main.cpp

00001 /*Program Example 9.6: Demonstrates Timeout, by triggering an event a fixed duration after a button press.                                         */ 
00002 
00003 #include "mbed.h"
00004 Timeout Response;            //create a Timeout, and name it "Response"
00005 DigitalIn button (p5);
00006 DigitalOut led1(LED1);
00007 DigitalOut led2(LED2);
00008 DigitalOut led3(LED3);
00009 
00010 void blink() {               //this function is called at the end of the Timeout
00011   led2 = 1;
00012   wait(0.5);
00013   led2=0;
00014 }
00015 
00016 int main() {
00017   while(1) {
00018     if(button==1){
00019       Response.attach(&blink,2.0); // attach blink function to Response Timeout, 
00020                                            //to occur after 2 seconds
00021       led3=1;                      //shows button has been pressed
00022     }  
00023     else {
00024       led3=0;
00025     }
00026     led1=!led1;     
00027     wait(0.2);
00028   }
00029 }
00030