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Atmosphere/stratosphere/boot/source/boot_rtc_driver.cpp
2019-05-02 19:33:12 -07:00

41 lines
1.4 KiB
C++

/*
* Copyright (c) 2018-2019 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 <switch.h>
#include <stratosphere.hpp>
#include "boot_functions.hpp"
#include "boot_rtc_driver.hpp"
Result RtcDriver::ReadRtcRegister(u8 *out, u8 address) {
const u8 update_addr = 0x04;
const u8 update_val = 0x10;
Result rc = Boot::WriteI2cRegister(this->i2c_session, &update_val, sizeof(update_val), &update_addr, sizeof(update_addr));
if (R_FAILED(rc)) {
return rc;
}
svcSleepThread(16'000'000ul);
return Boot::ReadI2cRegister(this->i2c_session, out, sizeof(*out), &address, sizeof(address));
}
Result RtcDriver::GetRtcIntr(u8 *out) {
const u8 addr = 0x00;
return Boot::ReadI2cRegister(this->i2c_session, out, sizeof(*out), &addr, sizeof(addr));
}
Result RtcDriver::GetRtcIntrM(u8 *out) {
const u8 addr = 0x01;
return this->ReadRtcRegister(out, addr);
}