Exported Constants

Modules
	BSP Audio Out Option
	BSP Audio Sample Rate
	Codex Audio frame slot in TDM mode
	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 | +------------------------------------------------------------------------------+.
Defines
#define	AUDIO_SAIx   SAI1_Block_B
#define	AUDIO_SAIx_CLK_ENABLE()   __HAL_RCC_SAI1_CLK_ENABLE()
#define	AUDIO_SAIx_MCKB_SCKB_SDB_FSB_AF   GPIO_AF13_SAI1
#define	AUDIO_SAIx_MCKB_SCKB_SDB_FSB_ENABLE()   __HAL_RCC_GPIOF_CLK_ENABLE()
#define	AUDIO_SAIx_FSB_PIN   GPIO_PIN_9
#define	AUDIO_SAIx_SCKB_PIN   GPIO_PIN_8
#define	AUDIO_SAIx_SDB_PIN   GPIO_PIN_6
#define	AUDIO_SAIx_MCKB_PIN   GPIO_PIN_7
#define	AUDIO_SAIx_MCKB_SCKB_SDB_FSB_GPIO_PORT   GPIOF
#define	AUDIO_SAIx_SDA_ENABLE()   __HAL_RCC_GPIOD_CLK_ENABLE()
#define	AUDIO_SAIx_SDA_PIN   GPIO_PIN_6
#define	AUDIO_SAIx_SDA_GPIO_PORT   GPIOD
#define	AUDIO_SAIx_DMAx_CLK_ENABLE()   __HAL_RCC_DMA2_CLK_ENABLE()
#define	AUDIO_SAIx_DMAx_CHANNEL   DMA2_Channel2
#define	AUDIO_SAIx_DMAx_IRQ   DMA2_Channel2_IRQn
#define	AUDIO_SAIx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_HALFWORD
#define	AUDIO_SAIx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_HALFWORD
#define	DMA_MAX_SZE   0xFFFF
#define	AUDIO_SAIx_DMAx_IRQHandler   DMA2_Channel2_IRQHandler
#define	AUDIO_OUT_IRQ_PREPRIO   5 /* Select the preemption priority level(0 is the highest) */
#define	AUDIO_DFSDMx_LEFT_CHANNEL   DFSDM_Channel4
#define	AUDIO_DFSDMx_RIGHT_CHANNEL   DFSDM_Channel3
#define	AUDIO_DFSDMx_LEFT_FILTER   DFSDM_Filter0
#define	AUDIO_DFSDMx_RIGHT_FILTER   DFSDM_Filter1
#define	AUDIO_DFSDMx_CLK_ENABLE()   __HAL_RCC_DFSDM_CLK_ENABLE()
#define	AUDIO_DFSDMx_CKOUT_PIN   GPIO_PIN_2
#define	AUDIO_DFSDMx_DMIC_DATIN_PIN   GPIO_PIN_0
#define	AUDIO_DFSDMx_CKOUT_DMIC_DATIN_GPIO_PORT   GPIOC
#define	AUDIO_DFSDMx_CKOUT_DMIC_DATIN_GPIO_CLK_ENABLE()   __HAL_RCC_GPIOC_CLK_ENABLE()
#define	AUDIO_DFSDMx_CKOUT_DMIC_DATIN_AF   GPIO_AF6_DFSDM
#define	AUDIO_DFSDMx_DMAx_CLK_ENABLE()   __HAL_RCC_DMA1_CLK_ENABLE()
#define	AUDIO_DFSDMx_DMAx_LEFT_CHANNEL   DMA1_Channel4
#define	AUDIO_DFSDMx_DMAx_RIGHT_CHANNEL   DMA1_Channel5
#define	AUDIO_DFSDMx_DMAx_LEFT_IRQ   DMA1_Channel4_IRQn
#define	AUDIO_DFSDMx_DMAx_RIGHT_IRQ   DMA1_Channel5_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_LEFT_IRQHandler   DMA1_Channel4_IRQHandler
#define	AUDIO_DFSDM_DMAx_RIGHT_IRQHandler   DMA1_Channel5_IRQHandler
#define	AUDIO_IN_IRQ_PREPRIO   6 /* Select the preemption priority level(0 is the highest) */
#define	AUDIODATA_SIZE   2 /* 16-bits audio data size */
#define	AUDIO_OK   0
#define	AUDIO_ERROR   1
#define	AUDIO_TIMEOUT   2
#define	DEFAULT_AUDIO_IN_FREQ   SAI_AUDIO_FREQUENCY_16K
#define	DEFAULT_AUDIO_IN_BIT_RESOLUTION   16
#define	DEFAULT_AUDIO_IN_CHANNEL_NBR   2 /* Mono = 1, Stereo = 2 */
#define	DEFAULT_AUDIO_IN_VOLUME   64
#define	INTERNAL_BUFF_SIZE   256
#define	CODEC_RESET_DELAY   5

---

Define Documentation

#define AUDIO_DFSDM_DMAx_LEFT_IRQHandler   DMA1_Channel4_IRQHandler

Definition at line 175 of file stm32l476g_eval_audio.h.

