2002-12-04 17:33:46 +00:00
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#ifdef _AIX
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# include "../include/lalloca.h" /* MUST come first for AIX! */
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#endif
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#include "../include/sane/config.h"
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2002-09-01 11:48:06 +00:00
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#include <sane/sanei_debug.h>
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#include <sane/sanei_scsi.h>
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#include "epson_scsi.h"
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2002-09-02 01:10:18 +00:00
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#include "../include/lalloca.h"
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2002-09-01 11:48:06 +00:00
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#ifdef HAVE_STDDEF_H
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#include <stddef.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef NEED_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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2003-08-22 12:17:18 +00:00
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#include <string.h> /* for memset and memcpy */
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2002-09-01 11:48:06 +00:00
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#include <stdio.h>
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/*
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* sense handler for the sanei_scsi_XXX comands
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*/
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SANE_Status
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sanei_epson_scsi_sense_handler(int scsi_fd, u_char *result, void *arg)
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{
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/* to get rid of warnings */
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scsi_fd = scsi_fd;
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arg = arg;
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if (result[0] && result[0]!=0x70)
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{
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DBG (2, "sense_handler() : sense code = 0x%02x\n", result[0]);
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return SANE_STATUS_IO_ERROR;
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}
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else
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{
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return SANE_STATUS_GOOD;
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}
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}
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/*
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*
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*
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*/
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SANE_Status
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sanei_epson_scsi_inquiry(int fd, int page_code, void * buf, size_t * buf_size)
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{
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u_char cmd [ 6];
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int status;
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memset( cmd, 0, 6);
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cmd[ 0] = INQUIRY_COMMAND;
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cmd[ 2] = page_code;
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cmd[ 4] = *buf_size > 255 ? 255 : *buf_size;
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status = sanei_scsi_cmd( fd, cmd, sizeof cmd, buf, buf_size);
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return status;
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}
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/*
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*
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*
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*/
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int
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sanei_epson_scsi_read(int fd, void * buf, size_t buf_size, SANE_Status * status)
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{
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u_char cmd [ 6];
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memset( cmd, 0, 6);
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cmd[ 0] = READ_6_COMMAND;
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cmd[ 2] = buf_size >> 16;
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cmd[ 3] = buf_size >> 8;
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cmd[ 4] = buf_size;
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if( SANE_STATUS_GOOD == ( *status = sanei_scsi_cmd( fd, cmd, sizeof( cmd), buf, &buf_size)))
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return buf_size;
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return 0;
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}
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/*
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*
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*
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*/
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int
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sanei_epson_scsi_write(int fd, const void * buf, size_t buf_size, SANE_Status * status)
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{
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u_char * cmd;
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2003-08-15 17:07:58 +00:00
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cmd = alloca(8 + buf_size);
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memset( cmd, 0, 8);
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2002-09-01 11:48:06 +00:00
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cmd[ 0] = WRITE_6_COMMAND;
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cmd[ 2] = buf_size >> 16;
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cmd[ 3] = buf_size >> 8;
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cmd[ 4] = buf_size;
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2003-08-15 17:07:58 +00:00
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memcpy( cmd + 8, buf, buf_size);
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2002-09-01 11:48:06 +00:00
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2003-08-15 17:07:58 +00:00
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if( SANE_STATUS_GOOD == ( *status = sanei_scsi_cmd2( fd, cmd, 6, cmd + 8, buf_size, NULL, NULL)))
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2002-09-01 11:48:06 +00:00
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return buf_size;
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return 0;
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}
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