ESP32-Chicken-Door

#include <ArduinoWebsockets.h>
#include <WiFi.h>

#define CLOSE_STATE     0
#define CLOSING_STATE   1
#define OPENNING_STATE  2
#define OPEN_STATE      3

#define TOP_SWITCH      12
#define BOTTOM_SWITCH   13
#define RELAY_1         14
#define RELAY_2         15
#define LED_BUILTIN     4

const char *ssid =      "";
const char *password =  "";
volatile int DOOR_STATE = CLOSE_STATE;
volatile bool NOTIFIED = true;

using namespace websockets;
WebsocketsServer server;
WebsocketsClient client;

void    setup()
{
    Serial.begin(115200);
    pinMode(RELAY_1, OUTPUT);
    pinMode(RELAY_2, OUTPUT);
    pinMode(LED_BUILTIN, OUTPUT);

    pinMode(TOP_SWITCH, INPUT);
    pinMode(BOTTOM_SWITCH, INPUT);
    attachInterrupt(TOP_SWITCH, openned_event, RISING);
    attachInterrupt(BOTTOM_SWITCH, closed_event, RISING);

    digitalWrite(RELAY_1, HIGH);
    digitalWrite(RELAY_2, HIGH);
    // Start LED for debugging
    digitalWrite(LED_BUILTIN, HIGH);

    // Connect to wifi
    WiFi.begin(ssid, password);

    // Wait some time to connect to wifi
    for (int i = 0; i < 15 && WiFi.status() != WL_CONNECTED; i++)
    {
        Serial.print(".");
        delay(1000);
    }

    Serial.println("");
    Serial.println("WiFi connected");
    Serial.println("IP address: ");
    Serial.println(WiFi.localIP());

    server.listen(80);
    Serial.print("Is server live? ");
    Serial.println(server.available());

    // All done so LED is off now
    digitalWrite(LED_BUILTIN, LOW);
}

void    loop()
{
    if (!client.available())
        client = server.accept();
    else if (DOOR_STATE == OPEN_STATE || DOOR_STATE == CLOSE_STATE)
    {
        if (!NOTIFIED) notify_client();
        WebsocketsMessage msg = client.readBlocking();
        Serial.print("Got Message: ");
        Serial.println(msg.data());

        if (msg.data() == "OPEN_DOOR")
            client.send(open_door());
        else if (msg.data() == "CLOSE_DOOR")
            client.send(close_door());
        else if (msg.data())
            client.send("NOT_UNDERSTOOD");
    }
    delay(1000);
}

void    notify_client()
{
    if (DOOR_STATE == OPEN_STATE)
        client.send("DOOR_OPENED");
    else if (DOOR_STATE == CLOSE_STATE)
        client.send("DOOR_CLOSED");
    NOTIFIED = true;
}

char    *close_door()
{
    if (DOOR_STATE != OPEN_STATE)
        return "STATE_ERROR";
    DOOR_STATE = CLOSING_STATE;
    digitalWrite(RELAY_1, LOW);
    digitalWrite(RELAY_2, HIGH);
    return "CLOSING_DOOR";
}

char    *open_door()
{
    if (DOOR_STATE != CLOSE_STATE)
        return "STATE_ERROR";
    DOOR_STATE = OPENNING_STATE;
    digitalWrite(RELAY_2, LOW);
    digitalWrite(RELAY_1, HIGH);
    return "OPENNING_DOOR";
}

void    openned_event()
{
    if (DOOR_STATE != OPENNING_STATE)
        return
    digitalWrite(RELAY_2, HIGH);
    digitalWrite(RELAY_1, HIGH);
    NOTIFIED = false;
    DOOR_STATE = OPEN_STATE;
    Serial.println("DOOR_OPENNED");
}

void    closed_event()
{
    if (DOOR_STATE != CLOSING_STATE)
        return
    digitalWrite(RELAY_1, HIGH);
    digitalWrite(RELAY_2, HIGH);
    NOTIFIED = false;
    DOOR_STATE = CLOSE_STATE;
    Serial.println("DOOR_CLOSE");
}