patterns: centralize timing in tick(); remove selected-delay coupling; update self-test to use per-config durations
This commit is contained in:
391
src/patterns.py
391
src/patterns.py
@@ -1,178 +1,79 @@
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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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import random
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from patterns_base import PatternBase # Import PatternBase
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class Patterns:
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class Patterns(PatternBase): # Inherit from PatternBase
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def __init__(self, pin, num_leds, color1=(0,0,0), color2=(0,0,0), brightness=127, selected="rainbow_cycle", delay=100):
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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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self.pattern_step = 0
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self.last_update = utime.ticks_ms()
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self.delay = delay
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self.brightness = brightness
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super().__init__(pin, num_leds, color1, color2, brightness, selected, delay) # Call parent constructor
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# Pattern-specific initializations
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self.on_width = 1 # Default on width
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self.off_width = 2 # Default off width (so total segment is 3, matching original behavior)
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self.n1 = 0 # Default start of fill range
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self.n2 = self.num_leds - 1 # Default end of fill range
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self.oneshot = False # New: One-shot flag for patterns like fill_range
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self.patterns = {
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"off": self.off,
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"on" : self.on,
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"color_wipe": self.color_wipe_step,
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"rainbow_cycle": self.rainbow_cycle_step,
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"theater_chase": self.theater_chase_step,
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"blink": self.blink_step,
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"color_transition": self.color_transition_step, # Added new pattern
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"flicker": self.flicker_step,
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"scanner": self.scanner_step, # New: Single direction scanner
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"bidirectional_scanner": self.bidirectional_scanner_step, # New: Bidirectional scanner
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"color_wipe": self.color_wipe,
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"rainbow_cycle": self.rainbow_cycle,
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"theater_chase": self.theater_chase,
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"blink": self.blink,
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"color_transition": self.color_transition, # Added new pattern
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"flicker": self.flicker,
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"scanner": self.scanner, # New: Single direction scanner
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"bidirectional_scanner": self.bidirectional_scanner, # New: Bidirectional scanner
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"fill_range": self.fill_range, # New: Fill from n1 to n2
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"n_chase": self.n_chase, # New: N1 on, N2 off repeating chase
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"alternating": self.alternating, # New: N1 on/off, N2 off/on alternating chase
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"external": None,
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"pulse": self.pulse
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}
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self.selected = selected
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# Beat-related functionality removed
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# self.selected is already initialized in PatternBase, but we need to ensure it uses our patterns dict
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# self.selected = selected # Handled by PatternBase
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# Ensure colors list always starts with at least two for robust transition handling
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self.colors = [color1, color2] if color1 != color2 else [color1, (255, 255, 255)] # Fallback if initial colors are same
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if not self.colors: # Ensure at least one color exists
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self.colors = [(0, 0, 0)]
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# self.colors handled by PatternBase
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self.transition_duration = delay * 50 # Default transition duration
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self.hold_duration = delay * 10 # Default hold duration at each color
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self.transition_step = 0 # Current step in the transition
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self.current_color_idx = 0 # Index of the color currently being held/transitioned from
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self.current_color = self.colors[self.current_color_idx] # The actual blended color
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# Transition attributes handled by PatternBase
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self.hold_start_time = utime.ticks_ms() # Time when the current color hold started
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# New attributes for scanner patterns
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self.scanner_direction = 1 # 1 for forward, -1 for backward
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self.scanner_tail_length = 3 # Number of trailing pixels
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# Scanner attributes handled by PatternBase
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# self.run handled by PatternBase
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def sync(self):
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self.pattern_step=0
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self.last_update = utime.ticks_ms() - self.delay
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if self.selected == "color_transition":
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self.transition_step = 0
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self.current_color_idx = 0
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self.current_color = self.colors[self.current_color_idx]
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self.hold_start_time = utime.ticks_ms() # Reset hold time
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# Reset scanner specific variables
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self.scanner_direction = 1
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super().sync() # Call parent sync
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# Reset pattern_step for theater_chase when chase_width changes
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if self.selected == "theater_chase" or self.selected == "fill_range" or self.selected == "n_chase" or self.selected == "alternating":
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self.pattern_step = 0
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self.tick()
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def set_pattern_step(self, step):
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self.pattern_step = step
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def set_on_width(self, on_width):
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self.on_width = on_width
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def tick(self):
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if self.patterns[self.selected]:
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self.patterns[self.selected]()
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def set_off_width(self, off_width):
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self.off_width = off_width
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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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def set_on_off_width(self, on_width, off_width):
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self.on_width = on_width
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self.off_width = off_width
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self.sync()
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def set_fill_range(self, n1, n2):
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self.n1 = n1
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self.n2 = n2
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self.sync()
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def set_oneshot(self, oneshot_value):
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self.oneshot = oneshot_value
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if self.oneshot: # Reset pattern step if enabling one-shot
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self.pattern_step = 0
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def set_delay(self, delay):
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self.delay = delay
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# Update transition duration and hold duration when delay changes
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self.transition_duration = self.delay * 50
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self.hold_duration = self.delay * 10
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def set_brightness(self, brightness):
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self.brightness = brightness
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def set_color1(self, color):
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if len(self.colors) > 0:
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self.colors[0] = color
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if self.selected == "color_transition":
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# If the first color is changed, potentially reset transition
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# to start from this new color if we were about to transition from it
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if self.current_color_idx == 0:
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self.transition_step = 0
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self.current_color = self.colors[0]
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self.hold_start_time = utime.ticks_ms()
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else:
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self.colors.append(color)
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def set_color2(self, color):
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if len(self.colors) > 1:
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self.colors[1] = color
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elif len(self.colors) == 1:
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self.colors.append(color)
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else: # List is empty
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self.colors.append((0,0,0)) # Dummy color
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self.colors.append(color)
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def set_colors(self, colors):
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if colors and len(colors) >= 2:
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self.colors = colors
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if self.selected == "color_transition":
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self.sync() # Reset transition if new color list is provided
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elif colors and len(colors) == 1:
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self.colors = [colors[0], (255,255,255)] # Add a default second color
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if self.selected == "color_transition":
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print("Warning: 'color_transition' requires at least two colors. Adding a default second color.")
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self.sync()
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else:
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print("Error: set_colors requires a list of at least one color.")
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self.colors = [(0,0,0), (255,255,255)] # Fallback
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if self.selected == "color_transition":
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self.sync()
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def set_color(self, num, color):
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# Changed: More robust index check
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if 0 <= num < len(self.colors):
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self.colors[num] = color
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# If the changed color is part of the current or next transition,
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# restart the transition for smoother updates
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if self.selected == "color_transition":
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current_from_idx = self.current_color_idx
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current_to_idx = (self.current_color_idx + 1) % len(self.colors)
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if num == current_from_idx or num == current_to_idx:
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# If we change a color involved in the current transition,
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# it's best to restart the transition state for smoothness.
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self.transition_step = 0
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self.current_color_idx = current_from_idx # Stay at the current starting color
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self.current_color = self.colors[self.current_color_idx]
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self.hold_start_time = utime.ticks_ms() # Reset hold
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return True
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elif num == len(self.colors): # Allow setting a new color at the end
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self.colors.append(color)
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return True
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return False
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def add_color(self, color):
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self.colors.append(color)
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if self.selected == "color_transition" and len(self.colors) == 2:
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# If we just added the second color needed for transition
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self.sync()
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def del_color(self, num):
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# Changed: More robust index check and using del for lists
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if 0 <= num < len(self.colors):
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del self.colors[num]
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# If the color being deleted was part of the current transition,
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# re-evaluate the current_color_idx
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if self.selected == "color_transition":
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if len(self.colors) < 2: # Need at least two colors for transition
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print("Warning: Not enough colors for 'color_transition'. Switching to 'on'.")
