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P5_SETR2/Components/wm8994/Release_Notes.html Normal file
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<meta charset="utf-8" />
<meta name="generator" content="pandoc" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
<title>Release Notes for WM8994 Component Drivers</title>
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code{white-space: pre-wrap;}
span.smallcaps{font-variant: small-caps;}
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<body>
<div class="row">
<div class="col-sm-12 col-lg-4">
<div class="card fluid">
<div class="sectione dark">
<center>
<h1 id="release-notes-for-wm8994-component-drivers"><small>Release Notes for</small> <mark>WM8994 Component Drivers</mark></h1>
<p>Copyright © 2016 STMicroelectronics<br />
</p>
<a href="https://www.st.com" class="logo"><img src="../../../../_htmresc/st_logo.png" alt="ST logo" /></a>
</center>
</div>
</div>
<h1 id="license">License</h1>
<p>Licensed by ST under BSD 3-Clause license (the "License"). You may not use this package except in compliance with the License. You may obtain a copy of the License at:</p>
<p><a href="https://opensource.org/licenses/BSD-3-Clause">https://opensource.org/licenses/BSD-3-Clause</a></p>
<h1 id="purpose">Purpose</h1>
<p>This directory contains the WM8994 component drivers.</p>
</div>
<div class="col-sm-12 col-lg-8">
<h1 id="update-history">Update History</h1>
<div class="collapse">
<input type="checkbox" id="collapse-section22" checked aria-hidden="true"> <label for="collapse-section22" aria-hidden="true">V2.3.1 / 03-April-2019</label>
<div>
<h2 id="main-changes">Main Changes</h2>
<ul>
<li>Update release notes format</li>
<li>Reformat the BSD 3-Clause license declaration in the files header (replace license terms by a web reference to OSI website where those terms lie)</li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section19" aria-hidden="true"> <label for="collapse-section19" aria-hidden="true">V2.3.0 / 24-January-2018</label>
<div>
<h2 id="main-changes-1">Main Changes</h2>
<ul>
<li>wm8994.c: fix no audio output issue</li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section18" aria-hidden="true"> <label for="collapse-section18" aria-hidden="true">V2.2.0 / 05-June-2017</label>
<div>
<h2 id="main-changes-2">Main Changes</h2>
<ul>
<li>Add support of ColdStartup sequence for headphone
<ul>
<li>Unmute is performed in a gradual way to minimize pop noise.</li>
<li>Update wm8994_SetFrequency to support AUDIO_FREQUENCY_32K</li>
<li>Update comments to be used for PDSC generation</li>
</ul></li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section185" aria-hidden="true"> <label for="collapse-section185" aria-hidden="true">V2.1.0 / 22-February-2016</label>
<div>
<h2 id="main-changes-3">Main Changes</h2>
<ul>
<li>wm8994.c
<ul>
<li>Update wm8994_Init() by adding the support of analog microphone connected to INPUT LINE 1, INPUT_DEVICE_DIGITAL_MICROPHONE_1 and INPUT_DEVICE_DIGITAL_MIC1_MIC2</li>
<li>Add AUDIO_FREQUENCY_32K as possible AudioFreq value</li>
</ul></li>
<li>wm8994.h
<ul>
<li>Add INPUT_DEVICE_DIGITAL_MIC1_MIC2 define</li>
</ul></li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section17" aria-hidden="true"> <label for="collapse-section17" aria-hidden="true">V2.0.0 / 24-June-2015</label>
<div>
<h2 id="main-changes-4">Main Changes</h2>
<ul>
<li>wm8994.h
<ul>
<li>Add codec de-initialization function: wm8994_DeInit()</li>
<li>Add Audio IO de-initialization function prototype: AUDIO_IO_DeInit()</li>
<li>Add INPUT_DEVICE_INPUT_LINE_1 and INPUT_DEVICE_INPUT_LINE_1 support for AUDIO IN</li>
<li>Add Input audio volume control support</li>
</ul></li>
<li>wm8994.c
<ul>
<li>Update wm8994_Init() function to support the Audio IN</li>
<li>Update wm8994_Stop() function to only stop the codec if it was configured</li>
<li>Enable VMID_BUF_ENA bit in R57 ANTIPOP register (address 0x39) for all configurations</li>
</ul></li>
</ul>
<p><strong><span class="underline"><span style="font-size: 10pt; font-family: Verdana; color: black;">NOTE</span></span></strong> This release must be used with BSP Common driver V4.0.0 or later.</p>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section16" aria-hidden="true"> <label for="collapse-section16" aria-hidden="true">V1.0.2 / 12-February-2015</label>
<div>
<h2 id="main-changes-5">Main Changes</h2>
<ul>
<li>wm8994.c: Update the wm8994_Init() function to set the volume after enabling the dynamic charge pump power control mode</li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section165" aria-hidden="true"> <label for="collapse-section165" aria-hidden="true">V1.0.1 / 28-November-2014</label>
<div>
<h2 id="main-changes-6">Main Changes</h2>
<ul>
<li>wm8994.h: change “\” by “/” in the include path to fix compilation issue with Linux</li>
