BLE响应返回到移动到移动的外围连接
创始人
2024-12-22 17:00:38
0

要实现BLE响应返回到移动到移动的外围连接,你可以按照以下步骤进行操作:

  1. 初始化BLE外围设备:

    const noble = require('noble');
    
    noble.on('stateChange', function(state) {
      if (state === 'poweredOn') {
        noble.startAdvertising('Peripheral Device');
      } else {
        noble.stopAdvertising();
      }
    });
    
    noble.on('advertisingStart', function() {
      console.log('Advertising started');
    });
    
  2. 监听外围设备连接事件:

    noble.on('accept', function(clientAddress) {
      console.log('Connected to central device with address: ' + clientAddress);
    });
    
    noble.on('disconnect', function(clientAddress) {
      console.log('Disconnected from central device with address: ' + clientAddress);
    });
    
  3. 处理外围设备接收到的数据:

    noble.on('read', function(uuid, data) {
      console.log('Received data from central device with UUID: ' + uuid);
      console.log('Data: ' + data.toString());
    });
    
    noble.on('write', function(uuid, data) {
      console.log('Data written to central device with UUID: ' + uuid);
      console.log('Data: ' + data.toString());
    });
    
  4. 发送响应到移动设备:

    const peripheralUUID = 'your-peripheral-uuid';
    const characteristicUUID = 'your-characteristic-uuid';
    const response = 'Hello from peripheral device';
    
    noble.on('advertisingStart', function() {
      const peripheral = noble._peripherals[peripheralUUID];
      if (peripheral) {
        const characteristic = peripheral.characteristics[characteristicUUID];
        if (characteristic) {
          characteristic.write(new Buffer(response), false, function(error) {
            if (error) {
              console.log('Failed to send response');
            } else {
              console.log('Response sent successfully');
            }
          });
        }
      }
    });
    

请注意,上述代码示例是使用Node.js和noble库来实现的。你可以根据你使用的编程语言和BLE库进行相应的调整。

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