protected virtual void OnDataReceived(report e)
{
if (DataReceived != null)
{
DataReceived(this, e);
}
}
/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public HID_RETURN Write(report r)
{
if (deviceOpened)
{
try
{
byte[] buffer = new byte[outputReportLength];
buffer[0] = r.reportID;
int maxBufferLength = 0;
if (r.reportBuff.Length < outputReportLength - 1)
{
maxBufferLength = r.reportBuff.Length;
}
else
{
maxBufferLength = outputReportLength - 1;
}
for (int i = 1; i <= maxBufferLength; i++)
{
buffer[i] = r.reportBuff[i - 1];
}
hidDevice.Write(buffer, 0, OutputReportLength);
}
catch
{
EventArgs ex = new EventArgs();
OnDeviceRemoved(ex);//发出设备移除消息
}
}
return(HID_RETURN.WRITE_FAILD);
}
/// <summary>
/// 异步读取结束,发出有数据到达事件
/// </summary>
/// <param name="iResult">这里是输入报告的数组</param>
private void ReadCompleted(IAsyncResult iResult)
{
byte[] readBuff = (byte[])(iResult.AsyncState);
try
{
if (deviceOpened == true)
{
hidDevice.EndRead(iResult);//读取结束,如果读取错误就会产生一个异常
byte[] reportData = new byte[readBuff.Length - 1];
for (int i = 1; i < readBuff.Length; i++)
{
reportData[i - 1] = readBuff[i];
}
report e = new report(readBuff[0], reportData);
OnDataReceived(e); //发出数据到达消息
BeginAsyncRead(); //启动下一次读操作
EventArgs ex = new EventArgs();
OnDataProcessed(ex); //发出数据已处理完成消息
}
}
catch //读写错误,设备可能已经被移除
{
EventArgs ex = new EventArgs();
OnDeviceRemoved(ex);//发出设备移除消息
}
}
/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public HID_RETURN Write(report r)
{
if (deviceOpened)
{
try
{
//增加超出长度时的处理规则
int nByteCount = r.reportBuff.Length;
int nPos = 0;
while (nPos < nByteCount)
{
byte[] chunk = new byte[outputReportLength];
chunk[0] = r.reportID;
for (int i = 1; i < outputReportLength; i++)
{
if (nPos < nByteCount)
{
chunk[i] = r.reportBuff[nPos++];
}
else
{
chunk[i] = 0;
}
}
hidDevice.Write(chunk, 0, OutputReportLength);
hidDevice.Flush();
Thread.Sleep(5);
}
return(HID_RETURN.SUCCESS);
}
catch
{
if (OnSpecifiedDeviceRemoved != null)
{
OnSpecifiedDeviceRemoved(this, new EventArgs());
}
CloseDevice();
}
}
else
{
if (OnSpecifiedDeviceRemoved != null)
{
OnSpecifiedDeviceRemoved(this, new EventArgs());
}
CloseDevice();
}
return(HID_RETURN.WRITE_FAILD);
}
/// <summary>
/// 异步读取结束,发出有数据到达事件
/// </summary>
/// <param name="iResult">这里是输入报告的数组</param>
private void ReadCompleted(IAsyncResult iResult)
{
byte[] readBuff = (byte[])(iResult.AsyncState);
try
{
hidDevice.EndRead(iResult);//读取结束,如果读取错误就会产生一个异常
byte[] reportData = new byte[readBuff.Length - 1];
Buffer.BlockCopy(readBuff, 1, reportData, 0, reportData.Length);
report e = new report(readBuff[0], reportData);
OnDataReceived(e); //发出数据到达消息
BeginAsyncRead(); //启动下一次读操作
}
catch (Exception e) //读写错误,设备已经被移除
{
EventArgs ex = new EventArgs();
OnDeviceRemoved(ex);//发出设备移除消息
CloseDevice();
}
}
/// <summary>
/// 异步读取结束,发出有数据到达事件
/// </summary>
/// <param name="iResult">这里是输入报告的数组</param>
private void ReadCompleted(IAsyncResult iResult)
{
byte[] readBuff = (byte[])(iResult.AsyncState);
try
{
hidDevice.EndRead(iResult);//读取结束,如果读取错误就会产生一个异常
byte[] reportData = new byte[readBuff.Length - 1];
for (int i = 1; i < readBuff.Length; i++)
{
reportData[i - 1] = readBuff[i];
}
report e = new report(readBuff[0], reportData);
OnDataReceived(e); //发出数据到达消息
BeginAsyncRead(); //启动下一次读操作
}
catch (IOException e) //读写错误,设备已经被移除
{
EventArgs ex = new EventArgs();
OnDeviceRemoved(ex);//发出设备移除消息
CloseDevice();
}
}
/// <summary>
/// 重载写入方法.
/// </summary>
/// <param name="context"></param>
public void Write(string context)
{
report data = new report(0x00, Encoding.Default.GetBytes(context));
Write(data);
}