def test_midi_in_corrupt_stream():
# A port with a valid Channel Pressure message, followed by a corrupted one, followed by
# another valid one.
port = PortStub(
iter([
smolmidi.CHANNEL_PRESSURE,
0x64,
smolmidi.CHANNEL_PRESSURE,
0x81, # 0x81 is a status byte, not a data byte
smolmidi.CHANNEL_PRESSURE,
0x65,
]))
midi_in = smolmidi.MidiIn(port)
msg1 = midi_in.receive()
assert msg1.type == smolmidi.CHANNEL_PRESSURE
assert msg1.data[0] == 0x64
msg2 = midi_in.receive()
assert msg2 is None
msg3 = midi_in.receive()
assert msg3.type == smolmidi.CHANNEL_PRESSURE
assert msg3.data[0] == 0x65
assert midi_in.error_count == 1
def test_midi_in_empty():
port = PortStub(iter([]))
midi_in = smolmidi.MidiIn(port)
msg = midi_in.receive()
assert msg is None
def test_midi_in_invalid_data():
# A port with non-status leading bytes
port = PortStub(iter([0x01]))
midi_in = smolmidi.MidiIn(port)
msg = midi_in.receive()
assert msg is None
assert midi_in.error_count == 1
def test_midi_in_no_data():
# A port with a midi tick.
port = PortStub(iter([smolmidi.TICK]))
midi_in = smolmidi.MidiIn(port)
msg = midi_in.receive()
assert msg.type == smolmidi.TICK
assert msg.channel == None
assert bytes(msg) == bytes([smolmidi.TICK])
def test_midi_in_one_data_byte():
# A port with a program change message.
port = PortStub(iter([smolmidi.PROGRAM_CHANGE | 0x02, 0x42]))
midi_in = smolmidi.MidiIn(port)
msg = midi_in.receive()
assert msg.type == smolmidi.PROGRAM_CHANGE
assert msg.channel == 0x02
assert msg.data[0] == 0x42
assert bytes(msg) == bytes([smolmidi.PROGRAM_CHANGE | 0x02, 0x42])
def test_midi_in_two_data_bytes():
# A port with a Note On message.
port = PortStub(iter([smolmidi.NOTE_ON | 0x01, 0x64, 0x42]))
midi_in = smolmidi.MidiIn(port)
msg = midi_in.receive()
assert msg.type == smolmidi.NOTE_ON
assert msg.channel == 0x01
assert msg.data[0] == 0x64
assert msg.data[1] == 0x42
def test_midi_in_sysex_receive():
port = PortStub(
iter([
smolmidi.SYSEX, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, smolmidi.SYSEX_END
]))
midi_in = smolmidi.MidiIn(port)
msg = midi_in.receive()
assert msg.type == smolmidi.SYSEX
sysex_msg, truncated = midi_in.receive_sysex(128)
assert sysex_msg == bytearray([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
assert not truncated
def test_midi_in_running_status():
# A port with a Note On message followed by another with running status.
port = PortStub(iter([smolmidi.NOTE_ON | 0x01, 0x64, 0x42, 0x65, 0x43]))
midi_in = smolmidi.MidiIn(port, enable_running_status=True)
msg = midi_in.receive()
assert msg.type == smolmidi.NOTE_ON
assert msg.channel == 0x01
assert msg.data[0] == 0x64
assert msg.data[1] == 0x42
msg = midi_in.receive()
assert msg.type == smolmidi.NOTE_ON
assert msg.channel == 0x01
assert msg.data[0] == 0x65
assert msg.data[1] == 0x43
def test_midi_sysex_discard():
port = PortStub(
iter([
smolmidi.SYSEX, 1, smolmidi.SYSEX_END, smolmidi.NOTE_ON | 0x01,
0x64, 0x42
]))
midi_in = smolmidi.MidiIn(port)
msg = midi_in.receive()
assert msg.type == smolmidi.SYSEX
msg = midi_in.receive()
assert msg.type == smolmidi.NOTE_ON
assert msg.channel == 0x01
assert msg.data[0] == 0x64
assert msg.data[1] == 0x42
def __init__(self):
self.outputs = Outputs()
self._midi_in = _midi_ext.DeduplicatingMidiIn(
smolmidi.MidiIn(usb_midi.ports[0]))
self._clocks = 0
self._last_clock = time.monotonic_ns()
def __init__(self):
self.outputs = Outputs()
self._midi_in = _midi_ext.DeduplicatingMidiIn(
smolmidi.MidiIn(usb_midi.ports[0])
)
self._clocks = 0
""" Code that runs on Sol to allow the setup scripts to set voltage outputs for calibration. """
import struct
import usb_midi
import winterbloom_sol.sol
import winterbloom_smolmidi as smolmidi
SYSEX_MARKER = 0x78
outputs = winterbloom_sol.sol.Outputs()
midi_in = smolmidi.MidiIn(usb_midi.ports[0])
while True:
msg = midi_in.receive()
if not msg:
continue
if msg.type != smolmidi.SYSEX:
continue
msg, _ = midi_in.receive_sysex(64)
if not msg:
continue
if msg[0] != SYSEX_MARKER:
print("Invalid marker")
continue