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Troubleshooting the Control System
System Overview
Updating and Managing
Programming
Useful Links
Operating System Changelog
Version 1.1.2 - Latest Version
When using OS 1.1.2 the Control Hub operates by defaults to the 5Ghz band. To switch to the 2.4 Ghz band without the REV Hardware Client, see the Resetting the Wi-Fi Network section.
- Adds support for Auto Channel Selection, where the Control Hub will pick the least busy Wi-Fi channel on the selected Wi-Fi band when it starts up
- Migrates all users to Auto Channel Selection on the 5 GHz band by default.
- If you find that you are unable to connect to the Control Hub after updating, you should perform a Wi-Fi Factory Reset by holding down the Control Hub's button as it boots, until you see a colorful light sequence. That will reset the Wi-Fi settings and switch to the 2.4 GHz Wi-Fi band.
- Allows switching the Wi-Fi band between 2.4 GHz and 5 GHz by holding down the Control Hub's button when the hub has been booted for at least 20 seconds
- If version 5.5 or later of the Robot Controller app is installed, the Control Hub's light will blink magenta when the band is switched to 5 GHz, or yellow when the band is switched to 2.4 GHz.
- Continuously monitors the Wi-Fi access point status, and will attempt to restart it if it goes down for any reason
- Continuously monitors the Robot Controller app, and restarts it if it crashes or hangs (requires version 6.1 or later of the Robot Controller app)
- Allows the Robot Controller app to access the current Wi-Fi band and channel
- Always backs up the FTC Robot Controller app data before it is uninstalled, in order to preserve Wi-Fi settings
- Improves Wi-Fi reliability
- Prevents issue that could cause device to boot into recovery mode
- Enables use of mouse button in recovery mode
Version 1.1.1
- Fixed bug where Wi-Fi access point would sometimes fail to start after an Operating System update
- Stopped the FtcAccessPointService UI auto-starting on boot
- Allowed Wi-Fi beacon rate to be changed by the FTC Robot Controller app
Version 1.1.0
- Improved reliability of making changes to Wi-Fi access point settings
- Updated to latest Realtek Wi-Fi driver
- Increased Wi-Fi beacon rate to 6mbps, which reduces congestion when many Control Hubs are being used in an area
- Enabled 802.11w, which prevents Wi-Fi deauthentication attacks when the Control Hub is used with a client device that also supports 802.11w
- Added WifiLog.txt file for debugging and disconnection analysis
- Improved reliability of FtcAccessPointService UI (accessed through an HDMI monitor)
- Added 5 GHz channels to FtcAccessPointService UI
- Ensured app data is not lost when installing a Robot Controller with a different signature via the Manage webpage
- Fixed issue where Wi-Fi SSID would sometimes be AndroidAP
Source Files for Control Hub OS:
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