STM32412G-Discovery BSP User Manual: stm32412g_discovery_audio.h File Reference

STM32412G-Discovery BSP Drivers

stm32412g_discovery_audio.h File Reference

This file contains the common defines and functions prototypes for the stm32412g_discovery_audio.c driver. More...

#include "../Components/wm8994/wm8994.h" #include "stm32412g_discovery.h"
#include "../../../Middlewares/ST/STM32_Audio/Addons/PDM/pdm_filter.h"

Go to the source code of this file.

Data Structures

struct  AUDIOIN_ContextTypeDef

Defines

#define AUDIO_OUT_I2Sx   SPI3
#define AUDIO_OUT_I2Sx_CLK_ENABLE()   __HAL_RCC_SPI3_CLK_ENABLE()
#define AUDIO_OUT_I2Sx_CLK_DISABLE()   __HAL_RCC_SPI3_CLK_DISABLE()
#define AUDIO_OUT_I2Sx_MCK_PIN   GPIO_PIN_7
#define AUDIO_OUT_I2Sx_MCK_GPIO_PORT   GPIOC
#define AUDIO_OUT_I2Sx_MCK_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOC_CLK_ENABLE()
#define AUDIO_OUT_I2Sx_MCK_GPIO_CLK_DISABLE()   __HAL_RCC_GPIOC_CLK_DISABLE()
#define AUDIO_OUT_I2Sx_MCK_AF   GPIO_AF6_SPI3
#define AUDIO_OUT_I2Sx_SCK_PIN   GPIO_PIN_12
#define AUDIO_OUT_I2Sx_SCK_GPIO_PORT   GPIOB
#define AUDIO_OUT_I2Sx_SCK_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOB_CLK_ENABLE()
#define AUDIO_OUT_I2Sx_SCK_GPIO_CLK_DISABLE()   __HAL_RCC_GPIOB_CLK_DISABLE()
#define AUDIO_OUT_I2Sx_SCK_AF   GPIO_AF7_SPI3
#define AUDIO_OUT_I2Sx_WS_PIN   GPIO_PIN_4
#define AUDIO_OUT_I2Sx_WS_GPIO_PORT   GPIOA
#define AUDIO_OUT_I2Sx_WS_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOA_CLK_ENABLE()
#define AUDIO_OUT_I2Sx_WS_GPIO_CLK_DISABLE()   __HAL_RCC_GPIOA_CLK_DISABLE()
#define AUDIO_OUT_I2Sx_WS_AF   GPIO_AF6_SPI3
#define AUDIO_OUT_I2Sx_SD_PIN   GPIO_PIN_5
#define AUDIO_OUT_I2Sx_SD_GPIO_PORT   GPIOB
#define AUDIO_OUT_I2Sx_SD_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOB_CLK_ENABLE()
#define AUDIO_OUT_I2Sx_SD_GPIO_CLK_DISABLE()   __HAL_RCC_GPIOB_CLK_DISABLE()
#define AUDIO_OUT_I2Sx_SD_AF   GPIO_AF6_SPI3
#define AUDIO_OUT_I2Sx_DMAx_CLK_ENABLE()   __HAL_RCC_DMA1_CLK_ENABLE()
#define AUDIO_OUT_I2Sx_DMAx_CLK_DISABLE()   __HAL_RCC_DMA1_CLK_DISABLE()
#define AUDIO_OUT_I2Sx_DMAx_STREAM   DMA1_Stream5
#define AUDIO_OUT_I2Sx_DMAx_CHANNEL   DMA_CHANNEL_0
#define AUDIO_OUT_I2Sx_DMAx_IRQ   DMA1_Stream5_IRQn
#define AUDIO_OUT_I2Sx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_HALFWORD
#define AUDIO_OUT_I2Sx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_HALFWORD
#define DMA_MAX_SIZE   0xFFFF
#define AUDIO_OUT_I2Sx_DMAx_IRQHandler   DMA1_Stream5_IRQHandler
#define AUDIO_OUT_IRQ_PREPRIO   ((uint32_t)0x0E) /* Select the preemption priority level(0 is the highest) */
#define AUDIO_DFSDMx_MIC1_CHANNEL   DFSDM1_Channel0 /* MP34DT01TR microphone on PCB top side */
#define AUDIO_DFSDMx_MIC2_CHANNEL   DFSDM1_Channel3 /* MP34DT01TR microphone on PCB top side */
#define AUDIO_DFSDMx_MIC1_CHANNEL_FOR_FILTER   DFSDM_CHANNEL_0
#define AUDIO_DFSDMx_MIC2_CHANNEL_FOR_FILTER   DFSDM_CHANNEL_3
#define AUDIO_DFSDMx_MIC1_FILTER   DFSDM1_Filter0 /* Common filter for MP34DT01TR microphone input */
#define AUDIO_DFSDMx_MIC2_FILTER   DFSDM1_Filter1 /* Common filter for MP34DT01TR microphone input */
#define AUDIO_DFSDMx_CLK_ENABLE()   __HAL_RCC_DFSDM1_CLK_ENABLE()
#define AUDIO_DFSDMx_CKOUT_PIN   GPIO_PIN_2
#define AUDIO_DFSDMx_CKOUT_DMIC_GPIO_PORT   GPIOC
#define AUDIO_DFSDMx_CKOUT_DMIC_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOC_CLK_ENABLE()
#define AUDIO_DFSDMx_CKOUT_DMIC_AF   GPIO_AF8_DFSDM1
#define AUDIO_DFSDMx_DMIC_PIN   GPIO_PIN_1
#define AUDIO_DFSDMx_DMIC_GPIO_PORT   GPIOB
