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; } }