X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/6bda628718f67c04ed43e8328f55bdce5319c504..a8b66f318dda3cc18dfcedaa3af3d01ab68b82e8:/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c diff --git a/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c b/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c index b94bbcac7..eb1d69fce 100644 --- a/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c +++ b/Demos/Host/LowLevel/MassStorageHost/Lib/MassStoreCommands.c @@ -1,21 +1,21 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* 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 @@ -46,7 +46,7 @@ * larger value in the project makefile and passing it to the compiler * via the -D switch. */ - + #define INCLUDE_FROM_MASSSTORE_COMMANDS_C #include "MassStoreCommands.h" @@ -63,7 +63,7 @@ static uint32_t MassStore_Tag = 1; * * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum */ -static uint8_t MassStore_SendCommand(CommandBlockWrapper_t* const SCSICommandBlock, +static uint8_t MassStore_SendCommand(MS_CommandBlockWrapper_t* const SCSICommandBlock, void* BufferPtr) { uint8_t ErrorCode = PIPE_RWSTREAM_NoError; @@ -80,18 +80,18 @@ static uint8_t MassStore_SendCommand(CommandBlockWrapper_t* const SCSICommandBlo Pipe_Unfreeze(); /* Write the CBW command to the OUT pipe */ - if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(CommandBlockWrapper_t))) != PIPE_RWSTREAM_NoError) + if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t))) != PIPE_RWSTREAM_NoError) return ErrorCode; /* Send the data in the OUT pipe to the attached device */ Pipe_ClearOUT(); - + /* Wait until command has been sent */ Pipe_WaitUntilReady(); /* Freeze pipe after use */ Pipe_Freeze(); - + /* Send data if any */ if ((BufferPtr != NULL) && ((ErrorCode = MassStore_SendReceiveData(SCSICommandBlock, BufferPtr)) != PIPE_READYWAIT_NoError)) @@ -99,7 +99,7 @@ static uint8_t MassStore_SendCommand(CommandBlockWrapper_t* const SCSICommandBlo Pipe_Freeze(); return ErrorCode; } - + return ErrorCode; } @@ -110,7 +110,8 @@ static uint8_t MassStore_SendCommand(CommandBlockWrapper_t* const SCSICommandBlo */ static uint8_t MassStore_WaitForDataReceived(void) { - uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS; + uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS; + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); /* Select the IN data pipe for data reception */ Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE); @@ -119,18 +120,20 @@ static uint8_t MassStore_WaitForDataReceived(void) /* Wait until data received in the IN pipe */ while (!(Pipe_IsINReceived())) { + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + /* Check to see if a new frame has been issued (1ms elapsed) */ - if (USB_INT_HasOccurred(USB_INT_HSOFI)) + if (CurrentFrameNumber != PreviousFrameNumber) { - /* Clear the flag and decrement the timeout period counter */ - USB_INT_Clear(USB_INT_HSOFI); + /* Save the new frame number and decrement the timeout period */ + PreviousFrameNumber = CurrentFrameNumber; TimeoutMSRem--; /* Check to see if the timeout period for the command has elapsed */ if (!