FINAL_AUDIO_RECORD

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Senior Design: Sound Monitor / FINAL_AUDIO_RECORD

AudioRecord and FFT/MSE comparison. Call AudioRecord_demo for control record and AudioSample for subsequent recordings.

Dependencies: CMSIS_DSP_401 STM32L4xx_HAL_Driver

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stm32l4xx_nucleo_audio.c File Reference

This file provides a set of functions needed to manage the Audio driver for the STM32L476G-Nucleo board. More...

Go to the source code of this file.

Functions
static uint8_t	AUDIO_DFSDMx_Init (uint32_t AudioFreq)
	Initializes the Digital Filter for Sigma-Delta Modulators interface (DFSDM).
static uint8_t	AUDIO_DFSDMx_DeInit (void)
	De-initializes the Digital Filter for Sigma-Delta Modulators interface (DFSDM).
static uint8_t	AUDIO_SAIPLLConfig (uint32_t Frequency)
	Configures the SAI PLL clock according to the required audio frequency.
uint8_t	BSP_AUDIO_IN_Init (uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr)
	Initializes micropone related peripherals.
uint8_t	BSP_AUDIO_IN_DeInit (void)
	De-Initializes microphone related peripherals.
uint8_t	BSP_AUDIO_IN_Record (uint16_t *pbuf, uint32_t size)
	Starts audio recording.
uint8_t	BSP_AUDIO_IN_SetFrequency (uint32_t AudioFreq)
	Updates the audio frequency.
void	HAL_DFSDM_FilterRegConvCpltCallback (DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
	Regular conversion complete callback.
void	HAL_DFSDM_FilterRegConvHalfCpltCallback (DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
	Half regular conversion complete callback.
void	HAL_DFSDM_FilterErrorCallback (DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
	Error callback.
uint8_t	BSP_AUDIO_IN_Stop (void)
	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.
void	BSP_AUDIO_IN_RegisterCallbacks (Audio_CallbackTypeDef ErrorCallback, Audio_CallbackTypeDef HalfTransferCallback, Audio_CallbackTypeDef TransferCompleteCallback)
	register user callback functions
void	HAL_SAI_MspInit (SAI_HandleTypeDef *hsai)
	Initializes the Audio Codec audio interface (SAI).
void	HAL_SAI_MspDeInit (SAI_HandleTypeDef *hsai)
	SAI MSP De-init.
void	HAL_DFSDM_ChannelMspInit (DFSDM_Channel_HandleTypeDef *hdfsdm_channel)
	Initializes the DFSDM channel MSP.
void	HAL_DFSDM_ChannelMspDeInit (DFSDM_Channel_HandleTypeDef *hdfsdm_channel)
	De-initializes the DFSDM channel MSP.
void	HAL_DFSDM_FilterMspInit (DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
	Initializes the DFSDM filter MSP.
void	HAL_DFSDM_FilterMspDeInit (DFSDM_Filter_HandleTypeDef *hdfsdm_filter)
	De-initializes the DFSDM filter MSP.

Detailed Description

This file provides a set of functions needed to manage the Audio driver for the STM32L476G-Nucleo board.

Author:: MCD Application Team

Version:: V1.0.1

Date:: 16-September-2015

Attention:

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 stm32l4xx_nucleo_audio.c.