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Make Low Level host demos use void pointers for the configuration descriptor, to...
[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 ba281cf..d1622c1 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/MassStorage.c
+++ b/LUFA/Drivers/USB/Class/Host/MassStorage.c
@@ -34,8 +34,8 @@
 #define INCLUDE_FROM_MS_CLASS_HOST_C\r
 #include "MassStorage.h"\r
 \r
-uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_t ConfigDescriptorLength,\r
-                                                          uint8_t* DeviceConfigDescriptor)\r
+uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint16_t ConfigDescriptorSize,\r
+                                                          void* DeviceConfigDescriptor)\r
 {\r
        uint8_t FoundEndpoints = 0;\r
        \r
@@ -44,23 +44,18 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_
        if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)\r
          return MS_ENUMERROR_InvalidConfigDescriptor;\r
        \r
-       if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &DeviceConfigDescriptor,\r
-                                     DComp_NextMassStorageInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
+       if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,\r
+                                     DComp_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found)\r
        {\r
                return MS_ENUMERROR_NoMSInterfaceFound;\r
        }\r
 \r
-       MSInterfaceInfo->State.InterfaceNumber       =\r
-       #if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)\r
-                            DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t)->InterfaceNumber;\r
-       #else\r
-                            DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t)->bInterfaceNumber;\r
-       #endif\r
+       MSInterfaceInfo->State.InterfaceNumber = DESCRIPTOR_PCAST(DeviceConfigDescriptor, USB_Descriptor_Interface_t)->InterfaceNumber;\r
        \r
        while (FoundEndpoints != (MS_FOUND_DATAPIPE_IN | MS_FOUND_DATAPIPE_OUT))\r
        {\r
-               if (USB_GetNextDescriptorComp(&ConfigDescriptorLength, &DeviceConfigDescriptor,\r
-                                             DComp_NextInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
+               if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &DeviceConfigDescriptor,\r
+                                             DComp_NextMSInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)\r
                {\r
                        return MS_ENUMERROR_EndpointsNotFound;\r
                }\r
@@ -71,7 +66,7 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_
                {\r
                        Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,\r
                                           EndpointData->EndpointAddress, EndpointData->EndpointSize,\r
-                                          PIPE_BANK_DOUBLE);\r
+                                          MSInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
                        MSInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;\r
 \r
                        FoundEndpoints |= MS_FOUND_DATAPIPE_IN;\r
@@ -80,24 +75,27 @@ uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint16_
                {\r
                        Pipe_ConfigurePipe(MSInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,\r
                                           EndpointData->EndpointAddress, EndpointData->EndpointSize,\r
-                                          PIPE_BANK_DOUBLE);\r
+                                          MSInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);\r
                        MSInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;\r
 \r
                        FoundEndpoints |= MS_FOUND_DATAPIPE_OUT;\r
                }               \r
        }\r
 \r
-       MSInterfaceInfo->State.Active = true;\r
+       MSInterfaceInfo->State.IsActive = true;\r
        return MS_ENUMERROR_NoError;\r
 }\r
 \r
-static uint8_t DComp_NextMassStorageInterface(void* CurrentDescriptor)\r
+static uint8_t DComp_NextMSInterface(void* const CurrentDescriptor)\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)\r
        {\r
-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == MASS_STORE_CLASS)    &&\r
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == MASS_STORE_SUBCLASS) &&\r
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == MASS_STORE_PROTOCOL))\r
+               USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+                                                                               USB_Descriptor_Interface_t);\r
+\r
+               if ((CurrentInterface->Class    == MASS_STORE_CLASS)    &&\r
+                   (CurrentInterface->SubClass == MASS_STORE_SUBCLASS) &&\r
+                   (CurrentInterface->Protocol == MASS_STORE_PROTOCOL))\r
                {\r
                        return DESCRIPTOR_SEARCH_Found;\r
                }\r
@@ -106,12 +104,14 @@ static uint8_t DComp_NextMassStorageInterface(void* CurrentDescriptor)
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
-static uint8_t DComp_NextInterfaceBulkDataEndpoint(void* CurrentDescriptor)\r
+static uint8_t DComp_NextMSInterfaceEndpoint(void* const CurrentDescriptor)\r
 {\r
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)\r
        {\r
-               uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,\r
-                                                       USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);\r
+               USB_Descriptor_Endpoint_t* CurrentEndpoint = DESCRIPTOR_PCAST(CurrentDescriptor,\r
+                                                                             USB_Descriptor_Endpoint_t);\r
+\r
+               uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);\r
 \r
                if ((EndpointType == EP_TYPE_BULK) &&\r
