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Update UC3 platform driver support to use the bitmasks defined in the header files...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / MassStorage.c
diff --git a/LUFA/Drivers/USB/Class/Host/MassStorage.c b/LUFA/Drivers/USB/Class/Host/MassStorage.c
index 82746cd..65ed694 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/MassStorage.c
+++ b/LUFA/Drivers/USB/Class/Host/MassStorage.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
+     Copyright (C) Dean Camera, 2011.
+
   dean [at] fourwalledcubicle [dot] com
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  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
   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
   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
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
@@ -29,100 +29,136 @@
 */
 
 #define  __INCLUDE_FROM_USB_DRIVER
 */
 
 #define  __INCLUDE_FROM_USB_DRIVER
-#include "../../HighLevel/USBMode.h"
+#include "../../Core/USBMode.h"
+
 #if defined(USB_CAN_BE_HOST)
 
 #if defined(USB_CAN_BE_HOST)
 
-#define  __INCLUDE_FROM_MS_CLASS_HOST_C
 #define  __INCLUDE_FROM_MS_DRIVER
 #define  __INCLUDE_FROM_MS_DRIVER
+#define  __INCLUDE_FROM_MASSSTORAGE_HOST_C
 #include "MassStorage.h"
 
 uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                uint16_t ConfigDescriptorSize,
 #include "MassStorage.h"
 
 uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                uint16_t ConfigDescriptorSize,
-                                                          void* DeviceConfigDescriptor)
+                                                          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));
 
        memset(&MSInterfaceInfo->State, 0x00, sizeof(MSInterfaceInfo->State));
 
-       if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
+       if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
          return MS_ENUMERROR_InvalidConfigDescriptor;
          return MS_ENUMERROR_InvalidConfigDescriptor;
-       
-       if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,
-                                     DCOMP_MS_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_MS_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)
 
                if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+                 DataINEndpoint  = EndpointData;
+               else
+                 DataOUTEndpoint = EndpointData;
+       }
+
+       for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++)
+       {
+               uint16_t Size;
+               uint8_t  Type;
+               uint8_t  Token;
+               uint8_t  EndpointAddress;
+               bool     DoubleBanked;
+
+               if (PipeNum == MSInterfaceInfo->Config.DataINPipeNumber)
                {
                {
-                       Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
-                                          EndpointData->EndpointAddress, EndpointData->EndpointSize,
-                                          MSInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
-                       MSInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
+                       Size            = le16_to_cpu(DataINEndpoint->EndpointSize);
+                       EndpointAddress = DataINEndpoint->EndpointAddress;
+                       Token           = PIPE_TOKEN_IN;
+                       Type            = EP_TYPE_BULK;
+                       DoubleBanked    = MSInterfaceInfo->Config.DataINPipeDoubleBank;
 
 
-                       FoundEndpoints |= MS_FOUND_DATAPIPE_IN;
+                       MSInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
+               }
+               else if (PipeNum == MSInterfaceInfo->Config.DataOUTPipeNumber)
+               {
+                       Size            = le16_to_cpu(DataOUTEndpoint->EndpointSize);
+                       EndpointAddress = DataOUTEndpoint->EndpointAddress;
+                       Token           = PIPE_TOKEN_OUT;
+                       Type            = EP_TYPE_BULK;
+                       DoubleBanked    = MSInterfaceInfo->Config.DataOUTPipeDoubleBank;
+                       
+                       MSInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
                }
                else
                {
                }
                else
                {
-                       Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
-                                          EndpointData->EndpointAddress, EndpointData->EndpointSize,
-                                          MSInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
-                       MSInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
+                       continue;
+               }
 
 
-                       FoundEndpoints |= MS_FOUND_DATAPIPE_OUT;
-               }               
+               if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
+                                        DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
+               {
+                       return MS_ENUMERROR_PipeConfigurationFailed;
+               }
        }
 
        }
 
+       MSInterfaceInfo->State.InterfaceNumber = MassStorageInterface->InterfaceNumber;
        MSInterfaceInfo->State.IsActive = true;
        MSInterfaceInfo->State.IsActive = true;
+
        return MS_ENUMERROR_NoError;
 }
 
        return MS_ENUMERROR_NoError;
 }
 
-static uint8_t DCOMP_MS_NextMSInterface(void* const CurrentDescriptor)
+static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor)
 {
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Interface)
        {
        {
-               USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
-                                                                               USB_Descriptor_Interface_t);
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
 
