changed from a normal RGB led to neopixel ws2812b
parent
06f1e1ae6a
commit
d2c4ef06a6
21
README.txt
21
README.txt
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@ -4,15 +4,21 @@ the button has an RGB led to show status
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how to install
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==============
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# login as user pi
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sudo apt-get install unclutter xdotool git-core screen imagemagick
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cd ~
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git clone https://github.com/syn2cat/doorbuzz.git
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put into /etc/rc.local the following line:
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su pi -c '/home/pi/buzzctrl.sh' &
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su pi -c '/home/pi/doorbuzz/buzzctrl.sh' &
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sudo vi /etc/xdg/lxsession/LXDE/autostart
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remove screensaver
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sudo apt-get install unclutter xdotool git-core screen imagemagick
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cd ~
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git clone git://git.drogon.net/wiringPi
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cd wiringPi
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./build
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cd ~
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mkdir -p /home/pi/.config/lxsession/LXDE/
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cat > /home/pi/.config/lxsession/LXDE/autostart <<"EOF"
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@ -20,9 +26,18 @@ cat > /home/pi/.config/lxsession/LXDE/autostart <<"EOF"
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@xset -dpms
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@xset s noblank
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@unclutter -display :0 -noevents -grab
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@./videoplayer.sh
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@./doorbuzz/videoplayer.sh
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EOF
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https://learn.adafruit.com/neopixels-on-raspberry-pi/software
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sudo apt-get install build-essential python-dev git scons swig
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git clone https://github.com/jgarff/rpi_ws281x.git
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cd rpi_ws281x
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scons
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cd python
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sudo python setup.py install
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cd doorbuzz
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connect the button and LED to pins as shown in buzzctrl.sh
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create a file "secret.txt" containing the http://user:pass@10.1.1.xx part of the URL
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99
buzzctrl.sh
99
buzzctrl.sh
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@ -1,57 +1,38 @@
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#!/bin/bash
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# led is not neopixel, so use the python lib for that
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BUTTONPIN=25
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REDLEDPIN=23
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GREENLEDPIN=18
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BLUELEDPIN=24
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SHOWLEDPRG="sudo python /home/pi/doorbuzz/setneocolor.py"
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BUZZERURL="$(cat "$(dirname "$0")"/secret.txt)/state.xml?relay1State=2&pulseTime1=5"
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BUZZERSTATUSURL="$(cat "$(dirname "$0")"/secret.txt)/state.xml"
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ATTENUATION=4
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# file secret.txt should contain username:password
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# install by putting into /etc/rc.local
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# su pi -c '/home/pi/buzzctrl.sh' &
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# su pi -c '/home/pi/doorbuzz/buzzctrl.sh' &
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echo "Initializing hardware"
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# the button
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gpio -g mode $BUTTONPIN up
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gpio -g mode $BUTTONPIN in
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# R
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gpio -g mode $REDLEDPIN out
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# G
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gpio -g mode $GREENLEDPIN out
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# B
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gpio -g mode $BLUELEDPIN out
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pulseon() {
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pin=$1
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value=0
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valueinc=64
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gpio -g mode $pin pwm
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while true
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do
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gpio -g pwm $pin $value
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value=$((value+valueinc))
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if [ $value -gt 1023 ] || [ $value -lt 0 ]
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then
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valueinc=$((0-valueinc))
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value=$((value+valueinc))
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fi
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sleep 0.2
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done
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red=$1
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green=$2
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blue=$3
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$SHOWLEDPRG pulse $((red/ATTENUATION)) $((green/ATTENUATION)) $((blue/ATTENUATION)) </dev/null >/dev/null 2>&1 &
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echo $!
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}
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pulseoff() {
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pin=$1
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kill $2
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gpio -g mode $pin out
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gpio -g write $pin 0
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if [ $(ps -edf | grep pulse | grep "$1"|wc -l) -gt 0 ]
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then
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sudo kill "$1"
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fi
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}
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ledcolor() {
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red=$1
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green=$2
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blue=$3
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gpio -g write $REDLEDPIN $red
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gpio -g write $GREENLEDPIN $green
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gpio -g write $BLUELEDPIN $blue
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$SHOWLEDPRG set $((red/ATTENUATION)) $((green/ATTENUATION)) $((blue/ATTENUATION))
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}
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declare -a morse
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morse[0]="-----"
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@ -69,68 +50,54 @@ morseled() {
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echo $message
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msglen=${#message}
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pos=0
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morsecode=""
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while [ $pos -lt $msglen ]
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do
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morsecode=${morse[${message:${pos}:1}]}
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morsecode="$morsecode ${morse[${message:${pos}:1}]}"
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pos=$((pos+1))
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echo $morsecode
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morselen=${#morsecode}
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morsepos=0
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while [ $morsepos -lt $morselen ]
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do
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ledcolor $2 $3 $4
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#echo "c($morsepos)=${morsecode:${morsepos}:1}"
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if [ "${morsecode:${morsepos}:1}" = "." ]
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then
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#echo "."
