/* Make sure client closed down the device. */ int device_cleanup(mud_session *ps) { int i, dd=1; if(!ps->device[dd].index) return 0; /* nothing to do */ BUG("device_cleanup: device uri=%s\n", ps->device[dd].uri); for (i=0; i<HPMUD_CHANNEL_MAX; i++) { if (ps->device[dd].channel[i].client_cnt) { BUG("device_cleanup: close channel %d...\n", i); hpmud_close_channel(dd, ps->device[dd].channel[i].index); BUG("device_cleanup: done closing channel %d\n", i); } } BUG("device_cleanup: close device dd=%d...\n", dd); hpmud_close_device(dd); BUG("device_cleanup: done closing device dd=%d\n", dd); return 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; }