User Tools

Site Tools


motors-scanner-test-1

This is an old revision of the document!



Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"? in /var/www/kucjica/emperors-wiki/inc/parser/handler.php on line 1458

Warning: Declaration of syntax_plugin_wrap_div::handle($match, $state, $pos, Doku_Handler &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /var/www/kucjica/emperors-wiki/lib/plugins/wrap/syntax/div.php on line 14

Warning: Declaration of syntax_plugin_wrap_div::render($mode, Doku_Renderer &$renderer, $indata) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /var/www/kucjica/emperors-wiki/lib/plugins/wrap/syntax/div.php on line 14

Warning: Declaration of syntax_plugin_wrap_closesection::handle($match, $state, $pos, Doku_Handler &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /var/www/kucjica/emperors-wiki/lib/plugins/wrap/syntax/closesection.php on line 0

Warning: Declaration of syntax_plugin_wrap_closesection::render($mode, Doku_Renderer &$renderer, $indata) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /var/www/kucjica/emperors-wiki/lib/plugins/wrap/syntax/closesection.php on line 0

Warning: Declaration of syntax_plugin_wrap_span::handle($match, $state, $pos, Doku_Handler &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /var/www/kucjica/emperors-wiki/lib/plugins/wrap/syntax/span.php on line 0

Warning: Declaration of syntax_plugin_wrap_span::render($mode, Doku_Renderer &$renderer, $indata) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /var/www/kucjica/emperors-wiki/lib/plugins/wrap/syntax/span.php on line 0

Warning: Declaration of syntax_plugin_gallery::handle($match, $state, $pos, &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /var/www/kucjica/emperors-wiki/lib/plugins/gallery/syntax.php on line 0

Warning: Declaration of syntax_plugin_gallery::render($mode, &$R, $data) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /var/www/kucjica/emperors-wiki/lib/plugins/gallery/syntax.php on line 0

Warning: Declaration of syntax_plugin_vshare::handle($match, $state, $pos, &$handler) should be compatible with DokuWiki_Syntax_Plugin::handle($match, $state, $pos, Doku_Handler $handler) in /var/www/kucjica/emperors-wiki/lib/plugins/vshare/syntax.php on line 0

Warning: Declaration of syntax_plugin_vshare::render($mode, &$R, $data) should be compatible with DokuWiki_Syntax_Plugin::render($format, Doku_Renderer $renderer, $data) in /var/www/kucjica/emperors-wiki/lib/plugins/vshare/syntax.php on line 0

Warning: preg_match(): Compilation failed: invalid range in character class at offset 3444 in /var/www/kucjica/emperors-wiki/inc/parser/lexer.php on line 118
A PCRE internal error occured. This might be caused by a faulty plugin

