Hi Vadim,
Thanks for the patch.
@Allan> Since you're listed as the canon_dr backend's author, can you
take a look at this?
Vadim V. Vlasov writes:
> The patch adds support for batch count by introducing "--batchMode=XX"
> parameter. This works at least with Canon DR-G1100 but may also
> work with other scanners. At least it should not break current
> behaviour (as long as you do not use "--batchMode=XX").
> Note, what you call "SSM2_BUFF_sync" is, probably, page count
> rather than "sync (unbuffered) mode".
>
> diff -rup a/backend/canon_dr.c b/backend/canon_dr.c
> --- a/backend/canon_dr.c 2017-08-09 18:50:33.725500231 +0300
> +++ b/backend/canon_dr.c 2017-08-09 19:16:42.073500044 +0300
> @@ -830,6 +830,7 @@ attach_one (const char *device_name, int
> s->padded_read = global_padded_read;
> s->extra_status = global_extra_status;
> s->duplex_offset = global_duplex_offset;
> + s->batchmode = 1;
>
> /* copy the device name */
> strcpy (s->device_name, device_name);
> @@ -2540,6 +2541,18 @@ sane_get_option_descriptor (SANE_Handle
> opt->cap = SANE_CAP_INACTIVE;
> }
>
> + /*batch count*/
> + if(option==OPT_BATCHMODE){
> + opt->name = "batchMode";
> + opt->title = "Batch count";
> + opt->desc = "Request scanner to batch-scan N pages";
> + opt->type = SANE_TYPE_INT;
> + if (s->has_buffer)
> + opt->cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT |
> SANE_CAP_ADVANCED;
> + else
> + opt->cap = SANE_CAP_INACTIVE;
> + }
> +
> if(option==OPT_SIDE){
> opt->name = "side";
> opt->title = "Duplex side";
> @@ -2914,6 +2927,10 @@ sane_control_option (SANE_Handle handle,
> *val_p = s->buffermode;
> return SANE_STATUS_GOOD;
>
> + case OPT_BATCHMODE:
> + *val_p = s->batchmode;
> + return SANE_STATUS_GOOD;
> +
> case OPT_SIDE:
> *val_p = s->side;
> return SANE_STATUS_GOOD;
> @@ -3235,6 +3252,13 @@ sane_control_option (SANE_Handle handle,
>
> case OPT_BUFFERMODE:
> s->buffermode = val_c;
> + s->batchmode = !s->buffermode;
> + return SANE_STATUS_GOOD;
> +
> + case OPT_BATCHMODE:
> + s->batchmode = val_c;
> + if (val_c != 1)
> + s->buffermode = 1;
> return SANE_STATUS_GOOD;
>
> }
> @@ -3313,7 +3337,7 @@ ssm_buffer (struct scanner *s)
> memset(out,0,outLen);
> set_SSM2_BUFF_unk(out, !s->buffermode);
> set_SSM2_BUFF_unk2(out, 0x40);
> - set_SSM2_BUFF_sync(out, !s->buffermode);
> + set_SSM2_BUFF_sync(out, s->batchmode);
>
> ret = do_cmd (
> s, 1, 0,
> diff -rup a/backend/canon_dr.h b/backend/canon_dr.h
> --- a/backend/canon_dr.h 2017-08-09 18:50:33.725500231 +0300
> +++ b/backend/canon_dr.h 2017-08-09 18:51:07.021500227 +0300
> @@ -48,6 +48,7 @@ enum scanner_Option
> OPT_DROPOUT_COLOR_F,
> OPT_DROPOUT_COLOR_B,
> OPT_BUFFERMODE,
> + OPT_BATCHMODE,
> OPT_SIDE,
>
> /*sensor group*/
> @@ -280,6 +281,7 @@ struct scanner
> int df_thickness;
> int dropout_color[2];
> int buffermode;
> + int batchmode;
> int rollerdeskew;
> int swdeskew;
> int swdespeck;
--
Sent with my mu4e
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