#define AUDIO_DFSDMx_DMIC_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOB_CLK_ENABLE()
#define AUDIO_DFSDMx_DMIC_AF   GPIO_AF8_DFSDM1
#define AUDIO_DFSDMx_DMAx_CLK_ENABLE()   __HAL_RCC_DMA2_CLK_ENABLE()
#define AUDIO_DFSDMx_DMAx_MIC1_STREAM   DMA2_Stream6
#define AUDIO_DFSDMx_DMAx_MIC1_CHANNEL   DMA_CHANNEL_3
#define AUDIO_DFSDMx_DMAx_MIC2_STREAM   DMA2_Stream4
#define AUDIO_DFSDMx_DMAx_MIC2_CHANNEL   DMA_CHANNEL_3
#define AUDIO_DFSDMx_DMAx_MIC1_IRQ   DMA2_Stream6_IRQn
#define AUDIO_DFSDMx_DMAx_MIC2_IRQ   DMA2_Stream4_IRQn
#define AUDIO_DFSDMx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_WORD
#define AUDIO_DFSDMx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_WORD
#define AUDIO_DFSDM_DMAx_MIC1_IRQHandler   DMA2_Stream6_IRQHandler
#define AUDIO_DFSDM_DMAx_MIC2_IRQHandler   DMA2_Stream4_IRQHandler
#define AUDIO_IN_IRQ_PREPRIO   0x0F /* Select the preemption priority level(0 is the highest) */
#define AUDIO_IN_I2Sx   SPI3
#define AUDIO_IN_I2Sx_CLK_ENABLE()   __HAL_RCC_SPI3_CLK_ENABLE()
#define AUDIO_IN_I2Sx_CLK_DISABLE()   __HAL_RCC_SPI3_CLK_DISABLE()
#define AUDIO_IN_I2Sx_EXT_SD_PIN   GPIO_PIN_4
#define AUDIO_IN_I2Sx_EXT_SD_GPIO_PORT   GPIOB
#define AUDIO_IN_I2Sx_EXT_SD_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOB_CLK_ENABLE()
#define AUDIO_IN_I2Sx_EXT_SD_GPIO_CLK_DISABLE()   __HAL_RCC_GPIOB_CLK_DISABLE()
#define AUDIO_IN_I2Sx_EXT_SD_AF   GPIO_AF7_SPI3
#define AUDIO_IN_I2Sx_DMAx_CLK_ENABLE()   __HAL_RCC_DMA1_CLK_ENABLE()
#define AUDIO_IN_I2Sx_DMAx_CLK_DISABLE()   __HAL_RCC_DMA1_CLK_DISABLE()
#define AUDIO_IN_I2Sx_DMAx_STREAM   DMA1_Stream0
#define AUDIO_IN_I2Sx_DMAx_CHANNEL   DMA_CHANNEL_3
#define AUDIO_IN_I2Sx_DMAx_IRQ   DMA1_Stream0_IRQn
#define AUDIO_IN_I2Sx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_HALFWORD
#define AUDIO_IN_I2Sx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_HALFWORD
#define AUDIO_IN_I2Sx_DMAx_IRQHandler   DMA1_Stream0_IRQHandler
#define AUDIO_IN_I2Sx_DMAx_IRQ   DMA1_Stream0_IRQn
#define AUDIO_TIMx_CLK_ENABLE()   __HAL_RCC_TIM4_CLK_ENABLE()
#define AUDIO_TIMx_CLK_DISABLE()   __HAL_RCC_TIM4_CLK_DISABLE()
#define AUDIO_TIMx   TIM4
#define AUDIO_TIMx_IN_CHANNEL   TIM_CHANNEL_1
#define AUDIO_TIMx_OUT_CHANNEL   TIM_CHANNEL_2 /* Select channel 2 as output */
#define AUDIO_TIMx_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOB_CLK_ENABLE()
#define AUDIO_TIMx_GPIO_CLK_DISABLE()   __HAL_RCC_GPIOB_CLK_DISABLE()
#define AUDIO_TIMx_GPIO_PORT   GPIOB
#define AUDIO_TIMx_IN_GPIO_PIN   GPIO_PIN_6
#define AUDIO_TIMx_OUT_GPIO_PIN   GPIO_PIN_7
#define AUDIO_TIMx_AF   GPIO_AF2_TIM4
#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_OUT_FREQ   I2S_AUDIOFREQ_48K
#define DEFAULT_AUDIO_OUT_BIT_RESOLUTION   ((uint8_t)16)
#define DEFAULT_AUDIO_OUT_CHANNEL_NBR   ((uint8_t)2) /* Mono = 1, Stereo = 2 */
#define DEFAULT_AUDIO_OUT_VOLUME   ((uint16_t)64)
#define DEFAULT_AUDIO_IN_FREQ   I2S_AUDIOFREQ_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 OUTPUT_DEVICE_HEADPHONE1   OUTPUT_DEVICE_HEADPHONE
#define OUTPUT_DEVICE_HEADPHONE2   OUTPUT_DEVICE_SPEAKER /* Headphone2 is connected to Speaker output of the wm8994 */
#define INPUT_DEVICE_ANALOG_MIC   ((uint32_t)0x00000001)
#define INPUT_DEVICE_DIGITAL_MIC1   ((uint32_t)0x00000010)
#define INPUT_DEVICE_DIGITAL_MIC2   ((uint32_t)0x00000020)
#define INPUT_DEVICE_DIGITAL_MIC   ((uint32_t)(INPUT_DEVICE_DIGITAL_MIC1 | INPUT_DEVICE_DIGITAL_MIC2))
#define DFSDM_MIC_NUMBER   (2)
#define DMA_MAX(x)   (((x) <= DMA_MAX_SIZE)? (x):DMA_MAX_SIZE)
#define POS_VAL(VAL)   (POSITION_VAL(VAL) - 4)

