STM32H743I_EVAL BSP User Manual: AUDIO IN Private Function Prototypes

STM32H743I_EVAL BSP

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STM32H743I_EVAL BSP User Manual

Functions
static void	SAIx_In_MspInit (SAI_HandleTypeDef hsai, void Params)
	Initializes SAI Audio IN MSP.
static void	SAIx_In_MspDeInit (SAI_HandleTypeDef hsai, void Params)
	De-Initializes SAI Audio IN MSP.
static void	SAIx_In_Init (uint32_t SaiInMode, uint32_t SlotActive, uint32_t AudioFreq)
	Initializes the Audio Codec audio interface (SAI).
static void	SAIx_In_DeInit (SAI_HandleTypeDef *hsai)
	Deinitializes the output Audio Codec audio interface (SAI).
static uint8_t	DFSDMx_DeInit (void)
	De-initializes the Digital Filter for Sigma-Delta Modulators interface (DFSDM).
static void	DFSDMx_ChannelMspInit (void)
	Initializes the DFSDM channel MSP.
static void	DFSDMx_ChannelMspDeInit (void)
	DeInitializes the DFSDM channel MSP.
static void	DFSDMx_FilterMspInit (void)
	Initializes the DFSDM filter MSP.
static void	DFSDMx_FilterMspDeInit (void)
	DeInitializes the DFSDM filter MSP.

Function Documentation

static void DFSDMx_ChannelMspDeInit ( void ) [static]

DeInitializes the DFSDM channel MSP.

Definition at line 1926 of file stm32h743i_eval_audio.c.

References AUDIO_DFSDMx_CKOUT_DMIC_GPIO_PORT, AUDIO_DFSDMx_CKOUT_PIN, AUDIO_DFSDMx_DMIC_GPIO_PORT, and AUDIO_DFSDMx_DMIC_PIN.

Referenced by BSP_AUDIO_IN_MspDeInit().

static void DFSDMx_ChannelMspInit ( void ) [static]

Initializes the DFSDM channel MSP.

Definition at line 1895 of file stm32h743i_eval_audio.c.

References AUDIO_DFSDMx_CKOUT_DMIC_AF, AUDIO_DFSDMx_CKOUT_DMIC_GPIO_CLK_ENABLE, AUDIO_DFSDMx_CKOUT_DMIC_GPIO_PORT, AUDIO_DFSDMx_CKOUT_PIN, AUDIO_DFSDMx_CLK_ENABLE, AUDIO_DFSDMx_DMIC_AF, AUDIO_DFSDMx_DMIC_GPIO_CLK_ENABLE, AUDIO_DFSDMx_DMIC_GPIO_PORT, and AUDIO_DFSDMx_DMIC_PIN.

Referenced by BSP_AUDIO_IN_MspInit().

static uint8_t DFSDMx_DeInit ( void ) [static]

De-initializes the Digital Filter for Sigma-Delta Modulators interface (DFSDM).

Return values:

AUDIO_OK if correct communication, else wrong communication

Definition at line 1868 of file stm32h743i_eval_audio.c.

References AUDIO_ERROR, AUDIO_OK, DFSDM_MIC_NUMBER, hAudioInDfsdmChannel, and hAudioInDfsdmFilter.

Referenced by BSP_AUDIO_IN_DeInit().

static void DFSDMx_FilterMspDeInit ( void ) [static]

DeInitializes the DFSDM filter MSP.

Definition at line 1999 of file stm32h743i_eval_audio.c.

References DFSDM_MIC_NUMBER, and hDmaDfsdm.

Referenced by BSP_AUDIO_IN_MspDeInit().

static void DFSDMx_FilterMspInit ( void ) [static]

Initializes the DFSDM filter MSP.

Definition at line 1943 of file stm32h743i_eval_audio.c.

References AUDIO_DFSDMx_DMAx_CLK_ENABLE, AUDIO_DFSDMx_DMAx_MEM_DATA_SIZE, AUDIO_DFSDMx_DMAx_MIC1_IRQ, AUDIO_DFSDMx_DMAx_MIC1_REQUEST, AUDIO_DFSDMx_DMAx_MIC1_STREAM, AUDIO_DFSDMx_DMAx_MIC2_IRQ, AUDIO_DFSDMx_DMAx_MIC2_REQUEST, AUDIO_DFSDMx_DMAx_MIC2_STREAM, AUDIO_DFSDMx_DMAx_PERIPH_DATA_SIZE, AUDIO_IN_IRQ_PREPRIO, AUDIOIN_ContextTypeDef::ChannelNbr, DFSDM_MIC_NUMBER, hAudioInDfsdmFilter, hDmaDfsdm, INPUT_DEVICE_DIGITAL_MIC1, INPUT_DEVICE_DIGITAL_MIC2, AUDIOIN_ContextTypeDef::InputDevice, and POS_VAL.

Referenced by BSP_AUDIO_IN_MspInit().

static void SAIx_In_DeInit ( SAI_HandleTypeDef * hsai ) [static]

Deinitializes the output Audio Codec audio interface (SAI).

Return values:

None

Definition at line 2297 of file stm32h743i_eval_audio.c.

