Re: [sane-devel] Help decoding Minolta Dimage Scan Dual II USB protocol

2022-11-23 Thread Giovanni Cappellotto
> > Sure, generate a diag log and send it to us. We might be able to figure > out what is going on. I would certainly look at the forking issue and try > the fix that was suggested in the link I provided. From what I gather, > process forking is like kryptonite to libusb. Threading is a better

Re: [sane-devel] Help decoding Minolta Dimage Scan Dual II USB protocol

2022-11-23 Thread Ralph Little
Hi, On Wed, Nov 23, 2022 at 10:18 AM Giovanni Cappellotto wrote: > You’re right, I was using avision. > > Thanks for the suggestion, I guess I could try that. > > Last time I was hacking the avision backed, I remember the source code had > a lot of additional complexity because it was

Re: [sane-devel] Help decoding Minolta Dimage Scan Dual II USB protocol

2022-11-23 Thread Giovanni Cappellotto
You’re right, I was using avision. Thanks for the suggestion, I guess I could try that. Last time I was hacking the avision backed, I remember the source code had a lot of additional complexity because it was supporting tens of different scanners. Supposedly some changes for supporting a

Re: [sane-devel] Help decoding Minolta Dimage Scan Dual II USB protocol

2022-11-23 Thread Ralph Little
Hi, On Wed, Nov 23, 2022 at 6:31 AM Giovanni Cappellotto wrote: > Hello, > > In 2017 I used sane on Mac OS X to scan films using a Minolta Dimage Scan > Dual II. When I used sane again in 2020 it didn't work anymore. I tried to > contribute to the project to fix the backend for my scanner. I