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sniffer2/avclandrv.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 "timer.h"
#include "delay2.h"
#include "avclandrv.h"
#include "com232.h"
#include "const.h"
//------------------------------------------------------------------------------
#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_SET_1() sbi(PORTD, 6);
#define AVC_SET_0() cbi(PORTD, 6);
u08 CD_ID_1;
u08 CD_ID_2;
u08 HU_ID_1;
u08 HU_ID_2;
u08 parity_bit;
u08 repeatMode;
u08 randomMode;
u08 playMode;
u08 cd_Disc;
u08 cd_Track;
u08 cd_Time_Min;
u08 cd_Time_Sec;
u08 answerReq;
// we need check answer (to avclan check) timeout
// when is more then 1 min, FORCE answer.
u08 check_timeout;
#define SW_ID 0x12
// commands
const u08 stat1[] = { 0x4, 0x00, 0x00, 0x01, 0x0A };
const u08 stat2[] = { 0x4, 0x00, 0x00, 0x01, 0x08 };
const u08 stat3[] = { 0x4, 0x00, 0x00, 0x01, 0x0D };
const u08 stat4[] = { 0x4, 0x00, 0x00, 0x01, 0x0C };
// broadcast
const u08 lan_stat1[] = { 0x3, 0x00, 0x01, 0x0A };
const u08 lan_reg[] = { 0x3, SW_ID, 0x01, 0x00 };
const u08 lan_init[] = { 0x3, SW_ID, 0x01, 0x01 };
const u08 lan_check[] = { 0x3, SW_ID, 0x01, 0x20 };
const u08 lan_playit[] = { 0x4, SW_ID, 0x01, 0x45, 0x63 };
const u08 play_req1[] = { 0x4, 0x00, 0x25, 0x63, 0x80 };
#ifdef __AVENSIS__
const u08 play_req2[] = { 0x6, 0x00, SW_ID, 0x63, 0x42 };
#else
const u08 play_req2[] = { 0x6, 0x00, SW_ID, 0x63, 0x42, 0x01, 0x00 };
#endif
const u08 play_req3[] = { 0x6, 0x00, SW_ID, 0x63, 0x42, 0x41, 0x00 };
const u08 stop_req[] = { 0x5, 0x00, SW_ID, 0x63, 0x43, 0x01 };
const u08 stop_req2[] = { 0x5, 0x00, SW_ID, 0x63, 0x43, 0x41 };
// answers
const u08 CMD_REGISTER[] = {0x1, 0x05, 0x00, 0x01, SW_ID, 0x10, 0x63 };
const u08 CMD_STATUS1[] = {0x1, 0x04, 0x00, 0x01, 0x00, 0x1A };
const u08 CMD_STATUS2[] = {0x1, 0x04, 0x00, 0x01, 0x00, 0x18 };
const u08 CMD_STATUS3[] = {0x1, 0x04, 0x00, 0x01, 0x00, 0x1D };
const u08 CMD_STATUS4[] = {0x1, 0x05, 0x00, 0x01, 0x00, 0x1C, 0x00 };
u08 CMD_CHECK[] = {0x1, 0x06, 0x00, 0x01, SW_ID, 0x30, 0x00, 0x00 };
const u08 CMD_STATUS5[] = {0x1, 0x05, 0x00, 0x5C, 0x12, 0x53, 0x02 };
const u08 CMD_STATUS5A[] = {0x0, 0x05, 0x5C, 0x31, 0xF1, 0x00, 0x00 };
const u08 CMD_STATUS6[] = {0x1, 0x06, 0x00, 0x5C, 0x32, 0xF0, 0x02, 0x00 };
const u08 CMD_PLAY_OK1[] = {0x1, 0x05, 0x00, 0x63, SW_ID, 0x50, 0x01 };
const u08 CMD_PLAY_OK2[] = {0x1, 0x05, 0x00, 0x63, SW_ID, 0x52, 0x01 };
const u08 CMD_PLAY_OK3[] = {0x0, 0x0B, 0x63, 0x31, 0xF1, 0x01, 0x00, 0x01, 0xFF, 0xFF, 0xFF, 0x00, 0x80 };
u08 CMD_PLAY_OK4[] = {0x0, 0x0B, 0x63, 0x31, 0xF1, 0x01, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80 };
const u08 CMD_STOP1[] = {0x1, 0x05, 0x00, 0x63, SW_ID, 0x53, 0x01 };
u08 CMD_STOP2[] = {0x0, 0x0B, 0x63, 0x31, 0xF1, 0x00, 0x30, 0x00, 0x00,0x00, 0x00, 0x00, 0x80 };
const u08 CMD_BEEP[] = {0x1, 0x05, 0x00, 0x63, 0x29, 0x60, 0x02 };
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void AVC_HoldLine()
{
STOPEvent;
// wait for free line
u08 T=0;
u08 line_busy = 1;
timer0_source(CK64);
timer0_start();
do {
while (INPUT_IS_CLEAR) {
