You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
607 lines
20 KiB
607 lines
20 KiB
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2009.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.fourwalledcubicle.com
|
|
*/
|
|
|
|
/*
|
|
Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
|
|
|
|
Permission to use, copy, modify, and distribute this software
|
|
and its documentation for any purpose and without fee is hereby
|
|
granted, 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.
|
|
*/
|
|
|
|
#include "../../HighLevel/USBMode.h"
|
|
#if defined(USB_CAN_BE_HOST)
|
|
|
|
#define INCLUDE_FROM_MS_CLASS_HOST_C
|
|
#include "MassStorage.h"
|
|
|
|
uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_t ConfigDescriptorLength,
|
|
uint8_t* DeviceConfigDescriptor)
|
|
{
|
|
uint8_t FoundEndpoints = 0;
|
|
|
|
memset(&MSInterfaceInfo->State, 0x00, sizeof(MSInterfaceInfo->State));
|
|
|
|
if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
|
|
return MS_ENUMERROR_InvalidConfigDescriptor;
|
|
|
|
if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &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))
|
|
{
|
|
if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &DeviceConfigDescriptor,
|
|
DComp_NextMSInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
|
|
{
|
|
return MS_ENUMERROR_EndpointsNotFound;
|
|
}
|
|
|
|
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Endpoint_t);
|
|
|
|
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
|
|
{
|
|
Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
|
|
EndpointData->EndpointAddress, EndpointData->EndpointSize,
|
|
PIPE_BANK_DOUBLE);
|
|
MSInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
|
|
|
|
FoundEndpoints |= MS_FOUND_DATAPIPE_IN;
|
|
}
|
|
else
|
|
{
|
|
Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
|
|
EndpointData->EndpointAddress, EndpointData->EndpointSize,
|
|
PIPE_BANK_DOUBLE);
|
|
MSInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
|
|
|
|
FoundEndpoints |= MS_FOUND_DATAPIPE_OUT;
|
|
}
|
|
}
|
|
|
|
MSInterfaceInfo->State.IsActive = true;
|
|
return MS_ENUMERROR_NoError;
|
|
}
|
|
|
|
static uint8_t DComp_NextMSInterface(void* CurrentDescriptor)
|
|
{
|
|
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
|
|
{
|
|
USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
|
|
USB_Descriptor_Interface_t);
|
|
|
|
if ((CurrentInterface->Class == MASS_STORE_CLASS) &&
|
|
(CurrentInterface->SubClass == MASS_STORE_SUBCLASS) &&
|
|
(CurrentInterface->Protocol == MASS_STORE_PROTOCOL))
|
|
{
|
|
return DESCRIPTOR_SEARCH_Found;
|
|
}
|
|
}
|
|
|
|
return DESCRIPTOR_SEARCH_NotFound;
|
|
}
|
|
|
|
static uint8_t DComp_NextMSInterfaceEndpoint(void* CurrentDescriptor)
|
|
{
|
|
if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
|
|
{
|
|
USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
|
|
USB_Descriptor_Endpoint_t);
|
|
|
|
uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
|
|
|
|
if ((EndpointType == EP_TYPE_BULK) &&
|
|
(!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))))
|
|
{
|
|
return DESCRIPTOR_SEARCH_Found;
|
|
}
|
|
}
|
|
else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
|
|
{
|
|
return DESCRIPTOR_SEARCH_Fail;
|
|
}
|
|
|
|
return DESCRIPTOR_SEARCH_NotFound;
|
|
}
|
|
|
|
void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)
|
|
{
|
|
|
|
}
|
|
|
|
static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, MS_CommandBlockWrapper_t* SCSICommandBlock,
|
|
void* BufferPtr)
|
|
{
|
|
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
|
|
|
|
SCSICommandBlock->Tag = ++MSInterfaceInfo->State.TransactionTag;
|
|
|
|
if (MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)
|
|
MSInterfaceInfo->State.TransactionTag = 1;
|
|
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
|
|
Pipe_Unfreeze();
|
|
|
|
if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),
|
|
NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
|
|
return ErrorCode;
|
|
|
|
Pipe_ClearOUT();
|
|
Pipe_WaitUntilReady();
|
|
|
|
Pipe_Freeze();
|
|
|
|
if ((BufferPtr != NULL) &&
|
|
((ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, SCSICommandBlock, BufferPtr)) != PIPE_RWSTREAM_NoError))
|
|
{
|
|
Pipe_Freeze();
|
|
return ErrorCode;
|
|
}
|
|
|
|
return ErrorCode;
|
|
}
|
|
|
|
