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Toyota-AVC-LAN/sniffer.c
Allen Hill a1c2b1b6e4 Message read now works
2015-07-26 22:45:06 -07:00

299 lines
7.1 KiB
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/*
Copyright (C) 2006 Marcin Slonicki <marcin@softservice.com.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 2
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, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-----------------------------------------------------------------------
this file is a part of the TOYOTA Corolla MP3 Player Project
-----------------------------------------------------------------------
http://www.softservice.com.pl/corolla/avc
May 28 / 2009 - version 2
*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include "GlobalDef.h"
#include "com232.h"
#include "avclandrv.h"
// -------------------------------------------------------------------------------------
void Setup();
byte rcv_command[5];
byte rcv_pos = 0;
byte rcv_time_clr = 0;
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// MAIN PROGRAM
//
int main()
{
// byte h;
byte readSeq = 0;
byte s_len = 0;
byte s_dig = 0;
byte s_c[2];
byte i;
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"));
while (1) {
if (INPUT_IS_SET) { // if message from some device on AVCLan begin
LED_ON();
AVCLan_Read_Message();
// show message
} else {
LED_OFF();
// check command from HU
if (answerReq != 0) AVCLan_SendAnswer();
}
// HandleEvent
switch (Event) {
case EV_STATUS: Event &= ~EV_STATUS;
AVCLan_Send_Status();
break;
}
// Key handler
if (RS232_RxCharEnd) {
cbi(UCSR0B, RXCIE0); // disable RX complete interrupt
readkey = RS232_RxCharBuffer[RS232_RxCharBegin];// read begin of received Buffer
RS232_RxCharBegin++;
if (RS232_RxCharBegin == RS232_RxCharEnd) // if Buffer is empty
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;
s_len=0;
s_dig=0;
s_c[0]=s_c[1]=0;
break;
case 'W' : showLog = 1;
readSeq=0;
AVCLan_SendMyData(data_tmp, s_len);
break;
case 'Q' : showLog = 1;
readSeq=0;
AVCLan_SendMyDataBroadcast(data_tmp, s_len);
break;
case 'R': RS232_Print_P(PSTR("REGIST:\n"));
AVCLan_Command( cmRegister );
TCNT0 = 0;
while( TCNT0 < 135 );
CHECK_AVC_LINE;
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;
case 'K': RS232_Print_P(PSTR("str ON\n"));
showLog2 = 1;
break;
case 'B':
data_tmp[0] = 0x00;
data_tmp[0] = 0x5E;
data_tmp[0] = 0x29;
data_tmp[0] = 0x60;
data_tmp[0] = 0x01;
s_len = 5;
AVCLan_SendMyData(data_tmp, s_len);
break;
case 'T':
AVCLan_Measure();
break;
default :
if (readSeq==1) {
s_c[s_dig]=readkey;
s_dig++;
if (s_dig==2) {
if (s_c[0]<':') s_c[0] -= 48;
else s_c[0] -= 55;
data_tmp[s_len] = 16 * s_c[0];
if (s_c[1]<':') s_c[1] -= 48;
else s_c[1] -= 55;
data_tmp[s_len] += s_c[1];
s_len++;
s_dig=0;
s_c[0]=s_c[1]=0;
}
if (showLog2) {
RS232_Print_P(PSTR("CURRENT SEQUENCE > "));
for (i=0; i<s_len; i++) {
RS232_PrintHex8(data_tmp[i]);
RS232_SendByte(' ');
}
RS232_Print_P(PSTR("\n"));
}
}
} // switch (readkey)
}// if (RS232_RxCharEnd)
}
return 0;
}
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// Setup - uP: ATMega328p
//
void Setup()
{
// GIMSK = 0; // (GICR ?) disable external interupts
CD_ID_1 = 0x03;
CD_ID_2 = 0x60;
HU_ID_1 = 0x01;
HU_ID_2 = 0x90;
showLog = 1;
showLog2 = 1;
MCUCR = 0;
// Timer 1
TIMSK1 = 0;
sbi(TIMSK1, OCIE1A); // Enable timer1 compare interrupt
TCCR1A = 0;
TCCR1B |= (1 << WGM12)|(1 << CS12); // Set CTC, prescaler at 256
OCR1A = 62499; // Compare match at 1sec intervals
RS232_Init();
AVCLan_Init();
Event = EV_NOTHING;
sei();
}
// -------------------------------------------------------------------------------------
byte s1=0;
//------------------------------------------------------------------------------
ISR(TIMER1_COMPA_vect) // Timer1 compare match every 1Sec
{
s1++;
if (s1==2) {
s1=0;
if (CD_Mode==stPlay) {
cd_Time_Sec=HexInc(cd_Time_Sec);
if (cd_Time_Sec==0x60) {
cd_Time_Sec = 0;
cd_Time_Min=HexInc(cd_Time_Min);
if (cd_Time_Min==0xA0) {
cd_Time_Min=0x0;
}
}
Event |= EV_STATUS;
}
}
}
//------------------------------------------------------------------------------
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