Collaboration diagram for STM32F769I_DISCOVERY_AUDIO Private Macros:

Macros
#define	DFSDM_CLOCK_DIVIDER(__FREQUENCY__)

#define	DFSDM_FILTER_ORDER(__FREQUENCY__)

#define	DFSDM_OVER_SAMPLING(__FREQUENCY__)

#define	DFSDM_RIGHT_BIT_SHIFT(__FREQUENCY__)

#define	SaturaLH(N, L, H) (((N)<(L))?(L):(((N)>(H))?(H):(N)))

Detailed Description

Macro Definition Documentation

◆ DFSDM_CLOCK_DIVIDER

#define DFSDM_CLOCK_DIVIDER ( __FREQUENCY__ )

Value:

        (__FREQUENCY__ == AUDIO_FREQUENCY_8K)  ? 24 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_11K) ? 4 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_16K) ? 24 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_22K) ? 4 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_32K) ? 24 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_44K) ? 4  \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_48K) ? 25 : 25  \

Definition at line 189 of file stm32f769i_discovery_audio.c.

◆ DFSDM_FILTER_ORDER

#define DFSDM_FILTER_ORDER ( __FREQUENCY__ )

Value:

        (__FREQUENCY__ == AUDIO_FREQUENCY_8K)  ? DFSDM_FILTER_SINC3_ORDER \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_11K) ? DFSDM_FILTER_SINC3_ORDER \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_16K) ? DFSDM_FILTER_SINC3_ORDER \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_22K) ? DFSDM_FILTER_SINC3_ORDER \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_32K) ? DFSDM_FILTER_SINC4_ORDER \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_44K) ? DFSDM_FILTER_SINC3_ORDER  \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_48K) ? DFSDM_FILTER_SINC3_ORDER : DFSDM_FILTER_SINC5_ORDER  \

Definition at line 198 of file stm32f769i_discovery_audio.c.

◆ DFSDM_OVER_SAMPLING

#define DFSDM_OVER_SAMPLING ( __FREQUENCY__ )

Value:

        (__FREQUENCY__ == AUDIO_FREQUENCY_8K)  ? 256 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_11K) ? 256 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_16K) ? 128 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_22K) ? 128 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_32K) ? 64 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_44K) ? 64  \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_48K) ? 40 : 20  \

Definition at line 180 of file stm32f769i_discovery_audio.c.

◆ DFSDM_RIGHT_BIT_SHIFT

#define DFSDM_RIGHT_BIT_SHIFT ( __FREQUENCY__ )

Value:

        (__FREQUENCY__ == AUDIO_FREQUENCY_8K)  ? 8 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_11K) ? 8 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_16K) ? 3 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_22K) ? 4 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_32K) ? 7 \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_44K) ? 0  \
      : (__FREQUENCY__ == AUDIO_FREQUENCY_48K) ? 0 : 4  \

Definition at line 207 of file stm32f769i_discovery_audio.c.

◆ SaturaLH

#define SaturaLH	(	N,
		L,
		H
	)	(((N)<(L))?(L):(((N)>(H))?(H):(N)))

Definition at line 217 of file stm32f769i_discovery_audio.c.