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Content import sndmixer, time, os, i2c, display, gc from machine import nvs_getint on_selected = b'\xff\x00\xff' on = b'\xf0\xf0\x00' off = b'\x00\x00\x00' fsize = 0 file_handle = None playing = False try: os.umountsd() except: pass try: os.mountsd() songs = [filename for filename in os.listfiles('sd/Samples', return_full=True) if '/._' not in filename and (filename.endswith('wav'))] except: songs = [] songs.sort() print(songs) ledstate = [False] * 16 touchstate = [False] * 16 for index,_ in enumerate(songs): if index >= len(ledstate): break ledstate[index] = True # Dummy flush display.flush() time.sleep(1) for i, state in enumerate(ledstate): x = i % 4 y = int(i/4) display.drawPixel(x, y, 0x00FFFF if state else 0x000000) display.flush() sndmixer.begin(4, True) sndmixer.beat_sync_start(120) file_handles = {} released = True while True: # try: gc.collect() buttons = bin(int.from_bytes(i2c.i2c_read_reg(25, 4, 2), 'little'))[2:] buttons = '0' * (8-len(buttons)) + buttons touchstate = [char == '1' for char in buttons] touchstate.reverse() if buttons == '0' * 8: released = True if True in touchstate and released: released = False number = touchstate.index(True) print('playing %d' % number) vol = nvs_getint('system', 'volume') or 15 file_handle = open(songs[number], 'rb') player = sndmixer.wav_stream(file_handle) print('got channel id %d' % player) if player is None: continue file_handles[player] = file_handle sndmixer.on_finished(player, lambda _: file_handles[player].close()) sndmixer.volume(player, vol) sndmixer.loop(player, True) sndmixer.start_at_next(player, 4) number = -1 time.sleep(0.01) # except Exception as e: # print(e) # pass