(TimeoutMSRem)) return PIPE_RWSTREAM_Timeout; } - + Pipe_Freeze(); Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE); Pipe_Unfreeze(); @@ -143,7 +146,7 @@ static uint8_t MassStore_WaitForDataReceived(void) return PIPE_RWSTREAM_PipeStalled; } - + Pipe_Freeze(); Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE); Pipe_Unfreeze(); @@ -156,15 +159,15 @@ static uint8_t MassStore_WaitForDataReceived(void) return PIPE_RWSTREAM_PipeStalled; } - + /* Check to see if the device was disconnected, if so exit function */ if (USB_HostState == HOST_STATE_Unattached) return PIPE_RWSTREAM_DeviceDisconnected; }; - + Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE); Pipe_Freeze(); - + Pipe_SelectPipe(MASS_STORE_DATA_OUT_PIPE); Pipe_Freeze(); @@ -179,23 +182,23 @@ static uint8_t MassStore_WaitForDataReceived(void) * * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum */ -static uint8_t MassStore_SendReceiveData(CommandBlockWrapper_t* const SCSICommandBlock, +static uint8_t MassStore_SendReceiveData(MS_CommandBlockWrapper_t* const SCSICommandBlock, void* BufferPtr) { uint8_t ErrorCode = PIPE_RWSTREAM_NoError; uint16_t BytesRem = SCSICommandBlock->DataTransferLength; /* Check the direction of the SCSI command data stage */ - if (SCSICommandBlock->Flags & COMMAND_DIRECTION_DATA_IN) + if (SCSICommandBlock->Flags & MS_COMMAND_DIR_DATA_IN) { /* Wait until the device has replied with some data */ if ((ErrorCode = MassStore_WaitForDataReceived()) != PIPE_RWSTREAM_NoError) return ErrorCode; - + /* Select the IN data pipe for data reception */ Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE); Pipe_Unfreeze(); - + /* Read in the block data from the pipe */ if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError) return ErrorCode; @@ -215,14 +218,14 @@ static uint8_t MassStore_SendReceiveData(CommandBlockWrapper_t* const SCSIComman /* Acknowledge the packet */ Pipe_ClearOUT(); - + while (!(Pipe_IsOUTReady())) { if (USB_HostState == HOST_STATE_Unattached) return PIPE_RWSTREAM_DeviceDisconnected; } } - + /* Freeze used pipe after use */ Pipe_Freeze(); @@ -235,7 +238,7 @@ static uint8_t MassStore_SendReceiveData(CommandBlockWrapper_t* const SCSIComman * * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum, or MASS_STORE_SCSI_COMMAND_FAILED if the SCSI command fails */ -static uint8_t MassStore_GetReturnedStatus(CommandStatusWrapper_t* const SCSICommandStatus) +static uint8_t MassStore_GetReturnedStatus(MS_CommandStatusWrapper_t* const SCSICommandStatus) { uint8_t ErrorCode = PIPE_RWSTREAM_NoError; @@ -246,21 +249,21 @@ static uint8_t MassStore_GetReturnedStatus(CommandStatusWrapper_t* const SCSICom /* Select the IN data pipe for data reception */ Pipe_SelectPipe(MASS_STORE_DATA_IN_PIPE); Pipe_Unfreeze(); - + /* Load in the CSW from the attached device */ - if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(CommandStatusWrapper_t))) != PIPE_RWSTREAM_NoError) + if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t))) != PIPE_RWSTREAM_NoError) return ErrorCode; - + /* Clear the data ready for next reception */ Pipe_ClearIN(); - + /* Freeze the IN pipe after use */ Pipe_Freeze(); - + /* Check to see if command failed */ - if (SCSICommandStatus->Status != Command_Pass) + if (SCSICommandStatus->Status != MS_SCSI_COMMAND_Pass) ErrorCode = MASS_STORE_SCSI_COMMAND_FAILED; - + return ErrorCode; } @@ -274,12 +277,12 @@ uint8_t MassStore_MassStorageReset(void) USB_ControlRequest = (USB_Request_Header_t) { .