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Arya Jemo | Blog

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Emulation of threads on Arduino

Create a multiboot toolbox kit

They are’nt real threads, that why I’m saying emulation of threads. I’m using the TaskScheduler library :

Github : https://github.com/arkhipenko/TaskScheduler Arduino : http://playground.arduino.cc/Code/TaskScheduler Documentation :http://www.smart4smart.com/TaskScheduler.html The library allows you to :

Launch a thread with a frequency time

#include <TaskScheduler.h>

void t2Callback();

Task t2(3000, TASK_FOREVER, &t2Callback);

Scheduler runner;

void t2Callback() {
    Serial.print("La tâche t2 se lance toutes les 3 secondes.");
}

void setup () {
  runner.init();
  runner.addTask(t2);
  t2.enable();
}

void loop () {
/* Ici on peux mettre tout autre code qui va boucler à l'infini*/
  runner.execute();
}

Launch a thread with a frequency time during a certain time

#define _TASK_SLEEP_ON_IDLE_RUN

#include <TaskScheduler.h>

int ledR=2;


Scheduler ts;

void WrapperCallback();

bool BlinkEnable();
void BlinkDisable();
void LEDON();
void LEDOFF();

/* 1 jour = 86 400 000 microsecondes*/
Task tWrapper(86400000L,TASK_FOREVER,&WrapperCallback,&ts,true); 

Task tBlink(5000,TASK_ONCE,NULL,&ts,false,&BlinkEnable,&BlinkDisable); 

/* Pendant 5 secondes*/
Task tLED(0,TASK_FOREVER,NULL,&ts,false,NULL,&LEDOFF);

/*--------------------------------*/

void WrapperCallback(){
  tBlink.restartDelayed();
}


/*----------------------------------*/
bool BlinkEnable(){
  tLED.setCallback(&LEDON);
  tLED.enable();
  return true;
}

void BlinkDisable(){
  tLED.disable();
}

void LEDON(){
            digitalWrite(ledR,HIGH);
}

void LEDOFF(){
  
      digitalWrite(ledR,LOW);
      
}

/*----------------------------------*/

void setup() {

pinMode(ledR,OUTPUT);

}

void loop() {

ts.execute();

}