+project(avclan-mockingboard VERSION 1 LANGUAGES C CXX ASM)
+
+set(FREQSEL 16MHz CACHE STRING "Select the operating frequency")
+set_property(CACHE FREQSEL PROPERTY STRINGS "20MHz" "16MHz")
+
+if(FREQSEL MATCHES "20MHz")
+set(FREQSEL 20000000L)
+set(AVR_UPLOADTOOL_BASE_OPTIONS ${AVR_UPLOADTOOL_BASE_OPTIONS} -U osccfg:w:0x2:m)
+else()
+set(FREQSEL 16000000L)
+set(AVR_UPLOADTOOL_BASE_OPTIONS ${AVR_UPLOADTOOL_BASE_OPTIONS} -U osccfg:w:0x1:m)
+endif()
+
+option(CLK_PRESCALE "Enable the main clock prescaler")
+cmake_dependent_option(CLK_PRESCALE_DIV "Prescaler divisor" CLKCTRL_PDIV_2X_gc STRING "CLK_PRESCALE")
+if(DEFINED CACHE{CLK_PRESCALE_DIV})
+    set_property(CACHE CLK_PRESCALE_DIV PROPERTY STRINGS
+        CLKCTRL_PDIV_2X_gc
+        CLKCTRL_PDIV_4X_gc
+        CLKCTRL_PDIV_8X_gc
+        CLKCTRL_PDIV_16X_gc
+        CLKCTRL_PDIV_32X_gc
+        CLKCTRL_PDIV_64X_gc
+        CLKCTRL_PDIV_6X_gc
+        CLKCTRL_PDIV_10X_gc
+        CLKCTRL_PDIV_12X_gc
+        CLKCTRL_PDIV_24X_gc
+        CLKCTRL_PDIV_48X_gc
+    )
+else()
+set(CLK_PRESCALE_DIV CLKCTRL_PDIV_2X_gc)
+endif()
+
+set(TCB_CLKSEL "TCB_CLKSEL_CLKDIV2_gc" CACHE STRING "Choose the clock for TCB")
+set_property(CACHE TCB_CLKSEL PROPERTY STRINGS
+    TCB_CLKSEL_CLKDIV1_gc
+    TCB_CLKSEL_CLKDIV2_gc
+    TCB_CLKSEL_CLKTCA_gc
+)
+
+set(USART_RXMODE "USART_RXMODE_CLK2X_gc" CACHE STRING "USART at normal or double speed operation")
+set_property(CACHE USART_RXMODE PROPERTY STRINGS
+    USART_RXMODE_CLK2X_gc
+    USART_RXMODE_NORMAL_gc
+)
+
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "8.3")
+    message(FATAL_ERROR "Insufficient AVR-GCC version; Support for ATtiny3216 was added in GCC v8")
+  endif()
+endif()
+
+# Handle libc versioning
+try_compile(LIBC_VERSION_TEST
+    SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/cmake/libc-version-test.cpp"
+    COMPILE_DEFINITIONS -mmcu=${AVR_MCU}
+)
+
+if(NOT LIBC_VERSION_TEST)
+    include(FetchContent)
+    FetchContent_Declare(
+        attiny_atpack
+        URL http://packs.download.atmel.com/Atmel.ATtiny_DFP.2.0.368.atpack
+        URL_HASH SHA512=ee16a8ebecb57bd998a9cd4373368e3d45982cbbc3825e18d1dcac58215db6b9d907ad1ba2020cba9187fed7ba8c6f255a4fa1214e40c7a17ab2d18474f4d079
+        DOWNLOAD_NAME Atmel.ATtiny_DFP.2.0.368.atpack.zip
+    )
+    FetchContent_MakeAvailable(attiny_atpack)
+    try_compile(LIBC_VERSION_TEST
+        SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/cmake/libc-version-test.cpp"
+        COMPILE_DEFINITIONS
+            -B "${attiny_atpack_SOURCE_DIR}/gcc/dev/${AVR_MCU}"
+            -isystem "${attiny_atpack_SOURCE_DIR}/include"
+            -mmcu=${AVR_MCU}
+    )
+    if(NOT LIBC_VERSION_TEST)
+        message(FATAL_ERROR "Insufficient AVR-LIBC/Microchip pack for chosen MCU '${AVR_MCU}'")
+    else()
+        include_directories(SYSTEM "${attiny_atpack_SOURCE_DIR}/include")
+        add_compile_options(
+            -B "${attiny_atpack_SOURCE_DIR}/gcc/dev/${AVR_MCU}"
+        )
+    endif()
+endif()
+
+
+set(CMAKE_C_STANDARD 17)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set(CMAKE_C_FLAGS_RELEASE "-Os")
+set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -save-temps -g -gdwarf-3 -gstrict-dwarf")
+set(CMAKE_C_FLAGS_DEBUG "-O0 -save-temps -g -gdwarf-3 -gstrict-dwarf")
+
+# Set startup time to 8 ms (0x4)
+set(AVR_UPLOADTOOL_BASE_OPTIONS ${AVR_UPLOADTOOL_BASE_OPTIONS} -U syscfg1:w:0x4:m)
+
+add_avr_executable(mockingboard
+    src/sniffer.c
+    src/com232.c
+    src/avclandrv.c)
+
+target_link_options(mockingboard PUBLIC
+    -B "${attiny_atpack_SOURCE_DIR}/gcc/dev/${AVR_MCU}"
+)
+target_compile_definitions(mockingboard PRIVATE
+    FREQSEL=${FREQSEL}
+    CLK_PRESCALE=$<IF:$<BOOL:${CLK_PRESCALE}>,0x01,0x00>
+    CLK_PRESCALE_DIV=${CLK_PRESCALE_DIV}
+    __CLK_PRESCALE_DIV=__${CLK_PRESCALE_DIV}
+    TCB_CLKSEL=${TCB_CLKSEL}
+    USART_RXMODE=${USART_RXMODE}
+)
+target_compile_options(mockingboard PRIVATE
+    --param=min-pagesize=0
+    -ffunction-sections
+    -fdata-sections
+    -fshort-enums
+)

CMakePresets.json

@@ -0,0 +1,31 @@
+{
+    "version": 2,
+    "configurePresets": [
+        {
+            "name": "default",
+            "displayName": "Debug",
+            "description": "Configure with Debug build settings",
+            "generator": "Unix Makefiles",
+            "binaryDir": "${sourceDir}/build",
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Debug",
+                "FREQSEL": "20MHz",
+                "TCB_CLKSEL": "TCB_CLKSEL_CLKDIV1_gc"
+            }
+        },
+        {
+            "name": "relwithdebinfo",
+            "displayName": "RelWithDebInfo",
+            "description": "Configure with RelWithDebInfo build settings",
+            "generator": "Unix Makefiles",
+            "binaryDir": "${sourceDir}/build",
+            "inherits": "default",
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "RelWithDebInfo",
+                "FREQSEL": "20MHz",
+                "TCB_CLKSEL": "TCB_CLKSEL_CLKDIV1_gc",
+                "USART_RXMODE": "USART_RXMODE_CLK2X_gc"
+            }
+        }
+    ]
+}

GlobalDef.h

@@ -1,50 +0,0 @@
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  GlobalDef.h
-
-  Description  :  Global definitions.
-
-  History      :  2004/04/06 - Created by Louis Frigon.
-
---------------------------------------------------------------------------------------------------*/
-#ifndef _GLOBALDEF_H_
-#define _GLOBALDEF_H_
-
-#include <avr/io.h>
-
-/*--------------------------------------------------------------------------------------------------
-                                          Constants
---------------------------------------------------------------------------------------------------*/
-#define FALSE                   0
-#define TRUE                    (!FALSE)
-
-// AVC LAN bus directly connected to internal analog comparator (PD6/7)
-// PD6 AIN0 +
-// PD7 AIN1 -
-#define DATAIN_PIN              ACSR
-#define DATAIN                  ACO
-
-#define INPUT_IS_SET            ( bit_is_set( DATAIN_PIN, DATAIN ) )
-#define INPUT_IS_CLEAR          ( bit_is_clear( DATAIN_PIN, DATAIN ) )
-
-#define LED_DDR                 DDRB
-#define LED_PORT                PORTB
-#define LEDOUT                  _BV(PORT5)
-
-/*--------------------------------------------------------------------------------------------------
-                                       Type definitions
---------------------------------------------------------------------------------------------------*/
-typedef unsigned char           byte;
-typedef unsigned int            word;
-
-/*--------------------------------------------------------------------------------------------------
-                                         Prototypes
---------------------------------------------------------------------------------------------------*/
-inline void LedOff( void );
-inline void LedOn( void );
-
-#endif   //  _GLOBALDEF_H_
-
-/*--------------------------------------------------------------------------------------------------
-                                         End of file.
---------------------------------------------------------------------------------------------------*/

LICENSE

@@ -1,22 +1,674 @@
-The MIT License (MIT)
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
 
-Copyright (c) 2015 halleysfifthinc
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+                            Preamble
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
 
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
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+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
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+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
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+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
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+
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+
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+
+  "This License" refers to version 3 of the GNU General Public License.
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Makefile

@@ -1,28 +0,0 @@
-CC=avr-g++
-CFLAGS=-c -g -Os -Wall -fno-exceptions -fpermissive -ffunction-sections -fdata-sections -fno-threadsafe-statics -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10605 -DARDUINO_AVR_DUEMILANOVE -DARDUINO_ARCH_AVR
-LFLAGS=-g -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10605 -DARDUINO_AVR_DUEMILANOVE -DARDUINO_ARCH_AVR
-
-all: ToyotaAuxEnabler.hex
-
-ToyotaAuxEnabler.hex: ToyotaAuxEnabler.elf
-	avr-objcopy -j .text -j .data -O ihex ToyotaAuxEnabler.elf ToyotaAuxEnabler.hex
-
-ToyotaAuxEnabler.elf: ToyotaAuxEnabler.o USART.o AVCLanDriver.o
-	$(CC) $(LFLAGS) -o ToyotaAuxEnabler.elf ToyotaAuxEnabler.o USART.o AVCLanDriver.o
-
-ToyotaAuxEnabler.o: ToyotaAuxEnabler.c GlobalDef.h USART.h AVCLanDriver.h
-	$(CC) $(CFLAGS) ToyotaAuxEnabler.c
-
-USART.o: USART.c USART.h GlobalDef.h
-	$(CC) $(CFLAGS) USART.c
-
-AVCLanDriver.o: AVCLanDriver.c GlobalDef.h USART.h AVCLanDriver.h
-	$(CC) $(CFLAGS) AVCLanDriver.c
-
-clean:
-	rm *.o *.hex *.elf
-
-upload: ToyotaAuxEnabler.hex
-	avrdude -C/home/allen/Programs/arduino-1.6.5/hardware/tools/avr/etc/avrdude.conf -v -patmega328p -carduino -P/dev/arduino -b57600 -D -Uflash:w:ToyotaAuxEnabler.hex:i
-
-.PHONY: upload

README.md

@@ -0,0 +1,115 @@
+# AVCLAN Mockingboard
+
+<img src="./hardware/pcbv1.png" width=500\>
+
+This board adds an auxiliary audio input to the stock head unit of compatible Toyota vehicles using a Microchip ATtiny3216 to emulate a CD changer. The Mockingboard communicates with the head unit on the AVC-LAN bus, Toyota's name for their messaging protocol over the NEC (now Renesas) IEBus.
+
+# Project status:
+
+The circuit board and firmware is functional and can send/recieve messages on the AVC-LAN bus. The AVC-LAN driver is incomplete and doesn't finish the initial "handshake"/advertisement, but manually sending the CD changer activation command ('p' on the serial "REPL") is effective in enabling the CD changer audio inputs (this state persists between car trips, although loss of power (dead/disconnected battery) will reset the head unit). The semi-working state of the project is functional enough for me to live with for now; although I plan on eventually coming back to this.
+
+## (Upcoming) Features
+
+- [ ] AVCLAN communication uses PWM peripherals for sending and receiving
+    - The sending PWM (TCD) is unique to the tinyAVR 1-series, and allows queuing 2 bits at a time for sending on the AVC-Lan bus. Technically this still qualifies as ["bit-banging"](https://en.wikipedia.org/wiki/Bit_banging), but should be more robust and exhibit lower timing jitter (than previous method of manually toggling pin outputs and busy-waiting for timer counters; and not that the timing jitter was a problem). 
+    - The receiving timer (TCB) precisely (again, probably more precisely than really needed) measures pulse-widths to distinguish bits.
+- [ ] Hardware designed with a headset (TRRS) jack allows triggering media play/pause/skip using the head-unit buttons
+
+## Roadmap
+
+- [ ] Refactor (simplify) existing AVC LAN framework
+- [ ] Switch AVC-LAN Tx to TCD PWM
+- [ ] Media play/pause/skip feature
+    - ~~Listen to head-unit for head unit on/off and skip~~
+        - Use "MUTE" logic signal from head-unit
+    - Test MIC_CONTROL short duration and double "click" separation
+- [ ] Switch UART library?
+    - https://github.com/jnk0le/AVR-UART-lib
+        - (Needs updating/extension for tinyAVR 1-series)
+- Speculative:
+    - Bodge ADC pin to mic to try plug-detection
+    - Bluetooth audio somehow?
+        - ESP32 and an I2S audio codec?
+
+# Helpful links/prior art:
+
+- IEBus/AVCLAN decoder and message dumps (inc. a CD changer) for Sigrok
+    - https://github.com/sigrokproject/sigrok-test/pull/22
+    - https://github.com/sigrokproject/sigrok-dumps/pull/43
+    - https://github.com/sigrokproject/libsigrokdecode/pull/106
+- https://web.archive.org/web/20230319000356/http://softservice.com.pl/corolla/avc/avclan.php
+- https://web.archive.org/web/20040617005106/http://www.interfacebus.com/Design_Connector_IEbus.html
+- https://web.archive.org/web/2/https://old.pinouts.ru/Car-Stereo-Toyota-Lexus/Toyota_1990-2002_CD_Chang_pinout.shtml
+- https://web.archive.org/web/20240519043021/https://pop.fsck.pl/hardware/toyota-corolla.html
+
+# Current Issues:
+
+- CD changer emulation isn't working
+    - Mockingboard isn't sending correct responses to finish the initial "handshake"/advertisement
+- Messages get missed when logging/printing via serial (even when printing raw binary messages)
+    - jnk0le UART lib doesn't support AVR 1-series
+        - TODO: Add support
+    - ~~Write binary parser on computer side which outputs messages in libpcap format to stdout~~
+- Register functions aren't working
+    - ~~Write packet dissector for Wireshark to reverse engineer more of the protocol~~
+
+# Hardware
+
+I ordered the boards partially assembled from JLCPCB (to keep costs down, I ordered and soldered some non-standard/stocked parts myself.)
+
+The non-populated/assembled BOM is:
+
+| Mouser #:           | Mfr. #:          | Desc.:                                                                                                       | Order Qty. | Unit Price (USD) |
+| ------------------- | ---------------- | ------------------------------------------------------------------------------------------------------------ | ---------- | ----------- |
+| 579-ATTINY3216-SNR  | ATTINY3216-SNR   | 8-bit Microcontrollers - MCU 8-bit Microcontrollers - MCU 20MHz, 32KB, SOIC20, Ind 105C, Green, T&R          | 1          | $1.27       |
+| 523-L717SDE09PA4CH4 | L717SDE09PA4CH4F | D-Sub Standard Connectors D-Sub Standard Connectors D SUB R/A                                                | 1          | $1.98       |
+| 490-SJ-43514        | SJ-43514         | Phone Connectors Phone Connectors audio jack, 3.5 mm, rt, 4 conductor, through hole, 0 switches              | 1          | $1.35       |
+| 667-ERZ-V20D220     | ERZ-V20D220      | Varistors Varistors 22V 2000A ZNR SUR ABSORBER 20MM                                                          | 1          | $1.24       |
+| 538-22-28-8093      | 22-28-8093       | Headers & Wire Housings Headers & Wire Housings 2.54MM BREAKAWAY RA 9 CKT Gold                               | 2          | $0.76       |
+| 865-XC6701D502JR-G  | XC6701D502JR-G   | LDO Voltage Regulators LDO Voltage Regulators 28V High Speed Voltage Regulator                               | 1          | $1.36       |
+| 563-EXN-23350-BK    | EXN-23350-BK     | Enclosures, Boxes, & Cases Enclosures, Boxes, & Cases Extruded Aluminum Enclosure Black (1.4 X 2.7 X 1.9 In) | 1          | $14.40      |
+
+An earlier version of the board* lacked cutouts in the corners to fit the ends of the intended housing, so I haven't used the listed enclosure (yet).
+
+*Only version of the board I have ordered so far.
+
+## Cable harness
+
+I ordered a [cable harness](https://www.amazon.com/dp/B01EUZ8CFU) from Amazon to acquire the head-unit side connector. I then cut the male end off a DB9 cable and connected the wires according to the following cable harness diagram:
+
+![cable diagram](./hardware/harness/harness.png)
+
+# Firmware
+
+### Building
+
+#### With VS Code:
+
+1. Install VS Code and Docker
+    - Required extensions: Dev Containers
+2. Open repo in VS code and wait for notification asking to re-open in dev container.
+    - Wait for container to build and extensions to install
+3. Select CMake build configuration
+4. Start developing!
+
+#### Natively/without VS Code Dev Containers
+1. Install avr-gcc >= v8.3, binutils >= v2.39, cmake >= v3.24
+2. Configure cmake in repo with `cmake -B build`
+    - Trigger builds with `cmake --build build`
+3. Start developing!
+
+### Flashing
+
+The CMake target `upload_mockingboard` uses the AVRDude utility using the "serialupdi" programmer type. I use a [USB => Serial converter](https://www.adafruit.com/product/5335) with the Rx and Tx lines connected, using one of the options described [by SpenceKonde here](https://github.com/SpenceKonde/AVR-Guidance/blob/master/UPDI/jtag2updi.md).
+
+# Protocol reverse-engineering
+
+The "scripts/packet-analysis" folder contains a [Wireshark](https://www.wireshark.org/) [Lua plugin](https://www.wireshark.org/docs/wsdg_html_chunked/wsluarm.html) that defines a dissector for IEBUS and AVC-LAN messages. Also contained in that folder is a [Julia](https://julialang.org/) script that pipes packets from the Mockingboard serial into Wireshark for live capturing and inspection.
+    
+# License
+
+The firmware for this project is licensed under the [GNU GPLv3](https://www.gnu.org/licenses/gpl-3.0.html),
+and the hardware is licensed under the [Solderpad Hardware License v2.1](http://solderpad.org/licenses/SHL-2.1/), a
+wraparound license to the [Apache License 2.0](https://apache.org/licenses/LICENSE-2.0.txt).
+
+

