tools: program to get/set user-offset

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

tools: program to get/set user-offset
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
80540924 · Federico Vaga · bae3761b · 80540924 · 80540924 · 80540924
Commit 80540924 authored Mar 16, 2018 by Federico Vaga
Hide whitespace changes
Inline Side-by-side

Showing with 66 additions and 1 deletion

.gitignore tools/.gitignore +1 -0

Makefile tools/Makefile +2 -1

fmc-tdc-offset.c tools/fmc-tdc-offset.c +63 -0

No files found.
--- a/tools/.gitignore
+++ b/tools/.gitignore
@@ -5,4 +5,5 @@ fmc-tdc-temperature
 fmc-tdc-term
 fmc-tdc-time
 fmc-tdc-tstamp
+fmc-tdc-offset
 Makefile.specific
\ No newline at end of file
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -14,7 +14,8 @@ TESTS = fmc-tdc-list \
 	fmc-tdc-term \
 	fmc-tdc-temperature \
 	fmc-tdc-time \
-	fmc-tdc-tstamp
+	fmc-tdc-tstamp \
+	fmc-tdc-offset

 CFLAGS = -I. -I$(LIBTDC) -I../kernel -Wall $(EXTRACFLAGS)
 GIT_VERSION := $(shell git describe --dirty --long --tags)

--- a/tools/fmc-tdc-offset.c
+++ b/tools/fmc-tdc-offset.c
+/*
+ * Author: Federico Vaga <federico.vaga@cern.ch>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * version 2 as published by the Free Software Foundation or, at your
+ * option, any later version.
+ *
+ * fmctdc-term: get/set the user offset
+ */
+#include <inttypes.h>
+#include "test-common.h"
+
+char git_version[] = "git version: " GIT_VERSION;
+
+int main(int argc, char **argv)
+{
+	int32_t offset;
+	int err, ret, i, channel, ch_start = FMCTDC_CH_1, ch_end = FMCTDC_CH_LAST;
+
+	init(argc, argv);
+
+	check_help(argc, argv, 2,
+		   "[-h] [-V] <device> <channel> [offset-ps]",
+		   "It sets or gets the user-offset applied to the incoming timestamps\n",
+		   "");
+	open_board(argv[1]);
+
+
+	if (argc >= 3) {
+		channel = atoi(argv[2]);
+		if (channel < FMCTDC_CH_1 || channel > FMCTDC_CH_LAST) {
+			fprintf(stderr, "%s: invalid channel.\n", argv[0]);
+			return -1;
+		}
+		ch_start = channel;
+		ch_end = channel;
+	}
+
+	if (argc >= 4) {
+		ret = sscanf(argv[3], "%"SCNi32, &offset);
+		if (ret != 1) {
+			fprintf(stderr, "%s: invalid command.\n", argv[0]);
+			return -1;
+		}
+		err = fmctdc_set_offset_user(brd, channel, offset);
+		if (err) {
+			fprintf(stderr, "%s: error setting the user-offset: %s\n",
+				argv[0], strerror(errno));
+			return -1;
+		}
+	}
+
+	for (i = ch_start; i <= ch_end; i++) {
+		err = fmctdc_get_offset_user(brd, i, &offset);
+		if (err)
+			printf("channel %d: ERROR\n", i);
+		else
+			printf("channel %d: %d ps\n", i, offset);
+	}
+
+	return 0;
+}