Selvakumar Samuel / Mbed 2 deprecated Board1Prg2

Program for Interrupt button

Dependencies:   mbed

main.cpp@0:bcf6fcde4f32, 2018-03-28 (annotated)

Committer:
selvakumararm
Date:
Wed Mar 28 07:33:30 2018 +0000
Revision:
0:bcf6fcde4f32
Testing 2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
selvakumararm 0:bcf6fcde4f32 1 #include "mbed.h"
selvakumararm 0:bcf6fcde4f32 2
selvakumararm 0:bcf6fcde4f32 3 DigitalOut myled(LED1);
selvakumararm 0:bcf6fcde4f32 4 //DigitalIn button1(USER_BUTTON);
selvakumararm 0:bcf6fcde4f32 5 InterruptIn button1(USER_BUTTON);
selvakumararm 0:bcf6fcde4f32 6
selvakumararm 0:bcf6fcde4f32 7 bool active = false;
selvakumararm 0:bcf6fcde4f32 8
selvakumararm 0:bcf6fcde4f32 9 void BUTTON_ISR(){
selvakumararm 0:bcf6fcde4f32 10 active = !active;
selvakumararm 0:bcf6fcde4f32 11 }
selvakumararm 0:bcf6fcde4f32 12
selvakumararm 0:bcf6fcde4f32 13 int main() {
selvakumararm 0:bcf6fcde4f32 14 // Set up
selvakumararm 0:bcf6fcde4f32 15 button1.mode(PullUp);
selvakumararm 0:bcf6fcde4f32 16 button1.fall(&BUTTON_ISR);
selvakumararm 0:bcf6fcde4f32 17
selvakumararm 0:bcf6fcde4f32 18 while(1) {
selvakumararm 0:bcf6fcde4f32 19 if(active == true){
selvakumararm 0:bcf6fcde4f32 20 myled = 1; // LED is ON
selvakumararm 0:bcf6fcde4f32 21 wait(0.2); // 200 ms
selvakumararm 0:bcf6fcde4f32 22 myled = 0; // LED is OFF
selvakumararm 0:bcf6fcde4f32 23 wait(0.2);
selvakumararm 0:bcf6fcde4f32 24 myled = 1; // LED is ON
selvakumararm 0:bcf6fcde4f32 25 wait(0.2); // 200 ms
selvakumararm 0:bcf6fcde4f32 26 myled = 0; // LED is OFF
selvakumararm 0:bcf6fcde4f32 27 wait(1.0); // 1 sec
selvakumararm 0:bcf6fcde4f32 28 }
selvakumararm 0:bcf6fcde4f32 29 else{
selvakumararm 0:bcf6fcde4f32 30 myled = 0;
selvakumararm 0:bcf6fcde4f32 31 }
selvakumararm 0:bcf6fcde4f32 32 __wfi(); //Wait for interruptions
selvakumararm 0:bcf6fcde4f32 33 }
selvakumararm 0:bcf6fcde4f32 34 }
selvakumararm 0:bcf6fcde4f32 35
selvakumararm 0:bcf6fcde4f32 36