FreeCalypso > hg > gsm-net-reveng

annotate trau-decode/parse-efr.c @ 38:d7674c80426c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
trau-parse: add decoding of data frames
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 12 Sep 2024 19:50:29 +0000
parents bf5c9fb431b8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This module implements the EFR decoding part of trau-parse.
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <stdio.h>
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdint.h>
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdlib.h>
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <string.h>
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <strings.h>
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <gsm_efr.h>
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include "osmo_bits.h"
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 /*
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 * EFR TRAU parity
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 *
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 * g(x) = x^3 + x^1 + 1
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 */
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 static const struct osmo_crc8gen_code gsm0860_efr_crc3 = {
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 .bits = 3,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 .poly = 0x3,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 .init = 0x0,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 .remainder = 0x7,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 };
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 /* re-combine EFR parity bits */
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 static inline void efr_parity_bits_1(ubit_t *check_bits, const ubit_t *d_bits)
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 {
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 memcpy(check_bits + 0 , d_bits + 0, 22);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 memcpy(check_bits + 22 , d_bits + 24, 3);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 check_bits[25] = d_bits[28];
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 }
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 static inline void efr_parity_bits_2(ubit_t *check_bits, const ubit_t *d_bits)
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 {
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 memcpy(check_bits + 0 , d_bits + 42, 10);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 memcpy(check_bits + 10 , d_bits + 90, 2);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 }
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 static inline void efr_parity_bits_3(ubit_t *check_bits, const ubit_t *d_bits)
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 {
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 memcpy(check_bits + 0 , d_bits + 98, 5);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 check_bits[5] = d_bits[104];
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 memcpy(check_bits + 6 , d_bits + 143, 2);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 }
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 static inline void efr_parity_bits_4(ubit_t *check_bits, const ubit_t *d_bits)
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 {
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 memcpy(check_bits + 0 , d_bits + 151, 10);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 memcpy(check_bits + 10 , d_bits + 199, 2);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 }
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 static inline void efr_parity_bits_5(ubit_t *check_bits, const ubit_t *d_bits)
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 {
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 memcpy(check_bits + 0 , d_bits + 207, 5);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 check_bits[5] = d_bits[213];
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 memcpy(check_bits + 6 , d_bits + 252, 2);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 }
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 void
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 check_efr_crc(d_bits)
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 ubit_t *d_bits;
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 {
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 ubit_t check_bits[26];
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 int rc1, rc2, rc3, rc4, rc5;
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 efr_parity_bits_1(check_bits, d_bits);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 rc1 = osmo_crc8gen_check_bits(&gsm0860_efr_crc3, check_bits, 26,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 d_bits + 39);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 efr_parity_bits_2(check_bits, d_bits);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 rc2 = osmo_crc8gen_check_bits(&gsm0860_efr_crc3, check_bits, 12,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 d_bits + 95);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 efr_parity_bits_3(check_bits, d_bits);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 rc3 = osmo_crc8gen_check_bits(&gsm0860_efr_crc3, check_bits, 8,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 d_bits + 148);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 efr_parity_bits_4(check_bits, d_bits);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 rc4 = osmo_crc8gen_check_bits(&gsm0860_efr_crc3, check_bits, 12,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 d_bits + 204);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 efr_parity_bits_5(check_bits, d_bits);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 rc5 = osmo_crc8gen_check_bits(&gsm0860_efr_crc3, check_bits, 8,
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 d_bits + 257);
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 printf(" D1=%u CRC: %s %s %s %s %s\n", d_bits[0],
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 rc1 ? "bad" : "good", rc2 ? "bad" : "good",
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 rc3 ? "bad" : "good", rc4 ? "bad" : "good",
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 rc5 ? "bad" : "good");
d9c095357c32 trau-parse: check and report EFR CRC
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 }
5
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
86
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
87 static void
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
88 dbits_to_frame(d_bits, frame)
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
89 ubit_t *d_bits;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
90 uint8_t *frame;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
91 {
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
92 ubit_t intermed[248], *ip;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
93 uint8_t *op, mask;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
94 unsigned nb;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
95
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
96 intermed[0] = 1;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
97 intermed[1] = 1;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
98 intermed[2] = 0;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
99 intermed[3] = 0;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
100 bcopy(d_bits + 1, intermed + 4, 38);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
101 bcopy(d_bits + 42, intermed + 42, 53);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
102 bcopy(d_bits + 98, intermed + 95, 50);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
103 bcopy(d_bits + 151, intermed + 145, 53);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
104 bcopy(d_bits + 207, intermed + 198, 50);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
105 ip = intermed;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
106 op = frame;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
107 for (nb = 0; nb < EFR_RTP_FRAME_LEN; nb++) {
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
108 *op = 0;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
109 for (mask = 0x80; mask; mask >>= 1) {
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
110 if (*ip)
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
111 *op |= mask;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
112 ip++;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
113 }
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
114 op++;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
115 }
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
116 }
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
117
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
118 void
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
119 print_efr_frame(d_bits)
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
120 ubit_t *d_bits;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
121 {
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
122 uint8_t frame[EFR_RTP_FRAME_LEN];
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
123 int16_t params[EFR_NUM_PARAMS];
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
124 int i, j, n, sid;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
125
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
126 dbits_to_frame(d_bits, frame);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
127 EFR_frame2params(frame, params);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
128 fputs(" EFR frame:\n LPC", stdout);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
129 n = 0;
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
130 for (i = 0; i < 5; i++)
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
131 printf(" %d", params[n++]);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
132 putchar('\n');
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
133 for (i = 0; i < 4; i++) {
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
134 fputs(" ", stdout);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
135 for (j = 0; j < 13; j++)
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
136 printf(" %d", params[n++]);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
137 putchar('\n');
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
138 }
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
139 sid = EFR_sid_classify(frame);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
140 printf(" SID recompute: %d\n", sid);
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
141 if (!bcmp(frame, EFR_decoder_homing_frame, EFR_RTP_FRAME_LEN))
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
142 puts(" Matches DHF");
bf5c9fb431b8 trau-parse: implement EFR decoding
Mychaela Falconia <falcon@freecalypso.org>
parents: 4
diff changeset
143 }