usbh_audio.c File Reference

This file is the AC Layer Handlers for USB Host AC class. More...

#include "usbh_audio.h"

Go to the source code of this file.

Functions
int32_t	USBH_AUDIO_FindLinkedUnitIN (USBH_HandleTypeDef *phost, uint8_t UnitID)
int32_t	USBH_AUDIO_FindLinkedUnitOUT (USBH_HandleTypeDef *phost, uint8_t UnitID)
USBH_StatusTypeDef	USBH_AUDIO_SetFrequency (USBH_HandleTypeDef *phost, uint16_t SampleRate, uint8_t NbrChannels, uint8_t BitPerSample)
	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...
int32_t	USBH_AUDIO_GetOutOffset (USBH_HandleTypeDef *phost)
	USBH_AUDIO_GetOutOffset return the current buffer pointer for OUT process. More...
USBH_StatusTypeDef	USBH_AUDIO_ChangeOutBuffer (USBH_HandleTypeDef *phost, uint8_t *buf)
	USBH_AUDIO_ChangeOutBuffer Change audio data buffer address. More...
USBH_StatusTypeDef	USBH_AUDIO_SetVolume (USBH_HandleTypeDef *phost, AUDIO_VolumeCtrlTypeDef volume_ctl)
	USBH_AUDIO_SetVolume Set Volume. More...
__weak void	USBH_AUDIO_FrequencySet (USBH_HandleTypeDef *phost)
	The function informs user that Settings have been changed. More...
__weak 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 is the AC Layer Handlers for USB Host AC class.

Author

MCD Application Team

Version

V3.2.2

Date

07-July-2015

*      
*          ===================================================================      
*                                AUDIO Class  Description
*          ===================================================================
*           This driver manages the Audio Class 1.0 following the "USB Device 
*           Class Definition for Audio Devices V1.0 Mar 18, 98".
*   
*  

Attention

© COPYRIGHT 2015 STMicroelectronics

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.c.