diff options
Diffstat (limited to 'src/bits.c')
| -rw-r--r-- | src/bits.c | 45 |
1 files changed, 39 insertions, 6 deletions
@@ -3,7 +3,20 @@ #include <osmocom/core/bits.h> -/* convert unpacked bits to packed bits, return length in bytes */ +/*! \addtogroup bits + * @{ + */ + +/*! \file bits.c + * \brief Osmocom bit level support code + */ + + +/*! \brief convert unpacked bits to packed bits, return length in bytes + * \param[out] out output buffer of packed bits + * \param[in] in input buffer of unpacked bits + * \param[in] num_bits number of bits + */ int osmo_ubit2pbit(pbit_t *out, const ubit_t *in, unsigned int num_bits) { unsigned int i; @@ -27,7 +40,11 @@ int osmo_ubit2pbit(pbit_t *out, const ubit_t *in, unsigned int num_bits) return outptr - out; } -/* convert packed bits to unpacked bits, return length in bytes */ +/*! \brief convert packed bits to unpacked bits, return length in bytes + * \param[out] out output buffer of unpacked bits + * \param[in] in input buffer of packed bits + * \param[in] num_bits number of bits + */ int osmo_pbit2ubit(ubit_t *out, const pbit_t *in, unsigned int num_bits) { unsigned int i; @@ -64,8 +81,15 @@ int osmo_pbit2ubit(ubit_t *out, const pbit_t *in, unsigned int num_bits) return cur - out; } -/* convert unpacked bits to packed bits (extended options but slower), - * return length in bytes (max written ofs of output buffer + 1) */ +/*! \brief convert unpacked bits to packed bits (extended options) + * \param[out] out output buffer of packed bits + * \param[in] out_ofs offset into output buffer + * \param[in] in input buffer of unpacked bits + * \param[in] in_ofs offset into input buffer + * \param[in] num_bits number of bits + * \param[in] lsb_mode Encode bits in LSB orde instead of MSB + * \returns length in bytes (max written offset of output buffer + 1) + */ int osmo_ubit2pbit_ext(pbit_t *out, unsigned int out_ofs, const ubit_t *in, unsigned int in_ofs, unsigned int num_bits, int lsb_mode) @@ -82,8 +106,15 @@ int osmo_ubit2pbit_ext(pbit_t *out, unsigned int out_ofs, return ((out_ofs + num_bits - 1) >> 3) + 1; } -/* convert packed bits to unpacked bits (extended options but slower), - * return length in bytes (max written ofs of output buffer + 1) */ +/*! \brief convert packed bits to unpacked bits (extended options) + * \param[out] out output buffer of unpacked bits + * \param[in] out_ofs offset into output buffer + * \param[in] in input buffer of packed bits + * \param[in] in_ofs offset into input buffer + * \param[in] num_bits number of bits + * \param[in] lsb_mode Encode bits in LSB orde instead of MSB + * \returns length in bytes (max written offset of output buffer + 1) + */ int osmo_pbit2ubit_ext(ubit_t *out, unsigned int out_ofs, const pbit_t *in, unsigned int in_ofs, unsigned int num_bits, int lsb_mode) @@ -96,3 +127,5 @@ int osmo_pbit2ubit_ext(ubit_t *out, unsigned int out_ofs, } return out_ofs + num_bits; } + +/*! }@ */ |