libosmocoding  0.11.0-dirty
Osmocom GSM/GPRS/EGPRS L1 channel coding library
include/osmocom/coding/gsm0503_coding.h
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00001 
00005 #pragma once
00006 
00007 #include <stdint.h>
00008 
00009 #include <osmocom/core/defs.h>
00010 #include <osmocom/core/bits.h>
00011 
00016 #define GSM0503_GPRS_BURSTS_NBITS       (116 * 4)
00017 #define GSM0503_EGPRS_BURSTS_NBITS      (348 * 4)
00018 
00019 enum gsm0503_egprs_mcs {
00020         EGPRS_MCS0,
00021         EGPRS_MCS1,
00022         EGPRS_MCS2,
00023         EGPRS_MCS3,
00024         EGPRS_MCS4,
00025         EGPRS_MCS5,
00026         EGPRS_MCS6,
00027         EGPRS_MCS7,
00028         EGPRS_MCS8,
00029         EGPRS_MCS9,
00030         EGPRS_NUM_MCS,
00031 };
00032 
00033 int gsm0503_xcch_encode(ubit_t *bursts, const uint8_t *l2_data);
00034 int gsm0503_xcch_decode(uint8_t *l2_data, const sbit_t *bursts,
00035         int *n_errors, int *n_bits_total);
00036 
00037 int gsm0503_pdtch_encode(ubit_t *bursts, const uint8_t *l2_data, uint8_t l2_len);
00038 int gsm0503_pdtch_decode(uint8_t *l2_data, const sbit_t *bursts, uint8_t *usf_p,
00039         int *n_errors, int *n_bits_total);
00040 
00041 int gsm0503_pdtch_egprs_encode(ubit_t *bursts, const uint8_t *l2_data,
00042         uint8_t l2_len);
00043 int gsm0503_pdtch_egprs_decode(uint8_t *l2_data, const sbit_t *bursts,
00044         uint16_t nbits, uint8_t *usf_p, int *n_errors, int *n_bits_total);
00045 
00046 int gsm0503_tch_fr_encode(ubit_t *bursts, const uint8_t *tch_data, int len,
00047         int net_order);
00048 int gsm0503_tch_fr_decode(uint8_t *tch_data, const sbit_t *bursts, int net_order,
00049         int efr, int *n_errors, int *n_bits_total);
00050 
00051 int gsm0503_tch_hr_encode(ubit_t *bursts, const uint8_t *tch_data, int len);
00052 int gsm0503_tch_hr_decode(uint8_t *tch_data, const sbit_t *bursts, int odd,
00053         int *n_errors, int *n_bits_total);
00054 
00055 int gsm0503_tch_afs_encode(ubit_t *bursts, const uint8_t *tch_data, int len,
00056         int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft,
00057         uint8_t cmr);
00058 int gsm0503_tch_afs_decode(uint8_t *tch_data, const sbit_t *bursts,
00059         int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft,
00060         uint8_t *cmr, int *n_errors, int *n_bits_total);
00061 
00062 int gsm0503_tch_ahs_encode(ubit_t *bursts, const uint8_t *tch_data, int len,
00063         int codec_mode_req, uint8_t *codec, int codecs, uint8_t ft, uint8_t cmr);
00064 int gsm0503_tch_ahs_decode(uint8_t *tch_data, const sbit_t *bursts, int odd,
00065         int codec_mode_req, uint8_t *codec, int codecs, uint8_t *ft,
00066         uint8_t *cmr, int *n_errors, int *n_bits_total);
00067 
00068 int gsm0503_rach_ext_encode(ubit_t *burst, uint16_t ra, uint8_t bsic, bool is_11bit);
00069 int gsm0503_rach_encode(ubit_t *burst, const uint8_t *ra, uint8_t bsic) OSMO_DEPRECATED("Use gsm0503_rach_ext_encode() instead");
00070 
00071 int gsm0503_rach_decode(uint8_t *ra, const sbit_t *burst, uint8_t bsic)
00072         OSMO_DEPRECATED("Use gsm0503_rach_decode_ber() instead");
00073 int gsm0503_rach_decode_ber(uint8_t *ra, const sbit_t *burst, uint8_t bsic,
00074                             int *n_errors, int *n_bits_total);
00075 int gsm0503_rach_ext_decode(uint16_t *ra, const sbit_t *burst, uint8_t bsic)
00076         OSMO_DEPRECATED("Use gsm0503_rach_ext_decode_ber() instead");
00077 int gsm0503_rach_ext_decode_ber(uint16_t *ra, const sbit_t *burst, uint8_t bsic,
00078                                 int *n_errors, int *n_bits_total);
00079 
00080 int gsm0503_sch_encode(ubit_t *burst, const uint8_t *sb_info);
00081 int gsm0503_sch_decode(uint8_t *sb_info, const sbit_t *burst);
00082 
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