Module spiflash

Available on crate feature unstable only.

Definitions of ROM functions related to flash memory.

Constants

ESP_ROM_SPIFLASH_RESULT_ERR

The operation errored

ESP_ROM_SPIFLASH_RESULT_OK

The operation succeeded

ESP_ROM_SPIFLASH_RESULT_TIMEOUT

The operation timed out

Functions

esp_rom_spiflash_erase_sector^⚠

Erase a sector of flash. Uses SPI flash command 20H.

esp_rom_spiflash_read^⚠

Read Data from Flash via ROM code, you should Erase it yourself if need.

esp_rom_spiflash_unlock^⚠

Clear all SR bits except QE bit.

esp_rom_spiflash_write^⚠

Write Data to Flash, you should Erase it yourself if need.