Author Topic: OHC Resetting  (Read 363 times)

Dasto

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OHC Resetting
« on: May 29, 2017, 12:56:48 PM »
Hello!

I managed to flash my OHC with the latest controller.hex file, as per the instructions [1]. Then I proceeded to flash the first Kilobot with the latest bootloader.hex. The Kilobot flashed green and vibrated then seemed to get stuck. After quite some time I disconnected the Kilobot and it now just sits there blinking green rapidly.

Meanwhile, the OHC is rebooting and I am unable to flash it (see video) [2]. If you can't see the video, what is happening is that one of the green LED's on the OHC flashes every four seconds, and the OHC is re-detected in Device Manager.

Any help would be appreciated.

Thanks,
Daniel


[1] https://kilobots.wordpress.com/2015/04/01/flashing/
[2] https://www.dropbox.com/s/acwl66wdlw4t7ds/OHC%20Reboot.MOV?dl=0

kteam

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Re: OHC Resetting
« Reply #1 on: May 31, 2017, 09:19:25 AM »
Hello,

you have certainly not correctly change the driver with Zadig. Please refer to our procedure to update the Kilobot here:
http://ftp.k-team.com/kilobot/user_manual/kilobot_update.pdf

Best regards
K-Team

Dasto

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Re: OHC Resetting
« Reply #2 on: May 31, 2017, 02:22:57 PM »

The drivers were installed and working, in fact I was able to flash the OHC successfully. Only after the failure to flash the Kilobot did it start to behave this way, and no changes were made to Windows. It was literally a few seconds between unplugging the OHC to plugging it in again.

I tried a new Win7 machine as per your instructions, however as the OHC is in some weird mode, so it is not possible to connect to it as per step 2.

As soon as I plug in the OHC, the lights appear as in my video. The 2 read lights are permanently on, and the green ones flashing. Device Manger is refreshing every 4 seconds. Usually when Device Manager refreshes it's because it detects a new device. In this case, as it refreshes every 4 seconds, it detects the OHC then loses it, detects it, loses it etc. so I presume the OHC is restarting.

What else can I try?

 

kteam

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Re: OHC Resetting
« Reply #3 on: June 01, 2017, 08:30:40 AM »
Have you tried to reflash the OHC using AVRstudio? Normally it solve the problem of corrupted Flash.

But, in your case, if the device manager did not find the AVRispII on the OHC, you won't be able to reflash it.

Try again with AVRstudio, if it doesn't solve the problem, please contact K-Team and return the OHC for repair.

Best regards