                    (!(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))))\r
@@ -127,17 +127,17 @@ static uint8_t DComp_NextInterfaceBulkDataEndpoint(void* CurrentDescriptor)
        return DESCRIPTOR_SEARCH_NotFound;\r
 }\r
 \r
-void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)\r
+void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)\r
 {\r
        \r
 }\r
 \r
-static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, MS_CommandBlockWrapper_t* SCSICommandBlock,\r
+static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, MS_CommandBlockWrapper_t* const SCSICommandBlock,\r
                                    void* BufferPtr)\r
 {\r
        uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
 \r
-       SCSICommandBlock->Tag = MSInterfaceInfo->State.TransactionTag++;\r
+       SCSICommandBlock->Tag = ++MSInterfaceInfo->State.TransactionTag;\r
 \r
        if (MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)\r
          MSInterfaceInfo->State.TransactionTag = 1;\r
@@ -145,7 +145,8 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, MS_
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);\r
        Pipe_Unfreeze();\r
 \r
-       if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t))) != PIPE_RWSTREAM_NoError)\r
+       if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),\r
+                                             NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)\r
          return ErrorCode;\r
 \r
        Pipe_ClearOUT();\r
@@ -163,7 +164,7 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, MS_
        return ErrorCode;\r
 }\r
 \r
-static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)\r
+static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)\r
 {\r
        uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;\r
 \r
@@ -216,8 +217,8 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* MSInterfaceI
        return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
-static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,\r
-                                       MS_CommandBlockWrapper_t* SCSICommandBlock, void* BufferPtr)\r
+static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,\r
+                                       MS_CommandBlockWrapper_t* const SCSICommandBlock, void* BufferPtr)\r
 {\r
        uint8_t  ErrorCode = PIPE_RWSTREAM_NoError;\r
        uint16_t BytesRem  = SCSICommandBlock->DataTransferLength;\r
@@ -233,7 +234,7 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);\r
                Pipe_Unfreeze();\r
                \r
-               if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)\r
+               if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)\r
                  return ErrorCode;\r
 \r
                Pipe_ClearIN();\r
@@ -243,7 +244,7 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);\r
                Pipe_Unfreeze();\r
 \r
-               if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem)) != PIPE_RWSTREAM_NoError)\r
+               if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)\r
                  return ErrorCode;\r
 \r
                Pipe_ClearOUT();\r
@@ -260,8 +261,8 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,
        return ErrorCode;\r
 }\r
 \r
-static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* MSInterfaceInfo,\r
-                                         MS_CommandStatusWrapper_t* SCSICommandStatus)\r
+static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,\r
+                                         MS_CommandStatusWrapper_t* const SCSICommandStatus)\r
 {\r
        uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
 \r
@@ -271,9 +272,12 @@ static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* MSInterfaceInf
        Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);\r
        Pipe_Unfreeze();\r
        \r
-       if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t))) != PIPE_RWSTREAM_NoError)\r
-         return ErrorCode;\r
-         \r
+       if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t),\r
+                                            NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)\r
+       {\r
+               return ErrorCode;\r
+       }\r
+       \r
        Pipe_ClearIN();\r
        Pipe_Freeze();\r
        \r
@@ -283,9 +287,9 @@ static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* MSInterfaceInf
        return ErrorCode;\r
 }\r
 \r
-uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)\r
+uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
        USB_ControlRequest = (USB_Request_Header_t)\r
@@ -302,9 +306,9 @@ uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* MSInterfaceInfo)
        return USB_Host_SendControlRequest(NULL);\r
 }\r
 \r
-uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t* MaxLUNIndex)\r
+uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, uint8_t* const MaxLUNIndex)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
        uint8_t ErrorCode;\r
@@ -320,22 +324,19 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t* Max
                \r
        Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
 \r
-       if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) == HOST_SENDCONTROL_SetupStalled)\r
-       {\r
-               Pipe_ClearStall();\r
-\r
-               *MaxLUNIndex = 0;\r
-       }\r
+       if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) != HOST_SENDCONTROL_Successful)\r
+         *MaxLUNIndex = 0;\r
        \r
        return ErrorCode;\r
 }\r
 \r
-uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, SCSI_Inquiry_Response_t* InquiryData)\r
+uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex,\r
+                               SCSI_Inquiry_Response_t* const InquiryData)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
          \r
-       uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+       uint8_t ErrorCode;\r
