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Added new callback to the Audio Class driver to allow for endpoint control manipulations such as data sample rates.

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Modified the Class Driver AudioInput and AudioOutput demos to support multiple sample rates.

Fixed KeyboardHost and KeyboardHostWithParser demos displaying incorrect values when numerical keys were pressed.

Fix broken LowLevel audio demo descriptors.

Minor documentation fixes.
This commit is contained in:
Dean Camera
2011-06-03 07:56:12 +00:00
parent c2135f2776
commit 2731c3a8ae
20 changed files with 336 additions and 51 deletions
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16
Demos/Device/ClassDriver/AudioOutput/Descriptors.c
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@@ -54,7 +54,7 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
.VendorID = 0x03EB,
.ProductID = 0x2046,
.ProductID = 0x206C,
.ReleaseNumber = VERSION_BCD(00.01),
.ManufacturerStrIndex = 0x01,
@@ -191,7 +191,9 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.Audio_AudioFormat =
{
.Header = {.Size = sizeof(USB_Audio_Descriptor_Format_t), .Type = DTYPE_CSInterface},
.Header = {.Size = sizeof(USB_Audio_Descriptor_Format_t) +
sizeof(ConfigurationDescriptor.Audio_AudioFormatSampleRates),
.Type = DTYPE_CSInterface},
.Subtype = AUDIO_DSUBTYPE_CSInterface_FormatType,
.FormatType = 0x01,
@@ -200,12 +202,16 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.SubFrameSize = 0x02,
.BitResolution = 16,
.TotalDiscreteSampleRates = 1,
.TotalDiscreteSampleRates = (sizeof(ConfigurationDescriptor.Audio_AudioFormatSampleRates) / sizeof(USB_Audio_SampleFreq_t)),
},
.Audio_AudioFormatSampleRates =
{
AUDIO_SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)
AUDIO_SAMPLE_FREQ(8000),
AUDIO_SAMPLE_FREQ(11025),
AUDIO_SAMPLE_FREQ(22050),
AUDIO_SAMPLE_FREQ(44100),
AUDIO_SAMPLE_FREQ(48000),
},
.Audio_StreamEndpoint =
@@ -229,7 +235,7 @@ const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
.Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Spc_t), .Type = DTYPE_CSEndpoint},
.Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
.Attributes = AUDIO_EP_ACCEPTS_SMALL_PACKETS,
.Attributes = (AUDIO_EP_ACCEPTS_SMALL_PACKETS | AUDIO_EP_SAMPLE_FREQ_CONTROL),
.LockDelayUnits = 0x00,
.LockDelay = 0x0000