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57 lines
1.8 KiB
57 lines
1.8 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
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*
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*/
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#ifdef ARDUINO_ARCH_ESP32
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#include "../../inc/MarlinConfig.h"
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#if ENABLED(EEPROM_SETTINGS)
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#include "../shared/eeprom_api.h"
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#include <EEPROM.h>
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#ifndef MARLIN_EEPROM_SIZE
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#define MARLIN_EEPROM_SIZE 0x1000 // 4KB
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#endif
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size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
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bool PersistentStore::access_start() { return EEPROM.begin(MARLIN_EEPROM_SIZE); }
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bool PersistentStore::access_finish() { EEPROM.end(); return true; }
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bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
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for (size_t i = 0; i < size; i++) {
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EEPROM.write(pos++, value[i]);
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crc16(crc, &value[i], 1);
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}
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return false;
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}
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bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
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for (size_t i = 0; i < size; i++) {
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uint8_t c = EEPROM.read(pos++);
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if (writing) value[i] = c;
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crc16(crc, &c, 1);
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}
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return false;
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}
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#endif // EEPROM_SETTINGS
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#endif // ARDUINO_ARCH_ESP32
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