[sane-devel] Re: updated Fujitsu SANE backend

[Charles Duffy]

Charles Duffy wrote:
> One regression: Button detection no longer works. I can switch between 
> the two drivers -- startbutton follows whether the "scan" button is 
> pressed on the original driver but not the experimental one.

Looking at the logs with SANE_DEBUG_FUJITSU=255:

We have found 1 buttons!
[fujitsu] sane_get_option_descriptor: "button"
[fujitsu] sane_control_option: get value "button"
[fujitsu]       cap = 4
[fujitsu] get_hardware_status
[fujitsu] get_hardware_status
[fujitsu] 000: c2 00 00 00 00 00 00 00 0a 00
[fujitsu] cmd >>
[fujitsu] 000: c2 00 00 00 00 00 00 00 0a 00
[fujitsu] usb_cmd >>
[fujitsu] 000: 43 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[fujitsu] 010: 00 00 00 c2 00 00 00 00 00 00 00 0a 00 00 00
[fujitsu] writing 31 bytes
[fujitsu] wrote 31 bytes
[fujitsu] cmdRetVal: 4
[fujitsu] ERROR!
button 0:BOOL: 0