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> |
| 8 | #include <osmocom/core/bits.h> |
| 9 | |
Harald Welte | c663678 | 2017-06-12 14:59:37 +0200 | [diff] [blame] | 10 | /*! \addtogroup coding |
| 11 | * @{ |
Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 12 | * \file gsm0503_coding.h */ |
Harald Welte | c663678 | 2017-06-12 14:59:37 +0200 | [diff] [blame] | 13 | |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 14 | #define GSM0503_GPRS_BURSTS_NBITS (116 * 4) |
| 15 | #define GSM0503_EGPRS_BURSTS_NBITS (348 * 4) |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 16 | |
| 17 | enum gsm0503_egprs_mcs { |
| 18 | EGPRS_MCS0, |
| 19 | EGPRS_MCS1, |
| 20 | EGPRS_MCS2, |
| 21 | EGPRS_MCS3, |
| 22 | EGPRS_MCS4, |
| 23 | EGPRS_MCS5, |
| 24 | EGPRS_MCS6, |
| 25 | EGPRS_MCS7, |
| 26 | EGPRS_MCS8, |
| 27 | EGPRS_MCS9, |
| 28 | EGPRS_NUM_MCS, |
| 29 | }; |
| 30 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 31 | int gsm0503_xcch_encode(ubit_t *bursts, const uint8_t *l2_data); |
| 32 | int gsm0503_xcch_decode(uint8_t *l2_data, const sbit_t *bursts, |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 33 | int *n_errors, int *n_bits_total); |
| 34 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 35 | int gsm0503_pdtch_encode(ubit_t *bursts, const uint8_t *l2_data, uint8_t l2_len); |
| 36 | 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] | 37 | int *n_errors, int *n_bits_total); |
| 38 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 39 | 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] | 40 | uint8_t l2_len); |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 41 | 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] | 42 | uint16_t nbits, uint8_t *usf_p, int *n_errors, int *n_bits_total); |
| 43 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 44 | 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] | 45 | int net_order); |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 46 | 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] | 47 | int efr, int *n_errors, int *n_bits_total); |
| 48 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 49 | int gsm0503_tch_hr_encode(ubit_t *bursts, const uint8_t *tch_data, int len); |
| 50 | 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] | 51 | int *n_errors, int *n_bits_total); |
| 52 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 53 | 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] | 54 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft, |
| 55 | uint8_t cmr); |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 56 | 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] | 57 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, |
| 58 | uint8_t *cmr, int *n_errors, int *n_bits_total); |
| 59 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 60 | 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] | 61 | 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] | 62 | 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] | 63 | int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft, |
| 64 | uint8_t *cmr, int *n_errors, int *n_bits_total); |
| 65 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 66 | int gsm0503_rach_encode(ubit_t *burst, const uint8_t *ra, uint8_t bsic); |
| 67 | int gsm0503_rach_decode(uint8_t *ra, const sbit_t *burst, uint8_t bsic); |
Vadim Yanitskiy | 3262f82 | 2016-09-23 01:48:59 +0700 | [diff] [blame] | 68 | |
Harald Welte | b9946d3 | 2017-06-12 09:40:16 +0200 | [diff] [blame] | 69 | int gsm0503_sch_encode(ubit_t *burst, const uint8_t *sb_info); |
| 70 | int gsm0503_sch_decode(uint8_t *sb_info, const sbit_t *burst); |
Harald Welte | c663678 | 2017-06-12 14:59:37 +0200 | [diff] [blame] | 71 | |
| 72 | /*! @} */ |