Michael Baker / Sleep_HelloWorld

Program to test sleep modes

Dependencies:   mbed-dev

main.cpp@0:ac608f0bb1f5, 2017-01-31 (annotated)

Committer:
michaelVisimid
Date:
Tue Jan 31 21:35:49 2017 +0000
Revision:
0:ac608f0bb1f5
Program to test sleep modes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
michaelVisimid 0:ac608f0bb1f5 1 #include "mbed.h"
michaelVisimid 0:ac608f0bb1f5 2
michaelVisimid 0:ac608f0bb1f5 3 InterruptIn event(USER_BUTTON);
michaelVisimid 0:ac608f0bb1f5 4 DigitalOut myled(LED1);
michaelVisimid 0:ac608f0bb1f5 5
michaelVisimid 0:ac608f0bb1f5 6 int go_to_sleep = 0;
michaelVisimid 0:ac608f0bb1f5 7
michaelVisimid 0:ac608f0bb1f5 8 void pressed()
michaelVisimid 0:ac608f0bb1f5 9 {
michaelVisimid 0:ac608f0bb1f5 10 printf("Button pressed\n");
michaelVisimid 0:ac608f0bb1f5 11 go_to_sleep = go_to_sleep + 1;
michaelVisimid 0:ac608f0bb1f5 12 if (go_to_sleep > 3) go_to_sleep = 0;
michaelVisimid 0:ac608f0bb1f5 13
michaelVisimid 0:ac608f0bb1f5 14 }
michaelVisimid 0:ac608f0bb1f5 15
michaelVisimid 0:ac608f0bb1f5 16 int main()
michaelVisimid 0:ac608f0bb1f5 17 {
michaelVisimid 0:ac608f0bb1f5 18 int i = 0;
michaelVisimid 0:ac608f0bb1f5 19
michaelVisimid 0:ac608f0bb1f5 20 printf("\nPress Button to enter/exit sleep & deepsleep\n");
michaelVisimid 0:ac608f0bb1f5 21
michaelVisimid 0:ac608f0bb1f5 22 event.fall(&pressed);
michaelVisimid 0:ac608f0bb1f5 23
michaelVisimid 0:ac608f0bb1f5 24 while (1) {
michaelVisimid 0:ac608f0bb1f5 25
michaelVisimid 0:ac608f0bb1f5 26 if ((go_to_sleep == 0) || (go_to_sleep == 2)) {
michaelVisimid 0:ac608f0bb1f5 27 printf("%d: Running\n", i);
michaelVisimid 0:ac608f0bb1f5 28 myled = !myled;
michaelVisimid 0:ac608f0bb1f5 29 wait(1.0);
michaelVisimid 0:ac608f0bb1f5 30 }
michaelVisimid 0:ac608f0bb1f5 31
michaelVisimid 0:ac608f0bb1f5 32 if (go_to_sleep == 1) {
michaelVisimid 0:ac608f0bb1f5 33 myled = 0;
michaelVisimid 0:ac608f0bb1f5 34 printf("%d: Entering sleep (press user button to resume)\n", i);
michaelVisimid 0:ac608f0bb1f5 35 sleep();
michaelVisimid 0:ac608f0bb1f5 36 }
michaelVisimid 0:ac608f0bb1f5 37
michaelVisimid 0:ac608f0bb1f5 38 if (go_to_sleep == 3) {
michaelVisimid 0:ac608f0bb1f5 39 myled = 0;
michaelVisimid 0:ac608f0bb1f5 40 printf("%d: Entering deepsleep (press user button to resume)\n", i);
michaelVisimid 0:ac608f0bb1f5 41 deepsleep();
michaelVisimid 0:ac608f0bb1f5 42 }
michaelVisimid 0:ac608f0bb1f5 43
michaelVisimid 0:ac608f0bb1f5 44 i++;
michaelVisimid 0:ac608f0bb1f5 45 }
michaelVisimid 0:ac608f0bb1f5 46 }