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Fix bugs in the Host mode Audio class driver.

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This commit is contained in:
Dean Camera 2011-06-12 13:59:03 +00:00
parent 6e2a3174a5
commit 6e0a26083a
4 changed files with 25 additions and 13 deletions
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5
LUFA/Drivers/USB/Class/Host/Audio.c
View File

@ -102,7 +102,7 @@ uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfa
Size = DataINEndpoint->EndpointSize; Size = DataINEndpoint->EndpointSize;
EndpointAddress = DataINEndpoint->EndpointAddress; EndpointAddress = DataINEndpoint->EndpointAddress;
Token = PIPE_TOKEN_IN; Token = PIPE_TOKEN_IN;
Type = EP_TYPE_BULK; Type = EP_TYPE_ISOCHRONOUS;
DoubleBanked = true; DoubleBanked = true;
AudioInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; AudioInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
@ -211,6 +211,9 @@ uint8_t Audio_GetSetEndpointProperty(USB_ClassInfo_Audio_Host_t* const AudioInte
uint16_t const DataLength, uint16_t const DataLength,
void* const Data) void* const Data)
{ {
if (!(AudioInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t RequestType; uint8_t RequestType;
uint8_t EndpointAddress; uint8_t EndpointAddress;

19
LUFA/Drivers/USB/Class/Host/Audio.h
View File

@ -79,8 +79,14 @@
{ {
const struct const struct
{ {
uint8_t DataINPipeNumber; /**< Pipe number of the Audio interface's IN data pipe. */ uint8_t DataINPipeNumber; /**< Pipe number of the Audio interface's IN data pipe. If this interface should not
uint8_t DataOUTPipeNumber; /**< Pipe number of the Audio interface's OUT data pipe. */ * bind to an IN endpoint, this may be set to 0 to disable audio input streaming for
* this driver instance.
*/
uint8_t DataOUTPipeNumber; /**< Pipe number of the Audio interface's OUT data pipe. If this interface should not
* bind to an OUT endpoint, this may be set to 0 to disable audio output streaming for
* this driver instance.
*/
} Config; /**< Config data for the USB class interface within the device. All elements in this section } Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly. * <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/ */
@ -325,10 +331,11 @@
{ {
Pipe_Write_8(Sample); Pipe_Write_8(Sample);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataOUTPipeSize) if (!(Pipe_IsReadWriteAllowed()))
{ {
Pipe_Unfreeze(); Pipe_Unfreeze();
Pipe_ClearOUT(); Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze(); Pipe_Freeze();
} }
} }
@ -348,10 +355,11 @@
{ {
Pipe_Write_16_LE(Sample); Pipe_Write_16_LE(Sample);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataOUTPipeSize) if (!(Pipe_IsReadWriteAllowed()))
{ {
Pipe_Unfreeze(); Pipe_Unfreeze();
Pipe_ClearOUT(); Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze(); Pipe_Freeze();
} }
} }
@ -372,10 +380,11 @@
Pipe_Write_16_LE(Sample); Pipe_Write_16_LE(Sample);
Pipe_Write_8(Sample >> 16); Pipe_Write_8(Sample >> 16);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataOUTPipeSize) if (!(Pipe_IsReadWriteAllowed()))
{ {
Pipe_Unfreeze(); Pipe_Unfreeze();
Pipe_ClearOUT(); Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze(); Pipe_Freeze();
} }
} }