ToyotaAuxEnabler.c

@@ -1,144 +0,0 @@
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  ToyotaAuxEnabler.c
-
-  Description  :  This program enables the AUX audio input on old Toyota radios with CD. Pressing
-                  CD Eject button while no CD is loaded will toggle the AUX input.
-
-  MCU          :  ATmega328P @ 16 MHz.
-
-  Author       :  2007-01-27 - Louis Frigon
-
-  Copyright    :  (c) 2007 SigmaObjects
-
-  History      :  2007-01-27 - v0.1 Prototyping draft inspired from Marcin Slonicki's code.
-                  2007-02-24 - v1.0 Production release.
-
---------------------------------------------------------------------------------------------------*/
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <avr/wdt.h>
-#include <stdio.h>
-
-#include "GlobalDef.h"
-#include "USART.h"
-#include "AVCLanDriver.h"
-
-#define FIRMWARE_VERSION    "v1.0"
-#define FIRMWARE_DATE       __DATE__
-
-/*--------------------------------------------------------------------------------------------------
-                                         Prototypes
---------------------------------------------------------------------------------------------------*/
-void InitMCU ( void );
-
-/*--------------------------------------------------------------------------------------------------
-                                      Global Variables
---------------------------------------------------------------------------------------------------*/
-volatile bool   SecondsTick = FALSE;
-
-char            UsartMsgBuffer[ USART_BUFFER_SIZE ];
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  InitMCU
-
-  Description  :  Performs MCU initialization.
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void InitMCU ( void )
-{
-    // Init LED port pin
-    LED_DDR |= LEDOUT;
-    LedOff();
-
-    // OLD: TCCR0A = _BV(CS01);
-    // Correction: TCCR0B has the CS0n bits, not TCCR0A, prescaler should be at 8 or less to have 1 or more counts/us
-    // Timer 0 prescaler = 8 ( 2 count / us )
-    TCCR0B = _BV(CS01);
-
-    InitUSART();
-
-    // Preset AVC bus driver output pins but leave pins tri-stated until we need to use them.
-    PORTD |= _BV(PD3);   // PD3 (+) high.
-    PORTD &= ~_BV(PD2);  // PD2 (-) low.
-
-    //  Enable watchdog @ ~2 sec.
-    // Likely this too, after research probably not, but maybe
-    wdt_enable( WDTO_2S );
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  LedOn
-
-  Description  :  Turn LED on (active low signal).
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-inline void LedOn ( void )
-{
-    LED_PORT &= ~LEDOUT;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  LedOff
-
-  Description  :  Turn LED off (active low signal).
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-inline void LedOff ( void )
-{
-    LED_PORT |= LEDOUT;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  main
-
-  Description  :  Program's main function.
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-int main ( void )
-{
-    InitMCU();
-
-    UsartPutCStr( PSTR("\r\n\t\t     Toyota AVC-Lan AUX Enabler\r\n") );
-    UsartPutCStr( PSTR("\t\tCopyright (C) 2007, SigmaObjects Inc.\r\n") );
-
-    sprintf( UsartMsgBuffer, "\t\t     Firmware %s, %s\r\n\r\n", FIRMWARE_VERSION, FIRMWARE_DATE );
-    UsartPutStr( UsartMsgBuffer );
-
-    while ( 1 )
-    {
-        // Reset watchdog.
-        wdt_reset();
-
-        AvcActionID actionID = AvcReadMessage();
-
-        if ( actionID != ACT_NONE )
-        {
-            AvcProcessActionID( actionID );
-        }
-    }
-}
-
-/*--------------------------------------------------------------------------------------------------
-                                         End of file.
---------------------------------------------------------------------------------------------------*/

ToyotaAuxEnabler.hex

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USART.c

@@ -1,144 +0,0 @@
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  USART.c
-
-  Description  :  Utility functions for ATmega8 USART.
-
-  Author       :  2004-10-22 - Louis Frigon
-
-  History      :  2004-10-22 - First release (v0.1).
-
---------------------------------------------------------------------------------------------------*/
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <avr/pgmspace.h>
-#include <stdio.h>
-
-#include "USART.h"
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  InitUSART
-
-  Description  :  Performs USART initialization: 9600,N,8,1.
-
-  Argument(s)  :  None.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void InitUSART ( void )
-{
-    //  Disable USART while setting baud rate.
-    UCSR0B = 0x00;
-    UCSR0A = 0x00;
-
-    //  8 data bit, 1 stop, no parity.
-    UCSR0C = _BV(EEAR7) | _BV(UCSZ01) | _BV(UCSZ00);
-
-    //  Set USART baud rate @ 9600. Divider is 103 @ 16 MHz.
-    UBRR0L = 103;
-
-    //  Enable internal pull-up on Rx pin.
-    PORTD |= _BV(PD0);
-
-    //  Enable Tx & Rx.
-    UCSR0B = _BV(RXEN0) | _BV(TXEN0);
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  UsartIsChr
-
-  Description  :  Return status of USART Rx buffer.
-
-  Argument(s)  :  None.
-
-  Return value :  0 if Rx buffer empty.
-
---------------------------------------------------------------------------------------------------*/
-bool UsartIsChr ( void )
-{
-    return UCSR0A & _BV(RXC0);
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  UsartGetChr
-
-  Description  :  Return character USART Rx buffer. Blocking until Rx buffer not empty.
-
-  Argument(s)  :  None.
-
-  Return value :  Character in Rx buffer.
-
---------------------------------------------------------------------------------------------------*/
-char UsartGetChr ( void )
-{
-    while ( !UsartIsChr() );
-
-    return UDR0;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  UsartPutChr
-
-  Description  :  Send a character through the USART.
-
-  Argument(s)  :  c -> char to send.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void UsartPutChr ( char c )
-{
-    //  Wait for transmit register to be empty.
-    while ( !(UCSR0A & _BV(UDRE0)) );
-
-    UDR0 = c;
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  UsartPutStr
-
-  Description  :  Transmit a string on the serial port.
-
-  Argument(s)  :  str -> pointer to string to send.
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void UsartPutStr ( char *str )
-{
-    while ( *str )
-    {
-        UsartPutChr( *str++ );
-    }
-}
-
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  UsartPutCStr
-
-  Description  :  Transmit a string on the serial port.
-
-  Argument(s)  :  str -> pointer to constant string to send (strings in Flash).
-
-  Return value :  None.
-
---------------------------------------------------------------------------------------------------*/
-void UsartPutCStr ( const char *str )
-{
-    char c;
-
-    while ( (c = pgm_read_byte_near( str++ )) )
-    {
-        UsartPutChr( c );
-    }
-}
-
-/*--------------------------------------------------------------------------------------------------
-                                         End of file.
---------------------------------------------------------------------------------------------------*/

USART.h

@@ -1,37 +0,0 @@
-/*--------------------------------------------------------------------------------------------------
-
-  Name         :  USART.h
-
-  Description  :  Header file for USART functions.
-
-  History      :  2004-10-22 - Created by Louis Frigon.
-
---------------------------------------------------------------------------------------------------*/
-#ifndef _USART_H_
-#define _USART_H_
-
-#include <avr/pgmspace.h>
-
-#include "GlobalDef.h"
-
-#define USART_BUFFER_SIZE       80
-
-extern char          UsartMsgBuffer[ USART_BUFFER_SIZE ];
-
-/*--------------------------------------------------------------------------------------------------
-                                    Function prototypes
---------------------------------------------------------------------------------------------------*/
-//  Function prototypes are mandatory otherwise the compiler generates unreliable code.
-
-void InitUSART               ( void );
-bool UsartIsChr              ( void );
-char UsartGetChr             ( void );
-void UsartPutChr             ( char c );
-void UsartPutStr             ( char *str );
-void UsartPutCStr            ( const char *str );
-
-
-#endif   //  _USART_H_
-/*--------------------------------------------------------------------------------------------------
-                                         End of file.
---------------------------------------------------------------------------------------------------*/

cmake/avr-gcc-toolchain.cmake

@@ -0,0 +1,400 @@
+##########################################################################
+# "THE ANY BEVERAGE-WARE LICENSE" (Revision 42 - based on beer-ware
+# license):
+# <dev@layer128.net> wrote this file. As long as you retain this notice
+# you can do whatever you want with this stuff. If we meet some day, and
+# you think this stuff is worth it, you can buy me a be(ve)er(age) in
+# return. (I don't like beer much.)
+#
+# Matthias Kleemann
+##########################################################################
+
+##########################################################################
+# The toolchain requires some variables set.
+#
+# AVR_MCU (default: atmega8)
+#     the type of AVR the application is built for
+# AVR_L_FUSE (NO DEFAULT)
+#     the LOW fuse value for the MCU used
+# AVR_H_FUSE (NO DEFAULT)
+#     the HIGH fuse value for the MCU used
+# AVR_UPLOADTOOL (default: avrdude)
+#     the application used to upload to the MCU
+#     NOTE: The toolchain is currently quite specific about
+#           the commands used, so it needs tweaking.
+# AVR_UPLOADTOOL_PORT (default: usb)
+#     the port used for the upload tool, e.g. usb
+# AVR_PROGRAMMER (default: avrispmkII)
+#     the programmer hardware used, e.g. avrispmkII
+##########################################################################
+
+##########################################################################
+# options
+##########################################################################
+option(WITH_MCU "Add the mCU type to the target file name." ON)
+
+##########################################################################
+# executables in use
+##########################################################################
+find_program(AVR_CC avr-gcc REQUIRED)
+find_program(AVR_CXX avr-g++ REQUIRED)
+find_program(AVR_OBJCOPY avr-objcopy REQUIRED)
+find_program(AVR_SIZE_TOOL avr-size REQUIRED)
+find_program(AVR_OBJDUMP avr-objdump REQUIRED)
+
+##########################################################################
+# toolchain starts with defining mandatory variables
+##########################################################################
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_PROCESSOR avr)
+set(CMAKE_C_COMPILER ${AVR_CC})
+set(CMAKE_CXX_COMPILER ${AVR_CXX})
+
+##########################################################################
+# Identification
+##########################################################################
+set(AVR 1)
+
+##########################################################################
+# some necessary tools and variables for AVR builds, which may not
+# defined yet
+# - AVR_UPLOADTOOL
+# - AVR_UPLOADTOOL_PORT
+# - AVR_PROGRAMMER
+# - AVR_MCU
+# - AVR_SIZE_ARGS
+##########################################################################
+
+# default upload tool
+if(NOT AVR_UPLOADTOOL)
+    set(
+            AVR_UPLOADTOOL avrdude
+            CACHE STRING "Set default upload tool: avrdude"
+    )
+    find_program(AVR_UPLOADTOOL avrdude)
+endif(NOT AVR_UPLOADTOOL)
+
+# default upload tool port
+if(NOT AVR_UPLOADTOOL_PORT)
+    set(
+            AVR_UPLOADTOOL_PORT usb
+            CACHE STRING "Set default upload tool port: usb"
+    )
+endif(NOT AVR_UPLOADTOOL_PORT)
+
+# default programmer (hardware)
+if(NOT AVR_PROGRAMMER)
+    set(
+            AVR_PROGRAMMER avrispmkII
+            CACHE STRING "Set default programmer hardware model: avrispmkII"
+    )
+endif(NOT AVR_PROGRAMMER)
+
+# default MCU (chip)
+if(NOT AVR_MCU)
+    set(
+            AVR_MCU atmega8
+            CACHE STRING "Set default MCU: atmega8 (see 'avr-gcc --target-help' for valid values)"
+    )
+endif(NOT AVR_MCU)
+
+#default avr-size args
+if(NOT AVR_SIZE_ARGS)
+    if(APPLE)
+        set(AVR_SIZE_ARGS -B)
+    else(APPLE)
+        set(AVR_SIZE_ARGS -G)
+    endif(APPLE)
+endif(NOT AVR_SIZE_ARGS)
+
+# prepare base flags for upload tool
+set(AVR_UPLOADTOOL_BASE_OPTIONS -p ${AVR_MCU} -c ${AVR_PROGRAMMER})
+
+# use AVR_UPLOADTOOL_BAUDRATE as baudrate for upload tool (if defined)
+if(AVR_UPLOADTOOL_BAUDRATE)
+    set(AVR_UPLOADTOOL_BASE_OPTIONS ${AVR_UPLOADTOOL_BASE_OPTIONS} -b ${AVR_UPLOADTOOL_BAUDRATE})
+endif()
+
+##########################################################################
+# check build types:
+# - Debug
+# - Release
+# - RelWithDebInfo
+#
+# Release is chosen, because of some optimized functions in the
+# AVR toolchain, e.g. _delay_ms().
+##########################################################################
+if(NOT ((CMAKE_BUILD_TYPE MATCHES Release) OR
+(CMAKE_BUILD_TYPE MATCHES RelWithDebInfo) OR
+(CMAKE_BUILD_TYPE MATCHES Debug) OR
+(CMAKE_BUILD_TYPE MATCHES MinSizeRel)))
+    set(
+            CMAKE_BUILD_TYPE Release
+            CACHE STRING "Choose cmake build type: Debug Release RelWithDebInfo MinSizeRel"
+            FORCE
+    )
+endif(NOT ((CMAKE_BUILD_TYPE MATCHES Release) OR
+(CMAKE_BUILD_TYPE MATCHES RelWithDebInfo) OR
+(CMAKE_BUILD_TYPE MATCHES Debug) OR
+(CMAKE_BUILD_TYPE MATCHES MinSizeRel)))
+
+
+
+##########################################################################
+
+##########################################################################
+# target file name add-on
+##########################################################################
+if(WITH_MCU)
+    set(MCU_TYPE_FOR_FILENAME "-${AVR_MCU}")
+else(WITH_MCU)
+    set(MCU_TYPE_FOR_FILENAME "")
+endif(WITH_MCU)
+
+##########################################################################
+# add_avr_executable
+# - IN_VAR: EXECUTABLE_NAME
+#
+# Creates targets and dependencies for AVR toolchain, building an
+# executable. Calls add_executable with ELF file as target name, so
+# any link dependencies need to be using that target, e.g. for
+# target_link_libraries(<EXECUTABLE_NAME>-${AVR_MCU}.elf ...).
+##########################################################################
+function(add_avr_executable EXECUTABLE_NAME)
+
+   if(NOT ARGN)
+      message(FATAL_ERROR "No source files given for ${EXECUTABLE_NAME}.")
+   endif(NOT ARGN)
+
+   # set file names
+   set(hex_file ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}.hex)
+   set(lst_file ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}.lst)
+   set(map_file ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}.map)
+   set(eeprom_image ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}-eeprom.hex)
+
+   set (${EXECUTABLE_NAME}_ELF_TARGET ${EXECUTABLE_NAME} PARENT_SCOPE)
+   set (${EXECUTABLE_NAME}_HEX_TARGET ${hex_file} PARENT_SCOPE)
+   set (${EXECUTABLE_NAME}_LST_TARGET ${lst_file} PARENT_SCOPE)
+   set (${EXECUTABLE_NAME}_MAP_TARGET ${map_file} PARENT_SCOPE)
+   set (${EXECUTABLE_NAME}_EEPROM_TARGET ${eeprom_file} PARENT_SCOPE)
+   # elf file
+   add_executable(${EXECUTABLE_NAME} ${ARGN})
+
+   set_target_properties(
+      ${EXECUTABLE_NAME}
+      PROPERTIES
+         COMPILE_FLAGS "-mmcu=${AVR_MCU}"
+         LINK_FLAGS "-mmcu=${AVR_MCU} -Wl,--gc-sections -mrelax -Wl,-Map,${map_file}"
+   )
+
+   add_custom_command(
+      OUTPUT ${lst_file}
+      COMMAND
+         ${AVR_OBJDUMP} -d ${EXECUTABLE_NAME} > ${lst_file}
+      DEPENDS ${EXECUTABLE_NAME}
+   )
+
+   # eeprom
+   add_custom_command(
+      OUTPUT ${eeprom_image}
+      COMMAND
+         ${AVR_OBJCOPY} -j .eeprom --set-section-flags=.eeprom=alloc,load
+            --change-section-lma .eeprom=0 --no-change-warnings
+            -O ihex ${EXECUTABLE_NAME} ${eeprom_image}
+      DEPENDS ${EXECUTABLE_NAME}
+   )
+
+   # clean
+   get_directory_property(clean_files ADDITIONAL_MAKE_CLEAN_FILES)
+   set_directory_properties(
+      PROPERTIES
+         ADDITIONAL_MAKE_CLEAN_FILES "${map_file}"
+   )
+
+   # upload - with avrdude
+   add_custom_target(
+      upload_${EXECUTABLE_NAME}
+      ${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} ${AVR_UPLOADTOOL_OPTIONS}
+         -U flash:w:${EXECUTABLE_NAME}:e
+         -P ${AVR_UPLOADTOOL_PORT}
+      DEPENDS ${EXECUTABLE_NAME}
+      COMMENT "Uploading ${hex_file} to ${AVR_MCU} using ${AVR_PROGRAMMER}"
+   )
+
+   # upload eeprom only - with avrdude
+   # see also bug http://savannah.nongnu.org/bugs/?40142
+   add_custom_target(
+      upload_${EXECUTABLE_NAME}_eeprom
+      ${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} ${AVR_UPLOADTOOL_OPTIONS}
+         -U eeprom:w:${eeprom_image}
+         -P ${AVR_UPLOADTOOL_PORT}
+      DEPENDS ${eeprom_image}
+      COMMENT "Uploading ${eeprom_image} to ${AVR_MCU} using ${AVR_PROGRAMMER}"
+   )
+
+   # disassemble
+   add_custom_target(
+      disassemble_${EXECUTABLE_NAME}
+      ${AVR_OBJDUMP} -h -S ${EXECUTABLE_NAME} > ${EXECUTABLE_NAME}.lst
+      DEPENDS ${EXECUTABLE_NAME}
+   )
+endfunction(add_avr_executable)
+
+
+##########################################################################
+# add_avr_library
+# - IN_VAR: LIBRARY_NAME
+#
+# Calls add_library with an optionally concatenated name
+# <LIBRARY_NAME>${MCU_TYPE_FOR_FILENAME}.
+# This needs to be used for linking against the library, e.g. calling
+# target_link_libraries(...).
+##########################################################################
+function(add_avr_library LIBRARY_NAME)
+    if(NOT ARGN)
+        message(FATAL_ERROR "No source files given for ${LIBRARY_NAME}.")
+    endif(NOT ARGN)
+
+    set(lib_file ${LIBRARY_NAME}${MCU_TYPE_FOR_FILENAME})
+    set (${LIBRARY_NAME}_LIB_TARGET ${elf_file} PARENT_SCOPE)
+
+    add_library(${lib_file} STATIC ${ARGN})
+
+    set_target_properties(
+            ${lib_file}
+            PROPERTIES
+            COMPILE_FLAGS "-mmcu=${AVR_MCU}"
+            OUTPUT_NAME "${lib_file}"
+    )
+
+    if(NOT TARGET ${LIBRARY_NAME})
+        add_custom_target(
+                ${LIBRARY_NAME}
+                ALL
+                DEPENDS ${lib_file}
+        )
+
+        set_target_properties(
+                ${LIBRARY_NAME}
+                PROPERTIES
+                OUTPUT_NAME "${lib_file}"
+        )
+    endif(NOT TARGET ${LIBRARY_NAME})
+
+endfunction(add_avr_library)
+
+##########################################################################
+# avr_target_link_libraries
+# - IN_VAR: EXECUTABLE_TARGET
+# - ARGN  : targets and files to link to
+#
+# Calls target_link_libraries with AVR target names (concatenation,
+# extensions and so on.
+##########################################################################
+function(avr_target_link_libraries EXECUTABLE_TARGET)
+   if(NOT ARGN)
+      message(FATAL_ERROR "Nothing to link to ${EXECUTABLE_TARGET}.")
+   endif(NOT ARGN)
+
+   get_target_property(TARGET_LIST ${EXECUTABLE_TARGET} OUTPUT_NAME)
+
+   foreach(TGT ${ARGN})
+      if(TARGET ${TGT})
+         get_target_property(ARG_NAME ${TGT} OUTPUT_NAME)
+         list(APPEND NON_TARGET_LIST ${ARG_NAME})
+      else(TARGET ${TGT})
+         list(APPEND NON_TARGET_LIST ${TGT})
+      endif(TARGET ${TGT})
+   endforeach(TGT ${ARGN})
+
+   target_link_libraries(${TARGET_LIST} ${NON_TARGET_LIST})
+endfunction(avr_target_link_libraries EXECUTABLE_TARGET)
+
+##########################################################################
+# avr_target_include_directories
+#
+# Calls target_include_directories with AVR target names
+##########################################################################
+
+function(avr_target_include_directories EXECUTABLE_TARGET)
+    if(NOT ARGN)
+        message(FATAL_ERROR "No include directories to add to ${EXECUTABLE_TARGET}.")
+    endif()
+
+    get_target_property(TARGET_LIST ${EXECUTABLE_TARGET} OUTPUT_NAME)
+    set(extra_args ${ARGN})
+
+    target_include_directories(${TARGET_LIST} ${extra_args})
+endfunction()
+
+##########################################################################
+# avr_target_compile_definitions
+#
+# Calls target_compile_definitions with AVR target names
+##########################################################################
+
+function(avr_target_compile_definitions EXECUTABLE_TARGET)
+    if(NOT ARGN)
+        message(FATAL_ERROR "No compile definitions to add to ${EXECUTABLE_TARGET}.")
+    endif()
+
+    get_target_property(TARGET_LIST ${EXECUTABLE_TARGET} OUTPUT_NAME)
+    set(extra_args ${ARGN})
+
+   target_compile_definitions(${TARGET_LIST} ${extra_args})
+endfunction()
+
+function(avr_generate_fixed_targets)
+   # get status
+   add_custom_target(
+      get_status
+      ${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT} -n -v
+      COMMENT "Get status from ${AVR_MCU}"
+   )
+   
+   # get fuses
+   add_custom_target(
+      get_fuses
+      ${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT} -n
+         -U lfuse:r:-:b
+         -U hfuse:r:-:b
+      COMMENT "Get fuses from ${AVR_MCU}"
+   )
+   
+   # set fuses
+   add_custom_target(
+      set_fuses
+      ${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT}
+         -U lfuse:w:${AVR_L_FUSE}:m
+         -U hfuse:w:${AVR_H_FUSE}:m
+         COMMENT "Setup: High Fuse: ${AVR_H_FUSE} Low Fuse: ${AVR_L_FUSE}"
+   )
+   
+   # get oscillator calibration
+   add_custom_target(
+      get_calibration
+         ${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT}
+         -U calibration:r:${AVR_MCU}_calib.tmp:r
+         COMMENT "Write calibration status of internal oscillator to ${AVR_MCU}_calib.tmp."
+   )
+   
+   # set oscillator calibration
+   add_custom_target(
+      set_calibration
+      ${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT}
+         -U calibration:w:${AVR_MCU}_calib.hex
+         COMMENT "Program calibration status of internal oscillator from ${AVR_MCU}_calib.hex."
+   )
+endfunction()
+
+##########################################################################
+# Bypass the link step in CMake's "compiler sanity test" check
+#
+# CMake throws in a try_compile() target test in some generators, but does
+# not know that this is a cross compiler so the executable can't link.
+# Change the target type:
+#
+# https://stackoverflow.com/q/53633705
+##########################################################################
+
+set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")

