patterns: alternating uses n1 (on) and n2 (off); ensure visible ON color; return delay; phase via self.step
test: WS client sends nested {name:{...}}; add iterations and repeat-delay; include n per message; use n1/n2 for alternating
This commit is contained in:
428
patterns.py
Normal file
428
patterns.py
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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(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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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,
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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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# 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 handled by PatternBase
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# Transition attributes handled by PatternBase
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# Scanner attributes handled by PatternBase
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# self.run handled by PatternBase
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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 set_off_width(self, off_width):
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self.off_width = off_width
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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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self.sync()
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def select(self, pattern):
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if pattern in self.patterns:
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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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self.selected = "on" # Fallback if not enough colors
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self.sync() # Re-sync for the new pattern
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else:
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self.transition_step = 0
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self.current_color_idx = 0 # Start from the first color in the list
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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 timer
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self.transition_duration = self.delay * 50 # Initialize transition duration
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self.hold_duration = self.delay * 10 # Initialize hold duration
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return True
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return False
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def off(self):
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self.fill((0, 0, 0))
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return self.delay
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def on(self):
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self.fill(self.apply_brightness(self.colors[0]))
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return self.delay
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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 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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self.n[self.pattern_step] = self.apply_brightness(color)
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self.n.write()
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self.pattern_step += 1
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else:
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self.pattern_step = 0
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self.last_update = current_time
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return self.delay
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def rainbow_cycle(self):
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current_time = utime.ticks_ms()
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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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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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for i in range(self.num_leds):
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rc_index = (i * 256 // self.num_leds) + self.pattern_step
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self.n[i] = self.apply_brightness(wheel(rc_index & 255))
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self.n.write()
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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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return max(1, int(self.delay // 5))
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def theater_chase(self):
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current_time = utime.ticks_ms()
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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) % 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) % segment_length
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self.last_update = current_time
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return self.delay
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def blink(self):
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current_time = utime.ticks_ms()
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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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self.fill((0, 0, 0))
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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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return self.delay
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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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if utime.ticks_diff(current_time, self.hold_start_time) < self.hold_duration:
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# Still in hold phase, just display the current solid color
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self.fill(self.apply_brightness(self.current_color))
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self.last_update = current_time # Keep updating last_update to avoid skipping frames
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return self.delay
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# If hold duration is over, proceed with transition
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if utime.ticks_diff(current_time, self.last_update) >= self.delay:
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num_colors = len(self.colors)
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if num_colors < 2:
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# Should not happen if select handles it, but as a safeguard
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self.select("on")
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return self.delay
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from_color = self.colors[self.current_color_idx]
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to_color_idx = (self.current_color_idx + 1) % num_colors
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to_color = self.colors[to_color_idx]
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# Calculate interpolation factor (0.0 to 1.0)
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# transition_step goes from 0 to transition_duration - 1
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if self.transition_duration > 0:
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interp_factor = self.transition_step / self.transition_duration
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else:
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interp_factor = 1.0 # Immediately transition if duration is zero
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# Interpolate each color component
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r = int(from_color[0] + (to_color[0] - from_color[0]) * interp_factor)
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g = int(from_color[1] + (to_color[1] - from_color[1]) * interp_factor)
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b = int(from_color[2] + (to_color[2] - from_color[2]) * interp_factor)
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self.current_color = (r, g, b)
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self.fill(self.apply_brightness(self.current_color))
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self.transition_step += self.delay # Advance the transition step by the delay
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if self.transition_step >= self.transition_duration:
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# Transition complete, move to the next color and reset for hold phase
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self.current_color_idx = to_color_idx
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self.current_color = self.colors[self.current_color_idx] # Ensure current_color is the exact target color
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self.transition_step = 0 # Reset transition progress
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self.hold_start_time = current_time # Start hold phase for the new color
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self.last_update = current_time
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return self.delay
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def flicker(self):
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current_time = utime.ticks_ms()
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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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flicker_brightness_offset = random.randint(-int(self.brightness // 1.5), int(self.brightness // 1.5))
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flicker_brightness = max(0, min(255, self.brightness + flicker_brightness_offset))
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flicker_color = self.apply_brightness(base_color, brightness_override=flicker_brightness)
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self.fill(flicker_color)
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self.last_update = current_time
