add sysmobts-util command-line utility to read/write EEPROM parameters

2 files changed, 132 insertions, 1 deletions

diff --git a/src/osmo-bts-sysmo/Makefile.am b/src/osmo-bts-sysmo/Makefile.am
index 80deed29..908a5b63 100644
--- a/src/osmo-bts-sysmo/Makefile.am
+++ b/src/osmo-bts-sysmo/Makefile.am
@@ -6,7 +6,7 @@ EXTRA_DIST = misc/sysmobts_mgr.h misc/sysmobts_misc.h misc/sysmobts_par.h \
 	misc/sysmobts_eeprom.h femtobts.h hw_misc.h l1_fwd.h l1_if.h \
 	l1_transp.h eeprom.h utils.h
 
-bin_PROGRAMS = sysmobts sysmobts-remote l1fwd-proxy sysmobts-mgr
+bin_PROGRAMS = sysmobts sysmobts-remote l1fwd-proxy sysmobts-mgr sysmobts-util
 
 COMMON_SOURCES = main.c femtobts.c l1_if.c oml.c sysmobts_vty.c tch.c hw_misc.c calib_file.c \
 		 eeprom.c calib_fixup.c utils.c
@@ -21,3 +21,5 @@ l1fwd_proxy_SOURCES = l1_fwd_main.c l1_transp_hw.c
 l1fwd_proxy_LDADD = $(top_builddir)/src/common/libbts.a $(LDADD)
 
 sysmobts_mgr_SOURCES = misc/sysmobts_mgr.c misc/sysmobts_misc.c misc/sysmobts_par.c
+
+sysmobts_util_SOURCES = misc/sysmobts_util.c misc/sysmobts_par.c
diff --git a/src/osmo-bts-sysmo/misc/sysmobts_util.c b/src/osmo-bts-sysmo/misc/sysmobts_util.c
new file mode 100644
index 00000000..100d3986
--- /dev/null
+++ b/src/osmo-bts-sysmo/misc/sysmobts_util.c
@@ -0,0 +1,129 @@
+/* sysmobts-util - access to hardware related parameters */
+
+/* (C) 2012-2013 by Harald Welte <laforge@gnumonks.org>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+
+
+#include "sysmobts_par.h"
+
+enum act {
+	ACT_GET,
+	ACT_SET,
+};
+
+static enum act action;
+static char *write_arg;
+
+static void print_help()
+{
+	printf("sysmobts-util [-r | -w value] param_name\n");
+}
+
+static int parse_options(int argc, char **argv)
+{
+	int opt;
+
+	while ((opt = getopt(argc, argv, "rw:h")) != -1) {
+		switch (opt) {
+		case 'r':
+			action = ACT_GET;
+			break;
+		case 'w':
+			action = ACT_SET;
+			write_arg = optarg;
+			break;
+		case 'h':
+			print_help();
+			return -1;
+			break;
+		default:
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	const char *parname;
+	enum sysmobts_par par;
+	int rc, val;
+
+	rc = parse_options(argc, argv);
+	if (rc < 0)
+		exit(2);
+
+	if (optind >= argc) {
+		fprintf(stderr, "You must specify the parameter name\n");
+		exit(2);
+	}
+	parname = argv[optind];
+
+	rc = get_string_value(sysmobts_par_names, parname);
+	if (rc < 0) {
+		fprintf(stderr, "`%s' is not a valid parameter\n", parname);
+		exit(2);
+	} else
+		par = rc;
+
+	switch (action) {
+	case ACT_GET:
+		rc = sysmobts_par_get_int(par, &val);
+		if (rc < 0) {
+			fprintf(stderr, "Error %d\n", rc);
+			goto err;
+		}
+		printf("%d\n", val);
+		break;
+	case ACT_SET:
+		rc = sysmobts_par_get_int(par, &val);
+		if (rc < 0) {
+			fprintf(stderr, "Error %d\n", rc);
+			goto err;
+		}
+		if (val != 0xFFFF && val != 0xFF && val != 0xFFFFFFFF) {
+			fprintf(stderr, "Parameter is already set!\r\n");
+			goto err;
+		}
+		rc = sysmobts_par_set_int(par, atoi(write_arg));
+		if (rc < 0) {
+			fprintf(stderr, "Error %d\n", rc);
+			goto err;
+		}
+		printf("Success setting %s=%d\n", parname,
+			atoi(write_arg));
+		break;
+	default:
+		fprintf(stderr, "Unsupported action\n");
+		goto err;
+	}
+
+	exit(0);
+
+err:
+	exit(1);
+}
+