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SourceVuESP-IDF Framework and ExamplesESP-IDFbootloader_flash_clock_config()

bootloader_flash_clock_config() function

Configure SPI flash clock.

Syntax

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Summary

Declaration

Definition

from bootloader_flash_config.h:50

void bootloader_flash_clock_config(const esp_image_header_t* pfhdr);

Implemented in bootloader_flash_config_esp32.c:58

Arguments

Argument

Description

pfhdr

Pointer to App image header, from where to fetch flash settings.

Return value

None

Notes

This function only set clock frequency for SPI0.

References

Code

Location

Referrer

void IRAM_ATTR bootloader_flash_clock_config(const esp_image_header_t* pfhdr)

bootloader_flash_config_esp32.c:58

void bootloader_flash_clock_config(const esp_image_header_t* pfhdr);

bootloader_flash_config.h:50

bootloader_flash_clock_config(&fhdr);

cpu_start.c:809

call_start_cpu0()

Call Tree

bootloader_flash_clock_config() is called by 1 function and calls 1 function:

call_start_cpu0()

bootloader_flash_clock_config()

esp_rom_spiflash_config_clk()

Data Use

bootloader_flash_clock_config() reads 5 variables:

esp_image_spi_freq_t::ESP_IMAGE_SPI_SPEED_DIV_2

esp_image_spi_freq_t::ESP_IMAGE_SPI_SPEED_DIV_3

esp_image_spi_freq_t::ESP_IMAGE_SPI_SPEED_DIV_4

esp_image_spi_freq_t::ESP_IMAGE_SPI_SPEED_DIV_1

esp_image_header_t::spi_speed

bootloader_flash_clock_config()

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bootloader_flash_clock_config() function

Syntax

Arguments

Return value

Notes

Related Functions

Examples

References

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Data Use

Class Tree

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Lifecycle