Richard Adams
CAN transmit test
main.cpp@0:fc2ffe77c811, 2010-06-23 (annotated)
- Committer:
- richarda
- Date:
- Wed Jun 23 19:40:24 2010 +0000
- Revision:
- 0:fc2ffe77c811
- Child:
- 1:f93dfec45007
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| richarda | 0:fc2ffe77c811 | 1 | #include "mbed.h" |
| richarda | 0:fc2ffe77c811 | 2 | |
| richarda | 0:fc2ffe77c811 | 3 | Ticker ticker; |
| richarda | 0:fc2ffe77c811 | 4 | Ticker t2; |
| richarda | 0:fc2ffe77c811 | 5 | DigitalOut led1(LED1); |
| richarda | 0:fc2ffe77c811 | 6 | DigitalOut led2(LED2); |
| richarda | 0:fc2ffe77c811 | 7 | //CAN can2(p9, p10); |
| richarda | 0:fc2ffe77c811 | 8 | CAN can2(p30, p29); |
| richarda | 0:fc2ffe77c811 | 9 | Serial pc(USBTX, USBRX); // tx, rx |
| richarda | 0:fc2ffe77c811 | 10 | |
| richarda | 0:fc2ffe77c811 | 11 | char counter = 0; |
| richarda | 0:fc2ffe77c811 | 12 | |
| richarda | 0:fc2ffe77c811 | 13 | void send() { |
| richarda | 0:fc2ffe77c811 | 14 | static char counter = 0; |
| richarda | 0:fc2ffe77c811 | 15 | if (can2.write(CANMessage(1337, &counter, 1))) { |
| richarda | 0:fc2ffe77c811 | 16 | printf("CanTx--> id: 0x200 dlc: 1 data: %x\n\r", counter); |
| richarda | 0:fc2ffe77c811 | 17 | led2 = !led2; |
| richarda | 0:fc2ffe77c811 | 18 | counter++; |
| richarda | 0:fc2ffe77c811 | 19 | } else |
| richarda | 0:fc2ffe77c811 | 20 | led2 = 0; |
| richarda | 0:fc2ffe77c811 | 21 | } |
| richarda | 0:fc2ffe77c811 | 22 | |
| richarda | 0:fc2ffe77c811 | 23 | void blink() { |
| richarda | 0:fc2ffe77c811 | 24 | led1 = !led1; |
| richarda | 0:fc2ffe77c811 | 25 | } |
| richarda | 0:fc2ffe77c811 | 26 | |
| richarda | 0:fc2ffe77c811 | 27 | int main() { |
| richarda | 0:fc2ffe77c811 | 28 | pc.printf("\nCAN Test\n"); |
| richarda | 0:fc2ffe77c811 | 29 | //250kbit/s |
| richarda | 0:fc2ffe77c811 | 30 | can2.frequency(250000); |
| richarda | 0:fc2ffe77c811 | 31 | // every 500ms |
| richarda | 0:fc2ffe77c811 | 32 | ticker.attach(&send, 0.5); |
| richarda | 0:fc2ffe77c811 | 33 | t2.attach(&blink, 1.5); |
| richarda | 0:fc2ffe77c811 | 34 | while (1); |
| richarda | 0:fc2ffe77c811 | 35 | } |