/************************************************************************************************* 
                                      PROGRAMMINFO
************************************************************************************************** 
Funktion: ESP32 Bluetooth GPIO13 mit APP Makers Monday LED Contoller
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Version: 26.02.2022
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Board: ESP32vn IoT UNO V1.0.4

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C++ Arduino IDE V1.8.13
**************************************************************************************************
Einstellungen:
https://dl.espressif.com/dl/package_esp32_index.json
http://dan.drown.org/stm32duino/package_STM32duino_index.json
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_dev_index.json
*************************************************************************************************
 
 **************************************************************************************************/
#include "BluetoothSerial.h"

#if !defined(CONFIG_BT_ENABLED) || !defined(CONFIG_BLUEDROID_ENABLED)
#error Bluetooth is not enabled! Please run `make menuconfig` to and enable it
#endif

BluetoothSerial SerialBT;
int led = 13;    // LED Ausgang 13 
int state;       // LED Status
//--------------------------------------------------------------



void setup() {

  SerialBT.begin("ESP32GPIO13"); //Bluetooth device name
  Serial.println("ESP32GPIO13 wurde gestartet!");

    pinMode(led, OUTPUT);
    digitalWrite(led, LOW); 
    Serial.begin(9600);
    
}

void loop() {
    //Wert auslesen und speichern
    if(SerialBT.available() > 0){     
     state = SerialBT.read();   

    }   
    // Wenn der Status 0 ist -> LED aus
    if (state == '0') {
        digitalWrite(led, LOW); 

    }
    
    // Wenn der Status 1 ist -> LED ein
    else if (state == '1') {
        digitalWrite(led, HIGH); 

    }

    //LED Status
    Serial.println(state);
}