spi_get_actual_clock() function

Calculate the working frequency that is most close to desired frequency.

Syntax

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Summary

Declaration

Definition

int spi_get_actual_clock(int fapb, int hz, int duty_cycle) __attribute__((deprecated("Please use spi_device_get_actual_freq instead")));

Argument

Description

fapb

The frequency of apb clock, should be ``APB_CLK_FREQ``.

Desired working frequency

duty_cycle

Duty cycle of the spi clock

Actual working frequency that most fit.

from examples