Thread5 (SWITCH_LED_ON_OFF)

<main.c>

#include <stdio.h>
#include <wiringPi.h>
#include <pthread.h>

#define LED1 23
#define LED2 24
#define SW1 4
#define SW2 17

int led1_flag = 0;
int led2_flag = 0;
int sw1_flag = 0;
int sw2_flag = 0;

pthread_t thread1, thread2;

void *led1(void *arg) 
{
    while (1) 
    {
        if (led1_flag == 1)
        {
            digitalWrite(LED1, HIGH);
            delay(300);
            digitalWrite(LED1, LOW);
            delay(300);
        }
    }
}

void *led2(void *arg) 
{
    while (1) 
    {
        if (led2_flag == 1)
        {
            digitalWrite(LED2, HIGH);
            delay(500);
            digitalWrite(LED2, LOW);
            delay(500);
        }
    }
}

void sw1(void)
{
    if (led1_flag == 0)
    {
        led1_flag = 1;
    }
    else
    {
        led1_flag = 0;
        digitalWrite(LED1, LOW);
    }
}

void sw2(void)
{
    if (led2_flag == 0)
    {
        led2_flag = 1;
    }
    else
    {
        led2_flag = 0;
        digitalWrite(LED2, LOW);
    }
}

int main() 
{
    if (wiringPiSetupGpio() == -1) return -1;

    pinMode(LED1, OUTPUT);
    pinMode(LED2, OUTPUT);
    pinMode(SW1, INPUT);
    pinMode(SW2, INPUT);
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);

    wiringPiISR(SW1, INT_EDGE_RISING, &sw1);
    wiringPiISR(SW2, INT_EDGE_RISING, &sw2);

    pthread_create(&thread1, NULL, led1, NULL);
    pthread_create(&thread2, NULL, led2, NULL);
    
    while (1) 
    {

    }

    return 0;
}