SensorTile_audio_in.h File Reference

This file contains definitions for SensorTile_audio_in.c driver. More...

Go to the source code of this file.

Data Structures
struct	HP_FilterState_TypeDef
	HP filter state structure definition. More...
struct	SENSORTILE_AudioIn_HandlerTypeDef
	Microphone internal structure definition. More...

Macros
#define	AUDIO_IN_IRQ_PREPRIO   6 /* Select the preemption priority level(0 is the highest) */
#define	AUDIO_OK   ((uint8_t)0)
#define	AUDIO_ERROR   ((uint8_t)1)
#define	AUDIO_TIMEOUT   ((uint8_t)2)
#define	AUDIO_FREQUENCY_192K   ((uint32_t)192000)
#define	AUDIO_FREQUENCY_96K   ((uint32_t)96000)
#define	AUDIO_FREQUENCY_48K   ((uint32_t)48000)
#define	AUDIO_FREQUENCY_44K   ((uint32_t)44100)
#define	AUDIO_FREQUENCY_32K   ((uint32_t)32000)
#define	AUDIO_FREQUENCY_22K   ((uint32_t)22050)
#define	AUDIO_FREQUENCY_16K   ((uint32_t)16000)
#define	AUDIO_FREQUENCY_11K   ((uint32_t)11025)
#define	AUDIO_FREQUENCY_8K   ((uint32_t)8000)
#define	DEFAULT_AUDIO_IN_VOLUME   64
#define	MAX_CH_NUMBER   (4)
#define	MAX_FS   (96000)
#define	MAX_SAMPLES_PER_CH   ((MAX_FS/1000)*2)
#define	AUDIO_FREQUENCY_192K   ((uint32_t)192000)
#define	AUDIO_FREQUENCY_96K   ((uint32_t)96000)
#define	AUDIO_FREQUENCY_48K   ((uint32_t)48000)
#define	AUDIO_FREQUENCY_44K   ((uint32_t)44100)
#define	AUDIO_FREQUENCY_32K   ((uint32_t)32000)
#define	AUDIO_FREQUENCY_22K   ((uint32_t)22050)
#define	AUDIO_FREQUENCY_16K   ((uint32_t)16000)
#define	AUDIO_FREQUENCY_11K   ((uint32_t)11025)
#define	AUDIO_FREQUENCY_8K   ((uint32_t)8000)
#define	AUDIO_IN_DFSDM_CLK_ENABLE()   __HAL_RCC_DFSDM_CLK_ENABLE()
#define	AUDIO_IN_DFSDM_1st_CHANNEL   DFSDM_Channel5
#define	AUDIO_IN_DFSDM_2nd_CHANNEL   DFSDM_Channel1
#define	AUDIO_IN_DFSDM_3rd_CHANNEL   DFSDM_Channel7
#define	AUDIO_IN_DFSDM_4rd_CHANNEL   DFSDM_Channel6
#define	AUDIO_IN_DFSDM_1st_FILTER   DFSDM_Filter0
#define	AUDIO_IN_DFSDM_2st_FILTER   DFSDM_Filter1
#define	AUDIO_IN_DFSDM_3rd_FILTER   DFSDM_Filter2
#define	AUDIO_IN_DFSDM_4th_FILTER   DFSDM_Filter3
#define	AUDIO_IN_DFSDM_CKOUT_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOC_CLK_ENABLE()
#define	AUDIO_IN_DFSDM_CKOUT_GPIO_PORT   GPIOC
#define	AUDIO_IN_DFSDM_CKOUT_PIN   GPIO_PIN_2
#define	AUDIO_IN_DFSDM_CH12_DATAIN_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOB_CLK_ENABLE()
#define	AUDIO_IN_DFSDM_CH12_DATIN_GPIO_PORT   GPIOB
#define	AUDIO_IN_DFSDM_CH12_DATIN_PIN   GPIO_PIN_6
#define	AUDIO_IN_DFSDM_CH12_EXT_DATAIN_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOB_CLK_ENABLE()
#define	AUDIO_IN_DFSDM_CH12_EXT_DATIN_GPIO_PORT   GPIOB
#define	AUDIO_IN_DFSDM_CH12_EXT_DATIN_PIN   GPIO_PIN_8
#define	AUDIO_IN_DFSDM_CH34_EXT_DATAIN_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOC_CLK_ENABLE()
#define	AUDIO_IN_DFSDM_CH34_EXT_DATIN_GPIO_PORT   GPIOC
#define	AUDIO_IN_DFSDM_CH34_EXT_DATIN_PIN   GPIO_PIN_0
#define	AUDIO_IN_DFSDM_CKOUT_DATIN_AF   GPIO_AF6_DFSDM
#define	AUDIO_IN_DFSDM_DMA_CLK_ENABLE()   __HAL_RCC_DMA1_CLK_ENABLE()
#define	AUDIO_IN_DFSDM_DMA_1st_CHANNEL   DMA1_Channel4
#define	AUDIO_IN_DFSDM_DMA_2nd_CHANNEL   DMA1_Channel5
#define	AUDIO_IN_DFSDM_DMA_3rd_CHANNEL   DMA1_Channel6
#define	AUDIO_IN_DFSDM_DMA_4th_CHANNEL   DMA1_Channel7
#define	AUDIO_IN_DFSDM_DMA_1st_CH_IRQn   DMA1_Channel4_IRQn
#define	AUDIO_IN_DFSDM_DMA_2nd_CH_IRQn   DMA1_Channel5_IRQn
#define	AUDIO_IN_DFSDM_DMA_3rd_CH_IRQn   DMA1_Channel6_IRQn
#define	AUDIO_IN_DFSDM_DMA_4th_CH_IRQn   DMA1_Channel7_IRQn
#define	AUDIO_IN_DFSDM_DMA_PERIPH_DATA_SIZE   DMA_PDATAALIGN_WORD
#define	AUDIO_IN_DFSDM_DMA_MEM_DATA_SIZE   DMA_MDATAALIGN_WORD
#define	AUDIO_IN_DFSDM_DMA_1st_CH_IRQHandler   DMA1_Channel4_IRQHandler
#define	AUDIO_IN_DFSDM_DMA_2nd_CH_IRQHandler   DMA1_Channel5_IRQHandler
#define	AUDIO_IN_DFSDM_DMA_3rd_CH_IRQHandler   DMA1_Channel6_IRQHandler
#define	AUDIO_IN_DFSDM_DMA_4th_CH_IRQHandler   DMA1_Channel7_IRQHandler

