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Update ble_midi_simpletest.py

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* Wait until the BLE connection is paired before sending messages
* Increase the time delay between pairing and sending
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spridget 2025-08-19 19:08:22 -04:00 committed by GitHub
parent 948cb8921e
commit 711160a38f
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1 changed files with 23 additions and 17 deletions
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examples/ble_midi_simpletest.py
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@ -37,23 +37,29 @@ while True:
print("Waiting for connection")
while not ble.connected:
pass
print("Connected")
# Sleep briefly so client can get ready and send setup
# writes to the MIDIService. 0.5secs was insufficient.
time.sleep(1.0)
# Send one unique NoteOn/Off at the beginning to check that the
# delay is sufficient.
midi.send(NoteOn(20, 99))
midi.send(NoteOff(20, 99))
while ble.connected:
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)
# note how a list of messages can be used
midi.send([NoteOff("G#2", 120), ControlChange(3, 44)])
time.sleep(0.5)
print("Connected; waiting for pairing")
for connection in ble.connections:
while not connection.paired:
if not connection.connected:
break
if connection.paired:
print("Paired; sending MIDI messages")
# Sleep briefly so client can get ready and send setup
# writes to the MIDIService. 0.5secs was insufficient.
time.sleep(3.0)
# Send one unique NoteOn/Off at the beginning to check that the
# delay is sufficient.
midi.send(NoteOn(20, 99))
midi.send(NoteOff(20, 99))
while ble.connected:
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)
# note how a list of messages can be used
midi.send([NoteOff("G#2", 120), ControlChange(3, 44)])
time.sleep(0.5)
print("Disconnected")
print()
ble.start_advertising(advertisement)