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self.select("on") # Or some other default
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else:
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# Adjust index if it's out of bounds after deletion or was the one transitioning from
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self.current_color_idx %= len(self.colors)
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self.transition_step = 0
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self.current_color = self.colors[self.current_color_idx]
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self.hold_start_time = utime.ticks_ms()
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return True
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return False
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def apply_brightness(self, color, brightness_override=None):
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effective_brightness = brightness_override if brightness_override is not None else self.brightness
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return tuple(int(c * effective_brightness / 255) for c in color)
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def select(self, pattern):
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if pattern in self.patterns:
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self.selected = pattern
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self.sync() # Reset pattern state when selecting a new pattern
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super().select(pattern) # Use parent select to set self.selected and self.transition_step
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self.run = True # Set run flag
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if pattern == "color_transition":
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if len(self.colors) < 2:
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print("Warning: 'color_transition' requires at least two colors. Switching to 'on'.")
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@@ -188,28 +89,15 @@ class Patterns:
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return True
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return False
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def set(self, i, color):
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self.n[i] = color
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def write(self):
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self.n.write()
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def fill(self, color=None):
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fill_color = color if color is not None else self.colors[0]
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for i in range(self.num_leds):
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self.n[i] = fill_color
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self.n.write()
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def off(self):
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self.fill((0, 0, 0))
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def on(self):
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self.fill(self.apply_brightness(self.colors[0]))
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def color_wipe_step(self):
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def color_wipe(self):
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color = self.apply_brightness(self.colors[0])
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, self.last_update) >= self.delay:
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if self.pattern_step < self.num_leds:
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for i in range(self.num_leds):
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self.n[i] = (0, 0, 0)
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@@ -220,9 +108,8 @@ class Patterns:
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self.pattern_step = 0
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self.last_update = current_time
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def rainbow_cycle_step(self):
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def rainbow_cycle(self):
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, self.last_update) >= self.delay/5:
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def wheel(pos):
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if pos < 85:
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return (pos * 3, 255 - pos * 3, 0)
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@@ -240,21 +127,18 @@ class Patterns:
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self.pattern_step = (self.pattern_step + 1) % 256
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self.last_update = current_time
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def theater_chase_step(self):
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, self.last_update) >= self.delay:
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def theater_chase(self):
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segment_length = self.on_width + self.off_width
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for i in range(self.num_leds):
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if (i + self.pattern_step) % 3 == 0:
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if (i + self.pattern_step) % segment_length < self.on_width:
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self.n[i] = self.apply_brightness(self.colors[0])
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else:
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self.n[i] = (0, 0, 0)
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self.n.write()
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self.pattern_step = (self.pattern_step + 1) % 3
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self.last_update = current_time
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self.pattern_step = (self.pattern_step + 1) % segment_length
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def blink_step(self):
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def blink(self):
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, self.last_update) >= self.delay:
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if self.pattern_step % 2 == 0:
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self.fill(self.apply_brightness(self.colors[0]))
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else:
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@@ -262,7 +146,7 @@ class Patterns:
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self.pattern_step = (self.pattern_step + 1) % 2
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self.last_update = current_time
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def color_transition_step(self):
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def color_transition(self):
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current_time = utime.ticks_ms()
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# Check for hold duration first
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@@ -310,9 +194,8 @@ class Patterns:
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self.last_update = current_time
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def flicker_step(self):
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def flicker(self):
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, self.last_update) >= self.delay/5:
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base_color = self.colors[0]
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# Increase the range for flicker_brightness_offset
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# Changed from self.brightness // 4 to self.brightness // 2 (or even self.brightness for max intensity)
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@@ -323,12 +206,11 @@ class Patterns:
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self.fill(flicker_color)
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self.last_update = current_time
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def scanner_step(self):
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def scanner(self):
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"""
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Mimics a 'Knight Rider' style scanner, moving in one direction.
