Skip to content

F
FMC DEL 1ns 4cha - Software
Commit 863fab63 authored by Alessandro Rubini's avatar Alessandro Rubini
Browse files
Options

lib: added examples for read and fread

parent 5593ebfb
Hide whitespace changes
Inline Side-by-side
Showing with 149 additions and 1 deletion
lib/.gitignore
View file @ 863fab63
......@@ -3,3 +3,6 @@
fdelay-list
fdelay-board-time
fdelay-term
fdelay-read
fdelay-fread
lib/Makefile
View file @ 863fab63
......@@ -11,6 +11,8 @@ LDFLAGS = -L. -lfdelay
DEMOSRC := fdelay-list.c
DEMOSRC += fdelay-board-time.c
DEMOSRC += fdelay-term.c
DEMOSRC += fdelay-read.c
DEMOSRC += fdelay-fread.c
DEMOS := $(DEMOSRC:.c=)
......
lib/fdelay-fread.c 0 → 100644
View file @ 863fab63
/* Simple demo that reads samples using the fread call */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "fdelay-lib.h"
int main(int argc, char **argv)
{
struct fdelay_board *b;
int i, j,npulses;
struct fdelay_time *t;
if (argc != 2) {
fprintf(stderr, "%s: Use \"%s <nsamples>\n", argv[0], argv[0]);
exit(1);
}
i = fdelay_init();
if (i < 0) {
fprintf(stderr, "%s: fdelay_init(): %s\n", argv[0],
strerror(errno));
exit(1);
}
if (i == 0) {
fprintf(stderr, "%s: no boards found\n", argv[0]);
exit(1);
}
if (i != 1) {
fprintf(stderr, "%s: found %i boards, using first one\n",
argv[0], i);
}
b = fdelay_open(0, -1);
if (!b) {
fprintf(stderr, "%s: fdelay_open(): %s\n", argv[0],
strerror(errno));
exit(1);
}
npulses = atoi(argv[1]);
t = calloc(npulses, sizeof(*t));
if (!t) {
fprintf(stderr, "%s: calloc(): %s\n", argv[0],
strerror(errno));
exit(1);
}
fprintf(stderr, "%s: reading %i pulses using fread...",
argv[0], npulses);
i = fdelay_fread(b, t, npulses);
fprintf(stderr, " got %i of them\n", i);
for (j = 0; j < i; j++) {
printf("seq %5i: time %lli.%09li + %04x\n",
t[j].seq_id, t[j].utc, (long)t[j].coarse * 8, t[j].frac);
}
if (i < 0) {
fprintf(stderr, "%s: fdelay_read: %s\n",
argv[0], strerror(errno));
exit(1);
}
fdelay_close(b);
fdelay_exit();
return 0;
}
lib/fdelay-read.c 0 → 100644
View file @ 863fab63
/* Simple demo that reads samples using the read call */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include "fdelay-lib.h"
int main(int argc, char **argv)
{
struct fdelay_board *b;
int i, j,npulses;
struct fdelay_time *t;
if (argc != 2) {
fprintf(stderr, "%s: Use \"%s <nsamples>\n", argv[0], argv[0]);
exit(1);
}
i = fdelay_init();
if (i < 0) {
fprintf(stderr, "%s: fdelay_init(): %s\n", argv[0],
strerror(errno));
exit(1);
}
if (i == 0) {
fprintf(stderr, "%s: no boards found\n", argv[0]);
exit(1);
}
if (i != 1) {
fprintf(stderr, "%s: found %i boards, using first one\n",
argv[0], i);
}
b = fdelay_open(0, -1);
if (!b) {
fprintf(stderr, "%s: fdelay_open(): %s\n", argv[0],
strerror(errno));
exit(1);
}
npulses = atoi(argv[1]);
t = calloc(npulses, sizeof(*t));
if (!t) {
fprintf(stderr, "%s: calloc(): %s\n", argv[0],
strerror(errno));
exit(1);
}
/* Read twice: first blocking then non-blocking */
fprintf(stderr, "%s: reading %i pulses in blocking mode...",
argv[0], npulses);
i = fdelay_read(b, t, npulses, 0);
fprintf(stderr, " got %i of them\n", i);
for (j = 0; j < i; j++) {
printf("seq %5i: time %lli.%09li + %04x\n",
t[j].seq_id, t[j].utc, (long)t[j].coarse * 8, t[j].frac);
}
if (i < 0) {
fprintf(stderr, "%s: fdelay_read: %s\n",
argv[0], strerror(errno));
exit(1);
}
fprintf(stderr, "%s: reading %i pulses in non-blocking mode...",
argv[0], npulses);
i = fdelay_read(b, t, npulses, O_NONBLOCK);
fprintf(stderr, " got %i of them\n", i);
for (j = 0; j < i; j++) {
printf("seq %5i: time %lli.%09li + %04x\n",
t[j].seq_id, t[j].utc, (long)t[j].coarse * 8, t[j].frac);
}
fdelay_close(b);
fdelay_exit();
return 0;
}
lib/fdelay-tdc.c
View file @ 863fab63
......@@ -128,7 +128,7 @@ int fdelay_fread(struct fdelay_board *userb, struct fdelay_time *t, int n)
int i, loop;
for (i = 0; i < n; ) {
loop = fdelay_read(userb, t, n - i, 0);
loop = fdelay_read(userb, t + i, n - i, 0);
if (loop < 0)
return -1;
i += loop;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment