/*

  This example configures LinkIt 7697 to act as a simple GATT server with 1 characteristic.

  To use it, open AppInventor project:

    *

  Build & install it on Android id

  created Mar 2017

*/

#include <LBLE.h>

#include <LBLEPeriphral.h>

// Define a simple GATT service with only 1 characteristic

LBLEService ledService("19B10010-E8F2-537E-4F6C-D104768A1214");

LBLECharacteristicInt switchCharacteristic("19B10011-E8F2-537E-4F6C-D104768A1214", LBLE_READ | LBLE_WRITE);

void setup() {

  // Initialize LED pin

  pinMode(LED_BUILTIN, OUTPUT);

  digitalWrite(LED_BUILTIN, LOW);

  //Initialize serial and wait for port to open:

  Serial.begin(9600);

  // to check if USR button is pressed

  pinMode(6, INPUT);

  // Initialize BLE subsystem

  LBLE.begin();

  while (!LBLE.ready()) {

    delay(100);

  }

  Serial.println("BLE ready");

  Serial.print("Device Address = [");

  Serial.print(LBLE.getDeviceAddress());

  Serial.println("]");

  // configure our advertisement data.

  // In this case, we simply create an advertisement that represents

  // an connectable device with a device name

  LBLEAdvertisementData advertisement;

  advertisement.configAsConnectableDevice("BLE LED");

  // Configure our device's Generic Access Profile's device name

  // Usually this is the same as the name in the advertisement data.

  LBLEPeripheral.setName("BLE LED");

  // Add characteristics into ledService

  ledService.addAttribute(switchCharacteristic);

  // Add service to GATT server (peripheral)

  LBLEPeripheral.addService(ledService);

  // start the GATT server - it is now

  // available to connect

  LBLEPeripheral.begin();

  // start advertisment

  LBLEPeripheral.advertise(advertisement);

}

void loop() {

  delay(1000);

  Serial.print("conected=");

  Serial.println(LBLEPeripheral.connected());

  if (digitalRead(6))  //force to disconnect if USR button is pressed

  {

    Serial.println("disconnect all!");

    LBLEPeripheral.disconnectAll();

  }

  if (switchCharacteristic.isWritten()) {

    const char value = switchCharacteristic.getValue();

    switch (value) {

      case 1:

        digitalWrite(LED_BUILTIN, HIGH);

        break;

      case 0:

        digitalWrite(LED_BUILTIN, LOW);

        break;

      default:

        Serial.println("Unknown value written");

        break;

    }

  }

}