Julie Freeman
Code for Mbed Dashboard project. http://developer.mbed.org/users/julieefreeman/notebook/mbed-dashboard---obdii/
Dependencies: 4DGL-uLCD-SE SDFileSystem mbed-rtos mbed
ecu_reader.cpp
- Committer:
- julieefreeman
- Date:
- 2014-12-09
- Revision:
- 0:2fa4b8d8fbd0
File content as of revision 0:2fa4b8d8fbd0:
#include "mbed.h"
#include "ecu_reader.h"
#include "globals.h"
// Use a timer to see if things take too long
Timer CANTimer;
namespace mbed {
ecu_reader::ecu_reader(int can_speed) {
can2.frequency(can_speed);
}
#define TIMEOUT 1000
unsigned char ecu_reader::request(unsigned char pid, char *buffer, char *buffer2, char *buffer3, char *buffer4) {
led1 = 1;
char can_msg[8];
float engine_data;
can_msg[0] = 0x02;
can_msg[1] = 0x01;
can_msg[2] = pid;
can_msg[3] = 0;
can_msg[4] = 0;
can_msg[5] = 0;
can_msg[6] = 0;
can_msg[7] = 0;
if (pid==VIN_MACRO) {
can_msg[1] = 0x9;
can_msg[2] = 0x2;
}
if (can2.write(CANMessage(PID_REQUEST, can_msg, 8))) {
pc.printf("*********Request write passed*********\n\r");
} else {
pc.printf("*********Request write failed*********\n\r");
}
led1 = 0;
CANTimer.reset();
CANTimer.start();
while (CANTimer.read_ms() < TIMEOUT) {
if (can2.read(can_MsgRx, 0)) {
if (((can_MsgRx.id == PID_REPLY) && can_MsgRx.data[2] == pid)) { //(can_MsgRx.id == PID_REPLY) &&
pc.printf("Valid OBD-II PID reply\n\r");
/* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */
switch (can_MsgRx.data[2]) { /* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */
case PID_0_20: // PID 0-20 Supported
PID020 = ((can_MsgRx.data[3] << 24) | (can_MsgRx.data[4] << 16) | (can_MsgRx.data[5] << 8) | (can_MsgRx.data[6]));
break;
case STATUS_DTC: { // bit encoded
if (can_MsgRx.data[4] & 0x04) { //Compression Ignition (Diesel)
if (can_MsgRx.data[3] & 0x80) { //MIL Light on
engine_data = (can_MsgRx.data[3] - 128);
sprintf(buffer,"MIL ON, %d DTCs", (int) engine_data);
} else { //MIL Light off
engine_data = (can_MsgRx.data[3]);
sprintf(buffer,"MIL OFF, %d DTCs", (int) engine_data);
}
// Diesel C and D bytes (can_MsgRx.data[5] and can_MsgRx.data[6])
// Test available Test incomplete
// Catalyst C0 D0
// Heated Catalyst C1 D1
// Evap System C2 D2
// Secondary Air C3 D3
// A/C Refrigerant C4 D4
// O2 Sensor C5 D5
// O2 Sensor Heater C6 D6
// EGR System C7 D7
} else { //Spark Ignition (Gasoline)
if (can_MsgRx.data[3] & 0x80) { //MIL Light on
engine_data = (can_MsgRx.data[3] - 128);
sprintf(buffer,"MIL ON, %d DTCs", (int) engine_data);
} else { //MIL Light off
engine_data = (can_MsgRx.data[3]);
sprintf(buffer,"MIL OFF, %d DTCs", (int) engine_data);
}
// Gasoline C and D bytes (can_MsgRx.data[5] and can_MsgRx.data[6])
// Test available Test incomplete
// NMHC Catalyst C0 D0
// NOx/SCR Monitoring C1 D1
// Boost Pressure C3 D3
// Exhaust Gas Sensor C5 D5
// Particulate Filter C6 D6
// EGR and/or VVT/VTEC C7 D7
}
// Common Tests between Gas and Diesel Engines, byte B (can_MsgRx.data[4])
// Test available Test incomplete
// Misfire B0 B4
// Fuel System B1 B5
// Components B2 B6
break;
}
case FREEZE_DTC: // Locks in Diagnostic trouble Codes
break;
case FUEL_SYS_STATUS: // bit encoded
//This tells us the warmup status of the engine. Only 1 bit should be set
engine_data = can_MsgRx.data[3];
if (((int) engine_data) & 0x01) { // Open loop - Engine warmup
sprintf(buffer,"Open Loop - Warmup");
}
if (((int) engine_data) & 0x02) { // Closed Loop - O2 Sensor feedback
sprintf(buffer,"Closed Loop - Normal");
}
if (((int) engine_data) & 0x04) { // Open loop,
sprintf(buffer,"Open Loop-Load/Decel");
}
if (((int) engine_data) & 0x08) { // Open loop - system failure
