#include "BluetoothSerial.h"

BluetoothSerial SerialBT;

void setup() {
  Serial.begin(115200);
  SerialBT.begin("ESP32-BT-Slave"); // 블루투스 장치 이름 설정
  Serial.println("Bluetooth Started! Pair with ESP32-BT-Slave");
}

void loop() {
  if (Serial.available()) {
    char incoming = Serial.read();
    SerialBT.write(incoming); // 시리얼 데이터를 블루투스로 전송
  }
  if (SerialBT.available()) {
    char incoming = SerialBT.read();
    Serial.write(incoming); // 블루투스 데이터를 시리얼로 출력
  }
}

#include <BLEDevice.h>
#include <BLEUtils.h>
#include <BLEServer.h>

BLEServer* pServer;
BLECharacteristic* pCharacteristic;

void setup() {
  Serial.begin(115200);
  BLEDevice::init("ESP32-RGB-Control");
  pServer = BLEDevice::createServer();
  BLEService *pService = pServer->createService(BLEUUID((uint16_t)0x1812));
  pCharacteristic = pService->createCharacteristic(
                     BLEUUID((uint16_t)0x2A56),
                     BLECharacteristic::PROPERTY_WRITE | BLECharacteristic::PROPERTY_NOTIFY
                   );
  pService->start();
  BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
  pAdvertising->addServiceUUID(pService->getUUID());
  pAdvertising->start();
}

void loop() {
  if (pCharacteristic->getValue().length() > 0) {
    std::string rgbValue = pCharacteristic->getValue();
    Serial.println(rgbValue.c_str()); // 수신된 RGB 값 출력
  }
}