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sdmmc_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
Implemented in ![]()
sdmmc_host.c:286
Return value
- ESP_OK on success - other error codes may be returned in the future
Notes
This function is not thread safe
Examples
Code
Location
Referrer
Call Tree
from 0/7 examplessdmmc_host_set_card_clk() is called by 1 function and calls 11 functions:
Data Use
from 0/7 examplessdmmc_host_set_card_clk() reads 10 variables and writes 2 variables:
Implementations
from 0/7 examplessdmmc_host_set_card_clk() is implemented by 1 functions: