Simple Debug LED or indicator class, runs in background for minimal code disruption. 5 Modes with some special functions
Dependents: Flasher_HelloWorld
Diff: Flasher.cpp
- Revision:
- 0:5c6eb2d20a5a
- Child:
- 1:e94a73b015cc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Flasher.cpp Sat Feb 19 14:27:21 2011 +0000 @@ -0,0 +1,139 @@ +/*Small library to debug and alert with a single LED +* Copyright (c) 2011 p07gbar +* +* Permission is hereby granted, free of charge, to any person obtaining a copy +* of this software and associated documentation files (the "Software"), to deal +* in the Software without restriction, including without limitation the rights +* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +* copies of the Software, and to permit persons to whom the Software is +* furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in +* all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +* THE SOFTWARE. +* +*/ + +#include "Flasher.h" + +Flasher::Flasher(PinName pin, int startState):_led(pin) +{ + state = checkState(startState); + flashTimes[0] = 10; + flashTimes[1] = 10; + flashTimes[2] = 2; + flashTimes[3] = 1; + flashTimes[4] = 0.3; + flashbase.attach(this, &Flasher::tick, flashTimes[state]); + active = true; + tick(); +} + +void Flasher::updateFlash(int statein) +{ + state = checkState(statein); + flashbase.attach(this, &Flasher::tick, flashTimes[state]); + tick(); +} + +int Flasher::getState() +{ + return state; +} + +void Flasher::pauseFor(float time) +{ + active = false; + forTime = time; + returntoState = state; + flashbase.detach(); + forbase.attach(this, &Flasher::timeout, time); +} + +void Flasher::onFor(float time,int newState, int returnState = 0) +{ + active = true; + state = checkState(newState); + returntoState = checkState(returnState); + flashbase.attach(this, &Flasher::tick, flashTimes[state]); + forTime = time; + forbase.attach(this, &Flasher::timeout, time); +} + +void Flasher::pause() +{ + active = false; + _led = 0; + flashbase.detach(); + forbase.detach(); +} + +void Flasher::resume() +{ + active = true; + flashbase.attach(this, &Flasher::tick, flashTimes[state]); +} + +void Flasher::setFlashTime(int statein, float newTime) +{ + flashTimes[checkState(statein)] = newTime; +} + +float Flasher::getFlashTime(int statein) +{ + float toRet = flashTimes[checkState(statein)]; + return toRet; +} + +void Flasher::tick() +{ + if(active) + { + switch(state) + { + case 0: + _led = 0; + break; + case 1: + _led = 1; + break; + case 2: + case 3: + case 4: + _led = !_led; + break; + default: + _led = 0; + break; + } + } +} + +void Flasher::timeout() +{ + active = true; + state = returntoState; + forTime = 0; + flashbase.attach(this, &Flasher::tick, flashTimes[state]); + forbase.detach(); + tick(); +} + +int Flasher::checkState(int statein) +{ + if(statein > NUMSTATES || statein < 0) + { + return 0; + } + else + { + return statein; + } +}