X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/071e02c6b6b4837fa9cf0b6d4c749994e02638d7..bd337aced3b1888373030878bf1a49367bc37ab5:/LUFA/Drivers/USB/Class/Host/MassStorage.c diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.c b/LUFA/Drivers/USB/Class/Host/MassStorage.c index 6e84d07b8..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 @@ -36,59 +36,74 @@ #define __INCLUDE_FROM_MS_DRIVER #include "MassStorage.h" -uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint16_t ConfigDescriptorSize, - void* DeviceConfigDescriptor) +uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) { - uint8_t FoundEndpoints = 0; - + USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; + USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; + USB_Descriptor_Interface_t* MassStorageInterface = NULL; + memset(&MSInterfaceInfo->State, 0x00, sizeof(MSInterfaceInfo->State)); - if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration) + if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) return MS_ENUMERROR_InvalidConfigDescriptor; - - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor, - DComp_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return MS_ENUMERROR_NoMSInterfaceFound; - } - MSInterfaceInfo->State.InterfaceNumber = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t)->InterfaceNumber; - - while (FoundEndpoints != (MS_FOUND_DATAPIPE_IN | MS_FOUND_DATAPIPE_OUT)) + while (!(DataINEndpoint) || !(DataOUTEndpoint)) { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor, - DComp_NextMSInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + if (!(MassStorageInterface) || + USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_MS_Host_NextMSInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { - return MS_ENUMERROR_EndpointsNotFound; + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_MS_Host_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return MS_ENUMERROR_NoCompatibleInterfaceFound; + } + + MassStorageInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); + + DataINEndpoint = NULL; + DataOUTEndpoint = NULL; + + continue; } - - USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t); + + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) + DataINEndpoint = EndpointData; + else + DataOUTEndpoint = EndpointData; + } + + for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) + { + if (PipeNum == MSInterfaceInfo->Config.DataINPipeNumber) { - Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, + 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 = EndpointData->EndpointSize; - FoundEndpoints |= MS_FOUND_DATAPIPE_IN; + MSInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; } - else + else if (PipeNum == MSInterfaceInfo->Config.DataOUTPipeNumber) { - Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, - EndpointData->EndpointAddress, EndpointData->EndpointSize, + 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 = EndpointData->EndpointSize; - FoundEndpoints |= MS_FOUND_DATAPIPE_OUT; - } + MSInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; + } } + MSInterfaceInfo->State.InterfaceNumber = MassStorageInterface->InterfaceNumber; MSInterfaceInfo->State.IsActive = true; + return MS_ENUMERROR_NoError; } -static uint8_t DComp_NextMSInterface(void* const CurrentDescriptor) +static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { @@ -102,11 +117,11 @@ static uint8_t DComp_NextMSInterface(void* const CurrentDescriptor) return DESCRIPTOR_SEARCH_Found; } } - + return DESCRIPTOR_SEARCH_NotFound; } -static uint8_t DComp_NextMSInterfaceEndpoint(void* const CurrentDescriptor) +static uint8_t DCOMP_MS_Host_NextMSInterfaceEndpoint(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) { @@ -129,7 +144,8 @@ static uint8_t DComp_NextMSInterfaceEndpoint(void* const CurrentDescriptor) return DESCRIPTOR_SEARCH_NotFound; } -static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, MS_CommandBlockWrapper_t* const SCSICommandBlock, +static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + MS_CommandBlockWrapper_t* const SCSICommandBlock, const void* const BufferPtr) { uint8_t ErrorCode = PIPE_RWSTREAM_NoError; @@ -158,28 +174,30 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInf Pipe_Freeze(); return ErrorCode; } - + return ErrorCode; } static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) { - uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS; + uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS; + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber); Pipe_Unfreeze(); while (!(Pipe_IsINReceived())) { - if (USB_INT_HasOccurred(USB_INT_HSOFI)) + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) { - USB_INT_Clear(USB_INT_HSOFI); - TimeoutMSRem--; + PreviousFrameNumber = CurrentFrameNumber; - if (!(TimeoutMSRem)) + if (!