STM32F723E-Discovery BSP User Manual: stm32f723e_discovery_audio.h File Reference

STM32F723E-Discovery BSP Drivers

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Defines | Functions
stm32f723e_discovery_audio.h File Reference

This file contains the common defines and functions prototypes for the stm32f723e_discovery_audio.c driver. More...

#include "../Components/wm8994/wm8994.h" #include "stm32f723e_discovery.h"
#include <stdlib.h>

Go to the source code of this file.

Defines

#define BSP_AUDIO_OUT_CIRCULARMODE   ((uint32_t)0x00000001) /* BUFFER CIRCULAR MODE */
#define BSP_AUDIO_OUT_NORMALMODE   ((uint32_t)0x00000002) /* BUFFER NORMAL MODE */
#define BSP_AUDIO_OUT_STEREOMODE   ((uint32_t)0x00000004) /* STEREO MODE */
#define BSP_AUDIO_OUT_MONOMODE   ((uint32_t)0x00000008) /* MONO MODE */
#define BSP_AUDIO_FREQUENCY_96K   SAI_AUDIO_FREQUENCY_96K
#define BSP_AUDIO_FREQUENCY_48K   SAI_AUDIO_FREQUENCY_48K
#define BSP_AUDIO_FREQUENCY_44K   SAI_AUDIO_FREQUENCY_44K
#define BSP_AUDIO_FREQUENCY_32K   SAI_AUDIO_FREQUENCY_32K
#define BSP_AUDIO_FREQUENCY_22K   SAI_AUDIO_FREQUENCY_22K
#define BSP_AUDIO_FREQUENCY_16K   SAI_AUDIO_FREQUENCY_16K
#define BSP_AUDIO_FREQUENCY_11K   SAI_AUDIO_FREQUENCY_11K
#define BSP_AUDIO_FREQUENCY_8K   SAI_AUDIO_FREQUENCY_8K
#define CODEC_AUDIOFRAME_SLOT_0123   SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_1 | SAI_SLOTACTIVE_2 | SAI_SLOTACTIVE_3
 CODEC_AudioFrame_SLOT_TDMMode In W8994 codec the Audio frame contains 4 slots : TDM Mode TDM format : +------------------|------------------|--------------------|-------------------+ | CODEC_SLOT0 Left | CODEC_SLOT1 Left | CODEC_SLOT0 Right | CODEC_SLOT1 Right | +------------------------------------------------------------------------------+.
#define CODEC_AUDIOFRAME_SLOT_02   SAI_SLOTACTIVE_0 | SAI_SLOTACTIVE_2
#define CODEC_AUDIOFRAME_SLOT_13   SAI_SLOTACTIVE_1 | SAI_SLOTACTIVE_3
#define AUDIO_OUT_SAIx   SAI2_Block_A
#define AUDIO_OUT_SAIx_CLK_ENABLE()   __HAL_RCC_SAI2_CLK_ENABLE()
#define AUDIO_OUT_SAIx_CLK_DISABLE()   __HAL_RCC_SAI2_CLK_DISABLE()
#define AUDIO_OUT_SAIx_AF   GPIO_AF10_SAI2
#define AUDIO_OUT_SAIx_MCLK_ENABLE()   __HAL_RCC_GPIOI_CLK_ENABLE()
#define AUDIO_OUT_SAIx_MCLK_GPIO_PORT   GPIOI
#define AUDIO_OUT_SAIx_MCLK_PIN   GPIO_PIN_4
#define AUDIO_OUT_SAIx_SD_FS_CLK_ENABLE()   __HAL_RCC_GPIOI_CLK_ENABLE()
#define AUDIO_OUT_SAIx_SD_FS_SCK_GPIO_PORT   GPIOI
#define AUDIO_OUT_SAIx_FS_PIN   GPIO_PIN_7