 
-               if ((CurrentInterface->Class    == MASS_STORE_CLASS)    &&
-                   (CurrentInterface->SubClass == MASS_STORE_SUBCLASS) &&
-                   (CurrentInterface->Protocol == MASS_STORE_PROTOCOL))
+               if ((Interface->Class    == MS_CSCP_MassStorageClass)        &&
+                   (Interface->SubClass == MS_CSCP_SCSITransparentSubclass) &&
+                   (Interface->Protocol == MS_CSCP_BulkOnlyTransportProtocol))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
-       
+
        return DESCRIPTOR_SEARCH_NotFound;
 }
 
        return DESCRIPTOR_SEARCH_NotFound;
 }
 
-static uint8_t DCOMP_MS_NextMSInterfaceEndpoint(void* const CurrentDescriptor)
+static uint8_t DCOMP_MS_Host_NextMSInterfaceEndpoint(void* const CurrentDescriptor)
 {
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Endpoint)
        {
        {
-               USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,
-                                                                             USB_Descriptor_Endpoint_t);
+               USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
 
-               uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);
+               uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
 
 
-               if ((EndpointType == EP_TYPE_BULK) &&
-                   (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))))
+               if ((EndpointType == EP_TYPE_BULK) && (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       else if (Header->Type == DTYPE_Interface)
        {
                return DESCRIPTOR_SEARCH_Fail;
        }
        {
                return DESCRIPTOR_SEARCH_Fail;
        }
@@ -136,17 +172,17 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
 {
        uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
 
 {
        uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
 
-       SCSICommandBlock->Signature = CBW_SIGNATURE;
-       SCSICommandBlock->Tag       = ++MSInterfaceInfo->State.TransactionTag;
-
-       if (MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)
+       if (++MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)
          MSInterfaceInfo->State.TransactionTag = 1;
 
          MSInterfaceInfo->State.TransactionTag = 1;
 
+       SCSICommandBlock->Signature = CPU_TO_LE32(MS_CBW_SIGNATURE);
+       SCSICommandBlock->Tag       = cpu_to_le32(MSInterfaceInfo->State.TransactionTag);
+
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
        Pipe_Unfreeze();
 
        if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
        Pipe_Unfreeze();
 
        if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),
-                                             NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+                                             NULL)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
        Pipe_ClearOUT();
          return ErrorCode;
 
        Pipe_ClearOUT();
@@ -160,28 +196,30 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
                Pipe_Freeze();
                return ErrorCode;
        }
                Pipe_Freeze();
                return ErrorCode;
        }
-       
+
        return ErrorCode;
 }
 
 static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
 {
        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        = MS_COMMAND_DATA_TIMEOUT_MS;
+       uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();
 
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
        Pipe_Unfreeze();
 
        while (!(Pipe_IsINReceived()))
        {
 
        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;
                }
                          return PIPE_RWSTREAM_Timeout;
                }
-       
+
                Pipe_Freeze();
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
                Pipe_Unfreeze();
                Pipe_Freeze();
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
                Pipe_Unfreeze();
@@ -192,7 +230,7 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte
 
                        return PIPE_RWSTREAM_PipeStalled;
                }
 
                        return PIPE_RWSTREAM_PipeStalled;
                }
-               
+
                Pipe_Freeze();
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
                Pipe_Unfreeze();
                Pipe_Freeze();
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
                Pipe_Unfreeze();
@@ -203,14 +241,14 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte
 
                        return PIPE_RWSTREAM_PipeStalled;
                }
 
                        return PIPE_RWSTREAM_PipeStalled;
                }
-                 
+
                if (USB_HostState == HOST_STATE_Unattached)
                  return PIPE_RWSTREAM_DeviceDisconnected;
        };
                if (USB_HostState == HOST_STATE_Unattached)
                  return PIPE_RWSTREAM_DeviceDisconnected;
        };
-       
+
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
        Pipe_Freeze();
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
        Pipe_Freeze();
-               
+
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
        Pipe_Freeze();
 
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
        Pipe_Freeze();
 
@@ -222,9 +260,9 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfac
                                        void* BufferPtr)
 {
        uint8_t  ErrorCode = PIPE_RWSTREAM_NoError;
                                        void* BufferPtr)
 {
        uint8_t  ErrorCode = PIPE_RWSTREAM_NoError;
-       uint16_t BytesRem  = SCSICommandBlock->DataTransferLength;
+       uint16_t BytesRem  = le32_to_cpu(SCSICommandBlock->DataTransferLength);
 
