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Content # display animated Swiss style clockwork # https://gitlab.com/erlenmayr/card10 # contact: verbuecheln@posteo.de # License: GPLv2 import color import display import math import utime import htmlcolor import os GREEN = (0, 80, 0) RED = (80, 0, 0) BLACK = color.BLACK GEAR = (60, 60, 60) GEAR1 = (70, 60, 60) GEAR2 = (60, 70, 60) GEAR3 = (60, 60, 70) GEAR4 = (65, 65, 60) WHEEL = (140, 100, 10) HOUR = htmlcolor.GOLD MINUTE = htmlcolor.GOLD SECOND = htmlcolor.ORANGERED def draw_spring(disp, charge): disp.rect(10, 5, 99, 14, col=RED) disp.rect(100, 5, 159, 14, col=GREEN) disp.rect(0, 0, 10, 20, col=BLACK) disp.rect(1, 1, 9, 19, col=GEAR) p = round(90 - 60 * charge) disp.rect(10 + p, 0, 80 + p, 20, col=BLACK) disp.rect(11 + p, 1, 79 + p, 19, col=GEAR) for i in range(6): f = 10 + round((2 * i + 1) * (p / 12.0)) g = 10 + round((2 * i + 2) * (p / 12.0)) disp.line(f, 2, g, 18, col=BLACK, size=3) disp.line(f, 2, g, 18, col=GEAR, size=1) def draw_gear(disp, x, y, radius, ang, col): xd = round(radius * math.sin(ang)) yd = round(radius * math.cos(ang)) disp.circ(x, y, radius, col=BLACK, filled=False, size=7) disp.line(x + xd, y + yd, x - xd, y - yd, col=BLACK, size=8) disp.circ(x, y, radius, col=col, filled=False, size=6) disp.line(x + xd, y + yd, x - xd, y - yd, col=col, size=6) def draw_gears(disp, t): ms = utime.time_ms() % 1000 # flywheel draw_gear(disp, 90, 39, 48, 1.570796 - 1.047198 * math.sin(0.006283185 * ms), WHEEL) # minute gears draw_gear(disp, 80, 40, 35, t[4] * -0.1047198, GEAR1) draw_gear(disp, 134, 50, 15, t[4] * 0.3665192, GEAR2) # second gears draw_gear(disp, 80, 40, 15, t[5] * -0.1047198, GEAR3) draw_gear(disp, 35, 46, 25, t[5] * 0.05235988, GEAR4) def draw_hand(disp, x, y, len, ang, col, thick): xs = x - round(len * math.sin(ang)) ys = y - round(len * math.cos(ang)) disp.line(x, y, xs, ys, col=BLACK, size=thick+2) disp.line(x, y, xs, ys, col=col, size=thick) def draw_hands(disp, t): # hour hand draw_hand(disp, 80, 40, 20, (t[3] + t[4] / 60.0) * -0.5235988, HOUR, 2) # minute hand draw_hand(disp, 80, 40, 30, t[4] * -0.1047198, MINUTE, 2) # second hand draw_hand(disp, 80, 40, 35, t[5] * -0.1047198, SECOND, 1) disp.circ(80, 40, 4, col=BLACK, filled=True, size=1) disp.circ(80, 40, 3, col=SECOND, filled=True, size=1) def animate(): with display.open() as disp: while True: disp.clear() # calculate battery charge and draw spring volt = os.read_battery() charge = (volt - 3.4) / 0.8 draw_spring(disp, charge) # draw gears and hands t = utime.localtime() draw_gears(disp, t) draw_hands(disp, t) disp.update() animate()