diff options
author | Harald Welte <laforge@gnumonks.org> | 2017-06-12 14:59:37 +0200 |
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committer | Harald Welte <laforge@gnumonks.org> | 2017-06-12 15:35:23 +0200 |
commit | c663678b26aed636e13b56ab8a220791e268f244 (patch) | |
tree | dfadda0a6275a55672b16bde1e00fbce34c7f28e /src/coding/gsm0503_interleaving.c | |
parent | b9946d372cb17c95ef629449961004d6e6f12239 (diff) |
Add doxygen documentation to libosmocoding
This adds the minimum amount of API documentation that we should have on
all our code, particularly new code merged into a library.
Change-Id: I526804f64313867913574e50e5b9e9205ad3aa74
Diffstat (limited to 'src/coding/gsm0503_interleaving.c')
-rw-r--r-- | src/coding/gsm0503_interleaving.c | 117 |
1 files changed, 116 insertions, 1 deletions
diff --git a/src/coding/gsm0503_interleaving.c b/src/coding/gsm0503_interleaving.c index 22ad6f69..61d4fdc6 100644 --- a/src/coding/gsm0503_interleaving.c +++ b/src/coding/gsm0503_interleaving.c @@ -1,6 +1,7 @@ /* * (C) 2013 by Andreas Eversberg <jolly@eversberg.eu> * (C) 2016 by Tom Tsou <tom.tsou@ettus.com> + * (C) 2017 by Hrald Welte <laforge@gnumonks.org> * * All Rights Reserved * @@ -26,6 +27,16 @@ #include <osmocom/coding/gsm0503_tables.h> #include <osmocom/coding/gsm0503_interleaving.h> +/*! \addtogroup interleaving + * @{ + * \brief GSM TS 05.03 interleaving + * + * This module contains interleaving / de-interleaving routines for + * various channel types, as defined in 3GPP TS 05.03 / 45.003 + */ + +/*! \file gsm0503_interleaving.c */ + /* * GSM xCCH interleaving and burst mapping * @@ -48,6 +59,9 @@ * Where hl(B) and hn(B) are bits in burst B indicating flags. */ +/*! \brief De-Interleave burst bits according to TS 05.03 4.1.4 + * \param[out] cB caller-allocated output buffer for 456 soft coded bits + * \param[in] iB 456 soft input bits */ void gsm0503_xcch_deinterleave(sbit_t *cB, const sbit_t *iB) { int j, k, B; @@ -59,6 +73,9 @@ void gsm0503_xcch_deinterleave(sbit_t *cB, const sbit_t *iB) } } +/*! \brief Interleave burst bits according to TS 05.03 4.1.4 + * \param[out] iB caller-allocated output buffer for 456 soft interleaved bits + * \param[in] cB 456 soft input coded bits */ void gsm0503_xcch_interleave(ubit_t *cB, ubit_t *iB) { int j, k, B; @@ -70,6 +87,11 @@ void gsm0503_xcch_interleave(ubit_t *cB, ubit_t *iB) } } +/*! \brief De-Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.1.5 + * \param[out] u caller-allocated output buffer for 12 soft coded bits + * \param[out] hc caller-allocated output buffer for 68 soft coded bits + * \param[out] dc caller-allocated output buffer for 372 soft coded bits + * \param[in] iB 452 interleaved soft input bits */ void gsm0503_mcs1_dl_deinterleave(sbit_t *u, sbit_t *hc, sbit_t *dc, const sbit_t *iB) { @@ -106,6 +128,11 @@ void gsm0503_mcs1_dl_deinterleave(sbit_t *u, sbit_t *hc, } } +/*! \brief Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.1.5 + * \param[in] up 12 input soft coded bits (usf) + * \param[in] hc 68 input soft coded bits (header) + * \param[in] dc 372 input soft bits (data) + * \param[out] iB 456 interleaved soft output bits */ void gsm0503_mcs1_dl_interleave(const ubit_t *up, const ubit_t *hc, const ubit_t *dc, ubit_t *iB) { @@ -139,6 +166,10 @@ void gsm0503_mcs1_dl_interleave(const ubit_t *up, const ubit_t *hc, gsm0503_xcch_interleave(cp, iB); } +/*! \brief Interleave MCS1 UL burst bits according to TS 05.03 5.1.5.2.4 + * \param[out] hc caller-allocated output buffer for 80 soft coded header bits + * \param[out] dc caller-allocated output buffer for 372 soft coded data bits + * \param[in] iB 456 interleaved soft input bits */ void gsm0503_mcs1_ul_deinterleave(sbit_t *hc, sbit_t *dc, const sbit_t *iB) { int k; @@ -169,6 +200,10 @@ void gsm0503_mcs1_ul_deinterleave(sbit_t *hc, sbit_t *dc, const sbit_t *iB) } } +/*! \brief Interleave MCS1 DL burst bits according to TS 05.03 5.1.5.2.4 + * \param[in] hc 80 input coded bits (header) + * \param[in] dc 372 input bits (data) + * \param[out] iB 456 interleaved output bits */ void gsm0503_mcs1_ul_interleave(const ubit_t *hc, const ubit_t *dc, ubit_t *iB) { int k; @@ -199,6 +234,11 @@ void gsm0503_mcs1_ul_interleave(const ubit_t *hc, const ubit_t *dc, ubit_t *iB) gsm0503_xcch_interleave(cp, iB); } +/*! \brief Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.2.4 + * \param[in] hc 136 soft coded header input bits + * \param[in] dc 1248 soft coded data input bits + * \param[out] hi 136 interleaved header output bits + * \param[out] di 1248 interleaved data output bits */ void gsm0503_mcs5_ul_interleave(const ubit_t *hc, const ubit_t *dc, ubit_t *hi, ubit_t *di) { @@ -217,6 +257,10 @@ void gsm0503_mcs5_ul_interleave(const ubit_t *hc, const ubit_t *dc, } } +/*! \brief De-Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.2.4 + * \param[out] hc caller-allocated output buffer for 136 soft coded header bits + * \param[out] dc caller-allocated output buffer for 1248 soft coded data bits + * \param[in] iB interleaved soft input bits */ void gsm0503_mcs5_ul_deinterleave(sbit_t *hc, sbit_t *dc, const sbit_t *hi, const sbit_t *di) { @@ -239,6 +283,11 @@ void gsm0503_mcs5_ul_deinterleave(sbit_t *hc, sbit_t *dc, } } +/*! \brief Interleave MCS5 DL burst bits according to TS 05.03 5.1.9.1.5 + * \param[in] hc 100 soft coded header input bits + * \param[in] dc 1248 soft coded data input bits + * \param[out] hi 100 interleaved header output bits + * \param[out] di 1248 interleaved data output bits */ void gsm0503_mcs5_dl_interleave(const ubit_t *hc, const ubit_t *dc, ubit_t *hi, ubit_t *di) { @@ -257,6 +306,10 @@ void gsm0503_mcs5_dl_interleave(const ubit_t *hc, const ubit_t *dc, } } +/*! \brief De-Interleave MCS5 UL burst bits according to TS 05.03 5.1.9.1.5 + * \param[out] hc caller-allocated output buffer for 100 soft coded header bits + * \param[out] dc caller-allocated output buffer for 1248 soft coded data bits + * \param[in] iB interleaved soft input bits */ void gsm0503_mcs5_dl_deinterleave(sbit_t *hc, sbit_t *dc, const sbit_t *hi, const sbit_t *di) { @@ -279,6 +332,12 @@ void gsm0503_mcs5_dl_deinterleave(sbit_t *hc, sbit_t *dc, } } +/*! \brief Interleave MCS7 DL burst bits according to TS 05.03 5.1.11.1.5 + * \param[in] hc 124 soft coded header input bits + * \param[in] c1 612 soft coded data input bits + * \param[in] c2 612 soft coded data input bits + * \param[out] hi 124 interleaved header output bits + * \param[out] di 1224 interleaved data output bits */ void gsm0503_mcs7_dl_interleave(const ubit_t *hc, const ubit_t *c1, const ubit_t *c2, ubit_t *hi, ubit_t *di) { @@ -302,7 +361,12 @@ void gsm0503_mcs7_dl_interleave(const ubit_t *hc, const ubit_t *c1, } } - +/*! \brief De-Interleave MCS7 DL burst bits according to TS 05.03 5.1.11.1.5 + * \param[out] hc caller-allocated output buffer for 124 soft coded header bits + * \param[out] c1 caller-allocated output buffer for 612 soft coded data bits + * \param[out] c2 caller-allocated output buffer for 612 soft coded data bits + * \param[in] hi interleaved soft input header bits + * \param[in] di interleaved soft input data bits */ void gsm0503_mcs7_dl_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, const sbit_t *hi, const sbit_t *di) { @@ -330,6 +394,12 @@ void gsm0503_mcs7_dl_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, } } +/*! \brief Interleave MCS7 UL burst bits according to TS 05.03 5.1.11.2.4 + * \param[in] hc 124 soft coded header input bits + * \param[in] c1 612 soft coded data input bits + * \param[in] c2 612 soft coded data input bits + * \param[out] hi 124 interleaved header output bits + * \param[out] di 1224 interleaved data output bits */ void gsm0503_mcs7_ul_interleave(const ubit_t *hc, const ubit_t *c1, const ubit_t *c2, ubit_t *hi, ubit_t *di) { @@ -353,6 +423,12 @@ void gsm0503_mcs7_ul_interleave(const ubit_t *hc, const ubit_t *c1, } } +/*! \brief De-Interleave MCS7 UL burst bits according to TS 05.03 5.1.11.2.4 + * \param[out] hc caller-allocated output buffer for 160 soft coded header bits + * \param[out] c1 caller-allocated output buffer for 612 soft coded data bits + * \param[out] c2 caller-allocated output buffer for 612 soft coded data bits + * \param[in] hi interleaved soft input header bits + * \param[in] di