39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <stddef.h>
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#include <stdint.h>
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class PersistentStore {
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public:
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static bool access_start();
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static bool access_finish();
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static bool write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc);
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static bool read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing=true);
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static bool write_data(const int pos, uint8_t* value, size_t size);
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static bool read_data(const int pos, uint8_t* value, size_t size);
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static const size_t capacity();
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};
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extern PersistentStore persistentStore;
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