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;
+    }
+}