[sane-devel] Plustek OpticPro 1212U / HP ScanJet 4200C

2003-11-28 Thread Gerhard Jaeger
Hi Albert, On Mittwoch, 26. November 2003 12:51, Albert ARIBAUD wrote: [SNIPSNAP] > > I simply turned the IO operations in the parport backend, and hoped, that > > the scanner will work. The major problem is, that the GL640 allows > > various ways on how a parport-ASIC can be connected, and theref

[sane-devel] Plustek OpticPro 1212U / HP ScanJet 4200C

2003-11-26 Thread Albert ARIBAUD
Hi Gerhard, Le mer 26/11/2003 à 11:48, Gerhard Jaeger a écrit : > > So maybe a solution for the OpticPro 1212U would be to i) adapt the > > scanner-specific sequences using traces from Twain scans under windows, > > and ii) integrate the adapted GL640 file with the existing 98003-based > > backen

[sane-devel] Plustek OpticPro 1212U / HP ScanJet 4200C

2003-11-26 Thread Gerhard Jaeger
Hi Albert, On Mittwoch, 26. November 2003 10:23, Albert ARIBAUD wrote: [SNIPSNAP] > I see that the canon fb630u backend is divided in two source files : one > for the backend as such, and one for driving the GL640, providing basic > EPP instructions plus scanner-specific data transfer sequences. M

[sane-devel] Plustek OpticPro 1212U / HP ScanJet 4200C

2003-11-26 Thread Albert ARIBAUD
Hi Gerhard, Le mar 25/11/2003 à 19:01, Jaeger, Gerhard a écrit : > The bridge is GeneSys Logic GL640 chip. > Okay, go on with that - my code here is called u12, and therefore > the backend will be called u12... > Well, probably we should share the code I started with... > I'll try and setup so

[sane-devel] Plustek OpticPro 1212U / HP ScanJet 4200C

2003-11-25 Thread Albert ARIBAUD
Hi, Le mar 25/11/2003 à 19:01, Jaeger, Gerhard a écrit : > The ASIC is from Plustek and has been introduced in the PT12 parallel-port > model, also some Genius Scanner... The bridge is GeneSys Logic GL640 chip. OK, got all the datasheets then (took the 640 out of pure luck). > Well, probably w

[sane-devel] Plustek OpticPro 1212U / HP ScanJet 4200C

2003-11-25 Thread Jaeger, Gerhard
Hi, On Dienstag, 25. November 2003 14:00, Albert ARIBAUD wrote: > Hi, > > The Plustek OpticPro 1212U is currently not supported by SANE. :( yes, that's true ;-) > However, by the looks of the chip numbers, it seems that this scanner > uses a parallel port chip (ASIC 98003) coupled to an USB-to-p

[sane-devel] Plustek OpticPro 1212U / HP ScanJet 4200C

2003-11-25 Thread Albert ARIBAUD
Hi, The Plustek OpticPro 1212U is currently not supported by SANE. :( However, by the looks of the chip numbers, it seems that this scanner uses a parallel port chip (ASIC 98003) coupled to an USB-to-parallel chip (unidentified so far -- I do not have the scanner handy :( but I have all chip numb