1 // Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // http://www.apache.org/licenses/LICENSE-2.0 7 // 8 // Unless required by applicable law or agreed to in writing, software 9 // distributed under the License is distributed on an "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 14 15 #ifndef _Flash_Access_H_ 16 #define _Flash_Access_H_ 17 #include "esp_err.h" 18 19 /** 20 * @brief Universal flash access interface class 21 * 22 */ 23 class Flash_Access 24 { 25 public: 26 virtual size_t chip_size() = 0; 27 28 virtual esp_err_t erase_sector(size_t sector) = 0; 29 virtual esp_err_t erase_range(size_t start_address, size_t size) = 0; 30 31 virtual esp_err_t write(size_t dest_addr, const void *src, size_t size) = 0; 32 virtual esp_err_t read(size_t src_addr, void *dest, size_t size) = 0; 33 34 virtual size_t sector_size() = 0; 35 flush()36 virtual esp_err_t flush() 37 { 38 return ESP_OK; 39 }; 40 ~Flash_Access()41 virtual ~Flash_Access() {}; 42 }; 43 44 #endif // _Flash_Access_H_ 45
