int app_main(char * trackerip, DISPLAYINFO * disp)
{
UINT16 i, j;
char our_file_name[260] = "TEST";
char verstr[50];
int eyelink_ver = 0;
int tracker_software_ver = 0;
if(trackerip)
set_eyelink_address(trackerip);
if(open_eyelink_connection(0)) return -1; /* abort if we can't open link */
set_offline_mode();
flush_getkey_queue(); /* initialize getkey() system */
eyelink_ver = eyelink_get_tracker_version(verstr);
if (eyelink_ver == 3)
tracker_software_ver = get_tracker_sw_version(verstr);
if(init_expt_graphics(NULL, disp))
goto shutdown; /* register window with EXPTSPPT */
window = SDL_GetVideoSurface();
get_display_information(&dispinfo); /* get window size, characteristics */
/*
NOTE: Camera display does not support 16-color modes
NOTE: Picture display examples don't work well with 256-color modes
However, all other sample programs should work well.
*/
if(dispinfo.palsize) /* 256-color modes: palettes not supported by this example */
alert_printf("This program is not optimized for 256-color displays");
i = SCRWIDTH/60; /* select best size for calibration target */
j = SCRWIDTH/300; /* and focal spot in target */
if(j < 2) j = 2;
set_target_size(i, j); /* tell DLL the size of target features */
/* color of calibration target */
SETCOLOR(target_foreground_color, 0,0,0);
/* background for calibration and drift correction */
SETCOLOR(target_background_color, 128,128,128);
/* tell EXPTSPPT the colors */
set_calibration_colors(&target_foreground_color, &target_background_color);
set_cal_sounds("", "", "");
set_dcorr_sounds("", "off", "off");
/* draw a title screen */
clear_full_screen_window(target_background_color); /* clear screen */
get_new_font("Times Roman", SCRHEIGHT/32, 1); /* select a font */
/* Draw text */
graphic_printf(window, target_foreground_color, CENTER, SCRWIDTH/2, 1*SCRHEIGHT/30,
"EyeLink Demonstration Experiment: Communicate with Listener");
graphic_printf(window, target_foreground_color, CENTER, SCRWIDTH/2, 2*SCRHEIGHT/30,
"Included with the Experiment Programming Kit for Windows");
graphic_printf(window, target_foreground_color, CENTER, SCRWIDTH/2, 3*SCRHEIGHT/30,
"All code is Copyright (c) 1997-2002 SR Research Ltd.");
graphic_printf(window, target_foreground_color, CENTER, SCRWIDTH/5, 4*SCRHEIGHT/30,
"Source code may be used as template for your experiments.");
SDL_Flip(window);
eyelink_set_name("comm_simple"); /* NEW: set our network name */
if(check_for_listener()) /* check for COMM_LISTENER application */
{
alert_printf("Could not communicate with COMM_LISTENER application.");
goto shutdown;
}
if(i==1) our_file_name[0] = 0; /* Cancelled: No file name */
if(our_file_name[0]) /* If file name set, open it */
{
if(!strstr(our_file_name, ".")) strcat(our_file_name, ".EDF"); /* add extension */
i = open_data_file(our_file_name); /* open file */
if(i!=0) /* check for error */
{
alert_printf("Cannot create EDF file '%s'", our_file_name);
goto shutdown;
}
/* add title to preamble */
eyecmd_printf("add_file_preamble_text 'RECORDED BY %s' ", program_name);
}
/*
SET UP TRACKER CONFIGURATION
NOTE: set contents before sending messages!
set EDF file contents
*/
if(eyelink_ver>=2)
{
eyecmd_printf("select_parser_configuration 0"); // 0 = standard sensitivity
if(eyelink_ver == 2) //turn off scenelink camera stuff
{
eyecmd_printf("scene_camera_gazemap = NO");
}
}
else
{
eyecmd_printf("saccade_velocity_threshold = 35");
eyecmd_printf("saccade_acceleration_threshold = 9500");
}
// NOTE: set contents before sending messages!