#define AUDIO_OUT_SAIx_SCK_PIN   GPIO_PIN_5
#define AUDIO_OUT_SAIx_SD_PIN   GPIO_PIN_6
#define AUDIO_OUT_SAIx_DMAx_CLK_ENABLE()   __HAL_RCC_DMA2_CLK_ENABLE()
#define AUDIO_OUT_SAIx_DMAx_STREAM   DMA2_Stream4
#define AUDIO_OUT_SAIx_DMAx_CHANNEL   DMA_CHANNEL_3
#define AUDIO_OUT_SAIx_DMAx_IRQ   DMA2_Stream4_IRQn
#define AUDIO_OUT_SAIx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_HALFWORD
#define AUDIO_OUT_SAIx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_HALFWORD
#define DMA_MAX_SZE   0xFFFF
#define AUDIO_OUT_SAIx_DMAx_IRQHandler   DMA2_Stream4_IRQHandler
#define AUDIO_OUT_IRQ_PREPRIO   ((uint32_t)0x0E) /* Select the preemption priority level(0 is the highest) */
#define AUDIO_IN_SAIx   SAI2_Block_B
#define AUDIO_IN_SAIx_CLK_ENABLE()   __HAL_RCC_SAI2_CLK_ENABLE()
#define AUDIO_IN_SAIx_CLK_DISABLE()   __HAL_RCC_SAI2_CLK_DISABLE()
#define AUDIO_IN_SAIx_SD_AF   GPIO_AF10_SAI2
#define AUDIO_IN_SAIx_SD_ENABLE()   __HAL_RCC_GPIOG_CLK_ENABLE()
#define AUDIO_IN_SAIx_SD_GPIO_PORT   GPIOG
#define AUDIO_IN_SAIx_SD_PIN   GPIO_PIN_10
#define AUDIO_IN_INT_GPIO_ENABLE()   __HAL_RCC_GPIOG_CLK_ENABLE()
#define AUDIO_IN_INT_GPIO_PORT   GPIOG
#define AUDIO_IN_INT_GPIO_PIN   GPIO_PIN_15
#define AUDIO_IN_INT_IRQ   EXTI15_10_IRQn
#define AUDIO_IN_SAIx_DMAx_CLK_ENABLE()   __HAL_RCC_DMA2_CLK_ENABLE()
#define AUDIO_IN_SAIx_DMAx_STREAM   DMA2_Stream6
#define AUDIO_IN_SAIx_DMAx_CHANNEL   DMA_CHANNEL_3
#define AUDIO_IN_SAIx_DMAx_IRQ   DMA2_Stream6_IRQn
#define AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_HALFWORD
#define AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_HALFWORD
#define AUDIO_IN_SAIx_DMAx_IRQHandler   DMA2_Stream6_IRQHandler
#define AUDIO_IN_INT_IRQHandler   EXTI15_10_IRQHandler
#define AUDIO_IN_IRQ_PREPRIO   ((uint32_t)0x0F) /* Select the preemption priority level(0 is the highest) */
#define AUDIODATA_SIZE   2 /* 16-bits audio data size */
#define AUDIO_OK   ((uint8_t)0)
#define AUDIO_ERROR   ((uint8_t)1)
#define AUDIO_TIMEOUT   ((uint8_t)2)
#define DEFAULT_AUDIO_IN_FREQ   BSP_AUDIO_FREQUENCY_16K
#define DEFAULT_AUDIO_IN_BIT_RESOLUTION   ((uint8_t)16)
#define DEFAULT_AUDIO_IN_CHANNEL_NBR   ((uint8_t)2) /* Mono = 1, Stereo = 2 */
#define DEFAULT_AUDIO_IN_VOLUME   ((uint16_t)64)
#define CODEC_RESET_DELAY   ((uint8_t)5)
#define OUTPUT_DEVICE_HEADPHONE1   OUTPUT_DEVICE_HEADPHONE
#define OUTPUT_DEVICE_HEADPHONE2   OUTPUT_DEVICE_SPEAKER
#define DMA_MAX(x)   (((x) <= DMA_MAX_SZE)? (x):DMA_MAX_SZE)

