Suga koubou
OBD II see: https://os.mbed.com/users/okini3939/notebook/obd2-can-bus/
Embed:
(wiki syntax)
Show/hide line numbers
ecu_reader.cpp
00001 #include "mbed.h" 00002 #include "ecu_reader.h" 00003 00004 extern Serial pc; 00005 00006 // Use a timer to see if things take too long 00007 namespace mbed { 00008 00009 00010 ecu_reader::ecu_reader(PinName rd, PinName td, int can_speed) : can2(rd, td) 00011 { 00012 can2.frequency(can_speed); 00013 } 00014 00015 00016 #define TIMEOUT 200 00017 unsigned char ecu_reader::request(unsigned char pid, float *engine_data) 00018 { 00019 char can_msg[8]; 00020 // float *engine_data; 00021 00022 // led1 = 1; 00023 00024 can_msg[0] = 0x02; 00025 can_msg[1] = 0x01; 00026 can_msg[2] = pid; 00027 can_msg[3] = 0; 00028 can_msg[4] = 0; 00029 can_msg[5] = 0; 00030 can_msg[6] = 0; 00031 can_msg[7] = 0; 00032 00033 if (! can2.write(CANMessage(PID_REQUEST, can_msg, 8))) { 00034 pc.printf("*********Request write failed*********\n\r"); 00035 } 00036 00037 CANTimer.reset(); 00038 CANTimer.start(); 00039 00040 while (CANTimer.read_ms() < TIMEOUT) { 00041 00042 if (can2.read(can_MsgRx)) { 00043 pc.printf("CANTimer.read_ms(): %dms\r\n", CANTimer.read_ms()); 00044 //print message id 00045 pc.printf("can_MsgRx.id: %x\r\n", can_MsgRx.id); 00046 //print length of message 00047 pc.printf("Hex: can_MsgRx.len: %x\r\n", can_MsgRx.len); 00048 //print data[2] and PID 00049 pc.printf("can_MsgRx.data[2]: %x, pid: %x\r\n", can_MsgRx.data[2], pid); 00050 00051 for (int i = 0; i < (int)can_MsgRx.len; i++) { 00052 pc.printf(" %02x", can_MsgRx.data[i]); 00053 } 00054 pc.printf("\r\n"); 00055 00056 if ((can_MsgRx.id == PID_REPLY) && (can_MsgRx.data[2] == pid)) { 00057 CANTimer.stop(); 00058 /* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */ 00059 switch (can_MsgRx.data[2]) { /* Details from http://en.wikipedia.org/wiki/OBD-II_PIDs */ 00060 case PID_0_20: // PID 0-20 Supported 00061 PID020 = ((can_MsgRx.data[3] << 24) | (can_MsgRx.data[4] << 16) | (can_MsgRx.data[5] << 8) | (can_MsgRx.data[6])); 00062 break; 00063 case STATUS_DTC: { // bit encoded 00064 if (can_MsgRx.data[4] & 0x04) { //Compression Ignition (Diesel) 00065 if (can_MsgRx.data[3] & 0x80) { //MIL Light on 00066 *engine_data = (can_MsgRx.data[3] - 128); 00067 //sprintf(buffer,"MIL ON, %d DTCs", (int) *engine_data); 00068 } else { //MIL Light off 00069 *engine_data = (can_MsgRx.data[3]); 00070 //sprintf(buffer,"MIL OFF, %d DTCs", (int) *engine_data); 00071 } 00072 // Diesel C and D bytes (can_MsgRx.data[5] and can_MsgRx.data[6]) 00073 // Test available Test incomplete 00074 // Catalyst C0 D0 00075 // Heated Catalyst C1 D1 00076 // Evap System C2 D2 00077 // Secondary Air C3 D3 00078 // A/C Refrigerant C4 D4 00079 // O2 Sensor C5 D5 00080 // O2 Sensor Heater C6 D6 00081 // EGR System C7 D7 00082 } else { //Spark Ignition (Gasoline) 00083 if (can_MsgRx.data[3] & 0x80) { //MIL Light on 00084 *engine_data = (can_MsgRx.data[3] - 128); 00085 //sprintf(buffer,"MIL ON, %d DTCs", (int) *engine_data); 00086 } else { //MIL Light off 00087 *engine_data = (can_MsgRx.data[3]); 00088 //sprintf(buffer,"MIL OFF, %d DTCs", (int) *engine_data); 00089 } 00090 // Gasoline C and D bytes (can_MsgRx.data[5] and can_MsgRx.data[6]) 00091 // Test available Test incomplete 00092 // NMHC Catalyst C0 D0 00093 // NOx/SCR Monitoring C1 D1 00094 // Boost Pressure C3 D3 00095 // Exhaust Gas Sensor C5 D5 00096 // Particulate Filter C6 D6 00097 // EGR and/or VVT/VTEC C7 D7 00098 } 00099 // Common Tests between Gas and Diesel Engines, byte B (can_MsgRx.data[4]) 00100 // Test available Test incomplete 00101 // Misfire B0 B4 00102 // Fuel System B1 B5 00103 // Components B2 B6 00104 break; 00105 } 00106 case FREEZE_DTC: // Locks in Diagnostic