usbhaudio.h File Reference

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Data Structures
struct	tUSBAudioFormat

Macros
#define	USBH_AUDIO_EVENT_OPEN   (USBH_AUDIO_EVENT_BASE + 0)
#define	USBH_AUDIO_EVENT_CLOSE   (USBH_AUDIO_EVENT_BASE + 1)
#define	USBH_AUDIO_FORMAT_IN   0x00000001
#define	USBH_AUDIO_FORMAT_OUT   0x00000000

Typedefs
typedef struct tUSBHostAudioInstance	tUSBHostAudioInstance
typedef void(*	tUSBHostAudioCallback) (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32Event, uint32_t ui32MsgParam, void *pvMsgData)

Functions
tUSBHostAudioInstance *	USBHostAudioOpen (uint32_t ui32Index, tUSBHostAudioCallback pfnCallback)
void	USBHostAudioClose (tUSBHostAudioInstance *psAudioInstance)
int32_t	USBHostAudioPlay (tUSBHostAudioInstance *psAudioInstance, void *pvBuffer, uint32_t ui32Size, tUSBHostAudioCallback pfnCallback)
uint32_t	USBHostAudioFormatGet (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32SampleRate, uint32_t ui32Bits, uint32_t ui32Channels, uint32_t ui32Flags)
uint32_t	USBHostAudioFormatSet (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32SampleRate, uint32_t ui32Bits, uint32_t ui32Channels, uint32_t ui32Flags)
int32_t	USBHostAudioRecord (tUSBHostAudioInstance *psAudioInstance, void *pvBuffer, uint32_t ui32Size, tUSBHostAudioCallback pfnCallback)
uint32_t	USBHostAudioVolumeGet (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32Interface, uint32_t ui32Channel)
void	USBHostAudioVolumeSet (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32Interface, uint32_t ui32Channel, uint32_t ui32Value)
uint32_t	USBHostAudioVolumeMaxGet (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32Interface, uint32_t ui32Channel)
uint32_t	USBHostAudioVolumeMinGet (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32Interface, uint32_t ui32Channel)
uint32_t	USBHostAudioVolumeResGet (tUSBHostAudioInstance *psAudioInstance, uint32_t ui32Interface, uint32_t ui32Channel)
uint32_t	USBHostAudioLPMSleep (tUSBHostAudioInstance *psAudioInstance)
uint32_t	USBHostAudioLPMStatus (tUSBHostAudioInstance *psAudioInstance)