kopia lustrzana https://github.com/kgoba/ft8_lib
19 wiersze
630 B
C
19 wiersze
630 B
C
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#ifndef _INCLUDE_LDPC_H_
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#define _INCLUDE_LDPC_H_
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#include <stdint.h>
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// codeword is 174 log-likelihoods.
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// plain is a return value, 174 ints, to be 0 or 1.
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// iters is how hard to try.
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// ok == 87 means success.
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void ldpc_decode(float codeword[], int max_iters, uint8_t plain[], int *ok);
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void bp_decode(float codeword[], int max_iters, uint8_t plain[], int *ok);
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// Packs a string of bits each represented as a zero/non-zero byte in plain[],
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// as a string of packed bits starting from the MSB of the first byte of packed[]
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void pack_bits(const uint8_t plain[], int num_bits, uint8_t packed[]);
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#endif // _INCLUDE_LDPC_H_
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