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80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2022 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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/**
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* SAMD21 HAL developed by Bart Meijer (brupje)
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* Based on SAMD51 HAL by Giuliano Zaro (AKA GMagician)
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*/
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#ifdef __SAMD21__
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#include "../../inc/MarlinConfig.h"
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#if ENABLED(QSPI_EEPROM)
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#error "QSPI_EEPROM emulation Not implemented on SAMD21"
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#include "../shared/eeprom_api.h"
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#include "QSPIFlash.h"
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static bool initialized;
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size_t PersistentStore::capacity() { return qspi.size() - eeprom_exclude_size; }
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bool PersistentStore::access_start() {
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if (!initialized) {
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qspi.begin();
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initialized = true;
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}
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return true;
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}
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bool PersistentStore::access_finish() {
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qspi.flush();
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return true;
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}
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bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
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while (size--) {
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const uint8_t v = *value;
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qspi.writeByte(REAL_EEPROM_ADDR(pos), v);
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crc16(crc, &v, 1);
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pos++;
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value++;
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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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while (size--) {
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const uint8_t c = qspi.readByte(REAL_EEPROM_ADDR(pos));
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if (writing) *value = c;
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crc16(crc, &c, 1);
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pos++;
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value++;
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}
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return false;
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}
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#endif // QSPI_EEPROM
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#endif // __SAMD21__
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