STM32F413H_DISCOVERY AUDIO

This file includes the low layer driver for wm8994 Audio Codec available on STM32F413H-DISCOVERY board(MB1209). More...

Modules
	STM32F413H DISCOVERY Audio Private macros
	STM32F413H DISCOVERY Audio Private Variables
	STM32F413H DISCOVERY Audio Private Prototypes
	STM32F413H DISCOVERY AUDIO OUT Private Functions
	STM32F413H DISCOVERY AUDIO IN Private functions
	STM32F413H DISCOVERY Audio Exported Types
	STM32F413H DISCOVERY Audio Exported Constants
	STM32F413H DISCOVERY Audio Exported Variables
	STM32F413H DISCOVERY Audio Exported Macros
	STM32F413H DISCOVERY Audio OUT Exported Functions
	STM32F413H DISCOVERY AudioIN Exported Functions
Functions
static uint8_t	DFSDMx_DeInit (void)
	De-initializes the Digital Filter for Sigma-Delta Modulators interface (DFSDM).
static void	I2Sx_In_Init (uint32_t AudioFreq)
	Initializes the Audio Codec audio interface (I2S)

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Detailed Description

This file includes the low layer driver for wm8994 Audio Codec available on STM32F413H-DISCOVERY board(MB1209).

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Function Documentation

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 1796 of file stm32f413h_discovery_audio.c.

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

Referenced by BSP_AUDIO_IN_DeInit().

static void I2Sx_In_Init

(

uint32_t

AudioFreq

)

[static]

Initializes the Audio Codec audio interface (I2S)

Note:

This function assumes that the I2S input clock is already configured and ready to be used.

Parameters:

AudioFreq,:

Audio frequency to be configured for the I2S peripheral.

Definition at line 2015 of file stm32f413h_discovery_audio.c.

References AUDIO_IN_I2Sx, haudio_i2s, and haudio_in_i2sext.

Referenced by BSP_AUDIO_IN_InitEx().