 \r
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)\r
                {\r
@@ -358,26 +359,20 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t
        MS_CommandStatusWrapper_t SCSICommandStatus;\r
 \r
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, InquiryData)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;       \r
-       }\r
+         return ErrorCode;     \r
        \r
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
-       return ErrorCode;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
-uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex)\r
+uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
-       uint8_t ErrorCode = PIPE_RWSTREAM_NoError;      \r
+       uint8_t ErrorCode;      \r
 \r
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)\r
                {\r
@@ -400,27 +395,21 @@ uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t
        MS_CommandStatusWrapper_t SCSICommandStatus;\r
 \r
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;       \r
-       }\r
+         return ErrorCode;     \r
        \r
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
-       return ErrorCode;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
-uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex,\r
-                                   SCSI_Capacity_t* DeviceCapacity)\r
+uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex,\r
+                                   SCSI_Capacity_t* const DeviceCapacity)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
-       uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+       uint8_t ErrorCode;\r
 \r
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)\r
                {\r
@@ -447,30 +436,24 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uin
        MS_CommandStatusWrapper_t SCSICommandStatus;\r
 \r
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
        DeviceCapacity->Blocks    = SwapEndian_32(DeviceCapacity->Blocks);\r
        DeviceCapacity->BlockSize = SwapEndian_32(DeviceCapacity->BlockSize);\r
        \r
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
-       return ErrorCode;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
-uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex,\r
-                             SCSI_Request_Sense_Response_t* SenseData)\r
+uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex,\r
+                             SCSI_Request_Sense_Response_t* const SenseData)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
-       uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+       uint8_t ErrorCode;\r
 \r
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)\r
                {\r
@@ -493,26 +476,21 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t L
        MS_CommandStatusWrapper_t SCSICommandStatus;\r
 \r
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
-       return ErrorCode;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
-uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, bool PreventRemoval)\r
+uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex,\r
+                                          const bool PreventRemoval)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
-       uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+       uint8_t ErrorCode;\r
 \r
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)\r
                {\r
@@ -535,27 +513,21 @@ uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* MSInterfaceIn
        MS_CommandStatusWrapper_t SCSICommandStatus;\r
 \r
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
        \r
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
-       return ErrorCode;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
-uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress,\r
-                                 uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer)\r
+uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, const uint32_t BlockAddress,\r
+                                 const uint8_t Blocks, const uint16_t BlockSize, void* BlockBuffer)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
-       uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+       uint8_t ErrorCode;\r
 \r
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)\r
                {\r
@@ -582,27 +554,21 @@ uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8
        MS_CommandStatusWrapper_t SCSICommandStatus;\r
 \r
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
-       return ErrorCode;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
-uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint8_t LUNIndex, uint32_t BlockAddress,\r
-                                  uint8_t Blocks, uint16_t BlockSize, void* BlockBuffer)\r
+uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo, const uint8_t LUNIndex, const uint32_t BlockAddress,\r
+                                  const uint8_t Blocks, const uint16_t BlockSize, void* BlockBuffer)\r
 {\r
-       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.Active))\r
+       if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))\r
          return HOST_SENDCONTROL_DeviceDisconnect;\r
 \r
-       uint8_t ErrorCode = PIPE_RWSTREAM_NoError;\r
+       uint8_t ErrorCode;\r
 \r
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)\r
                {\r
@@ -629,18 +595,12 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* MSInterfaceInfo, uint
        MS_CommandStatusWrapper_t SCSICommandStatus;\r
 \r
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
        \r
        if ((ErrorCode = MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)\r
-       {\r
-               Pipe_Freeze();\r
-               return ErrorCode;\r
-       }\r
+         return ErrorCode;\r
 \r
-       return ErrorCode;\r
+       return PIPE_RWSTREAM_NoError;\r
 }\r
 \r
 #endif\r
USB isp AVR programmer