This file contains all the prototypes for the usbh_audio.c. More...

#include "usbh_core.h"

Data Structures
struct	AUDIO_FormatTypeDef

struct	AUDIO_STREAMING_IN_HandleTypeDef

struct	AUDIO_STREAMING_OUT_HandleTypeDef

struct	AUDIO_ControlAttributeTypeDef

struct	AUDIO_InterfaceStreamPropTypeDef

struct	AUDIO_InterfaceControlPropTypeDef

struct	AUDIO_ASGeneralDescTypeDef

struct	AUDIO_ASFormatTypeDescTypeDef

struct	AUDIO_ASDescTypeDef

struct	AUDIO_HeaderDescTypeDef

struct	AUDIO_ITDescTypeDef

struct	AUDIO_OTDescTypeDef

struct	AUDIO_FeatureDescTypeDef

struct	AUDIO_MixerDescTypeDef

struct	AUDIO_SelectorDescTypeDef

struct	AUDIO_ACDescTypeDef

struct	AUDIO_ClassSpecificDescTypedef

struct	_AUDIO_Process

Macros
#define	AUDIO_MAX_AUDIO_STD_INTERFACE 0x05

#define	AUDIO_MAX_FREQ_SUPPORTED 0x05

#define	AUDIO_MAX_STREAMING_INTERFACE 0x05

#define	AUDIO_MAX_NUM_IN_TERMINAL 0x04

#define	AUDIO_MAX_NUM_OUT_TERMINAL 0x04

#define	AUDIO_MAX_NUM_FEATURE_UNIT 0x04

#define	AUDIO_MAX_NUM_MIXER_UNIT 0x04

#define	AUDIO_MAX_NUM_SELECTOR_UNIT 0x04

#define	HEADPHONE_SUPPORTED 0x01

#define	MICROPHONE_SUPPORTED 0x02

#define	HEADSET_SUPPORTED 0x03

#define	AUDIO_MAX_SAMFREQ_NBR 5

#define	AUDIO_MAX_INTERFACE_NBR 5

#define	AUDIO_MAX_CONTROLS_NBR 5

#define	AC_CLASS 0x01

#define	USB_SUBCLASS_AUDIOCONTROL 0x01

#define	USB_SUBCLASS_AUDIOSTREAMING 0x02

#define	USB_SUBCLASS_MIDISTREAMING 0x03

#define	USB_DESC_TYPE_CS_INTERFACE 0x24

#define	USB_DESC_TYPE_CS_ENDPOINT 0x25

#define	UAC_HEADER 0x01

#define	UAC_INPUT_TERMINAL 0x02

#define	UAC_OUTPUT_TERMINAL 0x03

#define	UAC_MIXER_UNIT 0x04

#define	UAC_SELECTOR_UNIT 0x05

#define	UAC_FEATURE_UNIT 0x06

#define	UAC_PROCESSING_UNIT 0x07

#define	UAC_EXTENSION_UNIT 0x08

#define	EP_CONTROL_UNDEFINED 0x00

#define	SAMPLING_FREQ_CONTROL 0x01

#define	PITCH_CONTROL 0x02

#define	FU_CONTROL_UNDEFINED 0x00

#define	MUTE_CONTROL 0x01

#define	VOLUME_CONTROL 0x02

#define	BASS_CONTROL 0x03

#define	MID_CONTROL 0x04

#define	TREBLE_CONTROL 0x05

#define	GRAPHIC_EQUALIZER_CONTROL 0x06

#define	AUTOMATIC_GAIN_CONTROL 0x07

#define	DELAY_CONTROL 0x08

#define	BASS_BOOST_CONTROL 0x09

#define	LOUDNESS_CONTROL 0x0A

#define	TE_CONTROL_UNDEFINED 0x00

#define	COPY_PROTECT_CONTROL 0x01

#define	UAC_AS_GENERAL 0x01

#define	UAC_FORMAT_TYPE 0x02

#define	UAC_FORMAT_SPECIFIC 0x03

#define	UAC_EP_GENERAL 0x01

#define	UAC_SET_ 0x00

#define	UAC_GET_ 0x80

#define	UAC__CUR 0x1

#define	UAC__MIN 0x2

#define	UAC__MAX 0x3

#define	UAC__RES 0x4

#define	UAC__MEM 0x5

#define	UAC_SET_CUR (UAC_SET_ \| UAC__CUR)

#define	UAC_GET_CUR (UAC_GET_ \| UAC__CUR)

#define	UAC_SET_MIN (UAC_SET_ \| UAC__MIN)

#define	UAC_GET_MIN (UAC_GET_ \| UAC__MIN)

#define	UAC_SET_MAX (UAC_SET_ \| UAC__MAX)

#define	UAC_GET_MAX (UAC_GET_ \| UAC__MAX)

#define	UAC_SET_RES (UAC_SET_ \| UAC__RES)

#define	UAC_GET_RES (UAC_GET_ \| UAC__RES)

#define	UAC_SET_MEM (UAC_SET_ \| UAC__MEM)

#define	UAC_GET_MEM (UAC_GET_ \| UAC__MEM)

