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mirror of https://github.com/halleysfifthinc/Toyota-AVC-LAN synced 2025-06-07 16:06:12 +00:00

Uncommitted changes from 8 years ago

This commit is contained in:
Allen Hill 2023-07-16 15:46:01 -04:00
parent 1b66ecf306
commit 49ceb1e5e8
7 changed files with 1726 additions and 1562 deletions

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@ -10,7 +10,7 @@ sniffer.hex: sniffer.elf
avr-objcopy -j .text -j .data -O ihex sniffer.elf sniffer.hex
sniffer.elf: sniffer.o com232.o avclandrv.o GlobalDef.o
$(CC) $(LFLAGS) $(DEFS) -o sniffer.elf sniffer.o com232.o avclandrv.o GlobalDef.o
$(CC) $(LFLAGS) -o sniffer.elf sniffer.o com232.o avclandrv.o GlobalDef.o
sniffer.o: sniffer.c GlobalDef.h com232.h avclandrv.h
$(CC) $(CFLAGS) $(DEFS) sniffer.c
@ -29,8 +29,11 @@ clean::
.PHONY: upload connect size
upload: sniffer.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:sniffer.hex:i
upload-final: sniffer.hex
avrdude -C/home/allen/Programs/arduino-1.6.5/hardware/tools/avr/etc/avrdude.conf -patmega328p -cstk500v1 -P/dev/arduino -b19200 -D -U flash:w:sniffer.hex:i
upload-arduino: sniffer.hex
avrdude -C/home/allen/Programs/arduino-1.6.5/hardware/tools/avr/etc/avrdude.conf -patmega328p -carduino -P/dev/arduino -b57600 -D -U flash:w:sniffer.hex:i
connect:
@picocom --nolock -b 115200 /dev/arduino ||:

