Juan Angel García / Mbed 2 deprecated 9_7

Timeout e interrupciones

Dependencies:   mbed

main.cpp@0:00e36fb49aa5, 2017-03-09 (annotated)

Committer:
jangelgm
Date:
Thu Mar 09 21:45:17 2017 +0000
Revision:
0:00e36fb49aa5
Timeout e interrupciones

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jangelgm 0:00e36fb49aa5 1 /*Program Example 9.7: Demonstrates the use of Timeout and interrupts, to allow response
jangelgm 0:00e36fb49aa5 2 to an event-driven task while a time-driven task continues.
jangelgm 0:00e36fb49aa5 3 */
jangelgm 0:00e36fb49aa5 4 #include "mbed.h"
jangelgm 0:00e36fb49aa5 5 void blink_end (void);
jangelgm 0:00e36fb49aa5 6 void blink (void);
jangelgm 0:00e36fb49aa5 7 void ISR1 (void);
jangelgm 0:00e36fb49aa5 8 DigitalOut led1(LED1);
jangelgm 0:00e36fb49aa5 9 DigitalOut led2(LED2);
jangelgm 0:00e36fb49aa5 10 DigitalOut led3(LED3);
jangelgm 0:00e36fb49aa5 11 Timeout Response; //create a Timeout, and name it Response
jangelgm 0:00e36fb49aa5 12 Timeout Response_duration; //create a Timeout, and name it Response_duration
jangelgm 0:00e36fb49aa5 13 InterruptIn button(p5); //create an interrupt input, named button
jangelgm 0:00e36fb49aa5 14 void blink() //This function is called when Timeout is complete
jangelgm 0:00e36fb49aa5 15 {
jangelgm 0:00e36fb49aa5 16 led2=1;
jangelgm 0:00e36fb49aa5 17 // set the duration of the led blink, with another timeout, duration 1 s
jangelgm 0:00e36fb49aa5 18 Response_duration.attach(&blink_end, 1);
jangelgm 0:00e36fb49aa5 19 }
jangelgm 0:00e36fb49aa5 20 void blink_end() //A function called at the end of Timeout Response_duration
jangelgm 0:00e36fb49aa5 21 {
jangelgm 0:00e36fb49aa5 22 led2=0;
jangelgm 0:00e36fb49aa5 23 }
jangelgm 0:00e36fb49aa5 24 void ISR1()
jangelgm 0:00e36fb49aa5 25 {
jangelgm 0:00e36fb49aa5 26 led3=1; //shows button is pressed; diagnostic and not central to program
jangelgm 0:00e36fb49aa5 27 //attach blink1 function to Response Timeout, to occur after 2 seconds
jangelgm 0:00e36fb49aa5 28 Response.attach(&blink, 2.0);
jangelgm 0:00e36fb49aa5 29 }
jangelgm 0:00e36fb49aa5 30 int main()
jangelgm 0:00e36fb49aa5 31 {
jangelgm 0:00e36fb49aa5 32 button.rise(&ISR1); //attach the address of ISR1 function to the rising edge
jangelgm 0:00e36fb49aa5 33 while(1) {
jangelgm 0:00e36fb49aa5 34 led3=0; //clear LED3
jangelgm 0:00e36fb49aa5 35 led1=!led1;
jangelgm 0:00e36fb49aa5 36 wait(0.2);
jangelgm 0:00e36fb49aa5 37 }
jangelgm 0:00e36fb49aa5 38 }