update midi_simpletest.py from Limor

Author: jepler

examples/midi_simpletest.py

@@ -1,6 +1,5 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
-
 # simple_test
 import time
 import random
@@ -11,23 +10,22 @@
 from adafruit_midi.note_on import NoteOn
 from adafruit_midi.pitch_bend import PitchBend
 
-midi = adafruit_midi.MIDI(midi_out=usb_midi.ports[1], out_channel=0)
-
+print(usb_midi.ports)
+midi = adafruit_midi.MIDI(
+    midi_in=usb_midi.ports[0], in_channel=0, midi_out=usb_midi.ports[1], out_channel=0
+)
 print("Midi test")
-
 # Convert channel numbers at the presentation layer to the ones musicians use
 print("Default output channel:", midi.out_channel + 1)
-print(
-    "Listening on input channel:",
-    midi.in_channel + 1 if midi.in_channel is not None else None,
-)
-
+print("Listening on input channel:", midi.in_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)
     # note how a list of messages can be used
     midi.send([NoteOff("G#2", 120), ControlChange(3, 44)])
     time.sleep(0.5)
+    msg = midi.receive()
+    if msg is not None:
+        print("Received:", msg, "at", time.monotonic())