Clock Display with XinaBox OD01 and Raspberry Pi

#!/usr/bin/env python

# -*- coding: utf-8 -*-

# Copyright (c) 2014-18 Richard Hull and contributors

# See LICENSE.rst for details.

# PYTHON_ARGCOMPLETE_OK



"""

An analog clockface with date & time.



Ported from:

https://gist.github.com/TheRayTracer/dd12c498e3ecb9b8b47f#file-clock-py

"""



import math

import time

import datetime

from demo_opts import get_device

from luma.core.render import canvas





def posn(angle, arm_length):

    dx = int(math.cos(math.radians(angle)) * arm_length)

    dy = int(math.sin(math.radians(angle)) * arm_length)

    return (dx, dy)





def main():

    today_last_time = "Unknown"

    while True:

        now = datetime.datetime.now()

        today_date = now.strftime("%d %b %y")

        today_time = now.strftime("%H:%M:%S")

        if today_time != today_last_time:

            today_last_time = today_time

            with canvas(device) as draw:

                now = datetime.datetime.now()

                today_date = now.strftime("%d %b %y")



                margin = 4



                cx = 30

                cy = min(device.height, 64) / 2



                left = cx - cy

                right = cx + cy



                hrs_angle = 270 + (30 * (now.hour + (now.minute / 60.0)))

                hrs = posn(hrs_angle, cy - margin - 7)



                min_angle = 270 + (6 * now.minute)

                mins = posn(min_angle, cy - margin - 2)



                sec_angle = 270 + (6 * now.second)

                secs = posn(sec_angle, cy - margin - 2)



                draw.ellipse((left + margin, margin, right - margin, min(device.height, 64) - margin), outline="white")

                draw.line((cx, cy, cx + hrs[0], cy + hrs[1]), fill="white")

                draw.line((cx, cy, cx + mins[0], cy + mins[1]), fill="white")

                draw.line((cx, cy, cx + secs[0], cy + secs[1]), fill="red")

                draw.ellipse((cx - 2, cy - 2, cx + 2, cy + 2), fill="white", outline="white")

                draw.text((2 * (cx + margin), cy - 8), today_date, fill="yellow")

                draw.text((2 * (cx + margin), cy), today_time, fill="yellow")



        time.sleep(0.1)





if __name__ == "__main__":

    try:

        device = get_device()

        main()

    except KeyboardInterrupt:

        pass