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add smoothTimer.js
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xiaomaitx
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| // smoothTimer.js 稳定计时器 用于解决Zepp OS timer计时器不准的问题 | ||
| // @author CuberQAQ | ||
| // @date 2022/12/24 | ||
| // Open Source Lisence: MIT <https://opensource.org/licenses/mit-license.php> | ||
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| const SMOOTH_TIMER_TEST_CIRCLE = 1 | ||
| const SMOOTH_TIMER_SAFE_TIME = 30 | ||
| const hmTime = hmSensor.createSensor(hmSensor.id.TIME) | ||
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| export class SmoothTimer { | ||
| /** | ||
| * Create a smooth timer. | ||
| * 创建一个稳定的计时器 | ||
| * @param {number} delay Time to start. 延迟执行的时间。 | ||
| * @param {number} circle The Loop Circle(ms). 循环周期(单位:毫秒)。 | ||
| * @param {(option: any) => void} func Function Callback. 回调函数。 | ||
| * @param {*} option As the param when call the Callback Function. 回调函数的参数 | ||
| * @param {SmoothTimer.modes} mode The mode of smoothTimer. 稳定计时器的模式 @see SmoothTimer.modes | ||
| * @returns {SmoothTimer} Smooth Timer Object. Will be used when delete timer. 稳定计时器实例，删除计时器时用到 | ||
| * @author CuberQAQ | ||
| */ | ||
| constructor(delay, circle, func, option, mode) { | ||
| this._lastUtc_ = hmTime.utc + delay - circle | ||
| //if (frequency != undefined) { circle = Math.round(1000 / frequency) } | ||
| if (circle == undefined) | ||
| return null | ||
| this.mode = mode || SmoothTimer.modes.DYNAMIC_SMOOTH | ||
| this._circle_ = circle | ||
| this._hmTimer_ = timer.createTimer( | ||
| 0, | ||
| SMOOTH_TIMER_TEST_CIRCLE, | ||
| param => { | ||
| // 检测是否到达指定时间 | ||
| if (hmTime.utc - this._lastUtc_ >= circle) { // 到达并执行 | ||
| if(this.mode == SmoothTimer.modes.MAX_LIMIT) { | ||
| this._lastUtc_ = hmTime.utc - 0.75 | ||
| } | ||
| else if (this.mode == SmoothTimer.modes.DYNAMIC_SMOOTH) { | ||
| this._lastUtc_ += circle // 更新上一次执行的时间戳 | ||
| } | ||
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| func(param) // 执行 | ||
| } | ||
| // // 检测是否到达指定时间 | ||
| // while(hmTime.utc - this._lastUtc_ >= circle + SMOOTH_TIMER_SAFE_TIME) { // 到达并执行 | ||
| // this._lastUtc_ += circle // 更新上一次执行的时间戳 | ||
| // func(param) // 执行 | ||
| // } | ||
| }, | ||
| option | ||
| ) | ||
| } | ||
| } | ||
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| /** | ||
| * Smooth Timer Mode 稳定计时器运行模式 | ||
| * | ||
| * DYNAMIC_SMOOTH: 动态稳定 Try to make total callback times smooth 尝试稳定总回调次数 | ||
| * | ||
| * MAX_LIMIT: 限制速度 Can't run faster then setting 在限定范围内运行 | ||
| */ | ||
| SmoothTimer.modes = { | ||
| DYNAMIC_SMOOTH: 1, // 动态稳定 | ||
| MAX_LIMIT: 2, // 限制速度 | ||
| } | ||
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| /** | ||
| * Create a smooth timer. | ||
| * 创建一个稳定的计时器 | ||
| * @param {number} delay Time to start. 延迟执行的时间。 | ||
| * @param {number} circle The Loop Circle(ms). 循环周期(单位:毫秒)。 | ||
| * @param {(option: any) => void} func Function Callback. 回调函数。 | ||
| * @param {*} option As the param when call the Callback Function. 回调函数的参数 | ||
| * @param {SmoothTimer.modes|undefined} mode The mode of smoothTimer. 稳定计时器的模式 @see SmoothTimer.modes | ||
| * @returns {SmoothTimer} Smooth Timer Object. Will be used when delete timer. 稳定计时器实例，删除计时器时用到 | ||
| * @author CuberQAQ | ||
| */ | ||
| export function createSmoothTimer(delay, circle, func, option, mode) { | ||
| return new SmoothTimer(delay, circle, func, option, mode) | ||
| } | ||
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| /** | ||
| * Delete a smooth timer. | ||
| * 删除已启用的稳定计时器 | ||
| * @param {SmoothTimer} instance Smooth Timer Instance. 已启用的SmoothTimer实例 | ||
| * @returns {boolean} If successfully stop. 是否成功删除 | ||
| */ | ||
| export function stopSmoothTimer(instance) { | ||
| if (instance._hmTimer_) { timer.stopTimer(instance._hmTimer_); return true } | ||
| return false | ||
| } |