T = TCNT0;
if (T >= 25) break;
}
if (T > 24) line_busy=0;
} while (line_busy);
// switch to out mode
AVC_OUT_EN();
AVC_SET_1();
STARTEvent;
}
//------------------------------------------------------------------------------
void AVC_ReleaseLine()
{
AVC_SET_0();
AVC_OUT_DIS();
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void AVCLan_Init()
{
// AVCLan TX+/TX- : internal comparator PINB2, PINB3
// OUTPUT ( set as input for comparator )
cbi(PORTD, 6);
cbi(DDRD, 6);
// INPUT
cbi(PORTD, 7);
cbi(DDRD, 7);
// Analog comparator
cbi(ADCSRB, ACME); // Analog Comparator Multiplexer Enable - NO
/*
cbi(ACSR, ACBG); // Analog Comparator Bandgap Select
// ACI: Analog Comparator Interrupt Flag
cbi(ACSR, ACIE); // Analog Comparator Interrupt Enable - NO
cbi(ACSR, ACIC); // Analog Comparator Input Capture Enable - NO
*/
cbi(ACSR, ACIS1); // Analog Comparator Interrupt Mode Select
cbi(ACSR, ACIS0); // Comparator Interrupt on Output Toggle
cbi(ACSR, ACD); // Analog Comparator Disbale - NO
message_len = 0;
answerReq = cmNull;
check_timeout = 0;
cd_Disc = 1;
cd_Track = 1;
cd_Time_Min = 0;
cd_Time_Sec = 0;
repeatMode = 0;
randomMode = 0;
playMode = 0;
CD_Mode = stStop;
}
//------------------------------------------------------------------------------
u08 AVCLan_Read_Byte(u08 length)
{
u08 byte = 0;
u08 wT;
while (1) {
while (INPUT_IS_CLEAR);
timer0_start();
while (INPUT_IS_SET);
wT = TCNT0;
if (wT<8) {
byte++;
parity_bit++;
}
length--;
if (!length) return byte;
byte = byte << 1;
}
}
//------------------------------------------------------------------------------
u08 AVCLan_Send_StartBit()
{
AVC_SET_1();
delay1(166);
AVC_SET_0();
delay1(30);
return 1;
}
//------------------------------------------------------------------------------
void AVCLan_Send_Bit1()
{
AVC_SET_1();
delay1(20);
AVC_SET_0();
delay1(16); // 12-21
}
//------------------------------------------------------------------------------
void AVCLan_Send_Bit0()
{
AVC_SET_1();
delay1(32); // 28-37
AVC_SET_0();
delay1(4); // 00-09
}
//------------------------------------------------------------------------------
u08 AVCLan_Read_ACK()
{
u08 time = 0;
AVC_SET_1();
delay1(19);
AVC_SET_0();
delay1(1);
AVC_OUT_DIS(); // switch to read mode
timer0_source(CK64);
timer0_start();
while(1) {
time = TCNT0;
if (INPUT_IS_SET && (time > 1)) break;
if (time > 20) return 1;
}
while(INPUT_IS_SET);
AVC_OUT_EN();// back to write mode
return 0;
}
//------------------------------------------------------------------------------
u08 AVCLan_Send_ACK()
{
timer0_source(CK64); //update every 1us
timer0_start();
while (INPUT_IS_CLEAR) {
if (TCNT0 >= 25) return 0; // max wait time
}
AVC_OUT_EN();
AVC_SET_1();
delay1(32); //28-37
AVC_SET_0();
delay1(4); //00-09
AVC_OUT_DIS();
return 1;
}
//------------------------------------------------------------------------------
u08 AVCLan_Send_Byte(u08 byte, u08 len)
{
u08 b;
if (len==8) {
b = byte;
} else {
b = byte << (8-len);
}
while (1) {
if ( (b & 128)!=0 ) {
AVCLan_Send_Bit1();
parity_bit++;
} else {
AVCLan_Send_Bit0();
}
len--;
if (!len) {
