diff options
Diffstat (limited to 'include/osmocom/coding/gsm0503_coding.h')
-rw-r--r-- | include/osmocom/coding/gsm0503_coding.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/osmocom/coding/gsm0503_coding.h b/include/osmocom/coding/gsm0503_coding.h new file mode 100644 index 00000000..b8eb2052 --- /dev/null +++ b/include/osmocom/coding/gsm0503_coding.h @@ -0,0 +1,63 @@ +#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); |