未收到蓝牙数据(RfcommDeviceService)

时间:2015-06-30 10:08:42

标签: c# bluetooth windows-phone-8.1

我有一个蓝牙设备发送&以串行端口模式接收数据。 从代码成功连接到设备后:

var btService = await RfcommDeviceService.FromIdAsync(deviceInformation.Id);
streamSocket = new StreamSocket();
await streamSocket.ConnectAsync(btService.ConnectionHostName, btService.ConnectionServiceName);

我将命令发送到输出流:

var bytes = Encoding.UTF8.GetBytes(command);
var writed = await streamSocket.OutputStream.WriteAsync(bytes.AsBuffer());
await streamSocket.OutputStream.FlushAsync();

这里没有例外。在此之后,我倾听回应:

IBuffer buffer = new Windows.Storage.Streams.Buffer(256);
var message = await streamSocket.InputStream.ReadAsync(buffer, 256, InputStreamOptions.None);

但方法ReadAsync()无限执行。

我尝试通过DataReader / DataWriter类连接,但结果相同。

有什么问题?

0 个答案:

没有答案