64 lines
1.2 KiB
Java
64 lines
1.2 KiB
Java
<h2>Strings</h2>
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<pre><code>"foo \"bar\" baz"
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'foo \'bar\' baz'
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"Multi-line strings ending with a \
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are supported too."</code></pre>
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<h2>Macro statements</h2>
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<pre><code>#include <Bridge.h>
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#define SOME_PIN 11
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</code></pre>
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<h2>Booleans</h2>
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<pre><code>true;
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false;</code></pre>
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<h2>Operators</h2>
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<pre><code>a < b;
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c && d;</code></pre>
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<h2>Full example</h2>
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<pre><code>#include <Bridge.h>
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// pin of the piezo speaker
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int piezo = 8;
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/**
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* setups
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* runs once before everyhing else
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*/
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void setup() {
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pinMode(piezo, OUTPUT);
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}
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/**
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* loop
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* this will run forever and do what we want
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*/
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void loop() {
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playMelody(1);
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delay(1000);
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}
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/**
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* playMelody
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* will play a simple melody on piezo speaker
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*/
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void playMelody(int times) {
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int melody[] = { 4699, 4699, 3520, 4699 };
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int duration = 6;
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for( int t = 0; t < times; t++ ) {
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for( int i = 0; i < 4; i++ ) {
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// pass tone to selected pin
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tone(piezoPin, melody[i], 1000/duration);
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// get a bit of time between the tones
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delay(1000 / duration * 1.30 + 80);
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// and don't forget to switch of the tone afterwards
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noTone(piezoPin);
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}
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}
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}</code></pre>
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