tmk_core/tool/mbed/mbed-sdk/libraries/tests/mbed/can_interrupt/main.cpp

   1 #include "mbed.h"
   2
   3 Ticker ticker;
   4 DigitalOut led1(LED1);
   5 DigitalOut led2(LED2);
   6
   7 #if defined(TARGET_LPC1549)
   8 // LPC1549 support only single CAN channel
   9 CAN can1(D2, D3);
  10 #else
  11 CAN can1(p9, p10);
  12 #endif
  13
  14 #if defined(TARGET_LPC4088)
  15 CAN can2(p34, p33);
  16 #elif defined (TARGET_LPC1768)
  17 CAN can2(p30, p29);
  18 #endif
  19 char counter = 0;
  20
  21 void printmsg(char *title, CANMessage *msg) {
  22     printf("%s [%03X]", title, msg->id);
  23     for(char i = 0; i < msg->len; i++) {
  24         printf(" %02X", msg->data[i]);
  25     }
  26     printf("\n");
  27 }
  28
  29 void send() {
  30     printf("send()\n");
  31     CANMessage msg = CANMessage(1337, &counter, 1);
  32     if(can1.write(msg)) {
  33         printmsg("Tx message:", &msg);
  34         counter++;
  35     }
  36     led1 = !led1;
  37 }
  38
  39 #if !defined (TARGET_LPC1549)
  40 void read() {
  41     CANMessage msg;
  42     printf("rx()\n");
  43     if(can2.read(msg)) {
  44         printmsg("Rx message:", &msg);
  45         led2 = !led2;
  46     }
  47 }
  48 #endif
  49
  50 int main() {
  51     printf("main()\n");
  52     ticker.attach(&send, 1);
  53 #if !defined (TARGET_LPC1549)
  54     can2.attach(&read);
  55 #endif
  56     while(1) {
  57         printf("loop()\n");
  58         wait(1);
  59     }
  60 }