diff options
Diffstat (limited to 'lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.c')
| -rw-r--r-- | lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.c b/lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.c deleted file mode 100644 index 1ea30f7cbc..0000000000 --- a/lib/lufa/LUFA/Drivers/USB/Class/Device/MassStorageClassDevice.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 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 disclaims 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 "../../Core/USBMode.h" - -#if defined(USB_CAN_BE_DEVICE) - -#define __INCLUDE_FROM_MS_DRIVER -#define __INCLUDE_FROM_MASSSTORAGE_DEVICE_C -#include "MassStorageClassDevice.h" - -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 MS_REQ_MassStorageReset: - if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - Endpoint_ClearStatusStage(); - - MSInterfaceInfo->State.IsMassStoreReset = true; - } - - break; - case MS_REQ_GetMaxLUN: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - Endpoint_ClearSETUP(); - while (!(Endpoint_IsINReady())); - Endpoint_Write_8(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)); - - MSInterfaceInfo->Config.DataINEndpoint.Type = EP_TYPE_BULK; - MSInterfaceInfo->Config.DataOUTEndpoint.Type = EP_TYPE_BULK; - - if (!(Endpoint_ConfigureEndpointTable(&MSInterfaceInfo->Config.DataINEndpoint, 1))) - return false; - - if (!(Endpoint_ConfigureEndpointTable(&MSInterfaceInfo->Config.DataOUTEndpoint, 1))) - 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.DataOUTEndpoint.Address); - - if (Endpoint_IsOUTReceived()) - { - if (MS_Device_ReadInCommandBlock(MSInterfaceInfo)) - { - if (MSInterfaceInfo->State.CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN) - Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpoint.Address); - - bool SCSICommandResult = CALLBACK_MS_Device_SCSICommandReceived(MSInterfaceInfo); - - 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(); - - MS_Device_ReturnCommandStatus(MSInterfaceInfo); - } - } - - if (MSInterfaceInfo->State.IsMassStoreReset) - { - Endpoint_ResetEndpoint(MSInterfaceInfo->Config.DataOUTEndpoint.Address); - Endpoint_ResetEndpoint(MSInterfaceInfo->Config.DataINEndpoint.Address); - - Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpoint.Address); - Endpoint_ClearStall(); - Endpoint_ResetDataToggle(); - Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpoint.Address); - Endpoint_ClearStall(); - Endpoint_ResetDataToggle(); - - MSInterfaceInfo->State.IsMassStoreReset = false; - } -} - -static bool MS_Device_ReadInCommandBlock(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) -{ - uint16_t BytesProcessed; - - Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpoint.Address); - - BytesProcessed = 0; - while (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock, - (sizeof(MS_CommandBlockWrapper_t) - 16), &BytesProcessed) == - ENDPOINT_RWSTREAM_IncompleteTransfer) - { - if (MSInterfaceInfo->State.IsMassStoreReset) - return false; - } - - if ((MSInterfaceInfo->State.CommandBlock.Signature != CPU_TO_LE32(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.DataINEndpoint.Address); - Endpoint_StallTransaction(); - - return false; - } - - BytesProcessed = 0; - while (Endpoint_Read_Stream_LE(&MSInterfaceInfo->State.CommandBlock.SCSICommandData, - MSInterfaceInfo->State.CommandBlock.SCSICommandLength, &BytesProcessed) == - ENDPOINT_RWSTREAM_IncompleteTransfer) - { - if (MSInterfaceInfo->State.IsMassStoreReset) - return false; - } - - Endpoint_ClearOUT(); - - return true; -} - -static void MS_Device_ReturnCommandStatus(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo) -{ - Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataOUTEndpoint.Address); - - while (Endpoint_IsStalled()) - { - #if !defined(INTERRUPT_CONTROL_ENDPOINT) - USB_USBTask(); - #endif - - if (MSInterfaceInfo->State.IsMassStoreReset) - return; - } - - Endpoint_SelectEndpoint(MSInterfaceInfo->Config.DataINEndpoint.Address); - - while (Endpoint_IsStalled()) - { - #if !defined(INTERRUPT_CONTROL_ENDPOINT) - USB_USBTask(); - #endif - - if (MSInterfaceInfo->State.IsMassStoreReset) - return; - } - - uint16_t BytesProcessed = 0; - while (Endpoint_Write_Stream_LE(&MSInterfaceInfo->State.CommandStatus, - sizeof(MS_CommandStatusWrapper_t), &BytesProcessed) == - ENDPOINT_RWSTREAM_IncompleteTransfer) - { - if (MSInterfaceInfo->State.IsMassStoreReset) - return; - } - - Endpoint_ClearIN(); -} - -#endif - |