163 lines
5.2 KiB
C
163 lines
5.2 KiB
C
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/**
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******************************************************************************
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* @file audio.h
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* @author MCD Application Team
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* @version V4.0.1
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* @date 21-July-2015
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* @brief This header file contains the common defines and functions prototypes
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* for the Audio driver.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2015 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 __AUDIO_H
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#define __AUDIO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include <stdint.h>
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup Components
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* @{
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*/
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/** @addtogroup AUDIO
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* @{
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*/
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/** @defgroup AUDIO_Exported_Constants
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* @{
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*/
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/* Codec audio Standards */
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#define CODEC_STANDARD 0x04
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#define I2S_STANDARD I2S_STANDARD_PHILIPS
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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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* @}
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*/
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/** @defgroup AUDIO_Exported_Types
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* @{
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*/
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/** @defgroup AUDIO_Driver_structure Audio Driver structure
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* @{
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*/
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typedef struct
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{
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uint32_t (*Init)(uint16_t, uint16_t, uint8_t, uint32_t);
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void (*DeInit)(void);
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uint32_t (*ReadID)(uint16_t);
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uint32_t (*Play)(uint16_t, uint16_t*, uint16_t);
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uint32_t (*Pause)(uint16_t);
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uint32_t (*Resume)(uint16_t);
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uint32_t (*Stop)(uint16_t, uint32_t);
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uint32_t (*SetFrequency)(uint16_t, uint32_t);
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uint32_t (*SetVolume)(uint16_t, uint8_t);
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uint32_t (*SetMute)(uint16_t, uint32_t);
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uint32_t (*SetOutputMode)(uint16_t, uint8_t);
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uint32_t (*Reset)(uint16_t);
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}AUDIO_DrvTypeDef;
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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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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __AUDIO_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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