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Diffstat (limited to 'LUFA/Drivers/USB/Class/Host')
-rw-r--r--LUFA/Drivers/USB/Class/Host/MassStorageClassHost.c102
1 files changed, 22 insertions, 80 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/MassStorageClassHost.c b/LUFA/Drivers/USB/Class/Host/MassStorageClassHost.c
index 96550cc3f..8a69d1578 100644
--- a/LUFA/Drivers/USB/Class/Host/MassStorageClassHost.c
+++ b/LUFA/Drivers/USB/Class/Host/MassStorageClassHost.c
@@ -183,21 +183,28 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),
NULL)) != PIPE_RWSTREAM_NoError)
- return ErrorCode;
-
+ {
+ return ErrorCode;
+ }
+
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
- if ((BufferPtr != NULL) &&
- ((ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, SCSICommandBlock, (void*)BufferPtr)) != PIPE_RWSTREAM_NoError))
+ if (BufferPtr != NULL)
{
- Pipe_Freeze();
- return ErrorCode;
+ ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, SCSICommandBlock, (void*)BufferPtr);
+
+ if ((ErrorCode != PIPE_RWSTREAM_NoError) && (ErrorCode != PIPE_RWSTREAM_PipeStalled))
+ {
+ Pipe_Freeze();
+ return ErrorCode;
+ }
}
-
- 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)
@@ -358,7 +365,7 @@ uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
uint8_t* const MaxLUNIndex)
{
- uint8_t ErrorCode = HOST_SENDCONTROL_Successful;
+ uint8_t ErrorCode;
USB_ControlRequest = (USB_Request_Header_t)
{
@@ -387,8 +394,6 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
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_Inquiry_Response_t)),
@@ -406,15 +411,7 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
}
};
- 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;
+ return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, InquiryData);
}
uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
@@ -423,8 +420,6 @@ uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
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(0),
@@ -442,15 +437,7 @@ uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
}
};
- 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;
+ return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL);
}
uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
@@ -483,17 +470,12 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
}
};
- MS_CommandStatusWrapper_t SCSICommandStatus;
-
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);
- if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
- return ErrorCode;
-
return PIPE_RWSTREAM_NoError;
}
@@ -504,8 +486,6 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
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_Request_Sense_Response_t)),
@@ -523,15 +503,7 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
}
};
- 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;
+ return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData);
}
uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
@@ -541,8 +513,6 @@ uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInter
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(0),
@@ -560,15 +530,7 @@ uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInter
}
};
- 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;
+ return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL);
}
uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
@@ -581,8 +543,6 @@ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
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((uint32_t)Blocks * BlockSize),
@@ -604,15 +564,7 @@ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
}
};
- 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;
+ return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer);
}
uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
@@ -625,8 +577,6 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo
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((uint32_t)Blocks * BlockSize),
@@ -648,15 +598,7 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo
}
};
- 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;
+ return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer);
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-01 04:53:18 +0000