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Atmosphere/stratosphere/fatal/source/fatal_task_power.cpp
SciresM 3a1ccdd919
Switch atmosphere's build target to C++20. (#952)
* ams: update to build with gcc10/c++20

* remove mno-outline-atomics

* ams: take care of most TODO C++20s

* fusee/sept: update for gcc10

* whoosh, your code now uses pre-compiled headers

* make: dependency fixes
2020-05-11 15:02:10 -07:00

230 lines
8.4 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 "fatal_config.hpp"
#include "fatal_task_power.hpp"
namespace ams::fatal::srv {
namespace {
/* Task types. */
class PowerControlTask : public ITaskWithDefaultStack {
private:
bool TryShutdown();
void MonitorBatteryState();
public:
virtual Result Run() override;
virtual const char *GetName() const override {
return "PowerControlTask";
}
};
class PowerButtonObserveTask : public ITaskWithDefaultStack {
private:
void WaitForPowerButton();
public:
virtual Result Run() override;
virtual const char *GetName() const override {
return "PowerButtonObserveTask";
}
};
class StateTransitionStopTask : public ITaskWithDefaultStack {
public:
virtual Result Run() override;
virtual const char *GetName() const override {
return "StateTransitionStopTask";
}
};
class RebootTimingObserver {
private:
os::Tick start_tick;
bool flag;
s32 interval;
public:
RebootTimingObserver(bool flag, s32 interval) : start_tick(os::GetSystemTick()), flag(flag), interval(interval) {
/* ... */
}
bool IsRebootTiming() const {
auto current_tick = os::GetSystemTick();
return this->flag && (current_tick - this->start_tick).ToTimeSpan().GetSeconds() >= this->interval;
}
};
/* Task globals. */
PowerControlTask g_power_control_task;
PowerButtonObserveTask g_power_button_observe_task;
StateTransitionStopTask g_state_transition_stop_task;
/* Task Implementations. */
bool PowerControlTask::TryShutdown() {
/* Set a timeout of 30 seconds. */
constexpr s32 MaxShutdownWaitSeconds = 30;
auto start_tick = os::GetSystemTick();
bool perform_shutdown = true;
PsmBatteryVoltageState bv_state = PsmBatteryVoltageState_Normal;
while (true) {
auto cur_tick = os::GetSystemTick();
if ((cur_tick - start_tick).ToTimeSpan().GetSeconds() > MaxShutdownWaitSeconds) {
break;
}
if (R_FAILED(psmGetBatteryVoltageState(&bv_state)) || bv_state == PsmBatteryVoltageState_NeedsShutdown) {
break;
}
if (bv_state == PsmBatteryVoltageState_Normal) {
perform_shutdown = false;
break;
}
/* Query voltage state every 1 seconds, for 30 seconds. */
os::SleepThread(TimeSpan::FromSeconds(1));
}
if (perform_shutdown) {
bpcShutdownSystem();
}
return perform_shutdown;
}
void PowerControlTask::MonitorBatteryState() {
PsmBatteryVoltageState bv_state = PsmBatteryVoltageState_Normal;
/* Check the battery state, and shutdown on low voltage. */
if (R_FAILED(psmGetBatteryVoltageState(&bv_state)) || bv_state == PsmBatteryVoltageState_NeedsShutdown) {
/* Wait a second for the error report task to finish. */
this->context->erpt_event->TimedWait(TimeSpan::FromSeconds(1));
this->TryShutdown();
return;
}
/* Signal we've checked the battery at least once. */
this->context->battery_event->Signal();
/* Loop querying voltage state every 5 seconds. */
while (true) {
if (R_FAILED(psmGetBatteryVoltageState(&bv_state))) {
bv_state = PsmBatteryVoltageState_NeedsShutdown;
}
switch (bv_state) {
case PsmBatteryVoltageState_NeedsShutdown:
case PsmBatteryVoltageState_NeedsSleep:
{
bool shutdown = this->TryShutdown();
if (shutdown) {
return;
}
}
break;
default:
break;
}
os::SleepThread(TimeSpan::FromSeconds(5));
}
}
void PowerButtonObserveTask::WaitForPowerButton() {
/* Wait up to a second for error report generation to finish. */
this->context->erpt_event->TimedWait(TimeSpan::FromSeconds(1));
/* Force a reboot after some time if kiosk unit. */
const auto &config = GetFatalConfig();
RebootTimingObserver quest_reboot_helper(config.IsQuest(), config.GetQuestRebootTimeoutInterval());
RebootTimingObserver fatal_reboot_helper(config.IsFatalRebootEnabled(), config.GetFatalRebootTimeoutInterval());
bool check_vol_up = true, check_vol_down = true;
GpioPadSession vol_up_btn, vol_down_btn;
if (R_FAILED(gpioOpenSession(&vol_up_btn, GpioPadName_ButtonVolUp))) {
check_vol_up = false;
}
if (R_FAILED(gpioOpenSession(&vol_down_btn, GpioPadName_ButtonVolDown))) {
check_vol_down = false;
}
/* Ensure we close on early return. */
ON_SCOPE_EXIT { if (check_vol_up) { gpioPadClose(&vol_up_btn); } };
ON_SCOPE_EXIT { if (check_vol_down) { gpioPadClose(&vol_down_btn); } };
/* Set direction input. */
if (check_vol_up) {
gpioPadSetDirection(&vol_up_btn, GpioDirection_Input);
}
if (check_vol_down) {
gpioPadSetDirection(&vol_down_btn, GpioDirection_Input);
}
BpcSleepButtonState state;
GpioValue val;
while (true) {
if (fatal_reboot_helper.IsRebootTiming() || (quest_reboot_helper.IsRebootTiming()) ||
(check_vol_up && R_SUCCEEDED(gpioPadGetValue(&vol_up_btn, &val)) && val == GpioValue_Low) ||
(check_vol_down && R_SUCCEEDED(gpioPadGetValue(&vol_down_btn, &val)) && val == GpioValue_Low) ||
(R_SUCCEEDED(bpcGetSleepButtonState(&state)) && state == BpcSleepButtonState_Held)) {
/* If any of the above conditions succeeded, we should reboot. */
bpcRebootSystem();
return;
}
/* Wait 100 ms between button checks. */
os::SleepThread(TimeSpan::FromMilliSeconds(100));
}
}
Result PowerControlTask::Run() {
this->MonitorBatteryState();
return ResultSuccess();
}
Result PowerButtonObserveTask::Run() {
this->WaitForPowerButton();
return ResultSuccess();
}
Result StateTransitionStopTask::Run() {
/* Nintendo ignores the output of this call... */
spsmPutErrorState();
return ResultSuccess();
}
}
ITask *GetPowerControlTask(const ThrowContext *ctx) {
g_power_control_task.Initialize(ctx);
return &g_power_control_task;
}
ITask *GetPowerButtonObserveTask(const ThrowContext *ctx) {
g_power_button_observe_task.Initialize(ctx);
return &g_power_button_observe_task;
}
ITask *GetStateTransitionStopTask(const ThrowContext *ctx) {
g_state_transition_stop_task.Initialize(ctx);
return &g_state_transition_stop_task;
}
}