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@ -38,8 +38,8 @@
//------------------------------------------------------------------------------
#define AVC_OUT_EN() sbi(PORTD, 6); sbi(DDRD, 6); sbi(DDRD, 7); sbi(ACSR, ACD);
#define AVC_OUT_DIS() cbi(PORTD, 6); cbi(DDRD, 6); cbi(DDRD, 7); cbi(ACSR, ACD);
#define AVC_OUT_EN() sbi(PORTD, 6); sbi(DDRD, 6); sbi(DDRD, 7); sbi(ACSR, ACD); // Write mode
#define AVC_OUT_DIS() cbi(PORTD, 6); cbi(DDRD, 6); cbi(DDRD, 7); cbi(ACSR, ACD); // Read mpde
#define AVC_SET_1() sbi(PORTD, 6);
#define AVC_SET_0() cbi(PORTD, 6);
@ -98,8 +98,6 @@ const byte lan_init[] = { 0x3, SW_ID, 0x01, 0x01 };
const byte lan_check[] = { 0x3, SW_ID, 0x01, 0x20 };
const byte lan_playit[] = { 0x4, SW_ID, 0x01, 0x45, 0x63 };
const byte play_req1[] = { 0x4, 0x00, 0x25, 0x63, 0x80 };
#ifdef __AVENSIS__
@ -108,7 +106,7 @@ const byte play_req1[] = { 0x4, 0x00, 0x25, 0x63, 0x80 };
const byte play_req2[] = { 0x6, 0x00, SW_ID, 0x63, 0x42, 0x01, 0x00 };
#endif
const byte play_req3[] = { 0x6, 0x00, SW_ID, 0x63, 0x42, 0x41, 0x00 };
const byte play_req3[] = { 0x5, 0x00, SW_ID, 0x63, 0x42, 0x41 };
const byte stop_req[] = { 0x5, 0x00, SW_ID, 0x63, 0x43, 0x01 };
const byte stop_req2[] = { 0x5, 0x00, SW_ID, 0x63, 0x43, 0x41 };
@ -192,6 +190,7 @@ void AVCLan_Init()
// Analog comparator
cbi(ADCSRB, ACME); // Analog Comparator Multiplexer Enable - NO
//cbi(ADCSRA, ADEN);
/*
cbi(ACSR, ACBG); // Analog Comparator Bandgap Select
// ACI: Analog Comparator Interrupt Flag
@ -249,11 +248,11 @@ byte AVCLan_Send_StartBit()
TCNT0 = 0;
while( TCNT0 < 255 );
TCNT0 = 0;
while( TCNT0 < 76 );
while( TCNT0 < 77 );
AVC_SET_0();
TCNT0 = 0;
while( TCNT0 < 61 );
while( TCNT0 < 38 );
return 1;
}
@ -277,11 +276,11 @@ void AVCLan_Send_Bit0()
{
AVC_SET_1();
TCNT0 = 0;
while( TCNT0 < 65 ); // 28-37 us
while( TCNT0 < 68 ); // 28-37 us
AVC_SET_0();
TCNT0 = 0;
while( TCNT0 < 15 ); // 00-09 us
while( TCNT0 < 11 ); // 00-09 us
}
// DONE: Timing adjusted.
@ -290,19 +289,15 @@ byte AVCLan_Read_ACK()
{
AVC_SET_1();
TCNT0 = 0;
while( TCNT0 < 39 );
AVC_SET_0();
TCNT0 = 0;
while( TCNT0 < 4 ); // Replace with AVC_ReleaseLine?
while( TCNT0 < 38 );
AVC_SET_0(); // Replace with AVC_ReleaseLine?
AVC_OUT_DIS(); // switch to read mode
TCNT0 = 1;
while(1) {
if (INPUT_IS_SET && (TCNT0 > 5)) break; // Make sure INPUT is not still set from us
if (INPUT_IS_SET && (TCNT0 > 52 )) break; // Make sure INPUT is not still set from us
// Line of experimentation: Try changing TCNT0 comparison value or remove check entirely
if (TCNT0 > 174 ) return 1; // Not sure if this fix is intent correct
