| 16 |
16 |
* You should have received a copy of the GNU General Public License
|
| 17 |
17 |
* along with this program; if not, write to the Free Software
|
| 18 |
18 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
19 |
*
|
|
20 |
* James Lockie: Oct. 2011
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|
21 |
* modified to add a switch (-2) to show signal/snr in dB
|
| 19 |
22 |
*/
|
| 20 |
23 |
|
| 21 |
24 |
|
| ... | ... | |
| 37 |
40 |
|
| 38 |
41 |
#include <libdvbapi/dvbfe.h>
|
| 39 |
42 |
|
|
43 |
/* the s5h1409 delivers both fields in 0.1dB increments, while
|
|
44 |
* some demods expect signal to be 0-65535 and SNR to be in 1/256 increments
|
|
45 |
*/
|
|
46 |
|
| 40 |
47 |
#define FE_STATUS_PARAMS (DVBFE_INFO_LOCKSTATUS|DVBFE_INFO_SIGNAL_STRENGTH|DVBFE_INFO_BER|DVBFE_INFO_SNR|DVBFE_INFO_UNCORRECTED_BLOCKS)
|
| 41 |
48 |
|
| 42 |
49 |
static char *usage_str =
|
| 43 |
50 |
"\nusage: femon [options]\n"
|
| 44 |
|
" -H : human readable output\n"
|
|
51 |
" -H : human readable output: (signal: 0-65335, snr: 1/256 increments)\n"
|
|
52 |
" -2 : human readable output: (signal and snr in .1 dB increments)\n"
|
| 45 |
53 |
" -A : Acoustical mode. A sound indicates the signal quality.\n"
|
| 46 |
54 |
" -r : If 'Acoustical mode' is active it tells the application\n"
|
| 47 |
55 |
" is called remotely via ssh. The sound is heard on the 'real'\n"
|
| ... | ... | |
| 62 |
70 |
|
| 63 |
71 |
|
| 64 |
72 |
static
|
| 65 |
|
int check_frontend (struct dvbfe_handle *fe, int human_readable, unsigned int count)
|
|
73 |
int check_frontend (struct dvbfe_handle *fe, int human_readable, int db_readable, unsigned int count)
|
| 66 |
74 |
{
|
| 67 |
75 |
struct dvbfe_info fe_info;
|
| 68 |
76 |
unsigned int samples = 0;
|
| ... | ... | |
| 93 |
101 |
fprintf(stderr, "Problem retrieving frontend information: %m\n");
|
| 94 |
102 |
}
|
| 95 |
103 |
|
|
104 |
// print the status code
|
|
105 |
printf ("status %c%c%c%c%c | ",
|
|
106 |
fe_info.signal ? 'S' : ' ',
|
|
107 |
fe_info.carrier ? 'C' : ' ',
|
|
108 |
fe_info.viterbi ? 'V' : ' ',
|
|
109 |
fe_info.sync ? 'Y' : ' ',
|
|
110 |
fe_info.lock ? 'L' : ' ' );
|
| 96 |
111 |
|
|
112 |
if (db_readable) {
|
|
113 |
printf ("signal %3.0fdB | snr %3.0fdB",
|
|
114 |
(fe_info.signal_strength * 0.1),
|
|
115 |
(fe_info.snr * 0.1) );
|
|
116 |
} else if (human_readable) {
|
|
117 |
printf ("signal %3u%% | snr %3u%%",
|
|
118 |
(fe_info.signal_strength * 100) / 0xffff,
|
|
119 |
(fe_info.snr * 100) / 0xffff );
|
|
120 |
} else {
|
|
121 |
printf ("signal %04x | snr %04x",
|
|
122 |
fe_info.signal_strength,
|
|
123 |
fe_info.snr );
|
|
124 |
}
|
| 97 |
125 |
|
| 98 |
|
if (human_readable) {
|
| 99 |
|
printf ("status %c%c%c%c%c | signal %3u%% | snr %3u%% | ber %d | unc %d | ",
