from adafruit_midi.note_off import NoteOff
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("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)
while True:
# method per message interface
midi.note_on(44, 120)
time.sleep(0.25)
midi.pitch_bend(random.randint(0, 16383))
time.sleep(0.25)
midi.note_off(44, 120)
midi.control_change(3, 44)
time.sleep(0.5)
# send message(s) interface
midi.send(NoteOn(44, 120))
time.sleep(0.25)
midi.send(PitchBend(random.randint(0, 16383)))
time.sleep(0.25)
midi.send([NoteOff("G#2", 120), ControlChange(3, 44)])
time.sleep(0.5)
# simple_test
import time
import random
import usb_midi
import adafruit_midi
from adafruit_midi.control_change import ControlChange
from adafruit_midi.note_off import NoteOff
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("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)
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)
if abs(mod_val1 - mod_val2) > 2:
# update mod_val2
mod_val2 = mod_val1
# create integer
modulation = int(mod_val2)
# create CC message
modWheel = ControlChange(1, modulation)
# send CC message
midi.send(modWheel)
# pitchbend down value is updated...
if abs(pitchDown_val1 - pitchDown_val2) > 75:
# update pitchDown_val2
pitchDown_val2 = pitchDown_val1
# create PitchBend message
pitchDown = PitchBend(int(pitchDown_val2))
# send PitchBend message
midi.send(pitchDown)
# pitchbend up value is updated...
if abs(pitchUp_val1 - pitchUp_val2) > 75:
# updated pitchUp_val2
pitchUp_val2 = pitchUp_val1
# create PitchBend message
pitchUp = PitchBend(int(pitchUp_val2))
# send PitchBend message
midi.send(pitchUp)
# sustain value is updated...
if abs(sus_val1 - sus_val2) > 2:
# update sus_val2
# scale from 0 to 127 (maximum cc 7bit value)
new_mod_wheel = abs(scale_acc(ay, acc_nullzone, acc_range, 127))
if (abs(new_mod_wheel - mod_wheel) > min_mod_change
or (new_mod_wheel == 0 and mod_wheel != 0)):
midi.send(ControlChange(midi_cc_modwheel, new_mod_wheel))
mod_wheel = new_mod_wheel
# scale from 0 to +/- 8191 (almost maximum signed 14bit values)
new_pitch_bend_value = (
pb_midpoint -
scale_acc(ax, acc_nullzone, acc_range, pb_midpoint - 1))
if (abs(new_pitch_bend_value - pitch_bend_value) > min_pb_change
or (new_pitch_bend_value == pb_midpoint
and pitch_bend_value != pb_midpoint)):
midi.send(PitchBend(new_pitch_bend_value))
pitch_bend_value = new_pitch_bend_value
# left button increase octave / semitones shift based on switch
# does not currently clear playing notes (buglet)
if button_left.value:
if switch_left.value:
octave += 1
if octave > max_octave:
octave = min_octave
flashLED(pixels, octave)
else:
semitone += 1
if semitone > max_semitone:
semitone = min_semitone
# semitone range is more than number of pixels!
mode = True
while True:
if touch1.value: # CC mode
pixels[0] = 0xBB0000
pixels[1] = 0x0
mode = False
if touch2.value: # pitch bend mode
pixels[0] = 0x0
pixels[1] = 0x0000FF
mode = True
if mode:
prox_cc = int(map_range(apds.proximity, 0, 255, 0, 127))
if last_prox_cc is not prox_cc:
midi.send(ControlChange(CC_NUM, prox_cc))
print("CC is", prox_cc)
last_prox_cc = prox_cc
else:
prox_pitch = int(map_range(apds.proximity, 0, 255, 8192, 16383))
if last_prox_pitch is not prox_pitch:
midi.send(PitchBend(prox_pitch))
print("Pitch bend is", prox_pitch)
last_prox_pitch = prox_pitch
prox_bright = map_range(apds.proximity, 0, 255, 0.01, 1.0)
pixels.brightness = prox_bright
# this converts the pot data into an int
# velocity data is sent with NoteOn message
# NoteOn is sent in the loop
velocity = int(velocity_val2)
# delay to settle MIDI data
time.sleep(0.001)
# reads analog input to send MIDI data for PitchBend
# compares previous picthbend pot value to current value
if abs(pitchbend_val1 - pitchbend_val2) > 75:
# updates previous value to hold current value
pitchbend_val2 = pitchbend_val1
# MIDI data has to be sent as an integer
# this converts the pot data into an int
# int is stored as a PitchBend message
a_pitch_bend = PitchBend(int(pitchbend_val2))
# PitchBend message is sent
midi.send(a_pitch_bend)
# delay to settle MIDI data
time.sleep(0.001)
# checks position of the rotary switch
# determines which notes are mapped to the cherry mx switches
for s in octave_selector:
if not s.value:
o = octave_selector.index(s)
octave = octave_select[o]
# checks if strum select switch is engaged
if not strum_select.value:
# if it is, then:
while True:
for i in range(len(touchs)):
touch = touchs[i]
touch.update()
if touch.rose:
led.value = True
if i == chan_up_index:
print('chan up!')
midi_channel = min(midi_channel + 1, 15)
elif i == chan_down_index:
print('chan down!')
midi_channel = max(midi_channel - 1, 0)
elif i == pitch_up_index:
print('pitch up!')
pitchbend_val = 8192 + 4096
midi.send(PitchBend(pitchbend_val), channel=midi_channel)
elif i == pitch_down_index:
print('pitch down!')
pitchbend_val = 8192 - 4096
midi.send(PitchBend(pitchbend_val), channel=midi_channel)
elif i == mod_up_index:
print('mod up!')
modwheel_val = 127
midi.send(ControlChange(midi_cc_num, modwheel_val),
channel=midi_channel)
elif i == mod_down_index:
print('mod down!')
modwheel_val = 0
midi.send(ControlChange(midi_cc_num, modwheel_val),
channel=midi_channel)
else: