128 lines
5 KiB
Python
128 lines
5 KiB
Python
# SPDX-FileCopyrightText: 2022 Liz Clark for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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import board
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import busio
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import simpleio
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import adafruit_vl53l4cd
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import adafruit_midi
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from adafruit_midi.note_off import NoteOff
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from adafruit_midi.note_on import NoteOn
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from adafruit_midi.program_change import ProgramChange
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# uncomment if using volume CC message in the loop
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# from adafruit_midi.control_change import ControlChange
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from adafruit_midi.pitch_bend import PitchBend
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import adafruit_tca9548a
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# Create I2C bus as normal
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i2c = board.I2C() # uses board.SCL and board.SDA
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# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
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# Create the TCA9548A object and give it the I2C bus
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tca = adafruit_tca9548a.TCA9548A(i2c)
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tof_0 = adafruit_vl53l4cd.VL53L4CD(tca[0])
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tof_1 = adafruit_vl53l4cd.VL53L4CD(tca[1])
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tof_2 = adafruit_vl53l4cd.VL53L4CD(tca[2])
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tof_3 = adafruit_vl53l4cd.VL53L4CD(tca[3])
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tof_4 = adafruit_vl53l4cd.VL53L4CD(tca[4])
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tof_5 = adafruit_vl53l4cd.VL53L4CD(tca[5])
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tof_6 = adafruit_vl53l4cd.VL53L4CD(tca[6])
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tof_7 = adafruit_vl53l4cd.VL53L4CD(tca[7])
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flights = [tof_0, tof_1, tof_2, tof_3, tof_4, tof_5, tof_6, tof_7]
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for flight in flights:
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flight.inter_measurement = 0
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flight.timing_budget = 50
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flight.start_ranging()
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# midi uart setup for music maker featherwing
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uart = busio.UART(board.TX, board.RX, baudrate=31250)
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midi_in_channel = 1
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midi_out_channel = 1
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# midi setup
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# UART is setup as the input
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midi = adafruit_midi.MIDI(
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midi_in=uart,
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midi_out=uart,
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in_channel=(midi_in_channel - 1),
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out_channel=(midi_out_channel - 1),
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debug=False,
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)
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flight_height = 150
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pluck_0 = False
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pluck_1 = False
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pluck_2 = False
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pluck_3 = False
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pluck_4 = False
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pluck_5 = False
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pluck_6 = False
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pluck_7 = False
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plucks = [pluck_0, pluck_1, pluck_2, pluck_3, pluck_4, pluck_5, pluck_6, pluck_7]
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low_notes = [28, 32, 35, 36, 40, 43, 47, 48]
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high_notes = [52, 55, 59, 60, 64, 67, 71, 72]
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heights = [0, 0, 0, 0, 0, 0, 0]
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bend_sense = 5
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vel = 120
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while True:
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for f in range(8):
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while not flights[f].data_ready:
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pass
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flights[f].clear_interrupt()
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if flights[f].distance != 0.0:
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if int(flights[f].distance) < flight_height:
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if int(flights[f].distance) < 30 and not plucks[f]:
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bass = ProgramChange(81)
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vel = round(simpleio.map_range(flights[f].distance, 0, 30, 127, 75))
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bend_sense = 5
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velocity = int(vel)
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# send midi message
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midi.send([bass, NoteOn(low_notes[f], velocity)])
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plucks[f] = True
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heights[f] = int(flights[f].distance)
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if (int(flights[f].distance) > 40) and not plucks[f]:
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lead = ProgramChange(54)
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vel = round(simpleio.map_range(flights[f].distance, 30, flight_height, 127, 75))
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bend_sense = 10
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velocity = int(vel)
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# send midi message
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midi.send([lead, NoteOn(high_notes[f], velocity)])
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plucks[f] = True
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heights[f] = int(flights[f].distance)
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# this section affects pitchbend OR volume control_change while you are playing a note
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# comment/uncomment lines to change effect affected
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if abs(int(flights[f].distance) - heights[f]) > bend_sense and plucks[f]:
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bend_up = round(simpleio.map_range(flights[f].distance, heights[f], flight_height,
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8192, 16383))
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bend_down = round(simpleio.map_range(flights[f].distance, heights[f], 0,
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8192, 0))
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'''vol_up = round(simpleio.map_range(flights[f].distance, heights[f], flight_height,
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velocity, 0))
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vol_down = round(simpleio.map_range(flights[f].distance, heights[f], 0,
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velocity, 127))'''
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if int(flights[f].distance) > heights[f]:
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pitchUp = PitchBend(int(bend_up))
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midi.send(pitchUp)
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# volume = ControlChange(7, int(vol_down))
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# midi.send(volume)
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print("bend up!")
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if int(flights[f].distance) < heights[f]:
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pitchDown = PitchBend(int(bend_down))
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midi.send(pitchDown)
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# volume = ControlChange(7, int(vol_up))
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# midi.send(volume)
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print("bend down!")
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# send note off message
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if int(flights[f].distance) > flight_height and plucks[f]:
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plucks[f] = False
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midi.send(NoteOff(low_notes[f], velocity))
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midi.send(NoteOff(high_notes[f], velocity))
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