dtv-scan-tables.git - Digital TV scan tables

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Diffstat (limited to 'dvb-c/de-Kabel_BW')

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/* 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; }


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