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