रिमोट कंट्रोल के साथ रास्पबेरी पाई पर स्कूल की घंटी

#!/bin/bash LOG="/var/log/rtc-sync.log" DATE=`date` sleep 30 echo "*** $DATE" >>$LOG until ping -nq -c3 8.8.8.8; do echo "No network, updating system clock from RTC." >>$LOG rtc-pi 2>&1 exit done echo "Network detected. Updating RTC." >>$LOG date +%Y%m%d%H%M%S |xargs ./rtc-pi 2>&1 

 #!/bin/sh # /etc/init.d/rtc ### BEGIN INIT INFO # Provides: RTC controll # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Simple script to start RTC sync # Description: A simple script from prostosergik <serge.liskovsky@gmail.com> which will run script that synchronizes RTC module clock with system clock at startup. ### END INIT INFO case "$1" in start) echo "RTC sync..." /usr/local/bin/update_rtc& 2>&1 ;; stop) echo "Stopping RTC Sync..." # kill application you want to stop killall update_rtc ;; *) echo "Usage: /etc/init.d/rtc {start|stop}" exit 1 ;; esac exit 0 

 #!/usr/bin/python # -*- coding: utf-8 -*- import cgi, re, json from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer import collections from config import * class MainRequestHandler(BaseHTTPRequestHandler): def do_GET(self): if self.path == '/': lessons = readSchedule() schedule = '' for lesson in lessons: schedule += u"<b> "+lesson+"</b>: "+lessons[lesson].get('start', '--:--') + " - " + lessons[lesson].get('end', '--:--') + "<br />" data = { 'schedule': schedule.encode('utf-8') } TemplateOut(self, 'index.html', data) return elif self.path == '/form.html': lessons = readSchedule() form = '' for lesson in lessons: form += u"<div class='form_block'><label> "+lesson+"</label> <input type='text' name='lesson_"+lesson+"_start' value='"+lessons[lesson].get('start', '--:--') + "'> - <input type='text' name='lesson_"+lesson+"_end' value='"+lessons[lesson].get('end', '--:--') + "'> </div> """ data = { 'form': form.encode('utf-8') } TemplateOut(self, 'form.html', data) return elif self.path == '/remote.html': lessons = readScheduleRemote() form = '' for lesson in lessons: form += u"<div class='form_block'><label> "+lesson+"</label> <input type='text' name='lesson_"+lesson+"_start' value='"+lessons[lesson].get('start', '--:--') + "'> - <input type='text' name='lesson_"+lesson+"_end' value='"+lessons[lesson].get('end', '--:--') + "'> </div> """ data = { 'form': form.encode('utf-8') } TemplateOut(self, 'form.html', data) return else: try: TemplateOut(self, self.path) except IOError: self.send_error(404, 'File Not Found: %s' % self.path) def do_POST(self): # Parse the form data posted form = cgi.FieldStorage( fp=self.rfile, headers=self.headers, environ={ 'REQUEST_METHOD':'POST', 'CONTENT_TYPE':self.headers['Content-Type'], } ) lessons = {} if self.path.endswith('save'): # Echo back information about what was posted in the form for field in form.keys(): field_item = form[field] if type(field_item) == type([]): pass # no arrays processing now else: if field_item.filename: pass #no files now. else: if re.match('lesson_([\d]+)_(start|end)', field): (lesson, state) = re.findall('lesson_([\d]+)_(start|end)', field)[0] try: lessons[lesson] except Exception: lessons[lesson] = {} lessons[lesson][state] = field_item.value # printlessons json_s = json.dumps(lessons) if json_s: try: f = open(JSON_FILE, 'w+') f.write(json_s) f.close() HTMLOut(self, 'Saved OK.' + JS_REDIRECT) except IOError, e: # raise e HTMLOut(self, 'Error saving. IO error. '+e.message) else: HTMLOut(self, 'Json Error.') else: self.send_error(404, 'Wrong POST url: %s' % self.path) return def Redirect(request, location): request.send_response(301) request.send_header('Location', location) request.end_headers() return def Headers200(request): request.send_response(200) request.send_header('Content-type', 'text/html') request.end_headers() return def TemplateOut(request, out_file, data = {}): f = open(SCRIPT_DIR + out_file) out = f.read() f.close() #tiny template engine for key, var in data.items(): out = out.replace("{{"+key+"}}", var) HTMLOut(request, out) def HTMLOut(request, html): Headers200(request) f = open(SCRIPT_DIR + 'base.html') out = f.read() f.close() out = out.replace("{{content}}", html) request.wfile.write(out) def readSchedule(): try: f = open(JSON_FILE, 'r') json_s = f.read() f.close() except IOError: return [] try: lessons = json.loads(json_s) except Exception: return [] lessons = collections.OrderedDict(sorted(lessons.items())) return lessons def readScheduleRemote(): import urllib2 try: response = urllib2.urlopen(REMOTE_URL) json_s = response.read() except Exception: return [] try: lessons = json.loads(json_s) except Exception: return [] lessons = collections.OrderedDict(sorted(lessons.items())) return lessons def main(): try: server = HTTPServer(('', 8088), MainRequestHandler) print 'Started httpserver...' server.serve_forever() except KeyboardInterrupt: print '^C received, shutting down server.' server.socket.close() if __name__ == '__main__': main() 