 
-       if (SCSICommandBlock->Flags & COMMAND_DIRECTION_DATA_IN)
+       if (SCSICommandBlock->Flags & MS_COMMAND_DIR_DATA_IN)
        {
                if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
                {
        {
                if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
                {
@@ -234,8 +272,8 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfac
 
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
                Pipe_Unfreeze();
 
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
                Pipe_Unfreeze();
-               
-               if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+
+               if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NULL)) != PIPE_RWSTREAM_NoError)
                  return ErrorCode;
 
                Pipe_ClearIN();
                  return ErrorCode;
 
                Pipe_ClearIN();
@@ -245,11 +283,11 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfac
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
                Pipe_Unfreeze();
 
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
                Pipe_Unfreeze();
 
-               if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+               if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem, NULL)) != PIPE_RWSTREAM_NoError)
                  return ErrorCode;
 
                Pipe_ClearOUT();
                  return ErrorCode;
 
                Pipe_ClearOUT();
-               
+
                while (!(Pipe_IsOUTReady()))
                {
                        if (USB_HostState == HOST_STATE_Unattached)
                while (!(Pipe_IsOUTReady()))
                {
                        if (USB_HostState == HOST_STATE_Unattached)
@@ -272,19 +310,19 @@ static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterf
 
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
        Pipe_Unfreeze();
 
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
        Pipe_Unfreeze();
-       
+
        if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t),
        if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t),
-                                            NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
+                                            NULL)) != PIPE_RWSTREAM_NoError)
        {
                return ErrorCode;
        }
        {
                return ErrorCode;
        }
-       
+
        Pipe_ClearIN();
        Pipe_Freeze();
        Pipe_ClearIN();
        Pipe_Freeze();
-       
-       if (SCSICommandStatus->Status != SCSI_Command_Pass)
+
+       if (SCSICommandStatus->Status != MS_SCSI_COMMAND_Pass)
          ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
          ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
-       
+
        return ErrorCode;
 }
 
        return ErrorCode;
 }
 
@@ -293,12 +331,12 @@ uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
        USB_ControlRequest = (USB_Request_Header_t)
                {
                        .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
        USB_ControlRequest = (USB_Request_Header_t)
                {
                        .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
-                       .bRequest      = REQ_MassStorageReset,
+                       .bRequest      = MS_REQ_MassStorageReset,
                        .wValue        = 0,
                        .wIndex        = MSInterfaceInfo->State.InterfaceNumber,
                        .wLength       = 0,
                };
                        .wValue        = 0,
                        .wIndex        = MSInterfaceInfo->State.InterfaceNumber,
                        .wLength       = 0,
                };
-       
+
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
 
        return USB_Host_SendControlRequest(NULL);
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
 
        return USB_Host_SendControlRequest(NULL);
@@ -312,20 +350,20 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
        USB_ControlRequest = (USB_Request_Header_t)
                {
                        .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
        USB_ControlRequest = (USB_Request_Header_t)
                {
                        .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
-                       .bRequest      = REQ_GetMaxLUN,
+                       .bRequest      = MS_REQ_GetMaxLUN,
                        .wValue        = 0,
                        .wIndex        = MSInterfaceInfo->State.InterfaceNumber,
                        .wLength       = 1,
                };
                        .wValue        = 0,
                        .wIndex        = MSInterfaceInfo->State.InterfaceNumber,
                        .wLength       = 1,
                };
-               
+
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
 
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
 
-       if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) != HOST_SENDCONTROL_Successful)
+       if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) == HOST_SENDCONTROL_SetupStalled)
        {
                *MaxLUNIndex = 0;
        {
                *MaxLUNIndex = 0;
-               ErrorCode = HOST_SENDCONTROL_Successful;
+               ErrorCode    = HOST_SENDCONTROL_Successful;
        }
        }
-       
+
        return ErrorCode;
 }
 
        return ErrorCode;
 }
 
@@ -335,13 +373,13 @@ 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;
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
          return HOST_SENDCONTROL_DeviceDisconnected;
-         
+
        uint8_t ErrorCode;
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
        uint8_t ErrorCode;
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
-                       .DataTransferLength = sizeof(SCSI_Inquiry_Response_t),
-                       .Flags              = COMMAND_DIRECTION_DATA_IN,
+                       .DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Inquiry_Response_t)),
+                       .Flags              = MS_COMMAND_DIR_DATA_IN,
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
@@ -354,12 +392,12 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                        0x00                             // Unused (control)
                                }
                };
                                        0x00                             // Unused (control)
                                }
                };
-       
+
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, InquiryData)) != PIPE_RWSTREAM_NoError)
        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;
 
