def __init__(self,
host=DEFAULT_HOST,
port=DEFAULT_PORT,
led_num=DEFAULT_LED_NUM):
self.host = host
self.port = port
self.led_num = led_num
self.address = '{host}:{port}'.format(host=host, port=port)
# Create a client object
self.client = opc.Client(self.address)
# Test if it can connect (optional)
if self.client.can_connect():
logger.info('connected to %s' % self.address)
else:
# We could exit here, but instead let's just print a warning
# and then keep trying to send pixels in case the server
# appears later
raise Exception('WARNING: could not connect to %s' % self.address)
from lib.fadecandy.core import opc
import time
ADDRESS = 'localhost:7890'
# Create a client object
client = opc.Client(ADDRESS)
# Test if it can connect (optional)
if client.can_connect():
print('connected to %s' % ADDRESS)
else:
# We could exit here, but instead let's just print a warning
# and then keep trying to send pixels in case the server
# appears later
print('WARNING: could not connect to %s' % ADDRESS)
# Send pixels forever at 30 frames per second
while True:
my_pixels = [(255, 0, 0), (0, 255, 0), (0, 0, 255)]
if client.put_pixels(my_pixels, channel=0):
print('...')
else:
print('not connected')
time.sleep(1 / 30.0)
import numpy as np
def init_pixels():
linspace = np.linspace(0, 2 * np.pi, 64)
#!/usr/bin/env python
# Open Pixel Control version of the "measuring_stick" Arduino sketch:
# For each group of 64 LEDs (one strip), lights all LEDs with every
# multiple of 10 lit green.
from lib.fadecandy.core import opc
import time
numStrings = 8
client = opc.Client('localhost:7890')
string = [(128, 128, 128)] * 64
for i in range(7):
string[10 * i] = (128, 255, 128)
# Immediately display new frame
pixels = string * numStrings
client.put_pixels(pixels)
client.put_pixels(pixels)