esp-idf/components/bootloader_support/include/bootloader_flash.h

53 wiersze
1.2 KiB
C

/*
* SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <esp_err.h>
#include <esp_spi_flash.h> /* including in bootloader for error values */
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Read flash ID by sending RDID command (0x9F)
* @return flash raw ID
* mfg_id = (ID >> 16) & 0xFF;
flash_id = ID & 0xffff;
*/
uint32_t bootloader_read_flash_id(void);
#if SOC_CACHE_SUPPORT_WRAP
/**
* @brief Set the burst mode setting command for specified wrap mode.
*
* @param mode The specified warp mode.
* @return always ESP_OK
*/
esp_err_t bootloader_flash_wrap_set(spi_flash_wrap_mode_t mode);
#endif
/**
* @brief Unlock Flash write protect.
* Please do not call this function in SDK.
*
* @note This can be overridden because it's attribute weak.
*/
esp_err_t bootloader_flash_unlock(void);
/**
* @brief Startup flow recommended by XMC. Call at startup before any erase/write operation.
*
* @return ESP_OK When startup successfully, otherwise ESP_FAIL (indiciating you should reboot before erase/write).
*/
esp_err_t bootloader_flash_xmc_startup(void);
#ifdef __cplusplus
}
#endif