Use n_scans as the number of samples to measure.

diff --git a/demo/insn.c b/demo/insn.c
index 27c93d41fc439ef4d66acb4f4522a305c563a269..658715c822cf486ab05cd671a2fbd9cebd124077 100644 (file)
--- a/demo/insn.c
+++ b/demo/insn.c
@@ -35,7 +35,7 @@
  * analog input, and the another gettimeofday() call.
  */
 
-#define N_SAMPLES 10
+#define MAX_SAMPLES 128
 
 comedi_t *device;
 
@@ -45,7 +45,7 @@ int main(int argc, char *argv[])
        comedi_insn insn[3];
        comedi_insnlist il;
        struct timeval t1,t2;
-       lsampl_t data[N_SAMPLES];
+       lsampl_t data[MAX_SAMPLES];
 
        parse_options(argc,argv);
 
@@ -73,7 +73,7 @@ int main(int argc, char *argv[])
 
        /* Instruction 1: do 10 analog input reads */
        insn[1].insn=INSN_READ;
-       insn[1].n=N_SAMPLES;
+       insn[1].n=n_scan;
        insn[1].data=data;
        insn[1].subdev=subdevice;
        insn[1].chanspec=CR_PACK(channel,range,aref);
@@ -90,7 +90,7 @@ int main(int argc, char *argv[])
        }
 
        printf("initial time: %ld.%06ld\n",t1.tv_sec,t1.tv_usec);
-       for(i=0;i<N_SAMPLES;i++){
+       for(i=0;i<n_scan;i++){
                printf("%d\n",data[i]);
        }
        printf("final time: %ld.%06ld\n",t2.tv_sec,t2.tv_usec);