Atmosphere/libraries/libstratosphere/source/htclow/ctrl/htclow_ctrl_state.hpp

165 lines
6.5 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/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::htclow::ctrl {
enum HtcctrlState : u32 {
HtcctrlState_DriverConnected = 0,
HtcctrlState_SentConnectFromHost = 1,
HtcctrlState_Connected = 2,
HtcctrlState_SentReadyFromHost = 3,
HtcctrlState_Ready = 4,
HtcctrlState_SentSuspendFromTarget = 5,
HtcctrlState_EnterSleep = 6,
HtcctrlState_Sleep = 7,
HtcctrlState_ExitSleep = 8,
HtcctrlState_SentResumeFromTarget = 9,
HtcctrlState_Disconnected = 10,
HtcctrlState_DriverDisconnected = 11,
HtcctrlState_Error = 12,
};
constexpr bool IsStateTransitionAllowed(HtcctrlState from, HtcctrlState to) {
switch (from) {
case HtcctrlState_DriverConnected:
return to == HtcctrlState_SentConnectFromHost ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentConnectFromHost:
return to == HtcctrlState_Connected ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Connected:
return to == HtcctrlState_SentReadyFromHost ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentReadyFromHost:
return to == HtcctrlState_Ready ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Ready:
return to == HtcctrlState_SentSuspendFromTarget ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentSuspendFromTarget:
return to == HtcctrlState_EnterSleep ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_EnterSleep:
return to == HtcctrlState_Sleep ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Sleep:
return to == HtcctrlState_ExitSleep;
case HtcctrlState_ExitSleep:
return to == HtcctrlState_SentResumeFromTarget ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_SentResumeFromTarget:
return to == HtcctrlState_Ready ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_Disconnected:
return to == HtcctrlState_SentConnectFromHost ||
to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
case HtcctrlState_DriverDisconnected:
return to == HtcctrlState_DriverConnected;
case HtcctrlState_Error:
return to == HtcctrlState_Disconnected ||
to == HtcctrlState_DriverDisconnected ||
to == HtcctrlState_Error;
AMS_UNREACHABLE_DEFAULT_CASE();
}
}
constexpr bool IsDisconnected(HtcctrlState state) {
switch (state) {
case HtcctrlState_Disconnected:
case HtcctrlState_DriverDisconnected:
return true;
default:
return false;
}
}
constexpr bool IsConnecting(HtcctrlState state) {
switch (state) {
case HtcctrlState_DriverConnected:
case HtcctrlState_SentConnectFromHost:
case HtcctrlState_Disconnected:
return true;
default:
return false;
}
}
constexpr bool IsConnected(HtcctrlState state) {
switch (state) {
case HtcctrlState_Connected:
case HtcctrlState_SentReadyFromHost:
case HtcctrlState_Ready:
case HtcctrlState_SentSuspendFromTarget:
case HtcctrlState_EnterSleep:
case HtcctrlState_Sleep:
case HtcctrlState_ExitSleep:
case HtcctrlState_SentResumeFromTarget:
return true;
default:
return false;
}
}
constexpr bool IsReadied(HtcctrlState state) {
switch (state) {
case HtcctrlState_Ready:
case HtcctrlState_SentSuspendFromTarget:
case HtcctrlState_EnterSleep:
case HtcctrlState_Sleep:
case HtcctrlState_ExitSleep:
case HtcctrlState_SentResumeFromTarget:
return true;
default:
return false;
}
}
constexpr bool IsSleeping(HtcctrlState state) {
switch (state) {
case HtcctrlState_SentSuspendFromTarget:
case HtcctrlState_EnterSleep:
case HtcctrlState_Sleep:
case HtcctrlState_ExitSleep:
case HtcctrlState_SentResumeFromTarget:
return true;
default:
return false;
}
}
}