Diff: SimpleButtonDecoder.cpp

Revision:

2:ae7a31a3c618

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SimpleButtonDecoder.cpp	Fri Aug 30 01:37:49 2013 +0000
@@ -0,0 +1,73 @@
+#include "SimpleButtonDecoder.h"
+
+
+SimpleButtonDecoder::SimpleButtonDecoder(AnalogInFiltered *analogIn, int value, short deBounceRuns)
+{
+    _analogIn = analogIn;
+    _value = value;
+    _isChanged = false;
+    _deBounceRuns = deBounceRuns;
+    _debounceCount = 1;
+
+    _pulseUp=false;
+    _status=false;
+}
+
+SimpleButtonDecoder::~SimpleButtonDecoder()
+{
+}
+
+void SimpleButtonDecoder::process()
+{
+    _pulseUp=false;
+    _pulseDown=false;
+
+    // Detect if the analog in is within the value range + fuzzy factor
+    if (abs((_analogIn->getData() + 32768) - _value) < _analogIn->getFuzzyFactor()) {
+        // When the analog values iw within the fuzzy factor for XX debounce runs, consider this now a up flank to true state
+        if (_debounceCount == _deBounceRuns) {
+            _pulseUp=!_status;
+            _status=true;
+            _debounceCount++;
+            return;
+        }
+        // If the _debounceCount is bigger then deboucneruns, consider this a on state (passed the up flanc)
+        if (_debounceCount > _deBounceRuns) {
+            return;
+        }
+        _debounceCount++;
+    } else {
+        // If debounce count is at 1, then consider this a down flanc back to false
+        if (_debounceCount == 1) { 
+            _debounceCount--;
+            _pulseDown=_status;
+            _status=false;
+            return;
+        }
+        // if the debounce is below <1 then we have a stable state again.
+        if (_debounceCount < 1) {
+            return;
+        }
+        _debounceCount--;
+    }
+}
+
+bool SimpleButtonDecoder::getStatus()
+{
+    return _status;
+}
+
+bool SimpleButtonDecoder::getIsChanged()
+{
+    return _pulseUp || _pulseDown;
+}
+
+bool SimpleButtonDecoder::getIsPressed()
+{
+    return _pulseUp;
+}
+
+bool SimpleButtonDecoder::getIsReleased()
+{
+    return _pulseUp;
+}
\ No newline at end of file