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Fix bugs in the Host mode Audio class driver.

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Dean Camera 14 years ago
parent 6e2a3174a5
commit 6e0a26083a
4 changed files with 25 additions and 13 deletions
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  1. 4
      Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c
  2. 6
      Demos/Host/LowLevel/AudioOutputHost/ConfigDescriptor.c
  3. 9
      LUFA/Drivers/USB/Class/Host/Audio.c
  4. 19
      LUFA/Drivers/USB/Class/Host/Audio.h

4
Demos/Host/LowLevel/AudioInputHost/ConfigDescriptor.c
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@ -92,7 +92,7 @@ uint8_t ProcessConfigurationDescriptor(void)
{
/* Find a new Audio Control interface if the current one doesn't contain a compatible streaming interface */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
@ -103,7 +103,7 @@ uint8_t ProcessConfigurationDescriptor(void)
/* Find the next Audio Streaming interface within that Audio Control interface */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;

6
Demos/Host/LowLevel/AudioOutputHost/ConfigDescriptor.c
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@ -88,11 +88,11 @@ uint8_t ProcessConfigurationDescriptor(void)
/* Check if we haven't found an Audio Control interface yet, or if we have run out of related Audio Streaming interfaces */
if (!(AudioControlInterface) ||
USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Find a new Audio Control interface if the current one doesn't contain a compatible streaming interface */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;
@ -103,7 +103,7 @@ uint8_t ProcessConfigurationDescriptor(void)
/* Find the next Audio Streaming interface within that Audio Control interface */
if (USB_GetNextDescriptorComp(&CurrConfigBytesRem, &CurrConfigLocation,
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoCompatibleInterfaceFound;

9
LUFA/Drivers/USB/Class/Host/Audio.c
Unescape View File

@ -62,7 +62,7 @@ uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfa
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
DComp_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;
}
@ -70,7 +70,7 @@ uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfa
AudioControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
DComp_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;
}
@ -102,7 +102,7 @@ uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfa
Size = DataINEndpoint->EndpointSize;
EndpointAddress = DataINEndpoint->EndpointAddress;
Token = PIPE_TOKEN_IN;
Type = EP_TYPE_BULK;
Type = EP_TYPE_ISOCHRONOUS;
DoubleBanked = true;
AudioInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize;
@ -211,6 +211,9 @@ uint8_t Audio_GetSetEndpointProperty(USB_ClassInfo_Audio_Host_t* const AudioInte
uint16_t const DataLength,
void* const Data)
{
if (!(AudioInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t RequestType;
uint8_t EndpointAddress;

19
LUFA/Drivers/USB/Class/Host/Audio.h
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@ -79,8 +79,14 @@
{
const struct
{
uint8_t DataINPipeNumber; /**< Pipe number of the Audio interface's IN data pipe. */
uint8_t DataOUTPipeNumber; /**< Pipe number of the Audio interface's OUT data pipe. */
uint8_t DataINPipeNumber; /**< Pipe number of the Audio interface's IN data pipe. If this interface should not
* 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
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
@ -325,10 +331,11 @@
{
Pipe_Write_8(Sample);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataOUTPipeSize)
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
}
}
@ -348,10 +355,11 @@
{
Pipe_Write_16_LE(Sample);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataOUTPipeSize)
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
}
}
@ -372,10 +380,11 @@
Pipe_Write_16_LE(Sample);
Pipe_Write_8(Sample >> 16);
if (Pipe_BytesInPipe() == AudioInterfaceInfo->State.DataOUTPipeSize)
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
}
}

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