Luca Mottola
Example using the user button on DISCO L475E IOT01, using interrupts
main.cpp@0:fc82b2d5fe07, 2018-11-08 (annotated)
- Committer:
- lmottola
- Date:
- Thu Nov 08 17:09:25 2018 +0000
- Revision:
- 0:fc82b2d5fe07
Initial commit
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| lmottola | 0:fc82b2d5fe07 | 1 | #include "mbed.h" |
| lmottola | 0:fc82b2d5fe07 | 2 | |
| lmottola | 0:fc82b2d5fe07 | 3 | InterruptIn button(USER_BUTTON); |
| lmottola | 0:fc82b2d5fe07 | 4 | DigitalOut led(LED1); |
| lmottola | 0:fc82b2d5fe07 | 5 | DigitalOut heartbeat(LED2); |
| lmottola | 0:fc82b2d5fe07 | 6 | |
| lmottola | 0:fc82b2d5fe07 | 7 | void toggle() { |
| lmottola | 0:fc82b2d5fe07 | 8 | led = !led; |
| lmottola | 0:fc82b2d5fe07 | 9 | } |
| lmottola | 0:fc82b2d5fe07 | 10 | |
| lmottola | 0:fc82b2d5fe07 | 11 | int main() { |
| lmottola | 0:fc82b2d5fe07 | 12 | button.rise(&toggle); // Call toggle function on the rising edge |
| lmottola | 0:fc82b2d5fe07 | 13 | while(1) { // Wait around, interrupts will interrupt this! |
| lmottola | 0:fc82b2d5fe07 | 14 | heartbeat = !heartbeat; |
| lmottola | 0:fc82b2d5fe07 | 15 | wait(0.25); |
| lmottola | 0:fc82b2d5fe07 | 16 | } |
| lmottola | 0:fc82b2d5fe07 | 17 | } |