Remove unused preset parameter mapping.
Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
426
src/presets.py
426
src/presets.py
@@ -1,28 +1,9 @@
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from machine import Pin
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from neopixel import NeoPixel
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import utime
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from preset import Preset
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from patterns import Blink, Rainbow, Pulse, Transition, Chase, Circle
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# Short-key parameter mapping for convenience setters
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param_mapping = {
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"pt": "selected",
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"pa": "selected",
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"cl": "colors",
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"br": "brightness",
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"dl": "delay",
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"nl": "num_leds",
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"co": "color_order",
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"lp": "led_pin",
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"n1": "n1",
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"n2": "n2",
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"n3": "n3",
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"n4": "n4",
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"n5": "n5",
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"n6": "n6",
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"auto": "auto",
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}
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class Presets:
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def __init__(self, pin, num_leds):
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self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
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@@ -39,12 +20,12 @@ class Presets:
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self.patterns = {
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"off": self.off,
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"on": self.on,
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"blink": self.blink,
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"rainbow": self.rainbow,
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"pulse": self.pulse,
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"transition": self.transition,
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"chase": self.chase,
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"circle": self.circle,
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"blink": Blink(self).run,
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"rainbow": Rainbow(self).run,
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"pulse": Pulse(self).run,
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"transition": Transition(self).run,
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"chase": Chase(self).run,
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"circle": Circle(self).run,
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}
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@@ -87,13 +68,6 @@ class Presets:
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# If preset doesn't exist or pattern not found, default to "off"
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return False
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def set_param(self, key, value):
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if key in param_mapping:
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setattr(self, param_mapping[key], value)
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return True
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print(f"Invalid parameter: {key}")
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return False
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def update_num_leds(self, pin, num_leds):
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self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
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self.num_leds = num_leds
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@@ -118,389 +92,3 @@ class Presets:
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colors = preset.c
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color = colors[0] if colors else (255, 255, 255)
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self.fill(self.apply_brightness(color, preset.b))
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def wheel(self, pos):
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if pos < 85:
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return (pos * 3, 255 - pos * 3, 0)
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elif pos < 170:
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pos -= 85
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return (255 - pos * 3, 0, pos * 3)
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else:
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pos -= 170
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return (0, pos * 3, 255 - pos * 3)
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def blink(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.apply_brightness(base_color, preset.b)
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self.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.fill((0, 0, 0))
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state = not state
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last_update = current_time
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# Yield once per tick so other logic can run
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yield
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def rainbow(self, preset):
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step = self.step % 256
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step_amount = max(1, int(preset.n1)) # n1 controls step increment
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# If auto is False, run a single step and then stop
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if not preset.a:
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for i in range(self.num_leds):
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rc_index = (i * 256 // self.num_leds) + step
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self.n[i] = self.apply_brightness(self.wheel(rc_index & 255), preset.b)
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self.n.write()
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# Increment step by n1 for next manual call
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self.step = (step + step_amount) % 256
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# Allow tick() to advance the generator once
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yield
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return
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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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sleep_ms = max(1, int(preset.d)) # Get delay from preset
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if utime.ticks_diff(current_time, last_update) >= sleep_ms:
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for i in range(self.num_leds):
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rc_index = (i * 256 // self.num_leds) + step
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self.n[i] = self.apply_brightness(self.wheel(rc_index & 255), preset.b)
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self.n.write()
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step = (step + step_amount) % 256
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self.step = step
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last_update = current_time
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# Yield once per tick so other logic can run
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yield
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def pulse(self, preset):
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self.off()
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# Get colors from preset
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colors = preset.c
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if not colors:
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colors = [(255, 255, 255)]
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color_index = 0
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cycle_start = utime.ticks_ms()
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# State machine based pulse using a single generator loop
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while True:
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# Read current timing parameters from preset
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attack_ms = max(0, int(preset.n1)) # Attack time in ms
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hold_ms = max(0, int(preset.n2)) # Hold time in ms
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decay_ms = max(0, int(preset.n3)) # Decay time in ms
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delay_ms = max(0, int(preset.d))
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total_ms = attack_ms + hold_ms + decay_ms + delay_ms
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if total_ms <= 0:
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total_ms = 1
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now = utime.ticks_ms()
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elapsed = utime.ticks_diff(now, cycle_start)
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base_color = colors[color_index % len(colors)]
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if elapsed < attack_ms and attack_ms > 0:
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# Attack: fade 0 -> 1
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factor = elapsed / attack_ms
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color = tuple(int(c * factor) for c in base_color)
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self.fill(self.apply_brightness(color, preset.b))
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elif elapsed < attack_ms + hold_ms:
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# Hold: full brightness
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self.fill(self.apply_brightness(base_color, preset.b))
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elif elapsed < attack_ms + hold_ms + decay_ms and decay_ms > 0:
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# Decay: fade 1 -> 0
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dec_elapsed = elapsed - attack_ms - hold_ms
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factor = max(0.0, 1.0 - (dec_elapsed / decay_ms))
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color = tuple(int(c * factor) for c in base_color)
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self.fill(self.apply_brightness(color, preset.b))
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elif elapsed < total_ms:
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# Delay phase: LEDs off between pulses
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self.fill((0, 0, 0))
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else:
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# End of cycle, move to next color and restart timing
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color_index += 1
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cycle_start = now
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if not preset.a:
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break
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# Skip drawing this tick, start next cycle
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yield
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continue
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# Yield once per tick
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yield
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def transition(self, preset):
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"""Transition between colors, blending over `delay` ms."""