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = REQ_MassStorageReset, + .bRequest = MS_REQ_MassStorageReset, .wValue = 0, .wIndex = 0, .wLength = 0, }; - + /* Select the control pipe for the request transfer */ Pipe_SelectPipe(PIPE_CONTROLPIPE); @@ -304,12 +307,12 @@ uint8_t MassStore_GetMaxLUN(uint8_t* const MaxLUNIndex) USB_ControlRequest = (USB_Request_Header_t) { .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = REQ_GetMaxLUN, + .bRequest = MS_REQ_GetMaxLUN, .wValue = 0, .wIndex = 0, .wLength = 1, }; - + /* Select the control pipe for the request transfer */ Pipe_SelectPipe(PIPE_CONTROLPIPE); @@ -317,14 +320,14 @@ uint8_t MassStore_GetMaxLUN(uint8_t* const MaxLUNIndex) { /* Clear the pipe stall */ Pipe_ClearStall(); - + /* Some faulty Mass Storage devices don't implement the GET_MAX_LUN request, so assume a single LUN */ *MaxLUNIndex = 0; - + /* Clear the error, and pretend the request executed correctly if the device STALLed it */ ErrorCode = HOST_SENDCONTROL_Successful; } - + return ErrorCode; } @@ -342,11 +345,11 @@ uint8_t MassStore_Inquiry(const uint8_t LUNIndex, uint8_t ErrorCode = PIPE_RWSTREAM_NoError; /* Create a CBW with a SCSI command to issue INQUIRY command */ - CommandBlockWrapper_t SCSICommandBlock = (CommandBlockWrapper_t) + MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { - .Signature = CBW_SIGNATURE, + .Signature = MS_CBW_SIGNATURE, .DataTransferLength = sizeof(SCSI_Inquiry_Response_t), - .Flags = COMMAND_DIRECTION_DATA_IN, + .Flags = MS_COMMAND_DIR_DATA_IN, .LUN = LUNIndex, .SCSICommandLength = 6, .SCSICommandData = @@ -359,8 +362,8 @@ uint8_t MassStore_Inquiry(const uint8_t LUNIndex, 0x00 // Unused (control) } }; - - CommandStatusWrapper_t SCSICommandStatus; + + MS_CommandStatusWrapper_t SCSICommandStatus; /* Send the command and any data to the attached device */ if ((ErrorCode = MassStore_SendCommand(&SCSICommandBlock, InquiryPtr)) != PIPE_RWSTREAM_NoError) @@ -368,7 +371,7 @@ uint8_t MassStore_Inquiry(const uint8_t LUNIndex, Pipe_Freeze(); return ErrorCode; } - + /* Retrieve status information from the attached device */ if ((ErrorCode = MassStore_GetReturnedStatus(&SCSICommandStatus)) != PIPE_RWSTREAM_NoError) { @@ -393,11 +396,11 @@ uint8_t MassStore_RequestSense(const uint8_t LUNIndex, uint8_t ErrorCode = PIPE_RWSTREAM_NoError; /* Create a CBW with a SCSI command to issue REQUEST SENSE command */ - CommandBlockWrapper_t SCSICommandBlock = (CommandBlockWrapper_t) + MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { - .Signature = CBW_SIGNATURE, + .Signature = MS_CBW_SIGNATURE, .DataTransferLength = sizeof(SCSI_Request_Sense_Response_t), - .Flags = COMMAND_DIRECTION_DATA_IN, + .Flags = MS_COMMAND_DIR_DATA_IN, .LUN = LUNIndex, .SCSICommandLength = 6, .SCSICommandData = @@ -410,8 +413,8 @@ uint8_t MassStore_RequestSense(const uint8_t LUNIndex, 0x00 // Unused (control) } }; - - CommandStatusWrapper_t SCSICommandStatus; + + MS_CommandStatusWrapper_t SCSICommandStatus; /* Send the command and any data to the attached device */ if ((ErrorCode = MassStore_SendCommand(&SCSICommandBlock, SensePtr)) != PIPE_RWSTREAM_NoError) @@ -419,7 +422,7 @@ uint8_t MassStore_RequestSense(const uint8_t LUNIndex, Pipe_Freeze(); return ErrorCode; } - + /* Retrieve