[argyllcms] Error with new i1 Display Pro revision

  • From: François Simond <color@xxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Fri, 9 Oct 2015 02:29:27 +0200

Hi Graeme and the list!

I'm assisting a friend with his brand new X-Rite i1 DisplayPro, which
has a new revision and firmware.

Product Name: i1Display3
Serial Number: I1-15.B-02
Firmware Version: v2.28
Firmware Date: 29Jan14

ArgyllCMS succeeds at driving it only partially:
spotread 1.8.2 works without trouble except when the colors to read
are very dark, which includes AMOLED panels blacks.

Such attempts fail with the error message:
Got fatal error 'Communication protocol breakdown' (Message from
instrument had bad status code)
The same sensor behaves as expected using X-Rite software.

Attached: verbose debugs logs of spotread readings for a gray and a
black dark enough to trigger the error.


Attachment: i1DisplayPro-Vincent-black-error-debug.txt.gz
Description: GNU Zip compressed data

Attachment: i1DisplayPro-Vincent-gray-okay-debug.txt.gz
Description: GNU Zip compressed data

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