[sane-devel] 7400c USB/scsi dump

2002-04-23 Thread Henning Meier-Geinitz
Hi, On Tue, Apr 23, 2002 at 10:29:13AM -0400, Srinivas Digumarty wrote: > I may just edit the sg driver and place a few printk statements to see > what the buffers hold on read and writes. I did this some time ago to check what the mustek backend really sends to the scanner. It's not very clean b

[sane-devel] 7400c USB/scsi dump

2002-04-23 Thread Srinivas Digumarty
Hi Rene I sort of tried reading 16 bit calibration information from the scanner with no real success, I did this in a bit of a hurry so will attempt it again. As for the scsi-debugging, I know of scsi logging that you can enable via the proc filesystem, is the scsi debugging the same? I may just e

[sane-devel] 7400c USB/scsi dump

2002-04-23 Thread Rene Rebe
Hi. Another possibility is, that we have to read the image data in a different way for this scanner, maybe in some raw mode reading 16bit data. It might be possible to use the scsi-debugging in the linux kernel to i.e. get the data vuescan sends ... (Untested) On: 21 Apr 2002 09:54:59 -0400,

[sane-devel] 7400c USB/scsi dump

2002-04-21 Thread Srinivas Digumarty
Hello everyone, I am currently trying to work on the scanner calibration in regard to the HP scanjet 7400c. I am using the avision backend from rene rebe. If any one has any information, especially an USB or scsi dump (actual commands sent to scanner), this may be helpful. The only snoop applicat