Rob Toulson
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
main.cpp@0:b9b71a68570e, 2013-06-16 (annotated)
- Committer:
- robt
- Date:
- Sun Jun 16 15:40:00 2013 +0000
- Revision:
- 0:b9b71a68570e
by Rob Toulson and Tim Wilmshurst from textbook "Fast and Effective Embedded Systems Design: Applying the ARM mbed"
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| robt | 0:b9b71a68570e | 1 | /* Program Example 13.5: CAN data read – reads CAN messages from the CAN bus |
| robt | 0:b9b71a68570e | 2 | */ |
| robt | 0:b9b71a68570e | 3 | #include "mbed.h" |
| robt | 0:b9b71a68570e | 4 | Serial pc(USBTX, USBRX); // tx, rx for Tera Term output |
| robt | 0:b9b71a68570e | 5 | DigitalOut led2(LED2); // status LED |
| robt | 0:b9b71a68570e | 6 | CAN can1(p9, p10); // CAN interface |
| robt | 0:b9b71a68570e | 7 | int main() { |
| robt | 0:b9b71a68570e | 8 | CANMessage msg; // create empty CAN message |
| robt | 0:b9b71a68570e | 9 | printf("read...\n"); |
| robt | 0:b9b71a68570e | 10 | while(1) { |
| robt | 0:b9b71a68570e | 11 | if(can1.read(msg)) { // if message is available, read into msg |
| robt | 0:b9b71a68570e | 12 | printf("Message received: %d\n", msg.data[0]); // display message data |
| robt | 0:b9b71a68570e | 13 | led2 = !led2; // toggle status LED |
| robt | 0:b9b71a68570e | 14 | } |
| robt | 0:b9b71a68570e | 15 | } |
| robt | 0:b9b71a68570e | 16 | } |
| robt | 0:b9b71a68570e | 17 |