1 /*
2 * Copyright (c) 2011-2012 - Mauro Carvalho Chehab
3 * Copyright (c) 2012 - Andre Roth <neolynx@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation version 2.1 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18 *
19 */
20
21 #include <libdvbv5/desc_sat.h>
22 #include <libdvbv5/dvb-fe.h>
23
24 #if __GNUC__ >= 9
25 #pragma GCC diagnostic ignored "-Waddress-of-packed-member"
26 #endif
27
dvb_desc_sat_init(struct dvb_v5_fe_parms * parms,const uint8_t * buf,struct dvb_desc * desc)28 int dvb_desc_sat_init(struct dvb_v5_fe_parms *parms, const uint8_t *buf, struct dvb_desc *desc)
29 {
30 struct dvb_desc_sat *sat = (struct dvb_desc_sat *) desc;
31 ssize_t size = sizeof(struct dvb_desc_sat) - sizeof(struct dvb_desc);
32
33 if (size > desc->length) {
34 dvb_logerr("dvb_desc_sat_init short read %d/%zd bytes", desc->length, size);
35 return -1;
36 }
37
38 memcpy(desc->data, buf, size);
39 bswap16(sat->orbit);
40 bswap32(sat->bitfield);
41 bswap32(sat->frequency);
42 sat->orbit = dvb_bcd(sat->orbit);
43 sat->frequency = dvb_bcd(sat->frequency) * 10;
44 sat->symbol_rate = dvb_bcd(sat->symbol_rate) * 100;
45
46 return 0;
47 }
48
dvb_desc_sat_print(struct dvb_v5_fe_parms * parms,const struct dvb_desc * desc)49 void dvb_desc_sat_print(struct dvb_v5_fe_parms *parms, const struct dvb_desc *desc)
50 {
51 const struct dvb_desc_sat *sat = (const struct dvb_desc_sat *) desc;
52 char pol;
53 switch(sat->polarization) {
54 case 0:
55 pol = 'H';
56 break;
57 case 1:
58 pol = 'V';
59 break;
60 case 2:
61 pol = 'L';
62 break;
63 case 3:
64 pol = 'R';
65 break;
66 }
67 dvb_loginfo("| modulation_system %s", sat->modulation_system ? "DVB-S2" : "DVB-S");
68 dvb_loginfo("| frequency %d %c", sat->frequency, pol);
69 dvb_loginfo("| symbol_rate %d", sat->symbol_rate);
70 dvb_loginfo("| fec %d", sat->fec);
71 dvb_loginfo("| modulation_type %d", sat->modulation_type);
72 dvb_loginfo("| roll_off %d", sat->roll_off);
73 dvb_loginfo("| orbit %.1f %c", (float) sat->orbit / 10.0, sat->west_east ? 'E' : 'W');
74 }
75
76 const unsigned dvbs_dvbc_dvbs_freq_inner[] = {
77 [0] = FEC_AUTO,
78 [1] = FEC_1_2,
79 [2] = FEC_2_3,
80 [3] = FEC_3_4,
81 [4] = FEC_5_6,
82 [5] = FEC_7_8,
83 [6] = FEC_8_9,
84 [7] = FEC_3_5,
85 [8] = FEC_4_5,
86 [9] = FEC_9_10,
87 [10 ...14] = FEC_AUTO, /* Currently, undefined */
88 [15] = FEC_NONE,
89 };
90
91 const unsigned dvbs_polarization[] = {
92 [0] = POLARIZATION_H,
93 [1] = POLARIZATION_V,
94 [2] = POLARIZATION_L,
95 [3] = POLARIZATION_R
96 };
97
98 const unsigned dvbs_rolloff[] = {
99 [0] = ROLLOFF_35,
100 [1] = ROLLOFF_25,
101 [2] = ROLLOFF_20,
102 [3] = ROLLOFF_AUTO, /* Reserved */
103 };
104
105 const unsigned dvbs_modulation[] = {
106 [0] = QAM_AUTO,
107 [1] = QPSK,
108 [2] = PSK_8,
109 [3] = QAM_16
110 };
111
112