status information from the attached device */ if ((ErrorCode = MassStore_GetReturnedStatus(&SCSICommandStatus)) != PIPE_RWSTREAM_NoError) { @@ -450,11 +453,11 @@ uint8_t MassStore_ReadDeviceBlock(const uint8_t LUNIndex, uint8_t ErrorCode = PIPE_RWSTREAM_NoError; /* Create a CBW with a SCSI command to read in the given blocks from the device */ - CommandBlockWrapper_t SCSICommandBlock = (CommandBlockWrapper_t) + MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { - .Signature = CBW_SIGNATURE, + .Signature = MS_CBW_SIGNATURE, .DataTransferLength = ((uint32_t)Blocks * BlockSize), - .Flags = COMMAND_DIRECTION_DATA_IN, + .Flags = MS_COMMAND_DIR_DATA_IN, .LUN = LUNIndex, .SCSICommandLength = 10, .SCSICommandData = @@ -465,14 +468,14 @@ uint8_t MassStore_ReadDeviceBlock(const uint8_t LUNIndex, (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) } }; - - CommandStatusWrapper_t SCSICommandStatus; + + MS_CommandStatusWrapper_t SCSICommandStatus; /* Send the command and any data to the attached device */ if ((ErrorCode = MassStore_SendCommand(&SCSICommandBlock, BufferPtr)) != PIPE_RWSTREAM_NoError) @@ -480,7 +483,7 @@ uint8_t MassStore_ReadDeviceBlock(const uint8_t LUNIndex, Pipe_Freeze(); return ErrorCode; } - + /* Retrieve status information from the attached device */ if ((ErrorCode = MassStore_GetReturnedStatus(&SCSICommandStatus)) != PIPE_RWSTREAM_NoError) { @@ -511,11 +514,11 @@ uint8_t MassStore_WriteDeviceBlock(const uint8_t LUNIndex, uint8_t ErrorCode = PIPE_RWSTREAM_NoError; /* Create a CBW with a SCSI command to write the given blocks to the device */ - CommandBlockWrapper_t SCSICommandBlock = (CommandBlockWrapper_t) + MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { - .Signature = CBW_SIGNATURE, + .Signature = MS_CBW_SIGNATURE, .DataTransferLength = ((uint32_t)Blocks * BlockSize), - .Flags = COMMAND_DIRECTION_DATA_OUT, + .Flags = MS_COMMAND_DIR_DATA_OUT, .LUN = LUNIndex, .SCSICommandLength = 10, .SCSICommandData = @@ -532,8 +535,8 @@ uint8_t MassStore_WriteDeviceBlock(const uint8_t LUNIndex, 0x00 // Unused (control) } }; - - CommandStatusWrapper_t SCSICommandStatus; + + MS_CommandStatusWrapper_t SCSICommandStatus; /* Send the command and any data to the attached device */ if ((ErrorCode = MassStore_SendCommand(&SCSICommandBlock, BufferPtr)) != PIPE_RWSTREAM_NoError) @@ -541,7 +544,7 @@ uint8_t MassStore_WriteDeviceBlock(const uint8_t LUNIndex, Pipe_Freeze(); return ErrorCode; } - + /* Retrieve status information from the attached device */ if ((ErrorCode = MassStore_GetReturnedStatus(&SCSICommandStatus)) != PIPE_RWSTREAM_NoError) { @@ -561,14 +564,14 @@ uint8_t MassStore_WriteDeviceBlock(const uint8_t LUNIndex, */ uint8_t MassStore_TestUnitReady(const uint8_t LUNIndex) { - uint8_t ErrorCode = PIPE_RWSTREAM_NoError; + uint8_t ErrorCode = PIPE_RWSTREAM_NoError; /* Create a CBW with a SCSI command to issue TEST UNIT READY command */ - CommandBlockWrapper_t SCSICommandBlock = (CommandBlockWrapper_t) + MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { - .Signature = CBW_SIGNATURE, + .Signature = MS_CBW_SIGNATURE, .DataTransferLength = 0, - .Flags = COMMAND_DIRECTION_DATA_IN, + .Flags = MS_COMMAND_DIR_DATA_IN, .LUN = LUNIndex, .SCSICommandLength = 6, .SCSICommandData = @@ -581,8 +584,8 @@ uint8_t