trouble Codes 00107 break; 00108 case FUEL_SYS_STATUS: // bit encoded 00109 //This tells us the warmup status of the engine. Only 1 bit should be set 00110 *engine_data = can_MsgRx.data[3]; 00111 if (((int) *engine_data) & 0x01) { // Open loop - Engine warmup 00112 //sprintf(buffer,"Open Loop - Warmup"); 00113 } 00114 if (((int) *engine_data) & 0x02) { // Closed Loop - O2 Sensor feedback 00115 //sprintf(buffer,"Closed Loop - Normal"); 00116 } 00117 if (((int) *engine_data) & 0x04) { // Open loop, 00118 //sprintf(buffer,"Open Loop-Load/Decel"); 00119 } 00120 if (((int) *engine_data) & 0x08) { // Open loop - system failure 00121 //sprintf(buffer,"Open Loop - FAILURE"); 00122 } 00123 if (((int) *engine_data) & 0x10) { // Closed Loop - O2 Sensor feedback failure 00124 //sprintf(buffer,"Closed Loop - O2Fail"); 00125 } 00126 if ((((int) *engine_data) & 0x20) | (((int) *engine_data) & 0x40) | (((int) *engine_data) & 0x80)) { //These shouldnt be on, assume Proprietary status 00127 //sprintf(buffer,"Unsupported Status"); 00128 } 00129 break; 00130 case ENGINE_LOAD: // A*100/255 00131 *engine_data = (can_MsgRx.data[3]*100)/255; 00132 //sprintf(buffer,"%d %% ",(int) *engine_data); 00133 break; 00134 case ENGINE_COOLANT_TEMP: // A-40 [degree C] 00135 *engine_data = can_MsgRx.data[3] - 40; 00136 //sprintf(buffer,"%d degC ",(int) *engine_data); 00137 break; 00138 case ST_FUEL_TRIM_1: // (A-128)*100/128 00139 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00140 //sprintf(buffer,"%d %% ", (int) *engine_data); 00141 break; 00142 case LT_FUEL_TRIM_1: // (A-128)*100/128 00143 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00144 //sprintf(buffer,"%d %% ", (int) *engine_data); 00145 break; 00146 case ST_FUEL_TRIM_2: // (A-128)*100/128 00147 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00148 //sprintf(buffer,"%d %% ", (int) *engine_data); 00149 break; 00150 case LT_FUEL_TRIM_2: // (A-128)*100/128 00151 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00152 //sprintf(buffer,"%d %% ", (int) *engine_data); 00153 break; 00154 case FUEL_PRESSURE: // A*3 00155 *engine_data = (can_MsgRx.data[3]*3); 00156 //sprintf(buffer,"%d kPa",(int) *engine_data); 00157 break; 00158 case INTAKE_PRESSURE: // A 00159 *engine_data = can_MsgRx.data[3]; 00160 //sprintf(buffer,"%d kPa",(int) *engine_data); 00161 break; 00162 case ENGINE_RPM: // ((A*256)+B)/4 [RPM] 00163 *engine_data = ((can_MsgRx.data[3]*256) + can_MsgRx.data[4])/4; 00164 //sprintf(buffer,"%d rpm ",(int) *engine_data); 00165 break; 00166 case VEHICLE_SPEED: // A [km] 00167 *engine_data = can_MsgRx.data[3]; 00168 //sprintf(buffer,"%d km ",(int) *engine_data); 00169 break; 00170 case TIMING_ADVANCE: // A/2 - 64 00171 *engine_data = (can_MsgRx.data[3]/2) - 64; 00172 //sprintf(buffer,"%d Deg",(int) *engine_data); 00173 break; 00174 case INTAKE_TEMP: // A - 40 00175 *engine_data = (can_MsgRx.data[3] - 40); 00176 //sprintf(buffer,"%d DegC",(int) *engine_data); 00177 break; 00178 case MAF_SENSOR: // ((256*A)+B) / 100 [g/s] 00179 *engine_data = ((can_MsgRx.data[3]*256) + can_MsgRx.data[4])/100; 00180 //sprintf(buffer,"%d g/s",(int) *engine_data); 00181 break; 00182 case THROTTLE: // A*100/255 00183 *engine_data = (can_MsgRx.data[3]*100)/255; 00184 //sprintf(buffer,"%d %% ",(int) *engine_data); 00185 break; 00186 case COMMANDED_SEC_AIR: // bit encoded 00187 *engine_data = can_MsgRx.data[3]; 00188 if (((int) *engine_data) & 0x01) { //Upstream of Catalytic Converter 00189 //sprintf(buffer,"Upstream of Cat."); 00190 } 00191 if (((int) *engine_data) & 0x02) { //Downstream of Catalytic Converter 00192 //sprintf(buffer,"Downstream of Cat."); 00193 } 00194 if (((int) *engine_data) & 0x04) { //From outside atmosphere or off 00195 //sprintf(buffer,"Off"); 00196 } 00197 break; 00198 case O2_SENS_PRES: { // A [A0..A3] == Bank 1, [A4..A7] == Bank 2 00199 *engine_data = (can_MsgRx.data[3]); //Check # of O2 sensors present by masking individual bits and counting 00200 int o2pres = 0; 00201 if (((int) *engine_data) & 0x01) { // Bank 1 Sensor 1 00202 o2pres++; 00203 } 00204 if (((int) *engine_data) & 0x02) { // Bank 1 Sensor 2 00205 o2pres++; 00206 } 00207 if (((int) *engine_data) & 0x04) { // Bank 1 Sensor 3 00208 o2pres++; 00209 } 00210 if (((int) *engine_data) & 0x08) { // Bank 1 Sensor 4 00211 o2pres++; 00212 } 00213 if (((int) *engine_data) & 0x10) { // Bank 2 Sensor 1 00214 o2pres++; 00215 } 00216 if (((int) *engine_data) & 0x20) { // Bank 2 Sensor 2 00217 o2pres++; 00218 } 00219 if (((int) *engine_data) & 0x40) { // Bank 2 Sensor 3 00220 o2pres++; 00221 } 00222 if (((int) *engine_data) & 0x80) { // Bank 2 Sensor 4 00223 o2pres++; 00224 } 00225 //sprintf(buffer,"%d Present",(int) o2pres); 00226 break; 00227 } 00228 case O2_B1S1_VOLTAGE: // A/200, (B-128) * 100/128 00229 *engine_data = (can_MsgRx.data[3]/200); 00230 //sprintf(buffer,"%d V ",(int) *engine_data); //Raw O2 Voltage 00231 if (can_MsgRx.data[4] & 0xFF) { 00232 //sprintf(buffer,"Not Present"); 00233 } else { 00234 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00235 //sprintf(buffer2,"%d %% ",(int) *engine_data); //Calculated lean/rich 00236 } 00237 break; 00238 case O2_B1S2_VOLTAGE: // 00239 *engine_data = (can_MsgRx.data[3]/200); 00240 //sprintf(buffer,"%d V ",(int) *engine_data); 00241 if (can_MsgRx.data[4] & 0xFF) { 00242 //sprintf(buffer,"Not Present"); 00243 } else { 00244 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00245 //sprintf(buffer2,"%d %% ",(int) *engine_data); 00246 } 00247 break; 00248 case O2_B1S3_VOLTAGE: // 00249 *engine_data = (can_MsgRx.data[3]/200); 00250 //sprintf(buffer,"%d V ",(int) *engine_data); 00251 if (can_MsgRx.data[4] & 0xFF) { 00252 //sprintf(buffer,"Not Present"); 00253 } else { 00254 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00255 //sprintf(buffer2,"%d %% ",(int) *engine_data); 00256 } 00257 break; 00258 case O2_B1S4_VOLTAGE: // 00259 *engine_data = (can_MsgRx.data[3]/200); 00260 //sprintf(buffer,"%d V ",(int) *engine_data); 00261 if (can_MsgRx.data[4] & 0xFF) { 00262 //sprintf(buffer,"Not Present"); 00263 } else { 00264 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00265 //sprintf(buffer2,"%d %% ",(int) *engine_data); 00266 } 00267 break; 00268 case O2_B2S1_VOLTAGE: // 00269 *engine_data = (can_MsgRx.data[3]/200); 00270 //sprintf(buffer,"%d V ",(int) *engine_data); 00271 if (can_MsgRx.data[4] & 0xFF) { 00272 //sprintf(buffer,"Not Present"); 00273 } else { 00274 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00275 //sprintf(buffer2,"%d %% ",(int) *engine_data); 00276 } 00277 break; 00278 case O2_B2S2_VOLTAGE: // 00279 *engine_data = (can_MsgRx.data[3]/200); 00280 //sprintf(buffer,"%d V ",(int) *engine_data); 00281 if (can_MsgRx.data[4] & 0xFF) { 00282 //sprintf(buffer,"Not Present"); 00283 } else { 00284 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00285 //sprintf(buffer2,"%d %% ",(int) *engine_data); 00286 } 00287 break; 00288 case O2_B2S3_VOLTAGE: { // 00289 *engine_data = (can_MsgRx.data[3]/200); 00290 //sprintf(buffer,"%d V ",(int) *engine_data); 00291 if (can_MsgRx.data[4] & 0xFF) { 00292 //sprintf(buffer,"Not Present"); 00293 } else { 00294 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00295 //sprintf(buffer2,"%d %% ",(int) *engine_data); 00296 } 00297 break; 00298 } 00299 case O2_B2S4_VOLTAGE: { // 00300 *engine_data = (can_MsgRx.data[3]/200); 00301 //sprintf(buffer,"%d V ",(int) *engine_data); 00302 if (can_MsgRx.data[4] & 0xFF) { 00303 //sprintf(buffer,"Not