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Content import ujson import os import utime import buttons import display def make_timestamp(time): """ Generates a nice timestamp in format hh:mm:ss from the devices localtime :return: timestamp """ localtime = utime.localtime(time) timestamp = str(utime.localtime(time)[2]) + '.' + str(utime.localtime(time)[1]) + ' ' if localtime[3] < 10: timestamp = timestamp + '0' timestamp = timestamp + str(localtime[3]) + ':' if localtime[4] < 10: timestamp = timestamp + '0' timestamp = timestamp + str(localtime[4]) return timestamp def loop(shifts): shift_index = 0 last_btn_poll = utime.time() - 2 while True: pressed = buttons.read( buttons.BOTTOM_LEFT | buttons.BOTTOM_RIGHT ) if utime.time() - last_btn_poll >= 1: last_btn_poll = utime.time() if pressed & buttons.BOTTOM_RIGHT != 0: shift_index = shift_index + 1 if shift_index >= len(shifts): shift_index = 0 if pressed & buttons.BOTTOM_LEFT != 0: shift_index = shift_index - 1 if shift_index < 0: shift_index = len(shifts) - 1 with display.open() as disp: disp.clear() shift = shifts[shift_index] disp.print(shift['name']) disp.print(shift['Name'], posy=20) disp.print(make_timestamp(shift['start']), posy=40) disp.print(make_timestamp(shift['end']), posy=60) disp.update() disp.close() utime.sleep(0.5) f = open('shifts.json', 'r') shifts_json = ujson.loads(f.read()) f.close() shifts_json.reverse() loop(shifts_json)