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65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
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* Copyright (c) 2022 OpenLuat & AirM2M
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LUAT_flash_H
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#define LUAT_flash_H
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#include "luat_base.h"
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/**
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* @defgroup luatos_flash 片上Flash操作
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* @{
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*/
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/**
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* @brief 读取指定区域的Flash数据
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*
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* @param buff[OUT] 读出的数据
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* @param addr 偏移量, 与具体设备相关
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* @param len 读取长度
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* @return int <= 0错误 >0实际读取的大小
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*/
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int luat_flash_read(char* buff, size_t addr, size_t len);
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/**
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* @brief 写入指定区域的flash数据
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*
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* @param buff[IN] 写入的数据
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* @param addr 偏移量, 与具体设备相关
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* @param len 写入长度
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* @return int <= 0错误 >0实际写入的大小
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*/
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int luat_flash_write(char* buff, size_t addr, size_t len);
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/**
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* @brief 抹除指定区域的flash数据
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*
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* @param addr 偏移量, 与具体设备相关
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* @param len 抹除长度,通常为区域大小, 例如4096
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* @return int != 0错误 =0 正常
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*/
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int luat_flash_erase(size_t addr, size_t len);
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/**
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* @}
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*/
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#endif
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