C++ (Cpp) TEMPLATE_TRANSFER_BYTE Examples

Example #1

File: Template_Endpoint_Control_R.c Project: Flaviowebit/openCBM

uint8_t TEMPLATE_FUNC_NAME (void* Buffer, uint16_t Length)
{
	uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
	
	if (!(Length))
	  Endpoint_ClearOUT();
	
	while (Length)
	{
		if (Endpoint_IsSETUPReceived())
		  return ENDPOINT_RWCSTREAM_HostAborted;

		if (USB_DeviceState == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		  
		if (Endpoint_IsOUTReceived())
		{
			while (Length && Endpoint_BytesInEndpoint())
			{
				TEMPLATE_TRANSFER_BYTE(DataStream);
				Length--;
			}
			
			Endpoint_ClearOUT();
		}		  
	}
	
	while (!(Endpoint_IsINReady()))
	{
		if (USB_DeviceState == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
	}
	
	return ENDPOINT_RWCSTREAM_NoError;
}

Example #2

File: Template_Endpoint_Control_W.c Project: Atarity/Lightpack

uint8_t TEMPLATE_FUNC_NAME (const void* const Buffer,
                            uint16_t Length)
{
	uint8_t* DataStream     = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
	bool     LastPacketFull = false;

	Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint | ENDPOINT_DIR_IN);

	if (Length > USB_ControlRequest.wLength)
	  Length = USB_ControlRequest.wLength;
	else if (!(Length))
	  Endpoint_ClearIN();

	while (Length || LastPacketFull)
	{
		uint8_t USB_DeviceState_LCL = USB_DeviceState;

		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
		  return ENDPOINT_RWCSTREAM_BusSuspended;
		else if (Endpoint_IsSETUPReceived())
		  return ENDPOINT_RWCSTREAM_HostAborted;
		else if (Endpoint_IsOUTReceived())
		  break;

		if (Endpoint_IsINReady())
		{
			uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint();

			while (Length && (BytesInEndpoint < USB_Device_ControlEndpointSize))
			{
				TEMPLATE_TRANSFER_BYTE(DataStream);
				TEMPLATE_BUFFER_MOVE(DataStream, 1);
				Length--;
				BytesInEndpoint++;
			}

			LastPacketFull = (BytesInEndpoint == USB_Device_ControlEndpointSize);
			Endpoint_ClearIN();
		}
	}

	while (!(Endpoint_IsOUTReceived()))
	{
		uint8_t USB_DeviceState_LCL = USB_DeviceState;

		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
		  return ENDPOINT_RWCSTREAM_BusSuspended;
	}

	return ENDPOINT_RWCSTREAM_NoError;
}

Example #3

File: Template_Endpoint_RW.c Project: softants/lufa-lib

uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
                            uint16_t Length,
                            uint16_t* const BytesProcessed)
{
	uint8_t* DataStream      = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
	uint16_t BytesInTransfer = 0;
	uint8_t  ErrorCode;

	if ((ErrorCode = Endpoint_WaitUntilReady()))
	  return ErrorCode;

	if (BytesProcessed != NULL)
	{
		Length -= *BytesProcessed;
		TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed);
	}

	while (Length)
	{
		if (!(Endpoint_IsReadWriteAllowed()))
		{
			TEMPLATE_CLEAR_ENDPOINT();

			if (BytesProcessed != NULL)
			{
				*BytesProcessed += BytesInTransfer;
				return ENDPOINT_RWSTREAM_IncompleteTransfer;
			}

			#if !defined(INTERRUPT_CONTROL_ENDPOINT)
			USB_USBTask();
			#endif

			if ((ErrorCode = Endpoint_WaitUntilReady()))
			  return ErrorCode;
		}
		else
		{
			TEMPLATE_TRANSFER_BYTE(DataStream);
			TEMPLATE_BUFFER_MOVE(DataStream, 1);
			Length--;
			BytesInTransfer++;
		}
	}

	return ENDPOINT_RWSTREAM_NoError;
}

Example #4

File: Template_Endpoint_Control_R.c Project: AdjacentReality/lufa-lib

uint8_t TEMPLATE_FUNC_NAME (void* const Buffer,
                            uint16_t Length)
{
	uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));

	Endpoint_SelectEndpoint(USB_Endpoint_SelectedEndpoint & ~ENDPOINT_DIR_IN);

	if (!(Length))
	  Endpoint_ClearOUT();

	while (Length)
	{
		uint8_t USB_DeviceState_LCL = USB_DeviceState;

		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
		  return ENDPOINT_RWCSTREAM_BusSuspended;
		else if (Endpoint_IsSETUPReceived())
		  return ENDPOINT_RWCSTREAM_HostAborted;

		if (Endpoint_IsOUTReceived())
		{
			while (Length && Endpoint_BytesInEndpoint())
			{
				TEMPLATE_TRANSFER_BYTE(DataStream);
				TEMPLATE_BUFFER_MOVE(DataStream, 1);
				Length--;
			}

			Endpoint_ClearOUT();
		}
	}

	while (!(Endpoint_IsINReady()))
	{
		uint8_t USB_DeviceState_LCL = USB_DeviceState;