//if (INPUT_IS_SET) RS232_Print("SBER\n"); // Send Bit ERror
return 1;
}
b = b << 1;
}
}
//------------------------------------------------------------------------------
u08 AVCLan_Send_ParityBit()
{
if ( (parity_bit & 1)!=0 ) {
AVCLan_Send_Bit1();
//parity_bit++;
} else {
AVCLan_Send_Bit0();
}
parity_bit=0;
return 1;
}
//------------------------------------------------------------------------------
u08 CheckCmd(u08 *cmd)
{
u08 i;
u08 *c;
u08 l;
c = cmd;
l = *c++;
for (i=0; i<l; i++) {
if (message[i] != *c) return 0;
c++;
}
return 1;
}
//------------------------------------------------------------------------------
u08 AVCLan_Read_Message()
{
STOPEvent; // disable timer1 interrupt
u08 T = 0;
u08 i;
u08 for_me = 0;
//RS232_Print("$ ");
timer0_source(CK64);
// check start bit
timer0_start();
while (INPUT_IS_SET) {
T=TCNT0;
if (T>254) {
STARTEvent;
RS232_Print("LAN>T1\n");
return 0;
}
}
if (T<10) { // !!!!!!! 20 !!!!!!!!!!!
STARTEvent;
RS232_Print("LAN>T2\n");
return 0;
}
broadcast = AVCLan_Read_Byte(1);
parity_bit = 0;
master1 = AVCLan_Read_Byte(4);
master2 = AVCLan_Read_Byte(8);
if ((parity_bit&1)!=AVCLan_Read_Byte(1)) {
STARTEvent;
return 0;
}
parity_bit = 0;
slave1 = AVCLan_Read_Byte(4);
slave2 = AVCLan_Read_Byte(8);
if ((parity_bit&1)!=AVCLan_Read_Byte(1)) {
STARTEvent;
return 0;
}
// is this command for me ?
if ((slave1==CD_ID_1)&&(slave2==CD_ID_2)) {
for_me=1;
}
if (for_me) AVCLan_Send_ACK();
else AVCLan_Read_Byte(1);
parity_bit = 0;
AVCLan_Read_Byte(4); // control - always 0xF
if ((parity_bit&1)!=AVCLan_Read_Byte(1)) {
STARTEvent;
return 0;
}
if (for_me) AVCLan_Send_ACK();
else AVCLan_Read_Byte(1);
parity_bit = 0;
message_len = AVCLan_Read_Byte(8);
if ((parity_bit&1)!=AVCLan_Read_Byte(1)) {
STARTEvent;
return 0;
}
if (for_me) AVCLan_Send_ACK();
else AVCLan_Read_Byte(1);
if (message_len > MAXMSGLEN) {
// RS232_Print("LAN> Command error");
STARTEvent;
return 0;
}
for (i=0; i<message_len; i++) {
parity_bit = 0;
message[i] = AVCLan_Read_Byte(8);
if ((parity_bit&1)!=AVCLan_Read_Byte(1)) {
STARTEvent;
return 0;
}
if (for_me) {
AVCLan_Send_ACK();
} else {
AVCLan_Read_Byte(1);
}
}
STARTEvent;
if (showLog) ShowInMessage();
if (for_me) {
if (CheckCmd((u08*)stat1)) { answerReq = cmStatus1; return 1; }
if (CheckCmd((u08*)stat2)) { answerReq = cmStatus2; return 1; }
if (CheckCmd((u08*)stat3)) { answerReq = cmStatus3; return 1; }
if (CheckCmd((u08*)stat4)) { answerReq = cmStatus4; return 1; }
// if (CheckCmd((u08*)stat5)) { answerReq = cmStatus5; return 1; }
if (CheckCmd((u08*)play_req1)) { answerReq = cmPlayReq1; return 1; }
if (CheckCmd((u08*)play_req2)) { answerReq = cmPlayReq2; return 1; }
if (CheckCmd((u08*)play_req3)) { answerReq = cmPlayReq3; return 1; }
if (CheckCmd((u08*)stop_req)) { answerReq = cmStopReq; return 1; }
if (CheckCmd((u08*)stop_req2)) { answerReq = cmStopReq2; return 1; }
} else { // broadcast check
if (CheckCmd((u08*)lan_playit)) { answerReq = cmPlayIt; return 1; }
if (CheckCmd((u08*)lan_check)) {
answerReq = cmCheck;
CMD_CHECK[6]=message[3];
return 1;
}
if (CheckCmd((u08*)lan_reg)) { answerReq = cmRegister; return 1; }