Functions
uint8_t	BSP_AUDIO_IN_SetVolume (uint8_t Volume)
	Controls the audio in volume level. More...
uint8_t	BSP_AUDIO_IN_Init (uint32_t AudioFreq, uint32_t BitRes, uint32_t ChnlNbr)
	Initializes audio acquisition. More...
uint8_t	BSP_AUDIO_IN_DeInit (void)
	DeInitializes the audio peripheral. More...
__weak uint8_t	BSP_AUDIO_IN_ClockConfig (uint32_t AudioFreq, void *Params)
	Clock Config. More...
uint8_t	BSP_AUDIO_IN_Record (uint16_t *pbuf, uint32_t size)
	Starts audio recording. More...
uint8_t	BSP_AUDIO_IN_Stop (void)
	Stops audio recording. More...
uint8_t	BSP_AUDIO_IN_Pause (void)
	Pauses the audio file stream. More...
uint8_t	BSP_AUDIO_IN_Resume (void)
	Resumes the audio file stream. More...
void	BSP_AUDIO_IN_TransferComplete_CallBack (void)
	User callback when record buffer is filled. More...
void	BSP_AUDIO_IN_HalfTransfer_CallBack (void)
	User callback when record buffer is half filled. More...
__weak void	BSP_AUDIO_IN_Error_Callback (void)
	Audio IN Error callback function. More...

Variables
DMA_HandleTypeDef	hdma_dfsdmReg_FLT []

Detailed Description

This file contains definitions for SensorTile_audio_in.c driver.

Author

Central Labs

Version

V1.3.1

Date

27-Apr-2017

Attention

© COPYRIGHT(c) 2014 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 SensorTile_audio_in.h.