diff options
author | Harald Welte <laforge@osmocom.org> | 2022-11-29 23:16:52 +0100 |
---|---|---|
committer | Harald Welte <laforge@osmocom.org> | 2023-03-08 20:43:15 +0100 |
commit | c4cfb802dfc4be4abb04cb3a716a067b1686cc88 (patch) | |
tree | 0343ea42377bdbad69585f4d1fea8e4acc2ff094 /include/osmocom/gsm | |
parent | 065dab866e9ba4f9465ca1682818cc0159dad801 (diff) |
gsm: TS 44.021 modified V.110 frame encoding/decoding support
3GPP TS 44.021 specifies the format for modified V.110 frames as used
on the GSM air (radio) interface. Implement encoders and decoders for
this modified V.110 format.
Related: OS#1572
Change-Id: I60a2f2690459359437df20cf4da9043fa7c3ad11
Diffstat (limited to 'include/osmocom/gsm')
-rw-r--r-- | include/osmocom/gsm/Makefile.am | 1 | ||||
-rw-r--r-- | include/osmocom/gsm/gsm44021.h | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/osmocom/gsm/Makefile.am b/include/osmocom/gsm/Makefile.am index 2c59e557..f840a275 100644 --- a/include/osmocom/gsm/Makefile.am +++ b/include/osmocom/gsm/Makefile.am @@ -29,6 +29,7 @@ osmogsm_HEADERS = \ gsm23003.h \ gsm23236.h \ gsm29118.h \ + gsm44021.h \ gsm48.h \ gsm48_arfcn_range_encode.h \ gsm48_ie.h \ diff --git a/include/osmocom/gsm/gsm44021.h b/include/osmocom/gsm/gsm44021.h new file mode 100644 index 00000000..8f89c56b --- /dev/null +++ b/include/osmocom/gsm/gsm44021.h @@ -0,0 +1,8 @@ +#pragma once +#include <osmocom/isdn/v110.h> + +int osmo_csd_12k_6k_decode_frame(struct osmo_v110_decoded_frame *fr, const ubit_t *ra_bits, size_t n_bits); +int osmo_csd_12k_6k_encode_frame(ubit_t *ra_bits, size_t ra_bits_size, const struct osmo_v110_decoded_frame *fr); +int osmo_csd_3k6_decode_frame(struct osmo_v110_decoded_frame *fr, const ubit_t *ra_bits, size_t n_bits); +int osmo_csd_3k6_encode_frame(ubit_t *ra_bits, size_t ra_bits_size, const struct osmo_v110_decoded_frame *fr); +void osmo_csd_ubit_dump(FILE *outf, const ubit_t *fr, size_t in_len); |