| #pragma once |
| #include <stdint.h> |
| #include <osmocom/core/bits.h> |
| |
| /*! \brief definition of a PRBS sequence */ |
| struct osmo_prbs { |
| const char *name; /*!< human-readable name */ |
| unsigned int len; /*!< length in bits */ |
| uint64_t coeff; /*!< coefficients */ |
| }; |
| |
| /*! \brief state of a given PRBS sequence generator */ |
| struct osmo_prbs_state { |
| const struct osmo_prbs *prbs; |
| uint64_t state; |
| }; |
| |
| extern const struct osmo_prbs osmo_prbs7; |
| extern const struct osmo_prbs osmo_prbs9; |
| extern const struct osmo_prbs osmo_prbs11; |
| extern const struct osmo_prbs osmo_prbs15; |
| |
| void osmo_prbs_state_init(struct osmo_prbs_state *st, const struct osmo_prbs *prbs); |
| ubit_t osmo_prbs_get_ubit(struct osmo_prbs_state *state); |
| int osmo_prbs_get_ubits(ubit_t *out, unsigned int out_len, struct osmo_prbs_state *state); |