added libraries and clean up

source/libraries/INPUT_74HC4051/INPUT_74HC4051.cpp

@@ -0,0 +1,67 @@
+#include "Arduino.h"
+#include "INPUT_74HC4051.h"
+
+void INPUT_74HC4051::begin(uint8_t analog, uint8_t s0, uint8_t s1, uint8_t s2,CallbackFunction cbF) {
+	_analog = analog;
+	
+	_s0 = s0;
+	_s1 = s1;
+	_s2 = s2;
+	
+	pinMode(_analog,INPUT);
+	
+	pinMode(_s0,OUTPUT);
+	pinMode(_s1,OUTPUT);
+	pinMode(_s2,OUTPUT);
+	
+	_callbackFunction = cbF;
+	
+	//init start values
+	uint8_t pin,r0,r1,r2;
+	for (pin=0; pin<8; pin++) {
+		r0 = bitRead(pin,0);     
+		r1 = bitRead(pin,1);
+		r2 = bitRead(pin,2);   
+		digitalWrite(_s0, r0);
+		digitalWrite(_s1, r1);
+		digitalWrite(_s2, r2);
+		//delayMicroseconds(10);
+		_value[pin] = analogRead(_analog);
+	}  	
+}
+
+void INPUT_74HC4051::loop() {
+	uint8_t pin,r0,r1,r2;
+	int value;
+	for (pin=0; pin<8; pin++) {
+		r0 = bitRead(pin,0);     
+		r1 = bitRead(pin,1);
+		r2 = bitRead(pin,2);   
+		digitalWrite(_s0, r0);
+		digitalWrite(_s1, r1);
+		digitalWrite(_s2, r2);
+		//delayMicroseconds(10);
+		value = analogRead(_analog);
+		if (_value[pin] < value - INPUT_74HC4051_TOLERANCE || _value[pin] > value + INPUT_74HC4051_TOLERANCE) {
+			_value[pin] = value;
+			(*_callbackFunction)(_analog,pin,value);
+		}
+	}  	
+}
+
+int INPUT_74HC4051::getSpecificValue(uint8_t pin) {
+	if (pin >= 8)
+		return -1;
+	uint8_t r0,r1,r2;
+	r0 = bitRead(pin,0);     
+	r1 = bitRead(pin,1);
+	r2 = bitRead(pin,2);   
+	digitalWrite(_s0, r0);
+	digitalWrite(_s1, r1);
+	digitalWrite(_s2, r2);
+	//delayMicroseconds(10);
+	int value = analogRead(_analog);
+	_value[pin] = value;
+	return value;
+}
+

source/libraries/INPUT_74HC4051/INPUT_74HC4051.h

@@ -0,0 +1,29 @@
+/*
+  INPUT_4051.h - Library for reading inputs from 4051 multiplexer
+*/
+#ifndef INPUT_74HC4051_h
+#define INPUT_74HC4051_h
+
+#define INPUT_74HC4051_TOLERANCE 1
+
+#if !defined(CallbackFunction)
+typedef void (*CallbackFunction)(int,int,int);
+#endif
+
+class INPUT_74HC4051
+{
+	public:
+		void begin(uint8_t analog, uint8_t s0, uint8_t s1, uint8_t s2,CallbackFunction cbF);
+		void loop(void);
+		int getSpecificValue(uint8_t pin);
+	private:
+		uint8_t _analog;
+		uint8_t _s0;
+		uint8_t _s1;
+		uint8_t _s2;
+		int _value[8];
+		CallbackFunction _callbackFunction;
+};
+
+
+#endif