/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, 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
+ 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
*/
#define __INCLUDE_FROM_USB_DRIVER
-#include "../../HighLevel/USBMode.h"
+#include "../../Core/USBMode.h"
+
#if defined(USB_CAN_BE_DEVICE)
-#define __INCLUDE_FROM_MS_CLASS_DEVICE_C
#define __INCLUDE_FROM_MS_DRIVER
+#define __INCLUDE_FROM_MASSSTORAGE_DEVICE_C
#include "MassStorage.h"
-static volatile bool* CallbackIsResetSource;
-
void MS_Device_ProcessControlRequest(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
if (!(Endpoint_IsSETUPReceived()))
return;
-
+
if (USB_ControlRequest.wIndex != MSInterfaceInfo->Config.InterfaceNumber)
return;
switch (USB_ControlRequest.bRequest)
{
- case REQ_MassStorageReset:
+ case MS_REQ_MassStorageReset:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
-
- MSInterfaceInfo->State.IsMassStoreReset = true;
-
Endpoint_ClearStatusStage();
+
+ MSInterfaceInfo->State.IsMassStoreReset = true;
}
break;
- case REQ_GetMaxLUN:
+ case MS_REQ_GetMaxLUN:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
-
- Endpoint_Write_Byte(MSInterfaceInfo->Config.TotalLUNs - 1);
+ Endpoint_Write_Byte(MSInterfaceInfo->Config.TotalLUNs - 1);
Endpoint_ClearIN();
-
Endpoint_ClearStatusStage();
}
-
+
break;
}
}
{
memset(&MSInterfaceInfo->State, 0x00, sizeof(MSInterfaceInfo->State));
- if (!(Endpoint_ConfigureEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,
- ENDPOINT_DIR_IN, MSInterfaceInfo->Config.DataINEndpointSize,
- MSInterfaceInfo->Config.DataINEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+ for (uint8_t EndpointNum = 1; EndpointNum < ENDPOINT_TOTAL_ENDPOINTS; EndpointNum++)
{
- return false;
- }
+ uint16_t Size;
+ uint8_t Type;
+ uint8_t Direction;
+ bool DoubleBanked;
- if (!(Endpoint_ConfigureEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_BULK,
- ENDPOINT_DIR_OUT, MSInterfaceInfo->Config.DataOUTEndpointSize,
- MSInterfaceInfo->Config.DataOUTEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
- {
- return false;
+ if (EndpointNum == MSInterfaceInfo->Config.DataINEndpointNumber)
+ {
+ Size = MSInterfaceInfo->Config.DataINEndpointSize;
+ Direction = ENDPOINT_DIR_IN;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = MSInterfaceInfo->Config.DataINEndpointDoubleBank;
+ }
+ else if (EndpointNum == MSInterfaceInfo->Config.DataOUTEndpointNumber)
+ {
+ Size = MSInterfaceInfo->Config.DataOUTEndpointSize;
+ Direction = ENDPOINT_DIR_OUT;
+ Type = EP_TYPE_BULK;
+ DoubleBanked = MSInterfaceInfo->Config.DataOUTEndpointDoubleBank;
+ }
+ else
+ {
+ continue;
+ }
+
+ if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
+ DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+ {
+ return false;
+ }
}
return true;
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) ?
- SCSI_Command_Pass : SCSI_Command_Fail;
+ 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 == SCSI_Command_Fail) &&
+ 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_ResetEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
+ Endpoint_ResetEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber);
+
Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
Endpoint_ClearStall();
Endpoint_ResetDataToggle();
static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
{
- Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
+ uint16_t BytesProcessed;
- CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset;
- if (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock,
- (sizeof(MS_CommandBlockWrapper_t) - 16),
- StreamCallback_MS_Device_AbortOnMassStoreReset))
+ Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
+
+ BytesProcessed = 0;
+ while (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock,
+ (sizeof(MS_CommandBlockWrapper_t) - 16), &BytesProcessed) ==
+ ENDPOINT_RWSTREAM_IncompleteTransfer)
{
- return false;
+ if (MSInterfaceInfo->State.IsMassStoreReset)
+ return false;
}
-
+
if ((MSInterfaceInfo->State.CommandBlock.Signature != MS_CBW_SIGNATURE) ||
(MSInterfaceInfo->State.CommandBlock.LUN >= MSInterfaceInfo->Config.TotalLUNs) ||
(MSInterfaceInfo->State.CommandBlock.Flags & 0x1F) ||
Endpoint_StallTransaction();
Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber);
Endpoint_StallTransaction();
-
+
return false;
}
- CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset;
- if (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock.SCSICommandData,
- MSInterfaceInfo->State.CommandBlock.SCSICommandLength,
- StreamCallback_MS_Device_AbortOnMassStoreReset))
+ BytesProcessed = 0;
+ while (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock.SCSICommandData,
+ MSInterfaceInfo->State.CommandBlock.SCSICommandLength, &BytesProcessed) ==
+ ENDPOINT_RWSTREAM_IncompleteTransfer)
{
- return false;
+ if (MSInterfaceInfo->State.IsMassStoreReset)
+ return false;
}
Endpoint_ClearOUT();
-
+
return true;
}
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
USB_USBTask();
#endif
-
+
if (MSInterfaceInfo->State.IsMassStoreReset)
return;
}
-
- CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset;
- if (Endpoint_Write_Stream_LE(&MSInterfaceInfo->State.CommandStatus, sizeof(MS_CommandStatusWrapper_t),
- StreamCallback_MS_Device_AbortOnMassStoreReset))
+
+ uint16_t BytesProcessed = 0;
+ while (Endpoint_Write_Stream_LE(&MSInterfaceInfo->State.CommandStatus,
+ sizeof(MS_CommandStatusWrapper_t), &BytesProcessed) ==
+ ENDPOINT_RWSTREAM_IncompleteTransfer)
{
- return;
+ if (MSInterfaceInfo->State.IsMassStoreReset)
+ return;
}
-
+
Endpoint_ClearIN();
}
-static uint8_t StreamCallback_MS_Device_AbortOnMassStoreReset(void)
-{
- #if !defined(INTERRUPT_CONTROL_ENDPOINT)
- USB_USBTask();
- #endif
-
- if (*CallbackIsResetSource)
- return STREAMCALLBACK_Abort;
- else
- return STREAMCALLBACK_Continue;
-}
-
#endif