#define AUDIO_DFSDM_DMAx_RIGHT_IRQHandler   DMA1_Channel5_IRQHandler

Definition at line 176 of file stm32l476g_eval_audio.h.

#define AUDIO_DFSDMx_CKOUT_DMIC_DATIN_AF   GPIO_AF6_DFSDM

Definition at line 164 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_ChannelMspInit().

#define AUDIO_DFSDMx_CKOUT_DMIC_DATIN_GPIO_CLK_ENABLE

(

)

__HAL_RCC_GPIOC_CLK_ENABLE()

Definition at line 163 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_ChannelMspInit().

#define AUDIO_DFSDMx_CKOUT_DMIC_DATIN_GPIO_PORT   GPIOC

Definition at line 162 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_ChannelMspDeInit(), and DFSDMx_ChannelMspInit().

#define AUDIO_DFSDMx_CKOUT_PIN   GPIO_PIN_2

Definition at line 160 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_ChannelMspDeInit(), and DFSDMx_ChannelMspInit().

#define AUDIO_DFSDMx_CLK_ENABLE

(

)

__HAL_RCC_DFSDM_CLK_ENABLE()

Definition at line 159 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_ChannelMspInit(), and DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMAx_CLK_ENABLE

(

)

__HAL_RCC_DMA1_CLK_ENABLE()

Definition at line 167 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMAx_LEFT_CHANNEL   DMA1_Channel4

Definition at line 168 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMAx_LEFT_IRQ   DMA1_Channel4_IRQn

Definition at line 170 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_WORD

Definition at line 173 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_WORD

Definition at line 172 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMAx_RIGHT_CHANNEL   DMA1_Channel5

Definition at line 169 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMAx_RIGHT_IRQ   DMA1_Channel5_IRQn

Definition at line 171 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit().

#define AUDIO_DFSDMx_DMIC_DATIN_PIN   GPIO_PIN_0

Definition at line 161 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_ChannelMspDeInit(), and DFSDMx_ChannelMspInit().

#define AUDIO_DFSDMx_LEFT_CHANNEL   DFSDM_Channel4

Definition at line 155 of file stm32l476g_eval_audio.h.

#define AUDIO_DFSDMx_LEFT_FILTER   DFSDM_Filter0

Definition at line 157 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspDeInit(), DFSDMx_FilterMspInit(), and DFSDMx_Init().

#define AUDIO_DFSDMx_RIGHT_CHANNEL   DFSDM_Channel3

Definition at line 156 of file stm32l476g_eval_audio.h.

#define AUDIO_DFSDMx_RIGHT_FILTER   DFSDM_Filter1

Definition at line 158 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_Init().

#define AUDIO_ERROR   1

Definition at line 189 of file stm32l476g_eval_audio.h.

Referenced by BSP_AUDIO_IN_Init(), BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_SetFrequency(), BSP_AUDIO_IN_Stop(), BSP_AUDIO_OUT_Init(), BSP_AUDIO_OUT_Pause(), BSP_AUDIO_OUT_Play(), BSP_AUDIO_OUT_Resume(), BSP_AUDIO_OUT_SetMute(), BSP_AUDIO_OUT_SetOutputMode(), BSP_AUDIO_OUT_SetVolume(), BSP_AUDIO_OUT_Stop(), DFSDMx_DeInit(), and DFSDMx_Init().

#define AUDIO_IN_IRQ_PREPRIO   6 /* Select the preemption priority level(0 is the highest) */

Definition at line 179 of file stm32l476g_eval_audio.h.

#define AUDIO_OK   0

Definition at line 188 of file stm32l476g_eval_audio.h.

