A CircuitPython helper for encoding/decoding MIDI packets over a MIDI or UART connection.
Project description
Introduction
A CircuitPython helper for encoding/decoding MIDI packets over a MIDI or UART connection.
Dependencies
This driver depends on:
Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.
Installing from PyPI
On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:
pip3 install adafruit-circuitpython-midiTo install system-wide (this may be required in some cases):
sudo pip3 install adafruit-circuitpython-midiTo install in a virtual environment in your current project:
mkdir project-name && cd project-name
python3 -m venv .venv
source .venv/bin/activate
pip3 install adafruit-circuitpython-midiUsage Example
import time
import random
import usb_midi
import adafruit_midi
from adafruit_midi.note_on import NoteOn
from adafruit_midi.note_off import NoteOff
from adafruit_midi.pitch_bend import PitchBend
from adafruit_midi.control_change import ControlChange
midi = adafruit_midi.MIDI(midi_out=usb_midi.ports[1], out_channel=0)
print("Midi test")
print("Default output MIDI channel:", midi.out_channel + 1)
while True:
midi.send(NoteOn(44, 120)) # G sharp 2nd octave
time.sleep(0.25)
a_pitch_bend = PitchBend(random.randint(0, 16383))
midi.send(a_pitch_bend)
time.sleep(0.25)
midi.send([NoteOff("G#2", 120),
ControlChange(3, 44)])
time.sleep(0.5)Documentation
API documentation for this library can be found on Read the Docs.
For information on building library documentation, please check out this guide.
Contributing
Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.
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