public void OnControlRequestReceived(ControlRequestEventArgs e)
{
switch (e.bmRequestType)
{
case 0x40:
{
switch (e.bRequest)
{
case 0x00: //reset
case 0x01: //set modem control
case 0x02: //set flow control
case 0x03: //set baud rate
case 0x04: //set data characteristics
{
e.Ignore = false;
break;
}
default:
break;
}
break;
}
case 0xC0:
{
switch (e.bRequest)
{
case 0x05: //get status
case 0x90: //don't know
{
e.ReturnData = new byte[e.wLength];
e.Ignore = false;
break;
}
default:
break;
}
e.Ignore = false;
break;
}
default:
break;
}
}
private void _reader_DataReceived(object sender, EndpointDataEventArgs e)
{
char cmd = (char)e.Buffer[2];
switch (cmd)
{
case 'E':
{
Logger.WriteLine("Raw: Received error/busy response: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.VeryVerbose);
//Need to find the first (oldest) message matching this command and mark it as ready to send
//HACK: This really should use a sequence ID or something, but this works well enough
lock (_messages)
{
for (int i = 0; i < _messages.Count; i++)
{
if (_messages[i].Data[2] == e.Buffer[4])
{
_messages[i].Status = MessageStatus.ReadyToSend;
break;
}
}
}
break;
}
case 'A':
{
Logger.WriteLine("Raw: Received acknowledgement response: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.VeryVerbose);
//Need to find the first (oldest) message matching this command and delete it
//HACK: This really should use a sequence ID or something, but this works well enough
// There's also the potential for this to fill up all available memory...don't care for now...
lock (_messages)
{
for (int i = 0; i < _messages.Count; i++)
{
if (_messages[i].Data[2] == e.Buffer[3])
{
_messages.RemoveAt(i);
break;
}
}
}
break;
}
case 'U':
{
Logger.WriteLine("Raw: Received control request: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
//Received control request
int bmRequestType = e.Buffer[3];
int bRequest = e.Buffer[4];
int wValue = e.Buffer[5] | (e.Buffer[6] << 8);
int wIndex = e.Buffer[7] | (e.Buffer[8] << 8);
int wLength = e.Buffer[9] | (e.Buffer[10] << 8);
var attachedData = new byte[wLength];
Array.Copy(e.Buffer, 11, attachedData, 0, wLength);
var arg = new ControlRequestEventArgs(bmRequestType, bRequest, wValue, wIndex, wLength, attachedData);
_currentDevice.OnControlRequestReceived(arg);
if (arg.CanIgnore && arg.Ignore)
{
_Write(new byte[] { (byte)'U', 0x00 });
}
else if (arg.Stall)
{
_Write(new byte[] { (byte)'U', 0x02 });
}
else
{
var ret = new byte[2 + (arg.ReturnData != null ? arg.ReturnData.Length : 0)];
ret[0] = (byte)'U';
ret[1] = 0x01;
if (arg.ReturnData != null)
{
Array.Copy(arg.ReturnData, 0, ret, 2, arg.ReturnData.Length);
}
_Write(ret);
}
break;
}
case 'F':
{
//If e.Buffer[3] is non-zero, USB is connected, otherwise disconnected. Apparently.
Logger.WriteLine("Raw: Received event: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
break;
}
case 'D':
{
Logger.WriteLine("Raw: Received descriptor request: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
//Received descriptor request
int wValue = e.Buffer[3] | (e.Buffer[4] << 8);
int wIndex = e.Buffer[5] | (e.Buffer[6] << 8);
var arg = new DescriptorRequestedEventArgs(wValue, wIndex);
_currentDevice.OnDescriptorRequested(arg);
//HACK: We tacked on the endpoint configuration stuff to the device descriptor,
// so if that's what we're returning, generate and tack it on here
byte[] ret;
if (((wValue >> 8) & 0xFF) == 0x01)
{
ret = new byte[1 + arg.DescriptorData.Length + 1 + (_currentDevice.Endpoints.Count * 4)];
ret[0] = (byte)'D';
Array.Copy(arg.DescriptorData, 0, ret, 1, arg.DescriptorData.Length);
ret[1 + arg.DescriptorData.Length] = (byte)_currentDevice.Endpoints.Count;
for (int i = 0; i < _currentDevice.Endpoints.Count; i++)
{
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 0] =
(byte)(_currentDevice.Endpoints[i].Endpoint | (byte)_currentDevice.Endpoints[i].Direction);
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 1] = (byte)_currentDevice.Endpoints[i].Type;
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 2] = (byte)(_currentDevice.Endpoints[i].MaximumPacketSize & 0xFF);
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 3] = (byte)((_currentDevice.Endpoints[i].MaximumPacketSize >> 8) & 0xFF);
}
}
else
{
ret = new byte[1 + (arg.DescriptorData != null ? arg.DescriptorData.Length : 0)];
ret[0] = (byte)'D';
if (arg.DescriptorData != null)
{
Array.Copy(arg.DescriptorData, 0, ret, 1, arg.DescriptorData.Length);
}
}
_Write(ret);
break;
}
case 'I':
{
Logger.WriteLine("Raw: Received incoming data: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
//Incoming endpoint data received
int count = (e.Buffer[0] | (e.Buffer[1] << 8));
if (count > 0)
{
var data = new byte[count - 2];
Array.Copy(e.Buffer, 4, data, 0, data.Length);
_currentDevice.OnIncomingDataReceived(new IncomingDataEventArgs(e.Buffer[3], data));
}
break;
}
default:
{
Logger.WriteLine("Raw: Received unknown data: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
break;
}
}
}
private void _reader_DataReceived(object sender, EndpointDataEventArgs e)
{
char cmd = (char)e.Buffer[2];
switch (cmd)
{
case 'E':
{
Logger.WriteLine("Raw: Received error/busy response: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.VeryVerbose);
//Need to find the first (oldest) message matching this command and mark it as ready to send
//HACK: This really should use a sequence ID or something, but this works well enough
lock (_messages)
{
for (int i = 0; i < _messages.Count; i++)
{
if (_messages[i].Data[2] == e.Buffer[4])
{
_messages[i].Status = MessageStatus.ReadyToSend;
break;
}
}
}
break;
}
case 'A':
{
Logger.WriteLine("Raw: Received acknowledgement response: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.VeryVerbose);
//Need to find the first (oldest) message matching this command and delete it
//HACK: This really should use a sequence ID or something, but this works well enough
// There's also the potential for this to fill up all available memory...don't care for now...
