171 lines
5.4 KiB
C
171 lines
5.4 KiB
C
/**
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******************************************************************************
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* @file wm8994.h
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* @author MCD Application Team
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* @brief This file contains all the functions prototypes for the
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* wm8994.c driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __WM8994_H
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#define __WM8994_H
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/* Includes ------------------------------------------------------------------*/
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#include "../Common/audio.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup Component
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* @{
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*/
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/** @addtogroup WM8994
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* @{
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*/
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/** @defgroup WM8994_Exported_Types
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup WM8994_Exported_Constants
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* @{
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*/
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/******************************************************************************/
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/*************************** Codec User defines ******************************/
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/******************************************************************************/
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/* Codec output DEVICE */
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#define OUTPUT_DEVICE_SPEAKER ((uint16_t)0x0001)
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#define OUTPUT_DEVICE_HEADPHONE ((uint16_t)0x0002)
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#define OUTPUT_DEVICE_BOTH ((uint16_t)0x0003)
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#define OUTPUT_DEVICE_AUTO ((uint16_t)0x0004)
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#define INPUT_DEVICE_DIGITAL_MICROPHONE_1 ((uint16_t)0x0100)
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#define INPUT_DEVICE_DIGITAL_MICROPHONE_2 ((uint16_t)0x0200)
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#define INPUT_DEVICE_INPUT_LINE_1 ((uint16_t)0x0300)
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#define INPUT_DEVICE_INPUT_LINE_2 ((uint16_t)0x0400)
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#define INPUT_DEVICE_DIGITAL_MIC1_MIC2 ((uint16_t)0x0800)
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/* Volume Levels values */
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#define DEFAULT_VOLMIN 0x00
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#define DEFAULT_VOLMAX 0xFF
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#define DEFAULT_VOLSTEP 0x04
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#define AUDIO_PAUSE 0
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#define AUDIO_RESUME 1
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/* Codec POWER DOWN modes */
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#define CODEC_PDWN_HW 1
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#define CODEC_PDWN_SW 2
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/* MUTE commands */
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#define AUDIO_MUTE_ON 1
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#define AUDIO_MUTE_OFF 0
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/* AUDIO FREQUENCY */
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#define AUDIO_FREQUENCY_192K ((uint32_t)192000)
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#define AUDIO_FREQUENCY_96K ((uint32_t)96000)
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#define AUDIO_FREQUENCY_48K ((uint32_t)48000)
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#define AUDIO_FREQUENCY_44K ((uint32_t)44100)
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#define AUDIO_FREQUENCY_32K ((uint32_t)32000)
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#define AUDIO_FREQUENCY_22K ((uint32_t)22050)
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#define AUDIO_FREQUENCY_16K ((uint32_t)16000)
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#define AUDIO_FREQUENCY_11K ((uint32_t)11025)
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#define AUDIO_FREQUENCY_8K ((uint32_t)8000)
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#define VOLUME_CONVERT(Volume) (((Volume) > 100)? 100:((uint8_t)(((Volume) * 63) / 100)))
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#define VOLUME_IN_CONVERT(Volume) (((Volume) >= 100)? 239:((uint8_t)(((Volume) * 240) / 100)))
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/******************************************************************************/
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/****************************** REGISTER MAPPING ******************************/
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/******************************************************************************/
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/**
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* @brief WM8994 ID
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*/
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#define WM8994_ID 0x8994
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/**
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* @brief Device ID Register: Reading from this register will indicate device
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* family ID 8994h
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*/
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#define WM8994_CHIPID_ADDR 0x00
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/**
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* @}
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*/
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/** @defgroup WM8994_Exported_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup WM8994_Exported_Functions
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* @{
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*/
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/*------------------------------------------------------------------------------
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Audio Codec functions
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------------------------------------------------------------------------------*/
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/* High Layer codec functions */
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uint32_t wm8994_Init(uint16_t DeviceAddr, uint16_t OutputInputDevice, uint8_t Volume, uint32_t AudioFreq);
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void wm8994_DeInit(void);
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uint32_t wm8994_ReadID(uint16_t DeviceAddr);
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uint32_t wm8994_Play(uint16_t DeviceAddr, uint16_t* pBuffer, uint16_t Size);
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uint32_t wm8994_Pause(uint16_t DeviceAddr);
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uint32_t wm8994_Resume(uint16_t DeviceAddr);
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uint32_t wm8994_Stop(uint16_t DeviceAddr, uint32_t Cmd);
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uint32_t wm8994_SetVolume(uint16_t DeviceAddr, uint8_t Volume);
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uint32_t wm8994_SetMute(uint16_t DeviceAddr, uint32_t Cmd);
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uint32_t wm8994_SetOutputMode(uint16_t DeviceAddr, uint8_t Output);
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uint32_t wm8994_SetFrequency(uint16_t DeviceAddr, uint32_t AudioFreq);
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uint32_t wm8994_Reset(uint16_t DeviceAddr);
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/* AUDIO IO functions */
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void AUDIO_IO_Init(void);
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void AUDIO_IO_DeInit(void);
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void AUDIO_IO_Write(uint8_t Addr, uint16_t Reg, uint16_t Value);
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uint8_t AUDIO_IO_Read(uint8_t Addr, uint16_t Reg);
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void AUDIO_IO_Delay(uint32_t Delay);
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/* Audio driver structure */
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extern AUDIO_DrvTypeDef wm8994_drv;
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#endif /* __WM8994_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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