Present"); 00304 } else { 00305 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00306 //sprintf(buffer2,"%d %% ",(int) *engine_data); 00307 } 00308 break; 00309 } 00310 case OBDII_STANDARDS: { //bit encoded NOT DONE 00311 *engine_data = can_MsgRx.data[3]; 00312 if (((int) *engine_data) & 0x0D) { //JOBD, EOBD, and OBD II 00313 //sprintf(buffer,"JOBD,EOBD,OBDII"); 00314 } 00315 if (((int) *engine_data) & 0x0C) { //JOBD and EOBD 00316 //sprintf(buffer,"JOBD,EOBD"); 00317 } 00318 if (((int) *engine_data) & 0x0B) { //JOBD and OBDII 00319 //sprintf(buffer,"JOBD,OBDII"); 00320 } 00321 if (((int) *engine_data) & 0x0A) { //JOBD 00322 //sprintf(buffer,"JOBD"); 00323 } 00324 if (((int) *engine_data) & 0x09) { //EOBD, OBD, and OBD II 00325 //sprintf(buffer,"EOBD,OBDI,OBDII"); 00326 } 00327 if (((int) *engine_data) & 0x08) { //EOBD and OBD 00328 //sprintf(buffer,"EOBD,OBDI"); 00329 } 00330 if (((int) *engine_data) & 0x07) { //EOBD and OBDII 00331 //sprintf(buffer,"EOBD,OBDII"); 00332 } 00333 if (((int) *engine_data) & 0x06) { //EOBD 00334 //sprintf(buffer,"EOBD"); 00335 } 00336 if (((int) *engine_data) & 0x05) { //Not meant to comply with any OBD standard 00337 //sprintf(buffer,"No Compliance"); 00338 } 00339 if (((int) *engine_data) & 0x04) { //OBDI 00340 //sprintf(buffer,"OBDI"); 00341 } 00342 if (((int) *engine_data) & 0x03) { //OBD and OBDII 00343 //sprintf(buffer,"OBDI,OBDII"); 00344 } 00345 if (((int) *engine_data) & 0x02) { //OBD and defined by the EPA 00346 //sprintf(buffer,"OBD"); 00347 } 00348 if (((int) *engine_data) & 0x01) { //OBD-II as defined by CARB 00349 //sprintf(buffer,"OBDII"); 00350 } 00351 //sprintf(buffer,"ERROR"); 00352 break; 00353 } 00354 case O2_SENS_PRES_ALT: { //******************* 00355 *engine_data = (can_MsgRx.data[3]); //Check # of O2 sensors present by masking individual bits and counting 00356 int o2presalt = 0; 00357 if (((int) *engine_data) & 0x01) { // Bank 1 Sensor 1 00358 o2presalt++; 00359 } 00360 if (((int) *engine_data) & 0x02) { // Bank 1 Sensor 2 00361 o2presalt++; 00362 } 00363 if (((int) *engine_data) & 0x04) { // Bank 2 Sensor 1 00364 o2presalt++; 00365 } 00366 if (((int) *engine_data) & 0x08) { // Bank 2 Sensor 2 00367 o2presalt++; 00368 } 00369 if (((int) *engine_data) & 0x10) { // Bank 3 Sensor 1 00370 o2presalt++; 00371 } 00372 if (((int) *engine_data) & 0x20) { // Bank 3 Sensor 2 00373 o2presalt++; 00374 } 00375 if (((int) *engine_data) & 0x40) { // Bank 4 Sensor 1 00376 o2presalt++; 00377 } 00378 if (((int) *engine_data) & 0x80) { // Bank 4 Sensor 2 00379 o2presalt++; 00380 } 00381 //sprintf(buffer,"%d Present",(int) o2presalt); 00382 break; 00383 } 00384 case AUX_IN_STATUS: { // A (A0 == PTO Active) 00385 *engine_data = can_MsgRx.data[3]; 00386 if (((int) *engine_data) & 0x01) { 00387 //sprintf(buffer,"PTO Active"); 00388 } else { 00389 //sprintf(buffer,"PTO Inactive"); 00390 } 00391 break; 00392 } 00393 case ENGINE_RUNTIME: // (A*256)+B 00394 *engine_data = (can_MsgRx.data[3]*256)+(can_MsgRx.data[4]); 00395 //sprintf(buffer,"%d Sec",(int) *engine_data); 00396 break; 00397 case PID_21_40: // bit encoded NOT DONE 00398 PID2140 = ((can_MsgRx.data[3] << 24) | (can_MsgRx.data[4] << 16) | (can_MsgRx.data[5] << 8) | (can_MsgRx.data[6])); 00399 break; 00400 case DIST_TRAVELED_MIL: // (A*256) + B 00401 *engine_data = ((can_MsgRx.data[3] * 256) + can_MsgRx.data[4]); 00402 //sprintf(buffer,"%d km",(int) *engine_data); 00403 break; 00404 case FUEL_RAIL_PRESSURE: // ((A*256)+B)*0.079 00405 *engine_data = ((can_MsgRx.data[3] * 256)+can_MsgRx.data[4])*0.079; 00406 //sprintf(buffer,"%d kPa",(int) *engine_data); 00407 break; 00408 case FUEL_RAIL_PRES_ALT: // ((A*256)+B)*0.079 00409 *engine_data = ((can_MsgRx.data[3] * 256) + can_MsgRx.data[4])*10; 