Mark build test makefiles as being incompatible with parallel make builds, as they...
[pub/USBasp.git] / LUFA / Drivers / USB / Class / Host / MIDIClassHost.c
index 109b075..b1abb68 100644 (file)
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -78,45 +78,19 @@ uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceI
                  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 == MIDIInterfaceInfo->Config.DataINPipeNumber)
-               {
-                       Size            = le16_to_cpu(DataINEndpoint->EndpointSize);
-                       EndpointAddress = DataINEndpoint->EndpointAddress;
-                       Token           = PIPE_TOKEN_IN;
-                       Type            = EP_TYPE_BULK;
-                       DoubleBanked    = MIDIInterfaceInfo->Config.DataINPipeDoubleBank;
-
-                       MIDIInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
-               }
-               else if (PipeNum == MIDIInterfaceInfo->Config.DataOUTPipeNumber)
-               {
-                       Size            = le16_to_cpu(DataOUTEndpoint->EndpointSize);
-                       EndpointAddress = DataOUTEndpoint->EndpointAddress;
-                       Token           = PIPE_TOKEN_OUT;
-                       Type            = EP_TYPE_BULK;
-                       DoubleBanked    = MIDIInterfaceInfo->Config.DataOUTPipeDoubleBank;
-
-                       MIDIInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize;
-               }
-               else
-               {
-                       continue;
-               }
-
-               if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size,
-                                        DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE)))
-               {
-                       return MIDI_ENUMERROR_PipeConfigurationFailed;
-               }
-       }
+       MIDIInterfaceInfo->Config.DataINPipe.Size  = le16_to_cpu(DataINEndpoint->EndpointSize);
+       MIDIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
+       MIDIInterfaceInfo->Config.DataINPipe.Type  = EP_TYPE_BULK;
+       
+       MIDIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
+       MIDIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
+       MIDIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
+       
+       if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataINPipe, 1)))
+         return false;
+       
+       if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataOUTPipe, 1)))
+         return false; 
 
        MIDIInterfaceInfo->State.InterfaceNumber = MIDIInterface->InterfaceNumber;
        MIDIInterfaceInfo->State.IsActive = true;
@@ -171,7 +145,7 @@ void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
 
        #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
        MIDI_Host_Flush(MIDIInterfaceInfo);
-       #endif  
+       #endif
 }
 
 uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
@@ -181,16 +155,22 @@ uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
 
        uint8_t ErrorCode;
 
-       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
-
+       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address);
+       Pipe_Unfreeze();
+       
        if (Pipe_BytesInPipe())
        {
                Pipe_ClearOUT();
 
                if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
-                 return ErrorCode;
+               {
+                       Pipe_Freeze();
+                       return ErrorCode;
+               }
        }
 
+       Pipe_Freeze();
+
        return PIPE_READYWAIT_NoError;
 }
 
@@ -202,14 +182,20 @@ uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface
 
        uint8_t ErrorCode;
 
-       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipeNumber);
-
+       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address);
+       Pipe_Unfreeze();
+       
        if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != PIPE_RWSTREAM_NoError)
-         return ErrorCode;
+       {
+               Pipe_Freeze();
+               return ErrorCode;
+       }
 
        if (!(Pipe_IsReadWriteAllowed()))
          Pipe_ClearOUT();
 
+       Pipe_Freeze();
+
        return PIPE_RWSTREAM_NoError;
 }
 
@@ -218,18 +204,27 @@ bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface
 {
        if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
          return HOST_SENDCONTROL_DeviceDisconnected;
+         
+       bool DataReady = false;
 
-       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipeNumber);
+       Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipe.Address);
+       Pipe_Unfreeze();
 
-       if (!(Pipe_IsReadWriteAllowed()))
-         return false;
-
-       Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
-
-       if (!(Pipe_IsReadWriteAllowed()))
-         Pipe_ClearIN();
+       if (Pipe_IsINReceived())
+       {
+               if (Pipe_BytesInPipe())
+               {
+                       Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
+                       DataReady = true;
+               }
 
-       return true;
+               if (!(Pipe_BytesInPipe()))
+                 Pipe_ClearIN();
+       }
+       
+       Pipe_Freeze();
+       
+       return DataReady;
 }
 
 #endif