kopia lustrzana https://github.com/pimoroni/pimoroni-pico
65 wiersze
1.9 KiB
Python
65 wiersze
1.9 KiB
Python
from picographics import PicoGraphics, DISPLAY_TUFTY_2040, PEN_RGB332
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import math
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import time
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display = PicoGraphics(display=DISPLAY_TUFTY_2040, pen_type=PEN_RGB332, rotate=180)
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# convert a hue, saturation, and value into rgb values
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def hsv_to_rgb(h, s, v):
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if s == 0.0:
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return v, v, v
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i = int(h * 6.0)
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f = (h * 6.0) - i
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p, q, t = v * (1.0 - s), v * (1.0 - s * f), v * (1.0 - s * (1.0 - f))
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v, t, p, q = int(v * 255), int(t * 255), int(p * 255), int(q * 255)
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i = i % 6
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if i == 0:
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return v, t, p
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if i == 1:
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return q, v, p
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if i == 2:
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return p, v, t
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if i == 3:
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return p, q, v
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if i == 4:
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return t, p, v
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if i == 5:
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return v, p, q
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display.set_backlight(1.0)
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message = "Tufty 2040 is a hackable, programmable badge with a TFT LCD colour display, powered by the Raspberry Pi RP2040!"
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text_size = 10
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message_width = display.measure_text(message, text_size)
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x_scroll = 0
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while 1:
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t = time.ticks_ms() / 1000.0
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display.set_pen(display.create_pen(50, 50, 50))
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display.clear()
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x_scroll -= 10
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if x_scroll < -(message_width + 320 + 100):
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x_scroll = 0
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# for each character we'll calculate a position and colour, then draw it
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for i in range(0, len(message)):
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cx = int(x_scroll + (i * text_size * 5.5))
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cy = int(80 + math.sin(t * 10 + i) * 20)
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# to speed things up we only bother doing the hardware if the character will be visible on screen
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if cx > -50 and cx < 320:
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# draw a shadow for the character
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display.set_pen(display.create_pen(0, 0, 0))
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display.text(message[i], cx + 15, cy + 15, -1, text_size)
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# generate a rainbow colour that cycles with time
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r, g, b = hsv_to_rgb(i / 10 + t / 5, 1, 1)
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display.set_pen(display.create_pen(r, g, b))
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display.text(message[i], cx, cy, -1, text_size)
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display.update()
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