diff options
author | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
---|---|---|
committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-05-08 03:12:14 +0000 |
commit | 071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch) | |
tree | 960446788703b69f0bb285450be80c5b3d8cc22c /LUFA/Drivers/USB/Class/Device/MassStorage.c | |
parent | e331b531c6e6d93eb0eee42b9002074e8090ad18 (diff) | |
download | lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.gz lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.tar.bz2 lufa-071e02c6b6b4837fa9cf0b6d4c749994e02638d7.zip |
Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/MassStorage.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Device/MassStorage.c | 460 |
1 files changed, 230 insertions, 230 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/MassStorage.c b/LUFA/Drivers/USB/Class/Device/MassStorage.c index a5ebab029..c31eb86cb 100644 --- a/LUFA/Drivers/USB/Class/Device/MassStorage.c +++ b/LUFA/Drivers/USB/Class/Device/MassStorage.c @@ -1,230 +1,230 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2010.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- 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
- 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.
-*/
-
-#define __INCLUDE_FROM_USB_DRIVER
-#include "../../HighLevel/USBMode.h"
-#if defined(USB_CAN_BE_DEVICE)
-
-#define __INCLUDE_FROM_MS_CLASS_DEVICE_C
-#define __INCLUDE_FROM_MS_DRIVER
-#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:
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- Endpoint_ClearSETUP();
-
- MSInterfaceInfo->State.IsMassStoreReset = true;
-
- Endpoint_ClearStatusStage();
- }
-
- break;
- case REQ_GetMaxLUN:
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- Endpoint_ClearSETUP();
-
- Endpoint_Write_Byte(MSInterfaceInfo->Config.TotalLUNs - 1);
- Endpoint_ClearIN();
-
- Endpoint_ClearStatusStage();
- }
-
- break;
- }
-}
-
-bool MS_Device_ConfigureEndpoints(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
-{
- 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)))
- {
- return false;
- }
-
- 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;
- }
-
- return true;
-}
-
-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) ?
- SCSI_Command_Pass : 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) &&
- (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;
- }
-}
-
-static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
-{
- Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
-
- CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset;
- if (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock,
- (sizeof(MS_CommandBlockWrapper_t) - 16),
- StreamCallback_MS_Device_AbortOnMassStoreReset))
- {
- return false;
- }
-
- if ((MSInterfaceInfo->State.CommandBlock.Signature != MS_CBW_SIGNATURE) ||
- (MSInterfaceInfo->State.CommandBlock.LUN >= MSInterfaceInfo->Config.TotalLUNs) ||
- (MSInterfaceInfo->State.CommandBlock.Flags & 0x1F) ||
- (MSInterfaceInfo->State.CommandBlock.SCSICommandLength == 0) ||
- (MSInterfaceInfo->State.CommandBlock.SCSICommandLength > 16))
- {
- 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))
- {
- return false;
- }
-
- Endpoint_ClearOUT();
-
- return true;
-}
-
-static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo)
-{
- Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber);
-
- while (Endpoint_IsStalled())
- {
- #if !defined(INTERRUPT_CONTROL_ENDPOINT)
- USB_USBTask();
- #endif
-
- if (MSInterfaceInfo->State.IsMassStoreReset)
- return;
- }
-
- Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber);
-
- while (Endpoint_IsStalled())
- {
- #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))
- {
- 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
+/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + 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 + 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. +*/ + +#define __INCLUDE_FROM_USB_DRIVER +#include "../../HighLevel/USBMode.h" +#if defined(USB_CAN_BE_DEVICE) + +#define __INCLUDE_FROM_MS_CLASS_DEVICE_C +#define __INCLUDE_FROM_MS_DRIVER +#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: + if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) + { + Endpoint_ClearSETUP(); + + MSInterfaceInfo->State.IsMassStoreReset = true; + + Endpoint_ClearStatusStage(); + } + + break; + case REQ_GetMaxLUN: + if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) + { + Endpoint_ClearSETUP(); + + Endpoint_Write_Byte(MSInterfaceInfo->Config.TotalLUNs - 1); + Endpoint_ClearIN(); + + Endpoint_ClearStatusStage(); + } + + break; + } +} + +bool MS_Device_ConfigureEndpoints(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) +{ + 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))) + { + return false; + } + + 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; + } + + return true; +} + +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) ? + SCSI_Command_Pass : 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) && + (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; + } +} + +static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) +{ + Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber); + + CallbackIsResetSource = &MSInterfaceInfo->State.IsMassStoreReset; + if (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock, + (sizeof(MS_CommandBlockWrapper_t) - 16), + StreamCallback_MS_Device_AbortOnMassStoreReset)) + { + return false; + } + + if ((MSInterfaceInfo->State.CommandBlock.Signature != MS_CBW_SIGNATURE) || + (MSInterfaceInfo->State.CommandBlock.LUN >= MSInterfaceInfo->Config.TotalLUNs) || + (MSInterfaceInfo->State.CommandBlock.Flags & 0x1F) || + (MSInterfaceInfo->State.CommandBlock.SCSICommandLength == 0) || + (MSInterfaceInfo->State.CommandBlock.SCSICommandLength > 16)) + { + 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)) + { + return false; + } + + Endpoint_ClearOUT(); + + return true; +} + +static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) +{ + Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpointNumber); + + while (Endpoint_IsStalled()) + { + #if !defined(INTERRUPT_CONTROL_ENDPOINT) + USB_USBTask(); + #endif + + if (MSInterfaceInfo->State.IsMassStoreReset) + return; + } + + Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpointNumber); + + while (Endpoint_IsStalled()) + { + #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)) + { + 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 |