Updated documentation.

README.md

@@ -76,82 +76,82 @@ boolean value = sensor->isHigh();
 boolean value = sensor->isLow();
 ```
 
-### [Map Sensor](/src/MapSensor.h)
+### [Average Sensor](/src/AverageSensor.h)
 
-Reads a signal from a origin sensor, maps the signal and return it.
-Re-maps the signal from one range to another.
-That is, a signal of fromLow would get mapped to toLow,
-a signal of fromHigh to toHigh, signals in-between to signals in-between, etc.
+Reads a signal from a origin sensor,
+averages the signal and return it.
 
 ```cpp
 #include <Sensor.h>
 #include <AnalogSensor.h>
-#include <MapSensor.h>
+#include <AverageSensor.h>
 
 Sensor* origin = new AnalogSensor(ANALOG_PIN);
 
 /**
-    FROM_LOW - the lower bound of the value’s current range;
-    FROM_HIGH - the upper bound of the value’s current range;
-    TO_LOW - the lower bound of the value’s target range;
-    TO_HIGH - the upper bound of the value’s target range.
+    COUNTER - number of readings;
+    DELAY_TIME - delay time between readings.
 */
-Sensor* sensor = new MapSensor(
-    origin,
-    FROM_LOW, FROM_HIGH,
-    TO_LOW, TO_HIGH
-);
+Sensor* sensor = new AverageSensor(origin, COUNTER, DELAY_TIME);
 
 /**
-    Returns the mapped signal value.
+    Returns the average signal value.
 */
 int value = sensor->read();
 ```
 
-### [Average Sensor](/src/AverageSensor.h)
+### [Smooth Sensor](/src/SmoothSensor.h)
 
 Reads a signal from a origin sensor,
-averages the signal and return it.
+smoothes (moving average, rolling average or running average)
+the signal and return it.
 
 ```cpp
 #include <Sensor.h>
 #include <AnalogSensor.h>
-#include <AverageSensor.h>
+#include <SmoothSensor.h>
 
 Sensor* origin = new AnalogSensor(ANALOG_PIN);
 
 /**
-    COUNTER - number of readings;
-    DELAY_TIME - delay time between readings.
+    SMOOTHING_FACTOR - smoothing factor of readings (0 = not smooth).
 */
-Sensor* sensor = new AverageSensor(origin, COUNTER, DELAY_TIME);
+Sensor* sensor = new SmoothSensor(origin, SMOOTHING_FACTOR);
 
 /**
-    Returns the average signal value.
+    Return the average signal value.
 */
 int value = sensor->read();
 ```
 
-### [SmoothSensor](/src/SmoothSensor.h)
+### [Map Sensor](/src/MapSensor.h)
 
-Reads a signal from a origin sensor,
-smoothes (moving average, rolling average or running average)
-the signal and return it.
+Reads a signal from a origin sensor, maps the signal and return it.
+Re-maps the signal from one range to another.
+That is, a signal of fromLow would get mapped to toLow,
+a signal of fromHigh to toHigh, signals in-between to signals in-between, etc.
 
 ```cpp
 #include <Sensor.h>
 #include <AnalogSensor.h>
-#include <SmoothSensor.h>
+#include <MapSensor.h>
 
 Sensor* origin = new AnalogSensor(ANALOG_PIN);
 
 /**
-    SMOOTHING_FACTOR - smoothing factor of readings (0 = not smooth).
+    FROM_LOW - the lower bound of the value’s current range;
+    FROM_HIGH - the upper bound of the value’s current range;
+    TO_LOW - the lower bound of the value’s target range;
+    TO_HIGH - the upper bound of the value’s target range.
 */
-Sensor* sensor = new SmoothSensor(origin, SMOOTHING_FACTOR);
+Sensor* sensor = new MapSensor(
+    origin,
+    FROM_LOW, FROM_HIGH,
+    TO_LOW, TO_HIGH
+);
 
 /**
-    Return the average signal value.
+    Returns the mapped signal value.
 */
 int value = sensor->read();
 ```