60 строки
Без EOL
1,7 КиБ
C++
60 строки
Без EOL
1,7 КиБ
C++
#include <BLEDevice.h>
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#include <BLEServer.h>
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#include <BLEUtils.h>
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#include <BLE2902.h>
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#include "config.h"
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// https://www.instructables.com/ESP32-Bluetooth-Low-Energy/
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BLEServer *server;
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bool deviceConnected = false;
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#define SERVICE_UUID "ab0828b1-198e-4351-b779-901fa0e0371e"
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#define CHARACTERISTIC_UUID_RX "4ac8a682-9736-4e5d-932b-e9b31405049c"
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#define CHARACTERISTIC_UUID_TX "0972EF8C-7613-4075-AD52-756F33D4DA91"
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class CharacteristicCallbacks : public BLECharacteristicCallbacks {
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void onWrite(BLECharacteristic *characteristic) {
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std::string rxValue = characteristic->getValue();
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if (rxValue.length() <= 0) {
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return;
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}
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if (rxValue.find("wifi") != -1 || rxValue.find("w") != -1) {
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triggerWifi();
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} else {
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action();
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}
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}
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};
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class ServerCallbacks : public BLEServerCallbacks {
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void onConnect(BLEServer *pServer) {
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deviceConnected = true;
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BLEDevice::startAdvertising();
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};
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void onDisconnect(BLEServer *pServer) {
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deviceConnected = false;
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BLEDevice::startAdvertising();
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}
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};
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void setup_BLE() {
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BLEDevice::init(BLE_NAME);
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server = BLEDevice::createServer();
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server->setCallbacks(new ServerCallbacks());
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BLEService *service = server->createService(SERVICE_UUID);
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BLECharacteristic *characteristicTX = service->createCharacteristic(
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CHARACTERISTIC_UUID_TX,
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BLECharacteristic::PROPERTY_NOTIFY);
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characteristicTX->addDescriptor(new BLE2902());
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BLECharacteristic *characteristic = service->createCharacteristic(
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CHARACTERISTIC_UUID_RX,
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BLECharacteristic::PROPERTY_WRITE);
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characteristic->setCallbacks(new CharacteristicCallbacks());
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service->start();
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BLEDevice::startAdvertising();
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} |