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
@@ -372,12 +410,12 @@ 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;
 
        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)
                {
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
-                       .DataTransferLength = 0,
-                       .Flags              = COMMAND_DIRECTION_DATA_IN,
+                       .DataTransferLength = CPU_TO_LE32(0),
+                       .Flags              = MS_COMMAND_DIR_DATA_IN,
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
@@ -390,12 +428,12 @@ uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                        0x00                    // Unused (control)
                                }
                };
                                        0x00                    // Unused (control)
                                }
                };
-       
+
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError)
        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;
 
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
@@ -413,8 +451,8 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
-                       .DataTransferLength = sizeof(SCSI_Capacity_t),
-                       .Flags              = COMMAND_DIRECTION_DATA_IN,
+                       .DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Capacity_t)),
+                       .Flags              = MS_COMMAND_DIR_DATA_IN,
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 10,
                        .SCSICommandData    =
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 10,
                        .SCSICommandData    =
@@ -431,15 +469,15 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
                                        0x00                    // Unused (control)
                                }
                };
                                        0x00                    // Unused (control)
                                }
                };
-       
+
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
-       SwapEndian_n(&DeviceCapacity->Blocks,    sizeof(DeviceCapacity->Blocks));
-       SwapEndian_n(&DeviceCapacity->BlockSize, sizeof(DeviceCapacity->BlockSize));
-       
+       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;
 
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
@@ -457,8 +495,8 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
-                       .DataTransferLength = sizeof(SCSI_Request_Sense_Response_t),
-                       .Flags              = COMMAND_DIRECTION_DATA_IN,
+                       .DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Request_Sense_Response_t)),
+                       .Flags              = MS_COMMAND_DIR_DATA_IN,
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
@@ -471,7 +509,7 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                        0x00                                   // Unused (control)
                                }
                };
                                        0x00                                   // Unused (control)
                                }
                };
-       
+
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError)
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError)
@@ -494,8 +532,8 @@ uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInter
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
-                       .DataTransferLength = 0,
-                       .Flags              = COMMAND_DIRECTION_DATA_OUT,
+                       .DataTransferLength = CPU_TO_LE32(0),
+                       .Flags              = MS_COMMAND_DIR_DATA_OUT,
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 6,
                        .SCSICommandData    =
@@ -508,12 +546,12 @@ uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInter
                                        0x00                    // Unused (control)
                                }
                };
                                        0x00                    // Unused (control)
                                }
                };
-       
+
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
        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;
 
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
@@ -534,8 +572,8 @@ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
-                       .DataTransferLength = ((uint32_t)Blocks * BlockSize),
-                       .Flags              = COMMAND_DIRECTION_DATA_IN,
+                       .DataTransferLength = cpu_to_le32((uint32_t)Blocks * BlockSize),
+                       .Flags              = MS_COMMAND_DIR_DATA_IN,
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 10,
                        .SCSICommandData    =
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 10,
                        .SCSICommandData    =
@@ -546,7 +584,7 @@ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                        (BlockAddress >> 16),
                                        (BlockAddress >> 8),
                                        (BlockAddress & 0xFF),  // LSB of Block Address
                                        (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)
                                        0x00,                   // MSB of Total Blocks to Read
                                        Blocks,                 // LSB of Total Blocks to Read
                                        0x00                    // Unused (control)
@@ -578,8 +616,8 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
-                       .DataTransferLength = ((uint32_t)Blocks * BlockSize),
-                       .Flags              = COMMAND_DIRECTION_DATA_OUT,
+                       .DataTransferLength = cpu_to_le32((uint32_t)Blocks * BlockSize),
+                       .Flags              = MS_COMMAND_DIR_DATA_OUT,
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 10,
                        .SCSICommandData    =
                        .LUN                = LUNIndex,
                        .SCSICommandLength  = 10,
                        .SCSICommandData    =
@@ -590,7 +628,7 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo
                                        (BlockAddress >> 16),
                                        (BlockAddress >> 8),
                                        (BlockAddress & 0xFF),  // LSB of Block Address
                                        (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)
                                        0x00,                   // MSB of Total Blocks to Write
                                        Blocks,                 // LSB of Total Blocks to Write
                                        0x00                    // Unused (control)
@@ -601,7 +639,7 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
        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;
 
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
@@ -609,3 +647,4 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo
 }
 
 #endif
 }
 
 #endif
+
USB isp AVR programmer