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main.cpp
00001 #include "mbed.h" 00002 00003 DigitalOut led1(LED1); 00004 InterruptIn button(USER_BUTTON); 00005 EventQueue queue(32 * EVENTS_EVENT_SIZE); 00006 Thread t; 00007 00008 time_t last_click; 00009 00010 void fall_handler(void) { 00011 printf("Button pressed\r\n"); 00012 00013 time_t current = time(NULL); 00014 00015 if (current - last_click <= 2) { 00016 // Turn on the led, wait one sec, and then turn it off 00017 led1 = !led1; 00018 wait(0.5); 00019 led1 = !led1; 00020 } 00021 00022 // Update the last_click time 00023 last_click = current; 00024 } 00025 00026 int main() { 00027 // We start by setting a last click bogus time 00028 last_click = time(NULL); 00029 00030 // Start the event queue 00031 t.start(callback(&queue, &EventQueue::dispatch_forever)); 00032 button.fall(queue.event(fall_handler)); 00033 00034 printf("Setup complete\n"); 00035 }
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