STK600 USB not detected by host PC

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My STK600 board was working fine for nearly a week or so and all of a sudden and for no apparent reason ('cos didn't do anything out of the ordinary beyond flash programming ATtiny2313 and all going well) it is no more detected on a USB port by host PC (Windows 7 32-bit). I did some preliminary search of similar problems and the Jungo USB driver came up as the most cited. As some suggested, I tried downgrading the driver to version 9.2 (the latest being 10.1.0) but this hasn't resolved the problem.

What is quite intriguing is that if I set the board into manual boot mode for firmware upgrade of the board (by holding the PROGRAM button and then turning on the POWER switch) then the board is detected on the USB port (and shows up under Device Manager as it should). Now the status LED will flash red/orange as expected and STK600 Upgrade can be executed with success. After this, the status LED would stay red/orange (not flashing but static). In this state, no USB detection exists (and no STK600 under Device Manager) and therefore the board is unusable as it is inaccessible by Avr Studio or by command line programs such as stk600.exe. In short, the communication over USB exists only in boot mode for firmware upgrade.

Since the USB works when the board is forced into firmware upgrade mode, but not beyond, I was wondering if this behaviour has more to do with the firmware itself, such as it being corrupt and therefore not being able to run all of the board's functions.

Apologies for the long prose and here are my questions:
- Has any one come across such a problem with STK600 board and if so is there a solution to it?
- Is there a known procedure or utility to find out if STK600's firmware is OK or not? Is there firmware data that can be used for test purposes (by replacing the standard board firmware).
- Does Windows 7 have a share of the problem with such behavior. I never had a problem the last time I used the same board about a year ago on XP machine.

Further Info: AVR Studio 4.18 SP2; tried ver 9 and latest Jungo USB drivers (bundled with 4.18) as described above.

Dave[/b]

Last Edited: Tue. Dec 1, 2020 - 11:23 AM
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A friend of mine has the same problem, have you resolved it?

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I have the same problem. I have two STK600 boards, somehow I managed to get the first one detected and things went fine for the target voltage setting but the second one is now not getting detected at all. I am stuck. You need the STK600 to be detected by AVR Studio for setting the target voltage and AVR Studio won't see it unless the USB on the laptop detects the board.

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I discovered the source of my problem. I was using the mini USB port on the board. After I changed to the main USB port on the board then things went ok. Now I have another problem, AVR Studio 6 gives me a weird message when I click on the Firmware upgrade selection 'Atmel AVR Firmware Upgrade has stopped working' etc etc. I did a complete uninstall of AVR Studio and then reinstalled version 6 again. No difference same result.

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Hi all,

 

I'm facing the same issue (i.e. the orange LED is always on even after I upgrade the firmware). It seems to me that the firmware is corrupted. I hope there is no hardware issues. Has anyone managed to fix that?

 

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Yank your socket and routing card off of the stk600 and see what happens.

Its possible that something is not seated properly or the avr is gumming things up. By removing the routing and socket cards you have one less piece to troubleshoot

Jim

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Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB, RSLogix user

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As you say I think the manual says that orange means it's still in firmware update mode so sounds like that process is not completing for some reason?