/// <summary>
/// 读取数据实体到指定结构体
/// </summary>
/// <typeparam name="T">目标结构体</typeparam>
/// <param name="buf">byte数组</param>
/// <returns></returns>
public static T ParseDataBodyToStructure <T>(byte[] buf) where T : struct
{
Pigeon_Comm_Data data = ByteArrayToStructure <Pigeon_Comm_Data>(buf);
byte[] buf2 = new byte[data.Len];
// 复制buf+offset 到 buf2
Buffer.BlockCopy(buf, Marshal.SizeOf(data), buf2, 0, buf2.Length);
return(ByteArrayToStructure <T>(buf2));
}
private static void OnRxEndPointData(object sender, EndpointDataEventArgs e)
{
Pigeon_Comm_Data data = Data.DataParse(e.Buffer);
if (data.Head == 0x66)
{
Pigeon_Settings settingss = new Pigeon_Settings();
settingss.Brightness = 10;
settingss.ProfileIdx = 0;
settingss.KeyDef = 3;
settingss.RLELen = 615;
byte[] a = Data.ToBytes(settingss);
Pigeon_Settings settings = Data.ParseDataBodyToStructure <Pigeon_Settings>(e.Buffer);
if (settings.Brightness == 1)
{
}
}
}
/// <summary>
/// 打开USB设备
/// </summary>
/// <param name="usb"></param>
private void OpenDevice()
{
if (inUsingDevice != null)
{
return;
}
// Open Device
inUsingDevice = UsbDevice.OpenUsbDevice(MyUsbFinder);
if (inUsingDevice != null)
{
IUsbDevice wholeUsbDevice = inUsingDevice as IUsbDevice;
if (!ReferenceEquals(wholeUsbDevice, null))
{
// Select config #1
wholeUsbDevice.SetConfiguration(1);
// Claim interface #0.
wholeUsbDevice.ClaimInterface(0);
}
EndpointWriter = inUsingDevice.OpenEndpointWriter(WriteEndpointID.Ep02);
EndpointReader = inUsingDevice.OpenEndpointReader(ReadEndpointID.Ep02);
EndpointReader.DataReceived += (OnRxEndPointData);
EndpointReader.DataReceivedEnabled = true;
// Update controls
lb_status.Text = "已连接";
lb_status.ForeColor = Color.Green;
Pigeon_Comm_Data data = new Pigeon_Comm_Data();
data.Head = 0x66;
data.Cmd = Pigeon_Comm_Cmd.READ_SETTINGS;
data.Len = 0;
//
byte[] vs = Data.ToBytes(data);
// Send to device
int bytesWritten;
EndpointWriter.Write(vs, 1000, out bytesWritten);
}
}