main.cpp

00001 #include "mbed.h"
00002 
00003 DigitalOut led1(LED1);
00004 DigitalOut led2(LED2);
00005 InterruptIn button(USER_BUTTON);
00006 
00007 //____________________________
00008 
00009 Thread thread1;
00010 Thread thread2;
00011 
00012 //____________________________
00013 
00014 bool is_debug_enabled = false;
00015 bool is_t2_done = true;
00016 bool is_t1_done = false;
00017 
00018 void toggle_debug_mode() {
00019     is_debug_enabled = !is_debug_enabled;
00020 }
00021  
00022 void led1_thread(DigitalOut *led) {
00023     if(is_debug_enabled)
00024         printf("T1 STARTED\n");
00025     while (true) {
00026         if(is_t2_done){
00027             if(is_debug_enabled)
00028                 printf("T1 EXECUTING\n");
00029             is_t1_done = false;
00030             is_t2_done = false;
00031             *led = !*led;
00032             wait(1);
00033             *led = !*led;
00034             is_t1_done = true;
00035             if(is_debug_enabled)
00036                 printf("T1 DONE\n\n");
00037         }  
00038     }
00039 }
00040  
00041 void led2_thread(DigitalOut *led) {
00042     if(is_debug_enabled)
00043         printf("T2 STARTED\n");
00044     while (true) {
00045         if(is_t1_done){
00046             if(is_debug_enabled)
00047                 printf("T2 EXECUTING\n");
00048             is_t1_done = false;
00049             is_t2_done = false;
00050             *led = !*led;
00051             wait(1);
00052             *led = !*led;
00053             is_t2_done = true;
00054             if(is_debug_enabled)
00055                 printf("T2 DONE\n\n");
00056         }  
00057     }
00058 }
00059  
00060 int main() {
00061     button.rise(&toggle_debug_mode);
00062     thread1.start(callback(led1_thread, &led1));
00063     thread2.start(callback(led2_thread, &led2));
00064     thread1.join();
00065     thread2.join();
00066 }