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<!-- received="Wed Jun 3 08:32:46 1998 PDT" -->
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<!-- name="Christian Bucher" -->
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<!-- subject="Re: Epson GT9000" -->
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<title>sane-devel: Re: Epson GT9000</title>
<h1>Re: Epson GT9000</h1>
<b>Christian Bucher</b> (<a href="mailto:bucher@navd.alcatel.de"><i>bucher@navd.alcatel.de</i></a>)<br>
<i>Wed, 03 Jun 1998 14:34:02 +0200</i>
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<p>
Colm Buckley wrote:<br>
<i>&gt; </i><br>
<i>&gt; Hi folks -</i><br>
<i>&gt; </i><br>
<i>&gt; I'd just like to report (I don't know whether this has been done</i><br>
<i>&gt; before), that the sane-epson backend does *not* work with the Epson</i><br>
<i>&gt; GT9000. I have such a scanner, and a good knowledge of C and Unix - is</i><br>
<i>&gt; there any way I can help to get this scanner working with SANE?</i><br>
<i>&gt; </i><br>
<i>&gt; Colm</i><br>
<i>&gt; </i><br>
<i>&gt; --</i><br>
<i>&gt; Colm Buckley B.A. B.F. # Trinity College, Dublin 2, Ireland.</i><br>
<i>&gt; <a href="mailto:colm@tuatha.org">colm@tuatha.org</a> | colm@lspace.org # +353 87 2469146 # whois cb3765</i><br>
<i>&gt; <a href="http://www.tuatha.org/~cbuckley/">http://www.tuatha.org/~cbuckley/</a> # finger <a href="mailto:cbuckley@tuatha.org">cbuckley@tuatha.org</a></i><br>
<i>&gt; Out of my mind. Back in five minutes.</i><br>
<i>&gt; </i><br>
<i>&gt; --</i><br>
<i>&gt; Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a></i><br>
<i>&gt; To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a></i><br>
<p>
<p>
With this patch it should work. Thanks to Colm and Derek for helping.<br>
<p>
<p>
christian<br>
<p>
<p>
<pre>
--
Christian Bucher
<p>
phone: +43 1 5488640
mobil: +43 676 4208334
<p>
<a href="mailto:bucher@navd.alcatel.de">mailto:bucher@navd.alcatel.de</a>
<a href="mailto:cbucher@vernetzt.at">mailto:cbucher@vernetzt.at</a>
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<p>
*** backend/epson.c~ Sat May 9 21:53:44 1998
--- backend/epson.c Wed Jun 3 14:03:31 1998
***************
*** 60,65 ****
--- 60,66 ----
#include &lt;stdio.h&gt;
#include &lt;string.h&gt;
#include &lt;stdlib.h&gt;
+ #include &lt;ctype.h&gt;
#include &lt;sane/sane.h&gt;
#include &lt;sane/saneopts.h&gt;
***************
*** 97,102 ****
--- 98,104 ----
#define EPSON_LEVEL_B1 2
#define EPSON_LEVEL_B2 3
#define EPSON_LEVEL_B3 4
+ #define EPSON_LEVEL_B4 5
#define EPSON_LEVEL_DEFAULT EPSON_LEVEL_B3
***************
*** 130,135 ****
--- 132,139 ----
{"B2", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1}
,
{"B3", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1}
+ ,
+ {"B4", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1}
};
/* TODO: speed */
***************
*** 147,153 ****
cmd[4] = buf_size;
memcpy (cmd + 6, buf, buf_size);
! if (SANE_STATUS_GOOD == (*status = sanei_scsi_cmd (fd, cmd, sizeof (cmd) + buf_size, NULL, NULL)))
return buf_size;
return 0;
--- 151,157 ----
cmd[4] = buf_size;
memcpy (cmd + 6, buf, buf_size);
! if (SANE_STATUS_GOOD == (*status = sanei_scsi_cmd (fd, cmd, 6 + buf_size, NULL, NULL)))
return buf_size;
return 0;
***************
*** 157,162 ****
--- 161,177 ----
send (Epson_Scanner * s, const void *buf, size_t buf_size, SANE_Status * status)
{
+ DBG( 3, "send buf, size = %u\n", buf_size);
+ /*
+ {
+ size_t k;
+ const char * s = buf;
+
+ for( k = 0; k &lt; buf_size; k++) {
+ DBG( 3, "buf[%u] %02x %c\n", k, s[ k], isprint( s[ k]) ? s[ k] : '.');
+ }
+ }
+ */
if (s-&gt;hw-&gt;is_scsi)
{
return scsi_write (s-&gt;fd, buf, buf_size, status);
***************
*** 196,209 ****
static int
receive (Epson_Scanner * s, void *buf, size_t buf_size, SANE_Status * status)
{
if (s-&gt;hw-&gt;is_scsi)
{
! return scsi_read (s-&gt;fd, buf, buf_size, status);
}
else
{
- int n;
if (buf_size == (n = sanei_pio_read (s-&gt;fd, buf, buf_size)))
*status = SANE_STATUS_GOOD;
--- 211,224 ----
static int
receive (Epson_Scanner * s, void *buf, size_t buf_size, SANE_Status * status)
{
+ int n;
if (s-&gt;hw-&gt;is_scsi)
{
! n = scsi_read (s-&gt;fd, buf, buf_size, status);
}
else
{
if (buf_size == (n = sanei_pio_read (s-&gt;fd, buf, buf_size)))
*status = SANE_STATUS_GOOD;
***************
*** 210,220 ****
else
*status = SANE_STATUS_INVAL;
- return n;
}
! /* never reached */
}
static SANE_Status
inquiry (int fd, int page_code, void *buf, size_t * buf_size)
--- 225,245 ----
else
*status = SANE_STATUS_INVAL;
}
! DBG( 3, "receive buf, expected = %u, got = %u\n", buf_size, n);
! /*
! {
! int k;
! const char * s = buf;
!
