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/*
*
* Copyright (c) 2021 Project CHIP Authors
* Copyright (c) 2019 Google LLC.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "LightingManager.h"
#include "AppConfig.h"
#include "AppTask.h"
#include <FreeRTOS.h>
LightingManager LightingManager::sLight;
TimerHandle_t sLightTimer;
CHIP_ERROR LightingManager::Init()
{
// Create FreeRTOS sw timer for light timer.
sLightTimer = xTimerCreate("lightTmr", // Just a text name, not used by the RTOS kernel
1, // == default timer period (mS)
false, // no timer reload (==one-shot)
(void *) this, // init timer id = light obj context
TimerEventHandler // timer callback handler
);
if (sLightTimer == NULL)
{
P6_LOG("sLockTimer timer create failed");
return APP_ERROR_CREATE_TIMER_FAILED;
}
mState = kState_OffCompleted;
mAutoTurnOffTimerArmed = false;
mAutoTurnOff = false;
mAutoTurnOffDuration = 0;
return CHIP_NO_ERROR;
}
void LightingManager::SetCallbacks(Callback_fn_initiated aActionInitiated_CB, Callback_fn_completed aActionCompleted_CB)
{
mActionInitiated_CB = aActionInitiated_CB;
mActionCompleted_CB = aActionCompleted_CB;
}
bool LightingManager::IsActionInProgress()
{
return (mState == kState_OffInitiated || mState == kState_OnInitiated);
}
bool LightingManager::IsLightOn()
{
return (mState == kState_OnCompleted);
}
void LightingManager::EnableAutoTurnOff(bool aOn)
{
mAutoTurnOff = aOn;
}
void LightingManager::SetAutoTurnOffDuration(uint32_t aDurationInSecs)
{
mAutoTurnOffDuration = aDurationInSecs;
}
bool LightingManager::InitiateAction(int32_t aActor, Action_t aAction)
{
bool action_initiated = false;
State_t new_state;
// Initiate Turn On/Off Action only when the previous one is complete.
if (mState == kState_OffCompleted && aAction == ON_ACTION)
{
action_initiated = true;
new_state = kState_OnInitiated;
}
else if (mState == kState_OnCompleted && aAction == OFF_ACTION)
{
action_initiated = true;
new_state = kState_OffInitiated;
}
if (action_initiated)
{
if (mAutoTurnOffTimerArmed && new_state == kState_OffInitiated)
{
// If auto turn off timer has been armed and someone initiates turning off,
// cancel the timer and continue as normal.
mAutoTurnOffTimerArmed = false;
CancelTimer();
}
StartTimer(ACTUATOR_MOVEMENT_PERIOS_MS);
// Since the timer started successfully, update the state and trigger callback
mState = new_state;
if (mActionInitiated_CB)
{
mActionInitiated_CB(aAction, aActor);
}
}
return action_initiated;
}
void LightingManager::StartTimer(uint32_t aTimeoutMs)
{
if (xTimerIsTimerActive(sLightTimer))
{
P6_LOG("app timer already started!");
CancelTimer();
}
// timer is not active, change its period to required value (== restart).
// FreeRTOS- Block for a maximum of 100 ticks if the change period command
// cannot immediately be sent to the timer command queue.
if (xTimerChangePeriod(sLightTimer, (aTimeoutMs / portTICK_PERIOD_MS), 100) != pdPASS)
{
P6_LOG("sLockTimer timer start() failed");
appError(APP_ERROR_START_TIMER_FAILED);
}
}
void LightingManager::CancelTimer(void)
{
if (xTimerStop(sLightTimer, 0) == pdFAIL)
{
P6_LOG("sLightTimer stop() failed");
appError(APP_ERROR_STOP_TIMER_FAILED);
}
}
void LightingManager::TimerEventHandler(TimerHandle_t xTimer)
{
// Get light obj context from timer id.
LightingManager * light = static_cast<LightingManager *>(pvTimerGetTimerID(xTimer));
// The timer event handler will be called in the context of the timer task
// once sLightTimer expires. Post an event to apptask queue with the actual handler
// so that the event can be handled in the context of the apptask.
AppEvent event;
event.Type = AppEvent::kEventType_Timer;
event.TimerEvent.Context = light;
if (light->mAutoTurnOffTimerArmed)
{
event.Handler = AutoTurnOffTimerEventHandler;
}
else
{
event.Handler = ActuatorMovementTimerEventHandler;
}
GetAppTask().PostEvent(&event);
}
void LightingManager::AutoTurnOffTimerEventHandler(AppEvent * aEvent)
{
LightingManager * light = static_cast<LightingManager *>(aEvent->TimerEvent.Context);
int32_t actor = 0;
// Make sure auto turn off timer is still armed.
if (!light->mAutoTurnOffTimerArmed)
{
return;
}
light->mAutoTurnOffTimerArmed = false;
P6_LOG("Auto Turn Off has been triggered!");
light->InitiateAction(actor, OFF_ACTION);
}
void LightingManager::ActuatorMovementTimerEventHandler(AppEvent * aEvent)
{
Action_t actionCompleted = INVALID_ACTION;
LightingManager * light = static_cast<LightingManager *>(aEvent->TimerEvent.Context);
if (light->mState == kState_OffInitiated)
{
light->mState = kState_OffCompleted;
actionCompleted = OFF_ACTION;
}
else if (light->mState == kState_OnInitiated)
{
light->mState = kState_OnCompleted;
actionCompleted = ON_ACTION;
}
if (actionCompleted != INVALID_ACTION)
{
if (light->mActionCompleted_CB)
{
light->mActionCompleted_CB(actionCompleted);
}
if (light->mAutoTurnOff && actionCompleted == ON_ACTION)
{
// Start the timer for auto turn off
light->StartTimer(light->mAutoTurnOffDuration * 1000);
light->mAutoTurnOffTimerArmed = true;
P6_LOG("Auto Turn off enabled. Will be triggered in %u seconds", light->mAutoTurnOffDuration);
}
}
}