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Content import buttons import color import display import interrupt import utime import vibra def show_time(t): col_text_bg = color.Color(0, 0, 255) col_text_fg = color.Color(255, 255, 255) col_time_bg = color.Color(0, 128, 255) col_time_fg = color.Color(255, 255, 255) t_min, t_sec = int(t / 60), int(t % 60) t_msg = "{:02d} : {:02d}".format(t_min, t_sec) with display.open() as disp: disp.clear(col_text_bg) disp.print("alarm", fg=col_text_fg, bg=col_text_bg, posx=47) disp.rect(0, 20, 160, 60, col=col_time_bg) disp.print(t_msg, fg=col_time_fg, bg=col_time_bg, posx=35, posy=30) disp.update() class Alarm: def __init__(self, limit): self._limit = limit self._done = False interrupt.set_callback(interrupt.RTC_ALARM, self._countdown_handler) interrupt.enable_callback(interrupt.RTC_ALARM) utime.alarm(utime.time() + 1) def _countdown_handler(self, x): self._limit = max(0, self._limit - 1) show_time(self._limit) if self._limit > 0: utime.alarm(utime.time() + 1) else: self._alarm_handler() def _alarm_handler(self): interrupt.disable_callback(interrupt.RTC_ALARM) vibra.set(True) while True: pressed = buttons.read(buttons.BOTTOM_LEFT | buttons.BOTTOM_RIGHT | \ buttons.TOP_RIGHT | buttons.TOP_LEFT) if pressed != 0: break vibra.set(False) self._done = True def wait(self): while not self._done: pass class SetupMenu: def __init__(self): self._time_val = 0 def start_alarm(self): while True: show_time(self._time_val) pressed = buttons.read( buttons.BOTTOM_LEFT | buttons.BOTTOM_RIGHT | buttons.TOP_RIGHT) if pressed & buttons.BOTTOM_LEFT != 0: self._time_val = max(0, self._time_val - 5) elif pressed & buttons.BOTTOM_RIGHT != 0: self._time_val += 5 elif pressed & buttons.TOP_RIGHT != 0: return Alarm(self._time_val) while True: SetupMenu().start_alarm().wait() utime.sleep(0.25)