|
| 100 |
|
fe_info.signal ? 'S' : ' ',
|
| 101 |
|
fe_info.carrier ? 'C' : ' ',
|
| 102 |
|
fe_info.viterbi ? 'V' : ' ',
|
| 103 |
|
fe_info.sync ? 'Y' : ' ',
|
| 104 |
|
fe_info.lock ? 'L' : ' ',
|
| 105 |
|
(fe_info.signal_strength * 100) / 0xffff,
|
| 106 |
|
(fe_info.snr * 100) / 0xffff,
|
| 107 |
|
fe_info.ber,
|
| 108 |
|
fe_info.ucblocks);
|
| 109 |
|
} else {
|
| 110 |
|
printf ("status %c%c%c%c%c | signal %04x | snr %04x | ber %08x | unc %08x | ",
|
| 111 |
|
fe_info.signal ? 'S' : ' ',
|
| 112 |
|
fe_info.carrier ? 'C' : ' ',
|
| 113 |
|
fe_info.viterbi ? 'V' : ' ',
|
| 114 |
|
fe_info.sync ? 'Y' : ' ',
|
| 115 |
|
fe_info.lock ? 'L' : ' ',
|
| 116 |
|
fe_info.signal_strength,
|
| 117 |
|
fe_info.snr,
|
| 118 |
|
fe_info.ber,
|
| 119 |
|
fe_info.ucblocks);
|
| 120 |
|
}
|
|
126 |
/* always print ber and ucblocks */
|
|
127 |
printf (" | ber %08x | unc %08x | ",
|
|
128 |
fe_info.ber,
|
|
129 |
fe_info.ucblocks);
|
| 121 |
130 |
|
| 122 |
131 |
if (fe_info.lock)
|
| 123 |
132 |
printf("FE_HAS_LOCK");
|
| ... | ... | |
| 145 |
154 |
|
| 146 |
155 |
|
| 147 |
156 |
static
|
| 148 |
|
int do_mon(unsigned int adapter, unsigned int frontend, int human_readable, unsigned int count)
|
|
157 |
int do_mon(unsigned int adapter, unsigned int frontend, int human_readable, int db_readable, unsigned int count)
|
| 149 |
158 |
{
|
| 150 |
159 |
int result;
|
| 151 |
160 |
struct dvbfe_handle *fe;
|
| ... | ... | |
| 175 |
184 |
}
|
| 176 |
185 |
printf("FE: %s (%s)\n", fe_info.name, fe_type);
|
| 177 |
186 |
|
| 178 |
|
result = check_frontend (fe, human_readable, count);
|
|
187 |
result = check_frontend (fe, human_readable, db_readable, count);
|
| 179 |
188 |
|
| 180 |
189 |
dvbfe_close(fe);
|
| 181 |
190 |
|
| ... | ... | |
| 186 |
195 |
{
|
| 187 |
196 |
unsigned int adapter = 0, frontend = 0, count = 0;
|
| 188 |
197 |
int human_readable = 0;
|
|
198 |
int db_readable = 0;
|
| 189 |
199 |
int opt;
|
| 190 |
200 |
|
| 191 |
|
while ((opt = getopt(argc, argv, "rAHa:f:c:")) != -1) {
|
|
201 |
while ((opt = getopt(argc, argv, "rAH2a:f:c:")) != -1) {
|
| 192 |
202 |
switch (opt)
|
| 193 |
203 |
{
|
| 194 |
204 |
default:
|
| ... | ... | |
| 206 |
216 |
case 'H':
|
| 207 |
217 |
human_readable = 1;
|
| 208 |
218 |
break;
|
|
219 |
case '2':
|
|
220 |
db_readable = 1;
|
|
221 |
break;
|
| 209 |
222 |
case 'A':
|
| 210 |
223 |
// Acoustical mode: we have to reduce the delay between
|
| 211 |
224 |
// checks in order to hear nice sound
|
| ... | ... | |
| 218 |
231 |
}
|
| 219 |
232 |
}
|
| 220 |
233 |
|
| 221 |
|
do_mon(adapter, frontend, human_readable, count);
|
|
234 |
do_mon(adapter, frontend, human_readable, db_readable, count);
|
| 222 |
235 |
|
| 223 |
236 |
return 0;
|
| 224 |
237 |
}
|
