Atmosphere/libraries/libstratosphere/source/cal/cal_battery_api.cpp

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/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "cal_fs_utils.hpp"
namespace ams::cal {
namespace {
constexpr inline s64 BatteryLotOffset = 0x2CE0;
constexpr inline size_t BatteryLotSize = 0x20;
constexpr inline s64 BatteryVersionOffset = 0x4310;
constexpr inline size_t BatteryVersionSize = 0x10;
constexpr inline size_t BatteryVendorSizeMax = 0x18;
}
Result GetBatteryVersion(u8 *out) {
/* Read the battery version. */
u8 battery_version[BatteryVersionSize];
R_TRY(cal::impl::ReadCalibrationBlock(BatteryVersionOffset, battery_version, sizeof(battery_version)));
/* Write the output. */
*out = battery_version[0];
return ResultSuccess();
}
Result GetBatteryVendor(size_t *out_vendor_size, void *dst, size_t dst_size) {
/* Read the battery lot. */
char battery_lot[BatteryLotSize];
R_TRY(cal::impl::ReadCalibrationBlock(BatteryLotOffset, battery_lot, sizeof(battery_lot)));
/* Copy output. */
*out_vendor_size = static_cast<size_t>(util::Strlcpy(static_cast<char *>(dst), battery_lot, std::min(dst_size, BatteryVendorSizeMax)));
return ResultSuccess();
}
}