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Contents
class Midi < ArduinoPlugin
# reference
# To send MIDI, attach a MIDI out jack (female DIN-5) to Arduino.
# DIN-5 pinout is: _____
# pin 2 - Gnd / \
# pin 4 - 220 ohm resistor to +5V | 3 1 | Female MIDI jack
# pin 5 - Arduino D1 (TX) | 5 4 |
# all other pins - unconnected \__2__/
# Adapted from Tom Igoe's work at:
# http://itp.nyu.edu/physcomp/Labs/MIDIOutput
# And Tod E. Kurt <tod@todbot.com
# http://todbot.com/
#
# Created 25 October 2008
# copyleft 2008 jdbarnhart
# http://jdbarnhart.com/
void note_on(char cmd, int data1, char data2) {
Serial.print(cmd, BYTE);
Serial.print(data1, BYTE);
Serial.print(data2, BYTE);
}
void note_on(int channel, int note, int velocity) {
midi_msg( (0x90 | (channel)), note, velocity);
}
void note_on(long int& channel, long int& note, long int& velocity) {
midi_msg( (0x90 | (channel)), note, velocity);
}
void note_off(long int& channel, long int& note, long int& velocity) {
midi_msg( (0x90 | (channel)), note, velocity);
}
void note_off(byte channel, byte note, byte velocity) {
midi_msg( (0x90 | (channel)), note, velocity);
}
void play_note(long int& channel, long int& note, long int& velocity) {
midi_msg( (0x90 | (channel)), note, velocity);
delay(100);
midi_msg( (0x90 | (channel)), note, 0);
}
void midi_msg(byte cmd, byte data1, byte data2) {
digitalWrite(led(), 1); // indicate we're sending MIDI data
Serial.print(cmd, BYTE);
Serial.print(data1, BYTE);
Serial.print(data2, BYTE);
digitalWrite(led(), 0); // indicate we're sending MIDI data
}
end
Version data entries
21 entries across 21 versions & 4 rubygems