Fixed ring buffer size limited to 255 elements, instead of the intended 65535 elements.

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / Audio.c

diff --git a/LUFA/Drivers/USB/Class/Device/Audio.c b/LUFA/Drivers/USB/Class/Device/Audio.c
index 8c5c996..cdbe1a0 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/Audio.c
+++ b/LUFA/Drivers/USB/Class/Device/Audio.c
@@ -42,8 +42,24 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi
        if (!(Endpoint_IsSETUPReceived()))
          return;
 
        if (!(Endpoint_IsSETUPReceived()))
          return;
 

-       if (USB_ControlRequest.wIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)
-         return;
+       if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_INTERFACE)
+       {
+               if (USB_ControlRequest.wIndex != AudioInterfaceInfo->Config.StreamingInterfaceNumber)
+                 return;
+       }
+       else if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT) == REQREC_ENDPOINT)
+       {
+               bool EndpointFilterMatch = false;
+       
+               EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataINEndpointNumber &&
+                                       ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DIR_IN  | AudioInterfaceInfo->Config.DataINEndpointNumber)));
+       
+               EndpointFilterMatch |= (AudioInterfaceInfo->Config.DataOUTEndpointNumber &&
+                                       ((uint8_t)USB_ControlRequest.wIndex == (ENDPOINT_DIR_OUT | AudioInterfaceInfo->Config.DataOUTEndpointNumber)));
+
+               if (!(EndpointFilterMatch))
+                 return;
+       }       

 
        switch (USB_ControlRequest.bRequest)
        {
 
        switch (USB_ControlRequest.bRequest)
        {


@@ -54,6 +70,7 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi
                                Endpoint_ClearStatusStage();
 
                                AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);
                                Endpoint_ClearStatusStage();
 
                                AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0);

+                               EVENT_Audio_Device_StreamStartStop(AudioInterfaceInfo);

                        }
 
                        break;
                        }
 
                        break;


@@ -64,6 +81,56 @@ void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const Audi
                                Endpoint_ClearSETUP();
                                Endpoint_ClearStatusStage();
                        }
                                Endpoint_ClearSETUP();
                                Endpoint_ClearStatusStage();
                        }

+
+                       break;
+               case AUDIO_REQ_SetCurrent:
+               case AUDIO_REQ_SetMinimum:
+               case AUDIO_REQ_SetMaximum:
+               case AUDIO_REQ_SetResolution:
+                       if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT))
+                       {
+                               uint8_t EndpointProperty = USB_ControlRequest.bRequest;
+                               uint8_t EndpointAddress  = (uint8_t)USB_ControlRequest.wIndex;
+                               uint8_t EndpointControl  = (USB_ControlRequest.wValue >> 8);
+                       
+                               if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+                                                                                EndpointControl, NULL, NULL))
+                               {
+                                       uint16_t ValueLength = USB_ControlRequest.wLength;
+                                       uint8_t  Value[ValueLength];
+                                       
+                                       Endpoint_ClearSETUP();
+                                       Endpoint_Read_Control_Stream_LE(Value, ValueLength);
+                                       Endpoint_ClearIN();                                     
+
+                                       CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+                                                                                    EndpointControl, &ValueLength, Value);
+                               }                               
+                       }
+
+                       break;
+               case AUDIO_REQ_GetCurrent:
+               case AUDIO_REQ_GetMinimum:
+               case AUDIO_REQ_GetMaximum:
+               case AUDIO_REQ_GetResolution:
+                       if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT))
+                       {
+                               uint8_t  EndpointProperty = USB_ControlRequest.bRequest;
+                               uint8_t  EndpointAddress  = (uint8_t)USB_ControlRequest.wIndex;
+                               uint8_t  EndpointControl  = (USB_ControlRequest.wValue >> 8);
+                               uint16_t ValueLength      = USB_ControlRequest.wLength;
+                               uint8_t  Value[ValueLength];
+
+                               if (CALLBACK_Audio_Device_GetSetEndpointProperty(AudioInterfaceInfo, EndpointProperty, EndpointAddress,
+                                                                                EndpointControl, &ValueLength, Value))
+                               {
+                                       Endpoint_ClearSETUP();
+                                       Endpoint_Write_Control_Stream_LE(Value, ValueLength);
+                                       Endpoint_ClearOUT();                                    
+                               }
+                       }
+
+                       break;

        }
 }
 
        }
 }
 


@@ -76,29 +143,40 @@ bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* const AudioIn
                uint16_t Size;
                uint8_t  Type;
                uint8_t  Direction;
                uint16_t Size;
                uint8_t  Type;
                uint8_t  Direction;

+               bool     DoubleBanked;

 
                if (EndpointNum == AudioInterfaceInfo->Config.DataINEndpointNumber)
                {
                        Size         = AudioInterfaceInfo->Config.DataINEndpointSize;
                        Direction    = ENDPOINT_DIR_IN;
                        Type         = EP_TYPE_ISOCHRONOUS;
 
                if (EndpointNum == AudioInterfaceInfo->Config.DataINEndpointNumber)
                {
                        Size         = AudioInterfaceInfo->Config.DataINEndpointSize;
                        Direction    = ENDPOINT_DIR_IN;
                        Type         = EP_TYPE_ISOCHRONOUS;

+                       DoubleBanked = true;

                }
                else if (EndpointNum == AudioInterfaceInfo->Config.DataOUTEndpointNumber)
                {
                        Size         = AudioInterfaceInfo->Config.DataOUTEndpointSize;
                        Direction    = ENDPOINT_DIR_OUT;
                        Type         = EP_TYPE_ISOCHRONOUS;
                }
                else if (EndpointNum == AudioInterfaceInfo->Config.DataOUTEndpointNumber)
                {
                        Size         = AudioInterfaceInfo->Config.DataOUTEndpointSize;
                        Direction    = ENDPOINT_DIR_OUT;
                        Type         = EP_TYPE_ISOCHRONOUS;

+                       DoubleBanked = true;

                }
                else
                {
                        continue;
                }
 
                }
                else
                {
                        continue;
                }
 

-               if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size, ENDPOINT_BANK_DOUBLE)))
-                 return false;
+               if (!(Endpoint_ConfigureEndpoint(EndpointNum, Type, Direction, Size,
+                                                DoubleBanked ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
+               {
+                       return false;
+               }

        }
 
        return true;
 }
 
        }
 
        return true;
 }
 

+void Audio_Device_Event_Stub(void)
+{
+
+}
+

 #endif
 #endif