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tkojitu / HowToUseClassInArduino.cxx
Created February 19, 2012 01:57
How to use class in Arduino
class Control {
public:
int pin;
Control(int pin) : pin(pin) {}
~Control() {}
void pinMode(int mode) {
::pinMode(pin, mode);
}
@tkojitu
tkojitu / HowToUseStructInArduino.cxx
Created February 19, 2012 01:46
How to use struct in Arduino
struct Control {
int pin;
};
void ctrlPinMode(void* control, int mode) {
Control* ctrl = (Control*)control;
pinMode(ctrl->pin, mode);
}
int ctrlDigitalRead(void* control) {
@tkojitu
tkojitu / metronome.rb
Created February 8, 2012 11:31
metronome in jruby
include Java
import javax.sound.midi.MetaEventListener
import javax.sound.midi.MidiEvent
import javax.sound.midi.MidiSystem
import javax.sound.midi.Sequence
import javax.sound.midi.ShortMessage
class Metronome
include MetaEventListener
@tkojitu
tkojitu / Metronome.java
Created February 6, 2012 12:35
Metronome with javax.sound.midi.Sequencer
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.sound.midi.*;
public class Metronome implements MetaEventListener {
private Sequencer sequencer;
private int bpm;
public void start(int bpm) {
try {
@tkojitu
tkojitu / NomaoiController.java
Created January 5, 2012 12:14
Connect MidiIn to Synthezier.
package nomaoi;
import java.awt.Dimension;
import javax.sound.midi.*;
import javax.swing.*;
public class NomaoiController implements Runnable {
MidiDevice midiIn;
Synthesizer synth;
@tkojitu
tkojitu / PlaySquareWave.rb
Created December 24, 2011 14:51
play square wave from JRuby.
include Java
java_import javax.sound.sampled.AudioFormat
java_import javax.sound.sampled.DataLine
java_import javax.sound.sampled.SourceDataLine
java_import javax.sound.sampled.AudioSystem
SAMPLE_RATE = 44100
audio_format = AudioFormat.new(SAMPLE_RATE, 8, 1, true, true)
info = DataLine::Info.new(SourceDataLine.java_class, audio_format)