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colors = preset.c
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if not colors:
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self.off()
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yield
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return
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# Only one color: just keep it on
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if len(colors) == 1:
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while True:
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self.fill(self.apply_brightness(colors[0], preset.b))
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yield
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return
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color_index = 0
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start_time = utime.ticks_ms()
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while True:
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if not colors:
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break
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# Get current and next color based on live list
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c1 = colors[color_index % len(colors)]
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c2 = colors[(color_index + 1) % len(colors)]
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duration = max(10, int(preset.d)) # At least 10ms
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now = utime.ticks_ms()
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elapsed = utime.ticks_diff(now, start_time)
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if elapsed >= duration:
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# End of this transition step
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if not preset.a:
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# One-shot: transition from first to second color only
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self.fill(self.apply_brightness(c2, preset.b))
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break
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# Auto: move to next pair
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color_index = (color_index + 1) % len(colors)
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start_time = now
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yield
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continue
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# Interpolate between c1 and c2
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factor = elapsed / duration
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interpolated = tuple(
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int(c1[i] + (c2[i] - c1[i]) * factor) for i in range(3)
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)
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self.fill(self.apply_brightness(interpolated, preset.b))
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yield
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def chase(self, preset):
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"""Chase pattern: n1 LEDs of color0, n2 LEDs of color1, repeating.
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Moves by n3 on even steps, n4 on odd steps (n3/n4 can be positive or negative)"""
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colors = preset.c
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if len(colors) < 1:
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# Need at least 1 color
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return
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# Access colors, delay, and n values from preset
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if not colors:
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return
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# If only one color provided, use it for both colors
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if len(colors) < 2:
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color0 = colors[0]
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color1 = colors[0]
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else:
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color0 = colors[0]
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color1 = colors[1]
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color0 = self.apply_brightness(color0, preset.b)
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color1 = self.apply_brightness(color1, preset.b)
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n1 = max(1, int(preset.n1)) # LEDs of color 0
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n2 = max(1, int(preset.n2)) # LEDs of color 1
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n3 = int(preset.n3) # Step movement on even steps (can be negative)
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n4 = int(preset.n4) # Step movement on odd steps (can be negative)
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segment_length = n1 + n2
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# Calculate position from step_count
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step_count = self.step
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# Position alternates: step 0 adds n3, step 1 adds n4, step 2 adds n3, etc.
