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Atmosphere/libraries/libstratosphere/source/pwm/pwm_api.cpp

117 lines
3.5 KiB
C++

/*
* Copyright (c) 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>
namespace ams::pwm {
namespace {
constinit os::SdkMutex g_init_mutex;
constinit int g_initialize_count = 0;
ams::sf::SharedPointer<pwm::sf::IManager> g_pwm_manager;
pwm::sf::IChannelSession *GetInterface(const ChannelSession &session) {
AMS_ASSERT(session._session != nullptr);
return static_cast<pwm::sf::IChannelSession *>(session._session);
}
}
void InitializeWith(ams::sf::SharedPointer<pwm::sf::IManager> sp) {
std::scoped_lock lk(g_init_mutex);
AMS_ABORT_UNLESS(g_initialize_count == 0);
g_pwm_manager = sp;
g_initialize_count = 1;
}
void Finalize() {
std::scoped_lock lk(g_init_mutex);
AMS_ASSERT(g_initialize_count > 0);
if ((--g_initialize_count) == 0) {
g_pwm_manager.Reset();
}
}
Result OpenSession(ChannelSession *out, DeviceCode device_code) {
/* Get the session. */
ams::sf::SharedPointer<pwm::sf::IChannelSession> session;
{
if (hos::GetVersion() >= hos::Version_6_0_0) {
R_TRY(g_pwm_manager->OpenSession2(std::addressof(session), device_code));
} else {
R_TRY(g_pwm_manager->OpenSession(std::addressof(session), ConvertToChannelName(device_code)));
}
}
/* Set output. */
out->_session = session.Detach();
/* We succeeded. */
return ResultSuccess();
}
void CloseSession(ChannelSession &session) {
/* Close the session. */
ams::sf::ReleaseSharedObject(GetInterface(session));
session._session = nullptr;
}
void SetPeriod(ChannelSession &session, TimeSpan period) {
R_ABORT_UNLESS(GetInterface(session)->SetPeriod(period));
}
TimeSpan GetPeriod(ChannelSession &session) {
TimeSpanType out_val;
R_ABORT_UNLESS(GetInterface(session)->GetPeriod(std::addressof(out_val)));
return out_val;
}
void SetDuty(ChannelSession &session, int duty) {
R_ABORT_UNLESS(GetInterface(session)->SetDuty(duty));
}
int GetDuty(ChannelSession &session) {
int out_val;
R_ABORT_UNLESS(GetInterface(session)->GetDuty(std::addressof(out_val)));
return out_val;
}
void SetEnabled(ChannelSession &session, bool en) {
R_ABORT_UNLESS(GetInterface(session)->SetEnabled(en));
}
bool GetEnabled(ChannelSession &session) {
bool out_val;
R_ABORT_UNLESS(GetInterface(session)->GetEnabled(std::addressof(out_val)));
return out_val;
}
void SetScale(ChannelSession &session, double scale) {
R_ABORT_UNLESS(GetInterface(session)->SetScale(scale));
}
double GetScale(ChannelSession &session) {
double out_val;
R_ABORT_UNLESS(GetInterface(session)->GetScale(std::addressof(out_val)));
return out_val;
}
}