Vishal Kotcherlakota / Mbed 2 deprecated event_source

A simple program that triggers a GPIO rise/fall event when data arrives on the virtual COM port via USB.

Dependencies:   mbed

main.cpp@0:a46083c93e2b, 2015-06-17 (annotated)

Committer:
dishbreak
Date:
Wed Jun 17 22:47:01 2015 +0000
Revision:
0:a46083c93e2b
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dishbreak 0:a46083c93e2b 1 #include "mbed.h"
dishbreak 0:a46083c93e2b 2
dishbreak 0:a46083c93e2b 3 InterruptIn button(p28);
dishbreak 0:a46083c93e2b 4 DigitalOut led(LED1);
dishbreak 0:a46083c93e2b 5 DigitalOut flash(LED4);
dishbreak 0:a46083c93e2b 6 DigitalOut sigPin(p18);
dishbreak 0:a46083c93e2b 7 Serial pc(USBTX, USBRX);
dishbreak 0:a46083c93e2b 8
dishbreak 0:a46083c93e2b 9 void led_on() {
dishbreak 0:a46083c93e2b 10 led = !led;
dishbreak 0:a46083c93e2b 11 }
dishbreak 0:a46083c93e2b 12
dishbreak 0:a46083c93e2b 13 void led_off() {
dishbreak 0:a46083c93e2b 14 led = 0;
dishbreak 0:a46083c93e2b 15 }
dishbreak 0:a46083c93e2b 16
dishbreak 0:a46083c93e2b 17 void on_pc_rcv() {
dishbreak 0:a46083c93e2b 18 pc.getc();
dishbreak 0:a46083c93e2b 19 led = 1;
dishbreak 0:a46083c93e2b 20 sigPin = 1;
dishbreak 0:a46083c93e2b 21 wait(0.25);
dishbreak 0:a46083c93e2b 22 sigPin = 0;
dishbreak 0:a46083c93e2b 23 led = 0;
dishbreak 0:a46083c93e2b 24 }
dishbreak 0:a46083c93e2b 25
dishbreak 0:a46083c93e2b 26 int main() {
dishbreak 0:a46083c93e2b 27 pc.attach(&on_pc_rcv);
dishbreak 0:a46083c93e2b 28 button.rise(&led_on);
dishbreak 0:a46083c93e2b 29 button.fall(&led_off);
dishbreak 0:a46083c93e2b 30 while(1) { // wait around, interrupts will interrupt this!
dishbreak 0:a46083c93e2b 31 flash = !flash;
dishbreak 0:a46083c93e2b 32 wait(0.25);
dishbreak 0:a46083c93e2b 33 }
dishbreak 0:a46083c93e2b 34 }