/*
             LUFA Library
     Copyright (C) Dean Camera, 2009.
              
  dean [at] fourwalledcubicle [dot] com
      www.fourwalledcubicle.com
*/

/*
  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)

  Permission to use, copy, modify, and distribute this software
  and its documentation for any purpose and without fee is hereby
  granted, provided that the above copyright notice appear in all
  copies and that both that the copyright notice and this
  permission notice and warranty disclaimer appear in supporting
  documentation, and that the name of the author not be used in
  advertising or publicity pertaining to distribution of the
  software without specific, written prior permission.

  The author disclaim all warranties with regard to this
  software, including all implied warranties of merchantability
  and fitness.  In no event shall the author be liable for any
  special, indirect or consequential damages or any damages
  whatsoever resulting from loss of use, data or profits, whether
  in an action of contract, negligence or other tortious action,
  arising out of or in connection with the use or performance of
  this software.
*/

#include "DiskDevice.h"

#if defined(USB_CAN_BE_DEVICE)
/** LUFA Mass Storage Class driver interface configuration and state information. This structure is
 *  passed to all Mass Storage Class driver functions, so that multiple instances of the same class
 *  within a device can be differentiated from one another.
 */
USB_ClassInfo_MS_Device_t DiskDevice_MS_Interface =
	{
		.Config =
			{
				.InterfaceNumber           = 0,

				.DataINEndpointNumber      = MASS_STORAGE_IN_EPNUM,
				.DataINEndpointSize        = MASS_STORAGE_IO_EPSIZE,
				.DataINEndpointDoubleBank  = false,

				.DataOUTEndpointNumber     = MASS_STORAGE_OUT_EPNUM,
				.DataOUTEndpointSize       = MASS_STORAGE_IO_EPSIZE,
				.DataOUTEndpointDoubleBank = false,

				.TotalLUNs                 = 1,
			},
	};

void DiskDevice_USBTask(void)
{
	MS_Device_USBTask(&DiskDevice_MS_Interface);
}

/** Event handler for the library USB Connection event. */
void EVENT_USB_Device_Connect(void)
{
	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
}

/** Event handler for the library USB Disconnection event. */
void EVENT_USB_Device_Disconnect(void)
{
	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
}

/** Event handler for the library USB Configuration Changed event. */
void EVENT_USB_Device_ConfigurationChanged(void)
{
	LEDs_SetAllLEDs(LEDMASK_USB_READY);

	if (!(MS_Device_ConfigureEndpoints(&DiskDevice_MS_Interface)))
	  LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
	
	pf_mount(&DiskFATState);
}

/** Event handler for the library USB Unhandled Control Request event. */
void EVENT_USB_Device_UnhandledControlRequest(void)
{
	MS_Device_ProcessControlRequest(&DiskDevice_MS_Interface);
}

/** Mass Storage class driver callback function the reception of SCSI commands from the host, which must be processed.
 *
 *  \param[in] MSInterfaceInfo  Pointer to the Mass Storage class interface configuration structure being referenced
 */
bool CALLBACK_MS_Device_SCSICommandReceived(USB_ClassInfo_MS_Device_t* MSInterfaceInfo)
{
	bool CommandSuccess;
	
	LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
	CommandSuccess = SCSI_DecodeSCSICommand(MSInterfaceInfo);
	LEDs_SetAllLEDs(LEDMASK_USB_READY);
	
	return CommandSuccess;
}
#endif