Tick Tock / Mbed 2 deprecated CANcan

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Dependencies:   SDHCFileSystem mbed

main.cpp@6:594d9717e609, 2012-12-03 (annotated)

Committer:
TickTock
Date:
Mon Dec 03 14:04:54 2012 +0000
Revision:
6:594d9717e609
Parent:
5:ddbc3d4bc266
Child:
7:281df0ba57d0
continuous loop supports sd removal and reattach

Who changed what in which revision?

UserRevisionLine numberNew contents of line
TickTock 0:1596b8644523 1 #include "mbed.h"
TickTock 0:1596b8644523 2 #include "CAN.h"
TickTock 1:dafb963c3c14 3 #include "SDHCFileSystem.h"
TickTock 0:1596b8644523 4
TickTock 1:dafb963c3c14 5 #define upLine "\033[1A"
TickTock 4:fb373a391155 6 #define maxBufLen 2048
TickTock 1:dafb963c3c14 7
TickTock 1:dafb963c3c14 8 //CANcan.cpp
TickTock 1:dafb963c3c14 9
TickTock 1:dafb963c3c14 10 //LEAF OBD
TickTock 1:dafb963c3c14 11 //1:
TickTock 1:dafb963c3c14 12 //2:
TickTock 1:dafb963c3c14 13 //3: AVCAN-L White/Blue
TickTock 1:dafb963c3c14 14 //4:
TickTock 1:dafb963c3c14 15 //5: VSS Brown,White/Brown
TickTock 1:dafb963c3c14 16 //6: CARCAN-H Green
TickTock 1:dafb963c3c14 17 //7:
TickTock 1:dafb963c3c14 18 //8: 12V-SW Orange,White/Orange
TickTock 1:dafb963c3c14 19 //9:
TickTock 1:dafb963c3c14 20 //10:
TickTock 1:dafb963c3c14 21 //11: AVCAN-H Blue
TickTock 1:dafb963c3c14 22 //12: EVCAN-L White/Grey
TickTock 1:dafb963c3c14 23 //13: EVCAN-H Grey
TickTock 1:dafb963c3c14 24 //14: CARCAN-L White/Green
TickTock 1:dafb963c3c14 25 //15:
TickTock 1:dafb963c3c14 26 //16: 12V-AON Red/Blue,Blue/Red
TickTock 1:dafb963c3c14 27
TickTock 0:1596b8644523 28 //VP230
TickTock 1:dafb963c3c14 29 //1:D
TickTock 1:dafb963c3c14 30 //2:GND
TickTock 1:dafb963c3c14 31 //3:VCC
TickTock 1:dafb963c3c14 32 //4:R
TickTock 1:dafb963c3c14 33 //5:Vref
TickTock 1:dafb963c3c14 34 //6:CANL
TickTock 1:dafb963c3c14 35 //7:CANH
TickTock 1:dafb963c3c14 36 //8:RS
TickTock 0:1596b8644523 37
TickTock 0:1596b8644523 38 //LPC1768
TickTock 0:1596b8644523 39 //1: VSS
TickTock 1:dafb963c3c14 40 //2: NC:VIN (4.5-9V supply)
TickTock 0:1596b8644523 41 //3: NC:VB
TickTock 0:1596b8644523 42 //4: NC:nR
TickTock 0:1596b8644523 43 //5: SPI:MOSI --> 6:SDRAM:DI
TickTock 0:1596b8644523 44 //6: SPI:MISO --> 2:SDRAM:DO
TickTock 0:1596b8644523 45 //7: SPI:SCLK --> 4:SDRAM:SCLK
TickTock 0:1596b8644523 46 //8: CS --> 7:SDRAM:CS
TickTock 1:dafb963c3c14 47 //9: CAN1:RX --> 4:CAN1:R
TickTock 1:dafb963c3c14 48 //10: CAN1:TX --> 1:CAN1:D
TickTock 0:1596b8644523 49 //11: RS --> 4:LCD:RS
TickTock 0:1596b8644523 50 //12: E --> 6:LCD:E
TickTock 0:1596b8644523 51 //13: D4 --> 11:LCD:D4
TickTock 0:1596b8644523 52 //14: D5 --> 12:LCD:D5
TickTock 0:1596b8644523 53 //15: D6 --> 13:LCD:D6
TickTock 0:1596b8644523 54 //16: D7 --> 14:LCD:D7
TickTock 0:1596b8644523 55 //17: CD --> 1:SDRAM:CD