		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
		  return ENDPOINT_RWCSTREAM_BusSuspended;
	}

	return ENDPOINT_RWCSTREAM_NoError;
}

Example #5

File: Template_Pipe_RW.c Project: Codingboy/ucuni

uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE const Buffer,
                            uint16_t Length,
                            uint16_t* const BytesProcessed)
{
	uint8_t* DataStream      = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
	uint16_t BytesInTransfer = 0;
	uint8_t  ErrorCode;

	Pipe_SetPipeToken(TEMPLATE_TOKEN);

	if ((ErrorCode = Pipe_WaitUntilReady()))
	  return ErrorCode;

	if (BytesProcessed != NULL)
	{
		Length -= *BytesProcessed;
		TEMPLATE_BUFFER_MOVE(DataStream, *BytesProcessed);
	}

	while (Length)
	{
		if (!(Pipe_IsReadWriteAllowed()))
		{
			TEMPLATE_CLEAR_PIPE();

			if (BytesProcessed != NULL)
			{
				*BytesProcessed += BytesInTransfer;
				return PIPE_RWSTREAM_IncompleteTransfer;
			}

			if ((ErrorCode = Pipe_WaitUntilReady()))
			  return ErrorCode;
		}
		else
		{
			TEMPLATE_TRANSFER_BYTE(DataStream);
			TEMPLATE_BUFFER_MOVE(DataStream, 1);
			Length--;
			BytesInTransfer++;
		}
	}

	return PIPE_RWSTREAM_NoError;
}

Example #6

File: Template_Endpoint_Control_W.c Project: TomMD/teensy

uint8_t TEMPLATE_FUNC_NAME (const void* Buffer, uint16_t Length)
{
	uint8_t* DataStream     = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
	bool     LastPacketFull = false;
	
	if (Length > USB_ControlRequest.wLength)
	  Length = USB_ControlRequest.wLength;
	else if (!(Length))
	  Endpoint_ClearIN();

	while (Length || LastPacketFull)
	{
		if (Endpoint_IsSETUPReceived())
		  return ENDPOINT_RWCSTREAM_HostAborted;

		if (Endpoint_IsOUTReceived())
		  break;
		
		if (USB_DeviceState == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		  
		if (Endpoint_IsINReady())
		{
			while (Length && (Endpoint_BytesInEndpoint() < USB_ControlEndpointSize))
			{
				TEMPLATE_TRANSFER_BYTE(DataStream);
				Length--;
			}
			
			LastPacketFull = (Endpoint_BytesInEndpoint() == USB_ControlEndpointSize);
			Endpoint_ClearIN();
		}
	}
	
	while (!(Endpoint_IsOUTReceived()))
	{
		if (USB_DeviceState == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;	
	}

	return ENDPOINT_RWCSTREAM_NoError;
}

Example #7

File: Template_Endpoint_RW.c Project: AteamVentures/Creatable_D2

uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer,
                            uint16_t Length
                            __CALLBACK_PARAM)
{
	uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
	uint8_t  ErrorCode;
	
	if ((ErrorCode = Endpoint_WaitUntilReady()))
	  return ErrorCode;

	#if defined(FAST_STREAM_TRANSFERS)
	uint8_t BytesRemToAlignment = (Endpoint_BytesInEndpoint() & 0x07);

	if (Length >= 8)
	{
		Length -= BytesRemToAlignment;

		switch (BytesRemToAlignment)
		{
			default:
				do
				{
					if (!(Endpoint_IsReadWriteAllowed()))
					{
						TEMPLATE_CLEAR_ENDPOINT();

						#if !defined(NO_STREAM_CALLBACKS)
						if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
						  return ENDPOINT_RWSTREAM_CallbackAborted;
						#endif

						if ((ErrorCode = Endpoint_WaitUntilReady()))
						  return ErrorCode;
					}

					Length -= 8;
					
					TEMPLATE_TRANSFER_BYTE(DataStream);
			case 7: TEMPLATE_TRANSFER_BYTE(DataStream);
			case 6: TEMPLATE_TRANSFER_BYTE(DataStream);
			case 5: TEMPLATE_TRANSFER_BYTE(DataStream);
			case 4: TEMPLATE_TRANSFER_BYTE(DataStream);
			case 3: TEMPLATE_TRANSFER_BYTE(DataStream);
			case 2: TEMPLATE_TRANSFER_BYTE(DataStream);
			case 1:	TEMPLATE_TRANSFER_BYTE(DataStream);
				} while (Length >= 8);	
		}
	}
	#endif

	while (Length)
	{
		if (!(Endpoint_IsReadWriteAllowed()))
		{
			TEMPLATE_CLEAR_ENDPOINT();

			#if !defined(NO_STREAM_CALLBACKS)
			if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort))
			  return ENDPOINT_RWSTREAM_CallbackAborted;
			#endif

			if ((ErrorCode = Endpoint_WaitUntilReady()))
			  return ErrorCode;
		}
		else
		{
			TEMPLATE_TRANSFER_BYTE(DataStream);
			Length--;
		}
	}

	return ENDPOINT_RWSTREAM_NoError;
}