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Dependencies: SDHCFileSystem mbed
main.cpp
- Committer:
- TickTock
- Date:
- 2012-12-01
- Revision:
- 2:55b2357f0cf9
- Parent:
- 1:dafb963c3c14
- Child:
- 3:51134a275609
File content as of revision 2:55b2357f0cf9:
#include "mbed.h" #include "CAN.h" #include "SDHCFileSystem.h" #define upLine "\033[1A" //CANcan.cpp //LEAF OBD //1: //2: //3: AVCAN-L White/Blue //4: //5: VSS Brown,White/Brown //6: CARCAN-H Green //7: //8: 12V-SW Orange,White/Orange //9: //10: //11: AVCAN-H Blue //12: EVCAN-L White/Grey //13: EVCAN-H Grey //14: CARCAN-L White/Green //15: //16: 12V-AON Red/Blue,Blue/Red //VP230 //1:D //2:GND //3:VCC //4:R //5:Vref //6:CANL //7:CANH //8:RS //LPC1768 //1: VSS //2: NC:VIN (4.5-9V supply) //3: NC:VB //4: NC:nR //5: SPI:MOSI --> 6:SDRAM:DI //6: SPI:MISO --> 2:SDRAM:DO //7: SPI:SCLK --> 4:SDRAM:SCLK //8: CS --> 7:SDRAM:CS //9: CAN1:RX --> 4:CAN1:R //10: CAN1:TX --> 1:CAN1:D //11: RS --> 4:LCD:RS //12: E --> 6:LCD:E //13: D4 --> 11:LCD:D4 //14: D5 --> 12:LCD:D5 //15: D6 --> 13:LCD:D6 //16: D7 --> 14:LCD:D7 //17: CD --> 1:SDRAM:CD //18: MON12V --> 4K to 12V, 1K to VSS (To be implemented) //19: PB2 //20: PB1 //21: Spkr+ //22: Spkr- (optional complimentary output for more volume) //23: NC:pwm //24: LEDBLU --> 18:LCD:BLU (only used for tri-color displays) //25: LEDGRN --> 17:LCD:GRN (only used for tri-color displays) //26: LEDRED --> 16:LCD:RED //27: CAN1:Sleep --> 8:CAN1:RS //28: CAN2:Sleep --> 8:CAN2:RS //29: CAN2:TX --> 1:CAN2:D //30: CAN2:RX --> 4:CAN2:R //31: NC:USB_D+ //32: NC:USB_D- //33: NC:Eth_TD+ //34: NC:Eth_TD- //35: NC:Eth_RD+ //36: NC:Eth_RD- //37: NC:IF+ //38: NC:IF- //39: NC:5Vout (only available when connected as USB device) //40: VCC3.3 extern bool LogCreated; void Log (char *message); void LogErr (char *message); time_t seconds ; DigitalIn CD(p17); DigitalIn PB1( p20 ); SDFileSystem sd(p5, p6, p7, p8, "sd" ); // SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name) Ticker ticker; Timer timer; DigitalOut led1(LED1); DigitalOut led2(LED2); DigitalOut led3(LED3); DigitalOut led4(LED4); CAN can1(p9, p10); // CAN1 uses pins 9 and 10 (rx, tx) and pin 27 (rs) DigitalOut can1_SleepMode(p27); // Use pin 27 to control the sleep mode of can1 CAN can2(p30, p29); // CAN2 uses pins 30 and 29 (rx, tx) and pin 28 (rs) DigitalOut can2_SleepMode(p28); // Use pin 28 to control the sleep mode of can2 bool logCreated = false; char counter = 0; FILE *file; char fileName[32] = "" ; char writeBuffer[512][13]; int bufPointer = 0; Serial pc(USBTX, USBRX); // tx, rx default settings (9600 8N1) extern "C" void RTC_IRQHandler() { timer.reset() ; // zero ms at the-seconds-tick file = fopen(fileName, "a"); if (file == NULL) { if (logCreated) logCreated = false; } else { for (int i = 0; i<bufPointer; i++) { for (int j = 0; j<13; j++){ fprintf(file,"%c",writeBuffer[i][j]); } } fclose(file); } bufPointer = 0; LPC_RTC->ILR |= (1<<0); // turn on Low Bit - works } extern "C" void RTC_Init (void) { LPC_RTC->ILR=0x00; // set up the RTC interrupts //LPC_RTC->CIIR=0x02; // interrupts each minute LPC_RTC->CIIR=0x01; // interrupts each second //LPC_RTC->CCR = 0x11; // use for interrupts every minute ???? //LPC_RTC->CCR = 0x00; // Stop the RTC (apparently) LPC_RTC->CCR = 0x01; // Start RTC (apparently use for interrupt every second) // NVIC_SetPriority( RTC_IRQn, LOW_PR ); NVIC_EnableIRQ( RTC_IRQn ); } unsigned short getTimeStamp() { int msec = timer.read_ms() ; // read ms from the timer unsigned long secs = time(NULL); // seconds past 12:00:00 AM 1 Jan 1900 int isecs = secs%60 ; // modulo 60 for 0-59 seconds from RTC return ((isecs<<10)+msec) ; // return the two byte time stamp } void readLog (){ unsigned char c; int i=0; char lastMsgNum=0; char curMsgNum=0; pc.printf("printing file\n"); file = fopen(fileName, "r"); if (file == NULL) { pc.printf("no file found\n"); } while (!feof(file)) { c=fgetc(file); pc.printf("%02x ",c); if (i==5){ curMsgNum=c; } if (++i>12) { if (curMsgNum>(lastMsgNum+1)) { pc.printf(" ***"); } lastMsgNum=curMsgNum; pc.printf("\n"); i=0; } } pc.printf("\n\n"); fclose(file); } void logCan (char mtype, CANMessage canRXmsg) { unsigned short ts = getTimeStamp(); writeBuffer[bufPointer][0]=mtype; writeBuffer[bufPointer][1]=ts>>8; writeBuffer[bufPointer][2]=ts&0xff; writeBuffer[bufPointer][3]=canRXmsg.id&0xff; writeBuffer[bufPointer][4]=(canRXmsg.id>>8)+(canRXmsg.len<<4); for (int i = 5; i<13; i++){ writeBuffer[bufPointer][i]=canRXmsg.data[i-5]; } bufPointer++; } void send1() { static char counter = 0; // use for fake data can1.write(CANMessage(0x350, &counter, 1)); counter++; /*can1.write(CANMessage(0x351, &counter, 1)); counter++; can1.write(CANMessage(0x352, &counter, 1)); counter++;*/ } void recieve1() { CANMessage msg1; unsigned short msgTime=getTimeStamp(); can1.read(msg1); //pc.printf("%sCan1 Message received: %d \n", upLine, msg1.data[0]); if(logCreated) { if((PB1==0)||(CD==0)) { logCreated=false; pc.printf("Stopping log\n", counter); readLog(); } else { logCan(1, msg1); } } led2 = !led2; } void recieve2() { CANMessage msg2; unsigned short msgTime=getTimeStamp(); static int lastMsg = 0; can2.read(msg2); if (msg2.data[0]>(lastMsg+1)) { pc.printf("%sCan2 Message %d missed! \n\n\n", upLine, msg2.data[0]-1); } lastMsg=msg2.data[0]; //pc.printf("%sCan2 Message received: %d \n", upLine, msg2.data[0]); if(logCreated) { if((PB1==0)||(CD==0)) { logCreated=false; pc.printf("Stopping log\n\n", counter); readLog(); } else { logCan(2, msg2); } } led3 = !led3; } int main() { pc.baud(460800); // change serial interface to pc to 115200, 8N1 CANMessage tsMsg; can1.frequency(1000000); can2.frequency(1000000); can1_SleepMode = 0; // Enable TX can2_SleepMode = 0; // Enable TX //can1_SleepMode = 1; // Turn on Monitor_only Mode //can2_SleepMode = 1; // Turn on Monitor_only Mode CD.mode(PullUp) ; //SDRAM Chip Detect PB1.mode(PullUp) ; //Pushbutton 1 can1.attach(&recieve1); can2.attach(&recieve2); timer.start() ; RTC_Init(); // start the RTC Interrupts that sync the timer wait(1.1); // give time to sync if(CD == 1) { int fileNum = 0; sprintf(fileName,"/sd/canary%d.evc",fileNum); file = fopen(fileName, "r"); while ((file != NULL)&&(fileNum++<100)) { fclose(file); sprintf(fileName,"/sd/canary%d.evc",fileNum); file = fopen(fileName, "r"); } file = fopen(fileName, "wb"); if(file==NULL){ pc.printf("\nUnable to open canlog\n\n\n\n"); } else { logCreated = true; pc.printf("\nStarting Can Log %s\n\n\n\n",fileName); unsigned long secs = time(NULL); // seconds past 12:00:00 AM 1 Jan 1900 tsMsg.id=0xfff; tsMsg.len=0xf; tsMsg.data[0]=secs&0xff; tsMsg.data[1]=(secs>>0)&0xff; tsMsg.data[2]=(secs>>16)&0xff; tsMsg.data[3]=secs>>24; tsMsg.data[4]=0xff; tsMsg.data[5]=0xff; tsMsg.data[6]=0xff; tsMsg.data[7]=0xff; logCan(0,tsMsg); //write full timestamp fclose(file); } } else { pc.printf("\nNo SDRAM Inserted.\n\n\n\n"); } //.02 logs all; .01 misses some when logging; //.05 gets all when not logging;.02 misses some always ticker.attach(&send1, .002); //start sending messages }