580 lines
19 KiB
C
580 lines
19 KiB
C
|
/*
|
||
|
|
LUFA Library
|
||
|
|
Copyright (C) Dean Camera, 2019.
|
||
|
|
|
||
|
|
dean [at] fourwalledcubicle [dot] com
|
||
|
|
www.lufa-lib.org
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
Copyright 2019 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_HOST)
|
||
|
|
|
||
|
|
#define __INCLUDE_FROM_MS_DRIVER
|
||
|
|
#define __INCLUDE_FROM_MASSSTORAGE_HOST_C
|
||
|
|
#include "MassStorageClassHost.h"
|
||
|
|
|
||
|
|
uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
|
||
|
|
uint16_t ConfigDescriptorSize,
|
||
|
|
void* ConfigDescriptorData)
|
||
|
|
{
|
||
|
|
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(ConfigDescriptorData) != DTYPE_Configuration)
|
||
|
|
return MS_ENUMERROR_InvalidConfigDescriptor;
|
||
|
|
|
||
|
|
while (!(DataINEndpoint) || !(DataOUTEndpoint))
|
||
|
|
{
|
||
|
|
if (!(MassStorageInterface) ||
|
||
|
|
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
|
||
|
|
DCOMP_MS_Host_NextMSInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
|
||
|
|
{
|
||
|
|
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(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
|
||
|
|
|
||
|
|
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
|
||
|
|
DataINEndpoint = EndpointData;
|
||
|
|
else
|
||
|
|
DataOUTEndpoint = EndpointData;
|
||
|
|
}
|
||
|
|
|
||
|
|
MSInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
|
||
|
|
MSInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
|
||
|
|
MSInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
|
||
|
|
|
||
|
|
MSInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
|
||
|
|
MSInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
|
||
|
|
MSInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
|
||
|
|
|
||
|
|
if (!(Pipe_ConfigurePipeTable(&MSInterfaceInfo->Config.DataINPipe, 1)))
|
||
|
|
return MS_ENUMERROR_PipeConfigurationFailed;
|
||
|
|
|
||
|
|
if (!(Pipe_ConfigurePipeTable(&MSInterfaceInfo->Config.DataOUTPipe, 1)))
|
||
|
|
return MS_ENUMERROR_PipeConfigurationFailed;
|
||
|
|
|
||
|
|
MSInterfaceInfo->State.InterfaceNumber = MassStorageInterface->InterfaceNumber;
|
||
|
|
MSInterfaceInfo->State.IsActive = true;
|
||
|
|
|
||
|
|
return MS_ENUMERROR_NoError;
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
|
||
|
|
|
||
|
|
if (Header->Type == DTYPE_Interface)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
|
||
|
|
|
||
|
|
if ((Interface->Class == MS_CSCP_MassStorageClass) &&
|
||
|
|
(Interface->SubClass == MS_CSCP_SCSITransparentSubclass) &&
|
||
|
|
(Interface->Protocol == MS_CSCP_BulkOnlyTransportProtocol))
|
||
|
|
{
|
||
|
|
return DESCRIPTOR_SEARCH_Found;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return DESCRIPTOR_SEARCH_NotFound;
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t DCOMP_MS_Host_NextMSInterfaceEndpoint(void* const CurrentDescriptor)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
|
||
|
|
|
||
|
|
if (Header->Type == DTYPE_Endpoint)
|
||
|
|
{
|
||
|
|
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
|
||
|
|
|
||
|
|
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
|
||
|
|
|
||
|
|
if ((EndpointType == EP_TYPE_BULK) && (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
|
||
|
|
{
|
||
|
|
return DESCRIPTOR_SEARCH_Found;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (Header->Type == DTYPE_Interface)
|
||
|
|
{
|
||
|
|
return DESCRIPTOR_SEARCH_Fail;
|
||
|
|
}
|
||
|
|
|
||
|
|
return DESCRIPTOR_SEARCH_NotFound;
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
if (++MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)
|
||
|
|
MSInterfaceInfo->State.TransactionTag = 1;
|
||
|
|
|
||
|
|
SCSICommandBlock->Signature = CPU_TO_LE32(MS_CBW_SIGNATURE);
|
||
|
|
SCSICommandBlock->Tag = cpu_to_le32(MSInterfaceInfo->State.TransactionTag);
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),
|
||
|
|
NULL)) != PIPE_RWSTREAM_NoError)
|
||
|
|
{
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_ClearOUT();
|
||
|
|
