test fork
Dependencies: SPI_TFTx2 SPI_TFTx2_ILI9341 TFT_fonts TOUCH_TFTx2 mbed
Fork of CANary_9341 by
utility.cpp
- Committer:
- TickTock
- Date:
- 2013-03-23
- Revision:
- 36:dbd39c315258
- Parent:
- 35:5acbd8a64a89
- Child:
- 37:fea2c1d52c5f
File content as of revision 36:dbd39c315258:
// utility.cpp #include "utility.h" void mbed_reset(); void RTC_IRQHandler() { timer.reset(); // zero ms at the-seconds-tic canIdle=(++secsNoMsg>canTimeout)?true:false; userIdle=(++secsNoTouch>userTimeout)?true:false; LPC_RTC->ILR |= (1<<0); // clear interrupt to prepare for next tick=true; } extern "C" void RTC_Init (void) { LPC_RTC->ILR=0x00; // set up the RTC interrupts LPC_RTC->CIIR=0x01; // interrupts each second LPC_RTC->CCR = 0x01; // Clock enable //NVIC_SetPriority( RTC_IRQn, 10 ); NVIC_EnableIRQ( RTC_IRQn ); } void logMsg (char *msg) { strcpy(displayLog[displayLoc],msg); displayLoc=displayLoc>17?0:displayLoc+1; } void touch_ISR(){ LPC_GPIOINT->IO2IntClr = (LPC_GPIOINT->IO2IntStatR | LPC_GPIOINT->IO2IntStatF); touched=true; // just set flag - touch screen algorythm is long and we don't want to block other interrupts } unsigned short getTimeStamp() { unsigned short msec = timer.read_ms() ; // read ms from the timer unsigned long secs = time(NULL); // seconds past 12:00:00 AM 1 Jan 1900 unsigned short isecs = secs%60 ; // modulo 60 for 0-59 seconds from RTC return ((isecs<<10)+msec) ; // return the two byte time stamp } void logCan (char mType, CANMessage canRXmsg) { char sTemp[40]; unsigned short ts = getTimeStamp(); unsigned long secs = time(NULL); // seconds past 12:00:00 AM 1 Jan 1900 static unsigned char ii = 0, lasti = 0; // indexindex unsigned char changed,i; static unsigned char bdi; secsNoMsg=0; // reset deadman switch if(logOpen){ if(canRXmsg.id>0) { writeBuffer[writePointer][0]=mType; writeBuffer[writePointer][1]=((secs%60)<<2)+((ts&0x300)>>8); writeBuffer[writePointer][2]=ts&0xff; writeBuffer[writePointer][3]=canRXmsg.id&0xff; writeBuffer[writePointer][4]=(canRXmsg.id>>8)+(canRXmsg.len<<4); for(i=5;i<13;i++){ writeBuffer[writePointer][i]=canRXmsg.data[i-5]; } if (++writePointer >= maxBufLen) { writePointer = 0; led3 = !led3; } } }//if logOpen if(indexLastMsg[canRXmsg.id]==0) { //Check if no entry ii=ii<99?ii+1:0; indexLastMsg[canRXmsg.id]=ii; //Create entry if first message } if(dMode[0]==changedScreen||dMode[1]==changedScreen){ changed=msgChanged[indexLastMsg[canRXmsg.id]]; for(i=0;i<8;i++){ if(lastMsg[indexLastMsg[canRXmsg.id]].data[i]!=canRXmsg.data[i]){ changed |= 1<<i; } } msgChanged[indexLastMsg[canRXmsg.id]]=changed; } lastMsg[indexLastMsg[canRXmsg.id]]=canRXmsg; //Store in table if((mType==2)&&(canRXmsg.id==0x358)){ // headlight/turn signal indicator headlights = (canRXmsg.data[1]&0x80)?true:false; } else if((mType==1)&&(canRXmsg.id==0x7bb)){ // is battery data? Need to store all responses if(canRXmsg.data[0]<0x20){ if(canRXmsg.data[3]==2){//cellpair data