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/*
*
* Copyright (c) 2020 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 "LEDWidget.h"
#include <platform/CHIPDeviceLayer.h>
#include <platform/silabs/platformAbstraction/SilabsPlatform.h>
using namespace ::chip::System;
using namespace chip::DeviceLayer::Silabs;
void LEDWidget::InitGpio(void)
{
// Sets gpio pin mode for ALL board Leds.
GetPlatform().InitLed();
}
void LEDWidget::Init(const uint8_t led)
{
mLastChangeTimeMS = 0;
mBlinkOnTimeMS = 0;
mBlinkOffTimeMS = 0;
mLed = led;
mLedStatus = false;
Set(false);
}
void LEDWidget::Invert(void)
{
GetPlatform().ToggleLed(mLed);
mLedStatus = !mLedStatus;
}
void LEDWidget::Set(bool state)
{
mLastChangeTimeMS = mBlinkOnTimeMS = mBlinkOffTimeMS = 0;
GetPlatform().SetLed(state, mLed);
mLedStatus = state;
}
void LEDWidget::Blink(uint32_t changeRateMS)
{
Blink(changeRateMS, changeRateMS);
}
void LEDWidget::Blink(uint32_t onTimeMS, uint32_t offTimeMS)
{
mBlinkOnTimeMS = onTimeMS;
mBlinkOffTimeMS = offTimeMS;
Animate();
}
void LEDWidget::Animate()
{
if (mBlinkOnTimeMS != 0 && mBlinkOffTimeMS != 0)
{
uint64_t nowMS = chip::System::SystemClock().GetMonotonicMilliseconds64().count();
uint64_t stateDurMS = mLedStatus ? mBlinkOnTimeMS : mBlinkOffTimeMS;
uint64_t nextChangeTimeMS = mLastChangeTimeMS + stateDurMS;
if (nextChangeTimeMS < nowMS)
{
Invert();
mLastChangeTimeMS = nowMS;
}
}
}