lock (_messages)
{
for (int i = 0; i < _messages.Count; i++)
{
if (_messages[i].Data[2] == e.Buffer[3])
{
_messages.RemoveAt(i);
break;
}
}
}
break;
}
case 'U':
{
Logger.WriteLine("Raw: Received control request: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
//Received control request
int bmRequestType = e.Buffer[3];
int bRequest = e.Buffer[4];
int wValue = e.Buffer[5] | (e.Buffer[6] << 8);
int wIndex = e.Buffer[7] | (e.Buffer[8] << 8);
int wLength = e.Buffer[9] | (e.Buffer[10] << 8);
var attachedData = new byte[wLength];
Array.Copy(e.Buffer, 11, attachedData, 0, wLength);
var arg = new ControlRequestEventArgs(bmRequestType, bRequest, wValue, wIndex, wLength, attachedData);
_currentDevice.OnControlRequestReceived(arg);
if (arg.CanIgnore && arg.Ignore)
{
_Write(new byte[] { (byte)'U', 0x00 });
}
else if (arg.Stall)
{
_Write(new byte[] { (byte)'U', 0x02 });
}
else
{
var ret = new byte[2 + (arg.ReturnData != null ? arg.ReturnData.Length : 0)];
ret[0] = (byte)'U';
ret[1] = 0x01;
if (arg.ReturnData != null)
Array.Copy(arg.ReturnData, 0, ret, 2, arg.ReturnData.Length);
_Write(ret);
}
break;
}
case 'F':
{
//If e.Buffer[3] is non-zero, USB is connected, otherwise disconnected. Apparently.
Logger.WriteLine("Raw: Received event: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
break;
}
case 'D':
{
Logger.WriteLine("Raw: Received descriptor request: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
//Received descriptor request
int wValue = e.Buffer[3] | (e.Buffer[4] << 8);
int wIndex = e.Buffer[5] | (e.Buffer[6] << 8);
var arg = new DescriptorRequestedEventArgs(wValue, wIndex);
_currentDevice.OnDescriptorRequested(arg);
//HACK: We tacked on the endpoint configuration stuff to the device descriptor,
// so if that's what we're returning, generate and tack it on here
byte[] ret;
if (((wValue >> 8) & 0xFF) == 0x01)
{
ret = new byte[1 + arg.DescriptorData.Length + 1 + (_currentDevice.Endpoints.Count * 4)];
ret[0] = (byte)'D';
Array.Copy(arg.DescriptorData, 0, ret, 1, arg.DescriptorData.Length);
ret[1 + arg.DescriptorData.Length] = (byte)_currentDevice.Endpoints.Count;
for (int i = 0; i < _currentDevice.Endpoints.Count; i++)
{
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 0] =
(byte)(_currentDevice.Endpoints[i].Endpoint | (byte)_currentDevice.Endpoints[i].Direction);
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 1] = (byte)_currentDevice.Endpoints[i].Type;
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 2] = (byte)(_currentDevice.Endpoints[i].MaximumPacketSize & 0xFF);
ret[1 + arg.DescriptorData.Length + 1 + (i * 4) + 3] = (byte)((_currentDevice.Endpoints[i].MaximumPacketSize >> 8) & 0xFF);
}
}
else
{
ret = new byte[1 + (arg.DescriptorData != null ? arg.DescriptorData.Length : 0)];
ret[0] = (byte)'D';
if (arg.DescriptorData != null)
Array.Copy(arg.DescriptorData, 0, ret, 1, arg.DescriptorData.Length);
}
_Write(ret);
break;
}
case 'I':
{
Logger.WriteLine("Raw: Received incoming data: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
//Incoming endpoint data received
int count = (e.Buffer[0] | (e.Buffer[1] << 8));
if (count > 0)
{
var data = new byte[count - 2];
Array.Copy(e.Buffer, 4, data, 0, data.Length);
_currentDevice.OnIncomingDataReceived(new IncomingDataEventArgs(e.Buffer[3], data));
}
break;
}
default:
{
Logger.WriteLine("Raw: Received unknown data: " +
BitConverter.ToString(e.Buffer, 0, e.Count), Logger.LoggingLevel.Verbose);
break;
}
}
}