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SourceVuESP-IDF Framework and ExamplesESP-IDFbootloader_flash_get_wp_pin()

bootloader_flash_get_wp_pin() function

Return the pin number used for custom SPI flash and/or SPIRAM WP pin Can be determined by eFuse values in most cases, or overriden in configuration This value is only meaningful if the other SPI flash pins are overriden via eFuse. This value is only meaningful if flash is set to QIO or QOUT mode, or if SPIRAM is enabled.

Syntax

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Summary

Declaration

Definition

from bootloader_flash_config.h:88

int bootloader_flash_get_wp_pin(void);

Implemented in bootloader_flash_config_esp32.c:175

Return value

Pin number to use, or -1 if the default should be kept

References

Code

Location

Referrer

int bootloader_flash_get_wp_pin(void)

bootloader_flash_config_esp32.c:175

int bootloader_flash_get_wp_pin(void);

bootloader_flash_config.h:88

psram_io.psram_spiwp_sd3_io = bootloader_flash_get_wp_pin();

esp_psram_impl_quad.c:932

esp_psram_impl_enable()

return bootloader_flash_get_wp_pin();

flash_ops.c:261

esp_mspi_get_io()

esp_rom_spiflash_select_qio_pins(bootloader_flash_get_wp_pin(), esp_rom_efuse_get_flash_gpio_info());

flash_qio_mode.c:110

s_flash_set_qio_pins()

Call Tree

bootloader_flash_get_wp_pin() is called by 3 functions and calls 2 functions:

s_flash_set_qio_pins()

esp_mspi_get_io()

esp_psram_impl_enable()

bootloader_flash_get_wp_pin()

bootloader_common_get_chip_ver_pkg()

efuse_hal_chip_revision()

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