TickTock 1:dafb963c3c14 56 //18: MON12V --> 4K to 12V, 1K to VSS (To be implemented)
TickTock 0:1596b8644523 57 //19: PB2
TickTock 0:1596b8644523 58 //20: PB1
TickTock 0:1596b8644523 59 //21: Spkr+
TickTock 1:dafb963c3c14 60 //22: Spkr- (optional complimentary output for more volume)
TickTock 0:1596b8644523 61 //23: NC:pwm
TickTock 1:dafb963c3c14 62 //24: LEDBLU --> 18:LCD:BLU (only used for tri-color displays)
TickTock 1:dafb963c3c14 63 //25: LEDGRN --> 17:LCD:GRN (only used for tri-color displays)
TickTock 1:dafb963c3c14 64 //26: LEDRED --> 16:LCD:RED
TickTock 0:1596b8644523 65 //27: CAN1:Sleep --> 8:CAN1:RS
TickTock 0:1596b8644523 66 //28: CAN2:Sleep --> 8:CAN2:RS
TickTock 1:dafb963c3c14 67 //29: CAN2:TX --> 1:CAN2:D
TickTock 1:dafb963c3c14 68 //30: CAN2:RX --> 4:CAN2:R
TickTock 0:1596b8644523 69 //31: NC:USB_D+
TickTock 0:1596b8644523 70 //32: NC:USB_D-
TickTock 0:1596b8644523 71 //33: NC:Eth_TD+
TickTock 0:1596b8644523 72 //34: NC:Eth_TD-
TickTock 0:1596b8644523 73 //35: NC:Eth_RD+
TickTock 0:1596b8644523 74 //36: NC:Eth_RD-
TickTock 0:1596b8644523 75 //37: NC:IF+
TickTock 0:1596b8644523 76 //38: NC:IF-
TickTock 1:dafb963c3c14 77 //39: NC:5Vout (only available when connected as USB device)
TickTock 0:1596b8644523 78 //40: VCC3.3
TickTock 0:1596b8644523 79
TickTock 1:dafb963c3c14 80 void Log (char *message);
TickTock 1:dafb963c3c14 81 void LogErr (char *message);
TickTock 6:594d9717e609 82 extern "C" void mbed_reset();
TickTock 1:dafb963c3c14 83
TickTock 1:dafb963c3c14 84 time_t seconds ;
TickTock 1:dafb963c3c14 85 DigitalIn CD(p17);
TickTock 2:55b2357f0cf9 86 DigitalIn PB1( p20 );
TickTock 1:dafb963c3c14 87 SDFileSystem sd(p5, p6, p7, p8, "sd" ); // SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name)
TickTock 3:51134a275609 88 Ticker ticker1;
TickTock 3:51134a275609 89 Ticker ticker2;
TickTock 1:dafb963c3c14 90 Timer timer;
TickTock 0:1596b8644523 91 DigitalOut led1(LED1);
TickTock 0:1596b8644523 92 DigitalOut led2(LED2);
TickTock 0:1596b8644523 93 DigitalOut led3(LED3);
TickTock 0:1596b8644523 94 DigitalOut led4(LED4);
TickTock 1:dafb963c3c14 95 CAN can1(p9, p10); // CAN1 uses pins 9 and 10 (rx, tx) and pin 27 (rs)
TickTock 2:55b2357f0cf9 96 DigitalOut can1_SleepMode(p27); // Use pin 27 to control the sleep mode of can1
TickTock 1:dafb963c3c14 97 CAN can2(p30, p29); // CAN2 uses pins 30 and 29 (rx, tx) and pin 28 (rs)
TickTock 2:55b2357f0cf9 98 DigitalOut can2_SleepMode(p28); // Use pin 28 to control the sleep mode of can2
TickTock 3:51134a275609 99 bool logOpen = false;
TickTock 2:55b2357f0cf9 100 FILE *file;
TickTock 2:55b2357f0cf9 101 char fileName[32] = "" ;
TickTock 4:fb373a391155 102 char writeBuffer[maxBufLen][13];
TickTock 2:55b2357f0cf9 103 int bufPointer = 0;
