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#undef BACKEND_NAME
#define BACKEND_NAME epson2_scsi
#include "../include/sane/config.h"
#include "../include/sane/sanei_debug.h"
#include "../include/sane/sanei_scsi.h"
#include "epson2_scsi.h"
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef NEED_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <string.h> /* for memset and memcpy */
#include <stdio.h>
/* sense handler for the sanei_scsi_xxx comands */
SANE_Status
sanei_epson2_scsi_sense_handler(int scsi_fd,
unsigned char *result, void *arg)
{
/* to get rid of warnings */
scsi_fd = scsi_fd;
arg = arg;
if (result[0] && result[0] != 0x70) {
DBG(2, "%s: sense code = 0x%02x\n",
__func__, result[0]);
return SANE_STATUS_IO_ERROR;
} else {
return SANE_STATUS_GOOD;
}
}
SANE_Status
sanei_epson2_scsi_inquiry(int fd, void *buf, size_t *buf_size)
{
unsigned char cmd[6];
int status;
memset(cmd, 0, 6);
cmd[0] = INQUIRY_COMMAND;
cmd[4] = *buf_size > 255 ? 255 : *buf_size;
status = sanei_scsi_cmd(fd, cmd, sizeof cmd, buf, buf_size);
return status;
}
SANE_Status
sanei_epson2_scsi_test_unit_ready(int fd)
{
unsigned char cmd[6];
memset(cmd, 0, 6);
cmd[0] = TEST_UNIT_READY_COMMAND;
return sanei_scsi_cmd2(fd, cmd, sizeof(cmd), NULL, 0, NULL, NULL);
}
int
sanei_epson2_scsi_read(int fd, void *buf, size_t buf_size,
SANE_Status *status)
{
unsigned char cmd[6];
memset(cmd, 0, 6);
cmd[0] = READ_6_COMMAND;
cmd[2] = buf_size >> 16;
cmd[3] = buf_size >> 8;
cmd[4] = buf_size;
*status = sanei_scsi_cmd2(fd, cmd, sizeof(cmd), NULL, 0, buf, &buf_size);
if (*status == SANE_STATUS_GOOD)
return buf_size;
return 0;
}
int
sanei_epson2_scsi_write(int fd, const void *buf, size_t buf_size,
SANE_Status *status)
{
unsigned char cmd[6];
memset(cmd, 0, sizeof(cmd));
cmd[0] = WRITE_6_COMMAND;
cmd[2] = buf_size >> 16;
cmd[3] = buf_size >> 8;
cmd[4] = buf_size;
*status = sanei_scsi_cmd2(fd, cmd, sizeof(cmd), buf, buf_size, NULL, NULL);
if (*status == SANE_STATUS_GOOD)
return buf_size;
return 0;
}
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