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/*****************************************************************************
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <[email protected]> #
# #
# 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/>. #
# #
*****************************************************************************/
# pragma once
#include <stm32f1_rtc.h>
#include "storage.h"
namespace DRIVERS {
struct BackupRegister : public Storage {
BackupRegister() : Storage(NON_VOLATILE_STORAGE) {
_rtc.enableClockInterface();
}
void readBlock(void *dest, const void *src, size_t size) override {
uint8_t *dest_ = reinterpret_cast<uint8_t*>(dest);
for(size_t index = 0; index < size; ++index) {
dest_[index] = _rtc.getBackupRegister(reinterpret_cast<uintptr_t>(src) + index + 1);
}
}
void updateBlock(const void *src, void *dest, size_t size) override {
const uint8_t *src_ = reinterpret_cast<const uint8_t*>(src);
for(size_t index = 0; index < size; ++index) {
_rtc.setBackupRegister(reinterpret_cast<uintptr_t>(dest) + index + 1, src_[index]);
}
}
private:
STM32F1_RTC _rtc;
};
}
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