Functions

uint8_t BSP_AUDIO_OUT_Init (uint16_t OutputDevice, uint8_t Volume, uint32_t AudioFreq)
 Configures 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.
void BSP_AUDIO_OUT_ChangeBuffer (uint16_t *pData, uint16_t Size)
 Sends n-Bytes on the I2S interface.
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.
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_DeInit (void)
 Deinit the audio peripherals.
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 (I2S_HandleTypeDef *hi2s, uint32_t AudioFreq, void *Params)
 Clock Config.
void BSP_AUDIO_OUT_MspInit (I2S_HandleTypeDef *hi2s, void *Params)
 Initializes BSP_AUDIO_OUT MSP.
void BSP_AUDIO_OUT_MspDeInit (I2S_HandleTypeDef *hi2s, void *Params)
 Deinitializes I2S 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 (uint32_t InputDevice, uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr)
 Initializes wave recording.
uint8_t BSP_AUDIO_IN_ConfigMicDefault (uint32_t InputDevice)
 Initializes default configuration of the Digital Filter for Sigma-Delta Modulators interface (DFSDM).
uint8_t BSP_AUDIO_IN_ConfigDigitalMic (uint32_t InputDevice, void *Params)
 Initializes the Digital Filter for Sigma-Delta Modulators interface (DFSDM).
uint8_t BSP_AUDIO_IN_AllocScratch (int32_t *pScratch, uint32_t size)
 Allocate channel buffer scratch.
uint8_t BSP_AUDIO_IN_Record (uint16_t *pBuf, uint32_t Size)
 Starts audio recording.
uint8_t BSP_AUDIO_IN_RecordEx (uint32_t *pBuf, uint32_t Size)
 Starts audio recording.
uint8_t BSP_AUDIO_IN_SetFrequency (uint32_t AudioFreq)
uint8_t BSP_AUDIO_IN_Stop (void)
 Stops audio recording.
uint8_t BSP_AUDIO_IN_StopEx (uint32_t InputDevice)
 Stops audio recording.
uint8_t BSP_AUDIO_IN_Pause (void)
 Pauses the audio file stream.
uint8_t BSP_AUDIO_IN_PauseEx (uint32_t InputDevice)
 Pauses the audio file stream.
uint8_t BSP_AUDIO_IN_Resume (void)
 Resumes the audio file stream.
uint8_t BSP_AUDIO_IN_ResumeEx (uint32_t *pBuf, uint32_t InputDevice)
 Resumes the audio file stream.
uint8_t BSP_AUDIO_IN_SetVolume (uint8_t Volume)
 Controls the audio in volume level.
void BSP_AUDIO_IN_DeInit (void)
 DeInitializes the audio peripheral.
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_TransferComplete_CallBackEx (uint32_t InputDevice)
 User callback when record buffer is filled.
void BSP_AUDIO_IN_HalfTransfer_CallBackEx (uint32_t InputDevice)
 User callback when record buffer is filled.
void BSP_AUDIO_IN_Error_Callback (void)
 Audio IN Error callback function.
uint8_t BSP_AUDIO_IN_ClockConfig (uint32_t AudioFreq, void *Params)
 Clock Config.
void BSP_AUDIO_IN_MspInit (void *Params)
 Initializes BSP_AUDIO_IN MSP.
void BSP_AUDIO_IN_MspDeInit (void *Params)
 De-Initializes BSP_AUDIO_IN MSP.

Variables

__IO uint16_t AudioInVolume

Detailed Description

This file contains the common defines and functions prototypes for the stm32412g_discovery_audio.c driver.

Author:
MCD Application Team
Version:
V2.0.0
Date:
27-January-2017
Attention:

© COPYRIGHT(c) 2017 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 stm32412g_discovery_audio.h.

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