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/*
/osxptb/trunk/PsychSourceGL/Source/OSX/Eyelink/EyelinkIsConnected.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:
11/21/05 cdb Created.
TARGET LOCATION:
Eyelink.mexmac resides in:
EyelinkToolbox
*/
#include "PsychEyelink.h"
// Help strings
static char useString[] = "status = Eyelink('IsConnected')";
static char synopsisString[] =
"checks if the eyelink is (still) connected\n"
"returns 1 if connected\n"
" -1 if dummy-connected\n"
" 2 if broadcast-connected\n"
" 0 if not connected\n";
static char seeAlsoString[] = "Initialize";
PsychError EyelinkIsConnected(void)
{
int iStatus = -1;
double *pfOutArg = NULL;
// Add help strings
PsychPushHelp(useString, synopsisString, seeAlsoString);
// Output help if asked
if(PsychIsGiveHelp()) {
PsychGiveHelp();
return(PsychError_none);
}
// Check arguments
PsychErrorExit(PsychCapNumOutputArgs(1));
PsychErrorExit(PsychCapNumInputArgs(0));
iStatus = eyelink_is_connected();
// Allocate an output matrix. Even if argument is not there, we still get the space.
PsychAllocOutDoubleArg(1, FALSE, &pfOutArg);
*pfOutArg = iStatus;
return(PsychError_none);
}
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