Referenced by BSP_AUDIO_IN_Pause(), BSP_AUDIO_IN_Record(), BSP_AUDIO_IN_Resume(), BSP_AUDIO_IN_SetFrequency(), BSP_AUDIO_IN_SetVolume(), BSP_AUDIO_IN_Stop(), BSP_AUDIO_OUT_Init(), BSP_AUDIO_OUT_Pause(), BSP_AUDIO_OUT_Play(), BSP_AUDIO_OUT_Resume(), BSP_AUDIO_OUT_SetMute(), BSP_AUDIO_OUT_SetOutputMode(), BSP_AUDIO_OUT_SetVolume(), BSP_AUDIO_OUT_Stop(), DFSDMx_DeInit(), and DFSDMx_Init().

#define AUDIO_OUT_IRQ_PREPRIO   5 /* Select the preemption priority level(0 is the highest) */

Definition at line 149 of file stm32l476g_eval_audio.h.

Referenced by DFSDMx_FilterMspInit(), and SAIx_MspInit().

#define AUDIO_SAIx   SAI1_Block_B

Definition at line 123 of file stm32l476g_eval_audio.h.

Referenced by SAIx_Init(), and SAIx_MspInit().

#define AUDIO_SAIx_CLK_ENABLE

(

)

__HAL_RCC_SAI1_CLK_ENABLE()

Definition at line 124 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_DMAx_CHANNEL   DMA2_Channel2

Definition at line 140 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_DMAx_CLK_ENABLE

(

)

__HAL_RCC_DMA2_CLK_ENABLE()

Definition at line 139 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_DMAx_IRQ   DMA2_Channel2_IRQn

Definition at line 141 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_DMAx_IRQHandler   DMA2_Channel2_IRQHandler

Definition at line 146 of file stm32l476g_eval_audio.h.

#define AUDIO_SAIx_DMAx_MEM_DATA_SIZE   DMA_MDATAALIGN_HALFWORD

Definition at line 143 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_DMAx_PERIPH_DATA_SIZE   DMA_PDATAALIGN_HALFWORD

Definition at line 142 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_FSB_PIN   GPIO_PIN_9

Definition at line 128 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_MCKB_PIN   GPIO_PIN_7

Definition at line 131 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_MCKB_SCKB_SDB_FSB_AF   GPIO_AF13_SAI1

Definition at line 125 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_MCKB_SCKB_SDB_FSB_ENABLE

(

)

__HAL_RCC_GPIOF_CLK_ENABLE()

Definition at line 127 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_MCKB_SCKB_SDB_FSB_GPIO_PORT   GPIOF

Definition at line 132 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_SCKB_PIN   GPIO_PIN_8

Definition at line 129 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_SAIx_SDA_ENABLE

(

)

__HAL_RCC_GPIOD_CLK_ENABLE()

Definition at line 134 of file stm32l476g_eval_audio.h.

#define AUDIO_SAIx_SDA_GPIO_PORT   GPIOD

Definition at line 136 of file stm32l476g_eval_audio.h.

#define AUDIO_SAIx_SDA_PIN   GPIO_PIN_6

Definition at line 135 of file stm32l476g_eval_audio.h.

#define AUDIO_SAIx_SDB_PIN   GPIO_PIN_6

Definition at line 130 of file stm32l476g_eval_audio.h.

Referenced by SAIx_MspInit().

#define AUDIO_TIMEOUT   2

Definition at line 190 of file stm32l476g_eval_audio.h.

#define AUDIODATA_SIZE   2 /* 16-bits audio data size */

Definition at line 185 of file stm32l476g_eval_audio.h.

#define CODEC_RESET_DELAY   5

Definition at line 206 of file stm32l476g_eval_audio.h.

#define DEFAULT_AUDIO_IN_BIT_RESOLUTION   16

Definition at line 194 of file stm32l476g_eval_audio.h.

#define DEFAULT_AUDIO_IN_CHANNEL_NBR   2 /* Mono = 1, Stereo = 2 */

Definition at line 195 of file stm32l476g_eval_audio.h.

Referenced by BSP_AUDIO_IN_Resume().

#define DEFAULT_AUDIO_IN_FREQ   SAI_AUDIO_FREQUENCY_16K

Definition at line 193 of file stm32l476g_eval_audio.h.

#define DEFAULT_AUDIO_IN_VOLUME   64

Definition at line 196 of file stm32l476g_eval_audio.h.

#define DMA_MAX_SZE   0xFFFF

Definition at line 144 of file stm32l476g_eval_audio.h.

#define INTERNAL_BUFF_SIZE   256

Definition at line 199 of file stm32l476g_eval_audio.h.

Referenced by BSP_AUDIO_IN_Record(), HAL_DFSDM_FilterRegConvCpltCallback(), and HAL_DFSDM_FilterRegConvHalfCpltCallback().