parport02.c

////////////////////////////////////////////////////////////////////////////////
//     
//    __                                ______
//   / /_______________  ____  ___     / ____/
//  / __/ ___/ ___/ __ \/ __ \/ _ \   /___ )  
// / /_(__  ) /__/ /_/ / /_/ /  __/  ____/ /  
// \__/____/\___/\____/ .___/\___/  /_____/   
//                   /_/                      
//     
// parport02.c
// - Use the parallel port for trigger input.
// - This example can be used separately (use trigger simulation)
//   or together with parport03.c (on another computer).
// - This example does not open a display
////////////////////////////////////////////////////////////////////////////////

#include <tscope5.h>
#include <stdio.h>

int main()
{
    // set the log level to some high value
    ts5_set_log_level(TS5_LOGLEVEL_4);
        
    // register parallel port 1 as a trigger input device
    ts5_define_parport_trigger_input(1);

    // turn on trigger input simulation
    // send value 255 to port 1 every 0.1 seconds
    // comment this out if you want to receive real triggers
    // from a computer that is connected via the serial port
    ts5_simulate_parport_trigger_input(1, 255, 0.1);
    
    // wait for 10 triggers
    int trigger=0;
    double trigtime, timing_error;

    int i;
    for (i=0; i<10; i++) {
        trigger = ts5_wait_for_trigger(&trigtime, &timing_error);
        printf("trigger %d %f %f\n", trigger, trigtime, timing_error);
    }
    
    // write (append) all triggers to a log file
    ts5_write_all_triggers("parport_triggers.txt");
    
    return 0;
}