FreeCalypso > hg > themwi-system-sw
view libutil/osmo_bits.h @ 246:74dae755f85a
themwi-test-mtc: convert to libnumdb2
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 14 Aug 2023 22:37:11 -0800 |
parents | 05d01e810217 |
children |
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/* * This include file has been put together from Osmocom (specifically * libosmocore) header files, containing definitions for bit vector * manipulation and CRC functions. */ /* from bits.h */ /*! unpacked bit (0 or 1): 1 bit per byte */ typedef uint8_t ubit_t; /* from crc8gen.h */ /*! structure describing a given CRC code of max 8 bits */ struct osmo_crc8gen_code { int bits; /*!< Actual number of bits of the CRC */ uint8_t poly; /*!< Polynom (normal representation, MSB omitted */ uint8_t init; /*!< Initialization value of the CRC state */ uint8_t remainder; /*!< Remainder of the CRC (final XOR) */ }; uint8_t osmo_crc8gen_compute_bits(const struct osmo_crc8gen_code *code, const ubit_t *in, int len); int osmo_crc8gen_check_bits(const struct osmo_crc8gen_code *code, const ubit_t *in, int len, const ubit_t *crc_bits); void osmo_crc8gen_set_bits(const struct osmo_crc8gen_code *code, const ubit_t *in, int len, ubit_t *crc_bits); /* * Themyscira-added (not Osmocom-originating) functions * that use the ubit_t defined type that (to our knowledge) * was invented by Osmocom. */ void uint16_to_bits(uint16_t word, ubit_t *out, unsigned nbits);