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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</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* 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****/