32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
import utime
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class Marquee:
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def __init__(self, driver):
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self.driver = driver
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def run(self, preset):
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colors = preset.c if preset.c else [(255, 255, 255)]
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on_len = max(1, int(preset.n1) if int(preset.n1) > 0 else 3)
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off_len = max(1, int(preset.n2) if int(preset.n2) > 0 else 2)
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step = max(1, int(preset.n3) if int(preset.n3) > 0 else 1)
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phase = self.driver.step % (on_len + off_len)
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last = utime.ticks_ms()
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while True:
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d = max(1, int(preset.d))
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now = utime.ticks_ms()
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if utime.ticks_diff(now, last) >= d:
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c = self.driver.apply_brightness(colors[0], preset.b)
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bg_color = self.driver.apply_brightness(colors[-1], preset.b)
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for i in range(self.driver.num_leds):
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m = (i + phase) % (on_len + off_len)
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self.driver.n[i] = c if m < on_len else bg_color
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self.driver.n.write()
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phase = (phase + step) % (on_len + off_len)
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self.driver.step = phase
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last = utime.ticks_add(last, d)
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if not preset.a:
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yield
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return
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yield
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