cmake/libc-version-test.cpp

@@ -0,0 +1,17 @@
+#if __has_include(<component-version.h>)
+#include <component-version.h>
+#if ((COMPONENT_VERSION_MAJOR == 1) && (COMPONENT_VERSION_MINOR == 2) &&       \
+     (BUILD_NUMBER < 118))
+#error                                                                         \
+    "Microchip pack component version greater than 1.2.118 required to support ATtiny3216"
+#endif
+#else
+#include <avr/version.h>
+#if !(__AVR_LIBC_VERSION__ > 20100UL)
+#error "AVR LibC version greater than 2.1 does support ATtiny3216"
+#endif
+#endif
+
+#include <avr/io.h>
+
+int main() { return 0; }

hardware/CUI_SJ-43514.kicad_mod

@@ -0,0 +1,171 @@
+(footprint "CUI_SJ-43514" (version 20221018) (generator pcbnew)
+  (layer "F.Cu")
+  (attr through_hole)
+  (fp_text reference "REF**" (at -2.979703 -6.81327) (layer "F.SilkS")
+      (effects (font (size 0.480598 0.480598) (thickness 0.15)))
+    (tstamp bfeda05e-5925-424c-8f77-4d0de2d9f221)
+  )
+  (fp_text value "CUI_SJ-43514" (at -1.094318 6.206094) (layer "F.Fab")
+      (effects (font (size 0.480844 0.480844) (thickness 0.15)))
+    (tstamp bdc14a89-1821-43fc-a9f8-40f3b142a63d)
+  )
+  (fp_text user "PCB EDGE" (at -5.75332 8.5049) (layer "F.Fab")
+      (effects (font (size 0.480277 0.480277) (thickness 0.120069)))
+    (tstamp 6a88ca6f-a53e-4950-bbc8-44c4d11c2a0a)
+  )
+  (fp_line (start -8.5 -3) (end -5.5 -3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 0050636b-6e15-4ce3-9ac3-09473598b5da))
+  (fp_line (start -8.5 3) (end -8.5 -3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp ecac6353-2236-4d1a-834d-0a75abb5cee1))
+  (fp_line (start -5.5 -4.7) (end -5.5 -3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp bf6fd2e2-0049-48bb-a736-39561152d911))
+  (fp_line (start -5.5 -3) (end -5.5 -2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp dede3ff1-9dd4-49de-979e-95dfa9478423))
+  (fp_line (start -5.5 -2.25) (end -4.2 -2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 5eb5c318-7dc4-4e7f-989a-f4ba5dc0821f))
+  (fp_line (start -5.5 2.25) (end -5.5 3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 9013f407-26c3-41ed-8b0e-8d3226919b1a))
+  (fp_line (start -5.5 3) (end -8.5 3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 0fd41d69-9ce9-4ef0-a762-a71b1aac4fd6))
+  (fp_line (start -5.5 3) (end -5.5 4.3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 658d99e0-a80a-4367-a8a5-4c5f9dba1178))
+  (fp_line (start -5.5 4.3) (end -3.75 4.3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 7b5ba43a-3077-4f09-add7-a178895e80ae))
+  (fp_line (start -5.05 4.3) (end -4.55 5.35)
+    (stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 5a1481a0-0072-4fb0-b82f-9002c5f87269))
+  (fp_line (start -4.55 5.35) (end -3.6 5.35)
+    (stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 5bf00677-c1d9-484b-8a50-5cd0c873eeb5))
+  (fp_line (start -4.2 -2.25) (end -4.2 2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp ffee2b26-d7e4-4284-9263-c6aca5b9749a))
+  (fp_line (start -4.2 2.25) (end -5.5 2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 32f065d2-8bb4-4f1a-84da-02bc6ff17e4d))
+  (fp_line (start -3.8 -4.7) (end -5.5 -4.7)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp abfac670-5770-42a2-a09b-98c42789dc0a))
+  (fp_line (start -3.6 5.35) (end -3.6 5)
+    (stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 12653866-eba9-48de-9c11-2db40ab42242))
+  (fp_line (start -1.4 -4.7) (end 6.1 -4.7)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp e7e22f9d-9cb3-4f0f-81d0-1e6f401e1325))
+  (fp_line (start 0.4 4.3) (end 0.4 5.4)
+    (stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 44432717-bbe5-4b53-abc2-4fff5060c314))
+  (fp_line (start 0.4 5.4) (end 1.3 5.4)
+    (stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp dd54a902-0e87-4221-9694-bf2b3bf84625))
+  (fp_line (start 1.3 5.4) (end 1.7 4.6)
+    (stroke (width 0.1) (type default)) (layer "F.SilkS") (tstamp 1d9fc1f8-7c3b-4056-8cd2-e1b881e3711f))
+  (fp_line (start 1.5 4.3) (end -1.55 4.3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp ed42dbf6-5647-4586-a2ce-063b416c4194))
+  (fp_line (start 6.1 -4.7) (end 6.1 -2.7)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 4619c36d-b0cd-415b-ae48-395ee76ef585))
+  (fp_line (start 6.1 -0.35) (end 6.1 4.3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp c05166e3-0591-4801-8c91-d3dd803cca16))
+  (fp_line (start 6.1 4.3) (end 3.4 4.3)
+    (stroke (width 0.127) (type solid)) (layer "F.SilkS") (tstamp 3c5ea8b3-2ced-4df4-9fc4-309b967f50ce))
+  (fp_circle (center -4 -5.5) (end -3.8 -5.5)
+    (stroke (width 0.4) (type solid)) (fill none) (layer "F.SilkS") (tstamp 1a0330d0-db00-4dfa-9914-25086b1fbfbf))
+  (fp_line (start -5.5 -8.35) (end -5.5 -2.25)
+    (stroke (width 0.01) (type solid)) (layer "Edge.Cuts") (tstamp ecdf0e30-8453-4e73-b5ab-aa93010d888d))
+  (fp_line (start -5.5 -2.25) (end -4.2 -2.25)
+    (stroke (width 0.01) (type solid)) (layer "Edge.Cuts") (tstamp d61220d3-0c4a-46fe-966c-fa6d3205a6bd))
+  (fp_line (start -5.5 2.25) (end -5.5 8.85)
+    (stroke (width 0.01) (type solid)) (layer "Edge.Cuts") (tstamp 4b0c47eb-fff4-443f-a38b-fabcc1e8eb82))
+  (fp_line (start -4.2 -2.25) (end -4.2 2.25)
+    (stroke (width 0.01) (type solid)) (layer "Edge.Cuts") (tstamp 89f05533-9365-4886-8c31-515ca2e0d00b))
+  (fp_line (start -4.2 2.25) (end -5.5 2.25)
+    (stroke (width 0.01) (type solid)) (layer "Edge.Cuts") (tstamp ae1988c7-803b-4b56-b7fd-d8e2dd7b830c))
+  (fp_line (start -8.75 -3.25) (end -5.75 -3.25)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 940af57e-dd0f-4060-9be4-fe34e7aa903e))
+  (fp_line (start -8.75 3.25) (end -8.75 -3.25)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 266b0d05-a27e-450f-8538-bc9affd19b04))
+  (fp_line (start -5.75 -5) (end -3.65 -5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 3b5bc2e3-9f5a-409a-993b-83f5f819c072))
+  (fp_line (start -5.75 -3.25) (end -5.75 -5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 9ae91dfe-d4b6-4dfa-bddf-91c145ccc5f6))
+  (fp_line (start -5.75 3.25) (end -8.75 3.25)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 62e06b49-3ebe-49ed-a4c2-3e93da53c16d))
+  (fp_line (start -5.75 4.5) (end -5.75 3.25)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 097944c5-fe4f-4da3-8780-42e8a8eeff4d))
+  (fp_line (start -5.25 4.5) (end -5.75 4.5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 7233d18f-b358-4e74-9555-a6a75d6127dc))
+  (fp_line (start -5.25 5.55) (end -5.25 4.5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 5dd71fc4-88f7-45c2-b6be-97a22f0df7f9))
+  (fp_line (start -3.65 -5.85) (end -1.5 -5.85)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp ccba6cef-50a5-421e-9d4f-7f2a0e8b80a4))
+  (fp_line (start -3.65 -5) (end -3.65 -5.85)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 135bbc13-e01b-436c-a876-d8b74759ae6d))
+  (fp_line (start -1.5 -5.85) (end -1.5 -5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 396eebd4-23db-4244-bfb5-c7a05b73ec13))
+  (fp_line (start -1.5 -5) (end 6.3 -5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 2f5078ca-1522-4faf-96ff-fa75e32013ee))
+  (fp_line (start 2 5.55) (end -5.25 5.55)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp dbe5204d-c99e-4064-98e1-bdf7b7b37874))
+  (fp_line (start 2 5.55) (end 2 4.6)
+    (stroke (width 0.05) (type default)) (layer "F.CrtYd") (tstamp cdd79330-522a-4535-8c78-14c4608d4d55))
+  (fp_line (start 6.3 -5) (end 6.3 -2.6)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 570b790c-1c58-4b29-bc5e-93fbc00a1601))
+  (fp_line (start 6.3 -2.6) (end 6.5 -2.6)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 167c1098-293c-4d8b-b749-92216e026450))
+  (fp_line (start 6.3 -0.5) (end 6.3 4.6)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp e3966f22-fca2-4ca3-b5f0-05222dd717de))
+  (fp_line (start 6.3 4.6) (end 2 4.6)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp 9cdb0a50-a0c6-4a55-87c8-48783fc5368e))
+  (fp_line (start 6.5 -2.6) (end 6.5 -0.5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp e8cc2a6b-ffb6-4f90-90f4-d497d1f0a692))
+  (fp_line (start 6.5 -0.5) (end 6.3 -0.5)
+    (stroke (width 0.05) (type solid)) (layer "F.CrtYd") (tstamp d29942c8-f25a-41dc-9e05-ac32b1a9f741))
+  (fp_line (start -8.5 -3) (end -8.5 3)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp a27f1ab1-c6f9-4b28-9728-cc59daa92ea7))
+  (fp_line (start -8.5 3) (end -5.5 3)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp e5e3bbf8-cd0b-4d9e-9f24-64dd16354f96))
+  (fp_line (start -5.5 -4.7) (end -5.5 -3)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp 4242f01b-41cd-4da5-b700-6107f22cd2ee))
+  (fp_line (start -5.5 -4.7) (end 6.1 -4.7)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp 27a82db8-2858-4f01-baec-c0c199045d07))
+  (fp_line (start -5.5 -3) (end -8.5 -3)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp f5372e4a-5bde-4c18-81bf-5e6b13679292))
+  (fp_line (start -5.5 -3) (end -5.5 -2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp 203ba3fa-cb1d-4968-b9f5-596155c2dadf))
+  (fp_line (start -5.5 -2.25) (end -4.2 -2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp fc87e254-1807-4d59-b472-92b5dc84a38e))
+  (fp_line (start -5.5 2.25) (end -5.5 3)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp 11b2e23c-dadb-4b7a-aca5-7f204e0de401))
+  (fp_line (start -5.5 3) (end -5.5 4.3)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp 981f06cf-dc71-4fbc-83d9-b9bff68dddc8))
+  (fp_line (start -5.5 4.3) (end -5.05 4.3)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp b939b474-cc9b-403b-a66e-5145b84f511b))
+  (fp_line (start -5.05 4.3) (end -4.55 5.35)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp b365aa16-9e8d-43a4-992e-7f39a81b3c25))
+  (fp_line (start -4.55 5.35) (end -3.6 5.35)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp 1c73b2ee-5dc0-4690-9ed4-932d3c0a1b18))
+  (fp_line (start -4.2 -2.25) (end -4.2 2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp ab5dcbaa-38c1-4be7-9a9d-f958f0e3a05e))
+  (fp_line (start -4.2 2.25) (end -5.5 2.25)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp 0356b2dc-c9bc-4829-8343-27ed86d2e19b))
+  (fp_line (start -3.6 4.3) (end 0.4 4.3)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp 28bf17a6-3221-4254-b5e3-442590091c92))
+  (fp_line (start -3.6 5.35) (end -3.6 4.3)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp fede174c-82d4-4214-9a80-dee671777d81))
+  (fp_line (start 0.4 4.3) (end 0.4 5.4)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp 86c7aabb-f8c0-4c73-b019-b85bebb71f06))
+  (fp_line (start 0.4 5.4) (end 1.3 5.4)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp b346b889-f83f-4e44-ac3c-b9c18c4bfeca))
+  (fp_line (start 1.3 5.4) (end 1.85 4.3)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp 83601258-2c7d-4c55-9996-ee590a16f411))
+  (fp_line (start 1.85 4.3) (end 6.1 4.3)
+    (stroke (width 0.127) (type default)) (layer "F.Fab") (tstamp decc39a6-5210-4338-a0bf-27444887de8e))
+  (fp_line (start 6.1 -4.7) (end 6.1 4.3)
+    (stroke (width 0.127) (type solid)) (layer "F.Fab") (tstamp f0bcef93-c605-4782-9671-50816bcff153))
+  (pad "" np_thru_hole circle (at -2.6 0) (size 1.1 1.1) (drill 1.1) (layers "*.Cu" "*.Mask") (tstamp 4bf3c14b-548d-46b8-b495-96bd6a488313))
+  (pad "" np_thru_hole circle (at 2.4 0) (size 1.1 1.1) (drill 1.1) (layers "*.Cu" "*.Mask") (tstamp d20a6657-1fc2-4113-8548-24694ff1e021))
+  (pad "1" thru_hole rect (at -2.6 -4.8) (size 1.65 1.65) (drill 1.1) (layers "*.Cu" "*.Mask")
+    (solder_mask_margin 0.102) (tstamp 32f3146d-6082-43d2-96fd-12e0385460bd))
+  (pad "2" thru_hole circle (at 2.4 3.6) (size 1.65 1.65) (drill 1.1) (layers "*.Cu" "*.Mask")
+    (solder_mask_margin 0.102) (tstamp 49f2bf78-3fd2-4bd7-9f90-9e57a7203293))
+  (pad "3" thru_hole circle (at 5.5 -1.6) (size 1.65 1.65) (drill 1.1) (layers "*.Cu" "*.Mask")
+    (solder_mask_margin 0.102) (tstamp dc557e88-b134-41f4-966a-5f977c97ee79))
+  (pad "4" thru_hole circle (at -2.6 4.5) (size 1.65 1.65) (drill 1.1) (layers "*.Cu" "*.Mask")
+    (solder_mask_margin 0.102) (tstamp 076cf2ff-8dd7-4070-a098-78b9ee4a7912))
+  (model "${KIPRJMOD}/CUI_DEVICES_SJ-43514.step"
+    (offset (xyz -5.5 0 2.25))
+    (scale (xyz 1 1 1))
+    (rotate (xyz -90 0 180))
+  )
+)

hardware/LICENSE

@@ -0,0 +1,43 @@
+
+Solderpad Hardware License v2.1
+
+This license operates as a wraparound license to the Apache License Version 2.0 (the “Apache License”) and incorporates the terms and conditions of the Apache License (which can be found here: http://apache.org/licenses/LICENSE-2.0), with the following additions and modifications. It must be read in conjunction with the Apache License. Section 1 below modifies definitions and terminology in the Apache License and Section 2 below replaces Section 2 of the Apache License. The Appendix replaces the Appendix in the Apache License. You may, at your option, choose to treat any Work released under this license as released under the Apache License (thus ignoring all sections written below entirely).
+
+1. Terminology in the Apache License is supplemented or modified as follows:
+
+“Authorship”: any reference to ‘authorship’ shall be taken to read “authorship or design”.
+
+“Copyright owner”: any reference to ‘copyright owner’ shall be taken to read “Rights owner”.
+
+“Copyright statement”: the reference to ‘copyright statement’ shall be taken to read ‘copyright or other statement pertaining to Rights’.
+
+The following new definition shall be added to the Definitions section of the Apache License:
+
+“Rights” means copyright and any similar right including design right (whether registered or unregistered), rights in semiconductor topographies (mask works) and database rights (but excluding Patents and Trademarks).
+
+The following definitions shall replace the corresponding definitions in the Apache License:
+
+“License” shall mean this Solderpad Hardware License version 2.1, being the terms and conditions for use, manufacture, instantiation, adaptation, reproduction, and distribution as defined by Sections 1 through 9 of this document.
+
+“Licensor” shall mean the owner of the Rights or entity authorized by the owner of the Rights that is granting the License.
+
+“Derivative Works” shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship or design. For the purposes of this License, Derivative Works shall not include works that remain reversibly separable from, or merely link (or bind by name) or physically connect to or interoperate with the Work and Derivative Works thereof.
+
+“Object” form shall mean any form resulting from mechanical transformation or translation of a Source form or the application of a Source form to physical material, including but not limited to compiled object code, generated documentation, the instantiation of a hardware design or physical object or material and conversions to other media types, including intermediate forms such as bytecodes, FPGA bitstreams, moulds, artwork and semiconductor topographies (mask works).
+
+“Source” form shall mean the preferred form for making modifications, including but not limited to source code, net lists, board layouts, CAD files, documentation source, and configuration files.
+
+“Work” shall mean the work of authorship or design, whether in Source or Object form, made available under the License, as indicated by a notice relating to Rights that is included in or attached to the work (an example is provided in the Appendix below).
+
+2. Grant of License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable license under the Rights to reproduce, prepare Derivative Works of, make, adapt, repair, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form and do anything in relation to the Work as if the Rights did not exist.
+
+APPENDIX
+
+Copyright 2023 Allen Hill
+SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
+
+Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file except in compliance with the License, or, at your option, the Apache License version 2.0. You may obtain a copy of the License at
+
+https://solderpad.org/licenses/SHL-2.1/
+
+Unless required by applicable law or agreed to in writing, any work distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

hardware/LOGO.kicad_mod

@@ -0,0 +1,289 @@
+(footprint "LOGO" (version 20221018) (generator pcbnew)
+  (layer "F.Cu")
+  (fp_text reference "G***" (at 0 2.65176) (layer "F.SilkS") hide
+      (effects (font (size 0.22606 0.22606) (thickness 0.04318)))
+    (tstamp f5008734-4f8c-480e-9150-6066c4d15e62)
+  )
+  (fp_text value "LOGO" (at 0 -2.65176) (layer "F.SilkS") hide
+      (effects (font (size 0.22606 0.22606) (thickness 0.04318)))
+    (tstamp d485c02f-25a5-4145-a68b-5c44bbcce627)
+  )
+  (fp_poly
+    (pts
+      (xy -1.51384 2.24536)
+      (xy -1.48844 2.23012)
+      (xy -1.43002 2.19456)
+      (xy -1.3462 2.13868)
+      (xy -1.24714 2.07264)
+      (xy -1.14808 2.0066)
+      (xy -1.0668 1.95326)
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hardware/OSHW_logo_5mm.emp

