Files
trx-rs/external/ft8_lib/ft8/ldpc.h
T

26 lines
632 B
C

#ifndef _INCLUDE_LDPC_H_
#define _INCLUDE_LDPC_H_
#include <stdint.h>
#ifdef __cplusplus
extern "C"
{
#endif
// codeword is 174 log-likelihoods.
// plain is a return value, 174 ints, to be 0 or 1.
// iters is how hard to try.
// ok == 87 means success.
void ldpc_decode(float codeword[], int max_iters, uint8_t plain[], int* ok);
void bp_decode(float codeword[], int max_iters, uint8_t plain[], int* ok);
void decode174_91_osd(float llr[], int keff, int maxosd, int norder, uint8_t apmask[], uint8_t message91[], uint8_t cw[], int* ntype, int* nharderror, float* dmin);
#ifdef __cplusplus
}
#endif
#endif // _INCLUDE_LDPC_H_