mbed_example / Mbed OS CAN_ex_1

Additional CAN example

main.cpp@0:06f428d689e4, 2017-01-19 (annotated)

Committer:
mab5449
Date:
Thu Jan 19 14:21:14 2017 -0600
Revision:
0:06f428d689e4
Child:
1:5791101761f9
Initial commit. Ported code snippets to mbed OS 5 projects

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mab5449 0:06f428d689e4 1 #include "mbed.h"
mab5449 0:06f428d689e4 2
mab5449 0:06f428d689e4 3 Ticker ticker;
mab5449 0:06f428d689e4 4 DigitalOut led1(LED1);
mab5449 0:06f428d689e4 5 DigitalOut led2(LED2);
mab5449 0:06f428d689e4 6 CAN can1(p9, p10);
mab5449 0:06f428d689e4 7 CAN can2(p30, p29);
mab5449 0:06f428d689e4 8 char counter = 0;
mab5449 0:06f428d689e4 9
mab5449 0:06f428d689e4 10 void send() {
mab5449 0:06f428d689e4 11 printf("send()\n");
mab5449 0:06f428d689e4 12 if(can1.write(CANMessage(1337, &counter;, 1))) {
mab5449 0:06f428d689e4 13 printf("wloop()\n");
mab5449 0:06f428d689e4 14 counter++;
mab5449 0:06f428d689e4 15 printf("Message sent: %d\n", counter);
mab5449 0:06f428d689e4 16 }
mab5449 0:06f428d689e4 17 led1 = !led1;
mab5449 0:06f428d689e4 18 }
mab5449 0:06f428d689e4 19
mab5449 0:06f428d689e4 20 int main() {
mab5449 0:06f428d689e4 21 printf("main()\n");
mab5449 0:06f428d689e4 22 ticker.attach(&send;, 1);
mab5449 0:06f428d689e4 23 CANMessage msg;
mab5449 0:06f428d689e4 24 while(1) {
mab5449 0:06f428d689e4 25 printf("loop()\n");
mab5449 0:06f428d689e4 26 if(can2.read(msg)) {
mab5449 0:06f428d689e4 27 printf("Message received: %d\n", msg.data[0]);
mab5449 0:06f428d689e4 28 led2 = !led2;
mab5449 0:06f428d689e4 29 }
mab5449 0:06f428d689e4 30 wait(0.2);
mab5449 0:06f428d689e4 31 }
mab5449 0:06f428d689e4 32 }