TickTock 0:1596b8644523 104
TickTock 0:1596b8644523 105 Serial pc(USBTX, USBRX); // tx, rx default settings (9600 8N1)
TickTock 0:1596b8644523 106
TickTock 2:55b2357f0cf9 107 extern "C" void RTC_IRQHandler() {
TickTock 4:fb373a391155 108 static int i=0;
TickTock 2:55b2357f0cf9 109 timer.reset() ; // zero ms at the-seconds-tick
TickTock 4:fb373a391155 110 if (logOpen) {
TickTock 4:fb373a391155 111 file = fopen(fileName, "ab");
TickTock 3:51134a275609 112 if (file == NULL) {
TickTock 3:51134a275609 113 logOpen = false;
TickTock 4:fb373a391155 114 pc.printf("Failed to append log file.\n\n");
TickTock 3:51134a275609 115 } else {
TickTock 4:fb373a391155 116 while (i != bufPointer) {
TickTock 3:51134a275609 117 for (int j = 0; j<13; j++){
TickTock 3:51134a275609 118 fprintf(file,"%c",writeBuffer[i][j]);
TickTock 3:51134a275609 119 }
TickTock 4:fb373a391155 120 if(++i >= maxBufLen)
TickTock 4:fb373a391155 121 i=0;
TickTock 2:55b2357f0cf9 122 }
TickTock 3:51134a275609 123 led3 = !led3;
TickTock 3:51134a275609 124 fclose(file);
TickTock 2:55b2357f0cf9 125 }
TickTock 1:dafb963c3c14 126 }
TickTock 4:fb373a391155 127
TickTock 2:55b2357f0cf9 128 LPC_RTC->ILR |= (1<<0); // turn on Low Bit - works
TickTock 2:55b2357f0cf9 129 }
TickTock 2:55b2357f0cf9 130
TickTock 2:55b2357f0cf9 131 extern "C" void RTC_Init (void) {
TickTock 2:55b2357f0cf9 132 LPC_RTC->ILR=0x00; // set up the RTC interrupts
TickTock 2:55b2357f0cf9 133 //LPC_RTC->CIIR=0x02; // interrupts each minute
TickTock 2:55b2357f0cf9 134 LPC_RTC->CIIR=0x01; // interrupts each second
TickTock 2:55b2357f0cf9 135 //LPC_RTC->CCR = 0x11; // use for interrupts every minute ????
TickTock 2:55b2357f0cf9 136 //LPC_RTC->CCR = 0x00; // Stop the RTC (apparently)
TickTock 2:55b2357f0cf9 137 LPC_RTC->CCR = 0x01; // Start RTC (apparently use for interrupt every second)
TickTock 3:51134a275609 138 NVIC_SetPriority( RTC_IRQn, 10 );
TickTock 2:55b2357f0cf9 139 NVIC_EnableIRQ( RTC_IRQn );
TickTock 2:55b2357f0cf9 140 }
TickTock 2:55b2357f0cf9 141
TickTock 2:55b2357f0cf9 142 unsigned short getTimeStamp() {
TickTock 2:55b2357f0cf9 143 int msec = timer.read_ms() ; // read ms from the timer
TickTock 2:55b2357f0cf9 144 unsigned long secs = time(NULL); // seconds past 12:00:00 AM 1 Jan 1900
TickTock 2:55b2357f0cf9 145 int isecs = secs%60 ; // modulo 60 for 0-59 seconds from RTC
TickTock 2:55b2357f0cf9 146 return ((isecs<<10)+msec) ; // return the two byte time stamp
TickTock 1:dafb963c3c14 147 }
TickTock 1:dafb963c3c14 148
TickTock 2:55b2357f0cf9 149 void readLog (){
TickTock 2:55b2357f0cf9 150 unsigned char c;
TickTock 2:55b2357f0cf9 151 int i=0;
TickTock 3:51134a275609 152 char lastMsgNum[]={0,0};
TickTock 3:51134a275609 153 char curMsgNum[]={0,0};
TickTock 3:51134a275609 154 char canNum=0;
TickTock 2:55b2357f0cf9 155 pc.printf("printing file\n");
TickTock 2:55b2357f0cf9 156 file = fopen(fileName, "r");
TickTock 2:55b2357f0cf9 157 if (file == NULL) {
TickTock 2:55b2357f0cf9 158 pc.printf("no file found\n");
TickTock 1:dafb963c3c14 159 }
TickTock 2:55b2357f0cf9 160 while (!feof(file)) {
TickTock 2:55b2357f0cf9 161 c=fgetc(file);
TickTock 2:55b2357f0cf9 162 pc.printf("%02x ",c);
TickTock 3:51134a275609 163 if (i==0){
TickTock 3:51134a275609 164 canNum=c;
TickTock 3:51134a275609 165 }else if (i==5){
TickTock 3:51134a275609 166 curMsgNum[canNum]=c;
TickTock 2:55b2357f0cf9 167 }
TickTock 2:55b2357f0cf9 168 if (++i>12) {
TickTock 3:51134a275609 169 if (curMsgNum[canNum]>(lastMsgNum[canNum]+1)) {
TickTock 2:55b2357f0cf9 170 pc.printf(" ***");
TickTock 2:55b2357f0cf9 171 }
TickTock 3:51134a275609 172 lastMsgNum[canNum]=curMsgNum[canNum];
TickTock 2:55b2357f0cf9 173 pc.printf("\n");
TickTock 2:55b2357f0cf9 174 i=0;
TickTock 2:55b2357f0cf9 175 }
TickTock 2:55b2357f0cf9 176 }
TickTock 4:fb373a391155 177 pc.printf("\n\n\n\n");
TickTock 2:55b2357f0cf9 178 fclose(file);
TickTock 2:55b2357f0cf9 179 }
TickTock 1:dafb963c3c14 180
TickTock 2:55b2357f0cf9 181 void logCan (char mtype, CANMessage canRXmsg) {
TickTock 2:55b2357f0cf9 182 unsigned short ts = getTimeStamp();
TickTock 2:55b2357f0cf9 183 writeBuffer[bufPointer][0]=mtype;
TickTock 2:55b2357f0cf9 184 writeBuffer[bufPointer][1]=ts>>8;
TickTock 2:55b2357f0cf9 185 writeBuffer[bufPointer][2]=ts&0xff;
TickTock 2:55b2357f0cf9 186 writeBuffer[bufPointer][3]=canRXmsg.id&0xff;
TickTock 2:55b2357f0cf9 187 writeBuffer[bufPointer][4]=(canRXmsg.id>>8)+(canRXmsg.len<<4);
TickTock 2:55b2357f0cf9 188 for (int i = 5; i<13; i++){
TickTock 2:55b2357f0cf9 189 writeBuffer[bufPointer][i]=canRXmsg.data[i-5];
TickTock 0:1596b8644523 190 }
TickTock 4:fb373a391155 191 if (++bufPointer >= maxBufLen) {
TickTock 4:fb373a391155 192 bufPointer = 0;
TickTock 4:fb373a391155 193 led4 = !led4;
TickTock 4:fb373a391155 194 }
TickTock 1:dafb963c3c14 195 }
TickTock 0:1596b8644523 196
TickTock 1:dafb963c3c14 197 void send1() {
TickTock 1:dafb963c3c14 198 static char counter = 0; // use for fake data
TickTock 1:dafb963c3c14 199 can1.write(CANMessage(0x350, &counter, 1));
TickTock 1:dafb963c3c14 200 counter++;
TickTock 4:fb373a391155 201 can1.write(CANMessage(0x351, &counter, 1));
TickTock 2:55b2357f0cf9 202 counter++;
TickTock 4:fb373a391155 203 can1.write(CANMessage(0x352, &counter, 1));
TickTock 4:fb373a391155 204 counter++;
TickTock 3:51134a275609 205 }
TickTock 3:51134a275609 206
TickTock 3:51134a275609 207 void send2() {
TickTock 3:51134a275609 208 static char counter = 0; // use for fake data
TickTock 3:51134a275609 209 can2.write(CANMessage(0x351, &counter, 1));
TickTock 3:51134a275609 210 counter++;