sprintf(buffer,"Open Loop - FAILURE");
}
if (((int) engine_data) & 0x10) { // Closed Loop - O2 Sensor feedback failure
sprintf(buffer,"Closed Loop - O2Fail");
}
if ((((int) engine_data) & 0x20) | (((int) engine_data) & 0x40) | (((int) engine_data) & 0x80)) { //These shouldnt be on, assume Proprietary status
sprintf(buffer,"Unsupported Status");
}
break;
case ENGINE_LOAD: // A*100/255
engine_data = (can_MsgRx.data[3]*100)/255;
sprintf(buffer,"%d %% ",(int) engine_data);
break;
case ENGINE_COOLANT_TEMP: // A-40 [degree C]
engine_data = can_MsgRx.data[3] - 40;
sprintf(buffer,"%d",(int) engine_data);
break;
case ST_FUEL_TRIM_1: // (A-128)*100/128
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %% ", (int) engine_data);
break;
case LT_FUEL_TRIM_1: // (A-128)*100/128
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %% ", (int) engine_data);
break;
case ST_FUEL_TRIM_2: // (A-128)*100/128
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %% ", (int) engine_data);
break;
case LT_FUEL_TRIM_2: // (A-128)*100/128
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %% ", (int) engine_data);
break;
case FUEL_PRESSURE: // A*3
engine_data = (can_MsgRx.data[3]*3);
sprintf(buffer,"%d kPa",(int) engine_data);
break;
case INTAKE_PRESSURE: // A
engine_data = can_MsgRx.data[3];
sprintf(buffer,"%d kPa",(int) engine_data);
break;
case ENGINE_RPM: // ((A*256)+B)/4 [RPM]
engine_data = ((can_MsgRx.data[3]*256) + can_MsgRx.data[4])/4;
//sprintf(buffer,"%d rpm ",(int) engine_data);
sprintf(buffer,"%d",(int) engine_data);
break;
case VEHICLE_SPEED: // A [km/h]
engine_data = can_MsgRx.data[3];
sprintf(buffer,"%d",(int) engine_data);
break;
case TIMING_ADVANCE: // A/2 - 64
engine_data = (can_MsgRx.data[3]/2) - 64;
sprintf(buffer,"%d Deg",(int) engine_data);
break;
case INTAKE_TEMP: // A - 40
engine_data = (can_MsgRx.data[3] - 40);
sprintf(buffer,"%d DegC",(int) engine_data);
break;
case MAF_SENSOR: // ((256*A)+B) / 100 [g/s]
engine_data = ((can_MsgRx.data[3]*256) + can_MsgRx.data[4])/100;
sprintf(buffer,"%d g/s",(int) engine_data);
break;
case THROTTLE: // A*100/255
engine_data = (can_MsgRx.data[3]*100)/255;
sprintf(buffer,"%d %% ",(int) engine_data);
break;
case COMMANDED_SEC_AIR: // bit encoded
engine_data = can_MsgRx.data[3];
if (((int) engine_data) & 0x01) { //Upstream of Catalytic Converter
sprintf(buffer,"Upstream of Cat.");
}
if (((int) engine_data) & 0x02) { //Downstream of Catalytic Converter
sprintf(buffer,"Downstream of Cat.");
}
if (((int) engine_data) & 0x04) { //From outside atmosphere or off
sprintf(buffer,"Off");
}
break;
case O2_SENS_PRES: { // A [A0..A3] == Bank 1, [A4..A7] == Bank 2
engine_data = (can_MsgRx.data[3]); //Check # of O2 sensors present by masking individual bits and counting
int o2pres = 0;
if (((int) engine_data) & 0x01) { // Bank 1 Sensor 1
o2pres++;
}
if (((int) engine_data) & 0x02) { // Bank 1 Sensor 2
o2pres++;
}
if (((int) engine_data) & 0x04) { // Bank 1 Sensor 3
o2pres++;
}
if (((int) engine_data) & 0x08) { // Bank 1 Sensor 4
o2pres++;
}
if (((int) engine_data) & 0x10) { // Bank 2 Sensor 1
o2pres++;
}
if (((int) engine_data) & 0x20) { // Bank 2 Sensor 2
o2pres++;
}
if (((int) engine_data) & 0x40) { // Bank 2 Sensor 3
o2pres++;
}
if (((int) engine_data) & 0x80) { // Bank 2 Sensor 4
o2pres++;
}
sprintf(buffer,"%d Present",(int) o2pres);
break;
}
case O2_B1S1_VOLTAGE: // A/200, (B-128) * 100/128
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data); //Raw O2 Voltage
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data); //Calculated lean/rich
}
break;
