Android 向HC-04蓝牙模块发送指令,更改波特率为460800
时间: 2024-03-02 16:53:11 浏览: 24
好的,您可以使用以下代码将Android设备与HC-04蓝牙模块连接,并向其发送指令以更改波特率为460800:
```java
// 设置蓝牙串口的UUID
private static final UUID SERIAL_PORT_SERVICE_CLASS_UUID =
UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
// 蓝牙适配器
BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
// 设备MAC地址
String deviceMacAddress = "XX:XX:XX:XX:XX:XX";
// 获取远程设备
BluetoothDevice device = bluetoothAdapter.getRemoteDevice(deviceMacAddress);
// 获取蓝牙串口服务
BluetoothSocket socket = device.createInsecureRfcommSocketToServiceRecord(SERIAL_PORT_SERVICE_CLASS_UUID);
// 连接蓝牙设备
socket.connect();
// 获取输入输出流
InputStream inputStream = socket.getInputStream();
OutputStream outputStream = socket.getOutputStream();
// 发送AT指令,设置波特率为460800
String command = "AT+UART=460800\r\n";
outputStream.write(command.getBytes());
outputStream.flush();
// 关闭输入输出流和蓝牙连接
inputStream.close();
outputStream.close();
socket.close();
```
其中,`deviceMacAddress`需要替换为您的蓝牙模块的MAC地址。请注意,此代码需要在Android设备上运行,并且您需要在AndroidManifest.xml文件中声明蓝牙权限。