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+PCBNEW-LibModule-V1
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+LOGO
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hardware/SJ-43514.lib

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+EESchema-LIBRARY Version 2.3
+#encoding utf-8
+#(c) SnapEDA 2016 (snapeda.com)
+#This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA) with Design Exception 1.0
+#
+# SJ-43514
+#
+DEF SJ-43514 J 0 40 Y N 1 L N
+F0 "J" -300 330 50 H V L BNN
+F1 "SJ-43514" -300 -400 50 H V L BNN
+F2 "CUI_SJ-43514" 0 0 50 H I L BNN
+F3 "" 0 0 50 H I L BNN
+F4 "CUI INC" 0 0 50 H I L BNN "MANUFACTURER"
+F5 "1.04" 0 0 50 H I L BNN "PART_REV"
+F6 "MANUFACTURER RECOMMENDATIONS" 0 0 50 H I L BNN "STANDARD"
+DRAW
+P 2 0 0 10 -240 85 -240 -95 N
+P 2 0 0 10 -240 -95 -160 -95 N
+P 2 0 0 10 -160 -95 -160 85 N
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+P 2 0 0 10 145 40 195 100 N
+P 2 0 0 10 -200 -100 -200 -200 N
+P 2 0 0 10 -200 -200 300 -200 N
+S -300 -300 300 300 0 0 10 f
+X ~ 4 400 200 100 L 40 40 0 0 P 
+X ~ 1 400 -200 100 L 40 40 0 0 P 
+X ~ 2 400 100 100 L 40 40 0 0 P 
+X ~ 3 400 -100 100 L 40 40 0 0 P 
+ENDDRAW
+ENDDEF
+#
+# End Library

hardware/avclan-mockingboard-rounded.kicad_prl

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+    "active_layer_preset": "All Layers",
+    "auto_track_width": true,
+    "hidden_netclasses": [],
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+    "high_contrast_mode": 0,
+    "net_color_mode": 1,
+    "opacity": {
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+      "footprints": true,
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+      "lockedItems": false,
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+    "visible_layers": "fffffff_ffffffff",
+    "zone_display_mode": 0
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+  "meta": {
+    "filename": "avclan-mockingboard-rounded.kicad_prl",
+    "version": 3
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+  "project": {
+    "files": []
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+}

hardware/avclan-mockingboard-rounded.kicad_pro

@@ -0,0 +1,509 @@
+{
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+    "3dviewports": [],
+    "design_settings": {
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+          "keep_text_aligned": true,
+          "suppress_zeroes": false,
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+          "height": 1.524,
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+        "zones": {
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+        "silk_edge_clearance|127600000|75600000|3c9aeeb6-9bf2-4b70-8ccb-4aa674772f2c|3bc1c510-8140-48c6-9e1d-e37afa6a5a79",
+        "silk_edge_clearance|136600000|75600000|6e55689b-dfcc-4b1b-b6da-416a34456e20|6d777aef-3d67-44dd-a85d-1dbda6171f02",
+        "silk_edge_clearance|138470000|75600000|6e55689b-dfcc-4b1b-b6da-416a34456e20|c93e5386-3bd1-45c9-bd03-1ef6229305ed",
+        "silk_edge_clearance|169440000|75600000|6e55689b-dfcc-4b1b-b6da-416a34456e20|44ebb4f7-c13a-4c59-b036-8212144cec66"
+      ],
+      "meta": {
+        "version": 2
+      },
+      "rule_severities": {
+        "annular_width": "error",
+        "clearance": "error",
+        "connection_width": "warning",
+        "copper_edge_clearance": "error",
+        "copper_sliver": "warning",
+        "courtyards_overlap": "error",
+        "diff_pair_gap_out_of_range": "error",
+        "diff_pair_uncoupled_length_too_long": "error",
+        "drill_out_of_range": "error",
+        "duplicate_footprints": "warning",
+        "extra_footprint": "warning",
+        "footprint": "error",
+        "footprint_type_mismatch": "ignore",
+        "hole_clearance": "error",
+        "hole_near_hole": "error",
+        "invalid_outline": "error",
+        "isolated_copper": "warning",
+        "item_on_disabled_layer": "error",
+        "items_not_allowed": "error",
+        "length_out_of_range": "error",
+        "lib_footprint_issues": "warning",
+        "lib_footprint_mismatch": "ignore",
+        "malformed_courtyard": "error",
+        "microvia_drill_out_of_range": "error",
+        "missing_courtyard": "ignore",
+        "missing_footprint": "warning",
+        "net_conflict": "warning",
+        "npth_inside_courtyard": "ignore",
+        "padstack": "warning",
+        "pth_inside_courtyard": "ignore",
+        "shorting_items": "error",
+        "silk_edge_clearance": "warning",
+        "silk_over_copper": "warning",
+        "silk_overlap": "warning",
+        "skew_out_of_range": "error",
+        "solder_mask_bridge": "error",
+        "starved_thermal": "error",
+        "text_height": "warning",
+        "text_thickness": "warning",
+        "through_hole_pad_without_hole": "error",
+        "too_many_vias": "error",
+        "track_dangling": "warning",
+        "track_width": "error",
+        "tracks_crossing": "error",
+        "unconnected_items": "error",
+        "unresolved_variable": "error",
+        "via_dangling": "warning",
+        "zones_intersect": "error"
+      },
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+        "min_clearance": 0.09,
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+        "min_silk_clearance": 0.049999999999999996,
+        "min_text_height": 1.0,
+        "min_text_thickness": 0.153,
+        "min_through_hole_diameter": 0.3,
+        "min_track_width": 0.09,
+        "min_via_annular_width": 0.15,
+        "min_via_diameter": 0.5,
+        "solder_mask_clearance": 0.0,
+        "solder_mask_min_width": 0.0,
+        "solder_mask_to_copper_clearance": 0.0,
+        "use_height_for_length_calcs": true
+      },
+      "teardrop_options": [
+        {
+          "td_allow_use_two_tracks": true,
+          "td_curve_segcount": 5,
+          "td_on_pad_in_zone": false,
+          "td_onpadsmd": true,
+          "td_onroundshapesonly": false,
+          "td_ontrackend": false,
+          "td_onviapad": true
+        }
+      ],
+      "teardrop_parameters": [
+        {
+          "td_curve_segcount": 5,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.75,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_target_name": "td_round_shape",
+          "td_width_to_size_filter_ratio": 0.9
+        },
+        {
+          "td_curve_segcount": 5,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.75,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_target_name": "td_rect_shape",
+          "td_width_to_size_filter_ratio": 0.9
+        },
+        {
+          "td_curve_segcount": 5,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.75,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_target_name": "td_track_end",
+          "td_width_to_size_filter_ratio": 0.9
+        }
+      ],
+      "track_widths": [
+        0.0,
+        0.1,
+        0.2,
+        0.5,
+        0.75,
+        1.0
+      ],
+      "via_dimensions": [
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+          "diameter": 0.0,
+          "drill": 0.0
+        }
+      ],
+      "zones_allow_external_fillets": false
+    },
+    "layer_presets": [],
+    "viewports": []
+  },
+  "boards": [],
+  "cvpcb": {
+    "equivalence_files": []
+  },
+  "erc": {
+    "erc_exclusions": [],
+    "meta": {
+      "version": 0
+    },
+    "pin_map": [
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+    ],
+    "rule_severities": {
+      "bus_definition_conflict": "error",
+      "bus_entry_needed": "error",
+      "bus_to_bus_conflict": "error",
+      "bus_to_net_conflict": "error",
+      "conflicting_netclasses": "error",
+      "different_unit_footprint": "error",
+      "different_unit_net": "error",
+      "duplicate_reference": "error",
+      "duplicate_sheet_names": "error",
+      "endpoint_off_grid": "warning",
+      "extra_units": "error",
+      "global_label_dangling": "warning",
+      "hier_label_mismatch": "error",
+      "label_dangling": "error",
+      "lib_symbol_issues": "warning",
+      "missing_bidi_pin": "warning",
+      "missing_input_pin": "warning",
+      "missing_power_pin": "error",
+      "missing_unit": "warning",
+      "multiple_net_names": "warning",
+      "net_not_bus_member": "warning",
+      "no_connect_connected": "error",
+      "no_connect_dangling": "warning",
+      "pin_not_connected": "warning",
+      "pin_not_driven": "error",
+      "pin_to_pin": "error",
+      "power_pin_not_driven": "error",
+      "similar_labels": "warning",
+      "simulation_model_issue": "ignore",
+      "unannotated": "error",
+      "unit_value_mismatch": "error",
+      "unresolved_variable": "error",
+      "wire_dangling": "error"
+    }
+  },
+  "libraries": {
+    "pinned_footprint_libs": [],
+    "pinned_symbol_libs": []
+  },
+  "meta": {
+    "filename": "avclan-mockingboard-rounded.kicad_pro",
+    "version": 1
+  },
+  "net_settings": {
+    "classes": [
+      {
+        "bus_width": 12,
+        "clearance": 0.2,
+        "diff_pair_gap": 0.25,
+        "diff_pair_via_gap": 0.25,
+        "diff_pair_width": 0.2,
+        "line_style": 0,
+        "microvia_diameter": 0.3,
+        "microvia_drill": 0.1,
+        "name": "Default",
+        "pcb_color": "rgba(0, 0, 0, 0.000)",
+        "schematic_color": "rgba(0, 0, 0, 0.000)",
+        "track_width": 0.25,
+        "via_diameter": 0.8,
+        "via_drill": 0.4,
+        "wire_width": 6
+      }
+    ],
+    "meta": {
+      "version": 3
+    },
+    "net_colors": null,
+    "netclass_assignments": null,
+    "netclass_patterns": []
+  },
+  "pcbnew": {
+    "last_paths": {
+      "gencad": "",
+      "idf": "",
+      "netlist": "low-power-ATtiny-board.net",
+      "specctra_dsn": "",
+      "step": "avclan-mockingboard-rounded.step",
+      "vrml": ""
+    },
+    "page_layout_descr_file": ""
+  },
+  "schematic": {
+    "annotate_start_num": 0,
+    "drawing": {
+      "dashed_lines_dash_length_ratio": 12.0,
+      "dashed_lines_gap_length_ratio": 3.0,
+      "default_line_thickness": 6.0,
+      "default_text_size": 44.0,
+      "field_names": [],
+      "intersheets_ref_own_page": false,
+      "intersheets_ref_prefix": "",
+      "intersheets_ref_short": false,
+      "intersheets_ref_show": false,
+      "intersheets_ref_suffix": "",
+      "junction_size_choice": 3,
+      "label_size_ratio": 0.375,
+      "pin_symbol_size": 25.0,
+      "text_offset_ratio": 0.15
+    },
+    "legacy_lib_dir": "",
+    "legacy_lib_list": [],
+    "meta": {
+      "version": 1
+    },
+    "net_format_name": "KiCad",
+    "ngspice": {
+      "fix_include_paths": true,
+      "meta": {
+        "version": 0
+      },
+      "model_mode": 0,
+      "workbook_filename": ""
+    },
+    "page_layout_descr_file": "",
+    "plot_directory": "./",
+    "spice_current_sheet_as_root": false,
+    "spice_external_command": "spice \"%I\"",
+    "spice_model_current_sheet_as_root": true,
+    "spice_save_all_currents": false,
+    "spice_save_all_voltages": false,
+    "subpart_first_id": 65,
+    "subpart_id_separator": 0
+  },
+  "sheets": [
+    [
+      "85a07af0-16ab-4d5b-a3f1-1b717cf4da63",
+      ""
+    ]
+  ],
+  "text_variables": {}
+}

hardware/avclan-mockingboard.kicad_prl

@@ -0,0 +1,82 @@
+{
+  "board": {
+    "active_layer": 37,
+    "active_layer_preset": "",
+    "auto_track_width": false,
+    "hidden_netclasses": [],
+    "hidden_nets": [],
+    "high_contrast_mode": 0,
+    "net_color_mode": 1,
+    "opacity": {
+      "images": 0.6,
+      "pads": 1.0,
+      "tracks": 1.0,
+      "vias": 1.0,
+      "zones": 0.6
+    },
+    "selection_filter": {
+      "dimensions": true,
+      "footprints": true,
+      "graphics": true,
+      "keepouts": true,
+      "lockedItems": true,
+      "otherItems": true,
+      "pads": true,
+      "text": true,
+      "tracks": true,
+      "vias": true,
+      "zones": true
+    },
+    "visible_items": [
+      0,
+      1,
+      2,
+      3,
+      4,
+      5,
+      8,
+      9,
+      10,
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+      15,
+      16,
+      18,
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+      20,
+      21,
+      22,
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+      25,
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+      27,
+      28,
+      29,
+      30,
+      32,
+      33,
+      34,
+      35,
+      36,
+      39,
+      40
+    ],
+    "visible_layers": "002f3ff_80000001",
+    "zone_display_mode": 0
+  },
+  "git": {
+    "repo_password": "",
+    "repo_type": "",
+    "repo_username": "",
+    "ssh_key": ""
+  },
+  "meta": {
+    "filename": "avclan-mockingboard.kicad_prl",
+    "version": 3
+  },
+  "project": {
+    "files": []
+  }
+}

hardware/avclan-mockingboard.kicad_pro

@@ -0,0 +1,615 @@
+{
+  "board": {
+    "3dviewports": [],
+    "design_settings": {
+      "defaults": {
+        "apply_defaults_to_fp_fields": false,
+        "apply_defaults_to_fp_shapes": false,
+        "apply_defaults_to_fp_text": false,
+        "board_outline_line_width": 0.1,
+        "copper_line_width": 0.2,
+        "copper_text_italic": false,
+        "copper_text_size_h": 1.5,
+        "copper_text_size_v": 1.5,
+        "copper_text_thickness": 0.3,
+        "copper_text_upright": false,
+        "courtyard_line_width": 0.05,
+        "dimension_precision": 4,
+        "dimension_units": 3,
+        "dimensions": {
+          "arrow_length": 1270000,
+          "extension_offset": 500000,
+          "keep_text_aligned": true,
+          "suppress_zeroes": false,
+          "text_position": 0,
+          "units_format": 1
+        },
+        "fab_line_width": 0.1,
+        "fab_text_italic": false,
+        "fab_text_size_h": 1.0,
+        "fab_text_size_v": 1.0,
+        "fab_text_thickness": 0.15,
+        "fab_text_upright": false,
+        "other_line_width": 0.15,
+        "other_text_italic": false,
+        "other_text_size_h": 1.0,
+        "other_text_size_v": 1.0,
+        "other_text_thickness": 0.15,
+        "other_text_upright": false,
+        "pads": {
+          "drill": 0.0,
+          "height": 1.0,
+          "width": 1.0
+        },
+        "silk_line_width": 0.15,
+        "silk_text_italic": false,
+        "silk_text_size_h": 1.0,
+        "silk_text_size_v": 1.0,
+        "silk_text_thickness": 0.15,
+        "silk_text_upright": false,
+        "zones": {
+          "min_clearance": 0.25
+        }
+      },
+      "diff_pair_dimensions": [
+        {
+          "gap": 0.0,
+          "via_gap": 0.0,
+          "width": 0.0
+        }
+      ],
+      "drc_exclusions": [
+        "courtyards_overlap|142951435|95185001|740497d3-ece2-41b1-a2fd-b8f316ceb15a|a16457de-07cc-4841-9375-dde6a241c692"
+      ],
+      "meta": {
+        "version": 2
+      },
+      "rule_severities": {
+        "annular_width": "error",
+        "clearance": "error",
+        "connection_width": "warning",
+        "copper_edge_clearance": "error",
+        "copper_sliver": "warning",
+        "courtyards_overlap": "error",
+        "diff_pair_gap_out_of_range": "error",
+        "diff_pair_uncoupled_length_too_long": "error",
+        "drill_out_of_range": "error",
+        "duplicate_footprints": "warning",
+        "extra_footprint": "warning",
+        "footprint": "error",
+        "footprint_symbol_mismatch": "warning",
+        "footprint_type_mismatch": "ignore",
+        "hole_clearance": "error",
+        "hole_near_hole": "error",
+        "holes_co_located": "warning",
+        "invalid_outline": "error",
+        "isolated_copper": "warning",
+        "item_on_disabled_layer": "error",
+        "items_not_allowed": "error",
+        "length_out_of_range": "error",
+        "lib_footprint_issues": "warning",
+        "lib_footprint_mismatch": "ignore",
+        "malformed_courtyard": "error",
+        "microvia_drill_out_of_range": "error",
+        "missing_courtyard": "ignore",
+        "missing_footprint": "warning",
+        "net_conflict": "warning",
+        "npth_inside_courtyard": "ignore",
+        "padstack": "warning",
+        "pth_inside_courtyard": "ignore",
+        "shorting_items": "error",
+        "silk_edge_clearance": "warning",
+        "silk_over_copper": "warning",
+        "silk_overlap": "warning",
+        "skew_out_of_range": "error",
+        "solder_mask_bridge": "error",
+        "starved_thermal": "error",
+        "text_height": "warning",
+        "text_thickness": "warning",
+        "through_hole_pad_without_hole": "error",
+        "too_many_vias": "error",
+        "track_dangling": "warning",
+        "track_width": "error",
+        "tracks_crossing": "error",
+        "unconnected_items": "error",
+        "unresolved_variable": "error",
+        "via_dangling": "warning",
+        "zones_intersect": "error"
+      },
+      "rules": {
+        "max_error": 0.005,
+        "min_clearance": 0.09,
+        "min_connection": 0.0,
+        "min_copper_edge_clearance": 0.3,
+        "min_hole_clearance": 0.254,
+        "min_hole_to_hole": 0.5,
+        "min_microvia_diameter": 0.2,
+        "min_microvia_drill": 0.1,
+        "min_resolved_spokes": 2,
+        "min_silk_clearance": 0.05,
+        "min_text_height": 1.0,
+        "min_text_thickness": 0.153,
+        "min_through_hole_diameter": 0.3,
+        "min_track_width": 0.09,
+        "min_via_annular_width": 0.15,
+        "min_via_diameter": 0.5,
+        "solder_mask_clearance": 0.0,
+        "solder_mask_min_width": 0.0,
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hardware/avclan-mockingboard.round-tracks-config

