Interrupción simple

Dependencies:   mbed

Committer:
jangelgm
Date:
Thu Mar 09 21:40:13 2017 +0000
Revision:
0:b5b34c86553e
Interrupci?n simple.

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jangelgm 0:b5b34c86553e 1 /* Program Example 9.1: Simple interrupt example. External input causes interrupt,
jangelgm 0:b5b34c86553e 2 while led flashes
jangelgm 0:b5b34c86553e 3 */
jangelgm 0:b5b34c86553e 4 #include "mbed.h"
jangelgm 0:b5b34c86553e 5 InterruptIn button(p5); //define and name the interrupt input
jangelgm 0:b5b34c86553e 6 DigitalOut led(LED1);
jangelgm 0:b5b34c86553e 7 DigitalOut flash(LED4);
jangelgm 0:b5b34c86553e 8 void ISR1() //this is the response to interrupt, i.e. the ISR
jangelgm 0:b5b34c86553e 9 {
jangelgm 0:b5b34c86553e 10 led = !led;
jangelgm 0:b5b34c86553e 11 }
jangelgm 0:b5b34c86553e 12 int main()
jangelgm 0:b5b34c86553e 13 {
jangelgm 0:b5b34c86553e 14 button.rise(&ISR1); // attach the address of the ISR function to the
jangelgm 0:b5b34c86553e 15 // interrupt rising edge
jangelgm 0:b5b34c86553e 16 while(1) { // continuous loop, ready to be interrupted
jangelgm 0:b5b34c86553e 17 flash = !flash;
jangelgm 0:b5b34c86553e 18 wait(0.25);
jangelgm 0:b5b34c86553e 19 }
jangelgm 0:b5b34c86553e 20 }