Vscode(arduino框架) 开发ESP32 _05_BLE

ESP32开启低功耗蓝牙BLE

一、主编辑器代码

/*
    Video: https://www.youtube.com/watch?v=oCMOYS71NIU
    Based on Neil Kolban example for IDF: https://github.com/nkolban/esp32-snippets/blob/master/cpp_utils/tests/BLE%20Tests/SampleNotify.cpp
    Ported to Arduino ESP32 by Evandro Copercini

   Create a BLE server that, once we receive a connection, will send periodic notifications.
   创建一个BLE服务器，一旦我们收到连接，将会周期性发送通知

   T使用步骤：
   1. 创建一个 BLE Server
   2. 创建一个 BLE Service
   3. 创建一个 BLE Characteristic
   4. 创建一个 BLE Descriptor
   5. 开始服务
   6. 开始广播


*/
#include <Arduino.h>
#include <BLEDevice.h>
#include <BLEServer.h>
#include <BLEUtils.h>
#include <BLE2902.h>
#include "common.h"

uint8_t txValue = 0;
BLEServer *pServer = NULL;                   //BLEServer指针 pServer
BLECharacteristic *pTxCharacteristic = NULL; //BLECharacteristic指针 pTxCharacteristic
bool deviceConnected = false;                //本次连接状态
bool oldDeviceConnected = false;             //上次连接状态

// See the following for generating UUIDs: https://www.uuidgenerator.net/
#define SERVICE_UUID "12a59900-17cc-11ec-9621-0242ac130002" // UART servi