interleaved soft input data bits */ void gsm0503_mcs7_ul_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, const sbit_t *hi, const sbit_t *di) { @@ -380,6 +456,12 @@ void gsm0503_mcs7_ul_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, } } +/*! \brief Interleave MCS8 UL burst bits according to TS 05.03 5.1.12.2.4 + * \param[in] hc 160 soft coded header input bits + * \param[in] c1 612 soft coded data input bits + * \param[in] c2 612 soft coded data input bits + * \param[out] hi 160 interleaved header output bits + * \param[out] di 1224 interleaved data output bits */ void gsm0503_mcs8_ul_interleave(const ubit_t *hc, const ubit_t *c1, const ubit_t *c2, ubit_t *hi, ubit_t *di) { @@ -403,6 +485,13 @@ void gsm0503_mcs8_ul_interleave(const ubit_t *hc, const ubit_t *c1, } } + +/*! \brief De-Interleave MCS8 UL burst bits according to TS 05.03 5.1.12.2.4 + * \param[out] hc caller-allocated output buffer for 160 soft coded header bits + * \param[out] c1 caller-allocated output buffer for 612 soft coded data bits + * \param[out] c2 caller-allocated output buffer for 612 soft coded data bits + * \param[in] hi interleaved soft input header bits + * \param[in] di interleaved soft input data bits */ void gsm0503_mcs8_ul_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, const sbit_t *hi, const sbit_t *di) { @@ -430,6 +519,12 @@ void gsm0503_mcs8_ul_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, } } +/*! \brief Interleave MCS8 DL burst bits according to TS 05.03 5.1.12.1.5 + * \param[in] hc 124 soft coded header input bits + * \param[in] c1 612 soft coded data input bits + * \param[in] c2 612 soft coded data input bits + * \param[out] hi 124 interleaved header output bits + * \param[out] di 1224 interleaved data output bits */ void gsm0503_mcs8_dl_interleave(const ubit_t *hc, const ubit_t *c1, const ubit_t *c2, ubit_t *hi, ubit_t *di) { @@ -453,6 +548,12 @@ void gsm0503_mcs8_dl_interleave(const ubit_t *hc, const ubit_t *c1, } } +/*! \brief De-Interleave MCS8 DL burst bits according to TS 05.03 5.1.12.1.5 + * \param[out] hc caller-allocated output buffer for 124 soft coded header bits + * \param[out] c1 caller-allocated output buffer for 612 soft coded data bits + * \param[out] c2 caller-allocated output buffer for 612 soft coded data bits + * \param[in] hi interleaved soft input header bits + * \param[in] di interleaved soft input data bits */ void gsm0503_mcs8_dl_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, const sbit_t *hi, const sbit_t *di) { @@ -504,6 +605,9 @@ void gsm0503_mcs8_dl_deinterleave(sbit_t *hc, sbit_t *c1, sbit_t *c2, * Where hl(B) and hn(B) are bits in burst B indicating flags. */ +/*! \brief GSM TCH FR/EFR/AFS De-Interleaving and burst mapping + * \param[out] cB caller-allocated buffer for 456 unpacked output bits + * \param[in] iB 456 unpacked interleaved input bits */ void gsm0503_tch_fr_deinterleave(sbit_t *cB, sbit_t *iB) { int j, k, B; @@ -515,6 +619,9 @@ void gsm0503_tch_fr_deinterleave(sbit_t *cB, sbit_t *iB) } } +/*! \brief GSM TCH FR/EFR/AFS Interleaving and burst mapping + * \param[in] cB caller-allocated buffer for 456 unpacked input bits + * \param[out] iB 456 unpacked interleaved output bits */ void gsm0503_tch_fr_interleave(ubit_t *cB, ubit_t *iB) { int j, k, B; @@ -550,6 +657,9 @@ void gsm0503_tch_fr_interleave(ubit_t *cB, ubit_t *iB) * Where hl(B) and hn(B) are bits in burst B indicating flags. */ +/*! \brief GSM TCH HR/AHS De-Interleaving and burst mapping + * \param[out] cB caller-allocated buffer for 228 unpacked output bits + * \param[in] iB 228 unpacked interleaved input bits */ void gsm0503_tch_hr_deinterleave(sbit_t *cB, sbit_t *iB) { int j, k, B; @@ -561,6 +671,9 @@ void gsm0503_tch_hr_deinterleave(sbit_t *cB, sbit_t *iB) } } +/*! \brief GSM TCH HR/AHS Interleaving and burst mapping + * \param[in] cB caller-allocated buffer for 228 unpacked input bits + * \param[out] iB 228 unpacked interleaved output bits */ void gsm0503_tch_hr_interleave(ubit_t *cB, ubit_t *iB) { int j, k, B; @@ -571,3 +684,5 @@ void gsm0503_tch_hr_interleave(ubit_t *cB, ubit_t *iB) iB[B * 114 + j] = cB[k]; } } + +/*! @} */ |