I installed a 2nd unit into my friend's dad's 9-5 today. Had to adjust the code slightly, but not much. Just the CD changer code. Apparently the 9-5 sends a code to the CD changer, and the CD changer has to respond with a code. Not like how the 9-3 works. But it was a simple software change and we got it working! Code is below. I'm sure it could all be contained into one program, but I haven't tested it so I don't wanna post it and it not work.
The 9-5 apparently sends a 6A1 command to the CD changer, and the CD changer has to respond with a 6A2 command that says "I'm here, I'm ok!". In the code below, this command is the "ninefivecmd" array of hex codes :) I found this information
Here
Also, I wanted to add that I bought these connectors at Radio Shack for $3/ea and they worked great!
9-Position Male Polarized Connector, PN 274-229 and
9-Position Female Polarized Connector PN 274-239 You have to crimp the pins with a special tool; in my case it's called a Letherman SuperTool 300 ;)
// ----------------------------------------------
// SECUDUINO
// http://secuduino.blogspot.com/
// By Igor Real
// 16/05/2011
//
// Saab CDC Changer Emulator
// http://BlueSaab.blogspot.com/
// By Seth Evans
// 1 June 2013
// ----------------------------------------------
#include <CAN.h>
int cdbutton = 0;
int toggleshuffle = 1;
int mute = 0;
int CDCcmd[] = {
0xE0,0x00,0x3F,0x31,0xFF,0xFF,0xFF,0xD0};
int ninefivecmd[] = {
0x62,0x00,0x00,0x16,0x01,0x02,0x00,0x00};
int beep[] = {
0x80,0x04,0x00,0x00,0x00,0x00,0x00,0x00};
int playipod[] = {
0xFF,0x55,0x04,0x02,0x00,0x00,0x01,0xF9};
int playpauseipod[] = {
0xFF,0x55,0x03,0x02,0x00,0x01,0xFA};
int stopipod[] = {
0xFF,0x55,0x04,0x02,0x00,0x00,0x02,0xF8};
int next[] = {
0xFF,0x55,0x03,0x02,0x00,0x08,0xF3};
int prev[] = {
0xFF,0x55,0x03,0x02,0x00,0x10,0xEB};
int shuffle[] = {
0xFF,0x55,0x04,0x02,0x00,0x00,0x80,0x7A};
int repeat[] = {
0xFF,0x55,0x05,0x02,0x00,0x00,0x00,0x01,0xF8};
int buttonRelease[] = {
0xFF,0x55,0x03,0x02,0x00,0x00,0xFB};
void setup() {
// set up CAN
CAN.begin(47); // Saab I-Bus is 47.619kbps
Serial.begin(9600);
//cdbutton = 0;
//toggleshuffle = 1;
CAN_TxMsg.header.rtr=0; // this value never changes
CAN_TxMsg.header.length=8; // this value never changes
// not sure if this is needed; pauses program before it loops
delay(2000);
}
void loop() {
//cdbutton = 1;
//PrintBus();
// CDC code needs sent every second or less so all loops
// running added together need to take less than 1000ms
// but no more or the car won't "see" the CDC
CDC();
for (int i = 0; i <= 800; i++) {
if (CAN.CheckNew()) {
CAN_TxMsg.data[0]++;
CAN.ReadFromDevice(&CAN_RxMsg);
//PrintBus();
if (CAN_RxMsg.id==0x6A1) {
CAN_TxMsg.id=0x6A2; // CD Changer
for (int c = 0; c < 8; c++) {
CAN_TxMsg.data[c]=ninefivecmd[c];
}
CAN.send(&CAN_TxMsg);
}
if (CAN_RxMsg.id==0x3C0) {
if (CAN_RxMsg.data[0]==0x80) {
switch (CAN_RxMsg.data[1]) {
case 0x24:
cdbutton = 1;
for (int j = 0; j < 8; j++) {
Serial.write(byte(beep[j]));
}
for (int j = 0; j < 9; j++) {
Serial.write(byte(playipod[j]));
}
delay(3);
//Serial.println("Release");
for (int i = 0; i < 8; i++) {
Serial.write(byte(buttonRelease[i]));
}
break;
case 0x14:
cdbutton = 0;
for (int a = 1; a <=2; a++) {
for (int j = 0; j < 8; j++) {
Serial.write(byte(beep[j]));
}
}
for (int j = 0; j < 9; j++) {
Serial.write(byte(stopipod[j]));
}
delay(3);
//Serial.println("Release");
for (int i = 0; i < 8; i++) {
Serial.write(byte(buttonRelease[i]));
}
//Serial.println("Radio");
break;
}
if (cdbutton == 1) {
switch (CAN_RxMsg.data[1]) {
case 0x59: // NXT button signal
for (int j = 0; j < 10; j++) {
Serial.write(byte(playpauseipod[j]));
}
break;
case 0x76: // Long press of CD/RDM button
if (toggleshuffle > 3) {
toggleshuffle = 1;
}
switch (toggleshuffle) {
case 1:
for (int j = 0; j < 10; j++) {
Serial.write(byte(repeat[j]));
}
break;
case 2:
for (int j = 0; j < 10; j++) {
Serial.write(byte(repeat[j]));
}
break;
case 3:
for (int j = 0; j < 10; j++) {
Serial.write(byte(repeat[j]));
}
for (int j = 0; j < 9; j++) {
Serial.write(byte(shuffle[j]));
}
break;
}
toggleshuffle++;
//break;
case 0xB1: // Audio mute on?
