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STM32412G-Discovery BSP User Manual
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This file includes the low layer driver for wm8994 Audio Codec available on STM32412G-DISCOVERY board(MB1209). More...
Modules | |
| STM32412G Discovery Audio Private Types | |
| STM32412G Discovery Audio Private Defines | |
| STM32412G Discovery Audio Private macros | |
| STM32412G Discovery Audio Private Variables | |
| STM32412G Discovery Audio Private Prototypes | |
| STM32412G Discovery Audio Out Private Functions | |
| STM32412G Discovery Audio In Private functions | |
| STM32412G DISCOVERY Audio Exported Types | |
| STM32412G DISCOVERY Audio Exported Constants | |
| STM32412G DISCOVERY Audio Exported Variables | |
| STM32412G DISCOVERY Audio Exported Macros | |
| STM32412G DISCOVERY AUDIO OUT Exported Functions | |
| STM32412G DISCOVERY AUDIO IN 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) | |
Detailed Description
This file includes the low layer driver for wm8994 Audio Codec available on STM32412G-DISCOVERY board(MB1209).
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 1722 of file stm32412g_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 1869 of file stm32412g_discovery_audio.c.
References AUDIO_IN_I2Sx, haudio_i2s, and haudio_in_i2sext.
Referenced by BSP_AUDIO_IN_InitEx().
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