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--- quadricone-python-urbaines [2013/03/14 01:46]
199.33.126.36 FhdwlOJStHb
+++ quadricone-python-urbaines [2013/04/22 17:09]
zoza old revision restored
@@ Line 1: / Line 1: @@
-R9wkXN  <a href="http://xavvxvhqafpg.com/">xavvxvhqafpg</a>
+====== quadricone urbaines py ======
+<code python>
+import serial, subprocess, glob, time, csv, random
+### assign arduino's serial port
+usbport=glob.glob("/dev/tty*")[0]
+### set up serial baud rate
+ser = serial.Serial(usbport, 9600, timeout=1)
+### the moving part -------------------
+class Servo:
+    def __init__(self, servoID):
+        self.servoID=servoID
+        self.stop() # when initiated, stop!
+    def move(self, speed):
+        self.speed=speed
+        if (0 <= self.speed <= 180):
+            ser.write(chr(255))
+            ser.write(chr(self.servoID))
+            ser.write(chr(self.speed))
+        else:
+            print "Servo position must be an integer between 0 and 180.\n"
+    def stop(self):
+        self.move(90)
+        print "stop"
+    def down_slow(self):
+        self.move(100)
+        print "down slow"
+    def down(self):
+        self.move(120)
+        print "down"
+    def up(self):
+        self.move(80)
+        print "up"
+## initiate the morots and put them all in the STOP (90) position
+## alternative
+Servos = ["raja","gaja","vlaja", "zlaja"]
+for i,servo in enumerate(Servos):
+    globals()[servo]=Servo(i+1)
+    globals()[servo].stop()
+random.shuffle(Servos)
+how_many_times = [0, 0, 0, 0]
+### the scanning part -----------------
+# airodump-ng is running and logging the results into a csv file
+# with the following command: sudo airodump-ng -o csv -w manuf mon0
+# subprocess looks for the last edited csv file in current folder
+# this file is parsed by the csv module to find the number of data packets that have passed through the network since the last check
+csvs=subprocess.Popen("ls -t1 *csv | head -1", shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+csv_last=csvs.communicate()[0].strip()
+key_value=(' # IV') # look up this value in the scan dump
+def lookup(dump):
+    datas=[]
+    results=[]
+    scan=open(dump, "rU")
+    next(scan)
+    scanDict=csv.DictReader((line.replace('\0','') for line in scan), delimiter=',')
+    for adict in scanDict:
+        if adict.has_key(key_value) and adict.get(key_value)!=None:
+            try:
+                datas.append(int(adict.get(key_value)))
+            except:
+                pass
+    datas.sort(reverse=True)
+    for i in range(4):
+        results.append(datas[i])
+    return results
+### the main loop ----------------------
+packet_list=lookup(csv_last)
+print 'packet_list', packet_list
+#print 'servo_list', servo_list
+time.sleep(3)
+while True:
+    new_packet_list=lookup(csv_last)
+    print "////////////////////////"
+    print " "
+    print 'new_packet_list', new_packet_list
+    print 'calculating the movements...'
+    for i,servo in enumerate(Servos):
+        print 'servo', servo
+        packet_diff=new_packet_list[i]-packet_list[i]
+        print 'packet_diff:', packet_diff
+        if packet_diff==0:
+            print 'packetdiff:', packet_diff, '; go back up'
+            globals()[servo].stop()
+            time.sleep(0.3)
+            globals()[servo].stop()
+        elif 0 < packet_diff < 7:
+            if how_many_times[i]<=6:
+                print 'packetdiff:', packet_diff, '; up, little'
+                globals()[servo].down_slow()
+                time.sleep(0.5)
+                globals()[servo].stop()
+                how_many_times[i]+=0.5
+            else:
+                globals()[servo].stop()
+                time.sleep(0.3)
+                how_many_times[i]-=2
+        elif 40 > packet_diff >= 7:
+            if how_many_times[i]<=6:
+                print 'packetdiff:', packet_diff, '; down, little'
+                globals()[servo].down()
+                time.sleep(0.5)
+                globals()[servo].stop()
+                how_many_times[i]+=0.5
+            else:
+                globals()[servo].stop()
+                time.sleep(0.3)
+                how_many_times[i]-=2
+        elif 90 > packet_diff >= 40:
+            if how_many_times[i]<=6:
+                print 'packetdiff:', packet_diff, '; go down, 2'
+                globals()[servo].down()
+                time.sleep(1)
+                globals()[servo].stop()
+                how_many_times[i]+=1
+            else:
+                globals()[servo].stop()
+                time.sleep(0.3)
+                how_many_times[i]-=2
+        elif 130 > packet_diff >= 90:
+            if how_many_times[i]<=6:
+                print 'packetdiff:', packet_diff, '; go down, 3'
+                globals()[servo].down()
+                time.sleep(1.5)
+                globals()[servo].stop()
+                how_many_times[i]+=1.5
+            else:
+                globals()[servo].stop()
+                time.sleep(0.3)
+                how_many_times[i]-=2
+        elif packet_diff >= 130:
+            print 'packetdiff:', packet_diff, '; go down, 4'
+            globals()[servo].down()
+            time.sleep(2)
+            globals()[servo].stop()
+            how_many_times[i]+=2
+    packet_list=new_packet_list # update packet list
+    print "how many times?", how_many_times
+    time.sleep(1)
+</code>

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