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#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2013 Ole Martin Bjorndalen <ombdalen@gmail.com>
#
# SPDX-License-Identifier: MIT
"""
Send random notes to the output port.
"""
import random
import sys
import time
import mido
from mido import Message
if len(sys.argv) > 1:
portname = sys.argv[1]
else:
portname = None # Use default port
# A pentatonic scale
notes = [60, 62, 64, 67, 69, 72]
try:
with mido.open_output(portname, autoreset=True) as port:
print(f'Using {port}')
while True:
note = random.choice(notes)
on = Message('note_on', note=note)
print(f'Sending {on}')
port.send(on)
time.sleep(0.05)
off = Message('note_off', note=note)
print(f'Sending {off}')
port.send(off)
time.sleep(0.1)
except KeyboardInterrupt:
pass
print()
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