FridgeSensor/main/fridgeDoor.c

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include <stdbool.h>
#include "sdkconfig.h"
#include "fridgeDoor.h"
#include "config.h"
#include "sound.h"
#include "mqtt.h"

#ifdef DOOR_SENSOR_ENABLED

static void read_photo_sensor_task(void *pvParameters) {
    static bool prevState = false;
    while (1) {
        bool fridgeDoorClosed = gpio_get_level(PHOTO_SENSOR_PIN) == 0 ? false : true;
        if (fridgeDoorClosed != prevState) {
            prevState = fridgeDoorClosed;
            ESP_EARLY_LOGI("PHOTO", "Triggered! State: %s", fridgeDoorClosed == true ? "CLOSED" : "OPEN");
            if( fridgeDoorClosed == false ) {
                gpio_set_level(BLINK_GPIO, 1);
            }
            else {
                gpio_set_level(BLINK_GPIO, 0);
            }

            char mqtt_s[50];
            char value_s[10];

            sprintf(mqtt_s,"kitchen/fridge/doorState");
            sprintf(value_s,"%s",fridgeDoorClosed ? "closed" : "open");
            sendMQTTMessage(mqtt_s, value_s);
        }

        vTaskDelay(pdMS_TO_TICKS(50)); // Delay 50ms (20 times per second)

    }
}

void setup_photo_sensor() {
    gpio_config_t io_conf = {
        .intr_type = GPIO_INTR_ANYEDGE,  // Trigger on both rising & falling edges
        .pin_bit_mask = (1ULL << PHOTO_SENSOR_PIN),
        .mode = GPIO_MODE_INPUT,
        .pull_up_en = GPIO_PULLUP_DISABLE,  
        .pull_down_en = GPIO_PULLDOWN_DISABLE
    };
    gpio_config(&io_conf);

    xTaskCreate(read_photo_sensor_task, "read_sensor_task", 2048, NULL, 10, NULL);

    ESP_LOGI("PHOTO", "Photomicrosensor configured on GPIO %d", PHOTO_SENSOR_PIN);
}

#else
void setup_photo_sensor() {};
#endif