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hardware/fp-lib-table

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hardware/harness/harness.bom.tsv

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+2	Connector, CN701, female, 11 pins	1		Y1
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+<path fill="none" stroke="#000000" stroke-width="2" d="M136,-195C199.76,-194.98 215.75,-196.98 280,-197"/>
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+<!-- Y1 -->
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+<!-- W1&#45;&#45;Y1 -->
+<g id="edge2" class="edge">
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+  <!-- %notes% -->
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+
+<h2>Bill of Materials</h2>
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+<div id="bom">
+  <table class="bom">
+  <tr>
+    <th class="bom_col_id">Id</th>
+    <th class="bom_col_description">Description</th>
+    <th class="bom_col_qty">Qty</th>
+    <th class="bom_col_unit">Unit</th>
+    <th class="bom_col_designators">Designators</th>
+  </tr>
+  <tr>
+    <td class="bom_col_id">1</td>
+    <td class="bom_col_description">Cable, 9 x 24 AWG</td>
+    <td class="bom_col_qty">1.5</td>
+    <td class="bom_col_unit">ft</td>
+    <td class="bom_col_designators">W1</td>
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+  <tr>
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+    <td class="bom_col_qty">1</td>
+    <td class="bom_col_unit"></td>
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+  </tr>
+</table>
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hardware/harness/harness.svg

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hardware/harness/harness.yml

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+connectors:
+  X1:
+    type: D-Sub
+    subtype: female
+    pinlabels: [+12V, TX+, GND, R-, R+, MUTE, TX-, L-, L+]
+  Y1:
+    type: CN701
+    subtype: female
+    pins: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12]
+    pinlabels: [R+, L+, SGND, MUTE, +12V, R-, L-, GND, TX-, TX+, ACC]
+
+cables:
+  W1:
+    wirecount: 9
+    length: 1.5 ft
+    gauge: 24 AWG
+    colors: [RD, WH, YE, GN, OG, BU, VT, BN, BK]
+    notes: (colors of DSub cable; colors of CN701 harness may vary)
+
+connections:
+  - - X1: [1-9]
+    - W1: [1-9]
+    - Y1: [5, 10, 8, 6, 1, 4, 9, 7, 2]
+  - - X1: 3
+    - W1: 3
+    - Y1: 3

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+X25600000Y-24100000D03*
+X25600000Y-26000000D03*
+X27875000Y-25050000D03*
+%TD*%
+D28*
+%TO.C,C7*%
+X33000000Y-32200000D03*
+X33000000Y-29250000D03*
+%TD*%
+D14*
+%TO.C,C6*%
+X35350000Y-37300000D03*
+X36900000Y-37300000D03*
+%TD*%
+D10*
+%TO.C,R4*%
+X36212500Y-17300000D03*
+X36212500Y-15650000D03*
+%TD*%
+D18*
+%TO.C,U3*%
+X14925000Y-15100000D03*
+X14925000Y-16050000D03*
+X14925000Y-17000000D03*
+X17200000Y-17000000D03*
+X17200000Y-15100000D03*
+%TD*%
+D11*
+%TO.C,R10*%
+X14984118Y-18700000D03*
+X13334118Y-18700000D03*
+%TD*%
+%TO.C,R5*%
+X14850000Y-13440331D03*
+X13200000Y-13440331D03*
+%TD*%
+D29*
+%TO.C,C8*%
+X33000000Y-33900000D03*
+X33000000Y-36850000D03*
+%TD*%
+D30*
+%TO.C,D3*%
+X49395000Y-6609669D03*
+X49395000Y-10609669D03*
+%TD*%
+D28*
+%TO.C,C12*%
+X3200000Y-9150000D03*
+X3200000Y-6200000D03*
+%TD*%
+D15*
+%TO.C,R1*%
+X34412500Y-17400000D03*
+X34412500Y-15575000D03*
+%TD*%
+D28*
+%TO.C,C4*%
+X39400000Y-28400000D03*
+X39400000Y-25450000D03*
+%TD*%
+D20*
+%TO.C,R8*%
+X23500000Y-13825000D03*
+X25150000Y-13825000D03*
+%TD*%
+M02*

hardware/jlcpcb/gerber/avclan-mockingboard-rounded-SilkBottom.gbr

@@ -0,0 +1,93 @@
+%TF.GenerationSoftware,KiCad,Pcbnew,7.0.7-7.0.7~ubuntu22.04.1*%
+%TF.CreationDate,2023-09-02T15:09:26-04:00*%
+%TF.ProjectId,avclan-mockingboard-rounded,6176636c-616e-42d6-9d6f-636b696e6762,rev?*%
+%TF.SameCoordinates,Original*%
+%TF.FileFunction,Legend,Bot*%
+%TF.FilePolarity,Positive*%
+%FSLAX46Y46*%
+G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
+G04 Created by KiCad (PCBNEW 7.0.7-7.0.7~ubuntu22.04.1) date 2023-09-02 15:09:26*
+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+G04 Aperture macros list*
+%AMRoundRect*
+0 Rectangle with rounded corners*
+0 $1 Rounding radius*
+0 $2 $3 $4 $5 $6 $7 $8 $9 X,Y pos of 4 corners*
+0 Add a 4 corners polygon primitive as box body*
+4,1,4,$2,$3,$4,$5,$6,$7,$8,$9,$2,$3,0*
+0 Add four circle primitives for the rounded corners*
+1,1,$1+$1,$2,$3*
+1,1,$1+$1,$4,$5*
+1,1,$1+$1,$6,$7*
+1,1,$1+$1,$8,$9*
+0 Add four rect primitives between the rounded corners*
+20,1,$1+$1,$2,$3,$4,$5,0*
+20,1,$1+$1,$4,$5,$6,$7,0*
+20,1,$1+$1,$6,$7,$8,$9,0*
+20,1,$1+$1,$8,$9,$2,$3,0*%
+G04 Aperture macros list end*
+%ADD10C,2.000000*%
+%ADD11R,1.700000X1.700000*%
+%ADD12O,1.700000X1.700000*%
+%ADD13C,1.100000*%
+%ADD14RoundRect,0.102000X-0.825000X0.825000X-0.825000X-0.825000X0.825000X-0.825000X0.825000X0.825000X0*%
+%ADD15C,1.854000*%
+%ADD16C,4.000000*%
+%ADD17R,1.600000X1.600000*%
+%ADD18C,1.600000*%
+G04 APERTURE END LIST*
+%LPC*%
+D10*
+%TO.C,RV1*%
+X49175000Y-22400000D03*
+X47025000Y-32400000D03*
+%TD*%
+D11*
+%TO.C,J4*%
+X17500000Y-36200000D03*
+D12*
+X14960000Y-36200000D03*
+X12420000Y-36200000D03*
+X9880000Y-36200000D03*
+X7340000Y-36200000D03*
+X4800000Y-36200000D03*
+%TD*%
+D13*
+%TO.C,J1*%
+X9500000Y-2750000D03*
+X9500000Y-7750000D03*
+D14*
+X14300000Y-2750000D03*
+D15*
+X5900000Y-7750000D03*
+X11100000Y-10850000D03*
+X5000000Y-2750000D03*
+%TD*%
+D16*
+%TO.C,J2*%
+X44055000Y-9020000D03*
+X19055000Y-9020000D03*
+D17*
+X37095000Y-10440000D03*
+D18*
+X34325000Y-10440000D03*
+X31555000Y-10440000D03*
+X28785000Y-10440000D03*
+X26015000Y-10440000D03*
+X35710000Y-7600000D03*
+X32940000Y-7600000D03*
+X30170000Y-7600000D03*
+X27400000Y-7600000D03*
+%TD*%
+D11*
+%TO.C,J3*%
+X9850000Y-31200000D03*
+D12*
+X7310000Y-31200000D03*
+X4770000Y-31200000D03*
+%TD*%
+%LPD*%
+M02*

hardware/jlcpcb/gerber/avclan-mockingboard-rounded-VScore.gbr

@@ -0,0 +1,14 @@
+%TF.GenerationSoftware,KiCad,Pcbnew,7.0.7-7.0.7~ubuntu22.04.1*%
+%TF.CreationDate,2023-09-02T15:09:26-04:00*%
+%TF.ProjectId,avclan-mockingboard-rounded,6176636c-616e-42d6-9d6f-636b696e6762,rev?*%
+%TF.SameCoordinates,Original*%
+%TF.FileFunction,Other,Comment*%
+%FSLAX46Y46*%
+G04 Gerber Fmt 4.6, Leading zero omitted, Abs format (unit mm)*
+G04 Created by KiCad (PCBNEW 7.0.7-7.0.7~ubuntu22.04.1) date 2023-09-02 15:09:26*
+%MOMM*%
+%LPD*%
+G01*
+G04 APERTURE LIST*
+G04 APERTURE END LIST*
+M02*

hardware/jlcpcb/production_files/BOM-avclan-mockingboard-rounded.csv

@@ -0,0 +1,19 @@
+Comment,Designator,Footprint,LCSC
+SM6T15A,D4,D_SMB,C118275
+"BAT54A,215",D7,SOT-23-3,C130910
+10u 50V,"C2,C3,C4",C_1206_3216Metric,C13585
+SS210,"D1,D2",D_SMA,C14996
+1u 50V,"C5,C6",C_0603_1608Metric,C15849
+10k,"R4,R5,R6,R7,R8,R9",R_0603_1608Metric,C17414
+120,R3,R_0805_2012Metric,C17437
+15,"R12,R13",R_0603_1608Metric,C22810
+KT-0603R,D9,LED_0603_1608Metric,C2286
+470,"R10,R11",R_0603_1608Metric,C23179
+4u7,"C10,C9",C_0402_1005Metric,C23733
+180,"R1,R2",R_0805_2012Metric,C25270
+1SMAF4742A,D3,D_SMA,C3013762
+"BAT54C,215","D6,D8",SOT-23-3,C37704
+74LVC1G66,U3,SOT-23-5,C5375974
+3V3,D10,D_MiniMELF,C8056
+1n 100V,C1,C_1206_3216Metric,C9196
+47u 10V,"C11,C12,C7,C8",C_1206_3216Metric,C96123

hardware/jlcpcb/production_files/CPL-avclan-mockingboard-rounded.csv

@@ -0,0 +1,36 @@
+Designator,Val,Package,Mid X,Mid Y,Rotation,Layer
+C1,1n 100V,C_1206_3216Metric,41.4,-14.1,180,top
+C2,10u 50V,C_1206_3216Metric,42.925,-25.8,0,top
+C3,10u 50V,C_1206_3216Metric,42.925,-28.1,0,top
+C4,10u 50V,C_1206_3216Metric,39.4,-26.925,90,top
+C5,1u 50V,C_0603_1608Metric,36.675,-28.7,0,top
+C6,1u 50V,C_0603_1608Metric,36.125,-37.3,0,top
+C7,47u 10V,C_1206_3216Metric,33,-30.725,90,top
+C8,47u 10V,C_1206_3216Metric,33,-35.375,-90,top
+C9,4u7,C_0402_1005Metric,23.448236,-33.385,0,top
+C10,4u7,C_0402_1005Metric,18.6625,-15.53,-90,top
+C11,47u 10V,C_1206_3216Metric,8.625,-13.8,180,top
+C12,47u 10V,C_1206_3216Metric,3.2,-7.675,90,top
+D1,SS210,D_SMA,47.4,-14.6,0,top
+D2,SS210,D_SMA,41.7,-18.2,0,top
+D3,1SMAF4742A,D_SMA,49.395,-8.609669,-90,top
+D4,SM6T15A,D_SMB,41.55,-22.3,0,top
+D6,"BAT54C,215",SOT-23-3,26.8,-30,180,top
+D7,"BAT54A,215",SOT-23-3,26.7375,-25.05,180,top
+D8,"BAT54C,215",SOT-23-3,29.7375,-35.65,180,top
+D9,KT-0603R,LED_0603_1608Metric,17.171618,-18.7,0,top
+D10,3V3,D_MiniMELF,24.8,-17.25,180,top
+R1,180,R_0805_2012Metric,34.4125,-16.4875,90,top
+R2,180,R_0805_2012Metric,32.5125,-16.4875,90,top
+R3,120,R_0805_2012Metric,33.5,-13.775,0,top
+R4,10k,R_0603_1608Metric,36.2125,-16.475,90,top
+R5,10k,R_0603_1608Metric,14.025,-13.440331,180,top
+R6,10k,R_0603_1608Metric,14.025,-11.950331,180,top
+R7,10k,R_0603_1608Metric,24.325,-15.325,0,top
+R8,10k,R_0603_1608Metric,24.325,-13.825,0,top
+R9,10k,R_0603_1608Metric,26.55,-14.6,90,top
+R10,470,R_0603_1608Metric,14.159118,-18.7,180,top
+R11,470,R_0603_1608Metric,5.625,-28.6,180,top
+R12,15,R_0603_1608Metric,8,-11.9,0,top
+R13,15,R_0603_1608Metric,3.225,-4.6,180,top
+U3,74LVC1G66,SOT-23-5,16.0625,-16.05,180,top

hardware/local.kicad_sym

@@ -0,0 +1,36 @@
+(kicad_symbol_lib (version 20220914) (generator kicad_symbol_editor)
+  (symbol "XC6701" (in_bom yes) (on_board yes)
+    (property "Reference" "U" (at 0 5.08 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Value" "" (at 0 0 0)
+      (effects (font (size 1.27 1.27)))
+    )
+    (property "Footprint" "" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (property "Datasheet" "" (at 0 0 0)
+      (effects (font (size 1.27 1.27)) hide)
+    )
+    (symbol "XC6701_0_0"
+      (pin power_in line (at -8.89 1.27 0) (length 2.54)
+        (name "Vin" (effects (font (size 1.27 1.27))))
+        (number "1" (effects (font (size 1.27 1.27))))
+      )
+      (pin power_in line (at 0 -6.35 90) (length 2.54)
+        (name "GND" (effects (font (size 1.27 1.27))))
+        (number "2" (effects (font (size 1.27 1.27))))
+      )
+      (pin power_out line (at 8.89 1.27 180) (length 2.54)
+        (name "Vout" (effects (font (size 1.27 1.27))))
+        (number "3" (effects (font (size 1.27 1.27))))
+      )
+    )
+    (symbol "XC6701_1_1"
+      (rectangle (start -6.35 3.81) (end 6.35 -3.81)
+        (stroke (width 0) (type default))
+        (fill (type background))
+      )
+    )
+  )
+)

hardware/sym-lib-table

@@ -0,0 +1,5 @@
+(sym_lib_table
+  (version 7)
+  (lib (name "local")(type "KiCad")(uri "${KIPRJMOD}/local.kicad_sym")(options "")(descr ""))
+  (lib (name "audio")(type "Legacy")(uri "${KIPRJMOD}/SJ-43514.lib")(options "")(descr ""))
+)

