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import board
import analogio
import stage
import keypad
import audiocore
import audiopwmio
import time
import supervisor
K_O = 0x01 # A
K_X = 0x02 # B
K_SELECT = 0x04 # X
K_START = 0x08 # Y
K_Z = 0x08 # Y
K_DOWN = 0x10
K_LEFT = 0x20
K_RIGHT = 0x40
K_UP = 0x80
class _Buttons:
def __init__(self):
self.keys = keypad.Keys((
board.SW_A,
board.SW_B,
board.SW_X,
board.SW_Y,
board.SW_DOWN,
board.SW_LEFT,
board.SW_RIGHT,
board.SW_UP
), value_when_pressed=False, pull=True, interval=0.05)
self.last_state = 0
self.event = keypad.Event(0, False)
self.last_z_press = None
def get_pressed(self):
buttons = self.last_state
events = self.keys.events
while events:
if events.get_into(self.event):
bit = 1 << self.event.key_number
if self.event.pressed:
buttons |= bit
self.last_state |= bit
else:
self.last_state &= ~bit
if buttons & K_Z:
now = time.monotonic()
if self.last_z_press:
if now - self.last_z_press > 2:
supervisor.set_next_code_file(None)
supervisor.reload()
else:
self.last_z_press = now
else:
self.last_z_press = None
return buttons
class _Audio:
last_audio = None
def __init__(self):
self.muted = True
self.buffer = bytearray(128)
self.audio = audiopwmio.PWMAudioOut(board.AUDIO)
def play(self, audio_file, loop=False):
if self.muted:
return
self.stop()
wave = audiocore.WaveFile(audio_file, self.buffer)
self.audio.play(wave, loop=loop)
def stop(self):
self.audio.stop()
def mute(self, value=True):
self.muted = value
audio = _Audio()
display = board.DISPLAY
buttons = _Buttons()
battery = analogio.AnalogIn(board.BAT_SENSE)
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