sender

struct ControllerData {
    int joystick1_x; // for controller1
    int joystick1_y; // for controller1
    int joystick2_x; // for controller2
    int joystick2_y; // for controller2
    bool switch1; // example buttons but can be what ever data.
    bool switch2;
    bool switch3;
    bool switch4;
    bool switch5;
};

void setup() {
    // Initialize Serial Monitor
    Serial.begin(115200);

    // Set device as a Wi-Fi Station
    WiFi.mode(WIFI_STA);

    // Init ESP-NOW
    if (esp_now_init() != ESP_OK) {
        Serial.println("Error initializing ESP-NOW");
        return;
    }

    // Register peer
    esp_now_peer_info_t peerInfo;
    memcpy(peerInfo.peer_addr, receiverMACAddress, 6);
    peerInfo.channel = 0;
    peerInfo.encrypt = false;

    // Add peer
    if (esp_now_add_peer(&peerInfo) != ESP_OK) {
        Serial.println("Failed to add peer");
        return;
    }
}

void loop() {
    // Update Data with joystikck and switch states
    controllerData.joystick1_x = analogRead(JOYSTICK1_X_PIN);
    controllerData.joystick1_y = analogRead(JOYSTICK1_Y_PIN);
    controllerData.joystick2_x = analogRead(JOYSTICK2_X_PIN);
    controllerData.joystick2_y = analogRead(JOYSTICK2_Y_PIN);
    controllerData.switch1     = digitalRead(SWITCH1_PIN);
    controllerData.switch2     = digitalRead(SWITCH2_PIN);
    controllerData.switch3     = digitalRead(SWITCH3_PIN);
    controllerData.switch4     = digitalRead(SWITCH4_PIN);
    controllerData.switch5     = digitalRead(SWITCH5_PIN);

    // Send data
    esp_err_t result = esp_now_send(receiverMACAddress, (uint8_t *) &controllerData, sizeof(controllerData));

    if (result == ESP_OK) {
        Serial.println("Sent with success");
    } else {
        Serial.println("Error sending the data");
    }

    delay(1000); // Send data every second
}