scripts/install-toolchain.sh

@@ -0,0 +1 @@
+sudo apk add make cmake avrdude avr-libc gcc-avr

scripts/packet-analysis/Manifest.toml

@@ -0,0 +1,251 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.10.0"
+manifest_format = "2.0"
+project_hash = "2d299f8e3abb5302e3c8ed5120acc4d9928016b1"
+
+[[deps.ArgTools]]
+uuid = "0dad84c5-d112-42e6-8d28-ef12dabb789f"
+version = "1.1.1"
+
+[[deps.Artifacts]]
+uuid = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
+
+[[deps.Base64]]
+uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
+
+[[deps.Compat]]
+deps = ["UUIDs"]
+git-tree-sha1 = "886826d76ea9e72b35fcd000e535588f7b60f21d"
+uuid = "34da2185-b29b-5c13-b0c7-acf172513d20"
+version = "4.10.1"
+
+    [deps.Compat.extensions]
+    CompatLinearAlgebraExt = "LinearAlgebra"
+
+    [deps.Compat.weakdeps]
+    Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+    LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+
+[[deps.Dates]]
+deps = ["Printf"]
+uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
+
+[[deps.Downloads]]
+deps = ["ArgTools", "FileWatching", "LibCURL", "NetworkOptions"]
+uuid = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
+version = "1.6.0"
+
+[[deps.ExprTools]]
+git-tree-sha1 = "27415f162e6028e81c72b82ef756bf321213b6ec"
+uuid = "e2ba6199-217a-4e67-a87a-7c52f15ade04"
+version = "0.1.10"
+
+[[deps.FileWatching]]
+uuid = "7b1f6079-737a-58dc-b8bc-7a2ca5c1b5ee"
+
+[[deps.InlineStrings]]
+deps = ["Parsers"]
+git-tree-sha1 = "9cc2baf75c6d09f9da536ddf58eb2f29dedaf461"
+uuid = "842dd82b-1e85-43dc-bf29-5d0ee9dffc48"
+version = "1.4.0"
+
+[[deps.InteractiveUtils]]
+deps = ["Markdown"]
+uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+
+[[deps.JLLWrappers]]
+deps = ["Artifacts", "Preferences"]
+git-tree-sha1 = "7e5d6779a1e09a36db2a7b6cff50942a0a7d0fca"
+uuid = "692b3bcd-3c85-4b1f-b108-f13ce0eb3210"
+version = "1.5.0"
+
+[[deps.LazyArtifacts]]
+deps = ["Artifacts", "Pkg"]
+uuid = "4af54fe1-eca0-43a8-85a7-787d91b784e3"
+
+[[deps.LibCURL]]
+deps = ["LibCURL_jll", "MozillaCACerts_jll"]
+uuid = "b27032c2-a3e7-50c8-80cd-2d36dbcbfd21"
+version = "0.6.4"
+
+[[deps.LibCURL_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll", "Zlib_jll", "nghttp2_jll"]
+uuid = "deac9b47-8bc7-5906-a0fe-35ac56dc84c0"
+version = "8.4.0+0"
+
+[[deps.LibGit2]]
+deps = ["Base64", "LibGit2_jll", "NetworkOptions", "Printf", "SHA"]
+uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
+
+[[deps.LibGit2_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll"]
+uuid = "e37daf67-58a4-590a-8e99-b0245dd2ffc5"
+version = "1.6.4+0"
+
+[[deps.LibSSH2_jll]]
+deps = ["Artifacts", "Libdl", "MbedTLS_jll"]
+uuid = "29816b5a-b9ab-546f-933c-edad1886dfa8"
+version = "1.11.0+1"
+
+[[deps.LibSerialPort]]
+deps = ["Libdl", "libserialport_jll"]
+git-tree-sha1 = "69403284a6217f6e60e76553032a103893b7d910"
+uuid = "a05a14c7-6e3b-5ba9-90a2-45558833e1df"
+version = "0.5.2"
+
+[[deps.Libdl]]
+uuid = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+
+[[deps.Logging]]
+uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
+
+[[deps.Markdown]]
+deps = ["Base64"]
+uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
+
+[[deps.MbedTLS_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "c8ffd9c3-330d-5841-b78e-0817d7145fa1"
+version = "2.28.2+1"
+
+[[deps.Mmap]]
+uuid = "a63ad114-7e13-5084-954f-fe012c677804"
+
+[[deps.Mocking]]
+deps = ["Compat", "ExprTools"]
+git-tree-sha1 = "4cc0c5a83933648b615c36c2b956d94fda70641e"
+uuid = "78c3b35d-d492-501b-9361-3d52fe80e533"
+version = "0.7.7"
+
+[[deps.MozillaCACerts_jll]]
+uuid = "14a3606d-f60d-562e-9121-12d972cd8159"
+version = "2023.1.10"
+
+[[deps.NetworkOptions]]
+uuid = "ca575930-c2e3-43a9-ace4-1e988b2c1908"
+version = "1.2.0"
+
+[[deps.Parsers]]
+deps = ["Dates", "PrecompileTools", "UUIDs"]
+git-tree-sha1 = "8489905bcdbcfac64d1daa51ca07c0d8f0283821"
+uuid = "69de0a69-1ddd-5017-9359-2bf0b02dc9f0"
+version = "2.8.1"
+
+[[deps.PcapTools]]
+deps = ["Dates", "Mmap", "UnixTimes", "UnsafeArrays"]
+path = "dev/PcapTools"
+uuid = "222fe7e8-3f39-464a-bf97-d9bbb753f246"
+version = "1.1.1"
+
+[[deps.Pkg]]
+deps = ["Artifacts", "Dates", "Downloads", "FileWatching", "LibGit2", "Libdl", "Logging", "Markdown", "Printf", "REPL", "Random", "SHA", "Serialization", "TOML", "Tar", "UUIDs", "p7zip_jll"]
+uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+version = "1.10.0"
+
+[[deps.PrecompileTools]]
+deps = ["Preferences"]
+git-tree-sha1 = "03b4c25b43cb84cee5c90aa9b5ea0a78fd848d2f"
+uuid = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
+version = "1.2.0"
+
+[[deps.Preferences]]
+deps = ["TOML"]
+git-tree-sha1 = "00805cd429dcb4870060ff49ef443486c262e38e"
+uuid = "21216c6a-2e73-6563-6e65-726566657250"
+version = "1.4.1"
+
+[[deps.Printf]]
+deps = ["Unicode"]
+uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
+
+[[deps.REPL]]
+deps = ["InteractiveUtils", "Markdown", "Sockets", "Unicode"]
+uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
+
+[[deps.Random]]
+deps = ["SHA"]
+uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+
+[[deps.SHA]]
+uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
+version = "0.7.0"
+
+[[deps.Scratch]]
+deps = ["Dates"]
+git-tree-sha1 = "3bac05bc7e74a75fd9cba4295cde4045d9fe2386"
+uuid = "6c6a2e73-6563-6170-7368-637461726353"
+version = "1.2.1"
+
+[[deps.Serialization]]
+uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
+
+[[deps.Sockets]]
+uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
+
+[[deps.TOML]]
+deps = ["Dates"]
+uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
+version = "1.0.3"
+
+[[deps.TZJData]]
+deps = ["Artifacts"]
+git-tree-sha1 = "d39314cdbaf5b90a047db33858626f8d1cc973e1"
+uuid = "dc5dba14-91b3-4cab-a142-028a31da12f7"
+version = "1.0.0+2023c"
+
+[[deps.Tar]]
+deps = ["ArgTools", "SHA"]
+uuid = "a4e569a6-e804-4fa4-b0f3-eef7a1d5b13e"
+version = "1.10.0"
+
+[[deps.TimeZones]]
+deps = ["Artifacts", "Dates", "Downloads", "InlineStrings", "LazyArtifacts", "Mocking", "Printf", "Scratch", "TZJData", "Unicode", "p7zip_jll"]
+git-tree-sha1 = "89e64d61ef3cd9e80f7fc12b7d13db2d75a23c03"
+uuid = "f269a46b-ccf7-5d73-abea-4c690281aa53"
+version = "1.13.0"
+
+    [deps.TimeZones.extensions]
+    TimeZonesRecipesBaseExt = "RecipesBase"
+
+    [deps.TimeZones.weakdeps]
+    RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
+
+[[deps.UUIDs]]
+deps = ["Random", "SHA"]
+uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+
+[[deps.Unicode]]
+uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
+
+[[deps.UnixTimes]]
+deps = ["Dates", "TimeZones"]
+git-tree-sha1 = "406de9a6ee22f2030477ed7a50455aef3038bd4b"
+uuid = "ab1a18e7-b408-4913-896c-624bb82ed7f4"
+version = "1.3.0"
+
+[[deps.UnsafeArrays]]
+git-tree-sha1 = "e7f1c67ba99ac6df440de191fa4d5cbfcbdddcd1"
+uuid = "c4a57d5a-5b31-53a6-b365-19f8c011fbd6"
+version = "1.0.5"
+
+[[deps.Zlib_jll]]
+deps = ["Libdl"]
+uuid = "83775a58-1f1d-513f-b197-d71354ab007a"
+version = "1.2.13+1"
+
+[[deps.libserialport_jll]]
+deps = ["Artifacts", "JLLWrappers", "Libdl", "Pkg"]
+git-tree-sha1 = "aacc5af8e8ba0b48a6feadac7afd4bca5d4e98d8"
+uuid = "220460dc-b50e-5ed0-8176-09b0fd261e90"
+version = "0.1.3+0"
+
+[[deps.nghttp2_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "8e850ede-7688-5339-a07c-302acd2aaf8d"
+version = "1.52.0+1"
+
+[[deps.p7zip_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
+version = "17.4.0+2"

scripts/packet-analysis/Project.toml

@@ -0,0 +1,10 @@
+name = "AVCLANPipe"
+uuid = "bfacebfd-1bd5-49e7-81bd-5edd8f4074de"
+authors = ["Allen Hill <allenofthehills@gmail.com>"]
+version = "0.1.0"
+
+[deps]
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+LibSerialPort = "a05a14c7-6e3b-5ba9-90a2-45558833e1df"
+PcapTools = "222fe7e8-3f39-464a-bf97-d9bbb753f246"
+UnixTimes = "ab1a18e7-b408-4913-896c-624bb82ed7f4"

scripts/packet-analysis/README.md

@@ -0,0 +1,11 @@
+# Packet analysis with Wireshark
+
+- Install the Lua IEBUS/AVCLAN packet dissector to the Wireshark Lua Plugins folder
+    - Look in Help > About Wireshark dialog, Folders tab, "Personal Lua Plugins". It was `~/.local/lib/wireshark/plugins` for me, but it didn't exist until I manually created it.
+    - Copy or link `avclan_plugin.lua` to the Wireshark Lua Pluginds folder
+        - Linking is more convenient if modifying/developing the dissector
+          `ln -s $(pwd)/avclan_plugin.lua ~/.local/lib/wireshark/plugins/avclan_plugin.lua`
+- Install Julia and needed packages (I recommend using [juliaup](https://github.com/JuliaLang/juliaup) or an official binary from the Julialang website. Binaries from your distribution are typically out of date and/or built incorrectly.)
+    - From this folder, start Julia with the local project environment using `julia --project=@.`
+    - Run `] instantiate` to install the necessary Julia packages
+- Run `julia src/pipepackets.jl | wireshark -k -i -` to pipe packets logged by the Mockingboard over serial into Wireshark. If the Lua dissector is installed correctly, the packets should be correctly recognized and dissected as IEBUS/AVCLAN packets