 #!/usr/bin/python # -*- coding: utf-8 -*- import time import threading import json import RPi.GPIO as GPIO from config import * GPIO.setmode(GPIO.BCM) GPIO.setwarnings(False) GPIO.setup(25, GPIO.OUT) GPIO.output(25, False) def read_schedule(): schedule = [] try: f = open(JSON_FILE, 'r') json_s = f.read() f.close() try: json_data = json.loads(json_s) except Exception, e: json_data = [] for lesson in json_data.values(): start = lesson.get('start', False) end = lesson.get('end', False) if start is not False: # print start.split(":") (s_h, s_m) = start.split(":") schedule.append({'h': int(s_h), 'm':int(s_m)}) del s_h del s_m if end is not False: (e_h, e_m) = end.split(":") schedule.append({'h': int(e_h), 'm':int(e_m)}) del e_h del e_m return schedule # schedule except IOError, e: return [] except Exception, e: return [] class Alarm(threading.Thread): def __init__(self): super(Alarm, self).__init__() self.schedule = read_schedule() self.keep_running = True def run(self): try: while self.keep_running: now = time.localtime() for schedule_item in self.schedule: if now.tm_hour == schedule_item['h'] and now.tm_min == schedule_item['m']: print "Ring start..." GPIO.output(25, True) time.sleep(5) print "Ring end..." GPIO.output(25, False) self.schedule = read_schedule() #reload schedule if it was changed time.sleep(55) # more than 1 minute #print "Check at "+str(now.tm_hour)+':'+str(now.tm_min)+':'+str(now.tm_sec) time.sleep(1) except Exception, e: raise e # return def die(self): self.keep_running = False alarm = Alarm() def main(): try: alarm.start() print 'Started daemon...' while True: continue except KeyboardInterrupt: print '^C received, shutting down daemon.' alarm.die() if __name__ == '__main__': main() 

 #!/bin/sh ### BEGIN INIT INFO # Provides: schedule_daemon # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # description: School Ring Schedule daemon # processname: School Ring Schedule daemon ### END INIT INFO export SCHEDULE_ROOT=/home/pi/ring_app export PATH=$PATH:$SCHEDULE_ROOT SERVICE_PID=`ps -ef | grep daemon.py | grep -v grep | awk 'END{print $2}'` usage() { echo "service schedule_daemon {start|stop|status}" exit 0 } case $1 in start) if [ $SERVICE_PID ];then echo "Service is already running. PID: $SERVICE_PID" else $SCHEDULE_ROOT/daemon.py& 2>&1 fi ;; stop) if [ $SERVICE_PID ];then kill -9 $SERVICE_PID else echo "Service is not running" fi ;; status) if [ $SERVICE_PID ];then echo "Running. PID: $SERVICE_PID" else echo "Not running" fi ;; *) usage ;; esac 

 #!/bin/sh ### BEGIN INIT INFO # Provides: schedule_webserver # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # description: School Ring Schedule web-server # processname: School Ring Schedule web-server ### END INIT INFO export SCHEDULE_ROOT=/home/pi/ring_app export PATH=$PATH:$SCHEDULE_ROOT SERVICE_PID=`ps -ef | grep webserver.py | grep -v grep | awk 'END{print $2}'` usage() { echo "service schedule_webserver {start|stop|status}" exit 0 } case $1 in start) if [ $SERVICE_PID ];then echo "Service is already running. PID: $SERVICE_PID" else $SCHEDULE_ROOT/webserver.py& 2>&1 fi ;; stop) if [ $SERVICE_PID ];then kill -9 $SERVICE_PID else echo "Service is not running" fi ;; status) if [ $SERVICE_PID ];then echo "Running. PID: $SERVICE_PID" else echo "Not running" fi ;; *) usage ;; esac 

 #!/bin/sh ### BEGIN INIT INFO # Provides: schedule_daemon_wd # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # description: School Ring Schedule daemon watchdog # processname: School Ring Schedule daemon watchdog ### END INIT INFO export SCHEDULE_ROOT=/home/pi/ring_app export PATH=$PATH:$SCHEDULE_ROOT SERVICE_PID=`ps -ef | grep daemon.py | grep -v grep | awk '{print $2}'` check_service() { if [ -z $SERVICE_PID ];then service schedule_daemon start fi } check_service usage() { echo "schedule_daemon_wd {start|stop|status}" exit 0 } case $1 in start ) if [ $SERVICE_PID ];then echo "schedule_daemon is already running. PID: $SERVICE_PID" else service schedule_daemon start fi ;; stop ) if [ $SERVICE_PID ];then service schedule_daemon stop else echo "schedule_daemon is already stopped" fi ;; status) if [ $SERVICE_PID ];then echo "schedule_daemon is running. PID: $SERVICE_PID" else echo "schedule_daemon is not running" fi ;; *) usage ;; esac 

 #!/bin/sh ### BEGIN INIT INFO # Provides: schedule_webserver_wd # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # description: School Ring Schedule web-server watchdog # processname: School Ring Schedule web-server watchdog ### END INIT INFO export SCHEDULE_ROOT=/home/pi/ring_app export PATH=$PATH:$SCHEDULE_ROOT SERVICE_PID=`ps -ef | grep webserver.py | grep -v grep | awk '{print $2}'` check_service() { if [ -z $SERVICE_PID ];then service schedule_webserver start fi } check_service usage() { echo "schedule_webserver_wd {start|stop|status}" exit 0 } case $1 in start ) if [ $SERVICE_PID ];then echo "schedule_webserver is already running. PID: $SERVICE_PID" else service schedule_webserver start fi ;; stop ) if [ $SERVICE_PID ];then service schedule_webserver stop else echo "schedule_webserver is already stopped" fi ;; status) if [ $SERVICE_PID ];then echo "schedule_webserver is running. PID: $SERVICE_PID" else echo "schedule_webserver is not running" fi ;; *) usage ;; esac 

 #Watchdog tasks * * * * * /etc/init.d/schedule_daemon_wd * * * * * /etc/init.d/schedule_webserver_wd