====== salzamt, linz, 11. 09. 2012 ====== airodump-ng is scanning the wifi this code parses the .csv file airodump is writing to and uses the value of '#IV's or the amount of data packets to send positional values to linear actuators. <code python> #!/usr/bin/python # -*- coding: utf-8 -*- import subprocess, glob, time, csv from arduino import Arduino, Servo # scanning part ----------------- # airodump-ng is running and logging the results into a csv file # 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 listlasted=subprocess.Popen("ls -ct1 $HOME/rknfg/*csv | head -1", shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) lasted=listlasted.communicate()[0].strip() print lasted # reading the scan log from a csv file def lookup(dump): 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(' # IV'): data=adict.get(' # IV') return data packets=int(lookup(lasted)) print 'packets', packets # moving part ------------------- portz=glob.glob("/dev/ttyUSB*")[0] #print portz my_board=Arduino(portz) my_board.output([9, 10]) linear_one=my_board.attachServo(9) linear_two=my_board.attachServo(10) # !!!! motors are not in sync!!!! # extreme positions of the motor one and two: # | linear one | # 72 - - - - - - - - - - 139 # | linear two | # 87 - - - - - - - - - - 121 # thus a dictionary of compatible values tupples is used to make sure the two motors are always in the same position positions = {0:[(72,87)],1:[(73,88)],2:[(74,88)],3:[(75,89)],4:[(76,90)],5:[(77,90)],6:[(78,91)],7:[(82,92)],8:[(83,92)],9:[(84,92)],10:[(86,94)],11:[(88,95)],12:[(90,96)],13:[(92,97)],14:[(93,98)],15:[(95,99)],16:[(98,100)],17:[(100,101)],18:[(102,102)],19:[(103,103)],20:[(104,104)],21:[(106,105)],22:[(107,106)],23:[(109,107)],24:[(110,108)],25:[(114,109)],26:[(117,110)],27:[(120,111)],28:[(122,112)],29:[(124,113)],30:[(125,114)],31:[(128,115)],32:[(129,116)],33:[(130,117)],34:[(132,118)],35:[(135,119)],36:[(137,120)],37:[(139,121)]} # the main loop ----------------- # lookup function checks for difference in the number of packets # it sends the motors to a new position accordingly max_pos=len(positions)-1 key_pos=max_pos # put the motors in the minimum position linear_one.write(positions[key_pos][0][0]) linear_two.write(positions[key_pos][0][1]) time.sleep(5) while True: newPackets=int(lookup(lasted)) packetsDiff=newPackets-packets print 'packetsDiff', packetsDiff # decide whether to stretch or shrink (when shrinking the height of the space increases): # case 1: motors will shrink for one position each; the initial key_pos value needs to be bigger than 0 if packetsDiff>=8 and packetsDiff<50 and key_pos>0: new_key=key_pos-1 print 'case 1: new_key=', new_key, 'position:', positions[new_key] #print 'linear1 will shrink',positions[new_key][0][0] #print 'linear2 will shrink',positions[new_key][0][1] #print 'current key_pos: ' + str(new_key) + " .. was oldkey: " + str(key_pos) linear_one.write(positions[new_key][0][0]) time.sleep(0.3) linear_two.write(positions[new_key][0][1]) time.sleep(0.3) key_pos=new_key #update position # case 2: motors will shrink for 5 positions; the initial value must be bigger than 5 elif packetsDiff>=50 and key_pos>0: new_key=key_pos-5 if new_key<=0: print 'case 2: but cannot shrink more' new_key=1 #reset position key_pos=new_key #update position else: print 'case 2: new_key=', new_key, 'position:', positions[new_key] #print 'linear1 will shrink',positions[new_key][0][0] #print 'linear2 will shrink',positions[new_key][0][1] linear_one.write(positions[new_key][0][0]) time.sleep(0.3) linear_two.write(positions[new_key][0][1]) time.sleep(0.3) key_pos=new_key #update position # case 3: motors will stretch for two positions; the initial value must not be bigger than max_pos elif packetsDiff<=0 and key_pos<max_pos: new_key=key_pos+2 if new_key>=max_pos: print 'case 3: but cannot stretch more' new_key=max_pos key_pos=new_key #update position else: print 'case 3: new_key=', new_key, 'position:', positions[new_key] #print 'linear1 will stretch',positions[new_key][0][0] #print 'linear2 will stretch',positions[new_key][0][1] #print 'current key_pos: ' + str(new_key) + " .. was oldkey: " + str(key_pos) linear_one.write(positions[new_key][0][0]) time.sleep(0.3) linear_two.write(positions[new_key][0][1]) time.sleep(0.3) key_pos=new_key #update position else: print "else: packetDiff is too little", packetsDiff new_key=key_pos #print 'nothing changed, will stay in the position', positions[new_key] time.sleep(3) packets=newPackets #updates the packets </code> TODO * positions resolution * main loop flow: first add or first decide on the limit * exceptions, restart....

motors-scanner-test-1.1349548701.txt.gz · Last modified: 2012/10/06 18:38 by 85.218.109.130