[sane-devel] Canon LIDE 220

[stef]

On 01/07/2015 19:23, John Weber wrote:
>
>
> On 06/29/2015 01:57 PM, Stef wrote:
>
>>      Hello,
>>
>>      I was expecting something like that.
>>
>>      All DBG_io2 a mere traces, and I don't see how much they slow down
>> things. Since I don't have this kind of problem on my hardware, I need
>> your help. I don't see no other approach than trial and error.
>>
>>      1 - compile sources
>>      2 - set logs to 7
>>      3 - check that scanner is working with compiled sources and the log
>> level
>>      4 - change a line where there is DBG_io2 level in DBG_data so it
>> isn't traced any more, write down the line number
>>      5 - compile and run, if it is still working, go to step 4 and
>> change one more debug trace
>>      6 - since it isn't working anymore, you have find where a pause
>> must be set, please send it to me
>
> Hi Stef,
>
> Your more precise instructions including the "runit" script got me 
> through step 3. I confirmed that it's broken with logs at 6 and works 
> with logs at 7. Now I'm stuck at step 4. What file contains the lines 
> to be changed? I grepped and found several files that contain these 
> strings. I guess I need more precise instructions, but I'm confident I 
> can follow them.
>
> jweber at Dindi:sane-backends$ egrep -rl "DBG_data|DBG_io2" *
> backend/p5.c
> backend/genesys_gl846.c
> backend/genesys_low.c
> backend/rts88xx_lib.h
> backend/genesys_gl843.c
> backend/genesys_conv.c
> backend/genesys_gl646.c
> backend/rts8891_low.c
> backend/genesys_low.h
> backend/genesys_gl841.c
> backend/genesys_gl124.c
> backend/rts8891_low.h
> backend/rts8891.c
> backend/genesys.c
> backend/p5_device.c
> backend/genesys_gl847.c
> backend/p5_device.h
> backend/rts88xx_lib.c
>
> Thanks,
> John

     Hello,

     the file to modify is backend/genesys_low.c

     For instance, line 251 turn :
DBG( DBG_io2, "sanei_genesys_read_hregister(0x%02x)=0x%02x\n",reg,*val);

into:
DBG( DBG_data, "sanei_genesys_read_hregister(0x%02x)=0x%02x\n",reg,*val);



Regards,
     Stef