public static byte[] ReceiveVendorResponse(CyUSBDevice usbDevice, MonoUsbDeviceHandle monoDeviceHandle, byte reqCode, int length, ushort value = 0, ushort index = 0)
{
if (usbDevice != null)
{
CyControlEndPoint ctrlEpt = usbDevice.ControlEndPt;
ctrlEpt.TimeOut = TIMEOUT;
ctrlEpt.Direction = CyConst.DIR_FROM_DEVICE;
ctrlEpt.ReqType = CyConst.REQ_VENDOR;
ctrlEpt.Target = CyConst.TGT_DEVICE;
ctrlEpt.ReqCode = reqCode;
ctrlEpt.Value = value;
ctrlEpt.Index = index;
int bytes = length;
byte[] buffer = new byte[bytes];
ctrlEpt.XferData(ref buffer, ref bytes);
if (bytes == buffer.Length)
{
return(buffer);
}
}
else
{
short bytes = (short)length;
byte[] data = new byte[bytes];
byte requestType = CyConst.DIR_FROM_DEVICE + CyConst.REQ_VENDOR + CyConst.TGT_DEVICE;
int ret = MonoUsbApi.ControlTransfer(monoDeviceHandle, requestType, reqCode, (short)value, (short)index, data, bytes, TIMEOUT);
if (ret == data.Length)
{
return(data);
}
}
return(null);
}
public static bool SendVendorRequest(CyUSBDevice usbDevice, MonoUsbDeviceHandle monoDeviceHandle, byte reqCode, byte[] data, ushort value = 0, ushort index = 0)
{
if (data == null)
{
data = new byte[0];
}
if (usbDevice != null)
{
CyControlEndPoint ctrlEpt = usbDevice.ControlEndPt;
ctrlEpt.TimeOut = TIMEOUT;
ctrlEpt.Direction = CyConst.DIR_TO_DEVICE;
ctrlEpt.ReqType = CyConst.REQ_VENDOR;
ctrlEpt.Target = CyConst.TGT_DEVICE;
ctrlEpt.ReqCode = reqCode;
ctrlEpt.Value = value;
ctrlEpt.Index = index;
int bytes = data.Length;
ctrlEpt.XferData(ref data, ref bytes);
return(bytes == data.Length);
}
else
{
short bytes = (short)data.Length;
byte requestType = CyConst.DIR_TO_DEVICE + CyConst.REQ_VENDOR + CyConst.TGT_DEVICE;
int ret = MonoUsbApi.ControlTransfer(monoDeviceHandle, requestType, reqCode, (short)value, (short)index, data, bytes, TIMEOUT);
return(ret == data.Length);
}
}