00410 //sprintf(buffer,"%d kPa",(int) *engine_data); 00411 break; 00412 case O2S1_WR_LAMBDA_V: // ((A*256)+B)*2/65535 [ratio], ((C*256)+D)*8/65535 [V] 00413 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00414 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00415 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00416 //sprintf(buffer2,"%d V",(int) *engine_data); 00417 break; 00418 case O2S2_WR_LAMBDA_V: // 00419 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00420 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00421 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00422 //sprintf(buffer2,"%d V",(int) *engine_data); 00423 break; 00424 case O2S3_WR_LAMBDA_V: // 00425 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00426 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00427 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00428 //sprintf(buffer2,"%d V",(int) *engine_data); 00429 break; 00430 case O2S4_WR_LAMBDA_V: // 00431 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00432 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00433 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00434 //sprintf(buffer2,"%d V",(int) *engine_data); 00435 break; 00436 case O2S5_WR_LAMBDA_V: // 00437 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00438 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00439 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00440 //sprintf(buffer2,"%d V",(int) *engine_data); 00441 break; 00442 case O2S6_WR_LAMBDA_V: // 00443 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00444 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00445 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00446 //sprintf(buffer2,"%d V",(int) *engine_data); 00447 break; 00448 case O2S7_WR_LAMBDA_V: // 00449 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00450 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00451 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00452 //sprintf(buffer2,"%d V",(int) *engine_data); 00453 break; 00454 case O2S8_WR_LAMBDA_V: // 00455 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*2)/65535); 00456 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00457 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])*8)/65535); 00458 //sprintf(buffer2,"%d V",(int) *engine_data); 00459 break; 00460 case COMMANDED_EGR: // 100*A/255 00461 *engine_data = (can_MsgRx.data[3]*100/255); 00462 //sprintf(buffer,"%d %%",(int) *engine_data); 00463 break; 00464 case EGR_ERROR: // (A-128)*100/128 00465 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00466 //sprintf(buffer,"%d %%",(int) *engine_data); 00467 break; 00468 case COMMANDED_EVAP_P: // 100*A/255 [%] 00469 *engine_data = ((can_MsgRx.data[3]*100)/255); 00470 //sprintf(buffer,"%d %%",(int) *engine_data); 00471 break; 00472 case FUEL_LEVEL: //100*A/255 00473 *engine_data = ((100*can_MsgRx.data[3])/255); 00474 //sprintf(buffer,"%d %%",(int) *engine_data); 00475 break; 00476 case WARMUPS_SINCE_CLR: //A 00477 *engine_data = (can_MsgRx.data[3]); 00478 //sprintf(buffer,"%d Warmups",(int) *engine_data); 00479 break; 00480 case DIST_SINCE_CLR: //A*256+B [km] 00481 *engine_data = ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]); 00482 //sprintf(buffer,"%d km",(int) *engine_data); 00483 break; 00484 case EVAP_PRESSURE: //((A*256)+B)/4 00485 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/4); 00486 //sprintf(buffer,"%d Pa",(int) *engine_data); //Yes it's in pascals 00487 break; 00488 case BAROMETRIC_PRESSURE: //A 00489 *engine_data = can_MsgRx.data[3]; 00490 //sprintf(buffer,"%d kPa",(int) *engine_data); 00491 break; 00492 case O2S1_WR_LAMBDA_I: //((A*256)+B)/32,768 [Ratio], ((C*256)+D)/256 - 128 [mA] 00493 