Functions

uint8_t BSP_AUDIO_OUT_Init (uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq)
 Configures the audio out peripheral(SAI2 BlockA).
void BSP_AUDIO_OUT_DeInit (void)
 Deinit the audio peripherals.
uint8_t BSP_AUDIO_OUT_Play (uint16_t *pBuffer, uint32_t Size)
 Starts playing audio stream from a data buffer for a determined size.
uint8_t BSP_AUDIO_OUT_Pause (void)
 This function Pauses the audio file stream.
uint8_t BSP_AUDIO_OUT_Resume (void)
 This function Resumes the audio file stream.
uint8_t BSP_AUDIO_OUT_Stop (uint32_t Option)
 Stops audio playing and Power down the Audio Codec.
uint8_t BSP_AUDIO_OUT_SetVolume (uint8_t Volume)
 Controls the current audio volume level.
void BSP_AUDIO_OUT_SetFrequency (uint32_t AudioFreq)
 Updates the audio frequency.
void BSP_AUDIO_OUT_SetAudioFrameSlot (uint32_t AudioFrameSlot)
 Updates the Audio frame slot configuration.
uint8_t BSP_AUDIO_OUT_SetMute (uint32_t Cmd)
 Enables or disables the MUTE mode by software.
uint8_t BSP_AUDIO_OUT_SetOutputMode (uint8_t Output)
 Switch dynamically (while audio file is played) the output target (speaker or headphone).
void BSP_AUDIO_OUT_ChangeBuffer (uint16_t *pData, uint16_t Size)
 Send n-Bytes on the SAI interface.
void BSP_AUDIO_OUT_TransferComplete_CallBack (void)
 Manages the DMA full Transfer complete event.
void BSP_AUDIO_OUT_HalfTransfer_CallBack (void)
 Manages the DMA Half Transfer complete event.
void BSP_AUDIO_OUT_Error_CallBack (void)
 Manages the DMA FIFO error event.
void BSP_AUDIO_OUT_ClockConfig (SAI_HandleTypeDef *hsai, uint32_t AudioFreq, void *Params)
 Clock Config.
void BSP_AUDIO_OUT_MspInit (SAI_HandleTypeDef *hsai, void *Params)
 Initializes BSP_AUDIO_OUT MSP.
void BSP_AUDIO_OUT_MspDeInit (SAI_HandleTypeDef *hsai, void *Params)
 Deinitializes SAI MSP.
uint8_t BSP_AUDIO_IN_Init (uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr)
 Initializes wave recording.
uint8_t BSP_AUDIO_IN_InitEx (uint16_t InputDevice, uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr)
 Initializes wave recording.
uint8_t BSP_AUDIO_IN_OUT_Init (uint16_t InputDevice, uint16_t OutputDevice, uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr)
 Initializes wave recording and playback in parallel.
void BSP_AUDIO_IN_DeInit (void)
 Deinit the audio IN peripherals.
uint8_t BSP_AUDIO_IN_Record (uint16_t *pData, uint32_t Size)
 Starts audio recording.
uint8_t BSP_AUDIO_IN_Stop (uint32_t Option)
 Stops audio recording.
uint8_t BSP_AUDIO_IN_Pause (void)
 Pauses the audio file stream.
uint8_t BSP_AUDIO_IN_Resume (void)
 Resumes the audio file stream.
uint8_t BSP_AUDIO_IN_SetVolume (uint8_t Volume)
 Controls the audio in volume level.
void BSP_AUDIO_IN_TransferComplete_CallBack (void)
 User callback when record buffer is filled.
void BSP_AUDIO_IN_HalfTransfer_CallBack (void)
 Manages the DMA Half Transfer complete event.
void BSP_AUDIO_IN_Error_CallBack (void)
 Audio IN Error callback function.
void BSP_AUDIO_IN_ClockConfig (SAI_HandleTypeDef *hsai, uint32_t AudioFreq, void *Params)
 Clock Config.
void BSP_AUDIO_IN_MspInit (SAI_HandleTypeDef *hsai, void *Params)
 Initializes BSP_AUDIO_IN MSP.
void BSP_AUDIO_IN_MspDeInit (SAI_HandleTypeDef *hsai, void *Params)
 DeInitializes BSP_AUDIO_IN MSP.

Detailed Description

This file contains the common defines and functions prototypes for the stm32f723e_discovery_audio.c driver.

Author:
MCD Application Team
Version:
V1.0.0
Date:
30-December-2016
Attention:

© COPYRIGHT(c) 2016 STMicroelectronics

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.

Definition in file stm32f723e_discovery_audio.h.

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