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sleep 0.1
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else
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#echo "-"
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sleep 0.2
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fi
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ledcolor 0 0 0
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sleep 0.1
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morsepos=$((morsepos+1))
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done
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sleep 0.2
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echo
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done
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red=$2
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green=$3
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blue=$4
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$SHOWLEDPRG morse $((red/ATTENUATION)) $((green/ATTENUATION)) $((blue/ATTENUATION)) "$morsecode"
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echo
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}
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echo "morsing IP"
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ledcolor 1 1 1
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ledcolor 255 255 255
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sleep 3
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ledcolor 0 0 0
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sleep 1
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morseled "$(hostname -I|awk -F. '{sub(" ","",$NF);printf $NF}')" 1 0 0
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ledcolor 1 1 1
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morseled "$(hostname -I|awk -F. '{sub(" ","",$NF);printf $NF}')" 255 0 0
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ledcolor 255 255 255
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sleep 1
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echo "Main loop"
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while true
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do
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ledcolor 0 1 1
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pulseon $GREENLEDPIN &
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pulsepid=$!
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trap "pulseoff $GREENLEDPIN $pulsepid;ledcolor 0 0 0;exit" 1 2 3
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ledcolor 0 255 255
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pulsepid=$(pulseon 0 0 255 )
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trap "pulseoff $pulsepid;ledcolor 0 0 0;exit" 1 2 3
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gpio -g wfi $BUTTONPIN falling
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while [ $(gpio -g read $BUTTONPIN) != 0 ]
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do
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gpio -g wfi $BUTTONPIN falling
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done
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pulseoff $GREENLEDPIN $pulsepid
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ledcolor 0 1 1
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pulseoff $pulsepid
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ledcolor 0 255 255
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echo "Pushiii"
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wget -O - -S --timeout=1 --tries=1 "$BUZZERURL" 2>&1
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ret=$?
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if [ $ret -ne 0 ]
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then
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morseled "$ret" 1 0 0
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morseled "$ret" 255 0 0
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else
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while wget -O - --timeout=1 --tries=1 $BUZZERSTATUSURL|grep '<relay1state>1</relay1state>'
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do
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ledcolor 0 1 0
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ledcolor 0 255 0
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sleep 0.9
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ledcolor 0 1 1
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ledcolor 0 255 255
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sleep 0.1
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done
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fi
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@ -0,0 +1,62 @@
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#!/usr/bin/python
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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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from neopixel import *
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# LED strip configuration:
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LED_COUNT = 1 # 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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# 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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r=int(sys.argv[2])
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g=int(sys.argv[3])
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b=int(sys.argv[4])
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if(sys.argv[1] == "set"):
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print "Color set to: ",r,g,b
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strip.setPixelColor(0, Color(r,g,b))
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strip.show()
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if(sys.argv[1] == "morse"):
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print "Morsing with: ",r,g,b
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speed=10
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morsecode=sys.argv[5]
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for c in morsecode:
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if c==".":
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strip.setPixelColor(0, Color(r,g,b))
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strip.show()
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time.sleep(0.2)
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strip.setPixelColor(0, Color(0,0,0))
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strip.show()
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time.sleep(0.2)
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if c=="-":
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strip.setPixelColor(0, Color(r,g,b))
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strip.show()
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time.sleep(0.7)
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strip.setPixelColor(0, Color(0,0,0))
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strip.show()
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time.sleep(0.2)
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if c==" ":
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strip.setPixelColor(0, Color(0,0,0))
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strip.show()
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time.sleep(1)
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if(sys.argv[1] == "pulse"):
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print "Pulsing with: ",r,g,b
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pulsewidth=50
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while True:
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for i in range(pulsewidth):
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trigo=sin(i/pulsewidth*pi)
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strip.setPixelColor(0, Color(int(r*trigo),int(g*trigo),int(b*trigo)))
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strip.show()
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time.sleep(50/1000.0)
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@ -13,7 +13,7 @@ do
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then # test on false, so in case of network fail, it defaults to playing
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sleep 60
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else
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ls *mp4 |
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ls ~/*mp4 |
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while read video
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do
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omxplayer "$video" </dev/null
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