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Altered the definition of the USB_Audio_Descriptor_Format_t descriptor so that the user is now responsible for supplying the supported audio sampling rates, to allow for multiple audio interfaces with different numbers of supported rates and/or continuous sample rates.

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This commit is contained in:
Dean Camera 2011-05-30 11:07:57 +00:00
parent 78cfaac9b4
commit 2a26efc691
15 changed files with 59 additions and 28 deletions
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8
Demos/Device/ClassDriver/AudioOutput/Descriptors.c
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@ -200,8 +200,12 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.SubFrameSize = 0x02,
.BitResolution = 16,
.SampleFrequencyType = AUDIO_TOTAL_SAMPLE_RATES,
.SampleFrequencies = {AUDIO_SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}
.TotalDiscreteSampleRates = 1,
},
.Audio_AudioFormatSampleRates =
{
AUDIO_SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)
},
.Audio_StreamEndpoint =

1
Demos/Device/ClassDriver/AudioOutput/Descriptors.h
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@ -70,6 +70,7 @@
USB_Descriptor_Interface_t Audio_StreamInterface_Alt1;
USB_Audio_Descriptor_Interface_AS_t Audio_StreamInterface_SPC;
USB_Audio_Descriptor_Format_t Audio_AudioFormat;
USB_Audio_SampleFreq_t Audio_AudioFormatSampleRates[1];
USB_Audio_Descriptor_StreamEndpoint_Std_t Audio_StreamEndpoint;
USB_Audio_Descriptor_StreamEndpoint_Spc_t Audio_StreamEndpoint_SPC;
} USB_Descriptor_Configuration_t;