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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_efuse_write_reg()

esp_efuse_write_reg() function

Write value to efuse register. Apply a coding scheme if necessary. This is a thread-safe implementation. Example: EFUSE_BLK3_WDATA0_REG where (blk=3, num_reg=0)

Syntax

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Summary

Declaration

Definition

from esp_efuse.h:233

esp_err_t esp_efuse_write_reg(esp_efuse_block_t blk, unsigned int num_reg, uint32_t val);

Implemented in esp_efuse_api.c:186

Arguments

Argument

Description

blk

Block number of eFuse.

num_reg

The register number in the block.

val

Value to write.

Return value

- ESP_OK: The operation was successfully completed. - ESP_ERR_EFUSE_REPEATED_PROG: Error repeated programming of programmed bits is strictly forbidden.

References

Code

Location

esp_err_t esp_efuse_write_reg(esp_efuse_block_t blk, unsigned int num_reg, uint32_t val)

esp_efuse_api.c:186

esp_err_t esp_efuse_write_reg(esp_efuse_block_t blk, unsigned int num_reg, uint32_t val);

esp_efuse.h:233

Call Tree

esp_efuse_write_reg() calls 6 functions:

esp_efuse_write_reg()

_lock_acquire_recursive()

_lock_release_recursive()

esp_efuse_utility_burn_efuses()

esp_efuse_utility_write_reg()

esp_efuse_utility_reset()

esp_efuse_utility_apply_new_coding_scheme()

Data Use

esp_efuse_write_reg() reads 1 variable:

s_batch_writing_mode

esp_efuse_write_reg()

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