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"""
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, self.last_update) >= self.delay:
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self.fill((0, 0, 0)) # Clear all LEDs
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# Calculate the head and tail position
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@@ -357,12 +239,11 @@ class Patterns:
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self.last_update = current_time
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def bidirectional_scanner_step(self):
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def bidirectional_scanner(self):
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"""
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Mimics a 'Knight Rider' style scanner, moving back and forth.
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"""
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current_time = utime.ticks_ms()
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if utime.ticks_diff(current_time, self.last_update) >= self.delay/100:
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self.fill((0, 0, 0)) # Clear all LEDs
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color = self.apply_brightness(self.colors[0])
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@@ -396,22 +277,158 @@ class Patterns:
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self.last_update = current_time
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def fill_range(self):
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"""
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Fills a range of LEDs from n1 to n2 with a solid color.
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If self.oneshot is True, it fills once and then turns off the LEDs.
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"""
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current_time = utime.ticks_ms()
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if self.oneshot and self.pattern_step >= 1:
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self.fill((0, 0, 0)) # Turn off LEDs if one-shot already happened
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else:
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color = self.apply_brightness(self.colors[0])
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for i in range(self.n1, self.n2 + 1):
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self.n[i] = color
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self.n.write()
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if self.oneshot:
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self.pattern_step += 1 # Increment only for one-shot
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self.last_update = current_time
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def n_chase(self):
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"""
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A theater chase pattern using n1 for on-width and n2 for off-width.
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"""
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current_time = utime.ticks_ms()
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segment_length = self.n1 + self.n2
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if segment_length == 0: # Avoid division by zero
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self.fill((0,0,0))
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self.n.write()
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self.last_update = current_time
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return
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for i in range(self.num_leds):
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if (i + self.pattern_step) % segment_length < self.n1:
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self.n[i] = self.apply_brightness(self.colors[0])
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else:
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self.n[i] = (0, 0, 0)
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self.n.write()
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self.pattern_step = (self.pattern_step + 1) % segment_length
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self.last_update = current_time
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def alternating(self):
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"""
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An alternating pattern where n1 LEDs are ON/OFF and n2 LEDs are OFF/ON globally, without moving.
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"""
