MIDI Piano Keyboard

1#!/usr/bin/env python3
2
3# ~~~ write-to-device.py ~~~
4
5import mido # pip install mido
6import time
7
8if __name__ == "__main__":
9    # get the list of all the MIDI devices conneted
10    input_names = mido.get_input_names()
11
12    # choose the name of the USB MIDI device
13    # you want to send messages to
14    usb_midi_device_name = input_names[1]
15
16    try:
17        # open the selected MIDI output port
18        with mido.open_output(usb_midi_device_name) as port:
19            print(f"Sending MIDI messages to {usb_midi_device_name}")
20
21            # send Note On message
22            note_on = mido.Message('note_on', note=60, velocity=64, channel=0)
23            port.send(note_on)
24            print(f"Note On sent: {note_on}")
25
26            # wait for a short duration
27            time.sleep(1)
28
29            # send Note Off message
30            note_off = mido.Message('note_off', note=60, velocity=64, channel=0)
31            port.send(note_off)
32            print(f"Note Off sent: {note_off}")
33
34    except KeyboardInterrupt:
35        print("Exiting...")

1#!/usr/bin/env python3
2
3# ~~~ read-MIDI-device.py ~~~
4
5import mido
6
7if __name__ == "__main__":
8    # list available MIDI ports
9    input_names = mido.get_input_names()
10    print(">>> available MIDI ports:")
11    print(input_names)
12    
13    # select desired port
14    # i.e. "Arduino MKR WiFi 1010:Arduino MKR WiFi 1010 MIDI 1 20:0"
15    input_port_name = input_names[1]
16    inport = mido.open_input(input_port_name)
17
18    # loop to receive messages
19    while True:
20        for message in inport.iter_pending():
21            print(message)