Pipe_WaitUntilReady();
|
||
|
|
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
if (BufferPtr != NULL)
|
||
|
|
{
|
||
|
|
ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, SCSICommandBlock, (void*)BufferPtr);
|
||
|
|
|
||
|
|
if ((ErrorCode != PIPE_RWSTREAM_NoError) && (ErrorCode != PIPE_RWSTREAM_PipeStalled))
|
||
|
|
{
|
||
|
|
Pipe_Freeze();
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
MS_CommandStatusWrapper_t SCSIStatusBlock;
|
||
|
|
return MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSIStatusBlock);
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
|
||
|
|
{
|
||
|
|
uint16_t TimeoutMSRem = MS_COMMAND_DATA_TIMEOUT_MS;
|
||
|
|
uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
while (!(Pipe_IsINReceived()))
|
||
|
|
{
|
||
|
|
uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();
|
||
|
|
|
||
|
|
if (CurrentFrameNumber != PreviousFrameNumber)
|
||
|
|
{
|
||
|
|
PreviousFrameNumber = CurrentFrameNumber;
|
||
|
|
|
||
|
|
if (!(TimeoutMSRem--))
|
||
|
|
return PIPE_RWSTREAM_Timeout;
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_Freeze();
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if (Pipe_IsStalled())
|
||
|
|
{
|
||
|
|
USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
|
||
|
|
return PIPE_RWSTREAM_PipeStalled;
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_Freeze();
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if (Pipe_IsStalled())
|
||
|
|
{
|
||
|
|
USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
|
||
|
|
return PIPE_RWSTREAM_PipeStalled;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (USB_HostState == HOST_STATE_Unattached)
|
||
|
|
return PIPE_RWSTREAM_DeviceDisconnected;
|
||
|
|
};
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
return PIPE_RWSTREAM_NoError;
|
||
|
|
}
|
||
|
|
|
||
|
|
static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
|
||
|
|
MS_CommandBlockWrapper_t* const SCSICommandBlock,
|
||
|
|
void* BufferPtr)
|
||
|
|
{
|
||
|
|
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
|
||
|
|
uint16_t BytesRem = le32_to_cpu(SCSICommandBlock->DataTransferLength);
|
||
|
|
|
||
|
|
if (SCSICommandBlock->Flags & MS_COMMAND_DIR_DATA_IN)
|
||
|
|
{
|
||
|
|
if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
|
||
|
|
{
|
||
|
|
Pipe_Freeze();
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NULL)) != PIPE_RWSTREAM_NoError)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
Pipe_ClearIN();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem, NULL)) != 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* const MSInterfaceInfo,
|
||
|
|
MS_CommandStatusWrapper_t* const SCSICommandStatus)
|
||
|
|
{
|
||
|
|
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
|
||
|
|
|
||
|
|
if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
Pipe_Unfreeze();
|
||
|
|
|
||
|
|
if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t),
|
||
|
|
NULL)) != PIPE_RWSTREAM_NoError)
|
||
|
|
{
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
Pipe_ClearIN();
|
||
|
|
Pipe_Freeze();
|
||
|
|
|
||
|
|
if (SCSICommandStatus->Status != MS_SCSI_COMMAND_Pass)
|
||
|
|
ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
|
||
|
|
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
|
||
|
|
{
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
USB_ControlRequest = (USB_Request_Header_t)
|
||
|
|
{
|
||
|
|
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
|
||
|
|
.bRequest = MS_REQ_MassStorageReset,
|
||
|
|
.wValue = 0,
|
||
|
|
.wIndex = MSInterfaceInfo->State.InterfaceNumber,
|
||
|
|
.wLength = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||
|
|
|
||
|
|
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
|
||
|
|
|
||
|
|
if ((ErrorCode = USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress())) != HOST_SENDCONTROL_Successful)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
|
||
|
|
|
||
|
|
if ((ErrorCode = USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress())) != HOST_SENDCONTROL_Successful)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
