/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
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
#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)
{
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)
{
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;
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();
return PIPE_RWSTREAM_PipeStalled;
}
-
+
Pipe_Freeze();
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
Pipe_Unfreeze();
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();
}
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;
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
Pipe_Unfreeze();
-
+
if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
return ErrorCode;
Pipe_ClearOUT();
-
+
while (!(Pipe_IsOUTReady()))
{
if (USB_HostState == HOST_STATE_Unattached)
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;
}
.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;
.wIndex = MSInterfaceInfo->State.InterfaceNumber,
.wLength = 1,
};
-
+
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) != HOST_SENDCONTROL_Successful)
*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)
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)
{
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))
0x00 // Unused (control)
}
};
-
+
MS_CommandStatusWrapper_t SCSICommandStatus;
if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)
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))
0x00 // Unused (control)
}
};
-
+
MS_CommandStatusWrapper_t SCSICommandStatus;
if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError)
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))
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;
(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)
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;
(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)
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;
}
#endif
+
projects / pub / USBasp.git / blobdiff