if (CheckCmd((u08*)lan_init)) { answerReq = cmInit; return 1; }
if (CheckCmd((u08*)lan_stat1)) { answerReq = cmStatus1; return 1; }
}
answerReq = cmNull;
return 1;
}
//------------------------------------------------------------------------------
u08 AVCLan_SendData()
{
u08 i;
STOPEvent;
// wait for free line
u08 T=0;
u08 line_busy = 1;
timer0_source(CK64);
timer0_start();
do {
while (INPUT_IS_CLEAR) {
T = TCNT0;
if (T >= 25) break;
}
if (T > 24) line_busy=0;
} while (line_busy);
// switch to output mode
AVC_OUT_EN();
AVCLan_Send_StartBit();
AVCLan_Send_Byte(0x1, 1); // regular communication
parity_bit = 0;
AVCLan_Send_Byte(CD_ID_1, 4); // CD Changer ID as master
AVCLan_Send_Byte(CD_ID_2, 8);
AVCLan_Send_ParityBit();
AVCLan_Send_Byte(HU_ID_1, 4); // HeadUnit ID as slave
AVCLan_Send_Byte(HU_ID_2, 8);
AVCLan_Send_ParityBit();
if (AVCLan_Read_ACK()) {
AVC_OUT_DIS();
STARTEvent;
RS232_Print("E1\n");
return 1;
}
AVCLan_Send_Byte(0xF, 4); // 0xf - control -> COMMAND WRITE
AVCLan_Send_ParityBit();
if (AVCLan_Read_ACK()) {
AVC_OUT_DIS();
STARTEvent;
RS232_Print("E2\n");
return 2;
}
AVCLan_Send_Byte(data_len, 8);// data lenght
AVCLan_Send_ParityBit();
if (AVCLan_Read_ACK()) {
AVC_OUT_DIS();
STARTEvent;
RS232_Print("E3\n");
return 3;
}
for (i=0;i<data_len;i++) {
AVCLan_Send_Byte(data[i], 8);// data byte
AVCLan_Send_ParityBit();
if (AVCLan_Read_ACK()) {
AVC_OUT_DIS();
STARTEvent;
RS232_Print("E4(");
RS232_PrintDec(i);
RS232_Print(")\n");
return 4;
}
}
// back to read mode
AVC_OUT_DIS();
STARTEvent;
if (showLog) ShowOutMessage();
return 0;
}
//------------------------------------------------------------------------------
u08 AVCLan_SendDataBroadcast()
{
u08 i;
STOPEvent;
// wait for free line
u08 T=0;
u08 line_busy = 1;
timer0_source(CK64);
timer0_start();
do {
while (INPUT_IS_CLEAR) {
T = TCNT0;
if (T >= 25) break;
}
if (T > 24) line_busy=0;
} while (line_busy);
AVC_OUT_EN();
AVCLan_Send_StartBit();
AVCLan_Send_Byte(0x0, 1); // broadcast
parity_bit = 0;
AVCLan_Send_Byte(CD_ID_1, 4); // CD Changer ID as master
AVCLan_Send_Byte(CD_ID_2, 8);
AVCLan_Send_ParityBit();
AVCLan_Send_Byte(0x1, 4); // all audio devices
AVCLan_Send_Byte(0xFF, 8);
AVCLan_Send_ParityBit();
AVCLan_Send_Bit1();
AVCLan_Send_Byte(0xF, 4); // 0xf - control -> COMMAND WRITE
AVCLan_Send_ParityBit();
AVCLan_Send_Bit1();
AVCLan_Send_Byte(data_len, 8); // data lenght
AVCLan_Send_ParityBit();
AVCLan_Send_Bit1();
for (i=0;i<data_len;i++) {
AVCLan_Send_Byte(data[i], 8); // data byte
AVCLan_Send_ParityBit();
AVCLan_Send_Bit1();
}
AVC_OUT_DIS();
STARTEvent;
if (showLog) ShowOutMessage();
return 0;
}
//------------------------------------------------------------------------------
u08 AVCLan_SendAnswerFrame(u08 *cmd)
{
u08 i;
u08 *c;
u08 b;
c = cmd;
b = *c++;
data_control = 0xF;
data_len = *c++;
for (i=0; i<data_len; i++) {
data[i]= *c++;
}
if (b)
return AVCLan_SendData();
else
return AVCLan_SendDataBroadcast();
}
//------------------------------------------------------------------------------
u08 AVCLan_SendMyData(u08 *data_tmp, u08 s_len)
{
u08 i;
u08 *c;
c = data_tmp;
