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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
- #ifdef ARDUINO_ARCH_ESP32
-
- #include "../../inc/MarlinConfig.h"
-
- #if ENABLED(EEPROM_SETTINGS)
-
- #include "../shared/eeprom_api.h"
- #include <EEPROM.h>
-
- #ifndef MARLIN_EEPROM_SIZE
- #define MARLIN_EEPROM_SIZE 0x1000 // 4KB
- #endif
- size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
-
- bool PersistentStore::access_start() { return EEPROM.begin(MARLIN_EEPROM_SIZE); }
- bool PersistentStore::access_finish() { EEPROM.end(); return true; }
-
- bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
- for (size_t i = 0; i < size; i++) {
- EEPROM.write(pos++, value[i]);
- crc16(crc, &value[i], 1);
- }
- return false;
- }
-
- bool PersistentStore::read_data(int &pos, uint8_t* value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
- for (size_t i = 0; i < size; i++) {
- uint8_t c = EEPROM.read(pos++);
- if (writing) value[i] = c;
- crc16(crc, &c, 1);
- }
- return false;
- }
-
- #endif // EEPROM_SETTINGS
- #endif // ARDUINO_ARCH_ESP32
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