main.cpp

00001 /* Program Example 13.4: CAN data write – sends an incrementing count value to the CAN bus every second.
00002                                                                             */
00003 #include "mbed.h"
00004 Serial pc(USBTX, USBRX);          // tx, rx for Tera Term output
00005 
00006 DigitalOut led1(LED1);            // status LED
00007 CAN can1(p30, p29);               // CAN interface
00008 char counter = 0;
00009 int main() {
00010   printf("send... ");
00011   while (1) {       
00012     // send value to CAN bus and monitor return value to check if CAN
00013     // message was sent successfully. If so display, increment and toggle
00014     if (can1.write(CANMessage(1, &counter, 1))) {  
00015        pc.printf("Message sent: %d\n", counter);       // display
00016        counter++;                                   // increment
00017        led1 = !led1;                                // toggle status LED
00018     }else{
00019       can1.reset();
00020     }
00021     wait(1);
00022   }
00023 }