Common library for all Osmocom projects (libosmocore, libosmogsm, libosmovty, libosmogb, libosmosim, libosmousb, ...) https://osmocom.org/projects/libosmocore
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libosmocore/include/osmocom/coding/gsm0503_coding.h

63 lines
2.2 KiB

#pragma once
#include <stdint.h>
#include <osmocom/core/bits.h>
#define GSM0503_GPRS_BURSTS_NBITS (116 * 4)
#define GSM0503_EGPRS_BURSTS_NBITS (348 * 4)
#define NUM_BYTES(N) ((N + 8 - 1) / 8)
enum gsm0503_egprs_mcs {
EGPRS_MCS0,
EGPRS_MCS1,
EGPRS_MCS2,
EGPRS_MCS3,
EGPRS_MCS4,
EGPRS_MCS5,
EGPRS_MCS6,
EGPRS_MCS7,
EGPRS_MCS8,
EGPRS_MCS9,
EGPRS_NUM_MCS,
};
int gsm0503_xcch_encode(ubit_t *bursts, uint8_t *l2_data);
int gsm0503_xcch_decode(uint8_t *l2_data, sbit_t *bursts,
int *n_errors, int *n_bits_total);
int gsm0503_pdtch_encode(ubit_t *bursts, uint8_t *l2_data, uint8_t l2_len);
int gsm0503_pdtch_decode(uint8_t *l2_data, sbit_t *bursts, uint8_t *usf_p,
int *n_errors, int *n_bits_total);
int gsm0503_pdtch_egprs_encode(ubit_t *bursts, uint8_t *l2_data,
uint8_t l2_len);
int gsm0503_pdtch_egprs_decode(uint8_t *l2_data, sbit_t *bursts,
uint16_t nbits, uint8_t *usf_p, int *n_errors, int *n_bits_total);
int gsm0503_tch_fr_encode(ubit_t *bursts, uint8_t *tch_data, int len,
int net_order);
int gsm0503_tch_fr_decode(uint8_t *tch_data, sbit_t *bursts, int net_order,
int efr, int *n_errors, int *n_bits_total);
int gsm0503_tch_hr_encode(ubit_t *bursts, uint8_t *tch_data, int len);
int gsm0503_tch_hr_decode(uint8_t *tch_data, sbit_t *bursts, int odd,
int *n_errors, int *n_bits_total);
int gsm0503_tch_afs_encode(ubit_t *bursts, uint8_t *tch_data, int len,
int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft,
uint8_t cmr);
int gsm0503_tch_afs_decode(uint8_t *tch_data, sbit_t *bursts,
int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft,
uint8_t *cmr, int *n_errors, int *n_bits_total);
int gsm0503_tch_ahs_encode(ubit_t *bursts, uint8_t *tch_data, int len,
int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft, uint8_t cmr);
int gsm0503_tch_ahs_decode(uint8_t *tch_data, sbit_t *bursts, int odd,
int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft,
uint8_t *cmr, int *n_errors, int *n_bits_total);
int gsm0503_rach_encode(ubit_t *burst, uint8_t *ra, uint8_t bsic);
int gsm0503_rach_decode(uint8_t *ra, sbit_t *burst, uint8_t bsic);
int gsm0503_sch_encode(ubit_t *burst, uint8_t *sb_info);
int gsm0503_sch_decode(uint8_t *sb_info, sbit_t *burst);