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current_time = utime.ticks_ms()
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total_segment_length = self.n1 + self.n2
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if total_segment_length == 0:
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self.fill((0,0,0))
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self.n.write()
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self.last_update = current_time
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return
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# current_phase will alternate between 0 and 1
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current_phase = self.pattern_step % 2
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for i in range(self.num_leds):
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# Position within a single repeating segment (n1 + n2)
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pos_in_segment = i % total_segment_length
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if current_phase == 0: # State 0: n1 ON, n2 OFF
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if pos_in_segment < self.n1:
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self.n[i] = self.apply_brightness(self.colors[0]) # n1 is ON
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else:
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self.n[i] = (0, 0, 0) # n2 is OFF
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else: # State 1: n1 OFF, n2 ON
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if pos_in_segment < self.n1:
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self.n[i] = (0, 0, 0) # n1 is OFF
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else:
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self.n[i] = self.apply_brightness(self.colors[0]) # n2 is ON
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self.n.write()
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self.pattern_step = (self.pattern_step + 1) % 2 # Toggle between 0 and 1
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self.last_update = current_time
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def pulse(self):
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if self.pattern_step == 0:
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self.fill(self.apply_brightness(self.colors[0]))
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self.pattern_step = 1
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self.last_update = utime.ticks_ms()
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if utime.ticks_diff(utime.ticks_ms(), self.last_update) > self.delay:
|
||||
self.fill((0, 0, 0))
|
||||
print(utime.ticks_diff(utime.ticks_ms(), self.last_update))
|
||||
self.run = False
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
import time
|
||||
from machine import WDT
|
||||
wdt = WDT(timeout=2000) # Enable watchdog with a 2 second timeout
|
||||
p = Patterns(pin=10, num_leds=200, color1=(255,0,0), color2=(0,0,255), brightness=127, selected="bidirectional_scanner", delay=50)
|
||||
p.select("pulse")
|
||||
for i in range(1000):
|
||||
p.tick()
|
||||
p = Patterns(pin=4, num_leds=60, color1=(255,0,0), color2=(0,0,255), brightness=127, selected="off", delay=100)
|
||||
|
||||
print(p.colors, p.brightness)
|
||||
|
||||
# tests = [
|
||||
# ("off", {"duration_ms": 500}),
|
||||
# ("on", {"duration_ms": 500}),
|
||||
# ("color_wipe", {"delay": 200, "duration_ms": 1000}),
|
||||
# ("rainbow_cycle", {"delay": 100, "duration_ms": 2500}),
|
||||
# ("theater_chase", {"on_width": 3, "off_width": 3, "delay": 1000, "duration_ms": 2500}),
|
||||
# ("blink", {"delay": 500, "duration_ms": 2000}),
|
||||
# ("color_transition", {"delay": 150, "colors": [(255,0,0),(0,255,0),(0,0,255)], "duration_ms": 5000}),
|
||||
# ("flicker", {"delay": 100, "duration_ms": 2000}),
|
||||
# ("scanner", {"delay": 150, "duration_ms": 2500}),
|
||||
# ("bidirectional_scanner", {"delay": 50, "duration_ms": 2500}),
|
||||
# ("fill_range", {"n1": 10, "n2": 20, "delay": 500, "duration_ms": 2000}),
|
||||
# ("n_chase", {"n1": 5, "n2": 5, "delay": 1000, "duration_ms": 2500}),
|
||||
# ("alternating", {"n1": 5, "n2": 5, "delay": 500, "duration_ms": 2500}),
|
||||
# ("pulse", {"delay": 100, "duration_ms": 700}),
|
||||
# ]
|
||||
|
||||
tests = [
|
||||
|
||||
("theater_chase", {"on_width": 3, "off_width": 3, "delay": 10000, "duration_ms": 2500}),
|
||||
("blink", {"delay": 500, "duration_ms": 2000}),
|
||||
("color_transition", {"delay": 150, "colors": [(255,0,0),(0,255,0),(0,0,255)], "duration_ms": 5000}),
|
||||
("flicker", {"delay": 100, "duration_ms": 2000}),
|
||||
