added button to clean shutdown the pi

added the adafruit 60 neopixel display
code to show the actual time as analog clock

README.txt

@@ -4,21 +4,13 @@ the button has an RGB led to show status
 
 how to install
 ==============
-# login as user pi
-sudo apt-get install unclutter xdotool git-core screen imagemagick
-cd ~
-git clone https://github.com/syn2cat/doorbuzz.git
-
-put into /etc/rc.local the following line:
-su pi -c '/home/pi/doorbuzz/buzzctrl.sh' &
 
 sudo vi /etc/xdg/lxsession/LXDE/autostart
 remove screensaver
-cd ~
+sudo apt-get install unclutter xdotool git-core screen imagemagick
 git clone git://git.drogon.net/wiringPi
 cd wiringPi
 ./build
-cd ~
 
 mkdir -p /home/pi/.config/lxsession/LXDE/
 cat > /home/pi/.config/lxsession/LXDE/autostart <<"EOF"
@@ -26,18 +18,11 @@ cat > /home/pi/.config/lxsession/LXDE/autostart <<"EOF"
 @xset -dpms
 @xset s noblank
 @unclutter -display :0 -noevents -grab
+@./doorbuzz/buzzctrl.sh
 @./doorbuzz/videoplayer.sh
+@sudo python ./doorbuzz/shutdownbutton.py
 EOF
 
-https://learn.adafruit.com/neopixels-on-raspberry-pi/software
-sudo apt-get install build-essential python-dev git scons swig
-git clone https://github.com/jgarff/rpi_ws281x.git
-cd rpi_ws281x
-scons
-cd python
-sudo python setup.py install
-
-cd doorbuzz
 
 connect the button and LED to pins as shown in buzzctrl.sh
 create a file "secret.txt" containing the http://user:pass@10.1.1.xx part of the URL

setneocolor.py

@@ -8,13 +8,16 @@ from math import *
 from neopixel import *
 
 # LED strip configuration:
-LED_COUNT      = 1       # Number of LED pixels.
+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 clockcalc(value):
+     return 1+((30+int(value))%60)
+
 # Main program logic follows:
 if __name__ == '__main__':
         # Create NeoPixel object with appropriate configuration.
@@ -56,7 +59,17 @@ if __name__ == '__main__':
 	  pulsewidth=50
 	  while True:
 	    for i in range(pulsewidth):
+	      color=Color(0,0,0)
+              for j in range(0,60):
+                strip.setPixelColor(clockcalc(j), color)
 	      trigo=sin(i/pulsewidth*pi)
-	      strip.setPixelColor(0, Color(int(r*trigo),int(g*trigo),int(b*trigo)))
+	      color=Color(int(r*trigo),int(g*trigo),int(b*trigo))
+              clockpos=int(time.strftime('%I',time.localtime()))*5
+              for j in range(-2,3):
+                strip.setPixelColor(clockcalc(clockpos+j),Color(30,30,30))
+              for j in range(0,60,5):
+                strip.setPixelColor(clockcalc(j), color)
+              strip.setPixelColor(clockcalc(time.strftime('%M',time.localtime())),Color(30,0,0))
+              strip.setPixelColor(clockcalc(time.strftime('%S',time.localtime())),Color(0,30,0))
               strip.show()
               time.sleep(50/1000.0)

shutdownbutton.py

@@ -0,0 +1,18 @@
+buttonpin=24
+import RPi.GPIO as GPIO
+import time
+import os
+
+GPIO.setmode(GPIO.BCM)
+
+GPIO.setup(buttonpin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+
+while True:
+  print "waiting..."
+  try:  
+    GPIO.wait_for_edge(buttonpin, GPIO.FALLING)  
+    print('Button Pressed')
+    os.system("shutdown now -h")
+  except KeyboardInterrupt:  
+    GPIO.cleanup()       # clean up GPIO on CTRL+C exit  
+GPIO.cleanup()           #

videoplayer.sh

@@ -17,6 +17,7 @@ do
     while read video
     do
       omxplayer "$video" </dev/null 
+      sleep 2
     done
   fi
 done