sdspi_host_set_card_clk() function

Set card clock frequency Currently only integer fractions of 40MHz clock can be used. For High Speed cards, 40MHz can be used. For Default Speed cards, 20MHz can be used.

Syntax

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Summary

Declaration

Definition

from sdspi_host.h:174

esp_err_t sdspi_host_set_card_clk(sdspi_dev_handle_t host, uint32_t freq_khz);

Implemented in sdspi_host.c:298

Arguments

Argument

Description

host

Handle of the sdspi device

freq_khz

card clock frequency, in kHz

Return value

- ESP_OK on success - other error codes may be returned in the future

Notes

This function is not thread safe

Examples

sdspi_host_set_card_clk() is referenced by 3 libraries and example projects:

References

from examples

sdspi_host_set_card_clk() function

Syntax

Arguments

Return value

Notes

Examples

References

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