data_control = 0xF;
data_len = s_len;
for (i=0; i<data_len; i++) {
data[i]= *c++;
}
return AVCLan_SendData();
}
//------------------------------------------------------------------------------
u08 AVCLan_SendMyDataBroadcast(u08 *data_tmp, u08 s_len)
{
u08 i;
u08 *c;
c = data_tmp;
data_control = 0xF;
data_len = s_len;
for (i=0; i<data_len; i++) {
data[i]= *c++;
}
return AVCLan_SendDataBroadcast();
}
//------------------------------------------------------------------------------
u08 AVCLan_SendInitCommands()
{
u08 r;
const u08 c1[] = { 0x0, 0x0B, 0x63, 0x31, 0xF1, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x80 };
const u08 c2[] = { 0x0, 0x0A, 0x63, 0x31, 0xF3, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x02 };
const u08 c3[] = { 0x0, 0x0A, 0x63, 0x31, 0xF3, 0x00, 0x3F, 0x00, 0x01, 0x00, 0x01, 0x02 };
const u08 c4[] = { 0x0, 0x0A, 0x63, 0x31, 0xF3, 0x00, 0x3D, 0x00, 0x01, 0x00, 0x01, 0x02 };
const u08 c5[] = { 0x0, 0x0A, 0x63, 0x31, 0xF3, 0x00, 0x39, 0x00, 0x01, 0x00, 0x01, 0x02 };
const u08 c6[] = { 0x0, 0x0A, 0x63, 0x31, 0xF3, 0x00, 0x31, 0x00, 0x01, 0x00, 0x01, 0x02 };
const u08 c7[] = { 0x0, 0x0A, 0x63, 0x31, 0xF3, 0x00, 0x21, 0x00, 0x01, 0x00, 0x01, 0x02 };
const u08 c8[] = { 0x0, 0x0B, 0x63, 0x31, 0xF1, 0x00, 0x90, 0x01, 0xFF, 0xFF, 0xFF, 0x00, 0x80 };
const u08 c9[] = { 0x0, 0x0A, 0x63, 0x31, 0xF3, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x02 };
const u08 cA[] = { 0x0, 0x0B, 0x63, 0x31, 0xF1, 0x00, 0x30, 0x01, 0xFF, 0xFF, 0xFF, 0x00, 0x80 };
r = AVCLan_SendAnswerFrame((u08*)c1);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c2);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c3);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c4);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c5);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c6);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c7);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c8);
if (!r) r = AVCLan_SendAnswerFrame((u08*)c9);
if (!r) r = AVCLan_SendAnswerFrame((u08*)cA);
//const u08 c1[] = { 0x0, 0x0B, 0x63, 0x31, 0xF1, 0x00, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x80 };
//r = AVCLan_SendAnswerFrame((u08*)c1);
return r;
}
//------------------------------------------------------------------------------
void AVCLan_Send_Status()
{
// disc track t_min t_sec
u08 STATUS[] = {0x0, 0x0B, 0x63, 0x31, 0xF1, 0x01, 0x10, 0x01, 0x01, 0x00, 0x00, 0x00, 0x80 };
STATUS[7] = cd_Disc;
STATUS[8] = cd_Track;
STATUS[9] = cd_Time_Min;
STATUS[10] = cd_Time_Sec;
STATUS[11] = 0;
AVCLan_SendAnswerFrame((u08*)STATUS);
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
u08 AVCLan_SendAnswer()
{
u08 r = 0 ;
switch (answerReq) {
case cmStatus1: r = AVCLan_SendAnswerFrame((u08*)CMD_STATUS1);
break;
case cmStatus2: r = AVCLan_SendAnswerFrame((u08*)CMD_STATUS2);
break;
case cmStatus3: r = AVCLan_SendAnswerFrame((u08*)CMD_STATUS3);
break;
case cmStatus4: r = AVCLan_SendAnswerFrame((u08*)CMD_STATUS4);
break;
case cmRegister: r = AVCLan_SendAnswerFrame((u08*)CMD_REGISTER);
break;
case cmInit: //RS232_Print("INIT\n");
