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pi.py
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pi.py
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import RPi.GPIO as GPIO
import time
from time import sleep
import face_recognition
from os import system
import database
lift1=[3,5,7,11]
lift2=[13,15,19,21]
cur_floor_lift1=1
cur_floor_lift2=1
def on(pin):
GPIO.output(pin,GPIO.HIGH)
def off(pin):
GPIO.output(pin,GPIO.LOW)
def close_all():
off(lift1[0])
off(lift2[0])
off(lift1[1])
off(lift2[1])
off(lift1[2])
off(lift2[2])
off(lift1[3])
off(lift2[3])
def initialise():
on(lift1[0])
on(lift2[0])
def move_lift1(cur_floor_lift1,target_floor):
if cur_floor_lift1==target_floor:
return
if cur_floor_lift1<target_floor:
dir=1
else:
dir=-1
for i in range(cur_floor_lift1,target_floor,dir):
off(lift1[i-1])
# sleep(2)
print "Lift 1 :" +str(i+dir)
on(lift1[i+dir-1])
cur_floor_lift1=i+dir
sleep(3)
return cur_floor_lift1
def move_lift2(cur_floor_lift2,target_floor):
if cur_floor_lift2 == target_floor:
return
if cur_floor_lift2 < target_floor:
dir = 1
else:
dir = -1
for i in range(cur_floor_lift2, target_floor, dir):
off(lift2[i - 1])
print "Lift 2 :" + str(i + dir)
on(lift2[i + dir - 1])
cur_floor_lift2=i+dir
sleep(3)
return cur_floor_lift2
# to use Raspberry Pi board pin numbers
GPIO.setmode(GPIO.BOARD)
# stop warnings
GPIO.setwarnings(False)
# set up GPIO output channel
GPIO.setup(3, GPIO.OUT)
GPIO.setup(5, GPIO.OUT)
GPIO.setup(7, GPIO.OUT)
GPIO.setup(11, GPIO.OUT)
GPIO.setup(13, GPIO.OUT)
GPIO.setup(15, GPIO.OUT)
GPIO.setup(19, GPIO.OUT)
GPIO.setup(21, GPIO.OUT)
close_all()
initialise()
while(1):
system("raspistill -o Img.png")
user=face_recognition.recognize("Img.png")
if user==-2:
print "LIFT is Idle No face Detected"
continue
entry=int(raw_input("Enter Current Floor No :"))
if user==-1:
# print "AAya"
exit=int(raw_input("Enter Destination :"))
user=int(time.time())
database.insert(user,entry,exit)
if abs(entry-cur_floor_lift1)<abs(entry-cur_floor_lift2):
cur_floor_lift1= move_lift1(cur_floor_lift1,entry)
cur_floor_lift1= move_lift1(entry,exit)
else:
cur_floor_lift2= move_lift2(cur_floor_lift2,entry)
cur_floor_lift2= move_lift2(entry,exit)
face_recognition.post("Img.png",user)
elif database.find(user,entry)==-1:
# print "Pss"
exit = int(raw_input("Enter Destination :"))
database.insert(user, entry, exit)
if abs(entry - cur_floor_lift1) < abs(entry - cur_floor_lift2):
cur_floor_lift1= move_lift1(cur_floor_lift1,entry)
cur_floor_lift1= move_lift1(entry,exit)
else:
cur_floor_lift2= move_lift2(cur_floor_lift2,entry)
cur_floor_lift2= move_lift2(entry,exit)
else:
exit=database.find(user,entry)
if abs(entry - cur_floor_lift1) < abs(entry - cur_floor_lift2):
cur_floor_lift1= move_lift1(cur_floor_lift1,entry)
cur_floor_lift1= move_lift1(entry,exit)
else:
cur_floor_lift2= move_lift2(cur_floor_lift2,entry)
cur_floor_lift2= move_lift2(entry,exit)