("scanner", {"delay": 150, "duration_ms": 2500}),
|
||||
("bidirectional_scanner", {"delay": 50, "duration_ms": 2500}),
|
||||
("fill_range", {"n1": 10, "n2": 20, "delay": 500, "duration_ms": 2000}),
|
||||
("n_chase", {"n1": 5, "n2": 5, "delay": 1000, "duration_ms": 2500}),
|
||||
("alternating", {"n1": 5, "n2": 5, "delay": 500, "duration_ms": 2500}),
|
||||
("pulse", {"delay": 100, "duration_ms": 700}),
|
||||
]
|
||||
|
||||
print("\n--- Running pattern self-test ---")
|
||||
for name, cfg in tests:
|
||||
print(f"\nPattern: {name}")
|
||||
# apply simple config helpers
|
||||
if "delay" in cfg:
|
||||
p.set_delay(cfg["delay"])
|
||||
if "on_width" in cfg:
|
||||
p.set_on_width(cfg["on_width"])
|
||||
if "off_width" in cfg:
|
||||
p.set_off_width(cfg["off_width"])
|
||||
if "n1" in cfg and "n2" in cfg:
|
||||
p.set_fill_range(cfg["n1"], cfg["n2"])
|
||||
if "colors" in cfg:
|
||||
p.set_colors(cfg["colors"])
|
||||
|
||||
p.select(name)
|
||||
|
||||
# run per configured or computed duration
|
||||
start = utime.ticks_ms()
|
||||
duration_ms = cfg["duration_ms"]
|
||||
while utime.ticks_diff(utime.ticks_ms(), start) < duration_ms:
|
||||
interval = p.tick()
|
||||
wdt.feed()
|
||||
time.sleep_ms(1)
|
||||
if isinstance(interval, int) and interval > 0:
|
||||
# sleep a small fraction to reduce busy loop while keeping responsiveness
|
||||
time.sleep_ms(max(1, interval // 10))
|
||||
else:
|
||||
time.sleep_ms(5)
|
||||
|
||||
print("\n--- Test routine finished ---")
|
||||
|
||||
|
||||
|
||||
@@ -13,6 +13,7 @@ class PatternBase:
|
||||
self.brightness = brightness
|
||||
self.patterns = {}
|
||||
self.selected = selected
|
||||
self.run = True
|
||||
# Ensure colors list always starts with at least two for robust transition handling
|
||||
self.colors = [color1, color2] if color1 != color2 else [color1, (255, 255, 255)] # Fallback if initial colors are same
|
||||
if not self.colors: # Ensure at least one color exists
|
||||
@@ -26,10 +27,12 @@ class PatternBase:
|
||||
|
||||
self.hold_start_time = utime.ticks_ms() # Time when the current color hold started
|
||||
|
||||
# New attributes for scanner patterns
|
||||
# New attributes for scanner patterns (moved from Patterns to PatternBase as they are generic enough)
|
||||
self.scanner_direction = 1 # 1 for forward, -1 for backward
|
||||
self.scanner_tail_length = 3 # Number of trailing pixels
|
||||
|
||||
# Removed: selected_delay caching
|
||||
|
||||
def sync(self):
|
||||
self.pattern_step=0
|
||||
self.last_update = utime.ticks_ms() - self.delay
|
||||
@@ -40,14 +43,32 @@ class PatternBase:
|
||||
self.hold_start_time = utime.ticks_ms() # Reset hold time
|
||||
# Reset scanner specific variables
|
||||
self.scanner_direction = 1
|
||||
self.tick()
|
||||
# self.tick() # Tick moved to Patterns, as patterns dict is there
|
||||
|
||||
def set_pattern_step(self, step):
|
||||
self.pattern_step = step
|
||||
|
||||
def tick(self):
|
||||
if self.patterns[self.selected]:
|
||||
if self.patterns.get(self.selected) and self.run:
|
||||
# Compute gating interval per pattern based on current delay
|
||||
interval = None
|
||||
if self.selected in ("color_wipe", "theater_chase", "blink", "scanner", "fill_range", "n_chase", "alternating"):
|
||||
interval = self.delay
|
||||
elif self.selected == "rainbow_cycle":
|
||||
interval = max(1, int(self.delay // 5))
|
||||
elif self.selected == "flicker":
|
||||
interval = max(1, int(self.delay // 5))
|
||||
elif self.selected == "bidirectional_scanner":
|
||||
interval = max(1, int(self.delay // 100))
|
||||
# Patterns intentionally not gated here: off, on, external, pulse, color_transition
|
||||
|
||||
if interval is not None:
|
||||
current_time = utime.ticks_ms()
|
||||
if utime.ticks_diff(current_time, self.last_update) < interval:
|
||||
return interval
|
||||
self.patterns[self.selected]()
|
||||
return interval
|
||||
return None
|
||||
|
||||
def update_num_leds(self, pin, num_leds):
|
||||
self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
|
||||
@@ -59,6 +80,7 @@ class PatternBase:
|
||||
# Update transition duration and hold duration when delay changes
|
||||
self.transition_duration = self.delay * 50
|
||||
self.hold_duration = self.delay * 10
|
||||
# No cached interval
|
||||
|
||||
|
||||
def set_brightness(self, brightness):
|
||||
@@ -157,6 +179,7 @@ class PatternBase:
|
||||
return tuple(int(c * effective_brightness / 255) for c in color)
|
||||
|
||||
def select(self, pattern):
|
||||
# Removed self.run = True here. It should be handled by Patterns class.
|
||||
if pattern in self.patterns:
|
||||
self.selected = pattern
|
||||
self.sync() # Reset pattern state when selecting a new pattern
|
||||
|
||||
Reference in New Issue
Block a user