evtime.c File Reference

#include <stdio.h>
#include "dbDefs.h"
#include "epicsTime.h"
#include "cadef.h"

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Macros
#define	COUNT   0x8000

Functions
void	event_handler (struct event_handler_args args)
int	evtime (char *pname)
int	main (int argc, char **argv)

Macro Definition Documentation

#define COUNT   0x8000

Function Documentation

void event_handler

(

struct event_handler_args

args

)

Definition at line 73 of file evtime.c.

{
    epicsUInt32     current_time;
#   define          COUNT   0x8000
    double          interval;
    double          delay;
    epicsTimeStamp  ts;

    if(iteration_count%COUNT == 0){
        epicsTimeGetCurrent(&ts);
        current_time = ts.secPastEpoch;
        if(last_time != 0){
            interval = current_time - last_time;
            delay = interval/COUNT;
            printf("Delay = %f sec per event\n",
                delay);
        }
        last_time = current_time;
    }

    iteration_count++;
}

int evtime

(

char *

pname

)

Definition at line 42 of file evtime.c.

{
    chid    chan;
    int     status;

    status = ca_search(pname,  &chan);
    SEVCHK(status, NULL);

    status = ca_pend_io(10.0);
    if(status != ECA_NORMAL){
        printf("%s not found\n", pname);
        return 0;
    }

    status = ca_add_event(
            DBR_FLOAT,
            chan,
            event_handler,
            NULL,
            NULL);
    SEVCHK(status, __FILE__);

    status = ca_pend_event(0.0);
    SEVCHK(status, NULL);
}

int main	(	int	argc,
		char **	argv
	)

Definition at line 24 of file evtime.c.

{
        char    *pname;

        if(argc == 2){
                pname = argv[1];
                evtime(pname);
        }
        else{
                printf("usage: %s <channel name>", argv[0]);
        }
    return(0);
}