case O2_B1S2_VOLTAGE: //
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data);
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data);
}
break;
case O2_B1S3_VOLTAGE: //
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data);
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data);
}
break;
case O2_B1S4_VOLTAGE: //
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data);
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data);
}
break;
case O2_B2S1_VOLTAGE: //
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data);
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data);
}
break;
case O2_B2S2_VOLTAGE: //
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data);
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data);
}
break;
case O2_B2S3_VOLTAGE: { //
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data);
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data);
}
break;
}
case O2_B2S4_VOLTAGE: { //
engine_data = (can_MsgRx.data[3]/200);
sprintf(buffer,"%d V ",(int) engine_data);
if (can_MsgRx.data[4] & 0xFF) {
sprintf(buffer,"Not Present");
} else {
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer2,"%d %% ",(int) engine_data);
}
break;
}
case OBDII_STANDARDS: { //bit encoded NOT DONE
engine_data = can_MsgRx.data[3];
if (((int) engine_data) & 0x0D) { //JOBD, EOBD, and OBD II
sprintf(buffer,"JOBD,EOBD,OBDII");
}
if (((int) engine_data) & 0x0C) { //JOBD and EOBD
sprintf(buffer,"JOBD,EOBD");
}
if (((int) engine_data) & 0x0B) { //JOBD and OBDII
sprintf(buffer,"JOBD,OBDII");
}
if (((int) engine_data) & 0x0A) { //JOBD
sprintf(buffer,"JOBD");
}
if (((int) engine_data) & 0x09) { //EOBD, OBD, and OBD II
sprintf(buffer,"EOBD,OBDI,OBDII");
}
if (((int) engine_data) & 0x08) { //EOBD and OBD
sprintf(buffer,"EOBD,OBDI");
}
if (((int) engine_data) & 0x07) { //EOBD and OBDII
sprintf(buffer,"EOBD,OBDII");
}
if (((int) engine_data) & 0x06) { //EOBD
sprintf(buffer,"EOBD");
}
if (((int) engine_data) & 0x05) { //Not meant to comply with any OBD standard
sprintf(buffer,"No Compliance");
}
if (((int) engine_data) & 0x04) { //OBDI
sprintf(buffer,"OBDI");
}
if (((int) engine_data) & 0x03) { //OBD and OBDII
sprintf(buffer,"OBDI,OBDII");
}
if (((int) engine_data) & 0x02) { //OBD and defined by the EPA
sprintf(buffer,"OBD");
}
if (((int) engine_data) & 0x01) { //OBD-II as defined by CARB
sprintf(buffer,"OBDII");
}
sprintf(buffer,"ERROR");
break;
}
case O2_SENS_PRES_ALT: { //*******************
engine_data = (can_MsgRx.data[3]); //Check # of O2 sensors present by masking individual bits and counting
int o2presalt = 0;
if (((int) engine_data) & 0x01) { // Bank 1 Sensor 1
o2presalt++;
}
if (((int) engine_data) & 0x02) { // Bank 1 Sensor 2
o2presalt++;
}
if (((int) engine_data) & 0x04) { // Bank 2 Sensor 1
o2presalt++;
}
if (((int) engine_data) & 0x08) { // Bank 2 Sensor 2
o2presalt++;
}
if (((int) engine_data) & 0x10) { // Bank 3 Sensor 1
o2presalt++;
}
if (((int) engine_data) & 0x20) { // Bank 3 Sensor 2
o2presalt++;
}
if (((int) engine_data) & 0x40) { // Bank 4 Sensor 1
o2presalt++;
}
if (((int) engine_data) & 0x80) { // Bank 4 Sensor 2
o2presalt++;
}
sprintf(buffer,"%d Present",(int) o2presalt);
break;
}
case AUX_IN_STATUS: { // A (A0 == PTO Active)
engine_data = can_MsgRx.data[3];
if (((int) engine_data) & 0x01) {
sprintf(buffer,"PTO Active");
} else {
sprintf(buffer,"PTO Inactive");
}
break;
}
case ENGINE_RUNTIME: // (A*256)+B
engine_data = (can_MsgRx.data[3]*256)+(can_MsgRx.data[4]);
sprintf(buffer,"%d Sec",(int) engine_data);
break;
case PID_21_40: // bit encoded NOT DONE
