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First fare 2010 field connectivity

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First fare 2010 field connectivity

  1. 1. Field Radio
  2. 2. Game Adapter WRT600 WET610N
  3. 3. cRIO
  4. 4. Driver Station
  5. 5. Camera
  6. 6. Driver Station ‘Router’ WRT610N WRT160N
  7. 7. Basic Networking TCP/IP connected devices  Wireless  Wired Parts of an IP config  IP address (  Subnet mask (  Default gateway (  In this example, 10 is network and 15.40.1 is host  If you change the mask to, then 10.15.40 is network and 1 is host  For FIRST, you are basically talking within your own subnet
  8. 8. More Basic Networking Wireless/Radio terminology  Band 5Ghz  Channel 36  SSID 1540  Vlan 1540  Association Basic Tools  Ping is your friend  There are others (ipconfig, tracert, arp, netstat)
  9. 9. Field RadioSSID 1540
  10. 10. Game Adapter10.15.40.1 WRT600
  11. 11. cRIO10.15.40.2
  12. 12. Driver Station10.15.40.5
  13. 13. Driver Station ‘Router’ WRT160N `
  14. 14. LAB Connectivity Driver Station cRio OR Driver Station Router Driver Station Gaming Adapter cRio
  15. 15. FIELD Connectivity Field networking equipment Field Radio Driver Station Gaming Adapter cRio
  16. 16. FIELD Connectivity FMS tells the router and field radio to set up the field for team 1540  Field Radio broadcasts SSID 1540  Vlan 1540 is ready to talk to devices with 10.15.40.x addresses  Ditto for the other 5 teams on the field Traffic from the DS goes to the field networking equipment via ethernet connection, out field radio to GA on robot, through ethernet to cRio Traffic from the cRio goes through ethernet to GA, over wireless SSID to field radio, back to field network gear and DS through ethernet Ditto for the other 5 teams on the field….
  17. 17. Avoiding “No Comms” Devise pre and post match checks for your robots and then DO them consistently ;-) Don’t monkey with the network settings on your devices – set them up as instructed in the FIRST documentation OR at the advice of FTA Keep your DS Operating System clean. Malware can impact your ability to effectively talk on a network
  18. 18. Avoiding “No Comms” Make sure you have good, solid power to GA and cRio (as in, no loose cables) Make sure you have nice, solid ethernet to cRio and DS  No loose cables (robot gets banged around…)  No bad spring pins  No junk in the interface ports  Be friendly to the classmate ethernet jack
  19. 19. Avoiding “No Comms” Location, location, location ;-) Mount the GA someplace happy.  Pay attention to that cute little reset button  Bumps!  “damped, non oscillary mount”  You need quick access to GA and cRio on the field
  20. 20. Avoiding “No Comms” Location, location, location ;-) Wireless communication is inherently moody – there are boatloads of things that affect it, and we can’t SEE any of them with our eyes...  No conductive surfaces  Static!  Orientation of internal antenna…  Don’t bury the GA deep in the robot  Don’t encase in metal or other things that interfere with radio waves  Avoid polycarb ;-)  Avoid high EM fields (translate: Motors, power lines)  Avoid faraday cages (steel frames ;-))
  21. 21. Avoiding “No Comms” Boot sequence on the field  Come to the field with your DS and Robot off  Wait for your team # on the display  Boot up DS, login as driver and wait for happy green lights on DS  Power up robot  Smile, and have a good match The FTA is your friend ;-)
  22. 22. Thanks for staying awake! Questions? http://www.linksysbycisco.com/EU/en/products/WET610N http://www.linksysbycisco.com/UK/en/support/WRT160N http://www.linksysbycisco.com/UK/en/support/WRT610N https://homesupport.cisco.com/en-us/wireless/lbc/WGA600N