Epson GT9500 on AIX 4.2.1

Holger Frahm (frahm@itp.uni-hannover.de)
Mon, 29 Jun 1998 17:24:47 +0200 (CEST)

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We managed to get the sane-epson library of sane-0.73 to work for an
Epson GT9500 scanner on AIX 4.2.1 with
CC=cc ./configure --disable-shared
using the patch appended.

(Note that this _includes_ a patch by Christian Bucher for a GT9000
which has been posted earlier this month).

-- 
Holger Frahm                             email: frahm@itp.uni-hannover.de
                               WWW: http://www.itp.uni-hannover.de/~frahm
                       Phone: +49 (511) 762-2234, FAX: +49 (511) 762-3023

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*** backend/epson.c.orig Mon Jun 29 17:01:22 1998 --- backend/epson.c Mon Jun 29 17:14:30 1998 *************** *** 60,65 **** --- 60,66 ---- #include <stdio.h> #include <string.h> #include <stdlib.h> + #include <ctype.h> #include <sane/sane.h> #include <sane/saneopts.h> *************** *** 97,102 **** --- 98,106 ---- #define EPSON_LEVEL_B1 2 #define EPSON_LEVEL_B2 3 #define EPSON_LEVEL_B3 4 + #define EPSON_LEVEL_B4 5 + #define EPSON_LEVEL_B5 6 + #define EPSON_LEVEL_B6 7 #define EPSON_LEVEL_DEFAULT EPSON_LEVEL_B3 *************** *** 130,135 **** --- 134,145 ---- {"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} + , + {"B5", 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1} + , + {"B6", 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; --- 157,163 ---- 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 **** --- 167,183 ---- 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 < buf_size; k++) { + DBG( 3, "buf[%u] %02x %c\n", k, s[ k], isprint( s[ k]) ? s[ k] : '.'); + } + } + */ if (s->hw->is_scsi) { return scsi_write (s->fd, buf, buf_size, status); *************** *** 196,209 **** static int receive (Epson_Scanner * s, void *buf, size_t buf_size, SANE_Status * status) { if (s->hw->is_scsi) { ! return scsi_read (s->fd, buf, buf_size, status); } else { - int n; if (buf_size == (n = sanei_pio_read (s->fd, buf, buf_size))) *status = SANE_STATUS_GOOD; --- 217,230 ---- static int receive (Epson_Scanner * s, void *buf, size_t buf_size, SANE_Status * status) { + int n; if (s->hw->is_scsi) { ! n = scsi_read (s->fd, buf, buf_size, status); } else { if (buf_size == (n = sanei_pio_read (s->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) --- 231,251 ---- 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 < 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) *************** *** 557,563 **** u_char status; u_short count; ! u_char buf[0]; } EpsonHdrRec, *EpsonHdr; --- 588,594 ---- u_char status; u_short count; ! u_char buf[1]; } EpsonHdrRec, *EpsonHdr; *************** *** 571,577 **** u_char type; u_char level; ! u_char buf[0]; } EpsonIdentRec, *EpsonIdent; --- 602,608 ---- u_char type; u_char level; ! u_char buf[1]; } EpsonIdentRec, *EpsonIdent; *************** *** 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->code); switch (head->code) { --- 629,649 ---- if (SANE_STATUS_GOOD != *status) return (EpsonHdr) 0; ! buf = (u_char *) head; + if( s->hw->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->code); switch (head->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->status); DBG (4, "count %d\n", (int) head->count); --- 663,679 ---- break; case STX: + if( s->hw->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->status); DBG (4, "count %d\n", (int) head->count); *************** *** 709,721 **** } 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 { --- 750,764 ---- } if (buf[0] != TYPE_PROCESSOR ! || strncmp (buf + 8, "EPSON", 5) != 0 ! || (strncmp (buf + 16, "SCANNER ", 8) != 0 && ! 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, &status); ! u_char *buf = ident->buf; int n, k; ! DBG (1, "type %3c %02x\n", ident->type, ident->type); ! DBG (1, "level %3c %02x\n", ident->level, ident->level); ! s->hw->res_list_size = 0; s->hw->res_list = (SANE_Int *) calloc (s->hw->res_list_size, sizeof (SANE_Int)); if (NULL == s->hw->res_list) { ! DBG (0, "problem\n"); exit (0); } ! for (n = ident->count; n; n -= k, buf += k) { switch (*buf) { --- 774,801 ---- { EpsonIdent ident = (EpsonIdent) command (s, "\033I", 2, &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->type, ident->type); ! DBG (1, "level %3c 0x%02x\n", ident->level, ident->level); ! /* HF s->hw->res_list_size = 0; */ ! s->hw->res_list_size = 1; s->hw->res_list = (SANE_Int *) calloc (s->hw->res_list_size, sizeof (SANE_Int)); if (NULL == s->hw->res_list) { ! DBG (0, "no mem\n"); exit (0); } ! for (n = ident->count, buf = ident->buf; n; n -= k, buf += k) { switch (*buf) { *************** *** 759,765 **** if (NULL == s->hw->res_list) { ! DBG (0, "problem\n"); exit (0); } --- 808,814 ---- if (NULL == s->hw->res_list) { ! DBG (0, "no mem\n"); exit (0); }

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