doorbuzz/setneocolor.py

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Python
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2016-04-01 00:37:54 +02:00
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# sets color of first neo pixel
from __future__ import division
import time
import sys
from math import *
import redis
from neopixel import *
# LED strip configuration:
LED_COUNT = 61 # Number of LED pixels.
LED_PIN = 18 # GPIO pin connected to the pixels (must support PWM!).
LED_FREQ_HZ = 800000 # LED signal frequency in hertz (usually 800khz)
LED_DMA = 5 # DMA channel to use for generating signal (try 5)
LED_BRIGHTNESS = 100 # Set to 0 for darkest and 255 for brightest
LED_INVERT = False # True to invert the signal (when using NPN transistor level shift)
def wheel(pos):
"""Generate rainbow colors across 0-255 positions."""
if pos < 85:
return Color(pos * 3, 255 - pos * 3, 0)
elif pos < 170:
pos -= 85
return Color(255 - pos * 3, 0, pos * 3)
else:
pos -= 170
return Color(0, pos * 3, 255 - pos * 3)
def clockcalc(value):
return 1+((30+int(value))%60)
def showit():
if ( valid == "yes" ):
strip.show()
# Main program logic follows:
if __name__ == '__main__':
# Create NeoPixel object with appropriate configuration.
strip = Adafruit_NeoPixel(LED_COUNT, LED_PIN, LED_FREQ_HZ, LED_DMA, LED_INVERT, LED_BRIGHTNESS)
# Intialize the library (must be called once before other functions).
strip.begin()
myredis=redis.StrictRedis(host='localhost', port=6379, db=0)
while True:
time.sleep(50/1000.0)
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try:
r=int(myredis.get('neored'))
except:
r=0
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try:
g=int(myredis.get('neogreen'))
except:
g=0
try:
b=int(myredis.get('neoblue'))
except:
b=0
try:
action=myredis.get('neoaction')
except:
action="set"
try:
valid=myredis.get('valid')
except:
valid="yes"
if ( valid != "yes" ):
continue
if(action == "set"):
print "Color set to: ",r,g,b
for i in range(0,LED_COUNT):
strip.setPixelColor(i, Color(r,g,b))
showit()
if(action == "number"):
tmp=myredis.get('neovalue')
if(not tmp):
continue
i=clockcalc(int(tmp))
print "Digit ",i," set to: ",r,g,b
strip.setPixelColor(i, Color(r,g,b))
showit()
if(action == "morse"):
print "Morsing with: ",r,g,b
speed=10
for i in range(0,LED_COUNT):
strip.setPixelColor(i, Color(0,0,0))
morsecode=myredis.get('neovalue')
morsep=1
for c in morsecode:
if c==".":
strip.setPixelColor(morsep, Color(r,g,b))
morsep+=1
strip.setPixelColor(morsep, Color(0,0,0))
morsep+=1
if c=="-":
strip.setPixelColor(morsep, Color(r,g,b))
morsep+=1
strip.setPixelColor(morsep, Color(r,g,b))
morsep+=1
strip.setPixelColor(morsep, Color(0,0,0))
morsep+=1
strip.setPixelColor(morsep, Color(0,0,0))
morsep+=1
if c==" ":
strip.setPixelColor(morsep, Color(0,0,0))
morsep+=1
strip.setPixelColor(morsep, Color(0,0,0))
morsep+=1
strip.setPixelColor(morsep, Color(0,0,0))
morsep+=1
strip.setPixelColor(morsep, Color(0,0,0))
morsep+=1
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showit()
time.sleep(1)
if(action == "pulse"):
print "Pulsing with: ",r,g,b
pulsewidth=50
while (action==myredis.get('neoaction')):
for i in range(pulsewidth):
if(action!=myredis.get('neoaction')):
break
# reset all pixels to black
color=Color(0,0,0)
for j in range(0,60):
strip.setPixelColor(clockcalc(j), color)
# put the hours hand as white, skew by 5 depending on minutes value
clockpos=int(int(time.strftime('%I',time.localtime()))*5+int(time.strftime('%M',time.localtime()))/60*5)
for j in range(-2,3):
strip.setPixelColor(clockcalc(clockpos+j),Color(30,30,30))
# set the hours marks as a plusing blue
trigo=sin(i/pulsewidth*pi)
color=Color(int(r*trigo),int(g*trigo),int(b*trigo))
for j in range(0,60,5):
strip.setPixelColor(clockcalc(j), color)
# put the current people count as magenta
strip.setPixelColor(clockcalc(myredis.get('neocounter')),Color(10,0,10))
# put the minute hand as red
strip.setPixelColor(clockcalc(time.strftime('%M',time.localtime())),Color(30,0,0))
# put the seconds hand as green
strip.setPixelColor(clockcalc(time.strftime('%S',time.localtime())),Color(0,30,0))
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showit()
time.sleep(50/1000.0)
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if(action == "flash"):
print "Flashing with: ",r,g,b
print myredis.get('neoaction')
wait_ms=50
"""Rainbow movie theater light style chaser animation."""
while (action==myredis.get('neoaction')):
print " Flashing with: ",r,g,b
for j in range(256):
print " Flashing with: ",r,g,b
if(action!=myredis.get('neoaction')):
break
for q in range(3):
for i in range(0, strip.numPixels(), 3):
strip.setPixelColor(i+q, wheel((i+j) % 255))
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showit()
time.sleep(wait_ms/1000.0)
for i in range(0, strip.numPixels(), 3):
strip.setPixelColor(i+q, 0)