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62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <esp_err.h>
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#include <esp_spi_flash.h> /* including in bootloader for error values */
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#include "sdkconfig.h"
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#include "soc/soc_caps.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Read flash ID by sending RDID command (0x9F)
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* @return flash raw ID
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* mfg_id = (ID >> 16) & 0xFF;
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flash_id = ID & 0xffff;
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*/
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uint32_t bootloader_read_flash_id(void);
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#if SOC_CACHE_SUPPORT_WRAP
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/**
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* @brief Set the burst mode setting command for specified wrap mode.
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*
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* @param mode The specified warp mode.
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* @return always ESP_OK
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*/
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esp_err_t bootloader_flash_wrap_set(spi_flash_wrap_mode_t mode);
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#endif
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/**
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* @brief Unlock Flash write protect.
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* Please do not call this function in SDK.
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*
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* @note This can be overridden because it's attribute weak.
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*/
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esp_err_t bootloader_flash_unlock(void);
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/**
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* @brief Startup flow recommended by XMC. Call at startup before any erase/write operation.
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*
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* @return ESP_OK When startup successfully, otherwise ESP_FAIL (indiciating you should reboot before erase/write).
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*/
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esp_err_t bootloader_flash_xmc_startup(void);
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#ifdef __cplusplus
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}
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#endif
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