if (TCNT0 > 75 ) return 1; // Not sure if this fix is intent correct
}
while(INPUT_IS_SET);
@ -324,11 +319,11 @@ byte AVCLan_Send_ACK()
AVC_SET_1();
TCNT0 = 0;
while( TCNT0 < 65 ); //28-37
while( TCNT0 < 68 ); //28-37
AVC_SET_0();
TCNT0 = 0;
while( TCNT0 < 15 ); //00-09
while( TCNT0 < 11 ); //00-09
AVC_OUT_DIS();
@ -934,7 +929,7 @@ void ShowOutMessage()
AVC_HoldLine();
RS232_Print_P(PSTR("out > "));
RS232_Print_P(PSTR(" out > "));
for (i=0; i<data_len; i++) {
RS232_PrintHex8(data[i]);
RS232_SendByte(' ');
@ -944,53 +939,100 @@ void ShowOutMessage()
AVC_ReleaseLine();
}
void AVCLan_Measure()
{
#ifdef SOFTWARE_DEBUG
word temp_b[100];
void AVCLan_Measure()
{
STOPEvent;
word tmp, tmp1, tmp2, bit0, bit1;
word n = 0;
//word tmp, tmp1, tmp2, bit0, bit1;
byte n = 0;
cbi(TCCR1B,CS12);
TCCR1B = _BV(CS10);
while ( n < 1000 )
{
while(INPUT_IS_CLEAR);
TCNT1 = 0;
while(INPUT_IS_SET);
tmp = TCNT1;
char str[5];
while ( n < 100 )
{
temp_b[n] = TCNT1;
while(INPUT_IS_CLEAR);
tmp1 = TCNT1;
temp_b[n+1] = TCNT1;
while(INPUT_IS_SET);
tmp2 = TCNT1;
bit0 = tmp1-tmp;
bit1 = tmp2-tmp1;
RS232_Print_P(PSTR("1,"));
RS232_PrintDec(bit1);
RS232_Print_P(PSTR("\n"));
RS232_Print_P(PSTR("0,"));
RS232_PrintDec(bit0);
RS232_Print_P(PSTR("\n"));
n++;
temp_b[n+2] = TCNT1;
while(INPUT_IS_CLEAR);
temp_b[n+3] = TCNT1;
while(INPUT_IS_SET);
temp_b[n+4] = TCNT1;
while(INPUT_IS_CLEAR);
temp_b[n+5] = TCNT1;
while(INPUT_IS_SET);
temp_b[n+6] = TCNT1;
while(INPUT_IS_CLEAR);
temp_b[n+7] = TCNT1;
while(INPUT_IS_SET);
temp_b[n+8] = TCNT1;
while(INPUT_IS_CLEAR);
temp_b[n+9] = TCNT1;
while(INPUT_IS_SET);
//
// while(INPUT_IS_CLEAR);
//
// tmp1 = TCNT1;
//
// while(INPUT_IS_SET);
//
// tmp2 = TCNT1;
//
// bit0 = tmp1-tmp;
// bit1 = tmp2-tmp1;
//
// RS232_Print_P(PSTR("1,"));
// RS232_PrintDec(bit1);
// RS232_Print_P(PSTR("\n"));
//
// RS232_Print_P(PSTR("0,"));
// RS232_PrintDec(bit0);
// RS232_Print_P(PSTR("\n"));
n += 10;
}
RS232_Print_P(PSTR("Done.\n"));
for(byte i =0; i < 100; i++)
{
itoa(temp_b[i],str);
if(i & 1) {
RS232_Print_P(PSTR("High,"));
} else {
RS232_Print_P(PSTR("Low,"));
}
RS232_Print(str);
RS232_Print_P(PSTR("\n"));
}
RS232_Print_P(PSTR("\nDone.\n"));
cbi(TCCR1B,CS10);
TCCR1B = _BV(CS12);
STARTEvent;
}
}
#endif
#ifdef HARDWARE_DEBUG
void SetHighLow() {
AVC_OUT_EN();
sbi(TCCR1B, CS10);
word n = 60000;
TCNT1 = 0;
AVC_SET_1();
while ( TCNT1 < n );
TCNT1 = 0;
AVC_SET_0();
while ( TCNT1 < n );
cbi(TCCR1B, CS10);
AVC_OUT_DIS();
}
#endif
//------------------------------------------------------------------------------

