34 lines
1.3 KiB
Python
34 lines
1.3 KiB
Python
import utime
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class Blink:
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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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"""Blink pattern: toggles LEDs on/off using preset delay, cycling through colors."""
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# Use provided colors, or default to white if none
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colors = preset.c if preset.c else [(255, 255, 255)]
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color_index = 0
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state = True # True = on, False = off
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last_update = utime.ticks_ms()
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while True:
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current_time = utime.ticks_ms()
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# Re-read delay each loop so live updates to preset.d take effect
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delay_ms = max(1, int(preset.d))
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if utime.ticks_diff(current_time, last_update) >= delay_ms:
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if state:
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base_color = colors[color_index % len(colors)]
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color = self.driver.apply_brightness(base_color, preset.b)
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self.driver.fill(color)
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# Advance to next color for the next "on" phase
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color_index += 1
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else:
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# "Off" phase: turn all LEDs off
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self.driver.fill((0, 0, 0))
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state = not state
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last_update = utime.ticks_add(last_update, delay_ms)
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# Yield once per tick so other logic can run
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yield
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