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build/shared/examples/03.Analog/Smoothing/Smoothing.ino

@@ -3,9 +3,9 @@
   Smoothing
 
   Reads repeatedly from an analog input, calculating a running average
-  and printing it to the computer.  Keeps ten readings in an array and 
+  and printing it to the computer.  Keeps ten readings in an array and
   continually averages them.
-  
+
   The circuit:
     * Analog sensor (potentiometer will do) attached to analog input 0
 
@@ -14,7 +14,7 @@
   modified 9 Apr 2012
   by Tom Igoe
   http://www.arduino.cc/en/Tutorial/Smoothing
-  
+
   This example code is in the public domain.
 
 
@@ -37,32 +37,32 @@ int inputPin = A0;
 void setup()
 {
   // initialize serial communication with computer:
-  Serial.begin(9600);                   
-  // initialize all the readings to 0: 
+  Serial.begin(9600);
+  // initialize all the readings to 0:
   for (int thisReading = 0; thisReading < numReadings; thisReading++)
-    readings[thisReading] = 0;          
+    readings[thisReading] = 0;
 }
 
 void loop() {
   // subtract the last reading:
-  total= total - readings[index];         
-  // read from the sensor:  
-  readings[index] = analogRead(inputPin); 
+  total = total - readings[index];
+  // read from the sensor:
+  readings[index] = analogRead(inputPin);
   // add the reading to the total:
-  total= total + readings[index];       
-  // advance to the next position in the array:  
-  index = index + 1;                    
+  total = total + readings[index];
+  // advance to the next position in the array:
+  index = index + 1;
 
   // if we're at the end of the array...
-  if (index >= numReadings)              
-    // ...wrap around to the beginning: 
-    index = 0;                           
+  if (index >= numReadings)
+    // ...wrap around to the beginning:
+    index = 0;
 
   // calculate the average:
-  average = total / numReadings;         
+  average = total / numReadings;
   // send it to the computer as ASCII digits
-  Serial.println(average);   
-  delay(1);        // delay in between reads for stability            
+  Serial.println(average);
+  delay(1);        // delay in between reads for stability
 }