On May 22, 2012, at 11:14 , Xiaofan Chen wrote:

> 1) Try 4.34 release and later versions to establish which version works
> and which FW version does not work with OpenOCD.

as already reported, 4.42c works, 4.44 doesn't, and probably none up to 4.46f

> 2) Reverse engineering, compare the Segger tools and OpenOCD

I would run a usbmon log comparison between 4.42c and 4.46f, for the latest 
Segger software, to check if there are any changes in the protocol.

I don't expect major changes, but if there are, then at least I'll have an well 
documented reason to contact Segger.

if not, I'll check the OpenOCD sources, and compare the actual protocol with 
the one specified in the manual.

any other ideas are welcome!


Liviu


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