Paul Paterson / CanNucleoF0_example

Example program for CanNucleoF0 library. Can download same program onto multiple Nucleo-F091RC devices. Devices will maintain number of messages sent and send that number to the other device(s).

Dependencies:   mbed-src-CanNucleoF0

main.cpp@1:cc465eab3e69, 2015-12-17 (annotated)

Committer:
ptpaterson
Date:
Thu Dec 17 03:20:19 2015 +0000
Revision:
1:cc465eab3e69
Parent:
0:c76257ab6331 
example created

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ptpaterson 0:c76257ab6331 1
ptpaterson 0:c76257ab6331 2 /** @file
ptpaterson 0:c76257ab6331 3 * @brief main program entry
ptpaterson 0:c76257ab6331 4 */
ptpaterson 0:c76257ab6331 5
ptpaterson 0:c76257ab6331 6 #include "mbed.h"
ptpaterson 0:c76257ab6331 7
ptpaterson 0:c76257ab6331 8 DigitalOut boardLed (LED1);
ptpaterson 0:c76257ab6331 9 Ticker inputScanner;
ptpaterson 0:c76257ab6331 10 int volatile input;
ptpaterson 0:c76257ab6331 11
ptpaterson 0:c76257ab6331 12 void InputScan ()
ptpaterson 0:c76257ab6331 13 {
ptpaterson 0:c76257ab6331 14 boardLed = !boardLed;
ptpaterson 0:c76257ab6331 15 }
ptpaterson 0:c76257ab6331 16
ptpaterson 0:c76257ab6331 17 int main()
ptpaterson 0:c76257ab6331 18 {
ptpaterson 1:cc465eab3e69 19 printf ("\r\n----- MAIN -----\r\n");
ptpaterson 0:c76257ab6331 20
ptpaterson 0:c76257ab6331 21 /* blinker task*/
ptpaterson 0:c76257ab6331 22 boardLed = 0;
ptpaterson 0:c76257ab6331 23 input = 0;
ptpaterson 0:c76257ab6331 24 inputScanner.attach_us (&InputScan, 50000);
ptpaterson 0:c76257ab6331 25
ptpaterson 0:c76257ab6331 26 /*=========================================================================
ptpaterson 0:c76257ab6331 27 * test echo
ptpaterson 0:c76257ab6331 28 *=========================================================================
ptpaterson 0:c76257ab6331 29 */
ptpaterson 0:c76257ab6331 30 CAN can (PA_11, PA_12);
ptpaterson 0:c76257ab6331 31
ptpaterson 0:c76257ab6331 32 char counter = 255;
ptpaterson 0:c76257ab6331 33 if (! (can.write (CANMessage (1337, &counter, 1)))) {
ptpaterson 0:c76257ab6331 34 printf ("can.write FAILURE!\r\n");
ptpaterson 0:c76257ab6331 35 }
ptpaterson 0:c76257ab6331 36 counter = 0;
ptpaterson 0:c76257ab6331 37
ptpaterson 0:c76257ab6331 38 CANMessage msgRx;
ptpaterson 0:c76257ab6331 39
ptpaterson 1:cc465eab3e69 40 printf ("----- READY -----\r\n");
ptpaterson 0:c76257ab6331 41 while (1) {
ptpaterson 0:c76257ab6331 42 if (can.read (msgRx)) {
ptpaterson 0:c76257ab6331 43
ptpaterson 0:c76257ab6331 44 printf("Message received: %d ", msgRx.data[0]);
ptpaterson 0:c76257ab6331 45 wait (0.4); printf(".");
ptpaterson 0:c76257ab6331 46 wait (0.4); printf(".");
ptpaterson 0:c76257ab6331 47 wait (0.4); printf(". \r\n");
ptpaterson 0:c76257ab6331 48
ptpaterson 0:c76257ab6331 49 counter++;
ptpaterson 0:c76257ab6331 50 if (! (can.write (CANMessage (1337, &counter, 1)))) {
ptpaterson 0:c76257ab6331 51 printf ("can.write FAILURE!\r\n");
ptpaterson 0:c76257ab6331 52 }
ptpaterson 0:c76257ab6331 53 }
ptpaterson 0:c76257ab6331 54
ptpaterson 0:c76257ab6331 55 wait (0.05);
ptpaterson 0:c76257ab6331 56 }
ptpaterson 0:c76257ab6331 57 }