/*  L97- Real Time Operating System - executie task-uri multiple
Fiecare task este realizat pentru rulare in bucla infinita si controleaza
activarea celor 4 LED-uri cu intermitente diferite */

#include "mbed.h"
#include "cmsis_os.h"

DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);

void T1_thread(void const *argument)     // control Led1
{
    while (1) {
        led1 = !led1;
        osDelay(100);
                }
 }
    
 void T2_thread(void const *argument)     // control Led2
 {
    while (1) {
        led2 = !led2;
        osDelay(1000);
              }
 }   
    
 void T3_thread(void const *argument)     // control Led3
 {
    while (1) {
        led3= !led3;
        osDelay(2000);
              }
 }   
      
 void T4_thread(void const *argument)  // control Led4
 {
    while (1) {
        led4 = !led4;
        osDelay(4000);
              }
 }   
    
osThreadDef(T1_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
osThreadDef(T2_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
osThreadDef(T3_thread, osPriorityHigh, DEFAULT_STACK_SIZE);
osThreadDef(T4_thread, osPriorityNormal, DEFAULT_STACK_SIZE);

int main() 
{
    osThreadCreate(osThread(T1_thread), NULL);
    osThreadCreate(osThread(T2_thread), NULL);
    osThreadCreate(osThread(T3_thread), NULL);
    osThreadCreate(osThread(T4_thread), NULL);
    while (1);                                
}