PID2140 = ((can_MsgRx.data[3] << 24) | (can_MsgRx.data[4] << 16) | (can_MsgRx.data[5] << 8) | (can_MsgRx.data[6]));
break;
case DIST_TRAVELED_MIL: // (A*256) + B
engine_data = ((can_MsgRx.data[3] * 256) + can_MsgRx.data[4]);
sprintf(buffer,"%d",(int) engine_data);
break;
case FUEL_RAIL_PRESSURE: // ((A*256)+B)*0.079
engine_data = ((can_MsgRx.data[3] * 256)+can_MsgRx.data[4])*0.079;
sprintf(buffer,"%d kPa",(int) engine_data);
break;
case FUEL_RAIL_PRES_ALT: // ((A*256)+B)*0.079
engine_data = ((can_MsgRx.data[3] * 256) + can_MsgRx.data[4])*10;
sprintf(buffer,"%d kPa",(int) engine_data);
break;
case O2S1_WR_LAMBDA_V: // ((A*256)+B)*2/65535 [ratio], ((C*256)+D)*8/65535 [V]
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case O2S2_WR_LAMBDA_V: //
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case O2S3_WR_LAMBDA_V: //
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case O2S4_WR_LAMBDA_V: //
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case O2S5_WR_LAMBDA_V: //
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case O2S6_WR_LAMBDA_V: //
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case O2S7_WR_LAMBDA_V: //
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case O2S8_WR_LAMBDA_V: //
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535);
sprintf(buffer2,"%d V",(int) engine_data);
break;
case COMMANDED_EGR: // 100*A/255
engine_data = (can_MsgRx.data[3]*100/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case EGR_ERROR: // (A-128)*100/128
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
break;
case COMMANDED_EVAP_P: // 100*A/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case FUEL_LEVEL: //100*A/255
engine_data = ((100*can_MsgRx.data[3])/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case WARMUPS_SINCE_CLR: //A
engine_data = (can_MsgRx.data[3]);
sprintf(buffer,"%d Warmups",(int) engine_data);
break;
case DIST_SINCE_CLR: //A*256+B [km]
engine_data = ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]);
sprintf(buffer,"%d",(int) engine_data);
break;
case EVAP_PRESSURE: //((A*256)+B)/4
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/4);
sprintf(buffer,"%d Pa",(int) engine_data); //Yes it's in pascals
break;
case BAROMETRIC_PRESSURE: //A
engine_data = can_MsgRx.data[3];
sprintf(buffer,"%d kPa",(int) engine_data);
break;
case O2S1_WR_LAMBDA_I: //((A*256)+B)/32,768 [Ratio], ((C*256)+D)/256 - 128 [mA]
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case O2S2_WR_LAMBDA_I:
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case O2S3_WR_LAMBDA_I:
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case O2S4_WR_LAMBDA_I:
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case O2S5_WR_LAMBDA_I:
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case O2S6_WR_LAMBDA_I:
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case O2S7_WR_LAMBDA_I:
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case O2S8_WR_LAMBDA_I:
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128);
sprintf(buffer2,"%d mA",(int) engine_data);
break;
case CAT_TEMP_B1S1: //((A*256)+B)/10 - 40 [DegC]
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40);
sprintf(buffer,"%d DegC",(int) engine_data);
break;
case CAT_TEMP_B1S2:
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40);
sprintf(buffer,"%d DegC",(int) engine_data);
break;
case CAT_TEMP_B2S1:
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40);
sprintf(buffer,"%d DegC",(int) engine_data);
break;
case CAT_TEMP_B2S2:
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40);
sprintf(buffer,"%d DegC",(int) engine_data);
break;
