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sniffer2/sniffer.c
Allen Hill 8040e43d3a Initial commit.
2015-07-18 21:11:49 -07:00

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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 "const.h"
#include "com232.h"
#include "delay2.h"
#include "avclandrv.h"
// -------------------------------------------------------------------------------------
void Setup();
u08 rcv_command[5];
u08 rcv_pos = 0;
u08 rcv_time_clr = 0;
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// MAIN PROGRAM
//
int main()
{
// u08 h;
u08 readSeq = 0;
u08 s_len = 0;
u08 s_dig = 0;
u08 s_c[2];
u08 i;
u08 data_tmp[32];
Setup();
RS232_S((u16)PSTR("AVCLan reader 1.00\nReady\n\n"));
LED_OFF();
RS232_S((u16)PSTR("T - device id\n"));
RS232_S((u16)PSTR("H - HU id\n"));
RS232_S((u16)PSTR("S - read sequence\n"));
RS232_S((u16)PSTR("W - send command\n"));
RS232_S((u16)PSTR("Q - send broadcast\n"));
RS232_S((u16)PSTR("L/l - log on/off\n"));
RS232_S((u16)PSTR("K/k - seq. echo on/off\n"));
RS232_S((u16)PSTR("R/r - register device\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 'T': if (readSeq) {
CD_ID_1 = data_tmp[0];
CD_ID_2 = data_tmp[1];
RS232_Print("DEV ID SET: 0x");
RS232_PrintHex8(CD_ID_1);
RS232_PrintHex8(CD_ID_2);
RS232_Print("\n");
showLog = 1;
readSeq=0;
} else {
showLog = 0;
RS232_Print("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("HU ID SET: 0x");
RS232_PrintHex8(HU_ID_1);
RS232_PrintHex8(HU_ID_2);
RS232_Print("\n");
showLog = 1;
readSeq=0;
} else {
showLog = 0;
RS232_Print("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("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("REGIST:\n");
AVCLan_Command( cmRegister );
delay1(15);
CHECK_AVC_LINE;
break;
case 'r': AVCLan_Register();
break;
case 'l': RS232_Print("Log OFF\n");
showLog = 0;
break;
case 'L': RS232_Print("Log ON\n");
showLog = 1;
break;
case 'k': RS232_Print("str OFF\n");
showLog2 = 0;
break;
case 'K': RS232_Print("str ON\n");
showLog2 = 1;
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("CURREENT SEQUENCE > ");
for (i=0; i<s_len; i++) {
RS232_PrintHex8(data_tmp[i]);
RS232_SendByte(' ');
}
RS232_Print("\n");
}
}
} // switch (readkey)
}// if (RS232_RxCharEnd)
}
return 0;
}
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// Setup - uP: ATMega16
//
void Setup()
{
// GIMSK = 0; // (GICR ?) disable external interupts
CD_ID_1 = 0x02;
CD_ID_2 = 0x80;
HU_ID_1 = 0x01;
HU_ID_2 = 0x40;
showLog = 1;
showLog2 = 1;
MCUCR = 0;
TIMSK1 = 0;
sbi(TIMSK1, TOIE1); // Enable timer1 interrupt
// Timer 1
TCCR1A = 0;
TCCR1B = _BV(CS12);
TCNT1 = 0xFFFF - 0x7080;
RS232_Init();
AVCLan_Init();
Event = EV_NOTHING;
sei();
}
// -------------------------------------------------------------------------------------
u08 s1=0;
//------------------------------------------------------------------------------
SIGNAL(SIG_OVERFLOW1) // Timer1 overflow every 1Sec
{
TCNT1 = 0xFFFF - 0x7080;
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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