static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)
|
|
{
|
|
uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;
|
|
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
|
|
Pipe_Unfreeze();
|
|
|
|
while (!(Pipe_IsINReceived()))
|
|
{
|
|
if (USB_INT_HasOccurred(USB_INT_HSOFI))
|
|
{
|
|
USB_INT_Clear(USB_INT_HSOFI);
|
|
TimeoutMSRem--;
|
|
|
|
if (!(TimeoutMSRem))
|
|
return PIPE_RWSTREAM_Timeout;
|
|
}
|
|
|
|
Pipe_Freeze();
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
|
|
Pipe_Unfreeze();
|
|
|
|
if (Pipe_IsStalled())
|
|
{
|
|
USB_Host_ClearPipeStall(MSInterfaceInfo->Config.DataOUTPipeNumber);
|
|
|
|
return PIPE_RWSTREAM_PipeStalled;
|
|
}
|
|
|
|
Pipe_Freeze();
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
|
|
Pipe_Unfreeze();
|
|
|
|
if (Pipe_IsStalled())
|
|
{
|
|
USB_Host_ClearPipeStall(MSInterfaceInfo->Config.DataINPipeNumber);
|
|
|
|
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();
|
|
|
|
return PIPE_RWSTREAM_NoError;
|
|
}
|
|
|
|
static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,
|
|
MS_CommandBlockWrapper_t* SCSICommandBlock, void* BufferPtr)
|
|
{
|
|
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
|
|
uint16_t BytesRem = SCSICommandBlock->DataTransferLength;
|
|
|
|
if (SCSICommandBlock->Flags & COMMAND_DIRECTION_DATA_IN)
|
|
{
|
|
if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
|
|
{
|
|
Pipe_Freeze();
|
|
return ErrorCode;
|
|
}
|
|
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
|
|
Pipe_Unfreeze();
|
|
|
|
if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
|
|
return ErrorCode;
|
|
|
|
Pipe_ClearIN();
|
|
}
|
|
else
|
|
{
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
|
|
Pipe_Unfreeze();
|
|
|
|
if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
|
|
return ErrorCode;
|
|
|
|
Pipe_ClearOUT();
|
|
|
|
while (!(Pipe_IsOUTReady()))
|
|
{
|
|
if (USB_HostState == HOST_STATE_Unattached)
|
|
return PIPE_RWSTREAM_DeviceDisconnected;
|
|
}
|
|
}
|
|
|
|
Pipe_Freeze();
|
|
|
|
return ErrorCode;
|
|
}
|
|
|
|
static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,
|
|
MS_CommandStatusWrapper_t* SCSICommandStatus)
|
|
{
|
|
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
|
|
|
|
if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
|
|
return ErrorCode;
|
|
|
|
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)
|
|
ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
|
|
|
|
return ErrorCode;
|
|
}
|
|
|
|
uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
USB_ControlRequest = (USB_Request_Header_t)
|
|
{
|
|
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
|
|
.bRequest = REQ_MassStorageReset,
|
|
.wValue = 0,
|
|
.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* MSInterfaceInfo, uint8_t* MaxLUNIndex)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
USB_ControlRequest = (USB_Request_Header_t)
|
|
{
|
|
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
|
|
.bRequest = REQ_GetMaxLUN,
|
|
.wValue = 0,
|
|
.wIndex = MSInterfaceInfo->State.InterfaceNumber,
|
|
.wLength = 1,
|
|
};
|
|
|
|
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
|
|
|
if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) == HOST_SENDCONTROL_SetupStalled)
|
|
{
|
|
Pipe_ClearStall();
|
|
|
|
*MaxLUNIndex = 0;
|
|
}
|
|
|
|
return HOST_SENDCONTROL_SetupStalled;
|
|
}
|
|
|
|
uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, SCSI_Inquiry_Response_t* InquiryData)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
|
{
|
|
.Signature = CBW_SIGNATURE,
|
|
.DataTransferLength = sizeof(SCSI_Inquiry_Response_t),
|
|
.Flags = COMMAND_DIRECTION_DATA_IN,
|
|
.LUN = LUNIndex,
|
|
.SCSICommandLength = 6,
|
|
.SCSICommandData =
|
|
{
|
|
SCSI_CMD_INQUIRY,
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
sizeof(SCSI_Inquiry_Response_t), // Allocation Length
|
|
0x00 // Unused (control)
|
|
}
|
|
};
|
|
|
|
MS_CommandStatusWrapper_t SCSICommandStatus;
|
|
|
|
if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, InquiryData)) != 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_TestUnitReady(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
|
{
|
|
.Signature = CBW_SIGNATURE,
|
|
.DataTransferLength = 0,
|
|
.Flags = COMMAND_DIRECTION_DATA_IN,
|
|
.LUN = LUNIndex,
|
|
.SCSICommandLength = 6,
|
|
.SCSICommandData =
|
|
{
|
|
SCSI_CMD_TEST_UNIT_READY,
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
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_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex,
|
|
SCSI_Capacity_t* DeviceCapacity)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
|
{
|
|
.Signature = CBW_SIGNATURE,
|
|
.DataTransferLength = sizeof(SCSI_Capacity_t),
|
|
.Flags = COMMAND_DIRECTION_DATA_IN,
|
|
.LUN = LUNIndex,
|
|
.SCSICommandLength = 10,
|
|
.SCSICommandData =
|
|
{
|
|
SCSI_CMD_READ_CAPACITY_10,
|
|
0x00, // Reserved
|
|
0x00, // MSB of Logical block address
|
|
0x00,
|
|
0x00,
|
|
0x00, // LSB of Logical block address
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
0x00, // Partial Medium Indicator
|
|
0x00 // Unused (control)
|
|
}
|
|
};
|
|
|
|
MS_CommandStatusWrapper_t SCSICommandStatus;
|
|
|
|
if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)
|
|
return ErrorCode;
|
|
|
|
DeviceCapacity->Blocks = SwapEndian_32(DeviceCapacity->Blocks);
|
|
DeviceCapacity->BlockSize = SwapEndian_32(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* MSInterfaceInfo, uint8_t LUNIndex,
|
|
SCSI_Request_Sense_Response_t* SenseData)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
|
{
|
|
.Signature = CBW_SIGNATURE,
|
|
.DataTransferLength = sizeof(SCSI_Request_Sense_Response_t),
|
|
.Flags = COMMAND_DIRECTION_DATA_IN,
|
|
.LUN = LUNIndex,
|
|
.SCSICommandLength = 6,
|
|
.SCSICommandData =
|
|
{
|
|
SCSI_CMD_REQUEST_SENSE,
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
sizeof(SCSI_Request_Sense_Response_t), // Allocation Length
|
|
0x00 // Unused (control)
|
|
}
|
|
};
|
|
|
|
MS_CommandStatusWrapper_t SCSICommandStatus;
|
|
|
|
if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != 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_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, bool PreventRemoval)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
|
{
|
|
.Signature = CBW_SIGNATURE,
|
|
.DataTransferLength = 0,
|
|
.Flags = COMMAND_DIRECTION_DATA_OUT,
|
|
.LUN = LUNIndex,
|
|
.SCSICommandLength = 6,
|
|
.SCSICommandData =
|
|
{
|
|
SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL,
|
|
0x00, // Reserved
|
|
0x00, // Reserved
|
|
PreventRemoval, // Prevent flag
|
|
0x00, // Reserved
|
|
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* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress,
|
|
uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
|
{
|
|
.Signature = CBW_SIGNATURE,
|
|
.DataTransferLength = ((uint32_t)Blocks * BlockSize),
|
|
.Flags = COMMAND_DIRECTION_DATA_IN,
|
|
.LUN = LUNIndex,
|
|
.SCSICommandLength = 10,
|
|
.SCSICommandData =
|
|
{
|
|
SCSI_CMD_READ_10,
|
|
0x00, // Unused (control bits, all off)
|
|
(BlockAddress >> 24), // MSB of Block Address
|
|
(BlockAddress >> 16),
|
|
(BlockAddress >> 8),
|
|
(BlockAddress & 0xFF), // LSB of Block Address
|
|
0x00, // Unused (reserved)
|
|
0x00, // MSB of Total Blocks to Read
|
|
Blocks, // LSB of Total Blocks to Read
|
|
0x00 // Unused (control)
|
|
}
|
|
};
|
|
|
|
MS_CommandStatusWrapper_t SCSICommandStatus;
|
|
|
|
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;
|
|
|
|
return PIPE_RWSTREAM_NoError;
|
|
}
|
|
|
|
uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress,
|
|
uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer)
|
|
{
|
|
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
|
|
return HOST_SENDCONTROL_DeviceDisconnect;
|
|
|
|
uint8_t ErrorCode;
|
|
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
|
{
|
|
.Signature = CBW_SIGNATURE,
|
|
.DataTransferLength = ((uint32_t)Blocks * BlockSize),
|
|
.Flags = COMMAND_DIRECTION_DATA_OUT,
|
|
.LUN = LUNIndex,
|
|
.SCSICommandLength = 10,
|
|
.SCSICommandData =
|
|
{
|
|
SCSI_CMD_WRITE_10,
|
|
0x00, // Unused (control bits, all off)
|
|
(BlockAddress >> 24), // MSB of Block Address
|
|
(BlockAddress >> 16),
|
|
(BlockAddress >> 8),
|
|
(BlockAddress & 0xFF), // LSB of Block Address
|
|
0x00, // Unused (reserved)
|
|
0x00, // MSB of Total Blocks to Write
|
|
Blocks, // LSB of Total Blocks to Write
|
|
0x00 // Unused (control)
|
|
}
|
|
};
|
|
|
|
MS_CommandStatusWrapper_t SCSICommandStatus;
|
|
|
|
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;
|
|
|
|
return PIPE_RWSTREAM_NoError;
|
|
}
|
|
|
|
#endif
|