(M5Stack) Unit-Synth

Unit-SynthでMIDIプログラミング。

落とし穴

UIFow2だといきなり動かない(202406)

from unit import SYNTHUnit

と書かれるが

from unit.synth import SYNTHUnit

が正解。

UARTはUnit-SynthのINとTXD2(17)を繋ぐ。Core2ならG14(右側上から8番目)。Unit-SynthのNCは使わないのでピンのショートが気になるならRDX2に刺しておく。

ソース(UIFlow2)

import os, sys, io
import M5
from M5 import *
from unit.synth import SYNTHUnit
import time

synth_0 = None

def setup():
  global synth_0

  M5.begin()
  Widgets.fillScreen(0x222222)
  synth_0 = SYNTHUnit(port=(16, 17), port_id=1)
  synth_0.set_instrument(127, 0, 5)
  synth_0.set_master_volume(64)

oto = [65,65,69,71,69,71,65,65,65,69,71,69,71,69,71,72,72,71,69,69,65,64,69,65,64,65,64,62,64]
nagasa = [1000,500,500,500,500,1000,500,500,500,500,500,500,1000,500,500,500,500,500,250,250,500,500,500,500,1000,500,500,1000,1000]

def loop():
  global synth_0
  M5.update()
  for (t,L) in zip(oto,nagasa):
    synth_0.set_note_on(0,t,127)
    time.sleep_ms(L)
    synth_0.set_note_off(0,0)

if __name__ == '__main__':
  try:
    setup()
    while True:
      loop()
  except (Exception, KeyboardInterrupt) as e:
    try:
      from utility import print_error_msg
      print_error_msg(e)
    except ImportError:
      print("please update to latest firmware")