TickTock 4:fb373a391155 211 can2.write(CANMessage(0x351, &counter, 1));
TickTock 3:51134a275609 212 counter++;
TickTock 3:51134a275609 213 can2.write(CANMessage(0x352, &counter, 1));
TickTock 4:fb373a391155 214 counter++;
TickTock 0:1596b8644523 215 }
TickTock 0:1596b8644523 216
TickTock 0:1596b8644523 217 void recieve1() {
TickTock 2:55b2357f0cf9 218 CANMessage msg1;
TickTock 2:55b2357f0cf9 219 unsigned short msgTime=getTimeStamp();
TickTock 3:51134a275609 220 static int lastMsg1 = 0;
TickTock 0:1596b8644523 221 can1.read(msg1);
TickTock 3:51134a275609 222 if (msg1.id!=0x000) {
TickTock 3:51134a275609 223 if (msg1.data[0]>(lastMsg1+1)) {
TickTock 3:51134a275609 224 pc.printf("%sCan1 Message %d missed! \n", upLine, lastMsg1+1);
TickTock 1:dafb963c3c14 225 }
TickTock 3:51134a275609 226 lastMsg1=msg1.data[0];
TickTock 3:51134a275609 227 if(logOpen) {
TickTock 4:fb373a391155 228 logCan(1, msg1);
TickTock 3:51134a275609 229 }
TickTock 3:51134a275609 230 led1 = !led1;
TickTock 1:dafb963c3c14 231 }
TickTock 0:1596b8644523 232 }
TickTock 2:55b2357f0cf9 233
TickTock 0:1596b8644523 234 void recieve2() {
TickTock 2:55b2357f0cf9 235 CANMessage msg2;
TickTock 2:55b2357f0cf9 236 unsigned short msgTime=getTimeStamp();
TickTock 3:51134a275609 237 static int lastMsg2 = 0;
TickTock 0:1596b8644523 238 can2.read(msg2);
TickTock 3:51134a275609 239 if (msg2.id!=0x000) {
TickTock 3:51134a275609 240 if (msg2.data[0]>(lastMsg2+1)) {
TickTock 3:51134a275609 241 pc.printf("%sCan2 Message %d missed! \n", upLine, lastMsg2+1);
TickTock 3:51134a275609 242 }
TickTock 3:51134a275609 243 lastMsg2=msg2.data[0];
TickTock 3:51134a275609 244 if(logOpen) {
TickTock 4:fb373a391155 245 logCan(2, msg2);
TickTock 3:51134a275609 246 }
TickTock 3:51134a275609 247 led2 = !led2;
TickTock 2:55b2357f0cf9 248 }
TickTock 0:1596b8644523 249 }
TickTock 0:1596b8644523 250
TickTock 0:1596b8644523 251 int main() {
TickTock 2:55b2357f0cf9 252 pc.baud(460800); // change serial interface to pc to 115200, 8N1
TickTock 2:55b2357f0cf9 253 CANMessage tsMsg;
TickTock 1:dafb963c3c14 254 can1.frequency(1000000);
TickTock 1:dafb963c3c14 255 can2.frequency(1000000);
TickTock 2:55b2357f0cf9 256 can1_SleepMode = 0; // Enable TX
TickTock 2:55b2357f0cf9 257 can2_SleepMode = 0; // Enable TX
TickTock 1:dafb963c3c14 258 //can1_SleepMode = 1; // Turn on Monitor_only Mode
TickTock 1:dafb963c3c14 259 //can2_SleepMode = 1; // Turn on Monitor_only Mode
TickTock 0:1596b8644523 260 CD.mode(PullUp) ; //SDRAM Chip Detect
TickTock 2:55b2357f0cf9 261 PB1.mode(PullUp) ; //Pushbutton 1
TickTock 0:1596b8644523 262 can1.attach(&recieve1);
TickTock 0:1596b8644523 263 can2.attach(&recieve2);
TickTock 1:dafb963c3c14 264
TickTock 1:dafb963c3c14 265 timer.start() ;
