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Content import utime import display import leds import ledfx import buttons import light_sensor import ujson import os FILENAME = 'nickname.txt' FILENAME_ADV = 'nickname.json' ANIM_TYPES = ['rainbow', 'none'] def render_error(err1, err2): with display.open() as disp: disp.clear() disp.print(err1, posx=80 - round(len(err1) / 2 * 14), posy=18) disp.print(err2, posx=80 - round(len(err2) / 2 * 14), posy=42) disp.update() disp.close() def render_nickname(title, sub, fg, bg, fg_sub, bg_sub, main_bg): anim = 'rainbow' posy = 30 if sub != '': posy = 18 r = 255 g = 0 b = 0 ledColorPos = 0 while True: dark = 0 if light_sensor.get_reading() < 30: dark = 1 r_fg_color = fg[dark] r_bg_color = bg[dark] r_fg_sub_color = fg_sub[dark] r_bg_sub_color = bg_sub[dark] r_bg = main_bg[dark] if anim == 'rainbow': if r > 0 and b == 0: r = r - 1 g = g + 1 if g > 0 and r == 0: g = g - 1 b = b + 1 if b > 0 and g == 0: r = r + 1 b = b - 1 r_bg = [r, g, b] for i in range(0, 11): lr, lg, lb = wheel(ledColorPos + i * 3) leds.prep(i, [lr, lg, lb]) leds.update() leds.dim_top(3) leds.set_rocket(0, 15) leds.set_rocket(1, 15) leds.set_rocket(2, 15) if anim == 'none': leds.clear() leds.set_rocket(0, 0) leds.set_rocket(1, 0) leds.set_rocket(2, 0) with display.open() as disp: disp.rect(0, 0, 160, 80, col=r_bg, filled=True) disp.print(title, fg=r_fg_color, bg=r_bg_color, posx=80 - round(len(title) / 2 * 14), posy=posy) if sub != '': disp.print(sub, fg=r_fg_sub_color, bg=r_bg_sub_color, posx=80 - round(len(sub) / 2 * 14), posy=42) disp.update() disp.close() pressed = buttons.read( buttons.BOTTOM_LEFT | buttons.BOTTOM_RIGHT ) if pressed & buttons.BOTTOM_LEFT != 0: anim = ANIM_TYPES[0] if pressed & buttons.BOTTOM_RIGHT != 0: anim = ANIM_TYPES[1] ledColorPos = ledColorPos + 1 if ledColorPos > 255: ledColorPos -= 255 #utime.sleep(0.01) def get_key(json, key, default): try: return json[key] except KeyError: return default def wheel(pos): # Input a value 0 to 255 to get a color value. # The colours are a transition r - g - b - back to r. if pos < 0: return 0, 0, 0 if pos > 255: pos -= 255 if pos < 85: return int(255 - pos * 3), int(pos * 3), 0 if pos < 170: pos -= 85 return 0, int(255 - pos * 3), int(pos * 3) pos -= 170 return int(pos * 3), 0, int(255 - (pos * 3)) leds.clear() with display.open() as disp: disp.clear().update() disp.close() if FILENAME_ADV in os.listdir("."): f = open(FILENAME_ADV, 'r') try: c = ujson.loads(f.read()) f.close() # parse config nick = get_key(c, 'nickname', 'no nick') sub = get_key(c, 'subtitle', '') # daytime values background = get_key(c, 'background', [0, 0, 0]) fg_color = get_key(c, 'fg_color', [255, 255, 255]) bg_color = get_key(c, 'bg_color', background) fg_sub_color = get_key(c, 'fg_sub_color', [255, 255, 255]) bg_sub_color = get_key(c, 'bg_sub_color', background) # nighttime values background_night = get_key(c, 'background_night', [0, 0, 0]) fg_color_night = get_key(c, 'fg_color_night', [255, 255, 255]) bg_color_night = get_key(c, 'bg_color_night', background_night) fg_sub_color_night = get_key(c, 'fg_sub_color_night', [255, 255, 255]) bg_sub_color_night = get_key(c, 'bg_sub_color_night', background_night) # render nickname render_nickname(nick, sub, (fg_color, fg_color_night), (bg_color, bg_color_night), (fg_sub_color, fg_sub_color_night), (bg_sub_color, bg_sub_color_night), (background, background_night)) except ValueError: render_error('invalid', 'json') else: if FILENAME not in os.listdir("."): render_error('file not', 'found') else: f = open(FILENAME, 'r') nick = f.read() f.close() if len(nick) > 11: render_error('name too', 'long') if len(nick) < 1: render_error('nick file', 'empty') else: render_nickname(nick, '', ([255, 255, 255], [255, 255, 255]), ([0, 0, 0], [0, 0, 0]), ([255, 255, 255], [255, 255, 255]), ([0, 0, 0], [0, 0, 0]), ([0, 0, 0], [0, 0, 0]))