Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 1 | /*! \file gsm0503_coding.h |
| 2 | * GSM TS 05.03 coding |
| 3 | */ |
| 4 | |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 5 | #pragma once |
| 6 | |
| 7 | #include <stdint.h> |
Max | 32e5641 | 2017-10-16 14:58:00 +0200 | [diff] [blame] | 8 | |
| 9 | #include <osmocom/core/defs.h> |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 10 | #include <osmocom/core/bits.h> |
| 11 | |
Harald Welte | c663678 | 2017-06-12 14:59:37 +0200 | [diff] [blame] | 12 | /*! \addtogroup coding |
| 13 | * @{ |
Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 14 | * \file gsm0503_coding.h */ |
Harald Welte | c663678 | 2017-06-12 14:59:37 +0200 | [diff] [blame] | 15 | |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 16 | #define GSM0503_GPRS_BURSTS_NBITS (116 * 4) |
| 17 | #define GSM0503_EGPRS_BURSTS_NBITS (348 * 4) |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 18 | |
| 19 | enum gsm0503_egprs_mcs { |
| 20 | EGPRS_MCS0, |
| 21 | EGPRS_MCS1, |
| 22 | EGPRS_MCS2, |
| 23 | EGPRS_MCS3, |
| 24 | EGPRS_MCS4, |
| 25 | EGPRS_MCS5, |
| 26 | EGPRS_MCS6, |
| 27 | EGPRS_MCS7, |
| 28 | EGPRS_MCS8, |
| 29 | EGPRS_MCS9, |
| 30 | EGPRS_NUM_MCS, |
| 31 | }; |
| 32 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 33 | int gsm0503_xcch_encode(ubit_t *bursts, const uint8_t *l2_data); |
| 34 | int gsm0503_xcch_decode(uint8_t *l2_data, const sbit_t *bursts, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 35 | int *n_errors, int *n_bits_total); |
| 36 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 37 | int gsm0503_pdtch_encode(ubit_t *bursts, const uint8_t *l2_data, uint8_t l2_len); |
| 38 | int gsm0503_pdtch_decode(uint8_t *l2_data, const sbit_t *bursts, uint8_t *usf_p, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 39 | int *n_errors, int *n_bits_total); |
| 40 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 41 | int gsm0503_pdtch_egprs_encode(ubit_t *bursts, const uint8_t *l2_data, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 42 | uint8_t l2_len); |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 43 | int gsm0503_pdtch_egprs_decode(uint8_t *l2_data, const sbit_t *bursts, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 44 | uint16_t nbits, uint8_t *usf_p, int *n_errors, int *n_bits_total); |
| 45 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 46 | int gsm0503_tch_fr_encode(ubit_t *bursts, const uint8_t *tch_data, int len, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 47 | int net_order); |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 48 | int gsm0503_tch_fr_decode(uint8_t *tch_data, const sbit_t *bursts, int net_order, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 49 | int efr, int *n_errors, int *n_bits_total); |
| 50 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 51 | int gsm0503_tch_hr_encode(ubit_t *bursts, const uint8_t *tch_data, int len); |
| 52 | int gsm0503_tch_hr_decode(uint8_t *tch_data, const sbit_t *bursts, int odd, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 53 | int *n_errors, int *n_bits_total); |
| 54 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 55 | int gsm0503_tch_afs_encode(ubit_t *bursts, const uint8_t *tch_data, int len, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 56 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft, |
| 57 | uint8_t cmr); |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 58 | int gsm0503_tch_afs_decode(uint8_t *tch_data, const sbit_t *bursts, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 59 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, |
| 60 | uint8_t *cmr, int *n_errors, int *n_bits_total); |
Philipp Maier | 898c9c6 | 2020-02-06 14:25:01 +0100 | [diff] [blame] | 61 | int gsm0503_tch_afs_decode_dtx(uint8_t *tch_data, const sbit_t *bursts, |
| 62 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, |
| 63 | uint8_t *cmr, int *n_errors, int *n_bits_total, uint8_t *dtx); |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 64 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 65 | int gsm0503_tch_ahs_encode(ubit_t *bursts, const uint8_t *tch_data, int len, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 66 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft, uint8_t cmr); |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 67 | int gsm0503_tch_ahs_decode(uint8_t *tch_data, const sbit_t *bursts, int odd, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 68 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, |
| 69 | uint8_t *cmr, int *n_errors, int *n_bits_total); |
Philipp Maier | 898c9c6 | 2020-02-06 14:25:01 +0100 | [diff] [blame] | 70 | int gsm0503_tch_ahs_decode_dtx(uint8_t *tch_data, const sbit_t *bursts, int odd, |
| 71 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, |
| 72 | uint8_t *cmr, int *n_errors, int *n_bits_total, uint8_t *dtx); |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 73 | |
Max | 32e5641 | 2017-10-16 14:58:00 +0200 | [diff] [blame] | 74 | int gsm0503_rach_ext_encode(ubit_t *burst, uint16_t ra, uint8_t bsic, bool is_11bit); |
| 75 | int gsm0503_rach_encode(ubit_t *burst, const uint8_t *ra, uint8_t bsic) OSMO_DEPRECATED("Use gsm0503_rach_ext_encode() instead"); |
| 76 | |
Harald Welte | 6950b19 | 2018-02-26 11:48:00 +0100 | [diff] [blame] | 77 | int gsm0503_rach_decode(uint8_t *ra, const sbit_t *burst, uint8_t bsic) |
| 78 | OSMO_DEPRECATED("Use gsm0503_rach_decode_ber() instead"); |
| 79 | int gsm0503_rach_decode_ber(uint8_t *ra, const sbit_t *burst, uint8_t bsic, |
| 80 | int *n_errors, int *n_bits_total); |
| 81 | int gsm0503_rach_ext_decode(uint16_t *ra, const sbit_t *burst, uint8_t bsic) |
| 82 | OSMO_DEPRECATED("Use gsm0503_rach_ext_decode_ber() instead"); |
| 83 | int gsm0503_rach_ext_decode_ber(uint16_t *ra, const sbit_t *burst, uint8_t bsic, |
| 84 | int *n_errors, int *n_bits_total); |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 85 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 86 | int gsm0503_sch_encode(ubit_t *burst, const uint8_t *sb_info); |
| 87 | int gsm0503_sch_decode(uint8_t *sb_info, const sbit_t *burst); |
Harald Welte | c663678 | 2017-06-12 14:59:37 +0200 | [diff] [blame] | 88 | |
| 89 | /*! @} */ |