TickTock 2:55b2357f0cf9 266 RTC_Init(); // start the RTC Interrupts that sync the timer
TickTock 2:55b2357f0cf9 267 wait(1.1); // give time to sync
TickTock 1:dafb963c3c14 268
TickTock 6:594d9717e609 269 while (true) {
TickTock 6:594d9717e609 270 if(CD == 1) {
TickTock 6:594d9717e609 271 int fileNum = 0;
TickTock 2:55b2357f0cf9 272 sprintf(fileName,"/sd/canary%d.evc",fileNum);
TickTock 2:55b2357f0cf9 273 file = fopen(fileName, "r");
TickTock 6:594d9717e609 274 while ((file != NULL)&&(fileNum++<100)) {
TickTock 6:594d9717e609 275 fclose(file);
TickTock 6:594d9717e609 276 sprintf(fileName,"/sd/canary%d.evc",fileNum);
TickTock 6:594d9717e609 277 file = fopen(fileName, "r");
TickTock 6:594d9717e609 278 }
TickTock 6:594d9717e609 279
TickTock 6:594d9717e609 280 file = fopen(fileName, "wb");
TickTock 6:594d9717e609 281 if(file==NULL){
TickTock 6:594d9717e609 282 pc.printf("\nUnable to open canlog\n\n\n\n");
TickTock 6:594d9717e609 283 mbed_reset();
TickTock 6:594d9717e609 284 } else {
TickTock 6:594d9717e609 285 logOpen = true;
TickTock 6:594d9717e609 286 pc.printf("\nStarting Can Log %s\n\n\n\n",fileName);
TickTock 6:594d9717e609 287 unsigned long secs = time(NULL); // seconds past 12:00:00 AM 1 Jan 1900
TickTock 6:594d9717e609 288 tsMsg.id=0xfff;
TickTock 6:594d9717e609 289 tsMsg.len=0xf;
TickTock 6:594d9717e609 290 tsMsg.data[0]=secs&0xff;
TickTock 6:594d9717e609 291 tsMsg.data[1]=(secs>>0)&0xff;
TickTock 6:594d9717e609 292 tsMsg.data[2]=(secs>>16)&0xff;
TickTock 6:594d9717e609 293 tsMsg.data[3]=secs>>24;
TickTock 6:594d9717e609 294 tsMsg.data[4]=0xff;
TickTock 6:594d9717e609 295 tsMsg.data[5]=0xff;
TickTock 6:594d9717e609 296 tsMsg.data[6]=0xff;
TickTock 6:594d9717e609 297 tsMsg.data[7]=0xff;
TickTock 6:594d9717e609 298 logCan(0,tsMsg); //write full timestamp
TickTock 6:594d9717e609 299 fclose(file);
TickTock 6:594d9717e609 300 }
TickTock 6:594d9717e609 301 ticker1.attach(&send1, .0052); //start sending messages
TickTock 6:594d9717e609 302 ticker2.attach(&send2, .0051); //start sending messages
TickTock 6:594d9717e609 303
TickTock 6:594d9717e609 304 while ((PB1==1)&&(CD==1)){
TickTock 6:594d9717e609 305 wait(0.25); // Keep logging until button pushed or SDRAM removed
TickTock 6:594d9717e609 306 }
TickTock 6:594d9717e609 307 ticker1.detach();
TickTock 6:594d9717e609 308 ticker2.detach();
TickTock 6:594d9717e609 309 logOpen=false;
TickTock 6:594d9717e609 310 pc.printf("Stopping log\n\n");
TickTock 6:594d9717e609 311 wait(1);
TickTock 6:594d9717e609 312 if (CD==1)
TickTock 6:594d9717e609 313 readLog();
TickTock 2:55b2357f0cf9 314 } else {
TickTock 6:594d9717e609 315 pc.printf("\nNo SDRAM Inserted.\n\n\n\n");
TickTock 2:55b2357f0cf9 316 }
TickTock 6:594d9717e609 317 wait(1);
TickTock 0:1596b8644523 318 }
TickTock 0:1596b8644523 319 }