scripts/packet-analysis/avclan_plugin.lua

@@ -0,0 +1,583 @@
+--[[
+    Copyright (C) 2023 Allen Hill <allenofthehills@gmail.com>
+
+    Portions of the following are based on code from libsigrokdecode PR that is
+    copyright (C) 2023 Maciej Grela <enki@fsck.pl>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+--]]
+
+local iebusproto = Proto("iebus", "IEBus protocol")
+
+local f_broadcast = ProtoField.bool("iebus.broadcast", "Broadcast", base.NONE, { [1] = "false", [2] = "true" })
+local f_controller_addr = ProtoField.uint16("iebus.controller", "Controller address", base.HEX, nil, 0x0FFF)
+local f_peripheral_addr = ProtoField.uint16("iebus.peripheral", "Peripheral address", base.HEX, nil, 0x0FFF)
+local f_control = ProtoField.uint8("iebus.control", "Control field", base.HEX)
+local f_length = ProtoField.uint8("iebus.length", "Data length", base.DEC)
+local f_data = ProtoField.bytes("iebus.data", "Frame data", base.SPACE)
+
+iebusproto.fields = {
+    f_broadcast,
+    f_controller_addr,
+    f_peripheral_addr,
+    f_control,
+    f_length,
+    f_data
+}
+
+local controlbits = {
+    [0x0] = "READ PERIPH STATUS (SSR)",
+    [0x1] = "UNDEFINED",
+    [0x2] = "UNDEFINED",
+    [0x3] = "READ & LOCK DATA",
+    [0x4] = "READ LOCK ADDR (lo8)",
+    [0x5] = "READ LOCK ADDR (hi4)",
+    [0x6] = "READ & UNLOCK PERIPH STATUS (SSR)",
+    [0x7] = "READ DATA",
+    [0x8] = "UNDEFINED",
+    [0x9] = "UNDEFINED",
+    [0xA] = "WRITE & LOCK CMD",
+    [0xB] = "WRITE & LOCK DATA",
+    [0xC] = "UNDEFINED",
+    [0xD] = "UNDEFINED",
+    [0xE] = "WRITE CMD",
+    [0xF] = "WRITE DATA"
+}
+
+local periphstatusbits = {
+    [0] = "TX BUFFER EMPTY",
+    [1] = "RX BUFFER EMPTY",
+    [2] = "UNIT LOCKED",
+    [4] = "TX ENABLED",
+    [6] = "IEBUS MODE 1",
+    [7] = "IEBUS MODE 2",
+}
+
+-- Expert info for unknown packet types, set as group PI_UNDECODED, severity PI_NOTE or PI_WARN
+-- Expert info for LAN Check [0x3, SW_ID, 0x01, 0x20] as severity PI_CHAT
+
+function iebusproto.dissector(buffer, pinfo, tree)
+    length = buffer:len()
+    if length == 0 then return end
+
+    pinfo.cols.protocol = iebusproto.name
+
+    local subtree = tree:add(iebusproto, buffer(), "IEBus frame")
+
+    subtree:add_le(f_broadcast, buffer(0,1))
+    pinfo.cols.src = buffer(1,2):bytes():tohex():sub(2,-1)
+    pinfo.cols.dst = buffer(3,2):bytes():tohex():sub(2,-1)
+
+    local control_item, control = subtree:add_packet_field(f_control, buffer(5,1), ENC_LITTLE_ENDIAN)
+    -- print("control val" .. control)
+    control_item:append_text(" (" .. controlbits[buffer(5,1):uint()] .. ")")
+
+    local _, datalen = subtree:add_packet_field(f_length, buffer(6,1), ENC_LITTLE_ENDIAN)
+
+    local data = subtree:add(iebusproto, buffer(), "IEBus message")
+    data:add(f_data, buffer(7, datalen))
+
+end
+
+local udlt = DissectorTable.get("wtap_encap")
+udlt:add(wtap.USER15, iebusproto)
+
+local avclanproto = Proto("avclan", "AVCLAN protocol")
+
+local known_devices_names = {
+    ["COMM_CTRL"] = 0x01,
+    ["COMMUNICATION v1"] = 0x11,
+    ["COMMUNICATION v2"] = 0x12,
+    ["SW"] = 0x21,
+    ["SW_NAME"] = 0x23,
+    ["SW_CONVERTING"] = 0x24,
+    ["CMD_SW"] = 0x25,
+    ["STATUS"] = 0x31,
+    ["BEEP_HU"] = 0x28,
+    ["BEEP_SPEAKERS"] = 0x29,
+    ["FRONT_PSNG_MONITOR"] = 0x34,
+    ["CD_CHANGER2"] = 0x43,
+    ["BLUETOOTH_TEL"] = 0x55,
+    ["INFO_DRAWING"] = 0x56,
+    ["NAV_ECU"] = 0x58,
+    ["CAMERA"] = 0x5C,
+    ["CLIMATE_DRAWING"] = 0x5D,
+    ["AUDIO_DRAWING"] = 0x5E,
+    ["TRIP_INFO_DRAWING"] = 0x5F,
+    ["TUNER"] = 0x60,
+    ["TAPE_DECK"] = 0x61,
+    ["CD"] = 0x62,
+    ["CD_CHANGER"] = 0x63,
+    ["AUDIO_AMP"] = 0x74,
+    ["GPS"] = 0x80,
+    ["VOICE_CTRL"] = 0x85,
+    ["CLIMATE_CTRL_DEV"] = 0xE0,
+    ["TRIP_INFO"] = 0xE5,
+}
+
+local known_devices = {
+    [0x01] = "COMM_CTRL",
+    [0x11] = "COMMUNICATION v1",
+    [0x12] = "COMMUNICATION v2",
+    [0x21] = "SW",
+    [0x23] = "SW_NAME",
+    [0x24] = "SW_CONVERTING",
+    [0x25] = "CMD_SW",
+    [0x31] = "STATUS",
+    [0x28] = "BEEP_HU",
+    [0x29] = "BEEP_SPEAKERS",
+    [0x34] = "FRONT_PSNG_MONITOR",
+    [0x43] = "CD_CHANGER2",
+    [0x55] = "BLUETOOTH_TEL",
+    [0x56] = "INFO_DRAWING",
+    [0x58] = "NAV_ECU",
+    [0x5C] = "CAMERA",
+    [0x5D] = "CLIMATE_DRAWING",
+    [0x5E] = "AUDIO_DRAWING",
+    [0x5F] = "TRIP_INFO_DRAWING",
+    [0x60] = "TUNER",
+    [0x61] = "TAPE_DECK",
+    [0x62] = "CD",
+    [0x63] = "CD_CHANGER",
+    [0x74] = "AUDIO_AMP",
+    [0x80] = "GPS",
+    [0x85] = "VOICE_CTRL",
+    [0xE0] = "CLIMATE_CTRL_DEV",
+    [0xE5] = "TRIP_INFO",
+}
+
+local f_from_device = ProtoField.uint8("avclan.from_device", "From device", base.HEX, known_devices)
+local f_to_device = ProtoField.uint8("avclan.to_device", "To device", base.HEX, known_devices)
+local f_active_device = ProtoField.uint8("avclan.active_device", "Active device", base.HEX, known_devices)
+
+local known_actions_names = {
+    -- LAN related
+    ["LIST_FUNCTIONS_REQ"] = 0x00,
+    ["LIST_FUNCTIONS_RESP"] = 0x10,
+    ["RESTART_LAN"] = 0x01,
+    ["LANCHECK_END_REQ"] = 0x08,
+    ["LANCHECK_END_RESP"] = 0x18,
+    ["LANCHECK_SCAN_REQ"] = 0x0a,
+    ["LANCHECK_SCAN_RESP"] = 0x1a,
+    ["LANCHECK_REQ"] = 0x0c,
+    ["LANCHECK_RESP"] = 0x1c,
+    ["PING_REQ"] = 0x20,
+    ["PING_RESP"] = 0x30,
+
+    -- Device switching
+    ["DISABLE_FUNCTION_REQ"] = 0x43,
+    ["DISABLE_FUNCTION_RESP"] = 0x53,
+    ["ENABLE_FUNCTION_REQ"] = 0x42,
+    ["ENABLE_FUNCTION_RESP"] = 0x52,
+
+    ["ADVERTISE_FUNCTION"] = 0x45,
+    ["GENERAL_QUERY"] = 0x46,
+
+    -- Physical interface
+    ["EJECT"] = 0x80,
+    ["DISC_UP"] = 0x90,
+    ["DISC_DOWN"] = 0x91,
+    ["PWRVOL_KNOB_RIGHTHAND_TURN"] = 0x9c,
+    ["PWRVOL_KNOB_LEFTHAND_TURN"] = 0x9d,
+    ["TRACK_SEEK_UP"] = 0x94,
+    ["TRACK_SEEK_DOWN"] = 0x95,
+    ["CD_ENABLE_SCAN"] = 0xa6,
+    ["CD_DISABLE_SCAN"] = 0xa7,
+    ["CD_ENABLE_REPEAT"] = 0xa0,
+    ["CD_DISABLE_REPEAT"] = 0xa1,
+    ["CD_ENABLE_RANDOM"] = 0xb0,
+    ["CD_DISABLE_RANDOM"] = 0xb1,
+
+    -- CD functions
+    -- Events
+    ["INSERTED_CD"] = 0x50,
+    ["REMOVED_CD"] = 0x51,
+
+    -- Requests
+    ["REQUEST_REPORT"] = 0xe0,
+    ["REQUEST_REPORT2"] = 0xe2,
+    ["REQUEST_LOADER2"] = 0xe4,
+    ["REQUEST_TRACK_NAME"] = 0xed,
+
+    -- Reports
+    ["REPORT"] = 0xf1,
+    ["REPORT2"] = 0xf2,
+    ["REPORT_LOADER"] = 0xf3,
+    ["REPORT_LOADER2"] = 0xf4,
+    ["REPORT_TOC"] = 0xf9,
+    ["REPORT_TRACK_NAME"] = 0xfd,
+}
+local known_actions = {
+    -- LAN related
+    [0x00] = "LIST_FUNCTIONS_REQ",
+    [0x10] = "LIST_FUNCTIONS_RESP",
+    [0x01] = "RESTART_LAN",
+    [0x08] = "LANCHECK_END_REQ",
+    [0x18] = "LANCHECK_END_RESP",
+    [0x0a] = "LANCHECK_SCAN_REQ",
+    [0x1a] = "LANCHECK_SCAN_RESP",
+    [0x0c] = "LANCHECK_REQ",
+    [0x1c] = "LANCHECK_RESP",
+    [0x20] = "PING_REQ",
+    [0x30] = "PING_RESP",
+
+    -- Used when HU is switching between Radio and CD
+    [0x43] = "DISABLE_FUNCTION_REQ",
+    [0x53] = "DISABLE_FUNCTION_RESP",
+    [0x42] = "ENABLE_FUNCTION_REQ",
+    [0x52] = "ENABLE_FUNCTION_RESP",
+
+    [0x45] = "ADVERTISE_FUNCTION",
+    [0x46] = "GENERAL_QUERY",
+
+    -- Physical interface
+    [0x80] = "EJECT",
+    [0x90] = "DISC_UP",
+    [0x91] = "DISC_DOWN",
+    [0x9c] = "PWRVOL_KNOB_RIGHTHAND_TURN",
+    [0x9d] = "PWRVOL_KNOB_LEFTHAND_TURN",
+    [0x94] = "TRACK_SEEK_UP",
+    [0x95] = "TRACK_SEEK_DOWN",
+    [0xa6] = "CD_ENABLE_SCAN",
+    [0xa7] = "CD_DISABLE_SCAN",
+    [0xa0] = "CD_ENABLE_REPEAT",
+    [0xa1] = "CD_DISABLE_REPEAT",
+    [0xb0] = "CD_ENABLE_RANDOM",
+    [0xb1] = "CD_DISABLE_RANDOM",
+
+    -- CD functions
+    -- Events
+    [0x50] = "INSERTED_CD",
+    [0x51] = "REMOVED_CD",
+
+    -- Requests
+    [0xe0] = "REQUEST_REPORT",
+    [0xe2] = "REQUEST_REPORT2",
+    [0xe4] = "REQUEST_LOADER2",
+    [0xed] = "REQUEST_TRACK_NAME",
+
+    -- Reports
+    [0xf1] = "REPORT",
+    [0xf2] = "REPORT2",
+    [0xf3] = "REPORT_LOADER",
+    [0xf4] = "REPORT_LOADER2",
+    [0xf9] = "REPORT_TOC",
+    [0xfd] = "REPORT_TRACK_NAME",
+}
+
+local f_action = ProtoField.uint8("avclan.action", "Action", base.HEX, known_actions)
+local f_functions = ProtoField.bytes("avclan.functions", "Functions", base.SPACE, "Device functions")
+
+local f_ping_count = ProtoField.uint8("avclan.ping.count", "Ping count")
+
+local f_radio_active = ProtoField.bool("avclan.radio.active", "Radio", base.NONE, {"ON", "OFF"})
+local f_radio_status = ProtoField.uint8("avclan.radio.status", "Radio status", base.HEX,
+    {
+        [0x00] = "OFF",
+        [0x01] = "READY",
+        [0x06] = "SCAN UP",
+        [0x07] = "SCAN DOWN",
+        [0x0A] = "AST SEARCH",
+        [0x27] = "MANUAL"
+    }
+)
+local f_radio_flags = ProtoField.uint8("avclan.radio.flags", "Radio flags")
+local f_radio_flags2 = ProtoField.uint8("avclan.radio.flags2", "Radio flags (byte 2)")
+
+local f_radioflag_st = ProtoField.bool("avclan.radio.flags.st", "Stereo", 8, {"Set", "Not set"}, 0x04)
+local f_radioflag_ta = ProtoField.bool("avclan.radio.flags.ta", "TA", 8, {"Set", "Not set"}, 0x08)
+local f_radioflag_reg = ProtoField.bool("avclan.radio.flags.reg", "REG", 8, {"Set", "Not set"}, 0x10)
+local f_radioflag_af = ProtoField.bool("avclan.radio.flags.af", "AF", 8, {"Set", "Not set"}, 0x40)
+
+local f_radio_band = ProtoField.uint8("avclan.radio.band", "Radio band", base.HEX, 
+    {[0x8] = "FM", [0xC] = "AM (Long-wave)", [0x0] = "AM (Medium-wave)"}, 0xF0)
+local f_radio_bandnumber = ProtoField.int8("avclan.radio.bandnumber", "Radio band number", base.DEC, nil, 0x0F)
+local f_radio_freq = ProtoField.uint16("avclan.radio.freq", "Radio frequency")
+
+local f_amp_volume = ProtoField.uint8("avclan.amp.volume", "Volume", base.DEC)
+local f_amp_bass = ProtoField.uint8("avclan.amp.bass", "Bass", base.HEX, {
+    [0x0B] = "-5", [0x0C] = "-4", [0x0D] = "-3", [0x0E] = "-2", [0x0F] = "-1",
+    [0x10] = "0",
+    [0x11] = "+1", [0x12] = "+2", [0x13] = "+3", [0x14] = "+4", [0x15] = "+5"
+})
+local f_amp_mid = ProtoField.uint8("avclan.amp.mid", "Mid", base.HEX, {
+    [0x0B] = "-5", [0x0C] = "-4", [0x0D] = "-3", [0x0E] = "-2", [0x0F] = "-1",
+    [0x10] = "0",
+    [0x11] = "+1", [0x12] = "+2", [0x13] = "+3", [0x14] = "+4", [0x15] = "+5"
+})
+local f_amp_treble = ProtoField.uint8("avclan.amp.treble", "Treble", base.HEX, {
+    [0x0B] = "-5", [0x0C] = "-4", [0x0D] = "-3", [0x0E] = "-2", [0x0F] = "-1",
+    [0x10] = "0",
+    [0x11] = "+1", [0x12] = "+2", [0x13] = "+3", [0x14] = "+4", [0x15] = "+5"
+})
+local f_amp_fade = ProtoField.uint8("avclan.amp.fade", "Fade (forward/rear)", base.HEX, {
+    [0x09] = "-7", [0x0A] = "-6", [0x0B] = "-5", [0x0C] = "-4", [0x0D] = "-3", [0x0E] = "-2", [0x0F] = "-1",
+    [0x10] = "0",
+    [0x11] = "+1", [0x12] = "+2", [0x13] = "+3", [0x14] = "+4", [0x15] = "+5", [0x16] = "+6", [0x17] = "+7"
+})
+local f_amp_balance = ProtoField.uint8("avclan.amp.balance", "Balance (right/left)", base.HEX, {
+    [0x09] = "-7", [0x0A] = "-6", [0x0B] = "-5", [0x0C] = "-4", [0x0D] = "-3", [0x0E] = "-2", [0x0F] = "-1",
+    [0x10] = "0",
+    [0x11] = "+1", [0x12] = "+2", [0x13] = "+3", [0x14] = "+4", [0x15] = "+5", [0x16] = "+6", [0x17] = "+7"
+})
+
+local f_cd_slots = ProtoField.uint8("avclan.cd.slots", "CD player disc slots")
+local f_cd_slot1 = ProtoField.bool("avclan.cd.slot1", "Slot 1", 6, {"Filled", "Empty"}, 0x01)
+local f_cd_slot2 = ProtoField.bool("avclan.cd.slot1", "Slot 2", 6, {"Filled", "Empty"}, 0x02)
+local f_cd_slot3 = ProtoField.bool("avclan.cd.slot1", "Slot 3", 6, {"Filled", "Empty"}, 0x04)
+local f_cd_slot4 = ProtoField.bool("avclan.cd.slot1", "Slot 4", 6, {"Filled", "Empty"}, 0x08)
+local f_cd_slot5 = ProtoField.bool("avclan.cd.slot1", "Slot 5", 6, {"Filled", "Empty"}, 0x10)
+local f_cd_slot6 = ProtoField.bool("avclan.cd.slot1", "Slot 6", 6, {"Filled", "Empty"}, 0x20)
+
+local f_cd_state = ProtoField.uint8("avclan.cd.state", "CD player state")
+local f_cd_open = ProtoField.bool("avclan.cd.state.open", "OPEN", 8, nil, 0x01)
+local f_cd_err1 = ProtoField.bool("avclan.cd.state.err1", "ERR1", 8, nil, 0x02)
+local f_cd_seeking = ProtoField.bool("avclan.cd.state.seeking", "SEEKING", 8, nil, 0x08)
+local f_cd_playback = ProtoField.bool("avclan.cd.state.playback", "PLAYBACK", 8, nil, 0x10)
+local f_cd_seeking_track = ProtoField.bool("avclan.cd.state.seeking_track", "SEEKING_TRACK", 8, nil, 0x20)
+local f_cd_loading = ProtoField.bool("avclan.cd.state.loading", "LOADING", 8, nil, 0x80)
+
+local f_cd_disc = ProtoField.uint8("avclan.cd.disc", "Current disc", base.DEC)
+local f_cd_track = ProtoField.uint8("avclan.cd.track", "Track number", base.HEX)
+local f_cd_min = ProtoField.uint8("avclan.cd.mins", "CD track play time, minutes", base.HEX)
+local f_cd_sec = ProtoField.uint8("avclan.cd.secs", "CD track play time, seconds", base.HEX)
+
+local f_cd_flags = ProtoField.uint8("avclan.cd.flags", "CD player flags", base.HEX, {
+    [0x02] = "DISK_RANDOM",
+    [0x04] = "RANDOM",
+    [0x08] = "DISK_REPEAT",
+    [0x10] = "REPEAT",
+    [0x20] = "DISK_SCAN",
+    [0x40] = "SCAN",
+})
+
+avclanproto.fields = {
+    f_from_device,
+    f_to_device,
+    f_active_device,
+    f_action,
+    f_functions,
+    f_ping_count,
+    f_radio_active,
+    f_radio_status,
+    f_radio_flags,
+    f_radio_flags2,
+    f_radio_band,
+    f_radio_bandnumber,
+    f_radio_freq,
+    f_radioflag_af,
+    f_radioflag_reg,
+    f_radioflag_st,
+    f_radioflag_ta,
+    f_amp_volume,
+    f_amp_bass,
+    f_amp_mid,
+    f_amp_treble,
+    f_amp_fade,
+    f_amp_balance,
+    f_cd_slots,
+    f_cd_slot1,
+    f_cd_slot2,
+    f_cd_slot3,
+    f_cd_slot4,
+    f_cd_slot5,
+    f_cd_slot6,
+    f_cd_state,
+    f_cd_open,
+    f_cd_err1,
+    f_cd_seeking,
+    f_cd_playback,
+    f_cd_seeking_track,
+    f_cd_loading,
+    f_cd_disc,
+    f_cd_track,
+    f_cd_min,
+    f_cd_sec,
+    f_cd_flags,
+}
+
+local pe_unhandled_msg = ProtoExpert.new("avclan.expert", "Message not decoded",
+    expert.group.UNDECODED, expert.severity.WARN)
+-- local pe_lan_check = ProtoExpert.new("avclan.lan.expert", "")
+local pe_ping_req = ProtoExpert.new("avclan.ping_req.expert", "Ping request",
+    expert.group.SEQUENCE, expert.severity.CHAT)
+local pe_ping_resp = ProtoExpert.new("avclan.ping_resp.expert", "Ping response",
+    expert.group.SEQUENCE, expert.severity.CHAT)
+
+avclanproto.experts = {
+    pe_unhandled_msg,
+    pe_ping_req,
+    pe_ping_resp,
+}
+
+local field_from_device = Field.new("avclan.from_device")
+local field_to_device = Field.new("avclan.to_device")
+local field_action = Field.new("avclan.action")
+local field_radio_freq = Field.new("avclan.radio.freq")
+local field_radio_band = Field.new("avclan.radio.band")
+local field_cd_disc = Field.new("avclan.cd.disc")
+local field_cd_track = Field.new("avclan.cd.track")
+local field_cd_min = Field.new("avclan.cd.mins")
+local field_cd_sec = Field.new("avclan.cd.secs")
+
+function avclanproto.dissector(buffer, pinfo, tree)
+    local length = buffer:len()
+    if length == 0 then
+        return
+    end
+
+    iebusproto.dissector(buffer, pinfo, tree)
+
+    local subtree = tree:add(avclanproto, buffer(7,-1), "AVCLAN message")
+    local offset = 7
+    if buffer(7,1):uint() == 0 then
+        offset = 8
+        subtree:add(f_from_device, buffer(offset+0,1))
+        subtree:add(f_to_device, buffer(offset+1,1))
+    else
+        subtree:add(f_from_device, buffer(offset+0,1))
+        subtree:add(f_to_device, buffer(offset+1,1))
+    end
+
+    local from_device = field_from_device().value
+    local to_device = field_to_device().value
+
+    if from_device == known_devices_names["CMD_SW"] then
+        subtree:add(f_action, buffer(offset+2,1))
+    elseif from_device == known_devices_names["COMMUNICATION v1"] or
+      from_device == known_devices_names["COMMUNICATION v2"] then
+        if to_device == known_devices_names["COMM_CTRL"] then
+            subtree:add(f_action, buffer(offset+2,1))
+            local action = field_action().value
+            if action == known_actions_names["ADVERTISE_FUNCTION"] then
+                subtree:add(f_active_device, buffer(offset+3,1))
+            elseif action == known_actions_names["PING_REQ"] then
+                subtree:add(f_ping_count, buffer(offset+3,1))
+                subtree:add_proto_expert_info(pe_ping_req, "Ping request " .. buffer(offset+3,1):uint())
+            elseif known_actions[action] then
+            else
+                subtree:add_proto_expert_info(pe_unhandled_msg)
+            end
+        else
+            subtree:add_proto_expert_info(pe_unhandled_msg)
+        end
+    elseif from_device == known_devices_names["COMM_CTRL"] then
+        if to_device == known_devices_names["COMMUNICATION v1"] or
+        to_device == known_devices_names["COMMUNICATION v2"] then
+            local action_tree = subtree:add(f_action, buffer(offset+2,1))
+            local action = field_action().value
+            if action == known_actions_names["PING_RESP"] then
+                subtree:add(f_ping_count, buffer(offset+3,1))
+                subtree:add_proto_expert_info(pe_ping_resp, "Ping response " .. buffer(offset+3,1):uint())
+            elseif action == known_actions_names["LIST_FUNCTIONS_RESP"] then
+                local functions = action_tree:add(f_functions, buffer(offset+3))
+                functions:append_text(" (")
+                for v = 0,(buffer:bytes(offset+3)):len()-1 do
+                    if known_devices[buffer(offset+3+v,1):uint()] then
+                        functions:append_text(" " .. known_devices[buffer(offset+3+v,1):uint()])
+                    else
+                        functions:append_text(" UNKNOWN_DEVICE")
+                    end
+                end
+                functions:append_text(" ) ")
+            elseif known_actions[action] then
+            else
+                subtree:add_proto_expert_info(pe_unhandled_msg)
+            end
+        elseif to_device == known_actions_names["LANCHECK_SCAN_REQ"] or
+            to_device == known_actions_names["LANCHECK_REQ"] or
+            to_device == known_actions_names["LANCHECK_END_REQ"] then
+            subtree:add(f_action, buffer(offset+1,1))
+        elseif to_device == 0x00 then
+            subtree:add(f_action, buffer(offset+2,1))
+        else
+            subtree:add_proto_expert_info(pe_unhandled_msg)
+        end
+    elseif from_device == known_devices_names["STATUS"] then
+        subtree:add(f_action, buffer(offset+2,1))
+    elseif from_device == known_devices_names["TUNER"] then
+        subtree:add(f_action, buffer(offset+2,1))
+        local radiotree = subtree:add(avclanproto, buffer(offset,10), "Device: Radio")
+        radiotree:add_le(f_radio_active, buffer(offset+3,1))
+        radiotree:add_le(f_radio_status, buffer(offset+4,1))
+        radiotree:add_le(f_radio_band, buffer(offset+5,1))
+        radiotree:add(f_radio_bandnumber, buffer(offset+5,1))
+        local freqtree = radiotree:add(f_radio_freq, buffer(offset+6,2))
+        local radio_band = buffer(offset+5,1):uint()
+        local freq = field_radio_freq().value
+        if bit32.band(radio_band, 0xF0) == 0x80 then
+            freqtree:append_text(" (" .. 87.5+(freq-1)*.05 .. " MHz)")
+        elseif bit32.band(radio_band, 0xF0) == 0xC0 then
+            freqtree:append_text(" (" .. 153+(freq-1)*1 .. " kHz)")
+        elseif bit32.band(radio_band, 0xF0) == 0x00 then
+            freqtree:append_text(" (" .. 522+(freq-1)*9 .. " kHz)")
+        end
+
+        local flags = radiotree:add(f_radio_flags, buffer(15,1))
+        flags:add(f_radioflag_st, buffer(15,1))
+        flags:add(f_radioflag_ta, buffer(15,1))
+        flags:add(f_radioflag_reg, buffer(15,1))
+        flags:add(f_radioflag_af, buffer(15,1))
+        radiotree:add(f_radio_flags2, buffer(16,1))
+    elseif from_device == known_devices_names["AUDIO_AMP"] then
+        subtree:add(f_action, buffer(offset+2,1))
+        local amptree = subtree:add(avclanproto, buffer(offset,10), "Device: Audio amplifier")
+        
+        amptree:add(f_amp_volume, buffer(offset+4,1))
+        amptree:add(f_amp_balance, buffer(offset+5,1))
+        amptree:add(f_amp_fade, buffer(offset+6,1))
+        amptree:add(f_amp_bass, buffer(offset+7,1))
+        amptree:add(f_amp_mid, buffer(offset+8,1))
+        amptree:add(f_amp_treble, buffer(offset+9,1))
+    elseif from_device == known_devices_names["CD"] or
+      from_device == known_devices_names["CD_CHANGER"] or
+      from_device == known_devices_names["CD_CHANGER2"] then
+        subtree:add(f_action, buffer(offset+2,1))
+
+        local action = field_action().value
+        if action == known_actions_names["REPORT"] then
+            local cdtree = subtree:add(avclanproto, buffer(offset,9), "Device: CD player")
+            local cd_slots = cdtree:add(f_cd_slots, buffer(offset+3,1))
+            cd_slots:add(f_cd_slot1, buffer(offset+3,1))
+            cd_slots:add(f_cd_slot2, buffer(offset+3,1))
+            cd_slots:add(f_cd_slot3, buffer(offset+3,1))
+            cd_slots:add(f_cd_slot4, buffer(offset+3,1))
+            cd_slots:add(f_cd_slot5, buffer(offset+3,1))
+            cd_slots:add(f_cd_slot6, buffer(offset+3,1))
+    
+            local cd_state = cdtree:add(f_cd_state, buffer(offset+4,1))
+            cd_state:add(f_cd_open, buffer(offset+4,1))
+            cd_state:add(f_cd_err1, buffer(offset+4,1))
+            cd_state:add(f_cd_seeking, buffer(offset+4,1))
+            cd_state:add(f_cd_playback, buffer(offset+4,1))
+            cd_state:add(f_cd_seeking_track, buffer(offset+4,1))
+            cd_state:add(f_cd_loading, buffer(offset+4,1))
+            local cd_status = cdtree:add(avclanproto, buffer(offset+5,-1), "")
+            cd_status:add(f_cd_disc, buffer(offset+5,1))
+            cd_status:add(f_cd_track, buffer(offset+6,1))
+            cd_status:add(f_cd_min, buffer(offset+7,1))
+            cd_status:add(f_cd_sec, buffer(offset+8,1))
+            cd_status:append_text("Disc " .. field_cd_disc().value .. ", ")
+            cd_status:append_text("track " .. tostring(buffer(offset+6,1)):gsub("(.)(.)", "%1%2") .. ", ")
+            cd_status:append_text("time " .. tostring(buffer(offset+7,1)):gsub("0x(.)(.)", "%1%2") .. ":")
+            cd_status:append_text(tostring(buffer(offset+8,1)):gsub("(.)(.)", "%1%2"))
+            cdtree:add(f_cd_flags, buffer(offset+9,1))
+        end
+    else
+        subtree:add_proto_expert_info(pe_unhandled_msg)
+    end
+end
+
+-- for i,v in ipairs(DissectorTable.list()) do print(v) end
+udlt:add(wtap.USER15, avclanproto)

scripts/packet-analysis/dev/PcapTools/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2020 Christian Rorvik <christian.rorvik@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

scripts/packet-analysis/dev/PcapTools/Project.toml

@@ -0,0 +1,21 @@
+name = "PcapTools"
+uuid = "222fe7e8-3f39-464a-bf97-d9bbb753f246"
+authors = ["Christian Rorvik <christian.rorvik@gmail.com>"]
+version = "1.1.1"
+
+[deps]
+Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
+Mmap = "a63ad114-7e13-5084-954f-fe012c677804"
+UnixTimes = "ab1a18e7-b408-4913-896c-624bb82ed7f4"
+UnsafeArrays = "c4a57d5a-5b31-53a6-b365-19f8c011fbd6"
+
+[compat]
+UnixTimes = "1"
+UnsafeArrays = "1"
+julia = "1.4"
+
+[extras]
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[targets]
+test = ["Test"]

scripts/packet-analysis/dev/PcapTools/README.md

@@ -0,0 +1,5 @@
+# PcapTools
+
+[![Build Status](https://travis-ci.com/ancapdev/PcapTools.jl.svg?branch=master)](https://travis-ci.com/ancapdev/PcapTools.jl)
+
+[![Coverage Status](https://coveralls.io/repos/github/ancapdev/PcapTools.jl/badge.svg)](https://coveralls.io/github/ancapdev/PcapTools.jl)

