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SourceVuESP-IDF Framework and ExamplesESP-IDFbootloader_flash_dummy_config()

bootloader_flash_dummy_config() function

Configure SPI flash read dummy based on different mode and frequency.

Syntax

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Summary

Declaration

Definition

from bootloader_flash_config.h:69

void bootloader_flash_dummy_config(const esp_image_header_t* pfhdr);

Implemented in bootloader_flash_config_esp32.c:135

Arguments

Argument

Description

pfhdr

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

Return value

None

References

Code

Location

Referrer

void IRAM_ATTR bootloader_flash_dummy_config(const esp_image_header_t* pfhdr)

bootloader_flash_config_esp32.c:135

void bootloader_flash_dummy_config(const esp_image_header_t* pfhdr);

bootloader_flash_config.h:69

bootloader_flash_dummy_config(&bootloader_image_hdr);

bootloader_flash_config_esp32.c:359

bootloader_init_flash_configure()

bootloader_flash_dummy_config(&fhdr);

cpu_start.c:811

call_start_cpu0()

Call Tree

bootloader_flash_dummy_config() is called by 2 functions and calls 1 function:

bootloader_init_flash_configure()

call_start_cpu0()

bootloader_flash_dummy_config()

__assert_func()

Data Use

bootloader_flash_dummy_config() reads 6 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

g_rom_spiflash_dummy_len_plus

bootloader_flash_dummy_config()

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bootloader_flash_dummy_config() function

Syntax

Arguments

Return value

Related Functions

Examples

References

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