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return max(1, int(self.delay // 5))
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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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self.fill((0, 0, 0)) # Clear all LEDs
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# Calculate the head and tail position
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head_pos = self.pattern_step
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color = self.apply_brightness(self.colors[0])
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# Draw the head
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if 0 <= head_pos < self.num_leds:
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self.n[head_pos] = color
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# Draw the trailing pixels with decreasing brightness
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for i in range(1, self.scanner_tail_length + 1):
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tail_pos = head_pos - i
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if 0 <= tail_pos < self.num_leds:
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# Calculate fading color for tail
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# Example: linear fade from full brightness to off
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fade_factor = 1.0 - (i / (self.scanner_tail_length + 1))
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faded_color = tuple(int(c * fade_factor) for c in color)
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self.n[tail_pos] = faded_color
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self.n.write()
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self.pattern_step += 1
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if self.pattern_step >= self.num_leds + self.scanner_tail_length:
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self.pattern_step = 0 # Reset to start
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self.last_update = current_time
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return self.delay
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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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self.fill((0, 0, 0)) # Clear all LEDs
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color = self.apply_brightness(self.colors[0])
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# Calculate the head position based on direction
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head_pos = self.pattern_step
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# Draw the head
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if 0 <= head_pos < self.num_leds:
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self.n[head_pos] = color
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# Draw the trailing pixels with decreasing brightness
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for i in range(1, self.scanner_tail_length + 1):
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tail_pos = head_pos - (i * self.scanner_direction)
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if 0 <= tail_pos < self.num_leds:
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fade_factor = 1.0 - (i / (self.scanner_tail_length + 1))
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faded_color = tuple(int(c * fade_factor) for c in color)
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self.n[tail_pos] = faded_color
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self.n.write()
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self.pattern_step += self.scanner_direction
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# Change direction if boundaries are reached
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if self.scanner_direction == 1 and self.pattern_step >= self.num_leds:
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self.scanner_direction = -1
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self.pattern_step = self.num_leds - 1 # Start moving back from the last LED
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elif self.scanner_direction == -1 and self.pattern_step < 0:
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self.scanner_direction = 1
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self.pattern_step = 0 # Start moving forward from the first LED
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self.last_update = current_time
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return self.delay
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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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self.last_update = current_time
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return self.delay
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self.last_update = current_time
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return self.delay
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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 self.delay
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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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return self.delay
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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 self.delay
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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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return self.delay * 2
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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:
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self.fill((0, 0, 0))
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print(utime.ticks_diff(utime.ticks_ms(), self.last_update))
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self.run = False
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return self.delay
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if __name__ == "__main__":
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import time
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from machine import WDT
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wdt = WDT(timeout=2000) # Enable watchdog with a 2 second timeout
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p = Patterns(pin=4, num_leds=60, color1=(255,0,0), color2=(0,0,255), brightness=127, selected="off", delay=100)
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print(p.colors, p.brightness)
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tests = [
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("off", {"duration_ms": 500}),
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("on", {"duration_ms": 500}),
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("color_wipe", {"delay": 200, "duration_ms": 1000}),
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("rainbow_cycle", {"delay": 100, "duration_ms": 2500}),
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("theater_chase", {"on_width": 3, "off_width": 3, "delay": 1000, "duration_ms": 2500}),
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("blink", {"delay": 500, "duration_ms": 2000}),
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("color_transition", {"delay": 150, "colors": [(255,0,0),(0,255,0),(0,0,255)], "duration_ms": 5000}),
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("flicker", {"delay": 100, "duration_ms": 2000}),
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("scanner", {"delay": 150, "duration_ms": 2500}),
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("bidirectional_scanner", {"delay": 50, "duration_ms": 2500}),
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("fill_range", {"n1": 10, "n2": 20, "delay": 500, "duration_ms": 2000}),
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("n_chase", {"n1": 5, "n2": 5, "delay": 2000, "duration_ms": 2500}),
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("alternating", {"n1": 5, "n2": 5, "delay": 500, "duration_ms": 2500}),
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("pulse", {"delay": 100, "duration_ms": 700}),
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]
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print("\n--- Running pattern self-test ---")
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for name, cfg in tests:
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print(f"\nPattern: {name}")
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# apply simple config helpers
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if "delay" in cfg:
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p.set_delay(cfg["delay"])
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if "on_width" in cfg:
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p.set_on_width(cfg["on_width"])
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if "off_width" in cfg:
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p.set_off_width(cfg["off_width"])
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if "n1" in cfg and "n2" in cfg:
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p.set_fill_range(cfg["n1"], cfg["n2"])
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if "colors" in cfg:
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p.set_colors(cfg["colors"])
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p.select(name)
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# run per configured duration using absolute-scheduled tick(next_due_ms)
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start = utime.ticks_ms()
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duration_ms = cfg["duration_ms"]
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delay = cfg.get("delay", 0)
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next_due = utime.ticks_ms() - 1 # force immediate first call
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while utime.ticks_diff(utime.ticks_ms(), start) < duration_ms:
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delay = p.tick(delay)
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wdt.feed()
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print("\n--- Test routine finished ---")
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Reference in New Issue
Block a user