diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/MassStorage.c')
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/MassStorage.c | 85 |
1 files changed, 43 insertions, 42 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.c b/LUFA/Drivers/USB/Class/Host/MassStorage.c index 2d7956e9f..26d096b4f 100644 --- a/LUFA/Drivers/USB/Class/Host/MassStorage.c +++ b/LUFA/Drivers/USB/Class/Host/MassStorage.c @@ -1,7 +1,7 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ @@ -9,13 +9,13 @@ /* Copyright 2010 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 @@ -68,7 +68,7 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, continue; } - + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) @@ -76,7 +76,7 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, else DataOUTEndpoint = EndpointData; } - + for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) { if (PipeNum == MSInterfaceInfo->Config.DataINPipeNumber) @@ -84,16 +84,16 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_IN, DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, MSInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - - MSInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; + + MSInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; } else if (PipeNum == MSInterfaceInfo->Config.DataOUTPipeNumber) { Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_OUT, DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, MSInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - - MSInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; + + MSInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; } } @@ -117,7 +117,7 @@ static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor) return DESCRIPTOR_SEARCH_Found; } } - + return DESCRIPTOR_SEARCH_NotFound; } @@ -174,7 +174,7 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInf Pipe_Freeze(); return ErrorCode; } - + return ErrorCode; } @@ -189,7 +189,7 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte while (!(Pipe_IsINReceived())) { uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); - + if (CurrentFrameNumber != PreviousFrameNumber) { PreviousFrameNumber = CurrentFrameNumber; @@ -197,7 +197,7 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte if (!(TimeoutMSRem--)) return PIPE_RWSTREAM_Timeout; } - + Pipe_Freeze(); Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber); Pipe_Unfreeze(); @@ -208,7 +208,7 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte return PIPE_RWSTREAM_PipeStalled; } - + Pipe_Freeze(); Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber); Pipe_Unfreeze(); @@ -219,14 +219,14 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte return PIPE_RWSTREAM_PipeStalled; } - + if (USB_HostState == HOST_STATE_Unattached) return PIPE_RWSTREAM_DeviceDisconnected; }; - + Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber); Pipe_Freeze(); - + Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber); Pipe_Freeze(); @@ -250,7 +250,7 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfac Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber); Pipe_Unfreeze(); - + if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) return ErrorCode; @@ -265,7 +265,7 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfac return ErrorCode; Pipe_ClearOUT(); - + while (!(Pipe_IsOUTReady())) { if (USB_HostState == HOST_STATE_Unattached) @@ -288,19 +288,19 @@ static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterf Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber); Pipe_Unfreeze(); - + if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t), NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError) { return ErrorCode; } - + Pipe_ClearIN(); Pipe_Freeze(); - + if (SCSICommandStatus->Status != MS_SCSI_COMMAND_Pass) ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED; - + return ErrorCode; } @@ -314,7 +314,7 @@ uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) .wIndex = MSInterfaceInfo->State.InterfaceNumber, .wLength = 0, }; - + Pipe_SelectPipe(PIPE_CONTROLPIPE); return USB_Host_SendControlRequest(NULL); @@ -333,7 +333,7 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, .wIndex = MSInterfaceInfo->State.InterfaceNumber, .wLength = 1, }; - + Pipe_SelectPipe(PIPE_CONTROLPIPE); if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) != HOST_SENDCONTROL_Successful) @@ -341,7 +341,7 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, *MaxLUNIndex = 0; ErrorCode = HOST_SENDCONTROL_Successful; } - + return ErrorCode; } @@ -351,7 +351,7 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) return HOST_SENDCONTROL_DeviceDisconnected; - + uint8_t ErrorCode; MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) @@ -370,12 +370,12 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, 0x00 // Unused (control) } }; - + MS_CommandStatusWrapper_t SCSICommandStatus; if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, InquiryData)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - + return ErrorCode; + if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError) return ErrorCode; @@ -406,12 +406,12 @@ uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, 0x00 // Unused (control) } }; - + MS_CommandStatusWrapper_t SCSICommandStatus; if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError) - return ErrorCode; - + return ErrorCode; + if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError) return ErrorCode; @@ -447,7 +447,7 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInf 0x00 // Unused (control) } }; - + MS_CommandStatusWrapper_t SCSICommandStatus; if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError) @@ -455,7 +455,7 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInf SwapEndian_n(&DeviceCapacity->Blocks, sizeof(DeviceCapacity->Blocks)); SwapEndian_n(&DeviceCapacity->BlockSize, sizeof(DeviceCapacity->BlockSize)); - + if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError) return ErrorCode; @@ -487,7 +487,7 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, 0x00 // Unused (control) } }; - + MS_CommandStatusWrapper_t SCSICommandStatus; if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError) @@ -524,12 +524,12 @@ uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInter 0x00 // Unused (control) } }; - + MS_CommandStatusWrapper_t SCSICommandStatus; if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError) return ErrorCode; - + if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError) return ErrorCode; @@ -617,7 +617,7 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer)) != PIPE_RWSTREAM_NoError) return ErrorCode; - + if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError) return ErrorCode; @@ -625,3 +625,4 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo } #endif + |