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initial import of Osmocom TETRA phy and lower MAC code

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This commit is contained in:
Harald Welte 2011-01-19 10:39:59 +01:00
parent a4c4e5a1ab
commit 7ee08faee0
45 changed files with 4217 additions and 0 deletions
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33
src/lower_mac/tetra_conv_enc.h Normal file
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#ifndef TETRA_CONV_ENC_H
#define TETRA_CONV_ENC_H
#include <stdint.h>
struct conv_enc_state {
uint8_t delayed[4];
};
/* in: one-bit-per-byte out: 4bit-per-byte, both 'len' long */
int conv_enc_input(struct conv_enc_state *ces, uint8_t *in, int len, uint8_t *out);
int conv_enc_init(struct conv_enc_state *ces);
enum tetra_rcpc_puncturer {
TETRA_RCPC_PUNCT_2_3,
TETRA_RCPC_PUNCT_1_3,
TETRA_RCPC_PUNCT_292_432,
TETRA_RCPC_PUNCT_148_432,
};
/* Puncture the mother code (in) and write 'len' symbols to out */
int get_punctured_rate(enum tetra_rcpc_puncturer pu, uint8_t *in, int len, uint8_t *out);
/* De-Puncture the 'len' type-3 bits (in) and write mother code to out */
int tetra_rcpc_depunct(enum tetra_rcpc_puncturer pu, const uint8_t *in, int len, uint8_t *out);
/* Self-test the puncturing/de-puncturing */
int tetra_punct_test(void);
#endif /* TETRA_CONV_ENC_H */