This example shows how to use interruptions to simply turn on/off a led.
Fork of mbed-os-example-mbed5-blinky by
main.cpp@14:0357b4ab5699, 2018-03-26 (annotated)
- Committer:
- Jsquiroga
- Date:
- Mon Mar 26 23:37:33 2018 +0000
- Revision:
- 14:0357b4ab5699
- Parent:
- 8:bb09890333fe
Blinky led example using interruptions.; Shows an easy way to turn on/off a led using interruptions.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Jsquiroga | 14:0357b4ab5699 | 1 | #include "mbed.h" |
Jonathan Austin |
0:2757d7abb7d9 | 2 | |
Jsquiroga | 14:0357b4ab5699 | 3 | |
Jsquiroga | 14:0357b4ab5699 | 4 | //Define outputs |
Jsquiroga | 14:0357b4ab5699 | 5 | |
Jsquiroga | 14:0357b4ab5699 | 6 | DigitalOut blue(LED3); |
Jsquiroga | 14:0357b4ab5699 | 7 | |
Jsquiroga | 14:0357b4ab5699 | 8 | |
Jsquiroga | 14:0357b4ab5699 | 9 | //Define interrupt inputs |
Jsquiroga | 14:0357b4ab5699 | 10 | |
Jsquiroga | 14:0357b4ab5699 | 11 | InterruptIn button(SW2); //interrupcion para el boton 2 |
Jsquiroga | 14:0357b4ab5699 | 12 | |
Jsquiroga | 14:0357b4ab5699 | 13 | |
Jsquiroga | 14:0357b4ab5699 | 14 | void BlinkLed (){ |
Jsquiroga | 14:0357b4ab5699 | 15 | blue=!blue; |
Jsquiroga | 14:0357b4ab5699 | 16 | } |
Jonathan Austin |
0:2757d7abb7d9 | 17 | |
Jsquiroga | 14:0357b4ab5699 | 18 | |
Jsquiroga | 14:0357b4ab5699 | 19 | int main() |
Jsquiroga | 14:0357b4ab5699 | 20 | { |
Jsquiroga | 14:0357b4ab5699 | 21 | __enable_irq(); //Enable Interrupts |
Jsquiroga | 14:0357b4ab5699 | 22 | |
Jsquiroga | 14:0357b4ab5699 | 23 | blue=0; //initialize output |
Jsquiroga | 14:0357b4ab5699 | 24 | |
Jsquiroga | 14:0357b4ab5699 | 25 | button.rise(&blinkLed); //The ISR activates with rising edge of button and activate the function. |
Jsquiroga | 14:0357b4ab5699 | 26 | |
Jsquiroga | 14:0357b4ab5699 | 27 | |
Jsquiroga | 14:0357b4ab5699 | 28 | while(1) |
Jsquiroga | 14:0357b4ab5699 | 29 | { |
Jsquiroga | 14:0357b4ab5699 | 30 | // Write your code |
Jsquiroga | 14:0357b4ab5699 | 31 | |
Jonathan Austin |
0:2757d7abb7d9 | 32 | } |
Jsquiroga | 14:0357b4ab5699 | 33 | } |