check_sys_clock_hz() function

Check if a given system clock frequency is valid/attainable

Syntax

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Summary

Declaration

Definition

bool check_sys_clock_hz(uint32_t freq_hz, uint *vco_freq_out, uint *post_div1_out, uint *post_div2_out);

Implemented in clocks.c:391

Argument

Description

freq_hz

Requested frequency

vco_freq_out

On success, the voltage controlled oscillator frequency to be used by the SYS PLL

post_div1_out

On success, The first post divider for the SYS PLL

post_div2_out

On success, The second post divider for the SYS PLL.

true if the frequency is possible and the output parameters have been written.

from examples