by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
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 }
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