libosmocoding  0.9.6.250-0d49f
Osmocom L1 transcoding library
 All Data Structures
gsm0503_coding.h
1 #pragma once
2 
3 #include <stdint.h>
4 #include <osmocom/core/bits.h>
5 
6 #define GSM0503_GPRS_BURSTS_NBITS (116 * 4)
7 #define GSM0503_EGPRS_BURSTS_NBITS (348 * 4)
8 #define NUM_BYTES(N) ((N + 8 - 1) / 8)
9 
10 enum gsm0503_egprs_mcs {
11  EGPRS_MCS0,
12  EGPRS_MCS1,
13  EGPRS_MCS2,
14  EGPRS_MCS3,
15  EGPRS_MCS4,
16  EGPRS_MCS5,
17  EGPRS_MCS6,
18  EGPRS_MCS7,
19  EGPRS_MCS8,
20  EGPRS_MCS9,
21  EGPRS_NUM_MCS,
22 };
23 
24 int gsm0503_xcch_encode(ubit_t *bursts, uint8_t *l2_data);
25 int gsm0503_xcch_decode(uint8_t *l2_data, sbit_t *bursts,
26  int *n_errors, int *n_bits_total);
27 
28 int gsm0503_pdtch_encode(ubit_t *bursts, uint8_t *l2_data, uint8_t l2_len);
29 int gsm0503_pdtch_decode(uint8_t *l2_data, sbit_t *bursts, uint8_t *usf_p,
30  int *n_errors, int *n_bits_total);
31 
32 int gsm0503_pdtch_egprs_encode(ubit_t *bursts, uint8_t *l2_data,
33  uint8_t l2_len);
34 int gsm0503_pdtch_egprs_decode(uint8_t *l2_data, sbit_t *bursts,
35  uint16_t nbits, uint8_t *usf_p, int *n_errors, int *n_bits_total);
36 
37 int gsm0503_tch_fr_encode(ubit_t *bursts, uint8_t *tch_data, int len,
38  int net_order);
39 int gsm0503_tch_fr_decode(uint8_t *tch_data, sbit_t *bursts, int net_order,
40  int efr, int *n_errors, int *n_bits_total);
41 
42 int gsm0503_tch_hr_encode(ubit_t *bursts, uint8_t *tch_data, int len);
43 int gsm0503_tch_hr_decode(uint8_t *tch_data, sbit_t *bursts, int odd,
44  int *n_errors, int *n_bits_total);
45 
46 int gsm0503_tch_afs_encode(ubit_t *bursts, uint8_t *tch_data, int len,
47  int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft,
48  uint8_t cmr);
49 int gsm0503_tch_afs_decode(uint8_t *tch_data, sbit_t *bursts,
50  int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft,
51  uint8_t *cmr, int *n_errors, int *n_bits_total);
52 
53 int gsm0503_tch_ahs_encode(ubit_t *bursts, uint8_t *tch_data, int len,
54  int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft, uint8_t cmr);
55 int gsm0503_tch_ahs_decode(uint8_t *tch_data, sbit_t *bursts, int odd,
56  int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft,
57  uint8_t *cmr, int *n_errors, int *n_bits_total);
58 
59 int gsm0503_rach_encode(ubit_t *burst, uint8_t *ra, uint8_t bsic);
60 int gsm0503_rach_decode(uint8_t *ra, sbit_t *burst, uint8_t bsic);
61 
62 int gsm0503_sch_encode(ubit_t *burst, uint8_t *sb_info);
63 int gsm0503_sch_decode(uint8_t *sb_info, sbit_t *burst);