Function libeyelink_sys::eyelink_request_time

pub unsafe extern "C" fn eyelink_request_time() -> UINT32

@ingroup access_time_tracker Sends a request the connected eye tracker to return its current time.

@remarks The time reply can be read with \c eyelink_read_time(). @return \c 0 if no error, else link error code.

\b Example:

\code

#include 

UINT32 current_tracker_time()
{
UINT32  time_subject=0, time_tracker=0;

eyelink_request_time();        // request the tracker PC time
time_subject = current_msec();
while(!time_tracker && current_msec() -time_subject < 50)
time_tracker = eyelink_read_time();  // read tracker PC time

return time_tracker;
}
\endcode

\sa \c eyelink_node_request_time() and \c eyelink_read_time() @deprecated This function is depricated. It is left for compatibility reasons.