! for( k = 0; k &lt; n; k++) {
! DBG( 3, "buf[%u] %02x %c\n", k, s[ k], isprint( s[ k]) ? s[ k] : '.');
! }
}
+ */
+ return n;
+ }
static SANE_Status
inquiry (int fd, int page_code, void *buf, size_t * buf_size)
***************
*** 598,612 ****
if (SANE_STATUS_GOOD != *status)
return (EpsonHdr) 0;
! buf = (u_char *) head;
! receive (s, buf, 1, status);
if (SANE_STATUS_GOOD != *status)
return (EpsonHdr) 0;
- buf++;
! DBG (4, "code %02x\n", (int) head-&gt;code);
switch (head-&gt;code)
{
--- 623,643 ----
if (SANE_STATUS_GOOD != *status)
return (EpsonHdr) 0;
! buf = (u_char *) head;
+ if( s-&gt;hw-&gt;is_scsi) {
+ receive (s, buf, 4, status);
+ /* buf += 4;*/
+ } else {
+ receive (s, buf, 1, status);
+ buf += 1;
+ }
+
if (SANE_STATUS_GOOD != *status)
return (EpsonHdr) 0;
! DBG (4, "code 0x%02x\n", (int) head-&gt;code);
switch (head-&gt;code)
{
***************
*** 626,638 ****
break;
case STX:
- receive (s, buf, 3, status);
if (SANE_STATUS_GOOD != *status)
return (EpsonHdr) 0;
- /* buf += 3; */
-
DBG (4, "status %02x\n", (int) head-&gt;status);
DBG (4, "count %d\n", (int) head-&gt;count);
--- 657,673 ----
break;
case STX:
+ if( s-&gt;hw-&gt;is_scsi) {
+ /* nope */
+ } else {
+ receive (s, buf, 3, status);
+ /* buf += 3;*/
+ }
+
if (SANE_STATUS_GOOD != *status)
return (EpsonHdr) 0;
DBG (4, "status %02x\n", (int) head-&gt;status);
DBG (4, "count %d\n", (int) head-&gt;count);
***************
*** 708,721 ****
return status;
}
! if (buf[0] != TYPE_PROCESSOR
! || strncmp (buf + 8, "EPSON", 5) != 0
! || strncmp (buf + 16, "SCANNER ", 8) != 0)
! {
! DBG (1, "attach: device doesn't look like an Epson scanner\n");
! myclose (s);
! return SANE_STATUS_INVAL;
! }
}
else
{
--- 743,758 ----
return status;
}
! if (buf[0] != TYPE_PROCESSOR
! || strncmp (buf + 8, "EPSON", 5) != 0
! || (strncmp (buf + 16, "SCANNER ", 8) != 0 &amp;&amp;
! strncmp (buf + 14, "SCANNER ", 8) != 0))
! {
! DBG (1, "attach: device doesn't look like an Epson scanner\n");
! myclose (s);
! return SANE_STATUS_INVAL;
! }
!
}
else
{
***************
*** 731,752 ****
{
EpsonIdent ident = (EpsonIdent) command (s, "\033I", 2, &amp;status);
! u_char *buf = ident-&gt;buf;
int n, k;
! DBG (1, "type %3c %02x\n", ident-&gt;type, ident-&gt;type);
! DBG (1, "level %3c %02x\n", ident-&gt;level, ident-&gt;level);
s-&gt;hw-&gt;res_list_size = 0;
s-&gt;hw-&gt;res_list = (SANE_Int *) calloc (s-&gt;hw-&gt;res_list_size, sizeof (SANE_Int));
if (NULL == s-&gt;hw-&gt;res_list)
{
! DBG (0, "problem\n");
exit (0);
}
! for (n = ident-&gt;count; n; n -= k, buf += k)
{
switch (*buf)
{
--- 768,794 ----
{
EpsonIdent ident = (EpsonIdent) command (s, "\033I", 2, &amp;status);
! u_char *buf;
int n, k;
! if( NULL == ident) {
! DBG (0, "ident failed\n");
! return status;
! }
+ DBG (1, "type %3c 0x%02x\n", ident-&gt;type, ident-&gt;type);
+ DBG (1, "level %3c 0x%02x\n", ident-&gt;level, ident-&gt;level);
+
s-&gt;hw-&gt;res_list_size = 0;
s-&gt;hw-&gt;res_list = (SANE_Int *) calloc (s-&gt;hw-&gt;res_list_size, sizeof (SANE_Int));
if (NULL == s-&gt;hw-&gt;res_list)
{
! DBG (0, "no mem\n");
exit (0);
}
! for (n = ident-&gt;count, buf = ident-&gt;buf; n; n -= k, buf += k)
{
switch (*buf)
{
***************
*** 759,765 ****
if (NULL == s-&gt;hw-&gt;res_list)
{
! DBG (0, "problem\n");
exit (0);
}
--- 801,807 ----
if (NULL == s-&gt;hw-&gt;res_list)
{
! DBG (0, "no mem\n");
exit (0);
}
<p>
--------------1FBDF1229EF3D4F801326BAC--
<p>
<p>
<pre>
--
Source code, list archive, and docs: <a href="http://www.mostang.com/sane/">http://www.mostang.com/sane/</a>
To unsubscribe: echo unsubscribe sane-devel | mail <a href="mailto:majordomo@mostang.com">majordomo@mostang.com</a>
</pre>
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<li> <b>Previous message:</b> <a href="0018.html">Luca Balzano: "Mustek scanner doesn't work"</a>
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