HAL
IS_I2S_AUDIO_FREQ is only used within HAL.
 
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IS_I2S_AUDIO_FREQ macro

Syntax

#define IS_I2S_AUDIO_FREQ(__FREQ__) ((((__FREQ__) >= I2S_AUDIOFREQ_8K) && \     ((__FREQ__) <= I2S_AUDIOFREQ_192K)) || \     ((__FREQ__) == I2S_AUDIOFREQ_DEFAULT))

Arguments

__FREQ__

References

LocationText
stm32f4xx_hal_i2s.h:568
#define IS_I2S_AUDIO_FREQ(__FREQ__) ((((__FREQ__) >= I2S_AUDIOFREQ_8K) && \
stm32f4xx_hal_i2s.c:288
assert_param(IS_I2S_AUDIO_FREQ(hi2s->Init.AudioFreq));