Added default test tone generation mode to the Device mode AudioInput demos.
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / MassStorage.c
index 0366703..26d096b 100644 (file)
@@ -1,7 +1,7 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
-              
+
   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */
@@ -9,13 +9,13 @@
 /*
   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
 
 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));
 
-       if (DESCRIPTOR_TYPE(DeviceConfigDescriptor) != DTYPE_Configuration)
+       if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
          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)
+                 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_MS_NextMSInterface(void* const CurrentDescriptor)
+static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor)
 {
        if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
        {
@@ -103,11 +117,11 @@ static uint8_t DCOMP_MS_NextMSInterface(void* const CurrentDescriptor)
                        return DESCRIPTOR_SEARCH_Found;
                }
        }
-       
+
        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)
        {
@@ -160,7 +174,7 @@ static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
                Pipe_Freeze();
                return ErrorCode;
        }
-       
+
        return ErrorCode;
 }
 
@@ -175,7 +189,7 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte
        while (!(Pipe_IsINReceived()))
        {
                uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();
-               
+
                if (CurrentFrameNumber != PreviousFrameNumber)
                {
                        PreviousFrameNumber = CurrentFrameNumber;
@@ -183,7 +197,7 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte
                        if (!(TimeoutMSRem--))
                          return PIPE_RWSTREAM_Timeout;
                }
-       
+
                Pipe_Freeze();
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipeNumber);
                Pipe_Unfreeze();
@@ -194,7 +208,7 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte
 
                        return PIPE_RWSTREAM_PipeStalled;
                }
-               
+
                Pipe_Freeze();
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
                Pipe_Unfreeze();
@@ -205,14 +219,14 @@ static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInte
 
                        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();
 
@@ -236,7 +250,7 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfac
 
                Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipeNumber);
                Pipe_Unfreeze();
-               
+
                if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NO_STREAM_CALLBACK)) != PIPE_RWSTREAM_NoError)
                  return ErrorCode;
 
@@ -251,7 +265,7 @@ static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfac
                  return ErrorCode;
 
                Pipe_ClearOUT();
-               
+
                while (!(Pipe_IsOUTReady()))
                {
                        if (USB_HostState == HOST_STATE_Unattached)
@@ -274,19 +288,19 @@ static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterf
 
        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 != MS_SCSI_COMMAND_Pass)
          ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
-       
+
        return ErrorCode;
 }
 
@@ -300,7 +314,7 @@ uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
                        .wIndex        = MSInterfaceInfo->State.InterfaceNumber,
                        .wLength       = 0,
                };
-       
+
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
 
        return USB_Host_SendControlRequest(NULL);
@@ -319,7 +333,7 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                        .wIndex        = MSInterfaceInfo->State.InterfaceNumber,
                        .wLength       = 1,
                };
-               
+
        Pipe_SelectPipe(PIPE_CONTROLPIPE);
 
        if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) != HOST_SENDCONTROL_Successful)
@@ -327,7 +341,7 @@ uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                *MaxLUNIndex = 0;
                ErrorCode = HOST_SENDCONTROL_Successful;
        }
-       
+
        return ErrorCode;
 }
 
@@ -337,7 +351,7 @@ 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)
@@ -356,12 +370,12 @@ uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                        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;
 
@@ -374,7 +388,7 @@ 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;      
+       uint8_t ErrorCode;
 
        MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
                {
@@ -392,12 +406,12 @@ uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                        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;
 
@@ -433,7 +447,7 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
                                        0x00                    // Unused (control)
                                }
                };
-       
+
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)
@@ -441,7 +455,7 @@ uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInf
 
        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;
 
@@ -473,7 +487,7 @@ uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
                                        0x00                                   // Unused (control)
                                }
                };
-       
+
        MS_CommandStatusWrapper_t SCSICommandStatus;
 
        if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData)) != PIPE_RWSTREAM_NoError)
@@ -510,12 +524,12 @@ uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInter
                                        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;
 
@@ -603,7 +617,7 @@ 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_GetReturnedStatus(MSInterfaceInfo, &SCSICommandStatus)) != PIPE_RWSTREAM_NoError)
          return ErrorCode;
 
@@ -611,3 +625,4 @@ uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo
 }
 
 #endif
+