DFFTeam
Esercitazione5_10
Dependencies: mbed
main.cpp@0:b765c25dc19d, 2016-10-31 (annotated)
- Committer:
- MDevolution
- Date:
- Mon Oct 31 11:17:57 2016 +0000
- Revision:
- 0:b765c25dc19d
Esercitazione5_10
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| MDevolution | 0:b765c25dc19d | 1 | /* Program Example 10: Event driven LED switching with switch debounce |
| MDevolution | 0:b765c25dc19d | 2 | */ |
| MDevolution | 0:b765c25dc19d | 3 | #include "mbed.h" |
| MDevolution | 0:b765c25dc19d | 4 | InterruptIn button(PC_13); // Interrupt on digital pushbutton input p18 |
| MDevolution | 0:b765c25dc19d | 5 | DigitalOut led1(LED1); // digital out to LED1 |
| MDevolution | 0:b765c25dc19d | 6 | Timer debounce; // define debounce timer |
| MDevolution | 0:b765c25dc19d | 7 | void toggle(void); // function prototype |
| MDevolution | 0:b765c25dc19d | 8 | |
| MDevolution | 0:b765c25dc19d | 9 | int main(){ |
| MDevolution | 0:b765c25dc19d | 10 | debounce.start(); |
| MDevolution | 0:b765c25dc19d | 11 | button.rise(&toggle); // attach the address of the toggle |
| MDevolution | 0:b765c25dc19d | 12 | } |
| MDevolution | 0:b765c25dc19d | 13 | |
| MDevolution | 0:b765c25dc19d | 14 | // function to the rising edge |
| MDevolution | 0:b765c25dc19d | 15 | void toggle() |
| MDevolution | 0:b765c25dc19d | 16 | { |
| MDevolution | 0:b765c25dc19d | 17 | if (debounce.read_ms()>10) // only allow toggle if debounce timer |
| MDevolution | 0:b765c25dc19d | 18 | led1=!led1; // has passed 10 ms |
| MDevolution | 0:b765c25dc19d | 19 | debounce.reset(); // restart timer when the toggle is performed |
| MDevolution | 0:b765c25dc19d | 20 | } |