Various patterns, cross fades, fades and helpful functions for PiGlow. Hopefully to be implemented into WiringPi2-Python.

WiringPi2-Python PiGlow Tests

import wiringpi2 as wiringpi
from math import floor
io = wiringpi.GPIO(wiringpi.GPIO.WPI_MODE_PINS)
wiringpi.piGlowSetup(1)

def toggleAll(led,intensity):
  wiringpi.piGlowLeg(0,intensity)
	wiringpi.piGlowLeg(1,intensity)
	wiringpi.piGlowLeg(2,intensity)

def spiral1(num,intensity):
	if num >= 0 and num <= 17:
		ring = int(floor(num/3))
		leg = int(num%3)
		wiringpi.piGlow1(leg,ring,intensity)

def seq1(num,intensity):
	if num >= 0 and num <= 17:
		leg = int(floor(num/6))
		ring = int(num - (floor(num/6)*6))
		wiringpi.piGlow1(leg,ring,intensity)

def fadeIn(delay,intensity,fn,led):
	for i in xrange(0,intensity):
		fn(led,i)
		wiringpi.delay(delay)

def fadeOut(delay,intensity,fn,led):
	for i in reversed(xrange(0,intensity)):
		fn(led,i)
		wiringpi.delay(delay)

def crossFade(delay,intensity,fn,led1,led2):
	for i in xrange(0,intensity+1):
		fn(led1,i)
		fn(led2,intensity-i)
		wiringpi.delay(delay)

intensity = 60
delay = 150/intensity

while 1:
	for x in xrange(0,4):
		fadeIn(1,intensity,toggleAll,0)
		fadeOut(delay,intensity,toggleAll,0)
		wiringpi.delay(100)

	lastring = -1;
	for ring in xrange(0,6):
		crossFade(delay,intensity,wiringpi.piGlowRing,ring,lastring)
		lastring = ring
		wiringpi.delay(50)
	for ring in reversed(xrange(0,6)):
		crossFade(delay,intensity,wiringpi.piGlowRing,ring,lastring)
		lastring = ring
		wiringpi.delay(50)

	fadeOut(delay,intensity,toggleAll,0)

	lastleg = -1;
	for x in xrange(0,2):
		for leg in xrange(0,3):
			crossFade(delay,intensity,wiringpi.piGlowLeg,leg,lastleg)
			lastleg = leg
			wiringpi.delay(50)

	fadeOut(delay,intensity,toggleAll,0)

	for led in xrange(0,18):
		crossFade(delay,intensity,spiral1,led,led-1)
	for led in reversed(xrange(0,18)):
		crossFade(delay,intensity,spiral1,led,led+1)
	for led in xrange(0,18):
		crossFade(delay,intensity,seq1,led,led-1)
	for led in reversed(xrange(0,18)):
		crossFade(delay,intensity,seq1,led,led+1)

exit()