Stumped on getting the XTAG2 to talk to a L1-128 processor

Technical discussions around xCORE processors (e.g. xcore-200 & xcore.ai).
ale500
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Post by ale500 »

OT: That microscope look quite nice... I wonder if it is sold here in Germany, I found some other similar ones... time for an upgrade!


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leon_heller
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Post by leon_heller »

It's obviously made in China, you should be able to find one like it.
ale500
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Post by ale500 »

Trying to bring my XS1-L128 board to life I discover that xrun does not detect my XTAG.... I remember I tested it and it was recognized... now I just get an empty device list (should it show up ?)..
On Mac OSX (11.2.2) I get an empty device list
Winblows 7 (x64) I get "Error: cannot find xgdb_dev_getDeviceInfo in xdbg_api.dll

I can program my XC-1 from the XDE (Windows) without problems, just the command line does not want to cooperate,

any ideas ?
ale500
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Post by ale500 »

Windows reporting a dll error is "solved" when running the xrun from the directory containing xgdb_api.dll... probably there is somewhere another one :(

Still says no device found :(
ale500
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Post by ale500 »

The XTAG-2 does not seem to be recognized if plugged into a USB3 port, but works on a USB2 (Windows), no idea why it does not work on Mac OSX... one is one.
ale500
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Post by ale500 »

YES !! It works !!!!!!!!!!! The XSMB works !!
At least the core is recognized !!!!

I had to power first my board and then plug the XTAG-2...

Code: Select all

  ID  Name         Adapter ID   Devices
  --  ----         ----------   -------
  0   XMOS XTAG-2  4af8acad     L1[0]
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rp181
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Post by rp181 »

If anyone is following, I got the chaining to work. Turns out I had a poorly soldered buffer (oddly on the TMS line...), and found it when my scope probe connected it.