Jimmy
52a5f0f8c4
Wire the Pico to UART-driven preset selection, add pattern modules and presets data, remove old p2p/settings code, and update tests and LED driver. Made-with: Cursor
64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
import utime
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class Flare:
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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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"""
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Flare: on the strip used by the first roll head,
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make the strip fade up to brightness over the delay time.
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- c[0]: color1 for the first n1 LEDs
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- c[1]: color2 for the rest of the strip
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- n1: number of LEDs from the start of the strip that use color1
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- d: fade-in duration in ms (time to reach full preset brightness b)
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"""
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strips = self.driver.strips
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# Which strip to flare: last roll head, clamped to valid range
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strip_idx = getattr(self.driver, "last_roll_head", 0)
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if strip_idx < 0 or strip_idx >= len(strips):
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strip_idx = 0
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strip = strips[strip_idx]
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n = strip.num_leds
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colors = preset.c
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base_c1 = colors[0] if len(colors) > 0 else (255, 255, 255)
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base_c2 = colors[1] if len(colors) > 1 else (0, 0, 0)
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count_c1 = max(0, min(int(preset.n1), n))
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fade_ms = max(1, int(preset.d) or 1)
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target_b = int(preset.b) if hasattr(preset, "b") else 255
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start_time = utime.ticks_ms()
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done = False
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while True:
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now = utime.ticks_ms()
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elapsed = utime.ticks_diff(now, start_time)
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if not done:
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if elapsed >= fade_ms:
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factor = 1.0
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done = True
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else:
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factor = elapsed / fade_ms if fade_ms > 0 else 1.0
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else:
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factor = 1.0
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# Effective per-preset brightness scaled over time
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current_b = int(target_b * factor)
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# Apply global + local brightness to both colors
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c1 = self.driver.apply_brightness(base_c1, current_b)
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c2 = self.driver.apply_brightness(base_c2, current_b)
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for i in range(n):
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strip.set(i, c1 if i < count_c1 else c2)
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strip.show()
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yield
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