Referenced by BSP_AUDIO_IN_DeInit(), and BSP_AUDIO_IN_InitEx().

static void SAIx_In_Init	(	uint32_t	SaiInMode,
		uint32_t	SlotActive,
		uint32_t	AudioFreq
	)		`[static]`

Initializes the Audio Codec audio interface (SAI).

Parameters:

SaiInMode,:	Audio mode to be configured for the SAI peripheral.
SlotActive,:	Audio active slot to be configured for the SAI peripheral.
AudioFreq,:	Audio frequency to be configured for the SAI peripheral.

Return values:

None

Definition at line 2217 of file stm32h743i_eval_audio.c.

References AUDIO_IN_INTERFACE_PDM, haudio_in_sai, and AUDIOIN_ContextTypeDef::Interface.

Referenced by BSP_AUDIO_IN_InitEx(), and BSP_AUDIO_IN_OUT_Init().

static void SAIx_In_MspDeInit	(	SAI_HandleTypeDef *	hsai,
		void *	Params
	)		`[static]`

De-Initializes SAI Audio IN MSP.

Parameters:

hsai,:	SAI handle
Params,:	pointer on additional configuration parameters, can be NULL.

Return values:

None

Definition at line 2152 of file stm32h743i_eval_audio.c.

References AUDIO_IN_INT_GPIO_PIN, AUDIO_IN_INT_GPIO_PORT, AUDIO_IN_INTERFACE_DFSDM, AUDIO_IN_SAI_PDMx, AUDIO_IN_SAI_PDMx_CLK_DISABLE, AUDIO_IN_SAI_PDMx_CLK_IN_PIN, AUDIO_IN_SAI_PDMx_CLK_IN_PORT, AUDIO_IN_SAI_PDMx_DATA_IN_PIN, AUDIO_IN_SAI_PDMx_DATA_IN_PORT, AUDIO_IN_SAI_PDMx_FS_PIN, AUDIO_IN_SAI_PDMx_FS_SCK_GPIO_PORT, AUDIO_IN_SAI_PDMx_SCK_PIN, AUDIO_IN_SAIx, AUDIO_IN_SAIx_CLK_DISABLE, AUDIO_IN_SAIx_DMAx_IRQ, AUDIO_IN_SAIx_SD_GPIO_PORT, AUDIO_IN_SAIx_SD_PIN, and AUDIOIN_ContextTypeDef::Interface.

Referenced by BSP_AUDIO_IN_MspDeInit().

static void SAIx_In_MspInit	(	SAI_HandleTypeDef *	hsai,
		void *	Params
	)		`[static]`

Initializes SAI Audio IN MSP.

Parameters:

hsai,:	SAI handle
Params,:	pointer on additional configuration parameters, can be NULL.

Return values:

None

Definition at line 2017 of file stm32h743i_eval_audio.c.

References AUDIO_IN_INT_GPIO_ENABLE, AUDIO_IN_INT_GPIO_PIN, AUDIO_IN_INT_GPIO_PORT, AUDIO_IN_INT_IRQ, AUDIO_IN_IRQ_PREPRIO, AUDIO_IN_SAI_PDMx, AUDIO_IN_SAI_PDMx_CLK_ENABLE, AUDIO_IN_SAI_PDMx_CLK_IN_ENABLE, AUDIO_IN_SAI_PDMx_CLK_IN_PIN, AUDIO_IN_SAI_PDMx_CLK_IN_PORT, AUDIO_IN_SAI_PDMx_DATA_CLK_AF, AUDIO_IN_SAI_PDMx_DATA_IN_ENABLE, AUDIO_IN_SAI_PDMx_DATA_IN_PIN, AUDIO_IN_SAI_PDMx_DATA_IN_PORT, AUDIO_IN_SAI_PDMx_DMAx_CLK_ENABLE, AUDIO_IN_SAI_PDMx_DMAx_IRQ, AUDIO_IN_SAI_PDMx_DMAx_MEM_DATA_SIZE, AUDIO_IN_SAI_PDMx_DMAx_PERIPH_DATA_SIZE, AUDIO_IN_SAI_PDMx_DMAx_REQUEST, AUDIO_IN_SAI_PDMx_DMAx_STREAM, AUDIO_IN_SAI_PDMx_FS_PIN, AUDIO_IN_SAI_PDMx_FS_SCK_AF, AUDIO_IN_SAI_PDMx_FS_SCK_ENABLE, AUDIO_IN_SAI_PDMx_FS_SCK_GPIO_PORT, AUDIO_IN_SAI_PDMx_SCK_PIN, AUDIO_IN_SAIx_AF, AUDIO_IN_SAIx_CLK_ENABLE, AUDIO_IN_SAIx_DMAx_CLK_ENABLE, AUDIO_IN_SAIx_DMAx_IRQ, AUDIO_IN_SAIx_DMAx_MEM_DATA_SIZE, AUDIO_IN_SAIx_DMAx_PERIPH_DATA_SIZE, AUDIO_IN_SAIx_DMAx_REQUEST, AUDIO_IN_SAIx_DMAx_STREAM, AUDIO_IN_SAIx_SD_ENABLE, AUDIO_IN_SAIx_SD_GPIO_PORT, and AUDIO_IN_SAIx_SD_PIN.

Referenced by BSP_AUDIO_IN_MspInit().

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