#define	UAC_GET_STAT 0xff

#define	UAC_MS_HEADER 0x01

#define	UAC_MIDI_IN_JACK 0x02

#define	UAC_MIDI_OUT_JACK 0x03

#define	UAC_MS_GENERAL 0x01

#define	UAC_TERMINAL_UNDEFINED 0x100

#define	UAC_TERMINAL_STREAMING 0x101

#define	UAC_TERMINAL_VENDOR_SPEC 0x1FF

#define	USBH_AUDIO_CLASS &AUDIO_Class

#define	USBH_AUDIO_FrequencySetCallback USBH_AUDIO_FrequencySet

Typedefs
typedef struct _AUDIO_Process	AUDIO_HandleTypeDef

Enumerations
enum	AUDIO_StateTypeDef { AUDIO_INIT = 0, AUDIO_IDLE, AUDIO_CS_REQUESTS, AUDIO_SET_DEFAULT_FEATURE_UNIT, AUDIO_SET_INTERFACE, AUDIO_SET_STREAMING_INTERFACE, AUDIO_SET_CUR1, AUDIO_GET_MIN, AUDIO_GET_MAX, AUDIO_GET_RES, AUDIO_GET_CUR1, AUDIO_SET_CUR2, AUDIO_GET_CUR2, AUDIO_SET_CUR3, AUDIO_SET_INTERFACE0, AUDIO_SET_INTERFACE1, AUDIO_SET_INTERFACE2, AUDIO_ISOC_OUT, AUDIO_ISOC_IN, AUDIO_ISOC_POLL, AUDIO_ERROR }

enum	AUDIO_ReqStateTypeDef { AUDIO_REQ_INIT = 1, AUDIO_REQ_IDLE, AUDIO_REQ_SET_DEFAULT_IN_INTERFACE, AUDIO_REQ_SET_DEFAULT_OUT_INTERFACE, AUDIO_REQ_SET_IN_INTERFACE, AUDIO_REQ_SET_OUT_INTERFACE, AUDIO_REQ_CS_REQUESTS }

enum	AUDIO_CSReqStateTypeDef { AUDIO_REQ_SET_VOLUME = 1, AUDIO_REQ_SET_MUTE, AUDIO_REQ_GET_CURR_VOLUME, AUDIO_REQ_GET_MIN_VOLUME, AUDIO_REQ_GET_MAX_VOLUME, AUDIO_REQ_GET_VOLUME, AUDIO_REQ_GET_RESOLUTION, AUDIO_REQ_CS_IDLE }

enum	AUDIO_PlayStateTypeDef { AUDIO_PLAYBACK_INIT = 1, AUDIO_PLAYBACK_SET_EP, AUDIO_PLAYBACK_SET_EP_FREQ, AUDIO_PLAYBACK_PLAY, AUDIO_PLAYBACK_IDLE }

enum	AUDIO_VolumeCtrlTypeDef { VOLUME_UP = 1, VOLUME_DOWN = 2 }

enum	AUDIO_ControlStateTypeDef { AUDIO_CONTROL_INIT = 1, AUDIO_CONTROL_CHANGE, AUDIO_CONTROL_IDLE, AUDIO_CONTROL_VOLUME_UP, AUDIO_CONTROL_VOLUME_DOWN }

enum	AUDIO_ProcessingTypeDef { AUDIO_DATA_START_OUT = 1, AUDIO_DATA_OUT }

Functions
USBH_StatusTypeDef	USBH_AUDIO_SetFrequency (USBH_HandleTypeDef *phost, uint16_t sample_rate, uint8_t channel_num, uint8_t data_width)
	USBH_AUDIO_SetFrequency Set Audio sampling parameters. More...

USBH_StatusTypeDef	USBH_AUDIO_Play (USBH_HandleTypeDef phost, uint8_t buf, uint32_t length)
	USBH_AUDIO_Play Start playback process. More...

USBH_StatusTypeDef	USBH_AUDIO_Stop (USBH_HandleTypeDef *phost)
	USBH_AUDIO_Pause Stop the playback process. More...

USBH_StatusTypeDef	USBH_AUDIO_Suspend (USBH_HandleTypeDef *phost)
	USBH_AUDIO_Suspend Suspend the playback process. More...

USBH_StatusTypeDef	USBH_AUDIO_Resume (USBH_HandleTypeDef *phost)
	USBH_AUDIO_Resume Resume the playback process. More...

USBH_StatusTypeDef	USBH_AUDIO_SetVolume (USBH_HandleTypeDef *phost, AUDIO_VolumeCtrlTypeDef volume_ctl)
	USBH_AUDIO_SetVolume Set Volume. More...

USBH_StatusTypeDef	USBH_AUDIO_ChangeOutBuffer (USBH_HandleTypeDef phost, uint8_t buf)
	USBH_AUDIO_ChangeOutBuffer Change audio data buffer address. More...

int32_t	USBH_AUDIO_GetOutOffset (USBH_HandleTypeDef *phost)
	USBH_AUDIO_GetOutOffset return the current buffer pointer for OUT process. More...

void	USBH_AUDIO_FrequencySet (USBH_HandleTypeDef *phost)
	The function informs user that Settings have been changed. More...

void	USBH_AUDIO_BufferEmptyCallback (USBH_HandleTypeDef *phost)
	The function informs user that User data are processed. More...

Variables
USBH_ClassTypeDef	AUDIO_Class

Detailed Description

This file contains all the prototypes for the usbh_audio.c.

Author: MCD Application Team

Version: V3.2.2

Date: 07-July-2015

Attention

Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this file except in compliance with the License. You may obtain a copy of the License at:

   http://www.st.com/software_license_agreement_liberty_v2

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Definition in file usbh_audio.h.

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Detailed Description

© COPYRIGHT 2015 STMicroelectronics