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authoretobi <git@e-tobi.net>2013-09-03 09:48:41 +0200
committeretobi <git@e-tobi.net>2013-09-03 09:48:41 +0200
commitab959d7b4194715870128e616b8e29d4a101e488 (patch)
tree61a746231d30817be73416a7d67763fd677a1042 /util/femon
parent6b350466c4902c5b137e0efaf1d189128a7f18f5 (diff)
downloadlinux-dvb-apps-ab959d7b4194715870128e616b8e29d4a101e488.tar.gz
Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207
Diffstat (limited to '')
-rw-r--r--util/femon/Makefile15
-rw-r--r--util/femon/femon.c175
2 files changed, 190 insertions, 0 deletions
diff --git a/util/femon/Makefile b/util/femon/Makefile
new file mode 100644
index 0000000..4381d43
--- /dev/null
+++ b/util/femon/Makefile
@@ -0,0 +1,15 @@
+# Makefile for linuxtv.org dvb-apps/util/femon
+
+binaries = femon
+
+inst_bin = $(binaries)
+
+CPPFLAGS += -I../../lib
+LDFLAGS += -L../../lib/libdvbapi
+LDLIBS += -ldvbapi
+
+.PHONY: all
+
+all: $(binaries)
+
+include ../../Make.rules
diff --git a/util/femon/femon.c b/util/femon/femon.c
new file mode 100644
index 0000000..46d239d
--- /dev/null
+++ b/util/femon/femon.c
@@ -0,0 +1,175 @@
+/* femon -- monitor frontend status
+ *
+ * Copyright (C) 2003 convergence GmbH
+ * Johannes Stezenbach <js@convergence.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/poll.h>
+#include <fcntl.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <stdint.h>
+#include <sys/time.h>
+
+#include <libdvbapi/dvbfe.h>
+
+#define FE_STATUS_PARAMS (DVBFE_INFO_LOCKSTATUS|DVBFE_INFO_SIGNAL_STRENGTH|DVBFE_INFO_BER|DVBFE_INFO_SNR|DVBFE_INFO_UNCORRECTED_BLOCKS)
+
+static char *usage_str =
+ "\nusage: femon [options]\n"
+ " -H : human readable output\n"
+ " -a number : use given adapter (default 0)\n"
+ " -f number : use given frontend (default 0)\n"
+ " -c number : samples to take (default 0 = infinite)\n\n";
+
+
+static void usage(void)
+{
+ fprintf(stderr, usage_str);
+ exit(1);
+}
+
+
+static
+int check_frontend (struct dvbfe_handle *fe, int human_readable, unsigned int count)
+{
+ struct dvbfe_info fe_info;
+ unsigned int samples = 0;
+
+ do {
+ if (dvbfe_get_info(fe, FE_STATUS_PARAMS, &fe_info, DVBFE_INFO_QUERYTYPE_IMMEDIATE, 0) != FE_STATUS_PARAMS) {
+ fprintf(stderr, "Problem retrieving frontend information: %m\n");
+ }
+
+
+
+ if (human_readable) {
+ printf ("status %c%c%c%c%c | signal %3u%% | snr %3u%% | ber %d | unc %d | ",
+ fe_info.signal ? 'S' : ' ',
+ fe_info.carrier ? 'C' : ' ',
+ fe_info.viterbi ? 'V' : ' ',
+ fe_info.sync ? 'Y' : ' ',
+ fe_info.lock ? 'L' : ' ',
+ (fe_info.signal_strength * 100) / 0xffff,
+ (fe_info.snr * 100) / 0xffff,
+ fe_info.ber,
+ fe_info.ucblocks);
+ } else {
+ printf ("status %c%c%c%c%c | signal %04x | snr %04x | ber %08x | unc %08x | ",
+ fe_info.signal ? 'S' : ' ',
+ fe_info.carrier ? 'C' : ' ',
+ fe_info.viterbi ? 'V' : ' ',
+ fe_info.sync ? 'Y' : ' ',
+ fe_info.lock ? 'L' : ' ',
+ fe_info.signal_strength,
+ fe_info.snr,
+ fe_info.ber,
+ fe_info.ucblocks);
+ }
+
+ if (fe_info.lock)
+ printf("FE_HAS_LOCK");
+
+ printf("\n");
+ fflush(stdout);
+ usleep(1000000);
+ samples++;
+ } while ((!count) || (count-samples));
+
+ return 0;
+}
+
+
+static
+int do_mon(unsigned int adapter, unsigned int frontend, int human_readable, unsigned int count)
+{
+ int result;
+ struct dvbfe_handle *fe;
+ struct dvbfe_info fe_info;
+ char *fe_type = "UNKNOWN";
+
+ fe = dvbfe_open(adapter, frontend, 1);
+ if (fe == NULL) {
+ perror("opening frontend failed");
+ return 0;
+ }
+
+ dvbfe_get_info(fe, 0, &fe_info, DVBFE_INFO_QUERYTYPE_IMMEDIATE, 0);
+ switch(fe_info.type) {
+ case DVBFE_TYPE_DVBS:
+ fe_type = "DVBS";
+ break;
+ case DVBFE_TYPE_DVBC:
+ fe_type = "DVBC";
+ break;
+ case DVBFE_TYPE_DVBT:
+ fe_type = "DVBT";
+ break;
+ case DVBFE_TYPE_ATSC:
+ fe_type = "ATSC";
+ break;
+ }
+ printf("FE: %s (%s)\n", fe_info.name, fe_type);
+
+ result = check_frontend (fe, human_readable, count);
+
+ dvbfe_close(fe);
+
+ return result;
+}
+
+int main(int argc, char *argv[])
+{
+ unsigned int adapter = 0, frontend = 0, count = 0;
+ int human_readable = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "Ha:f:c:")) != -1) {
+ switch (opt)
+ {
+ default:
+ usage();
+ break;
+ case 'a':
+ adapter = strtoul(optarg, NULL, 0);
+ break;
+ case 'c':
+ count = strtoul(optarg, NULL, 0);
+ break;
+ case 'f':
+ frontend = strtoul(optarg, NULL, 0);
+ break;
+ case 'H':
+ human_readable = 1;
+ break;
+ }
+ }
+
+ do_mon(adapter, frontend, human_readable, count);
+
+ return 0;
+}