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SourceVuESP-IDF Framework and ExamplesESP-IDFclkout_mapping_alloc()

clkout_mapping_alloc() function

Syntax

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Summary

Declaration

from esp_clock_output.c:111

static esp_clock_output_mapping_t* clkout_mapping_alloc(clkout_channel_handle_t* channel_hdl, gpio_num_t gpio_num);

Arguments

Argument

channel_hdl

gpio_num

References

Code

Location

Referrer

static esp_clock_output_mapping_t* clkout_mapping_alloc(clkout_channel_handle_t* channel_hdl, gpio_num_t gpio_num)

esp_clock_output.c:111

*clkout_mapping_ret_hdl = clkout_mapping_alloc(channel_hdl, gpio_num);

esp_clock_output.c:217

esp_clock_output_start()

Call Tree

clkout_mapping_alloc() is called by 1 function and calls 5 functions:

esp_clock_output_start()

clkout_mapping_alloc()

spinlock_initialize()

vPortEnterCritical()

vPortExitCritical()

gpio_ll_iomux_func_sel()

Data Use

clkout_mapping_alloc() reads 9 variables and writes 3 variables:

GPIO_PIN_MUX_REG

clock_out_channel::CLKOUT_CHANNEL_1

clock_out_channel::CLKOUT_CHANNEL_2

clock_out_channel::CLKOUT_CHANNEL_3

clkout_channel_handle::channel_id

esp_clock_output_mapping::mapped_io

esp_clock_output_mapping::clkout_channel_hdl

esp_clock_output_mapping::ref_cnt

esp_clock_output_mapping::next

clkout_mapping_alloc()

esp_clock_output_mapping::mapped_io

esp_clock_output_mapping::clkout_channel_hdl

esp_clock_output_mapping::ref_cnt

Class Tree

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Override Tree

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Implementations

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Instances

Lifecycle

clkout_mapping_alloc() frees 1 types:

clkout_mapping_alloc()

esp_clock_output_mapping