MassStore_TestUnitReady(const uint8_t LUNIndex) 0x00 // Unused (control) } }; - - CommandStatusWrapper_t SCSICommandStatus; + + MS_CommandStatusWrapper_t SCSICommandStatus; /* Send the command and any data to the attached device */ if ((ErrorCode = MassStore_SendCommand(&SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError) @@ -590,7 +593,7 @@ uint8_t MassStore_TestUnitReady(const uint8_t LUNIndex) Pipe_Freeze(); return ErrorCode; } - + /* Retrieve status information from the attached device */ if ((ErrorCode = MassStore_GetReturnedStatus(&SCSICommandStatus)) != PIPE_RWSTREAM_NoError) { @@ -615,11 +618,11 @@ uint8_t MassStore_ReadCapacity(const uint8_t LUNIndex, uint8_t ErrorCode = PIPE_RWSTREAM_NoError; /* Create a CBW with a SCSI command to issue READ CAPACITY command */ - CommandBlockWrapper_t SCSICommandBlock = (CommandBlockWrapper_t) + MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { - .Signature = CBW_SIGNATURE, + .Signature = MS_CBW_SIGNATURE, .DataTransferLength = sizeof(SCSI_Capacity_t), - .Flags = COMMAND_DIRECTION_DATA_IN, + .Flags = MS_COMMAND_DIR_DATA_IN, .LUN = LUNIndex, .SCSICommandLength = 10, .SCSICommandData = @@ -636,8 +639,8 @@ uint8_t MassStore_ReadCapacity(const uint8_t LUNIndex, 0x00 // Unused (control) } }; - - CommandStatusWrapper_t SCSICommandStatus; + + MS_CommandStatusWrapper_t SCSICommandStatus; /* Send the command and any data to the attached device */ if ((ErrorCode = MassStore_SendCommand(&SCSICommandBlock, CapacityPtr)) != PIPE_RWSTREAM_NoError) @@ -645,11 +648,11 @@ uint8_t MassStore_ReadCapacity(const uint8_t LUNIndex, Pipe_Freeze(); return ErrorCode; } - + /* Endian-correct the read data */ CapacityPtr->Blocks = SwapEndian_32(CapacityPtr->Blocks); CapacityPtr->BlockSize = SwapEndian_32(CapacityPtr->BlockSize); - + /* Retrieve status information from the attached device */ if ((ErrorCode = MassStore_GetReturnedStatus(&SCSICommandStatus)) != PIPE_RWSTREAM_NoError) { @@ -675,11 +678,11 @@ uint8_t MassStore_PreventAllowMediumRemoval(const uint8_t LUNIndex, uint8_t ErrorCode = PIPE_RWSTREAM_NoError; /* Create a CBW with a SCSI command to issue PREVENT ALLOW MEDIUM REMOVAL command */ - CommandBlockWrapper_t SCSICommandBlock = (CommandBlockWrapper_t) + MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t) { - .Signature = CBW_SIGNATURE, + .Signature = MS_CBW_SIGNATURE, .DataTransferLength = 0, - .Flags = COMMAND_DIRECTION_DATA_OUT, + .Flags = MS_COMMAND_DIR_DATA_OUT, .LUN = LUNIndex, .SCSICommandLength = 6, .SCSICommandData = @@ -692,8 +695,8 @@ uint8_t MassStore_PreventAllowMediumRemoval(const uint8_t LUNIndex, 0x00 // Unused (control) } }; - - CommandStatusWrapper_t SCSICommandStatus; + + MS_CommandStatusWrapper_t SCSICommandStatus; /* Send the command and any data to the attached device */ if ((ErrorCode = MassStore_SendCommand(&SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError) @@ -701,7 +704,7 @@ uint8_t MassStore_PreventAllowMediumRemoval(const uint8_t LUNIndex, Pipe_Freeze(); return ErrorCode; } - + /* Retrieve status information from the attached device */ if ((ErrorCode = MassStore_GetReturnedStatus(&SCSICommandStatus)) != PIPE_RWSTREAM_NoError) { @@ -711,3 +714,4 @@ uint8_t MassStore_PreventAllowMediumRemoval(const uint8_t LUNIndex, return ErrorCode; } +