r = AVCLan_SendInitCommands();
break;
case cmCheck: r = AVCLan_SendAnswerFrame((u08*)CMD_CHECK);
check_timeout = 0;
CMD_CHECK[6]++;
RS232_Print("AVCCHK\n");
break;
case cmPlayReq1: playMode = 0;
r = AVCLan_SendAnswerFrame((u08*)CMD_PLAY_OK1);
break;
case cmPlayReq2:
case cmPlayReq3: playMode = 0;
r = AVCLan_SendAnswerFrame((u08*)CMD_PLAY_OK2);
if (!r) r = AVCLan_SendAnswerFrame((u08*)CMD_PLAY_OK3);
CD_Mode = stPlay;
break;
case cmPlayIt: playMode = 1;
RS232_Print("PLAY\n");
CMD_PLAY_OK4[7]=cd_Disc;
CMD_PLAY_OK4[8]=cd_Track;
CMD_PLAY_OK4[9]=cd_Time_Min;
CMD_PLAY_OK4[10]=cd_Time_Sec;
r = AVCLan_SendAnswerFrame((u08*)CMD_PLAY_OK4);
if (!r) AVCLan_Send_Status();
CD_Mode = stPlay;
break;
case cmStopReq:
case cmStopReq2: CD_Mode = stStop;
playMode = 0;
r = AVCLan_SendAnswerFrame((u08*)CMD_STOP1);
CMD_STOP2[7]=cd_Disc;
CMD_STOP2[8]=cd_Track;
CMD_STOP2[9]=cd_Time_Min;
CMD_STOP2[10]=cd_Time_Sec;
r = AVCLan_SendAnswerFrame((u08*)CMD_STOP2);
break;
case cmBeep: AVCLan_SendAnswerFrame((u08*)CMD_BEEP);
break;
}
answerReq = cmNull;
return r;
}
//------------------------------------------------------------------------------
void AVCLan_Register()
{
RS232_Print("REG_ST\n");
AVCLan_SendAnswerFrame((u08*)CMD_REGISTER);
RS232_Print("REG_END\n");
//AVCLan_Command( cmRegister );
AVCLan_Command( cmInit );
}
//------------------------------------------------------------------------------
u08 AVCLan_Command(u08 command)
{
u08 r;
answerReq = command;
r = AVCLan_SendAnswer();
/*
RS232_Print("ret=");
RS232_PrintHex8(r);
RS232_Print("\n");
*/
return r;
}
//------------------------------------------------------------------------------
u08 HexInc(u08 data)
{
if ((data & 0x9)==0x9)
return (data + 7);
return (data+1);
}
//------------------------------------------------------------------------------
u08 HexDec(u08 data)
{
if ((data & 0xF)==0)
return (data - 7);
return (data-1);
}
//------------------------------------------------------------------------------
// encode decimal valute to 'toyota' format :-)
// ex. 42 (dec) = 0x42 (toy)
u08 Dec2Toy(u08 data)
{
u08 d,d1;
d = (u32)data/(u32)10;
d1 = d * 16;
d = d1 + (data - 10*d);
return d;
}
//------------------------------------------------------------------------------
void ShowInMessage()
{
if (message_len==0) return;
AVC_HoldLine();
RS232_S((u16)PSTR("HU < ("));
if (broadcast==0) RS232_S((u16)PSTR("bro) "));
else RS232_Print("dir) ");
RS232_PrintHex4(master1);
RS232_PrintHex8(master2);
RS232_Print("| ");
RS232_PrintHex4(slave1);
RS232_PrintHex8(slave2);
RS232_Print("| ");
u08 i;
for (i=0;i<message_len;i++) {
RS232_PrintHex8(message[i]);
RS232_Print(" ");
}
RS232_Print("\n");
AVC_ReleaseLine();
}
//------------------------------------------------------------------------------
void ShowOutMessage()
{
u08 i;
AVC_HoldLine();
RS232_S((u16)PSTR("out > "));
for (i=0; i<data_len; i++) {
RS232_PrintHex8(data[i]);
RS232_SendByte(' ');
}
RS232_Print("\n");
AVC_ReleaseLine();
}
//------------------------------------------------------------------------------
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