esp_clock_output_start() function

Start output specified clock signal to specified GPIO, will also initialize the clkout_mapping_ret_hdl.

Syntax

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Declaration

Definition

from esp_clock_output.h:35

esp_err_t esp_clock_output_start(soc_clkout_sig_id_t clk_sig, gpio_num_t gpio_num, esp_clock_output_mapping_handle_t *clkout_mapping_ret_hdl);

Implemented in esp_clock_output.c:196

Arguments

Argument

Description

clk_sig

gpio_num

GPIO number to be mapped soc_root_clk signal source

clkout_mapping_ret_hdl

Clock output control handler

Return value

- ESP_OK: Output specified clock signal to specified GPIO successfully - ESP_ERR_INVALID_ARG: Specified GPIO not supported to output internal clock or specified GPIO is already mapped to other internal clock source. - ESP_FAIL: There are no clock out signals that can be allocated.

Examples

References

from examples

esp_clock_output_start() function

Syntax

Arguments

Return value

Examples

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