arduino-0018-linux-x64

arduino-0018-linux-x64/examples/Analog/AnalogWriteMega/AnalogWriteMega.pde

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+/*
+  Mega analogWrite() test
+ 	
+  This sketch fades LEDs up and down one at a time on digital pins 2 through 13.  
+  This sketch was written for the Arduino Mega, and will not work on previous boards.
+ 	
+  The circuit:
+  * LEDs attached from pins 2 through 13 to ground.
+
+  created 8 Feb 2009
+  by Tom Igoe
+ */
+// These constants won't change.  They're used to give names
+// to the pins used:
+const int lowestPin = 2;
+const int highestPin = 13;
+
+
+void setup() {
+  // set pins 2 through 13 as outputs:
+  for (int thisPin =lowestPin; thisPin <= highestPin; thisPin++) { 
+    pinMode(thisPin, OUTPUT); 
+  }
+}
+
+void loop() {
+  // iterate over the pins:
+  for (int thisPin =lowestPin; thisPin <= highestPin; thisPin++) { 
+    // fade the LED on thisPin from off to brightest:
+    for (int brightness = 0; brightness < 255; brightness++) {
+      analogWrite(thisPin, brightness);
+      delay(2);
+    } 
+    // fade the LED on thisPin from brithstest to off:
+    for (int brightness = 255; brightness >= 0; brightness--) {
+      analogWrite(thisPin, brightness);
+      delay(2);
+    } 
+    // pause between LEDs:
+    delay(100);
+  }
+}