case PID_41_60: //bit encoded NOT DONE
PID4160 = ((can_MsgRx.data[3] << 24) | (can_MsgRx.data[4] << 16) | (can_MsgRx.data[5] << 8) | (can_MsgRx.data[6]));
break;
case MONITOR_STATUS: // bit encoded
//LUT: (Uses multiple bytes) A7..0 always 0
// Test enabled Test Incomplete
// Misfire B0 B4
// Fuel System B1 B5
// Components B2 B6
// Reserved B3 B7
// Catalyst C0 D0
// Heated Catalyst C1 D1
// Evap System C2 D2
// Sec. Ait system C3 D3
// A/C Refrigerant C4 D4
// O2 Sensor C5 D5
// O2 Sensor Heater C6 D6
// EGR System C7 D7
break;
case ECU_VOLTAGE: //((A*256)+B)/1000 [V]
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/1000);
sprintf(buffer,"%d V",(int) engine_data);
break;
case ABSOLUTE_LOAD: //((A*256)+B)*100/255 [%]
engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case COMMANDED_EQUIV_R: //((A*256)+B)/32768 [Ratio]
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768);
sprintf(buffer,"Ratio %d",(int) engine_data);
break;
case REL_THROTTLE_POS: // A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case AMB_AIR_TEMP: // A-40 [DegC]
engine_data = (can_MsgRx.data[3]-40);
sprintf(buffer,"%d DegC",(int) engine_data);
break;
case ABS_THROTTLE_POS_B: // A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ABS_THROTTLE_POS_C: // A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ACCEL_POS_D: // A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ACCEL_POS_E: // A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ACCEL_POS_F: // A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case COMMANDED_THROTTLE: //A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case TIME_RUN_WITH_MIL: //(A*256)+B [minutes]
engine_data = ((can_MsgRx.data[3]*256)/(can_MsgRx.data[4]));
sprintf(buffer,"%d Mins",(int) engine_data);
break;
case TIME_SINCE_CLR: //(A*256)+B [minutes]
engine_data = ((can_MsgRx.data[3]*256)/(can_MsgRx.data[4]));
sprintf(buffer,"%d Mins",(int) engine_data);
break;
case MAX_R_O2_VI_PRES: //A,B,C,D*10 [Ratio,V,mA,kPa]
engine_data = can_MsgRx.data[3];
sprintf(buffer,"Ratio: %d",(int) engine_data);
engine_data = can_MsgRx.data[4];
sprintf(buffer,"%d V",(int) engine_data);
engine_data = can_MsgRx.data[5];
sprintf(buffer,"%d mA",(int) engine_data);
engine_data = (can_MsgRx.data[6]*10);
sprintf(buffer,"%d kPa",(int) engine_data);
break;
case MAX_AIRFLOW_MAF: //A*10 [g/s]
engine_data = (can_MsgRx.data[3]*10);
sprintf(buffer,"%d g/s",(int) engine_data);
break;
case FUEL_TYPE: // USE LUT NOT DONE
break;
case ETHANOL_PERCENT: //A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ABS_EVAP_SYS_PRES: //1/200 per bit [kPa] ----NOT DONE----
break;
case EVAP_SYS_PRES: // (A*256)+B - 32768 [Pa]
engine_data = ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]-32768);
sprintf(buffer,"%d Pa",(int) engine_data);
break;
case ST_O2_TRIM_B1B3: // ((A-128)*100/128 (B-128)*100/128 [%]
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
break;
case LT_O2_TRIM_B1B3:
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ST_02_TRIM_B2B4:
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
break;
case LT_O2_TRIM_B2B4:
engine_data = ((can_MsgRx.data[3]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
engine_data = ((can_MsgRx.data[4]-128)*(100/128));
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ABS_FUEL_RAIL_PRES: //((A*256)+B)*10 [kPa]
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*10);
sprintf(buffer,"%d kPa",(int) engine_data);
break;
case REL_ACCEL_POS: //A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case HYBRID_BATT_PCT: //A*100/255 [%]
