def start(pin,numpins):
global leds,layer0,layer1,layer2,npins
npins=numpins
leds = neo.ledstrip(pin,numpins)
layer0 = neo.ledstrip(pin,numpins)
layer1 = neo.ledstrip(pin,numpins)
layer2 = neo.ledstrip(pin,numpins)
setup_anim(0)
setup_anim_speed(50)
# start the background animation thread
thread(animate_background,500)
# start the foreground animation thread
thread(animate_foreground,50)
while True:
# clear leds
leds.clear()
# now, acquire the lock
lock.acquire()
# merge the first and second layer
leds.merge(layer0)
leds.merge(layer1)
# merge the background layer only where leds is transparent (0,0,0)
leds.merge(layer2,neo.first_color)
# release the lock
lock.release()
# and light it up!
leds.on()
sleep(50)
################################################################################
# Neopixel LED Strips
#
# Created by VIPER Team 2015 CC
# Authors: G. Baldi, D. Mazzei
################################################################################
import threading
from drivers.neopixel import ledstrips as neo
# create all the needed layers
leds = neo.ledstrip(D6, 16)
layer0 = neo.ledstrip(D6, 16)
layer1 = neo.ledstrip(D6, 16)
layer2 = neo.ledstrip(D6, 16)
# fill layers with their initial values
leds.clear()
layer0[0] = (100, 0, 0)
layer0[1] = (100, 0, 0)
layer0[2] = (100, 0, 0)
layer1[0] = (0, 100, 0)
layer1[1] = (0, 100, 0)
layer1[2] = (0, 100, 0)
layer2.clear()
# let's define some coefficients for smooth animation (half a sinus wave)
animation_coefficients = [
0, 0.2588190451, 0.5, 0.7071067812, 0.8660254038, 0.9659258263, 1,
0.9659258263, 0.8660254038, 0.7071067812, 0.5, 0.2588190451
]
# Neopixel LED Strips
#
# Created by VIPER Team 2015 CC
# Authors: G. Baldi, D. Mazzei
################################################################################
# Be sure to open the serial console, otherwise the program will halt if the console buffer is full.
import streams
from drivers.neopixel import ledstrips as neo
streams.serial()
num_leds = 16 # adjust this to match the number of LEDs on your strip
led_pin = D9 # this should match the data pin of the LED strip
switch_pin = D2 # this should match the pin to which the button is connected
leds = neo.ledstrip(led_pin, num_leds) # create a new Neopixel strip composed of <num_leds> LEDs and connected to pin D0
leds.set_fading(100, 0, 0) # create a fade effect that starts from red=100 and goes to RGB=0,0,0
# along all the available strip LEDs. This is a static setup of the LEDs
pos=0
def touch():
#function to be called when a button is touched
r = random(20, 100) # choose a random colour for RED
g = random(20, 100) # choose a random colour for GREEN
b = random(20, 100) # choose a random colour for BLUE
print(r, g, b)
leds.set_fading(r, g, b, num_leds-1-pos)
#attach a button to pin <switch_pin> and set an interrupt to call the touched function. The button should connect the pin to Vcc.
pinMode(switch_pin, INPUT_PULLDOWN)
################################################################################
# Neopixel LED Strips
#
# Created by VIPER Team 2015 CC
# Authors: G. Baldi, D. Mazzei
################################################################################
import threading
from drivers.neopixel import ledstrips as neo
# create all the needed layers
leds = neo.ledstrip(D6,16)
layer0 = neo.ledstrip(D6,16)
layer1 = neo.ledstrip(D6,16)
layer2 = neo.ledstrip(D6,16)
# fill layers with their initial values
leds.clear()
layer0[0]=(100,0,0)
layer0[1]=(100,0,0)
layer0[2]=(100,0,0)
layer1[0]=(0,100,0)
layer1[1]=(0,100,0)
layer1[2]=(0,100,0)
layer2.clear()
# let's define some coefficients for smooth animation (half a sinus wave)
animation_coefficients = [
0,
0.2588190451,
0.5,