build/shared/dist/examples/Sensors/ADXL3xx/ADXL3xx.pde

@@ -1,28 +1,39 @@
-// ADXL3xx
-// 
-// Reads an Analog Devices ADXL3xx accelerometer and communicates the
-// acceleration to the computer.  The pins used are designed to be easily
-// compatible with the breakout boards from Sparkfun, available from:
-// http://www.sparkfun.com/commerce/categories.php?c=80
-//
-// http://www.arduino.cc/en/Tutorial/ADXL3xx
 
-// Breakout Board Pinout
-// 0: self test
-// 1: z-axis
-// 2: y-axis
-// 3: x-axis
-// 4: ground
-// 5: vcc
+/*
+ ADXL3xx
+ 
+ Reads an Analog Devices ADXL3xx accelerometer and communicates the
+ acceleration to the computer.  The pins used are designed to be easily
+ compatible with the breakout boards from Sparkfun, available from:
+ http://www.sparkfun.com/commerce/categories.php?c=80
 
-int groundpin = 18;             // analog input pin 4
-int powerpin = 19;              // analog input pin 5
-int xpin = 3;                   // x-axis of the accelerometer
-int ypin = 2;                   // y-axis
-int zpin = 1;                   // z-axis (only on 3-axis models)
+ http://www.arduino.cc/en/Tutorial/ADXL3xx
+
+ The circuit:
+ analog 0: accelerometer self test
+ analog 1: z-axis
+ analog 2: y-axis
+ analog 3: x-axis
+ analog 4: ground
+ analog 5: vcc
+ 
+ created 2 Jul 2008
+ by David A. Mellis
+ modified 26 Jun 2009
+ by Tom Igoe 
+
+*/
+
+// these constants describe the pins. They won't change:
+const int groundPin = 18;             // analog input pin 4 -- ground
+const int powerPin = 19;              // analog input pin 5 -- voltage
+const int xPin = 3;                   // x-axis of the accelerometer
+const int yPin = 2;                   // y-axis
+const int zPin = 1;                   // z-axis (only on 3-axis models)
 
 void setup()
 {
+  // initialize the serial communications:
   Serial.begin(9600);
   
   // Provide ground and power by using the analog inputs as normal
@@ -37,11 +48,15 @@ void setup()
 
 void loop()
 {
+  // print the sensor values:
   Serial.print(analogRead(xpin));
-  Serial.print(" ");
+  // print a tab between values:
+  Serial.print("\t");
   Serial.print(analogRead(ypin));
-  Serial.print(" ");
+  // print a tab between values:
+  Serial.print("\t");
   Serial.print(analogRead(zpin));
   Serial.println();
-  delay(1000);
+  // delay before next reading:
+  delay(100);
 }