mbed Workshops / Mbed OS Workshop-1-Example-5

A digital input monitoring implementation with an interrupt.

main.cpp@0:501aab314b48, 2016-09-26 (annotated)

Committer:
sarahmarshy
Date:
Mon Sep 26 16:26:06 2016 +0000
Revision:
0:501aab314b48
Initial commit. Interrupt button.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sarahmarshy 0:501aab314b48 1 #include "mbed.h"
sarahmarshy 0:501aab314b48 2
sarahmarshy 0:501aab314b48 3 InterruptIn button(SW1);
sarahmarshy 0:501aab314b48 4 DigitalOut led(LED1);
sarahmarshy 0:501aab314b48 5 DigitalOut heartbeat(LED2);
sarahmarshy 0:501aab314b48 6
sarahmarshy 0:501aab314b48 7 void toggle() {
sarahmarshy 0:501aab314b48 8 led = !led;
sarahmarshy 0:501aab314b48 9 }
sarahmarshy 0:501aab314b48 10
sarahmarshy 0:501aab314b48 11 int main() {
sarahmarshy 0:501aab314b48 12 button.rise(&toggle); // call toggle function on the rising edge
sarahmarshy 0:501aab314b48 13 while(1) { // wait around, interrupts will interrupt this!
sarahmarshy 0:501aab314b48 14 heartbeat= !heartbeat;
sarahmarshy 0:501aab314b48 15 wait(0.25);
sarahmarshy 0:501aab314b48 16 }
sarahmarshy 0:501aab314b48 17 }