main.cpp

00001 #include "mbed.h"
00002 
00003 DigitalOut led1(LED1);
00004 DigitalOut led2(LED2);
00005 
00006 Thread thread1;
00007 Thread thread2;
00008 
00009 bool is_thread1_done = false;
00010 bool is_thread2_done = true;
00011 
00012 void blink(bool * this_is_done, DigitalOut * led) {
00013     is_thread1_done = false;
00014     is_thread2_done = false;
00015     *led = 1;
00016     wait(1);
00017     *led = 0;
00018     *this_is_done = true;
00019 }
00020                    
00021 void led1_thread(DigitalOut * led) {
00022     while (true) {
00023         if(is_thread2_done){
00024             blink(&is_thread1_done, led);
00025         }
00026     }
00027 }
00028 
00029 void led2_thread(DigitalOut * led) {
00030     while (true) {
00031         if(is_thread1_done){
00032             blink(&is_thread2_done, led);
00033         }
00034     }
00035 }
00036 
00037 int main() {
00038     thread1.start(callback(led1_thread, &led1));
00039     thread2.start(callback(led2_thread, &led2));
00040     thread1.join();
00041     thread2.join();
00042 }