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Dependencies:   mbed

mbed_sleep_blinky.cpp@0:ab9939da6645, 2016-11-17 (annotated)

Committer:
pateshian
Date:
Thu Nov 17 15:52:54 2016 +0000
Revision:
0:ab9939da6645
Child:
1:e508448feb1c
Test_Sleepy_blinky_WFI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pateshian 0:ab9939da6645 1 #include "mbed.h"
pateshian 0:ab9939da6645 2 #define IRQ4 (36)
pateshian 0:ab9939da6645 3 gpio_irq_t irqHandler;
pateshian 0:ab9939da6645 4
pateshian 0:ab9939da6645 5 DigitalOut led1(LED1);
pateshian 0:ab9939da6645 6 int gFlag = 0;
pateshian 0:ab9939da6645 7
pateshian 0:ab9939da6645 8 void interrupt_irq4_user (uint32_t id, gpio_irq_event event) {
pateshian 0:ab9939da6645 9 if (!gFlag){
pateshian 0:ab9939da6645 10 gFlag = 1;
pateshian 0:ab9939da6645 11 }
pateshian 0:ab9939da6645 12 }
pateshian 0:ab9939da6645 13
pateshian 0:ab9939da6645 14 // main() runs in its own thread in the OS
pateshian 0:ab9939da6645 15 // (note the calls to Thread::wait below for delays)
pateshian 0:ab9939da6645 16 int main() {
pateshian 0:ab9939da6645 17
pateshian 0:ab9939da6645 18 gpio_irq_init (&irqHandler, USER_BUTTON0, interrupt_irq4_user, IRQ4);
pateshian 0:ab9939da6645 19
pateshian 0:ab9939da6645 20 while (true) {
pateshian 0:ab9939da6645 21 if ( gFlag == 1 ) {
pateshian 0:ab9939da6645 22 gFlag = 0;
pateshian 0:ab9939da6645 23 led1 = led1;
pateshian 0:ab9939da6645 24 __WFI();
pateshian 0:ab9939da6645 25 led1 = !led1;
pateshian 0:ab9939da6645 26 }
pateshian 0:ab9939da6645 27 //led1 = !led1;
pateshian 0:ab9939da6645 28 //Thread::wait(500);
pateshian 0:ab9939da6645 29 }
pateshian 0:ab9939da6645 30 }