for (int j = 0; j < 9; j++) {
Serial.write(byte(stopipod[j]));
}
break;
case 0xB0: // Audio mute off?
for (int j = 0; j < 9; j++) {
Serial.write(byte(playipod[j]));
}
break;
}
delay(3);
//Serial.println("Release");
for (int i = 0; i < 8; i++) {
Serial.write(byte(buttonRelease[i]));
}
}
}
}
if (CAN_RxMsg.id==0x290) {
if (CAN_RxMsg.data[0]==0x80) {
if (cdbutton == 1) {
switch (CAN_RxMsg.data[2]) {
//case 0x04: // NXT button on wheel
//for (int j = 0; j < 10; j++) {
//Serial.write(byte(repeat[j]));
//}
//break;
case 0x10: // Seek+ button on wheel
//Serial.println("Next");
for (int j = 0; j < 8; j++) {
Serial.write(byte(next[j]));
}
break;
case 0x08: // Seek- button on wheel
//Serial.println("Prev");
for (int k = 0; k < 8; k++) {
Serial.write(byte(prev[k]));
}
break;
}
delay(3);
//Serial.println("Release");
for (int i = 0; i < 8; i++) {
Serial.write(byte(buttonRelease[i]));
}
}
}
}
}
delay(1);
}
if (cdbutton==1) {
//Serial.println("iPod ON");
iPodOn();
}
else {
//Serial.println("iPod OFF");
//iPodOff();
//delay(400);
}
}
void CDC() {
CAN_TxMsg.id=0x3C8; // CD Changer
for (int c = 0; c < 8; c++) {
CAN_TxMsg.data[c]=CDCcmd[c];
}
CAN.send(&CAN_TxMsg);
}
void iPodOn() {
// This loop takes 50ms
CAN_TxMsg.id=0x328; // SID audio text
CAN_TxMsg.data[0]=0x42; // message 2
CAN_TxMsg.data[1]=0x96;
CAN_TxMsg.data[2]=0x02; // Row 2
CAN_TxMsg.data[3]=0x20; // _
CAN_TxMsg.data[4]=0x69; // i
CAN_TxMsg.data[5]=0x53; // S
CAN_TxMsg.data[6]=0x61; // a
CAN_TxMsg.data[7]=0x61; // a
CAN.send(&CAN_TxMsg);
delay(10);
CAN_TxMsg.data[0]=0x01; // message 1
CAN_TxMsg.data[3]=0x62; // b
CAN_TxMsg.data[4]=0x20; // _
CAN_TxMsg.data[5]=0x41; // A
CAN_TxMsg.data[6]=0x75; // u
CAN_TxMsg.data[7]=0x78; // x
CAN.send(&CAN_TxMsg);
delay(10);
CAN_TxMsg.data[0]=0x00; // message 0
CAN_TxMsg.data[3]=0x20; // _
CAN_TxMsg.data[4]=0x20; // _
CAN_TxMsg.data[5]=0x20; //
CAN_TxMsg.data[6]=0x20; //
CAN_TxMsg.data[7]=0x20; //
CAN.send(&CAN_TxMsg);
delay(10);
CAN_TxMsg.id=0x348; // audio text control
CAN_TxMsg.data[0]=0x11;
CAN_TxMsg.data[1]=0x02; // Row 2
CAN_TxMsg.data[2]=0x05;
CAN_TxMsg.data[3]=0x18; // priority 18?
CAN_TxMsg.data[4]=0x00;
CAN_TxMsg.data[5]=0x00;
CAN_TxMsg.data[6]=0x00;
CAN_TxMsg.data[7]=0x00;
CAN.send(&CAN_TxMsg);
delay(10);
CAN_TxMsg.id=0x368; // SID text priority
CAN_TxMsg.data[0]=0x02; // Row 2
CAN_TxMsg.data[1]=0x18; // priority 18?
CAN_TxMsg.data[2]=0x00;
CAN_TxMsg.data[3]=0x00;
CAN_TxMsg.data[4]=0x00;
CAN_TxMsg.data[5]=0x00;
CAN_TxMsg.data[6]=0x00;
CAN_TxMsg.data[7]=0x00;
CAN.send(&CAN_TxMsg);
delay(10);
}
void PrintBus() {
// if (CAN_RxMsg.id==0x3b0) {
Serial.print(CAN_RxMsg.id,HEX);
Serial.print(";");
for (int i = 0; i < 8; i++) {
Serial.print(CAN_RxMsg.data[i],HEX);
Serial.print(";");
}
Serial.println("");
//}
}
