From LinkSprite Playgound
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| − | <syntaxhighlight lang="c">
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| − | /*
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| − | Button
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| − | Turns on and off a T010111 LED Module connected to O0 (digital
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| − | pin 11), when pressing a T000180 pushbutton attached to I0 (analog pin 0).
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| − | created 2005
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| − | by DojoDave <http://www.0j0.org>
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| − | modified 17 Jun 2009
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| − | by Tom Igoe
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| − | modified 7 dec 2010
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| − | by Davide Gomba
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| − | This example code is in the public domain.
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| − |
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| − | based on http://www.arduino.cc/en/Tutorial/Button
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| − | */
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| − |
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| − | #define O0 11
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| − | #define O1 10
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| − | #define O2 9
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| − | #define O3 6
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| − | #define O4 5
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| − | #define O5 3
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| − | #define I0 A0
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| − | #define I1 A1
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| − | #define I2 A2
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| − | #define I3 A3
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| − | #define I4 A4
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| − | #define I5 A5
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| − |
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| − | // constants won't change. They're used here to
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| − | // set pin numbers:
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| − | const int buttonPin = I0; // the number of the pushbutton pin
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| − | const int ledPin = O0; // the number of the LED pin
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| − |
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| − | // variables will change:
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| − | int buttonState = 0; // variable for reading the pushbutton status
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| − |
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| − | void setup() {
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| − | // initialize the LED pin as an output:
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| − | pinMode(ledPin, OUTPUT);
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| − | // initialize the pushbutton pin as an input:
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| − | pinMode(buttonPin, INPUT);
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| − | }
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| − |
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| − | void loop(){
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| − | // read the state of the pushbutton value:
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| − | buttonState = digitalRead(buttonPin);
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| − |
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| − | // check if the pushbutton is pressed.
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| − | // if it is, the buttonState is HIGH:
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| − | if (buttonState == HIGH) {
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| − | // turn LED on:
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| − | digitalWrite(ledPin, HIGH);
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| − | }
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| − | else {
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| − | // turn LED off:
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| − | digitalWrite(ledPin, LOW);
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| − | }
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| − | }
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| − |
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| − |
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| − | </syntaxhighlight>
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Revision as of 00:54, 24 November 2012
