This file provides the WM8994 Audio Codec driver. More...
#include "wm8994.h"
Include dependency graph for stm32h747/stm32h747i-disco/CM7/Drivers/BSP/Components/wm8994/wm8994.c:
Go to the source code of this file.
Functions | |
| int32_t | WM8994_DeInit (WM8994_Object_t *pObj) |
| Deinitializes the audio codec. More... | |
| static int32_t | WM8994_Delay (WM8994_Object_t *pObj, uint32_t Delay) |
| This function provides accurate delay (in milliseconds) More... | |
| int32_t | WM8994_GetFrequency (WM8994_Object_t *pObj, uint32_t *AudioFreq) |
| Get frequency. More... | |
| int32_t | WM8994_GetProtocol (WM8994_Object_t *pObj, uint32_t *Protocol) |
| Get Audio Protocol. More... | |
| int32_t | WM8994_GetResolution (WM8994_Object_t *pObj, uint32_t *Resolution) |
| Get Audio resolution. More... | |
| int32_t | WM8994_GetVolume (WM8994_Object_t *pObj, uint32_t InputOutput, uint8_t *Volume) |
| Get higher or lower the codec volume level. More... | |
| int32_t | WM8994_Init (WM8994_Object_t *pObj, WM8994_Init_t *pInit) |
| Initializes the audio codec and the control interface. More... | |
| int32_t | WM8994_Pause (WM8994_Object_t *pObj) |
| Pauses playing on the audio codec. More... | |
| int32_t | WM8994_Play (WM8994_Object_t *pObj) |
| Start the audio Codec play feature. More... | |
| int32_t | WM8994_ReadID (WM8994_Object_t *pObj, uint32_t *Id) |
| Get the WM8994 ID. More... | |
| static int32_t | WM8994_ReadRegWrap (void *handle, uint16_t Reg, uint8_t *pData, uint16_t Length) |
| Function. More... | |
| int32_t | WM8994_RegisterBusIO (WM8994_Object_t *pObj, WM8994_IO_t *pIO) |
| Function. More... | |
| int32_t | WM8994_Reset (WM8994_Object_t *pObj) |
| Resets wm8994 registers. More... | |
| int32_t | WM8994_Resume (WM8994_Object_t *pObj) |
| Resumes playing on the audio codec. More... | |
| int32_t | WM8994_SetFrequency (WM8994_Object_t *pObj, uint32_t AudioFreq) |
| Sets new frequency. More... | |
| int32_t | WM8994_SetMute (WM8994_Object_t *pObj, uint32_t Cmd) |
| Enables or disables the mute feature on the audio codec. More... | |
| int32_t | WM8994_SetOutputMode (WM8994_Object_t *pObj, uint32_t Output) |
| Switch dynamically (while audio file is played) the output target (speaker or headphone). More... | |
| int32_t | WM8994_SetProtocol (WM8994_Object_t *pObj, uint32_t Protocol) |
| Set Audio Protocol. More... | |
| int32_t | WM8994_SetResolution (WM8994_Object_t *pObj, uint32_t Resolution) |
| Set Audio resolution. More... | |
| int32_t | WM8994_SetVolume (WM8994_Object_t *pObj, uint32_t InputOutput, uint8_t Volume) |
| Set higher or lower the codec volume level. More... | |
| int32_t | WM8994_Stop (WM8994_Object_t *pObj, uint32_t CodecPdwnMode) |
| Stops audio Codec playing. It powers down the codec. More... | |
| static int32_t | WM8994_WriteRegWrap (void *handle, uint16_t Reg, uint8_t *pData, uint16_t Length) |
| Function. More... | |
Variables | |
| WM8994_Drv_t | WM8994_Driver |
Detailed Description
This file provides the WM8994 Audio Codec driver.
- Attention
© Copyright (c) 2014 STMicroelectronics. All rights reserved.
This software component is licensed by ST under BSD 3-Clause license, the "License"; You may not use this file except in compliance with the License. You may obtain a copy of the License at: opensource.org/licenses/BSD-3-Clause
Definition in file stm32h747/stm32h747i-disco/CM7/Drivers/BSP/Components/wm8994/wm8994.c.