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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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