bdi=0; sprintf(sTemp,"Getting cell pair data\n"); logMsg(sTemp); }else if(canRXmsg.data[3]==4){//temperature data bdi=0x20; sprintf(sTemp,"Getting temperature data\n"); logMsg(sTemp); }else bdi=0; lasti=0; } i=canRXmsg.data[0]&0x0f; //lower nibble of D0 is index if(lasti>i){ //detect rollover and offset index appropriately bdi=0x10; } lasti=i; //remember the msb to detect rollover next time around i+=bdi; i*=7; if(i<0xfa){ battData[i+0]=canRXmsg.data[1]; battData[i+1]=canRXmsg.data[2]; battData[i+2]=canRXmsg.data[3]; battData[i+3]=canRXmsg.data[4]; battData[i+4]=canRXmsg.data[5]; battData[i+5]=canRXmsg.data[6]; battData[i+6]=canRXmsg.data[7]; } }//if 0x7bb } void logTS () { CANMessage tsMsg; 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>>8)&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); } void sendCPreq() { char i; char data[8] = {0x02, 0x21, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff}; can1.monitor(false); // set to active mode can1SleepMode = 0; // enable TX can1.write(CANMessage(0x79b, data, 8)); logCan(1,CANMessage(0x79b, data, 8)); data[0]=0x30; //change to request next line message data[1]=0x01; data[2]=0x00; for(i=0;i<29;i++){ wait_ms(16); //wait 16ms can1.write(CANMessage(0x79b, data, 8)); } can1SleepMode = 1; // disable TX can1.monitor(true); // set to snoop mode } void sendTreq() { char i; char data[8] = {0x02, 0x21, 0x04, 0xff, 0xff, 0xff, 0xff, 0xff}; can1.monitor(false); // set to active mode can1SleepMode = 0; // enable TX can1.write(CANMessage(0x79b, data, 8)); logCan(1,CANMessage(0x79b, data, 8)); data[0]=0x30; //change to request next line message data[1]=0x01; data[2]=0x00; for(i=0;i<3;i++){ wait_ms(16); //wait 16ms can1.write(CANMessage(0x79b, data, 8)); } can1SleepMode = 1; // disable TX can1.monitor(true); // set to snoop mode } void autoPollISR() { //This is the ticker ISR for auto-polling pollCP=true; //Set a flag to do in main loop instead of here } //since ticker blocks other interrupts void playbackISR() { //Used for autoplayback step=true; } void doNothing(){ //CAN deattach work-around } void recieve1() { CANMessage msg1; can1.read(msg1); logCan(1, msg1); //EVcan led1 = !led1; } void recieve2() { CANMessage msg2; can2.read(msg2); logCan(2, msg2); //CARcan led2 = !led2; } unsigned char buttonX(unsigned short X, unsigned char columns) { unsigned char val = X*columns/320; return val; } unsigned char buttonY(unsigned short Y, unsigned char rows) { unsigned short val = Y*rows/240; return val; } void saveConfig(){ FILE *cfile; cfile = fopen("/local/config.txt", "w"); fprintf(cfile,"format 2\r\n"); fprintf(cfile,"x0_off %d\r\n",tt.x0_off); fprintf(cfile,"y0_off %d\r\n",tt.y0_off); fprintf(cfile,"x0_pp %d\r\n",tt.x0_pp); fprintf(cfile,"y0_pp %d\r\n",tt.y0_pp); fprintf(cfile,"x1_off %d\r\n",tt.x1_off); fprintf(cfile,"y1_off %d\r\n",tt.y1_off); fprintf(cfile,"x1_pp %d\r\n",tt.x1_pp); fprintf(cfile,"y1_pp %d\r\n",tt.y1_pp); fprintf(cfile,"x_mid %d\r\n",tt.x_mid); if (dMode[0]==config1Screen) fprintf(cfile,"dMode0 %d\r\n",dteScreen); else fprintf(cfile,"dMode0 %d\r\n",dMode[0]); if (dMode[1]==config1Screen) fprintf(cfile,"dMode1 %d\r\n",dteScreen); else fprintf(cfile,"dMode1 %d\r\n",dMode[1]); fprintf(cfile,"ledHi %4.3f\r\n",ledHi); fprintf(cfile,"ledLo %4.3f\r\n",ledLo); fprintf(cfile,"pollInt %d\r\n",pollInt); fprintf(cfile,"scale12V %4.2f\r\n",scale12V); fclose(cfile); } void readConfig(){ FILE *cfile; int ff; char sTemp[40]; cfile = fopen("/local/config.txt", "r"); if (cfile==NULL){ // if doesn't exist --> create sprintf(sTemp,"No config file found.\n"); logMsg(sTemp); sprintf(sTemp,"Calibrating touch screen.\n"); logMsg(sTemp); //tt.setcal(5570, 34030, 80, 108, 33700, 5780, 82, 108, 32500);// bypass calibration using my values tt.calibrate(); // run touchscreen calibration routine saveConfig(); } else { sprintf(sTemp,"Reading config file.\n"); logMsg(sTemp); //tt.setcal(5570, 34030, 80, 108, 33700, 5780, 82, 108, 32500);// bypass calibration using my values fscanf(cfile, "format %c\r\n", &ff ) ; fscanf(cfile, "x0_off %d\r\n", &tt.x0_off ) ; fscanf(cfile, "y0_off %d\r\n", &tt.y0_off ) ; fscanf(cfile, "x0_pp %d\r\n", &tt.x0_pp ) ; fscanf(cfile, "y0_pp %d\r\n", &tt.y0_pp ) ; fscanf(cfile, "x1_off %d\r\n", &tt.x1_off ) ; fscanf(cfile, "y1_off %d\r\n", &tt.y1_off ) ; fscanf(cfile, "x1_pp %d\r\n", &tt.x1_pp ) ; fscanf(cfile, "y1_pp %d\r\n", &tt.y1_pp ) ; fscanf(cfile, "x_mid %d\r\n", &tt.x_mid ) ; fscanf(cfile, "dMode0 %d\r\n", &dMode[0] ) ; fscanf(cfile, "dMode1 %d\r\n", &dMode[1] ) ; if(ff>1){ fscanf(cfile, "ledHi %4.3f\r\n", &ledHi ) ; fscanf(cfile, "ledLo %4.3f\r\n", &ledLo ) ; fscanf(cfile, "pollInt %d\r\n", &pollInt ) ; fscanf(cfile, "scale12V %4.2f\r\n", &scale12V ) ; }else{ //old format - set defaults ledHi = 0.8; ledLo = 0.1; pollInt = 300; scale12V = 16.2; } fclose(cfile); if(ff<2) //If not latest format, save as latest format saveConfig(); } } void upDate(unsigned char field, bool upDownBar){ struct tm t; // pointer to a static tm structure time_t seconds ; seconds = time(NULL); t = *localtime(&seconds) ; switch(field){ case 0: // year if (upDownBar) { t.tm_year = t.tm_year+1; } else { t.tm_year = t.tm_year-1; } break; case 1: // month if (upDownBar) { t.tm_mon = (t.tm_mon<12)?t.tm_mon+1:1; } else { t.tm_mon = (t.tm_mon>2)?t.tm_mon-1:12; } break; case 2: // day if (upDownBar) { t.tm_mday = (t.tm_mday<31)?t.tm_mday+1:1; } else { t.tm_mday = (t.tm_mday>2)?t.tm_mday-1:31; } break; case 3: // hour if (upDownBar) { t.tm_hour = (t.tm_hour<23)?t.tm_hour+1:0; } else { t.tm_hour = (t.tm_hour>1)?t.tm_hour-1:23; } break; case 4: // minute if (upDownBar) { t.tm_min = (t.tm_min<59)?t.tm_min+1:0; } else { t.tm_min = (t.tm_min>1)?t.tm_min-1:59; } break; case 5: // second if (upDownBar) { t.tm_sec = (t.tm_sec<59)?t.tm_sec+1:0; } else { t.tm_sec = (t.tm_sec>1)?t.tm_sec-1:59; } break; default: break; } set_time(mktime(&t)); }