57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
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import time
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import board
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from digitalio import DigitalInOut, Direction, Pull
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import usb_midi
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import adafruit_midi
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from adafruit_midi.control_change import ControlChange
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# MIDI setup as MIDI out device
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midi = adafruit_midi.MIDI(midi_out=usb_midi.ports[1], out_channel=0)
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# button pins, all pins in order skipping GP15
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button_pins = [
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board.GP18,
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board.GP19,
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board.GP20,
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board.GP21,
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board.GP22,
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]
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buttons = []
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for pin in button_pins:
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button = DigitalInOut(pin)
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button.direction = Direction.INPUT
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button.pull = Pull.UP
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buttons.append(button)
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cc_numbers = [
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20,
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21,
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22,
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23,
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24,
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]
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# button states
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button_states = [True] * len(buttons)
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while True:
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for i, button in enumerate(buttons):
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current_state = button.value
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if current_state != button_states[i]:
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if not current_state:
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# Button pressed
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midi.send(ControlChange(cc_numbers[i], 127))
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print(f"Button {i+1} pressed -> CC{cc_numbers[i]}:127")
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else:
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# Button released
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midi.send(ControlChange(cc_numbers[i], 0))
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print(f"Button {i+1} released -> CC{cc_numbers[i]}:0")
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button_states[i] = current_state
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time.sleep(0.01)
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