ws281x/patterns.py

221 lines
8.5 KiB
Python

from machine import Pin
from neopixel import NeoPixel
import utime
import random
class Patterns:
def __init__(self, pin, num_leds, color1=(0,0,0), color2=(0,0,0), brightness=127, selected="rainbow_cycle", delay=100):
self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
self.num_leds = num_leds
self.pattern_step = 0
self.last_update = utime.ticks_ms()
self.delay = delay
self.brightness = brightness
self.patterns = {
"color_wipe": self.color_wipe_step,
"rainbow_cycle": self.rainbow_cycle_step,
"theater_chase": self.theater_chase_step,
"blink": self.blink_step,
"random_color_wipe": self.random_color_wipe_step,
"random_rainbow_cycle": self.random_rainbow_cycle_step,
"random_theater_chase": self.random_theater_chase_step,
"random_blink": self.random_blink_step,
"color_transition": self.color_transition_step # Added color transition pattern
}
self.selected = selected
self.color1 = color1
self.color2 = color2
self.transition_duration = 5000 # Duration of color transition in milliseconds
self.transition_step = 0
def tick(self):
self.patterns[self.selected]()
def update_num_leds(self, pin, num_leds):
self.n = NeoPixel(Pin(pin, Pin.OUT), num_leds)
self.num_leds = num_leds
self.pattern_step = 0
def set_delay(self, delay):
self.delay = delay
def set_brightness(self, brightness):
self.brightness = brightness
def set_color1(self, color):
print(color)
self.color1 = self.apply_brightness(color)
def set_color2(self, color):
self.color2 = self.apply_brightness(color)
def apply_brightness(self, color):
return tuple(int(c * self.brightness / 255) for c in color)
def fill(self):
for i in range(self.num_leds):
self.n[i] = self.color1
self.n.write()
def color_wipe_step(self):
color = self.apply_brightness(self.color1)
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
if self.pattern_step < self.num_leds:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n[self.pattern_step] = color
self.n.write()
self.pattern_step += 1
else:
self.pattern_step = 0
self.last_update = current_time
def rainbow_cycle_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
def wheel(pos):
if pos < 85:
return (pos * 3, 255 - pos * 3, 0)
elif pos < 170:
pos -= 85
return (255 - pos * 3, 0, pos * 3)
else:
pos -= 170
return (0, pos * 3, 255 - pos * 3)
for i in range(self.num_leds):
rc_index = (i * 256 // self.num_leds) + self.pattern_step
self.n[i] = self.apply_brightness(wheel(rc_index & 255))
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 256
self.last_update = current_time
def theater_chase_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
for i in range(self.num_leds):
if (i + self.pattern_step) % 3 == 0:
self.n[i] = self.color1
else:
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 3
self.last_update = current_time
def blink_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
if self.pattern_step % 2 == 0:
for i in range(self.num_leds):
self.n[i] = self.color1
else:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 2
self.last_update = current_time
def random_color_wipe_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
if self.pattern_step < self.num_leds:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n[self.pattern_step] = self.apply_brightness(color)
self.n.write()
self.pattern_step += 1
else:
self.pattern_step = 0
self.last_update = current_time
def random_rainbow_cycle_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
def wheel(pos):
if pos < 85:
return (pos * 3, 255 - pos * 3, 0)
elif pos < 170:
pos -= 85
return (255 - pos * 3, 0, pos * 3)
else:
pos -= 170
return (0, pos * 3, 255 - pos * 3)
random_offset = random.randint(0, 255)
for i in range(self.num_leds):
rc_index = (i * 256 // self.num_leds) + self.pattern_step + random_offset
self.n[i] = self.apply_brightness(wheel(rc_index & 255))
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 256
self.last_update = current_time
def random_theater_chase_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
for i in range(self.num_leds):
if (i + self.pattern_step) % 3 == 0:
self.n[i] = self.apply_brightness(color)
else:
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 3
self.last_update = current_time
def random_blink_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
color = (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255))
if self.pattern_step % 2 == 0:
for i in range(self.num_leds):
self.n[i] = self.apply_brightness(color)
else:
for i in range(self.num_leds):
self.n[i] = (0, 0, 0)
self.n.write()
self.pattern_step = (self.pattern_step + 1) % 2
self.last_update = current_time
def color_transition_step(self):
current_time = utime.ticks_ms()
if utime.ticks_diff(current_time, self.last_update) >= self.delay:
# Calculate transition factor based on elapsed time
transition_factor = (self.pattern_step * 100) / self.transition_duration
if transition_factor > 100:
transition_factor = 100
color = self.interpolate_color(self.color1, self.color2, transition_factor / 100)
# Apply the interpolated color to all LEDs
for i in range(self.num_leds):
self.n[i] = self.apply_brightness(color)
self.n.write()
self.pattern_step += self.delay
if self.pattern_step > self.transition_duration:
self.pattern_step = 0
self.last_update = current_time
def interpolate_color(self, color1, color2, factor):
return (
int(color1[0] + (color2[0] - color1[0]) * factor),
int(color1[1] + (color2[1] - color1[1]) * factor),
int(color1[2] + (color2[2] - color1[2]) * factor)
)
if __name__ == "__main__":
p = Patterns(4, 180)
p.set_color1((255,0,0))
p.set_color2((0,255,0))
try:
while True:
for key in p.patterns:
print(key)
for _ in range(1000):
p.tick()
utime.sleep_ms(1)
except KeyboardInterrupt:
p.fill((0, 0, 0))