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if step_count % 2 == 0:
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# Even steps: (step_count//2) pairs of (n3+n4) plus one extra n3
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position = (step_count // 2) * (n3 + n4) + n3
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else:
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# Odd steps: ((step_count+1)//2) pairs of (n3+n4)
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position = ((step_count + 1) // 2) * (n3 + n4)
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# Wrap position to keep it reasonable
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max_pos = self.num_leds + segment_length
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position = position % max_pos
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if position < 0:
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position += max_pos
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# If auto is False, run a single step and then stop
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if not preset.a:
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# Clear all LEDs
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self.n.fill((0, 0, 0))
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# Draw repeating pattern starting at position
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for i in range(self.num_leds):
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# Calculate position in the repeating segment
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relative_pos = (i - position) % segment_length
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if relative_pos < 0:
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relative_pos = (relative_pos + segment_length) % segment_length
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# Determine which color based on position in segment
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if relative_pos < n1:
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self.n[i] = color0
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else:
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self.n[i] = color1
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self.n.write()
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# Increment step for next beat
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self.step = step_count + 1
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# Allow tick() to advance the generator once
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yield
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return
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# Auto mode: continuous loop
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# Use transition_duration for timing and force the first update to happen immediately
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transition_duration = max(10, int(preset.d))
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last_update = utime.ticks_ms() - transition_duration
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while True:
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, last_update) >= transition_duration:
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# Calculate current position from step_count
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if step_count % 2 == 0:
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position = (step_count // 2) * (n3 + n4) + n3
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else:
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position = ((step_count + 1) // 2) * (n3 + n4)
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# Wrap position
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max_pos = self.num_leds + segment_length
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position = position % max_pos
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if position < 0:
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position += max_pos
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# Clear all LEDs
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self.n.fill((0, 0, 0))
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# Draw repeating pattern starting at position
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for i in range(self.num_leds):
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# Calculate position in the repeating segment
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relative_pos = (i - position) % segment_length
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if relative_pos < 0:
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relative_pos = (relative_pos + segment_length) % segment_length
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# Determine which color based on position in segment
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if relative_pos < n1:
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self.n[i] = color0
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else:
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self.n[i] = color1
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self.n.write()
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# Increment step
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step_count += 1
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self.step = step_count
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last_update = current_time
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# Yield once per tick so other logic can run
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yield
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def circle(self, preset):
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"""Circle loading pattern - grows to n2, then tail moves forward at n3 until min length n4"""
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head = 0
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tail = 0
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# Calculate timing from preset
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head_rate = max(1, int(preset.n1)) # n1 = head moves per second
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tail_rate = max(1, int(preset.n3)) # n3 = tail moves per second
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max_length = max(1, int(preset.n2)) # n2 = max length
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min_length = max(0, int(preset.n4)) # n4 = min length
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head_delay = 1000 // head_rate # ms between head movements
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tail_delay = 1000 // tail_rate # ms between tail movements
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last_head_move = utime.ticks_ms()
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last_tail_move = utime.ticks_ms()
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phase = "growing" # "growing", "shrinking", or "off"
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# Support up to two colors (like chase). If only one color is provided,
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# use black for the second; if none, default to white.
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colors = preset.c
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if not colors:
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base0 = base1 = (255, 255, 255)
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elif len(colors) == 1:
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base0 = colors[0]
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base1 = (0, 0, 0)
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else:
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base0 = colors[0]
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base1 = colors[1]
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color0 = self.apply_brightness(base0, preset.b)
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color1 = self.apply_brightness(base1, preset.b)
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while True:
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current_time = utime.ticks_ms()
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# Background: use second color during the "off" phase, otherwise clear to black
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if phase == "off":
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self.n.fill(color1)
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else:
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self.n.fill((0, 0, 0))
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# Calculate segment length
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segment_length = (head - tail) % self.num_leds
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if segment_length == 0 and head != tail:
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segment_length = self.num_leds
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# Draw segment from tail to head as a solid color (no per-LED alternation)
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current_color = color0
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for i in range(segment_length + 1):
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led_pos = (tail + i) % self.num_leds
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self.n[led_pos] = current_color
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# Move head continuously at n1 LEDs per second
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if utime.ticks_diff(current_time, last_head_move) >= head_delay:
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head = (head + 1) % self.num_leds
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last_head_move = current_time
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# Tail behavior based on phase
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if phase == "growing":
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# Growing phase: tail stays at 0 until max length reached
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if segment_length >= max_length:
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phase = "shrinking"
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elif phase == "shrinking":
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# Shrinking phase: move tail forward at n3 LEDs per second
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if utime.ticks_diff(current_time, last_tail_move) >= tail_delay:
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tail = (tail + 1) % self.num_leds
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last_tail_move = current_time
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# Check if we've reached min length
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current_length = (head - tail) % self.num_leds
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if current_length == 0 and head != tail:
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current_length = self.num_leds
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# For min_length = 0, we need at least 1 LED (the head)
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if min_length == 0 and current_length <= 1:
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phase = "off" # All LEDs off for 1 step
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elif min_length > 0 and current_length <= min_length:
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phase = "growing" # Cycle repeats
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else: # phase == "off"
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# Off phase: second color fills the ring for 1 step, then restart
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tail = head # Reset tail to head position to start fresh
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phase = "growing"
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self.n.write()
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# Yield once per tick so other logic can run
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yield
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