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updated to use the USB MIDI library

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This commit is contained in:
John Edgar Park 2019-01-24 22:05:51 -08:00
parent e3e4e3460b
commit eeaf709c99
1 changed files with 8 additions and 7 deletions
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13
Grand_Central_MIDI_Knobs/Grand_Central_MIDI_Knobs.py
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@ -4,13 +4,14 @@
# written by John Park with Kattni Rembor and Jan Goolsbey for range and hysteresis code
import time
import usb_midi
import adafruit_midi
import board
from simpleio import map_range
from analogio import AnalogIn
print("---Grand Central MIDI Knobs---")
midi_out = usb_midi.ports[1] # Set the output MIDI channel (0-16)
midi = adafruit_midi.MIDI(out_channel=0) # Set the output MIDI channel (0-15)
knob_count = 16 # Set the total number of potentiometers used
# Create the input objects list for potentiometers
@ -75,9 +76,9 @@ while True:
(cc_range[i][1] - cc_range[i][0] + 1),
cc_value[i][0], cc_value[i][1])
# Form a MIDI message and send it:
# CC is xB0, then controller number, value can be 0 to 127
# Form a MIDI CC message and send it:
# controller number is 'n', value can be 0 to 127
# add controller value minimum as specified in the knob list
for m in range(knob_count):
midi_out.write(bytearray([0xB0, m, cc_value[m][0] + cc_range[m][0]]))
for n in range(knob_count):
midi.control_change(n, cc_value[n][0] + cc_range[n][0])
time.sleep(0.01)