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@ -128,7 +128,12 @@ byte AVCLan_SendMyDataBroadcast(byte *data_tmp, byte s_len);
void ShowInMessage();
void ShowOutMessage();
void AVCLan_Measure();
#ifdef SOFTWARE_DEBUG
void AVCLan_Measure();
#endif
#ifdef HARDWARE_DEBUG
void SetHighLow();
#endif
//------------------------------------------------------------------------------
extern byte answerReq;

124
capture.md Normal file
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@ -0,0 +1,124 @@
``` c
HU < (bro) 190| FFF| 11 01 00 // lan_reg
out > 00 01 11 10 63 // CMD_REGISTER
HU < (bro) 190| FFF| 11 01 45 60 // Tuner in use
HU < (bro) 190| FFF| 11 01 01 // lan_init
out > 63 31 F1 00 80 FF FF FF FF 00 80 // /*
out > 63 31 F3 00 3F 00 00 00 00 02
out > 63 31 F3 00 3F 00 01 00 01 02
out > 63 31 F3 00 3D 00 01 00 01 02
out > 63 31 F3 00 39 00 01 00 01 02 // Registration gobbledygook
out > 63 31 F3 00 31 00 01 00 01 02 // probably not all necessary
out > 63 31 F3 00 21 00 01 00 01 02
out > 63 31 F1 00 90 01 FF FF FF 00 80
out > 63 31 F3 00 01 00 01 00 01 02
out > 63 31 F1 00 30 01 FF FF FF 00 80 // */
HU < (dir) 190| 360| 00 31 63 E0 // Similar to play_req1
// Logic device ID 31 => Me (63)
// Command E0
// What is logic device 31???
HU < (dir) 190| 360| 00 25 63 E4 // Also similar to play_req1
HU < (bro) 190| FFF| 01 01 59 39 // Nothing heard?
HU < (bro) 190| FFF| 01 01 59 39 // What is logic device 59???
HU < (dir) 190| 360| 00 31 63 E0
HU < (dir) 190| 360| 00 31 63 E0 // Try again?
HU < (dir) 190| 360| 00 31 63 E0
HU < (dir) 190| 360| 00 31 63 E2
HU < (dir) 190| 360| 00 31 63 E2
HU < (dir) 190| 360| 00 31 63 E2
HU < (dir) 190| 360| 00 31 63 E2
HU < (bro) 190| FFF| 11 01 00
out > 00 01 11 10 63
HU < (bro) 190| FFF| 11 01 45 60 // Tuner in use
HU < (bro) 190| FFF| 11 01 01
out > 63 31 F1 00 80 FF FF FF FF 00 80
out > 63 31 F3 00 3F 00 00 00 00 02
out > 63 31 F3 00 3F 00 01 00 01 02
out > 63 31 F3 00 3D 00 01 00 01 02
out > 63 31 F3 00 39 00 01 00 01 02
out > 63 31 F3 00 31 00 01 00 01 02
out > 63 31 F3 00 21 00 01 00 01 02
out > 63 31 F1 00 90 01 FF FF FF 00 80
out > 63 31 F3 00 01 00 01 00 01 02
out > 63 31 F1 00 30 01 FF FF FF 00 80
HU < (dir) 190| 360| 00 31 63 E0
HU < (dir) 190| 360| 00 25 63 E4
HU < (bro) 190| FFF| 01 01 59 39
HU < (bro) 190| FFF| 01 01 59 39
HU < (bro) 190| FFF| 11 01 45 60 // Tuner in use
HU < (bro) 190| FFF| 01 01 59 39
HU < (dir) 190| 360| 00 31 63 E0
HU < (dir) 190| 360| 00 31 63 E0
HU < (dir) 190| 360| 00 31 63 E0
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 31 63 E2
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 31 63 E2
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 31 63 E2
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 31 63 E2
HU < (dir) 190| 360| 00 25 63 80 // play_req1
out > 00 63 11 50 01 // CMD_PLAY_OK1
HU < (dir) 190| 360| 00 11 63 43 01 // stop_req
out > 00 63 11 53 01 // CMD_STOP1
out > 63 31 F1 00 30 01 01 00 00 00 80 // Player Status
HU < (bro) 190| FFF| 11 01 45 60 // Tuner in use
HU < (dir) 190| 360| 00 25 63 80 // play_req1
out > 00 63 11 50 01 // CMD_PLAY_OK1
HU < (dir) 190| 360| 00 11 63 42 41 // play_req3 but without ending 00
HU < (dir) 190| 360| 00 11 63 42 41 // Trying again?
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 11 63 43 01
out > 00 63 11 53 01
out > 63 31 F1 00 30 01 01 00 00 00 80
HU < (bro) 190| FFF| 11 01 45 60 // Tuner in use
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 11 63 43 01
out > 00 63 11 53 01
out > 63 31 F1 00 30 01 01 00 00 00 80
HU < (bro) 190| FFF| 11 01 45 60 // Tuner in use
HU < (dir) 190| 360| 00 25 63 80
out > 00 63 11 50 01
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 11 63 42 41
HU < (dir) 190| 360| 00 11 63 43 01
out > 00 63 11 53 01
out > 63 31 F1 00 30 01 01 00 00 00 80
```

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@ -126,4 +126,24 @@ void RS232_PrintDec2(byte Data)
if (Data<10) RS232_SendByte('0');
RS232_PrintDec(Data);
}
char* itoa(int i, char b[]){
char const digit[] = "0123456789";
char* p = b;
if(i<0){
*p++ = '-';
i *= -1;
}
int shifter = i;
do{ //Move to where representation ends
++p;
shifter = shifter/10;
}while(shifter);
*p = '\0';
do{ //Move back, inserting digits as u go
*--p = digit[i%10];
i = i/10;
}while(i);
return b;
}
//------------------------------------------------------------------------------

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@ -44,6 +44,7 @@ extern void RS232_PrintHex4(byte Data);
extern void RS232_PrintHex8(byte Data);
extern void RS232_PrintDec(byte Data);
extern void RS232_PrintDec2(byte Data);
extern char* itoa(int i, char b[]);
//------------------------------------------------------------------------------
// LED

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@ -52,8 +52,6 @@ byte rcv_time_clr = 0;
//
int main()
{
// byte h;
byte readSeq = 0;
byte s_len = 0;
@ -63,20 +61,17 @@ int main()
byte data_tmp[32];
Setup();
TCNT0 = 0;
while( TCNT0 < 250 );
TCNT0 = 0;
while( TCNT0 < 250 );
TCNT0 = 0;
while( TCNT0 < 250 );
RS232_Print("AVCLan reader 1.00\nReady\n\n");
LED_OFF();
RS232_Print_P(PSTR("D - device id\nH - HU id\nS - read sequence\nW - send command\nQ - send broadcast\nL/l - log on/off\nK/k - seq. echo on/off\nR/r - register device\nB - Beep\nT - Measure interval\n"));
RS232_Print_P(PSTR("\nS - read sequence\nW - send command\nQ - send broadcast\nL/l - log on/off\nK/k - seq. echo on/off\n"));
RS232_Print_P(PSTR("R/r - register device\nB - Beep\n"));
#ifdef HARDWARE_DEBUG
RS232_Print_P(PSTR("1 - Hold High/low\nE - Print line status\n"));
#endif
#ifdef SOFTWARE_DEBUG
RS232_Print_P(PSTR("M - Measure high and low lengths\n"));
#endif
while (1) {
@ -107,44 +102,6 @@ int main()
RS232_RxCharBegin = RS232_RxCharEnd = 0; // do reset Buffer
sbi(UCSR0B, RXCIE0); // enable RX complete interrupt
switch (readkey) {
case 'D': if (readSeq) {
CD_ID_1 = data_tmp[0];
CD_ID_2 = data_tmp[1];
RS232_Print_P(PSTR("DEV ID SET: 0x"));
RS232_PrintHex8(CD_ID_1);
RS232_PrintHex8(CD_ID_2);
RS232_Print_P(PSTR("\n"));
showLog = 1;
readSeq=0;
} else {
showLog = 0;
RS232_Print_P(PSTR("DEV ID > \n"));
readSeq = 1;
s_len=0;
s_dig=0;
s_c[0]=s_c[1]=0;
}
break;
case 'H': if (readSeq) {
HU_ID_1 = data_tmp[0];
HU_ID_2 = data_tmp[1];
RS232_Print_P(PSTR("HU ID SET: 0x"));
RS232_PrintHex8(HU_ID_1);
RS232_PrintHex8(HU_ID_2);
RS232_Print_P(PSTR("\n"));
showLog = 1;
readSeq=0;
} else {
showLog = 0;
RS232_Print_P(PSTR("HU ID > \n"));
readSeq = 1;
s_len=0;
s_dig=0;
s_c[0]=s_c[1]=0;
}
break;
case 'S': showLog = 0;
RS232_Print_P(PSTR("READ SEQUENCE > \n"));
readSeq = 1;
@ -160,8 +117,6 @@ int main()
readSeq=0;
AVCLan_SendMyDataBroadcast(data_tmp, s_len);
break;
case 'R': RS232_Print_P(PSTR("REGIST:\n"));
AVCLan_Command( cmRegister );
TCNT0 = 0;
@ -170,15 +125,12 @@ int main()
break;
case 'r': AVCLan_Register();
break;
case 'l': RS232_Print_P(PSTR("Log OFF\n"));
showLog = 0;
break;
case 'L': RS232_Print_P(PSTR("Log ON\n"));
showLog = 1;
break;
case 'k': RS232_Print_P(PSTR("str OFF\n"));
showLog2 = 0;
break;
@ -187,16 +139,33 @@ int main()
break;
case 'B':
data_tmp[0] = 0x00;
data_tmp[0] = 0x5E;
data_tmp[0] = 0x29;
data_tmp[0] = 0x60;
data_tmp[0] = 0x01;
data_tmp[1] = 0x5E;
data_tmp[2] = 0x29;
data_tmp[3] = 0x60;
data_tmp[4] = 0x01;
s_len = 5;
AVCLan_SendMyData(data_tmp, s_len);
break;
case 'T':
#ifdef HARDWARE_DEBUG
case '1':
SetHighLow();
break;
case 'E':
if(INPUT_IS_SET) {
RS232_Print_P(PSTR("Set/High/1\n"));
} else if (INPUT_IS_CLEAR) {
RS232_Print_P(PSTR("Unset/Low/0\n"));
} else {
RS232_Print_P(PSTR("WTF?\n"));
}
break;
#endif
#ifdef SOFTWARE_DEBUG
case 'M':
AVCLan_Measure();
break;
#endif
default :
if (readSeq==1) {