engine_data = ((can_MsgRx.data[3]*100)/255);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ENGINE_OIL_TEMP: //A-40 [DegC]
engine_data = (can_MsgRx.data[3]-40);
sprintf(buffer,"%d DegC",(int) engine_data);
break;
case FUEL_TIMING: //(38655-((A*256)+B))/128
engine_data = ((38655 - ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]))/128);
sprintf(buffer,"%d Deg",(int) engine_data);
break;
case FUEL_RATE: //((A*256)+B)*0.05
engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*0.05);
sprintf(buffer,"%d L/m",(int) engine_data);
break;
case EMISSIONS_STANDARD: //bit encoded ----NOT DONE----
break;
case DEMANDED_TORQUE: //A-125 [%]
engine_data = (can_MsgRx.data[3]-125);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case ACTUAL_TORQUE: //A-125 [%]
engine_data = (can_MsgRx.data[3]-125);
sprintf(buffer,"%d %%",(int) engine_data);
break;
case REFERENCE_TORQUE: //A*256+b [Nm]
engine_data = ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]);
sprintf(buffer,"%d Nm",(int) engine_data);
break;
case ENGINE_PCT_TORQUE: //A-125 idle, B-125 pt 1, C-125, D-125
engine_data = (can_MsgRx.data[3]);
sprintf(buffer,"%d %% - Idle",(int) engine_data);
engine_data = (can_MsgRx.data[4]);
sprintf(buffer2,"%d %% - Point 1",(int) engine_data);
engine_data = (can_MsgRx.data[5]);
sprintf(buffer3,"%d %% - Point 2",(int) engine_data);
engine_data = (can_MsgRx.data[6]);
sprintf(buffer4,"%d %% - Point 3",(int) engine_data);
break;
case AUX_IO_SUPPORTED: //Bit encoded ----NOT DONE----
break;
case P_MAF_SENSOR:
sprintf(buffer,"Not supported");
break;
case P_ENGINE_COOLANT_T:
sprintf(buffer,"Not supported");
break;
case P_INTAKE_TEMP:
sprintf(buffer,"Not supported");
break;
case P_COMMANDED_EGR:
sprintf(buffer,"Not supported");
break;
case P_COMMANDED_INTAKE:
sprintf(buffer,"Not supported");
break;
case P_EGR_TEMP:
sprintf(buffer,"Not supported");
break;
case P_COMMANDED_THROT:
sprintf(buffer,"Not supported");
break;
case P_FUEL_PRESSURE:
sprintf(buffer,"Not supported");
break;
case P_FUEL_INJ_PRES:
sprintf(buffer,"Not supported");
break;
case P_TURBO_PRESSURE:
sprintf(buffer,"Not supported");
break;
case P_BOOST_PRES_CONT:
sprintf(buffer,"Not supported");
break;
case P_VGT_CONTROL:
sprintf(buffer,"Not supported");
break;
case P_WASTEGATE_CONT:
sprintf(buffer,"Not supported");
break;
case P_EXHAUST_PRESSURE:
sprintf(buffer,"Not supported");
break;
case P_TURBO_RPM:
sprintf(buffer,"Not supported");
break;
case P_TURBO_TEMP1:
sprintf(buffer,"Not supported");
break;
case P_TURBO_TEMP2:
sprintf(buffer,"Not supported");
break;
case P_CACT:
sprintf(buffer,"Not supported");
break;
case P_EGT_B1:
sprintf(buffer,"Not supported");
break;
case P_EGT_B2:
sprintf(buffer,"Not supported");
break;
case P_DPF1:
sprintf(buffer,"Not supported");
break;
case P_DPF2:
sprintf(buffer,"Not supported");
break;
case P_DPF_TEMP:
sprintf(buffer,"Not supported");
break;
case P_NOX_NTE_STATUS:
sprintf(buffer,"Not supported");
break;
case P_PM_NTE_STATUS:
sprintf(buffer,"Not supported");
break;
case P_ENGINE_RUNTUME:
sprintf(buffer,"Not supported");
break;
case P_ENGINE_AECD_1:
sprintf(buffer,"Not supported");
break;
case P_ENGINE_AECD_2:
sprintf(buffer,"Not supported");
break;
case P_NOX_SENSOR:
sprintf(buffer,"Not supported");
break;
case P_MANIFOLD_TEMP:
sprintf(buffer,"Not supported");
break;
case P_NOX_SYSTEM:
sprintf(buffer,"Not supported");
break;
case P_PM_SENSOR:
sprintf(buffer,"Not supported");
break;
case P_IN_MANIF_TEMP:
sprintf(buffer,"Not supported");
break;
}// End Switch (PID)
return 1;
}// End If Valid Reply
}// End If Read CAN Message
}
pc.printf("CANBus Timeout -- ");
return 0;
}
}