CC Debugger // Need replacement ASAP

[Dominic Tancredi]

Hi NYC Resistors,

We accidentally erased the memory on our CC Debugger and need a replacement to "resurrect" it. Been scrambling online to find a hardware electronics place and can't find any that carry it.

Do you folks have one or know where to get this type of electronic part? Could you contact me at dominic....@gmail.com? We can swing to Brooklyn and are in Manhattan.

We're working on it for a project and it's very urgent.

Relevant links on the issue:
http://e2e.ti.com/support/wireless_connectivity/f/155/t/115507

Section 8.4: http://www.ti.com/lit/ug/swru197h/swru197h.pdf

[Matt Joyce]

I don't believe we have one of these specifically at NYC Resistor.  We do have a bus pirate if that helps.

-matt

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[Chris Stratton]

Alas the ones I used to have are at a previous employer.  The protocol is published - I got as far as reading out a chip id from a cc2540 with an arm cortex on the same board, though some sticking point prevented figuring out programming in the available time I could sink into it on a project where co-programming would have been nice but unecessary.

[James Marquardt]

I left you a message in your other thread on how you can get the unit to only accept a firmware upgrade through USB.  Unless you really screwed the unit, you should be able to get some firmware into the unit and get back to your project.

JIm

[Dominic Tancredi]

Damn. 

@Matt: I'm not sure what a bus pirate is... I'm assuming you mean something like this: http://www.ti.com/product/sn74hc244

@Chris: I'm a software//application developer, so the hardware stuff is readable but can be difficult. There's a published schematic that says I could use that sn74hc244 to configure a CC Debugger Flasher using LPT http://puu.sh/gJOvW/22e048cacc.png But I would need a few parts (including the above bus pirate I assume?)

The guide says we could also use a SmartRF05EB. Don't suppose you (or anyone on the list) has one of these?

Thanks, I really appreciate your insight + help.

Dom Tancredi | Partner

DOM & TOM

A 2014 Inc. 500 Fastest Growing Company

55 Broadway, 7th Floor, New York, NY 10006

Office: 646 741 5043 | Mobile: 718.431.5137

d...@domandtom.com | domandtom.com

[Dominic Tancredi]

Thanks Jim,

I read that manual and section 8.4 for resurrecting says I need either another CC Debugger or a SmartRF05EB 

I'm re-reading but am I missing something?

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[James Marquardt]

Look in section 8.3, FORCED BOOT RECOVERY MODE.  It essentially allows you to get the unit into the root bootloader and then you can put new firmware in it using the procedures outlined in the beginning of the chapter.  Again, this is provided you have not hosed the device entirely.  It looks like as long as you get the blinking RED LED when you short the two points together and power it up, you can re program it with fresh firmware.

The last line in section 8.3 states:
"

Please also note that the boot recovery mode can be used as a check to ver

ify that the bootloader on

the debugger is working."

Jim

On Saturday, March 21, 2015 at 4:04:43 PM UTC-4, Dominic Tancredi wrote:

[Dominic Tancredi]

Thanks Jim.

I think we're dealing with an "amber" light, meaning resurrecting is the only option. We fast-shipped 2 CC Debugger replacements, one to repair and to keep as spares.

I'll try shorting the pins to see if we can get to root bootloader. Good call. 

Also, if the NYC Resistors want one of the three I'll have after this project, we can donate it (just in case someone in the community needs it).

Dom Tancredi | Partner

DOM & TOM

A 2014 Inc. 500 Fastest Growing Company

55 Broadway, 7th Floor, New York, NY 10006

Office: 646 741 5043 | Mobile: 718.431.5137

d...@domandtom.com | domandtom.com

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