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/*
/osxptb/trunk/PsychSourceGL/Source/OSX/Eyelink/EyelinkImageModeDisplay.c
PROJECTS: Eyelink
AUTHORS:
cburns@berkeley.edu cdb
E.Peters@ai.rug.nl emp
f.w.cornelissen@med.rug.nl fwc
PLATFORMS: Currently only OS X
HISTORY:
11/23/05 cdb Created.
27/03/09 edf added waiting loop and check that we made it into the mode
TARGET LOCATION:
Eyelink.mexmac resides in:
EyelinkToolbox
*/
#include "PsychEyelink.h"
#define WAIT_MS 10
#define MAX_LOOPS 1000
#define ERR_BUFF_LEN 1000
static char useString[] = "[result =] Eyelink('ImageModeDisplay')";
static char synopsisString[] =
"This handles display of the EyeLink camera images. "
"While in imaging mode, it continuously requests "
"and displays the current camera image. "
"It also displays the camera name and threshold setting. "
"Keys on the subject PC keyboard are sent to the tracker "
"so the experimenter can use it during setup. "
"It will exit when the tracker leaves "
"imaging mode or disconnects. "
"RETURNS: 0 if OK, 32767 (Ox7FFF or TERMINATE_KEY) if pressed, -1 if disconnect";
static char seeAlsoString[] = "";
/*
ROUTINE: EYELINKimagemodedisplay
PURPOSE:
uses INT16 image_mode_display(void);
This handles display of the EyeLink camera images
While in imaging mode, it contiuously requests
and displays the current camera image
It also displays the camera name and threshold setting
Keys on the subject PC keyboard are sent to the tracker
so the experimenter can use it during setup.
It will exit when the tracker leaves
imaging mode or discannects
RETURNS: 0 if OK, TERMINATE_KEY if pressed, -1 if disconnect*/
PsychError EyelinkImageModeDisplay(void)
{
int iResult = 0;
// Add help strings
PsychPushHelp(useString, synopsisString, seeAlsoString);
// Output help if asked
if(PsychIsGiveHelp()) {
PsychGiveHelp();
return(PsychError_none);
}
// Check arguments
PsychErrorExit(PsychCapNumInputArgs(0));
PsychErrorExit(PsychRequireNumInputArgs(0));
PsychErrorExit(PsychCapNumOutputArgs(1));
// Verify eyelink is up and running
EyelinkSystemIsConnected();
EyelinkSystemIsInitialized();
// Optionally dump the whole hookfunctions struct:
if (Verbosity() > 5) { printf("Eyelink-Debug: ImageModeDisplay: PreOp: \n"); PsychEyelink_dumpHookfunctions(); }
iResult = image_mode_display();
// Optionally dump the whole hookfunctions struct:
if (Verbosity() > 5) { printf("Eyelink-Debug: ImageModeDisplay: PostOp: \n"); PsychEyelink_dumpHookfunctions(); }
// Assign output arg if available
PsychCopyOutDoubleArg(1, FALSE, iResult);
return(PsychError_none);
}
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