| 0,0 → 1,88 |
|---|
| /* Copyright (C) 2010-2011 Circuits At Home, LTD. All rights reserved. |
| |
| This software may be distributed and modified under the terms of the GNU |
| General Public License version 2 (GPL2) as published by the Free Software |
| Foundation and appearing in the file GPL2.TXT included in the packaging of |
| this file. Please note that GPL2 Section 2[b] requires that all works based |
| on this software must also be made publicly available under the terms of |
| the GPL2 ("Copyleft"). |
| |
| Contact information |
| ------------------- |
| |
| Circuits At Home, LTD |
| Web : http://www.circuitsathome.com |
| e-mail : support@circuitsathome.com |
| */ |
| #include "simpletimer.h" |
| |
| bool SimpleTimer::Set(TimerCallback task, uint32_t timeout, bool once) |
| { |
| if (!task) |
| return false; |
| |
| timeOut = timeout; |
| pCallback = task; |
| timerAttribs.bmOneTime = (once) ? 1 : 0; |
| timerAttribs.bmTimerSet = 1; |
| timerAttribs.bmEnabled = 0; |
| return true; |
| } |
| |
| void SimpleTimer::Reset() |
| { |
| timerAttribs.bmTimerSet = 0; |
| timerAttribs.bmEnabled = 0; |
| timerAttribs.bmOneTime = 0; |
| timerAttribs.bmSign = 0; |
| |
| pCallback = NULL; |
| } |
| |
| bool SimpleTimer::Enable() |
| { |
| if (!pCallback || !timeOut) |
| return false; |
| |
| uint32_t time = millis(); |
| |
| timeToFire = time + timeOut; |
| |
| timerAttribs.bmEnabled = 1; |
| timerAttribs.bmSign = time & MSB_MASK; |
| return true; |
| } |
| |
| void SimpleTimer::Disable() |
| { |
| timerAttribs.bmEnabled = 0; |
| } |
| |
| void SimpleTimer::Run() |
| { |
| if (timerAttribs.bmEnabled == 0) |
| return; |
| |
| if (TimeoutEllapsed()) |
| { |
| if (pCallback) |
| pCallback(); |
| |
| if (timerAttribs.bmOneTime == 1) |
| timerAttribs.bmEnabled = 0; |
| } |
| } |
| |
| bool SimpleTimer::TimeoutEllapsed() |
| { |
| bool ret = false; |
| uint32_t time = millis(); |
| |
| if (time >= timeToFire || (time < timeToFire && timerAttribs.bmSign == 1) ) |
| { |
| timeToFire = time + timeOut; |
| ret = true; |
| } |
| timerAttribs.bmSign = (time & MSB_MASK) ? 1 : 0; |
| return ret; |
| } |