(TimeoutMSRem--)) return PIPE_RWSTREAM_Timeout; } - + Pipe_Freeze(); Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber); Pipe_Unfreeze(); @@ -190,7 +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(); @@ -201,14 +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(); @@ -216,7 +234,8 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte } static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, - MS_CommandBlockWrapper_t* const SCSICommandBlock, void* BufferPtr) + MS_CommandBlockWrapper_t* const SCSICommandBlock, + void* BufferPtr) { uint8_t ErrorCode = PIPE_RWSTREAM_NoError; uint16_t BytesRem = SCSICommandBlock->DataTransferLength; @@ -231,7 +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; @@ -246,7 +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) @@ -269,19 +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 != SCSI_Command_Pass) + + if (SCSICommandStatus->Status != MS_SCSI_COMMAND_Pass) ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED; - + return ErrorCode; } @@ -295,13 +314,14 @@ 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); } -uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint8_t* const MaxLUNIndex) +uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + uint8_t* const MaxLUNIndex) { uint8_t ErrorCode = HOST_SENDCONTROL_Successful; @@ -313,7 +333,7 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint8_ .wIndex = MSInterfaceInfo->State.InterfaceNumber, .wLength = 1, }; - + Pipe_SelectPipe(PIPE_CONTROLPIPE); if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) != HOST_SENDCONTROL_Successful) @@ -321,16 +341,17 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint8_ *MaxLUNIndex = 0; ErrorCode = HOST_SENDCONTROL_Successful; } - + return ErrorCode; } -uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, +uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + const uint8_t LUNIndex, SCSI_Inquiry_Response_t* const InquiryData) { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) return HOST_SENDCONTROL_DeviceDisconnected; - + uint8_t ErrorCode; MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) @@ -349,24 +370,25 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, c 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; return PIPE_RWSTREAM_NoError; } -uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex) +uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + const uint8_t LUNIndex) { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) return HOST_SENDCONTROL_DeviceDisconnected; - uint8_t ErrorCode; + uint8_t ErrorCode; MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { @@ -384,19 +406,20 @@ uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, co 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; return PIPE_RWSTREAM_NoError; } -uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, +uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + const uint8_t LUNIndex, SCSI_Capacity_t* const DeviceCapacity) { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) @@ -424,7 +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) @@ -432,14 +455,15 @@ 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; return PIPE_RWSTREAM_NoError; } -uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, +uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + const uint8_t LUNIndex, SCSI_Request_Sense_Response_t* const SenseData) { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) @@ -463,7 +487,7 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, con 0x00 // Unused (control) } }; - + MS_CommandStatusWrapper_t SCSICommandStatus; if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError) @@ -475,7 +499,8 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, con return PIPE_RWSTREAM_NoError; } -uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, +uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + const uint8_t LUNIndex, const bool PreventRemoval) { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) @@ -499,20 +524,24 @@ 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; return PIPE_RWSTREAM_NoError; } -uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, const uint32_t BlockAddress, - const uint8_t Blocks, const uint16_t BlockSize, void* BlockBuffer) +uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + const uint8_t LUNIndex, + const uint32_t BlockAddress, + const uint8_t Blocks, + const uint16_t BlockSize, + void* BlockBuffer) { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) return HOST_SENDCONTROL_DeviceDisconnected; @@ -533,7 +562,7 @@ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, (BlockAddress >> 16), (BlockAddress >> 8), (BlockAddress & 0xFF), // LSB of Block Address - 0x00, // Unused (reserved) + 0x00, // Reserved 0x00, // MSB of Total Blocks to Read Blocks, // LSB of Total Blocks to Read 0x00 // Unused (control) @@ -551,8 +580,12 @@ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, return PIPE_RWSTREAM_NoError; } -uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, const uint32_t BlockAddress, - const uint8_t Blocks, const uint16_t BlockSize, const void* BlockBuffer) +uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, + const uint8_t LUNIndex, + const uint32_t BlockAddress, + const uint8_t Blocks, + const uint16_t BlockSize, + const void* BlockBuffer) { if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive)) return HOST_SENDCONTROL_DeviceDisconnected; @@ -573,7 +606,7 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo (BlockAddress >> 16), (BlockAddress >> 8), (BlockAddress & 0xFF), // LSB of Block Address - 0x00, // Unused (reserved) + 0x00, // Reserved 0x00, // MSB of Total Blocks to Write Blocks, // LSB of Total Blocks to Write 0x00 // Unused (control) @@ -584,7 +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; @@ -592,3 +625,4 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo } #endif +