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