scripts/packet-analysis/dev/PcapTools/src/PcapTools.jl

@@ -0,0 +1,26 @@
+module PcapTools
+
+using Dates
+using Mmap
+using UnixTimes
+using UnsafeArrays
+
+export PcapHeader, RecordHeader
+export PcapRecord
+export PcapReader, PcapStreamReader, PcapBufferReader
+export PcapWriter, PcapStreamWriter
+export LINKTYPE_NULL, LINKTYPE_ETHERNET
+export splitcap
+
+abstract type PcapReader end
+abstract type PcapWriter end
+
+include("pcap_header.jl")
+include("record_header.jl")
+include("record.jl")
+include("buffer_reader.jl")
+include("stream_reader.jl")
+include("stream_writer.jl")
+include("splitcap.jl")
+
+end

scripts/packet-analysis/dev/PcapTools/src/buffer_reader.jl

@@ -0,0 +1,96 @@
+"""
+Reads pcap data from an array of bytes.
+"""
+mutable struct PcapBufferReader <: PcapReader
+    data::Vector{UInt8}
+    raw_header::Vector{UInt8}
+    header::PcapHeader
+    offset::Int64
+    mark::Int64
+    usec_mul::Int64
+    bswapped::Bool
+
+    @doc """
+        PcapBufferReader(data::Vector{UInt8})
+
+    Create reader over `data`. Will read and process pcap header,
+    and yield records through `read(::PcapBufferReader)`.
+    """
+    function PcapBufferReader(data::Vector{UInt8})
+        length(data) < sizeof(PcapHeader) && throw(EOFError())
+        rh = data[1:sizeof(PcapHeader)]
+        h = unsafe_load(Ptr{PcapHeader}(pointer(data)))
+        h, bswapped, nanotime = process_header(h)
+        new(data, rh, h, sizeof(h), -1, nanotime ? 1 : 1000, bswapped)
+    end
+end
+
+"""
+    PcapBufferReader(path::AbstractString)
+
+Memory map file in `path` and create PcapBufferReader over its content.
+"""
+function PcapBufferReader(path::AbstractString)
+    io = open(path)
+    data = Mmap.mmap(io)
+    PcapBufferReader(data)
+end
+
+function Base.close(x::PcapBufferReader)
+    x.data = UInt8[]
+    x.offset = 0
+    nothing
+end
+
+Base.length(x::PcapBufferReader) = length(x.data)
+Base.position(x::PcapBufferReader) = x.offset; nothing
+Base.seek(x::PcapBufferReader, pos) = x.offset = pos; nothing
+
+function Base.mark(x::PcapBufferReader)
+    x.mark = x.offset
+    x.mark
+end
+
+function Base.unmark(x::PcapBufferReader)
+    if x.mark >= 0
+        x.mark = -1
+        true
+    else
+        false
+    end
+end
+
+Base.ismarked(x::PcapBufferReader) = x.mark >= 0
+
+function Base.reset(x::PcapBufferReader)
+    !ismarked(x) && error("PcapBufferReader not marked")
+    x.offset = x.mark
+    x.mark = -1
+    x.offset
+end
+
+Base.eof(x::PcapBufferReader) = (length(x) - x.offset) < sizeof(RecordHeader)
+
+"""
+    read(x::PcapBufferReader) -> PcapRecord
+
+Read one record from pcap data.
+Throws `EOFError` if no more data available.
+"""
+@inline function Base.read(x::PcapBufferReader)
+    eof(x) && throw(EOFError())
+    record_offset = x.offset
+    p = pointer(x.data) + record_offset
+    GC.@preserve x begin
+        h = unsafe_load(Ptr{RecordHeader}(p))
+    end
+    if x.bswapped
+        h = bswap(h)
+    end
+    t1 = (h.ts_sec + x.header.thiszone) * 1_000_000_000
+    t2 = Int64(h.ts_usec) * x.usec_mul
+    t = UnixTime(Dates.UTInstant(Nanosecond(t1 + t2)))
+    x.offset += sizeof(RecordHeader) + h.incl_len
+    x.offset > length(x) && error("Insufficient data in pcap record")
+    PcapRecord(h, t, x.data, record_offset)
+end

scripts/packet-analysis/dev/PcapTools/src/pcap_header.jl

@@ -0,0 +1,46 @@
+# NOTE: Not using @enum because it craps out when displaying unknown values
+const LINKTYPE_NULL = UInt32(0)
+const LINKTYPE_ETHERNET = UInt32(1)
+
+struct PcapHeader
+    magic::UInt32
+    version_major::UInt16
+    version_minor::UInt16
+    thiszone::Int32
+    sigfigs::UInt32
+    snaplen::UInt32
+    linktype::UInt32
+end
+
+function Base.bswap(x::PcapHeader)
+    PcapHeader(
+        bswap(x.magic),
+        bswap(x.version_major),
+        bswap(x.version_minor),
+        bswap(x.thiszone),
+        bswap(x.sigfigs),
+        bswap(x.snaplen),
+        bswap(x.linktype))
+end
+
+function process_header(x::PcapHeader)
+    if x.magic == 0xa1b2c3d4
+        bswapped = false
+        nanotime = false
+    elseif x.magic == 0xd4c3b2a1
+        bswapped = true
+        nanotime = false
+    elseif x.magic == 0xa1b23c4d
+        bswapped = false
+        nanotime = true
+    elseif x.magic == 0x4d3cb2a1
+        bswapped = true
+        nanotime = true
+    else
+        throw(ArgumentError("Invalid pcap header"))
+    end
+    if bswapped
+        x = bswap(x)
+    end
+    x, bswapped, nanotime
+end

scripts/packet-analysis/dev/PcapTools/src/record.jl

@@ -0,0 +1,25 @@
+"""
+Record of pcap data
+"""
+struct PcapRecord
+    header::RecordHeader
+    timestamp::UnixTime
+    underlying_data::Vector{UInt8}
+    record_offset::Int
+end
+
+@inline function record_field_(x::PcapRecord, ::Val{:data})
+    offset = getfield(x, :record_offset) + sizeof(RecordHeader)
+    len = Int(getfield(x, :header).incl_len)
+    UnsafeArray{UInt8, 1}(pointer(getfield(x, :underlying_data)) + offset, (len,))
+end
+
+@inline function record_field_(x::PcapRecord, ::Val{:raw})
+    offset = getfield(x, :record_offset)
+    len = sizeof(RecordHeader) + getfield(x, :header).incl_len
+    UnsafeArray{UInt8, 1}(pointer(getfield(x, :underlying_data)) + offset, (len,))
+end
+
+@inline record_field_(x::PcapRecord, ::Val{f}) where {f} = getfield(x, f) 
+
+@inline Base.getproperty(x::PcapRecord, f::Symbol) = record_field_(x, Val(f))

scripts/packet-analysis/dev/PcapTools/src/record_header.jl

@@ -0,0 +1,14 @@
+struct RecordHeader
+    ts_sec::UInt32
+    ts_usec::UInt32
+    incl_len::UInt32
+    orig_len::UInt32
+end
+
+function Base.bswap(x::RecordHeader)
+    RecordHeader(
+        bswap(x.ts_sec),
+        bswap(x.ts_usec),
+        bswap(x.incl_len),
+        bswap(x.orig_len))
+end

scripts/packet-analysis/dev/PcapTools/src/splitcap.jl

@@ -0,0 +1,102 @@
+strip_nothing_(::Type{Union{Nothing, T}}) where T = T
+strip_nothing_(::Type{T}) where T = T
+
+progress_noop_(n) = nothing
+
+mutable struct SplitCapOutput{S}
+    work_buffer::Vector{UInt8}
+    complete_buffers::Channel{Vector{UInt8}}
+    stream::S
+end
+
+# Since Julia (as of 1.5) doesn't support task migration,
+# continue with new task after each buffer write, to rebalance across threads
+function write_one_and_continue_(output::SplitCapOutput, free_buffers::Channel, pending::Threads.Atomic{Int})
+    i = iterate(output.complete_buffers)
+    if i === nothing
+        Threads.atomic_sub!(pending, 1)
+        return nothing
+    end
+    b, _ = i
+    write(output.stream, b)
+    empty!(b)
+    put!(free_buffers, b)
+    Threads.@spawn write_one_and_continue_($output, $free_buffers, $pending)
+end
+
+function splitcap(
+    ::Type{KeyType},
+    ::Type{StreamType},
+    reader::PcapReader,
+    record2key,
+    key2stream,
+    progress_callback = progress_noop_;
+    own_streams::Bool = true
+) where {KeyType, StreamType}
+    buffer_size = 1024 * 1024 * 2
+    max_pending_buffers = 4
+    outputs = Dict{KeyType, SplitCapOutput{StreamType}}()
+    free_buffers = Channel{Vector{UInt8}}(Inf)
+    n = 0
+    pending = Threads.Atomic{Int}(0)
+    try
+        while !eof(reader)
+            record = read(reader)
+            dst = record2key(record)
+            if dst isa KeyType
+                output = get!(outputs, dst) do
+                    stream = key2stream(dst)
+                    buffer = sizehint!(UInt8[], buffer_size + 1500)
+                    own_streams && append!(buffer, reader.raw_header)
+                    output = SplitCapOutput{StreamType}(
+                        buffer,
+                        Channel{Vector{UInt8}}(max_pending_buffers),
+                        stream)
+                    Threads.atomic_add!(pending, 1)
+                    Threads.@spawn write_one_and_continue_($output, $free_buffers, $pending)
+                    output
+                end
+                append!(output.work_buffer, record.raw)
+                if length(output.work_buffer) >= buffer_size
+                    put!(output.complete_buffers, output.work_buffer)
+                    if isready(free_buffers)
+                        output.work_buffer = take!(free_buffers)
+                    else
+                        output.work_buffer = sizehint!(UInt8[], buffer_size + 1500)
+                    end
+                end
+            end
+            n += 1
+            progress_callback(n)
+            GC.safepoint()
+        end
+        for output in values(outputs)
+            if !isempty(output.work_buffer)
+                put!(output.complete_buffers, output.work_buffer)
+            end
+            close(output.complete_buffers)
+        end
+        while pending[] != 0
+            sleep(0.1)
+        end
+    finally
+        if own_streams
+            for output in values(outputs)
+                close(output.stream)
+            end
+        end
+    end
+    nothing
+end
+
+function splitcap(
+    reader::PcapReader,
+    record2key,
+    key2stream,
+    progress_callback = progress_noop_;
+    kwargs...
+)
+    KeyType = strip_nothing_(Core.Compiler.return_type(record2key, Tuple{PcapRecord}))
+    StreamType = Core.Compiler.return_type(key2stream, Tuple{KeyType})
+    splitcap(KeyType, StreamType, reader, record2key, key2stream, progress_callback; kwargs...)
+end

scripts/packet-analysis/dev/PcapTools/src/stream_reader.jl

@@ -0,0 +1,63 @@
+"""
+Reads pcap data from a stream.
+"""
+mutable struct PcapStreamReader{Src <: IO} <: PcapReader
+    src::Src
+    raw_header::Vector{UInt8}
+    header::PcapHeader
+    usec_mul::Int64
+    bswapped::Bool
+    record_buffer::Vector{UInt8}
+
+    @doc """
+        PcapStreamReader(src::IO)
+
+    Create reader over `src`. Will read and process pcap header,
+    and yield records through `read(::PcapStreamReader)`.
+    """
+    function PcapStreamReader(src::Src) where {Src <: IO}
+        raw_header = read(src, sizeof(PcapHeader))
+        length(raw_header) != sizeof(PcapHeader) && throw(EOFError())
+        h = GC.@preserve raw_header unsafe_load(Ptr{PcapHeader}(pointer(raw_header)))
+        header, bswapped, nanotime = process_header(h)
+        new{Src}(src, raw_header, header, nanotime ? 1 : 1000, bswapped, zeros(UInt8, 9000 + sizeof(RecordHeader)))
+    end
+end
+
+"""
+    PcapStreamReader(path)
+
+Open file at `path` and create PcapStreamReader over its content.
+"""
+PcapStreamReader(path::AbstractString) = PcapStreamReader(open(path))
+
+Base.close(x::PcapStreamReader) = close(x.src)
+Base.position(x::PcapStreamReader) = position(x.src)
+Base.seek(x::PcapStreamReader, pos) = seek(x.src, pos)
+Base.mark(x::PcapStreamReader) = mark(x.src)
+Base.unmark(x::PcapStreamReader) = unmark(x.src)
+Base.ismarked(x::PcapStreamReader) = ismarked(x.src)
+Base.reset(x::PcapStreamReader) = reset(x.src)
+Base.eof(x::PcapStreamReader) = eof(x.src)
+
+"""
+    read(x::PcapStreamReader) -> PcapRecord
+
+Read one record from pcap data. Record is valid until next read().
+Throws `EOFError` if no more data available.
+"""
+function Base.read(x::PcapStreamReader)
+    p = pointer(x.record_buffer)
+    GC.@preserve x begin
+        unsafe_read(x.src, p, sizeof(RecordHeader))
+        h = unsafe_load(Ptr{RecordHeader}(p))
+        if x.bswapped
+            h = bswap(h)
+        end
+        unsafe_read(x.src, p + sizeof(RecordHeader), h.incl_len)
+    end
+    t1 = (h.ts_sec + x.header.thiszone) * 1_000_000_000
+    t2 = Int64(h.ts_usec) * x.usec_mul
+    t = UnixTime(Dates.UTInstant(Nanosecond(t1 + t2)))
+    PcapRecord(h, t, x.record_buffer, 0)
+end

scripts/packet-analysis/dev/PcapTools/src/stream_writer.jl

@@ -0,0 +1,30 @@
+struct PcapStreamWriter{Dst <: IO} <: PcapWriter
+    dst::Dst
+
+    function PcapStreamWriter{Dst}(dst::Dst; thiszone = 0, snaplen = 65535, linktype = LINKTYPE_ETHERNET) where {Dst <: IO}
+        h = PcapHeader(
+            0xa1b23c4d,
+            0x0002,
+            0x0004,
+            thiszone,
+            0,
+            snaplen,
+            linktype)
+            write(dst, reinterpret(UInt8, [h]))
+        new(dst)
+    end
+end
+
+PcapStreamWriter(io::IO; kwargs...) = PcapStreamWriter{typeof(io)}(io; kwargs...)
+PcapStreamWriter(path::AbstractString; kwargs...) = PcapStreamWriter(open(path, "w"); kwargs...)
+
+Base.close(x::PcapStreamWriter) = close(x.dst)
+
+function Base.write(x::PcapStreamWriter, timestamp::UnixTime, data)
+    sec, nsec = fldmod(Dates.value(timestamp), 1_000_000_000)
+    data_length = length(data)
+    h = RecordHeader(sec, nsec, data_length, data_length)
+    write(x.dst, reinterpret(UInt8, [h]))
+    write(x.dst, collect(data))
+    nothing
+end

scripts/packet-analysis/src/AVCLANPipe.jl

@@ -0,0 +1,73 @@
+module AVCLANPipe
+
+using PcapTools, Dates, UnixTimes
+
+export AVCLANframe, avclan_text_to_pcap, tobytes
+
+mutable struct AVCLANframe
+    broadcast::Bool
+    controller_addr::UInt16
+    peripheral_addr::UInt16
+    control::UInt8
+    length::UInt8
+    data::NTuple{32,UInt8}
+end
+
+AVCLANframe() = AVCLANframe(false, 0x0000, 0x0000, 0xf, 0x0, ntuple(x -> 0x0, 32))
+
+function Base.tryparse(::Type{AVCLANframe}, str::String)
+    vals = split(str)
+
+    broadcast = tryparse(Bool, vals[1])
+    isnothing(broadcast) && return nothing
+
+    controller_addr = tryparse(UInt16, vals[2])
+    isnothing(controller_addr) && return nothing
+
+    peripheral_addr = tryparse(UInt16, vals[3])
+    isnothing(peripheral_addr) && return nothing
+
+    control = tryparse(UInt8, vals[4])
+    isnothing(control) && return nothing
+
+    len = tryparse(UInt8, vals[5])
+    isnothing(len) && return nothing
+
+    if (length(vals) - 5) != len || len > 32
+        return nothing
+    end
+    _data = tryparse.(UInt8, vals[6:end])
+    data = ntuple(i -> checkindex(Bool, axes(_data, 1), i) ? _data[i] : 0x0, 32)
+
+    return AVCLANframe(broadcast, controller_addr, peripheral_addr, control, len, data)
+end
+
+function tobytes(frame::AVCLANframe)
+    data = Vector{UInt8}(undef, 0)
+    push!(data, frame.broadcast)
+    append!(data, reverse(reinterpret(reshape, UInt8, [frame.controller_addr])),
+            reverse(reinterpret(reshape, UInt8, [frame.peripheral_addr])),
+            reinterpret(reshape, UInt8, [frame.control]),
+            reinterpret(reshape, UInt8, [frame.length]),
+            frame.data[1:frame.length])
+
+    return data
+end
+
+function avclan_text_to_pcap(textlog::String, pcap_fn::String)
+    pcapstream = PcapStreamWriter(pcap_fn; snaplen=64, linktype = 162)
+    t = UnixTime(now())
+
+    for line in eachline(textlog)
+        frame = tryparse(AVCLANframe, line)
+        t += Microsecond(rand(1:15))
+        if !isnothing(frame)
+            write(pcapstream, t, tobytes(frame))
+        end
+    end
+    close(pcapstream)
+
+    return pcap_fn
+end
+
+end # module AVCLANPipe

scripts/packet-analysis/src/convert-sr-annotation-export.jl

@@ -0,0 +1,55 @@
+using AVCLANPipe, PcapTools, Dates, UnixTimes
+
+file = ARGS[1]
+outfile = ARGS[2]
+
+function convert_fields_to_pcap(file, outfile)
+
+    io = open(file, "r")
+    outio = PcapStreamWriter(outfile; snaplen=64, linktype = 162)
+
+    packet = AVCLANframe()
+    packetcomplete = false
+    local t::UnixTime
+    i = 1
+
+    for line in readlines(io)
+        m = match(r"(\d+)-(\d+) IEBus: Raw Fields: (?<field>\w+)(:? ((?<hex>0x[0-9a-f]{2,3})|WRITE_DATA|Length: (?<length>\d+)))?",
+            line)
+
+        if m[:field] == "Broadcast"
+            packet.broadcast = true
+            t = UnixTime(1970,1,1,0,0,0,0, something(tryparse(Int, m[1]), 0))
+        elseif m[:field] == "Unicast"
+            packet.broadcast = false
+            t = UnixTime(1970,1,1,0,0,0,0, something(tryparse(Int, m[1]), 0))
+        elseif m[:field] == "Master"
+            packet.controller_addr = tryparse(UInt16, m[:hex])
+        elseif m[:field] == "Slave"
+            packet.peripheral_addr = tryparse(UInt16, m[:hex])
+        elseif m[:field] == "Data"
+            if !isnothing(m[:length])
+                packet.length = convert(UInt8, tryparse(Int, m[:length]))
+            else
+                data = collect(packet.data)
+                data[i] = tryparse(UInt8, m[:hex])
+                packet.data = ntuple(n -> data[n], 32)
+                i += 1
+            end
+        end
+
+        if i > packet.length
+            packetcomplete = true
+        end
+
+        if packetcomplete
+            packetcomplete = false
+            i = 1
+            write(outio, t, tobytes(packet))
+        end
+    end
+
+    close(io)
+    close(outio)
+
+end