| /* |
| * |
| * Copyright (c) 2021 Project CHIP Authors |
| * 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 <zephyr.h> |
| |
| const struct device * LEDWidget::mPort = NULL; |
| |
| void LEDWidget::InitGpio(const device * port) |
| { |
| mPort = port; |
| __ASSERT(device_is_ready(mPort), "%s is not ready\n", mPort->name); |
| } |
| |
| void LEDWidget::Init(gpio_pin_t gpioNum) |
| { |
| mLastChangeTimeMS = 0; |
| mBlinkOnTimeMS = 0; |
| mBlinkOffTimeMS = 0; |
| mGPIONum = gpioNum; |
| mState = false; |
| |
| int ret = gpio_pin_configure(mPort, mGPIONum, GPIO_OUTPUT_ACTIVE); |
| __ASSERT(ret >= 0, "GPIO pin %d configure - fail. Status%d\n", mGPIONum, ret); |
| |
| Set(false); |
| } |
| |
| void LEDWidget::Invert(void) |
| { |
| Set(!mState); |
| } |
| |
| void LEDWidget::Set(bool state) |
| { |
| mLastChangeTimeMS = mBlinkOnTimeMS = mBlinkOffTimeMS = 0; |
| DoSet(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) |
| { |
| int64_t nowMS = k_uptime_get(); |
| int64_t stateDurMS = mState ? mBlinkOnTimeMS : mBlinkOffTimeMS; |
| |
| if (nowMS > mLastChangeTimeMS + stateDurMS) |
| { |
| DoSet(!mState); |
| mLastChangeTimeMS = nowMS; |
| } |
| } |
| } |
| |
| void LEDWidget::DoSet(bool state) |
| { |
| mState = state; |
| int ret = gpio_pin_set(mPort, mGPIONum, state); |
| __ASSERT(ret >= 0, "GPIO pin %d set -fail. Status: %d\n", mGPIONum, ret); |
| } |