Esempio n. 1
0
SANE_Status soapht_open(SANE_String_Const device, SANE_Handle *handle)
{
   struct hpmud_model_attributes ma;
   int i, stat = SANE_STATUS_IO_ERROR;

   DBG8("sane_hpaio_open(%s)\n", device);

   if (session)
   {
      BUG("session in use\n");
      return SANE_STATUS_DEVICE_BUSY;
   }

   if ((session = create_session()) == NULL)
      return SANE_STATUS_NO_MEM;
    
   /* Set session to specified device. */
   snprintf(session->uri, sizeof(session->uri)-1, "hp:%s", device);   /* prepend "hp:" */

   /* Get actual model attributes from models.dat. */
   hpmud_query_model(session->uri, &ma);
   session->scan_type = ma.scantype;

   if (hpmud_open_device(session->uri, ma.mfp_mode, &session->dd) != HPMUD_R_OK)
   {
      BUG("unable to open device %s\n", session->uri);
      goto bugout;

      free(session);
      session = NULL;
      return SANE_STATUS_IO_ERROR;
   }

   if (bb_load(session, SCAN_PLUGIN_SOAPHT))
   {
      stat = SANE_STATUS_IO_ERROR;
      goto bugout;
   }

   /* Init sane option descriptors. */
   init_options(session);  

   if (session->bb_open(session))
   {
      stat = SANE_STATUS_IO_ERROR;
      goto bugout;
   }

   /* Set supported Scan Modes as determined by bb_open. */
   soapht_control_option(session, SOAP_OPTION_SCAN_MODE, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

   /* Set scan input sources as determined by bb_open. */
   soapht_control_option(session, SOAP_OPTION_INPUT_SOURCE, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */  

   /* Set supported resolutions. */
   soapht_control_option(session, SOAP_OPTION_SCAN_RESOLUTION, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

   /* Set supported brightness. */
   soapht_control_option(session, SOAP_OPTION_BRIGHTNESS, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

   /* Set supported contrast. */
   soapht_control_option(session, SOAP_OPTION_CONTRAST, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

   /* Set supported compression. (Note, cm1017 may say it supports MMR, but it doesn't) */
   soapht_control_option(session, SOAP_OPTION_COMPRESSION, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */
   
   /* Determine supported jpeg quality factor as determined by bb_open. */
   soapht_control_option(session, SOAP_OPTION_JPEG_QUALITY, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

   /* Set x,y extents. See bb_open */
   soapht_control_option(session, SOAP_OPTION_TL_X, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */
   soapht_control_option(session, SOAP_OPTION_TL_Y, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */
   soapht_control_option(session, SOAP_OPTION_BR_X, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */
   soapht_control_option(session, SOAP_OPTION_BR_Y, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

   *handle = (SANE_Handle *)session;

   stat = SANE_STATUS_GOOD;

bugout:

   if (stat != SANE_STATUS_GOOD)
   {
      if (session)
      {
         bb_unload(session);
         if (session->dd > 0)
            hpmud_close_device(session->dd);
         free(session);
         session = NULL;
      }
   }

   return stat;
} /* saneht_open */
Esempio n. 2
0
SANE_Status __attribute__ ((visibility ("hidden"))) ledm_open(SANE_String_Const device, SANE_Handle *handle)
{
  struct hpmud_model_attributes ma;
  int stat = SANE_STATUS_IO_ERROR;

  if(session)
  {
    return SANE_STATUS_DEVICE_BUSY;
  }
  if((session = create_session()) == NULL)
    return SANE_STATUS_NO_MEM;

  /* Set session to specified device. */
  snprintf(session->uri, sizeof(session->uri)-1, "hp:%s", device);   /* prepend "hp:" */

  /* Get actual model attributes from models.dat. */
  hpmud_query_model(session->uri, &ma);
  session->scan_type = ma.scantype;

  if (hpmud_open_device(session->uri, ma.mfp_mode, &session->dd) != HPMUD_R_OK)
  {
    stat = SANE_STATUS_IO_ERROR;
    goto bugout;
  }

  init_options(session);

  if (bb_open(session))
  {
    stat = SANE_STATUS_IO_ERROR;
    goto bugout;
  }

  /* Set supported Scan Modes as determined by bb_open. */
   ledm_control_option(session, LEDM_OPTION_SCAN_MODE, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

  /* Set scan input sources as determined by bb_open. */
   ledm_control_option(session, LEDM_OPTION_INPUT_SOURCE, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

  /* Set supported resolutions. */
  ledm_control_option(session, LEDM_OPTION_SCAN_RESOLUTION, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

  /* Set supported contrast. */
  ledm_control_option(session, LEDM_OPTION_CONTRAST, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

  /* Set supported compression. (Note, cm1017 may say it supports MMR, but it doesn't) */
  ledm_control_option(session, LEDM_OPTION_COMPRESSION, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

  /* Determine supported jpeg quality factor as determined by bb_open. */
  ledm_control_option(session, LEDM_OPTION_JPEG_QUALITY, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

  /* Set x,y extents. See bb_open */
  ledm_control_option(session, LEDM_OPTION_TL_X, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */
  ledm_control_option(session, LEDM_OPTION_TL_Y, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */
  ledm_control_option(session, LEDM_OPTION_BR_X, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */
  ledm_control_option(session, LEDM_OPTION_BR_Y, SANE_ACTION_SET_AUTO, NULL, NULL); /* set default option */

  *handle = (SANE_Handle *)session;

  stat = SANE_STATUS_GOOD;

bugout:

   if (stat != SANE_STATUS_GOOD)
   {
      if (session)
      {
         bb_close(session);
         if (session->cd > 0)
            hpmud_close_channel(session->dd, session->cd);
         if (session->dd > 0)
            hpmud_close_device(session->dd);
         free(session);
         session = NULL;
      }
   }

   return stat;
}