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00494 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00495 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00496 //sprintf(buffer2,"%d mA",(int) *engine_data); 00497 break; 00498 case O2S2_WR_LAMBDA_I: 00499 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00500 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00501 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00502 //sprintf(buffer2,"%d mA",(int) *engine_data); 00503 break; 00504 case O2S3_WR_LAMBDA_I: 00505 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00506 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00507 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00508 //sprintf(buffer2,"%d mA",(int) *engine_data); 00509 break; 00510 case O2S4_WR_LAMBDA_I: 00511 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00512 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00513 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00514 //sprintf(buffer2,"%d mA",(int) *engine_data); 00515 break; 00516 case O2S5_WR_LAMBDA_I: 00517 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00518 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00519 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00520 //sprintf(buffer2,"%d mA",(int) *engine_data); 00521 break; 00522 case O2S6_WR_LAMBDA_I: 00523 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00524 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00525 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00526 //sprintf(buffer2,"%d mA",(int) *engine_data); 00527 break; 00528 case O2S7_WR_LAMBDA_I: 00529 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00530 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00531 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00532 //sprintf(buffer2,"%d mA",(int) *engine_data); 00533 break; 00534 case O2S8_WR_LAMBDA_I: 00535 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00536 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00537 *engine_data = ((((can_MsgRx.data[5]*256)+can_MsgRx.data[6])/256)-128); 00538 //sprintf(buffer2,"%d mA",(int) *engine_data); 00539 break; 00540 case CAT_TEMP_B1S1: //((A*256)+B)/10 - 40 [DegC] 00541 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40); 00542 //sprintf(buffer,"%d DegC",(int) *engine_data); 00543 break; 00544 case CAT_TEMP_B1S2: 00545 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40); 00546 //sprintf(buffer,"%d DegC",(int) *engine_data); 00547 break; 00548 case CAT_TEMP_B2S1: 00549 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40); 00550 //sprintf(buffer,"%d DegC",(int) *engine_data); 00551 break; 00552 case CAT_TEMP_B2S2: 00553 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/10)-40); 00554 //sprintf(buffer,"%d DegC",(int) *engine_data); 00555 break; 00556 case PID_41_60: //bit encoded NOT DONE 00557 PID4160 = ((can_MsgRx.data[3] << 24) | (can_MsgRx.data[4] << 16) | (can_MsgRx.data[5] << 8) | (can_MsgRx.data[6])); 00558 break; 00559 case MONITOR_STATUS: // bit encoded 00560 //LUT: (Uses multiple bytes) A7..0 always 0 00561 // Test enabled Test Incomplete 00562 // Misfire B0 B4 00563 // Fuel System B1 B5 00564 // Components B2 B6 00565 // Reserved B3 B7 00566 // Catalyst C0 D0 00567 // Heated Catalyst C1 D1 00568 // Evap System C2 D2 00569 // Sec. Ait system C3 D3 00570 // A/C Refrigerant C4 D4 00571 // O2 Sensor C5 D5 00572 // O2 Sensor Heater C6 D6 00573 // EGR System C7 D7 00574 break; 00575 case ECU_VOLTAGE: //((A*256)+B)/1000 [V] 00576 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/1000); 00577 //sprintf(buffer,"%d V",(int) *engine_data); 00578 break; 00579 case ABSOLUTE_LOAD: //((A*256)+B)*100/255 [%] 00580 *engine_data = ((((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*100)/255); 00581 //sprintf(buffer,"%d %%",(int) *engine_data); 00582 break; 00583 case COMMANDED_EQUIV_R: //((A*256)+B)/32768 [Ratio] 00584 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])/32768); 00585 //sprintf(buffer,"Ratio %d",(int) *engine_data); 00586 break; 00587 case REL_THROTTLE_POS: // A*100/255 [%] 00588 *engine_data = ((can_MsgRx.data[3]*100)/255); 00589 //sprintf(buffer,"%d %%",(int) *engine_data); 00590 break; 00591 case AMB_AIR_TEMP: // A-40 [DegC] 00592 *engine_data = (can_MsgRx.data[3]-40); 00593 //sprintf(buffer,"%d DegC",(int) *engine_data); 00594 break; 00595 case ABS_THROTTLE_POS_B: // A*100/255 [%] 00596 *engine_data = ((can_MsgRx.data[3]*100)/255); 00597 //sprintf(buffer,"%d %%",(int) *engine_data); 00598 break; 00599 case ABS_THROTTLE_POS_C: // A*100/255 [%] 00600 *engine_data = ((can_MsgRx.data[3]*100)/255); 00601 //sprintf(buffer,"%d %%",(int) *engine_data); 00602 break; 00603 case ACCEL_POS_D: // A*100/255 [%] 00604 *engine_data = ((can_MsgRx.data[3]*100)/255); 00605 //sprintf(buffer,"%d %%",(int) *engine_data); 00606 break; 00607 case ACCEL_POS_E: // A*100/255 [%] 00608 *engine_data = ((can_MsgRx.data[3]*100)/255); 00609 //sprintf(buffer,"%d %%",(int) *engine_data); 00610 break; 00611 case ACCEL_POS_F: // A*100/255 [%] 00612 *engine_data = ((can_MsgRx.data[3]*100)/255); 00613 //sprintf(buffer,"%d %%",(int) *engine_data); 00614 break; 00615 case COMMANDED_THROTTLE: //A*100/255 [%] 00616 *engine_data = ((can_MsgRx.data[3]*100)/255); 00617 //sprintf(buffer,"%d %%",(int) *engine_data); 00618 break; 00619 case TIME_RUN_WITH_MIL: //(A*256)+B [minutes] 00620 *engine_data = ((can_MsgRx.data[3]*256)/(can_MsgRx.data[4])); 00621 //sprintf(buffer,"%d Mins",(int) *engine_data); 00622 break; 00623 case TIME_SINCE_CLR: //(A*256)+B [minutes] 00624 *engine_data = ((can_MsgRx.data[3]*256)/(can_MsgRx.data[4])); 00625 //sprintf(buffer,"%d Mins",(int) *engine_data); 00626 break; 00627 case MAX_R_O2_VI_PRES: //A,B,C,D*10 [Ratio,V,mA,kPa] 00628 *engine_data = can_MsgRx.data[3]; 00629 //sprintf(buffer,"Ratio: %d",(int) *engine_data); 00630 *engine_data = can_MsgRx.data[4]; 00631 //sprintf(buffer,"%d V",(int) *engine_data); 00632 *engine_data = can_MsgRx.data[5]; 00633 //sprintf(buffer,"%d mA",(int) *engine_data); 00634 *engine_data = (can_MsgRx.data[6]*10); 00635 //sprintf(buffer,"%d kPa",(int) *engine_data); 00636 break; 00637 case MAX_AIRFLOW_MAF: //A*10 [g/s] 00638 *engine_data = (can_MsgRx.data[3]*10); 00639 //sprintf(buffer,"%d g/s",(int) *engine_data); 00640 break; 00641 case FUEL_TYPE: // USE LUT NOT DONE 00642 break; 00643 case ETHANOL_PERCENT: //A*100/255 [%] 00644 *engine_data = ((can_MsgRx.data[3]*100)/255); 00645 //sprintf(buffer,"%d %%",(int) *engine_data); 00646 break; 00647 case ABS_EVAP_SYS_PRES: //1/200 per bit [kPa] ----NOT DONE---- 00648 break; 00649 case EVAP_SYS_PRES: // (A*256)+B - 32768 [Pa] 00650 *engine_data = ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]-32768); 00651 //sprintf(buffer,"%d Pa",(int) *engine_data); 00652 break; 00653 case ST_O2_TRIM_B1B3: // ((A-128)*100/128 (B-128)*100/128 [%] 00654 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00655 //sprintf(buffer,"%d %%",(int) *engine_data); 00656 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00657 //sprintf(buffer,"%d %%",(int) *engine_data); 00658 break; 00659 case LT_O2_TRIM_B1B3: 00660 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00661 //sprintf(buffer,"%d %%",(int) *engine_data); 00662 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00663 //sprintf(buffer,"%d %%",(int) *engine_data); 00664 break; 00665 case ST_02_TRIM_B2B4: 00666 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00667 //sprintf(buffer,"%d %%",(int) *engine_data); 00668 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00669 //sprintf(buffer,"%d %%",(int) *engine_data); 00670 break; 00671 case LT_O2_TRIM_B2B4: 00672 *engine_data = ((can_MsgRx.data[3]-128)*(100/128)); 00673 //sprintf(buffer,"%d %%",(int) *engine_data); 00674 *engine_data = ((can_MsgRx.data[4]-128)*(100/128)); 00675 //sprintf(buffer,"%d %%",(int) *engine_data); 00676 break; 00677 case ABS_FUEL_RAIL_PRES: //((A*256)+B)*10 [kPa] 00678 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*10); 00679 //sprintf(buffer,"%d kPa",(int) *engine_data); 00680 break; 00681 case REL_ACCEL_POS: //A*100/255 [%] 00682 *engine_data = ((can_MsgRx.data[3]*100)/255); 00683 //sprintf(buffer,"%d %%",(int) *engine_data); 00684 break; 00685 case HYBRID_BATT_PCT: //A*100/255 [%] 00686 *engine_data = ((can_MsgRx.data[3]*100)/255); 00687 //sprintf(buffer,"%d %%",(int) *engine_data); 00688 break; 00689 case ENGINE_OIL_TEMP: //A-40 [DegC] 00690 *engine_data = (can_MsgRx.data[3]-40); 00691 //sprintf(buffer,"%d DegC",(int) *engine_data); 00692 break; 00693 case FUEL_TIMING: //(38655-((A*256)+B))/128 00694 *engine_data = ((38655 - ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]))/128); 00695 //sprintf(buffer,"%d Deg",(int) *engine_data); 00696 break; 00697 case FUEL_RATE: //((A*256)+B)*0.05 00698 *engine_data = (((can_MsgRx.data[3]*256)+can_MsgRx.data[4])*0.05); 00699 //sprintf(buffer,"%d L/m",(int) *engine_data); 00700 break; 00701 case EMISSIONS_STANDARD: //bit encoded ----NOT DONE---- 00702 break; 00703 case DEMANDED_TORQUE: //A-125 [%] 00704 *engine_data = (can_MsgRx.data[3]-125); 00705 //sprintf(buffer,"%d %%",(int) *engine_data); 00706 break; 00707 case ACTUAL_TORQUE: //A-125 [%] 00708 *engine_data = (can_MsgRx.data[3]-125); 00709 //sprintf(buffer,"%d %%",(int) *engine_data); 00710 break; 00711 case REFERENCE_TORQUE: //A*256+b [Nm] 00712 *engine_data = ((can_MsgRx.data[3]*256)+can_MsgRx.data[4]); 00713 //sprintf(buffer,"%d Nm",(int) *engine_data); 00714 break; 00715 case ENGINE_PCT_TORQUE: //A-125 idle, B-125 pt 1, C-125, D-125 00716 *engine_data = (can_MsgRx.data[3]); 00717 //sprintf(buffer,"%d %% - Idle",(int) *engine_data); 00718 *engine_data = (can_MsgRx.data[4]); 00719 //sprintf(buffer2,"%d %% - Point 1",(int) *engine_data); 00720 *engine_data = (can_MsgRx.data[5]); 00721 //sprintf(buffer3,"%d %% - Point 2",(int) *engine_data); 00722 *engine_data = (can_MsgRx.data[6]); 00723 //sprintf(buffer4,"%d %% - Point 3",(int) *engine_data); 00724 break; 00725 case AUX_IO_SUPPORTED: //Bit encoded ----NOT DONE---- 00726 break; 00727 case P_MAF_SENSOR: 00728 case P_ENGINE_COOLANT_T: 00729 case P_INTAKE_TEMP: 00730 case P_COMMANDED_EGR: 00731 case P_COMMANDED_INTAKE: 00732 case P_EGR_TEMP: 00733 case P_COMMANDED_THROT: 00734 case P_FUEL_PRESSURE: 00735 case P_FUEL_INJ_PRES: 00736 case P_TURBO_PRESSURE: 00737 case P_BOOST_PRES_CONT: 00738 case P_VGT_CONTROL: 00739 case P_WASTEGATE_CONT: 00740 case P_EXHAUST_PRESSURE: 00741 case P_TURBO_RPM: 00742 case P_TURBO_TEMP1: 00743 case P_TURBO_TEMP2: 00744 case P_CACT: 00745 case P_EGT_B1: 00746 case P_EGT_B2: 00747 case P_DPF1: 00748 case P_DPF2: 00749 case P_DPF_TEMP: 00750 case P_NOX_NTE_STATUS: 00751 case P_PM_NTE_STATUS: 00752 case P_ENGINE_RUNTUME: 00753 case P_ENGINE_AECD_1: 00754 case P_ENGINE_AECD_2: 00755 case P_NOX_SENSOR: 00756 case P_MANIFOLD_TEMP: 00757 case P_NOX_SYSTEM: 00758 case P_PM_SENSOR: 00759 case P_IN_MANIF_TEMP: 00760 //sprintf(buffer,"Not supported"); 00761 break; 00762 } // switch 00763 00764 return 1; 00765 00766 } // if 00767 00768 } // if read 00769 } // while 00770 00771 return 0; 00772 00773 00774 00775 00776 } 00777 } // namespace mbed
Generated on Wed Jul 13 2022 23:40:38 by
1.7.2