Files
pcas/src/makeBaseApp/top/caClientApp/caExample.c
T
Andrew Johnson 081cb42dc8 Moved CA client examples into their own caClientApp
Added caServerApp - copied from src/cas/example/simple
Made simpleApp significantly more useful
Made exampleApp use the _APPNAME_ macro instead of example in various places
2003-02-05 23:46:23 +00:00

26 lines
657 B
C

/*caExample.c*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "cadef.h"
main(int argc,char **argv)
{
double data;
chid mychid;
if(argc != 2) {
fprintf(stderr,"usage: caExample pvname\n");
exit(1);
}
SEVCHK(ca_context_create(ca_disable_preemptive_callback),"ca_context_create");
SEVCHK(ca_create_channel(argv[1],NULL,NULL,10,&mychid),"ca_create_channel failure");
SEVCHK(ca_pend_io(5.0),"ca_pend_io failure");
SEVCHK(ca_get(DBR_DOUBLE,mychid,(void *)&data),"ca_get failure");
SEVCHK(ca_pend_io(5.0),"ca_pend_io failure");
printf("%s %f\n",argv[1],data);
return(0);
}