</ul>
</div>
</div>
<div class="collapse">
<input type="checkbox" id="collapse-section15" aria-hidden="true"> <label for="collapse-section15" aria-hidden="true">V1.0.0 / 18-February-2014</label>
<div>
<h2 id="main-changes-7">Main Changes</h2>
<ul>
<li>First official release</li>
</ul>
</div>
</div>
</div>
</div>
<footer class="sticky">
For complete documentation on <mark>STM32 Microcontrollers</mark> , visit: <a href="http://www.st.com/STM32">http://www.st.com/STM32</a>
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P5_SETR2/Components/wm8994/wm8994.c Normal file
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/**
******************************************************************************
* @file wm8994.h
* @author MCD Application Team
* @brief This file contains all the functions prototypes for the
* wm8994.c driver.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __WM8994_H
#define __WM8994_H
/* Includes ------------------------------------------------------------------*/
#include "../Common/audio.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup Component
* @{
*/
/** @addtogroup WM8994
* @{
*/
/** @defgroup WM8994_Exported_Types
* @{
*/
/**
* @}
*/
/** @defgroup WM8994_Exported_Constants
* @{
*/
/******************************************************************************/
/*************************** Codec User defines ******************************/
/******************************************************************************/
/* Codec output DEVICE */
#define OUTPUT_DEVICE_SPEAKER ((uint16_t)0x0001)
#define OUTPUT_DEVICE_HEADPHONE ((uint16_t)0x0002)
#define OUTPUT_DEVICE_BOTH ((uint16_t)0x0003)
#define OUTPUT_DEVICE_AUTO ((uint16_t)0x0004)
#define INPUT_DEVICE_DIGITAL_MICROPHONE_1 ((uint16_t)0x0100)
#define INPUT_DEVICE_DIGITAL_MICROPHONE_2 ((uint16_t)0x0200)
#define INPUT_DEVICE_INPUT_LINE_1 ((uint16_t)0x0300)
#define INPUT_DEVICE_INPUT_LINE_2 ((uint16_t)0x0400)
#define INPUT_DEVICE_DIGITAL_MIC1_MIC2 ((uint16_t)0x0800)
/* Volume Levels values */
#define DEFAULT_VOLMIN 0x00
#define DEFAULT_VOLMAX 0xFF
#define DEFAULT_VOLSTEP 0x04
#define AUDIO_PAUSE 0
#define AUDIO_RESUME 1
/* Codec POWER DOWN modes */
#define CODEC_PDWN_HW 1
#define CODEC_PDWN_SW 2
/* MUTE commands */
#define AUDIO_MUTE_ON 1
#define AUDIO_MUTE_OFF 0
/* AUDIO FREQUENCY */
#define AUDIO_FREQUENCY_192K ((uint32_t)192000)
#define AUDIO_FREQUENCY_96K ((uint32_t)96000)
#define AUDIO_FREQUENCY_48K ((uint32_t)48000)
#define AUDIO_FREQUENCY_44K ((uint32_t)44100)
#define AUDIO_FREQUENCY_32K ((uint32_t)32000)
#define AUDIO_FREQUENCY_22K ((uint32_t)22050)
#define AUDIO_FREQUENCY_16K ((uint32_t)16000)
#define AUDIO_FREQUENCY_11K ((uint32_t)11025)
#define AUDIO_FREQUENCY_8K ((uint32_t)8000)
#define VOLUME_CONVERT(Volume) (((Volume) > 100)? 100:((uint8_t)(((Volume) * 63) / 100)))
#define VOLUME_IN_CONVERT(Volume) (((Volume) >= 100)? 239:((uint8_t)(((Volume) * 240) / 100)))
/******************************************************************************/
/****************************** REGISTER MAPPING ******************************/
/******************************************************************************/
/**
* @brief WM8994 ID
*/
#define WM8994_ID 0x8994
/**
* @brief Device ID Register: Reading from this register will indicate device
* family ID 8994h
*/
#define WM8994_CHIPID_ADDR 0x00
/**
* @}
*/
/** @defgroup WM8994_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup WM8994_Exported_Functions
* @{
*/
/*------------------------------------------------------------------------------
Audio Codec functions
------------------------------------------------------------------------------*/
/* High Layer codec functions */
uint32_t wm8994_Init(uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq);
void wm8994_DeInit(void);
uint32_t wm8994_ReadID(uint16_t DeviceAddr);
uint32_t wm8994_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size);
uint32_t wm8994_Pause(uint16_t DeviceAddr);
uint32_t wm8994_Resume(uint16_t DeviceAddr);
uint32_t wm8994_Stop(uint16_t DeviceAddr, uint32_t Cmd);
uint32_t wm8994_SetVolume(uint16_t DeviceAddr, uint8_t Volume);
uint32_t wm8994_SetMute(uint16_t DeviceAddr, uint32_t Cmd);
uint32_t wm8994_SetOutputMode(uint16_t DeviceAddr, uint8_t Output);
uint32_t wm8994_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq);
uint32_t wm8994_Reset(uint16_t DeviceAddr);
/* AUDIO IO functions */
void AUDIO_IO_Init(void);
void AUDIO_IO_DeInit(void);
void AUDIO_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value);
uint8_t AUDIO_IO_Read(uint8_t Addr, uint16_t Reg);
void AUDIO_IO_Delay(uint32_t Delay);
/* Audio driver structure */
extern AUDIO_DrvTypeDef wm8994_drv;
#endif /* __WM8994_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/