Atmosphere/libraries/libstratosphere/source/pwm/driver/pwm_driver_channel_api.cpp

97 lines
3.2 KiB
C++

/*
* 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 "impl/pwm_driver_core.hpp"
#include "impl/pwm_channel_session_impl.hpp"
namespace ams::pwm::driver {
namespace {
Result OpenSessionImpl(ChannelSession *out, IPwmDevice *device) {
/* Construct the session. */
auto *session = std::construct_at(std::addressof(impl::GetChannelSessionImpl(*out)));
auto session_guard = SCOPE_GUARD { std::destroy_at(session); };
/* Open the session. */
R_TRY(session->Open(device, ddsf::AccessMode_ReadWrite));
/* We succeeded. */
session_guard.Cancel();
return ResultSuccess();
}
}
Result OpenSession(ChannelSession *out, DeviceCode device_code) {
AMS_ASSERT(out != nullptr);
/* Find the device. */
IPwmDevice *device = nullptr;
R_TRY(impl::FindDevice(std::addressof(device), device_code));
AMS_ASSERT(device != nullptr);
/* Open the session. */
R_TRY(OpenSessionImpl(out, device));
return ResultSuccess();
}
void CloseSession(ChannelSession &session) {
std::destroy_at(std::addressof(impl::GetOpenChannelSessionImpl(session)));
}
void SetPeriod(ChannelSession &session, TimeSpan period) {
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).SetPeriod(period));
}
TimeSpan GetPeriod(ChannelSession &session) {
TimeSpan out_val;
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).GetPeriod(std::addressof(out_val)));
return out_val;
}
void SetDuty(ChannelSession &session, int duty) {
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).SetDuty(duty));
}
int GetDuty(ChannelSession &session) {
int out_val;
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).GetDuty(std::addressof(out_val)));
return out_val;
}
void SetEnabled(ChannelSession &session, bool en) {
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).SetEnabled(en));
}
bool GetEnabled(ChannelSession &session) {
bool out_val;
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).GetEnabled(std::addressof(out_val)));
return out_val;
}
void SetScale(ChannelSession &session, double scale) {
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).SetScale(scale));
}
double GetScale(ChannelSession &session) {
double out_val;
R_ABORT_UNLESS(impl::GetOpenChannelSessionImpl(session).GetScale(std::addressof(out_val)));
return out_val;
}
}