Dependencies: FatFileSystem mbed GPS TextLCD
main.cpp
- Committer:
- pangsk
- Date:
- 2010-07-12
- Revision:
- 2:e7b3b8da71ff
- Parent:
- 1:3552a3289608
- Child:
- 3:05bb8f0bd7a4
File content as of revision 2:e7b3b8da71ff:
/* mbed Can-Bus demo This program is to demonstrate the CAN-bus capability of the mbed module. http://www.skpang.co.uk/catalog/product_info.php?products_id=741 v1.0 July 2010 ******************************************************************************** WARNING: Use at your own risk, sadly this software comes with no guarantees. This software is provided 'free' and in good faith, but the author does not accept liability for any damage arising from its use. ******************************************************************************** */ #include "mbed.h" #include "ecu_reader.h" #include "globals.h" #include "TextLCD.h" #include "GPS.h" #include "SDFileSystem.h" GPS gps(p28, p27); TextLCD lcd(p18, p19, p20, p17, p16, p15, p14); // rs, rw, e, d0, d1, d2, d3 SDFileSystem sd(p5, p6, p7, p13, "sd"); DigitalIn click(p21); // Joystick inputs DigitalIn right(p22); DigitalIn down(p23); DigitalIn left(p24); DigitalIn up(p25); ecu_reader obdii(CANSPEED_500); //Create object and set CAN speed void gps_demo(void); void sd_demo(void); int main() { char buffer[20]; lcd.locate(0,0); // Set LCD cursor position lcd.printf("CAN-Bus demo"); lcd.locate(0,1); lcd.printf("www.skpang.co.uk"); pc.printf("\n\rCAN-bus demo..."); wait(3); lcd.cls(); lcd.printf("Use joystick"); lcd.locate(0,1); lcd.printf("U-CAN:D-GPS:L-SD"); while(1) // Wait until option is selected by the joystick { if(down == 0) gps_demo(); if(left == 0) sd_demo(); if(up == 0) break; } lcd.cls(); while(1) { // Main CAN loop led2 = 1; wait(0.1); led2 = 0; wait(0.1); if(obdii.request(ENGINE_RPM,buffer) == 1) // Get engine rpm and display on LCD { lcd.locate(0,0); lcd.printf(buffer); } if(obdii.request(ENGINE_COOLANT_TEMP,buffer) == 1) { lcd.locate(9,0); lcd.printf(buffer); } if(obdii.request(VEHICLE_SPEED,buffer) == 1) { lcd.locate(0,1); lcd.printf(buffer); } if(obdii.request(THROTTLE,buffer) ==1 ) { lcd.locate(9,1); lcd.printf(buffer); } } } void gps_demo(void) { lcd.cls(); lcd.printf("GPS demo"); lcd.locate(0,1); lcd.printf("Waiting for lock"); wait(3); lcd.cls(); while(1) { if(gps.sample()) { lcd.cls(); lcd.printf("Long:%f", gps.longitude); lcd.locate(0,1); lcd.printf("Lat:%f", gps.latitude); pc.printf("I'm at %f, %f\n", gps.longitude, gps.latitude); } else { pc.printf("Oh Dear! No lock :(\n"); lcd.cls(); lcd.printf("Waiting for lock"); } } } void sd_demo(void) { lcd.cls(); lcd.printf("SD demo"); wait(2); lcd.cls(); FILE *fp = fopen("/sd/sdtest2.txt", "w"); if(fp == NULL) { lcd.cls(); lcd.printf("Could not open file for write\n"); } fprintf(fp, "Hello fun SD Card World! testing 1234"); fclose(fp); lcd.locate(0,1); lcd.printf("Writtern to SD card"); while(1) { led2 = 1; wait(0.1); led2 = 0; wait(0.1); } }