Exemplos de MS_Device_ReadInCommandBlock em C++ (Cpp)

Exemplo n.º 1

Arquivo: MassStorageClassDevice.c Projeto: JeremyHsiao/TinyBlueRat_LPCv1_03

void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
	if (USB_DeviceState[MSInterfaceInfo->Config.PortNumber] != DEVICE_STATE_Configured)
	  return;

	Endpoint_SelectEndpoint(MSInterfaceInfo->Config.PortNumber, MSInterfaceInfo->Config.DataOUTEndpointNumber);

	if (Endpoint_IsReadWriteAllowed(MSInterfaceInfo->Config.PortNumber))
	{
		if (MS_Device_ReadInCommandBlock(MSInterfaceInfo))
		{
			if (MSInterfaceInfo->State.CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN)
			  Endpoint_SelectEndpoint(MSInterfaceInfo->Config.PortNumber, MSInterfaceInfo->Config.DataINEndpointNumber);

			bool SCSICommandResult = CALLBACK_MS_Device_SCSICommandReceived(MSInterfaceInfo);

			Endpoint_SelectEndpoint(MSInterfaceInfo->Config.PortNumber, MSInterfaceInfo->Config.DataOUTEndpointNumber);// for streaming
			Endpoint_ClearOUT(MSInterfaceInfo->Config.PortNumber);
			if (MSInterfaceInfo->State.CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN)
				Endpoint_SelectEndpoint(MSInterfaceInfo->Config.PortNumber, MSInterfaceInfo->Config.DataINEndpointNumber);
			MSInterfaceInfo->State.CommandStatus.Status              = (SCSICommandResult) ? MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail;
			MSInterfaceInfo->State.CommandStatus.Signature           = CPU_TO_LE32(MS_CSW_SIGNATURE);
			MSInterfaceInfo->State.CommandStatus.Tag                 = MSInterfaceInfo->State.CommandBlock.Tag;
			MSInterfaceInfo->State.CommandStatus.DataTransferResidue = MSInterfaceInfo->State.CommandBlock.DataTransferLength;

			if (!(SCSICommandResult) && (le32_to_cpu(MSInterfaceInfo->State.CommandStatus.DataTransferResidue)))
			  Endpoint_StallTransaction(MSInterfaceInfo->Config.PortNumber);

			MS_Device_ReturnCommandStatus(MSInterfaceInfo);
		}
	}

	if (MSInterfaceInfo->State.IsMassStoreReset)
	{
		Endpoint_ResetEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
		Endpoint_ResetEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber);

		Endpoint_SelectEndpoint(MSInterfaceInfo->Config.PortNumber, MSInterfaceInfo->Config.DataOUTEndpointNumber);
		Endpoint_ClearStall(MSInterfaceInfo->Config.PortNumber);
		Endpoint_ResetDataToggle(MSInterfaceInfo->Config.PortNumber);
		Endpoint_SelectEndpoint(MSInterfaceInfo->Config.PortNumber, MSInterfaceInfo->Config.DataINEndpointNumber);
		Endpoint_ClearStall(MSInterfaceInfo->Config.PortNumber);
		Endpoint_ResetDataToggle(MSInterfaceInfo->Config.PortNumber);

		MSInterfaceInfo->State.IsMassStoreReset = false;
	}
}

Exemplo n.º 2

Arquivo: MassStorage.c Projeto: softants/lufa-lib

void MS_Device_USBTask(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
	if (USB_DeviceState != DEVICE_STATE_Configured)
	  return;

	Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);

	if (Endpoint_IsReadWriteAllowed())
	{
		if (MS_Device_ReadInCommandBlock(MSInterfaceInfo))
		{
			if (MSInterfaceInfo->State.CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN)
			  Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber);

			MSInterfaceInfo->State.CommandStatus.Status = CALLBACK_MS_Device_SCSICommandReceived(MSInterfaceInfo) ?
			                                               MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail;
			MSInterfaceInfo->State.CommandStatus.Signature           = MS_CSW_SIGNATURE;
			MSInterfaceInfo->State.CommandStatus.Tag                 = MSInterfaceInfo->State.CommandBlock.Tag;
			MSInterfaceInfo->State.CommandStatus.DataTransferResidue = MSInterfaceInfo->State.CommandBlock.DataTransferLength;

			if ((MSInterfaceInfo->State.CommandStatus.Status == MS_SCSI_COMMAND_Fail) &&
			    (MSInterfaceInfo->State.CommandStatus.DataTransferResidue))
			{
				Endpoint_StallTransaction();
			}

			MS_Device_ReturnCommandStatus(MSInterfaceInfo);
		}
	}

	if (MSInterfaceInfo->State.IsMassStoreReset)
	{
		Endpoint_ResetFIFO(MSInterfaceInfo->Config.DataOUTEndpointNumber);
		Endpoint_ResetFIFO(MSInterfaceInfo->Config.DataINEndpointNumber);

		Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
		Endpoint_ClearStall();
		Endpoint_ResetDataToggle();
		Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber);
		Endpoint_ClearStall();
		Endpoint_ResetDataToggle();

		MSInterfaceInfo->State.IsMassStoreReset = false;
	}
}