Additional fixes to the MIDI host driver due to not unfreezing/re-freezing pipes...

diff --git a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
index f4a52ac..f6b607a 100644 (file)
--- a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
+++ b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
@@ -167,6 +167,7 @@ void MIDIHost_Task(void)
          return;
 
        Pipe_SelectPipe(MIDI_DATA_IN_PIPE);
+       Pipe_Unfreeze();
 
        if (Pipe_IsINReceived())
        {
@@ -187,8 +188,11 @@ void MIDIHost_Task(void)
                                                                                                                                                                   MIDIEvent.Data2, MIDIEvent.Data3);
                }
        }
+       
+       Pipe_Freeze();
 
        Pipe_SelectPipe(MIDI_DATA_OUT_PIPE);
+       Pipe_Unfreeze();
 
        if (Pipe_IsOUTReady())
        {
@@ -251,6 +255,8 @@ void MIDIHost_Task(void)
                        Pipe_ClearOUT();
                }
 
+               Pipe_Freeze();
+
                /* Save previous joystick value for next joystick change detection */
                PrevJoystickStatus = JoystickStatus;
        }

diff --git a/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c b/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c
index 1300577..b1abb68 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c
+++ b/LUFA/Drivers/USB/Class/Host/MIDIClassHost.c
@@ -156,15 +156,21 @@ uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
        uint8_t ErrorCode;
 
        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;
 }
 
@@ -177,13 +183,19 @@ uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterface
        uint8_t ErrorCode;
 
        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;
 }