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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * SAMD51 HAL developed by Giuliano Zaro (AKA GMagician)
- *
- * 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 __SAMD51__
-
- #include "../../inc/MarlinConfig.h"
-
- #if ENABLED(QSPI_EEPROM)
-
- #include "../shared/eeprom_api.h"
-
- #include "QSPIFlash.h"
-
- static bool initialized;
-
- size_t PersistentStore::capacity() { return qspi.size(); }
-
- bool PersistentStore::access_start() {
- if (!initialized) {
- qspi.begin();
- initialized = true;
- }
- return true;
- }
-
- bool PersistentStore::access_finish() {
- qspi.flush();
- return true;
- }
-
- bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
- while (size--) {
- const uint8_t v = *value;
- qspi.writeByte(pos, v);
- crc16(crc, &v, 1);
- pos++;
- value++;
- }
- return false;
- }
-
- bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
- while (size--) {
- uint8_t c = qspi.readByte(pos);
- if (writing) *value = c;
- crc16(crc, &c, 1);
- pos++;
- value++;
- }
- return false;
- }
-
- #endif // QSPI_EEPROM
- #endif // __SAMD51__
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