num_pixels = 64 # Number of pixels driven from Crickit NeoPixel terminal
# The following line sets up a NeoPixel strip on Seesaw pin 20 for Feather
pixelss = NeoPixel(crickit.seesaw, 20, num_pixels, brightness=0.05)
RED = (255, 0, 0)
YELLOW = (255, 255, 0)
GREEN = (0, 255, 0)
CYAN = (0, 255, 255)
BLUE = (0, 0, 255)
PURPLE = (180, 0, 255)
ORANGE = (255, 125, 0)
#for i in range(1, 3):
pixelss.fill(PURPLE)
pixelss.show()
#print(i)
#time.sleep(1)
a = 0
# Create one continuous servo on crickit servo port #1
left_wheel = crickit.dc_motor_1
# Create one continuous servo on crickit servo port #2
right_wheel = crickit.dc_motor_2
holder = amg.pixels
#print(holder)
while True:
holder = amg.pixels
class MyNeoPixels:
def __init__(self,
n,
seesaw=crickit.seesaw,
pin=20,
bpp=3,
brightness=1.0,
auto_write=True,
pixel_order=None):
self.numPixels = n
self.pixels = NeoPixel(
seesaw, pin, n,
auto_write=False) #, bpp, brightness, auto_write, pixel_order)
self.pixels.brightness = 0.5
def setPixelColor(self, idx, color):
self.pixels[idx] = color
def show(self):
self.pixels.show()
return
def fill(self, color):
self.pixels.fill(color)
# Define functions which animate LEDs in various ways.
def colorWipe(self, color, wait_ms=50):
"""Wipe color across display a pixel at a time."""
for i in range(self.numPixels):
self.setPixelColor(i, color)
self.show()
time.sleep(wait_ms / 1000.0)
def theaterChase(self, color, wait_ms=50, iterations=10):
"""Movie theater light style chaser animation."""
for j in range(iterations):
for q in range(3):
for i in range(0, self.numPixels, 3):
self.setPixelColor(i + q, color)
self.show()
time.sleep(wait_ms / 1000.0)
for i in range(0, self.numPixels, 3):
self.setPixelColor(i + q, 0)
def rainbow(self, wait_ms=20, iterations=1):
"""Draw rainbow that fades across all pixels at once."""
for j in range(256 * iterations):
for i in range(self.numPixels):
self.setPixelColor(i, wheel((i + j) & 255))
self.show()
time.sleep(wait_ms / 1000.0)
def rainbowCycle(self, wait_ms=20, iterations=5):
"""Draw rainbow that uniformly distributes itself across all pixels."""
for j in range(256 * iterations):
for i in range(self.numPixels):
self.setPixelColor(
i, wheel((int(i * 256 / self.numPixels) + j) & 255))
self.show()
time.sleep(wait_ms / 1000.0)
def theaterChaseRainbow(self, wait_ms=50):
"""Rainbow movie theater light style chaser animation."""
for j in range(256):
for q in range(3):
for i in range(0, self.numPixels, 3):
self.setPixelColor(i + q, wheel((i + j) % 255))
self.show()
time.sleep(wait_ms / 1000.0)
for i in range(0, self.numPixels, 3):
self.setPixelColor(i + q, 0)
def set_neopixels(self, color, count):
if count > self.numPixels:
count = self.numPixels
logging.info("setting %d pixesl to %s" % (count, color))
for i in range(0, self.numPixels):
if i < count:
self.setPixelColor(i, color)
else:
self.setPixelColor(i, colors['off'])
self.show()
# health will be a setting of 10 pixels, and the number will be out of 100
def health(self, color, health, tip='off', wait_ms=50):
self.set_neopixels(color, health)
time.sleep(0.002)
self.setPixelColor(self.numPixels - 1, colors[tip])
self.show()
##############
operations = {
# custom = has A, B, C, D
#'magic_item': magic_item,
# needs colour and count
'set': set_neopixels,
'health': health,
#needs colour
'colourwipe': colorWipe,
'theatrechase': theaterChase,
#no colour option
'rainbow': rainbow,
'rainbow_cycle': rainbowCycle,
}
###############
def play(self, payload={}):
operationname = get(payload, 'operation', 'colourwipe')
operation = get(MyNeoPixels.operations, operationname,
MyNeoPixels.operations['colourwipe'])
logging.info("playing %s" % operationname)
if operationname == 'magic_item':
operation(self, payload)
return
if operationname == 'rainbow' or operationname == 'rainbow_cycle':
operation(self)
return
colourname = get(payload, 'colour', 'off')
colour = get(colors, colourname, colors['off'])
# TODO: maybe change to using HTML colors #000000 style?
if operationname == 'colourwipe' or operationname == 'theatrechase':
operation(self, colour)
return
count = get(payload, 'count', 10)
operation(self, colour, count)
