#include <pt.h>

static struct pt pt1, pt2;
int rlpin = 6;
int ledpin = 7;
int btpin = 9;
int pinstate[10] = {0, 0, 0 , 0, 0, 0, 0, 0, 0, 0};
int pinpstate[10] = {0, 0, 0 , 0, 0, 0, 0, 0, 0, 0};
unsigned long chrono[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
int count = 0;
void setup() // exucute au lancement du programme
{
  pinMode(ledpin, OUTPUT); // Init
  pinMode(rlpin, OUTPUT);
  pinMode(btpin, INPUT);
  PT_INIT(&pt1);
  PT_INIT(&pt2);
  //digitalWrite(ledpin, pinstate[ledpin]);

}

int timer_expired(int n, int timeout){
	return (millis() - chrono[n]) >= ( timeout * 1000);
}

void timer_set(int n){
	chrono[n] = millis(); // millis() renvoit l'uptime en ms.
}
int etat(int pin){
	pinstate[pin] = digitalRead(pin);
	if (pinstate[pin] == 1 && pinpstate[pin] == 0) pinpstate[pin] = pinstate[pin]; return 1;
	if (pinstate[pin] == 0 && pinpstate[pin] == 1) pinpstate[pin] = pinstate[pin]; return 2;
	return 0;
}

void toggle(int pin)
{
	pinstate[pin] ^= 1;
	digitalWrite(pin, pinstate[pin]);
}

PT_THREAD(onoff(struct pt *pt, int pin, int delay1, int delay2))
{
	PT_BEGIN(pt);
	while(1)
	{
		PT_WAIT_UNTIL(pt, pinstate[pin] == 0 && timer_expired(pin, delay2)); // pin utilisé comme ident pr chrono[]
		toggle(pin);
		timer_set(1);
		PT_WAIT_UNTIL(pt, pinstate[pin] == 1 && timer_expired(pin, delay1));
		toggle(pin);
		timer_set(1);
	}
    PT_END(pt);
}

void loop() // boucle while (1)
{
	onoff(&pt1, rlpin, 3, 5);
}