// set EDF file contents
eyecmd_printf("file_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON");
eyecmd_printf("file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS%s",(tracker_software_ver>=4)?",HTARGET":"");
// set link data (used for gaze cursor)
eyecmd_printf("link_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON");
eyecmd_printf("link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS%s",(tracker_software_ver>=4)?",HTARGET":"");
/* NEW: Allow EyeLink I (v2.1+) to echo messages back to listener */
eyecmd_printf("link_nonrecord_events = BUTTONS, MESSAGES");
/* Program button #5 for use in drift correction */
eyecmd_printf("button_function 5 'accept_target_fixation'");
/* Now configure tracker for display resolution */
eyecmd_printf("screen_pixel_coords = %ld %ld %ld %ld", /* Set display resolution */
dispinfo.left, dispinfo.top, dispinfo.right, dispinfo.bottom);
eyecmd_printf("calibration_type = HV9"); /* Setup calibration type */
eyemsg_printf("DISPLAY_COORDS %ld %ld %ld %ld",/* Add resolution to EDF file */
dispinfo.left, dispinfo.top, dispinfo.right, dispinfo.bottom);
if(dispinfo.refresh>40)
eyemsg_printf("FRAMERATE %1.2f Hz.", dispinfo.refresh);
/* make sure we're still alive */
if(!eyelink_is_connected() || break_pressed()) goto end_expt;
/*
RUN THE EXPERIMENTAL TRIALS (code depends on type of experiment)
Calling run_trials() performs a calibration followed by trials
This is equivalent to one block of an experiment
It will return ABORT_EXPT if the program should exit
*/
i = run_trials();
end_expt: /* END: close, transfer EDF file */
set_offline_mode(); /* set offline mode so we can transfer file */
pump_delay(500); /* delay so tracker is ready */
eyecmd_printf("close_data_file"); /* close data file */
if(break_pressed()) goto shutdown;/* don't get file if we aborted experiment */
if(our_file_name[0]) /* make sure we created a file */
receive_data_file(our_file_name, "", 0); /* transfer the file, ask for a local name */
shutdown: /* CLEANUP */
close_expt_graphics(); /* tell EXPTSPPT to release window */
close_eyelink_connection(); /* disconnect from tracker */
return 0;
}
bool Eyelink::initialize(){
boost::mutex::scoped_lock lock(EyelinkDriverLock);
if (Eyelink_Initialized) {
merror(M_IODEVICE_MESSAGE_DOMAIN,"Eyelink was previously initialized! Trying again, but this is dangerous!!");
}
Eyelink_Initialized = false;
// Initializes the link
//mprintf(M_IODEVICE_MESSAGE_DOMAIN, "Trying to find Eyelink System at %s",tracker_ip);
if (set_eyelink_address( &tracker_ip[0] ) )
merror(M_IODEVICE_MESSAGE_DOMAIN,"Failed to set Tracker to address %s", tracker_ip.c_str());
if(open_eyelink_connection(0))
merror(M_IODEVICE_MESSAGE_DOMAIN,"Failed to connect to Tracker at %s", tracker_ip.c_str());
else {
ELINKNODE node;
// generate data file name
time_t now = time(NULL);
struct tm* t = gmtime(&now);
sprintf(data_file_name, "%02d%06d.edf",(t->tm_year-100),t->tm_yday*1440 + t->tm_hour*60 + t->tm_min);
//YYMMMMMM : YY=Years since 2k, MMMMMM=Minutes in current year
if ( open_data_file( data_file_name ) ) {
mwarning(M_IODEVICE_MESSAGE_DOMAIN,"Eyelink datafile setting failed (%s)",data_file_name);
}
else {
mprintf(M_IODEVICE_MESSAGE_DOMAIN,"Eyelink logs to local file %s",data_file_name);
}
// Tell the tracker what data to include in samples
if (OK_RESULT != eyecmd_printf("link_sample_data = LEFT,RIGHT,GAZE,HREF,PUPIL,AREA")) {
mwarning(M_IODEVICE_MESSAGE_DOMAIN,
"Eyelink did not respond to link_sample_data command; sample data may be incomplete");
}
// tell the tracker who we are
eyelink_set_name((char*)("MWorks_over_Socket"));
// verify the name
if( eyelink_get_node(0,&node) != OK_RESULT )
merror(M_IODEVICE_MESSAGE_DOMAIN,"Error, EyeLink doesn't respond");
else eyemsg_printf((char*)("%s connected"), node.name);
// Enable link data reception
eyelink_reset_data(1);
}
// Eyelink should now be in "TCP-Link Open" mode
if(eyelink_is_connected()) {
tracker_version = eyelink_get_tracker_version(version_info);
mprintf(M_IODEVICE_MESSAGE_DOMAIN, "Eyelink %d System Version %s connected via Socket",tracker_version,version_info);
Eyelink_Initialized = true;
stopped = true;
}
else {
merror(M_IODEVICE_MESSAGE_DOMAIN,"Error, Eyelink Connection could not be established");
}
return Eyelink_Initialized;
}
