Juan Angel García
Control de rebotes.
main.cpp@0:44c7fcb872d1, 2017-03-09 (annotated)
- Committer:
- jangelgm
- Date:
- Thu Mar 09 21:49:01 2017 +0000
- Revision:
- 0:44c7fcb872d1
Control de rebotes.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| jangelgm | 0:44c7fcb872d1 | 1 | /* Program Example 9.12: Event driven LED switching with switch debounce |
| jangelgm | 0:44c7fcb872d1 | 2 | */ |
| jangelgm | 0:44c7fcb872d1 | 3 | #include "mbed.h" |
| jangelgm | 0:44c7fcb872d1 | 4 | |
| jangelgm | 0:44c7fcb872d1 | 5 | InterruptIn button(p18); // Interrupt on digital pushbutton input p18 |
| jangelgm | 0:44c7fcb872d1 | 6 | DigitalOut led1(LED1); // digital out to LED1 |
| jangelgm | 0:44c7fcb872d1 | 7 | Timer debounce; // define debounce timer |
| jangelgm | 0:44c7fcb872d1 | 8 | |
| jangelgm | 0:44c7fcb872d1 | 9 | void toggle(void); // function prototype |
| jangelgm | 0:44c7fcb872d1 | 10 | |
| jangelgm | 0:44c7fcb872d1 | 11 | int main() |
| jangelgm | 0:44c7fcb872d1 | 12 | { |
| jangelgm | 0:44c7fcb872d1 | 13 | debounce.start(); |
| jangelgm | 0:44c7fcb872d1 | 14 | button.rise(&toggle); // attach the address of the toggle |
| jangelgm | 0:44c7fcb872d1 | 15 | } |
| jangelgm | 0:44c7fcb872d1 | 16 | |
| jangelgm | 0:44c7fcb872d1 | 17 | // function to the rising edge |
| jangelgm | 0:44c7fcb872d1 | 18 | void toggle() |
| jangelgm | 0:44c7fcb872d1 | 19 | { |
| jangelgm | 0:44c7fcb872d1 | 20 | if (debounce.read_ms()>10) // only allow toggle if debounce timer |
| jangelgm | 0:44c7fcb872d1 | 21 | led1=!led1; // has passed 10 ms |
| jangelgm | 0:44c7fcb872d1 | 22 | debounce.reset(); // restart timer when the toggle is performed |
| jangelgm | 0:44c7fcb872d1 | 23 | } |