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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_efuse_utility_count_once()

esp_efuse_utility_count_once() function

Count a set bits in register.

Syntax

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Summary

Declaration

Definition

from esp_efuse_utility.h:83

esp_err_t esp_efuse_utility_count_once(unsigned int num_reg, esp_efuse_block_t efuse_block, int bit_start, int bit_count, void* out_cnt, int* bits_counter);

Implemented in esp_efuse_utility.c:116

Arguments

Argument

Declared as

Description

num_reg

unsigned int

efuse_block

esp_efuse_block_t

bit_start

int

bit_count

int

out_cnt

void*

A pointer to size_t variable which will contain the number of "1" bits.

bits_counter

int*

References

Code

Location

Referrer

esp_err_t esp_efuse_utility_count_once(unsigned int num_reg, esp_efuse_block_t efuse_block, int bit_start, int bit_count, void* out_cnt, int* bits_counter)

esp_efuse_utility.c:116

esp_err_t esp_efuse_utility_count_once(unsigned int num_reg, esp_efuse_block_t efuse_block, int bit_start, int bit_count, void* out_cnt, int* bits_counter);

esp_efuse_utility.h:83

err = esp_efuse_utility_process(field, out_cnt, 0, esp_efuse_utility_count_once);

esp_efuse_api.c:69

esp_efuse_read_field_cnt()

(func_proc == esp_efuse_utility_fill_buff || func_proc == esp_efuse_utility_count_once) && // these functions are used for read APIs: read_field_blob and read_field_cnt

esp_efuse_utility.c:80

esp_efuse_utility_process()

Call Tree

esp_efuse_utility_count_once() calls 2 functions:

esp_efuse_utility_count_once()

esp_efuse_utility_read_reg()

Data Use

esp_efuse_utility_count_once() writes 2 variables:

esp_efuse_utility_count_once()

esp_efuse_utility_process()

esp_efuse_read_field_cnt()

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