return HOST_SENDCONTROL_Successful;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
|
||
|
|
uint8_t* const MaxLUNIndex)
|
||
|
|
{
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
USB_ControlRequest = (USB_Request_Header_t)
|
||
|
|
{
|
||
|
|
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
|
||
|
|
.bRequest = MS_REQ_GetMaxLUN,
|
||
|
|
.wValue = 0,
|
||
|
|
.wIndex = MSInterfaceInfo->State.InterfaceNumber,
|
||
|
|
.wLength = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
Pipe_SelectPipe(PIPE_CONTROLPIPE);
|
||
|
|
|
||
|
|
if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) == HOST_SENDCONTROL_SetupStalled)
|
||
|
|
{
|
||
|
|
*MaxLUNIndex = 0;
|
||
|
|
ErrorCode = HOST_SENDCONTROL_Successful;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ErrorCode;
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
||
|
|
{
|
||
|
|
.DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Inquiry_Response_t)),
|
||
|
|
.Flags = MS_COMMAND_DIR_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)
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, InquiryData);
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
||
|
|
{
|
||
|
|
.DataTransferLength = CPU_TO_LE32(0),
|
||
|
|
.Flags = MS_COMMAND_DIR_DATA_IN,
|
||
|
|
.LUN = LUNIndex,
|
||
|
|
.SCSICommandLength = 6,
|
||
|
|
.SCSICommandData =
|
||
|
|
{
|
||
|
|
SCSI_CMD_TEST_UNIT_READY,
|
||
|
|
0x00, // Reserved
|
||
|
|
0x00, // Reserved
|
||
|
|
0x00, // Reserved
|
||
|
|
0x00, // Reserved
|
||
|
|
0x00 // Unused (control)
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
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))
|
||
|
|
return HOST_SENDCONTROL_DeviceDisconnected;
|
||
|
|
|
||
|
|
uint8_t ErrorCode;
|
||
|
|
|
||
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
||
|
|
{
|
||
|
|
.DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Capacity_t)),
|
||
|
|
.Flags = MS_COMMAND_DIR_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)
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)
|
||
|
|
return ErrorCode;
|
||
|
|
|
||
|
|
DeviceCapacity->Blocks = BE32_TO_CPU(DeviceCapacity->Blocks);
|
||
|
|
DeviceCapacity->BlockSize = BE32_TO_CPU(DeviceCapacity->BlockSize);
|
||
|
|
|
||
|
|
return PIPE_RWSTREAM_NoError;
|
||
|
|
}
|
||
|
|
|
||
|
|
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))
|
||
|
|
return HOST_SENDCONTROL_DeviceDisconnected;
|
||
|
|
|
||
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
||
|
|
{
|
||
|
|
.DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Request_Sense_Response_t)),
|
||
|
|
.Flags = MS_COMMAND_DIR_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)
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData);
|
||
|
|
}
|
||
|
|
|
||
|
|
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))
|
||
|
|
return HOST_SENDCONTROL_DeviceDisconnected;
|
||
|
|
|
||
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
||
|
|
{
|
||
|
|
.DataTransferLength = CPU_TO_LE32(0),
|
||
|
|
.Flags = MS_COMMAND_DIR_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)
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
||
|
|
{
|
||
|
|
.DataTransferLength = cpu_to_le32((uint32_t)Blocks * BlockSize),
|
||
|
|
.Flags = MS_COMMAND_DIR_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, // Reserved
|
||
|
|
0x00, // MSB of Total Blocks to Read
|
||
|
|
Blocks, // LSB of Total Blocks to Read
|
||
|
|
0x00 // Unused (control)
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, 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;
|
||
|
|
|
||
|
|
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
|
||
|
|
{
|
||
|
|
.DataTransferLength = cpu_to_le32((uint32_t)Blocks * BlockSize),
|
||
|
|
.Flags = MS_COMMAND_DIR_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, // Reserved
|
||
|
|
0x00, // MSB of Total Blocks to Write
|
||
|
|
Blocks, // LSB of Total Blocks to Write
|
||
|
|
0x00 // Unused (control)
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|