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Only download Microchip pack if avr-libc doesnt support ATtiny3216

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This commit is contained in:
Allen Hill
2023-08-22 11:59:41 -04:00
parent 23ea7ee463
commit eb93931522
3 changed files with 61 additions and 11 deletions
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CMakeLists.txt
+39 -11
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@@ -5,17 +5,47 @@ set(AVR_MCU "attiny3216")
set(CMAKE_TOOLCHAIN_FILE "${CMAKE_CURRENT_SOURCE_DIR}/cmake/avr-gcc-toolchain.cmake")
project(avr-avc-lan VERSION 1 LANGUAGES C ASM)
project(avr-avc-lan VERSION 1 LANGUAGES C CXX ASM)
include(FetchContent)
# attiny_atpack_SOURCE_DIR is downloaded/extracted location
FetchContent_Declare(
attiny_atpack
URL http://packs.download.atmel.com/Atmel.ATtiny_DFP.2.0.368.atpack
URL_HASH SHA512=ee16a8ebecb57bd998a9cd4373368e3d45982cbbc3825e18d1dcac58215db6b9d907ad1ba2020cba9187fed7ba8c6f255a4fa1214e40c7a17ab2d18474f4d079
DOWNLOAD_NAME Atmel.ATtiny_DFP.2.0.368.atpack.zip
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "8.3")
message(FATAL_ERROR "Insufficient AVR-GCC version; Support for ATtiny3216 was added in GCC v8")
endif()
endif()
# Handle libc versioning
try_compile(LIBC_VERSION_TEST
SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/cmake/libc-version-test.cpp"
COMPILE_DEFINITIONS -mmcu=${AVR_MCU}
)
FetchContent_MakeAvailable(attiny_atpack)
if(NOT LIBC_VERSION_TEST)
include(FetchContent)
# attiny_atpack_SOURCE_DIR is downloaded/extracted location
FetchContent_Declare(
attiny_atpack
URL http://packs.download.atmel.com/Atmel.ATtiny_DFP.2.0.368.atpack
URL_HASH SHA512=ee16a8ebecb57bd998a9cd4373368e3d45982cbbc3825e18d1dcac58215db6b9d907ad1ba2020cba9187fed7ba8c6f255a4fa1214e40c7a17ab2d18474f4d079
DOWNLOAD_NAME Atmel.ATtiny_DFP.2.0.368.atpack.zip
)
FetchContent_MakeAvailable(attiny_atpack)
try_compile(LIBC_VERSION_TEST
SOURCES "${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 '${AVR_MCU}'")
else()
include_directories(SYSTEM PUBLIC "${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)
@@ -38,7 +68,6 @@ add_avr_executable(sniffer
src/avclandrv.c
src/GlobalDef.c)
target_include_directories(sniffer SYSTEM PUBLIC "${attiny_atpack_SOURCE_DIR}/include")
target_link_options(sniffer PUBLIC
-B "${attiny_atpack_SOURCE_DIR}/gcc/dev/${AVR_MCU}"
)
@@ -46,7 +75,6 @@ target_compile_definitions(sniffer PRIVATE
F_CPU=16000000L
)
target_compile_options(sniffer PRIVATE
-B "${attiny_atpack_SOURCE_DIR}/gcc/dev/${AVR_MCU}"
--param=min-pagesize=0
-ffunction-sections
-fdata-sections