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NXDN: Rework code for the FACCH1 duplicate message check post NXDN Viterbi overhaul;

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Use static array to hold facch1 message after recovery and compare when LICH type calls for 2 individual FACCH1 messages in an NXDN frame;

Zero out facch1_storage on SACCH or SCCH decode (happens first) and after potential comparison time in FACCH1 decode;
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lwvmobile
2026-02-03 02:57:02 -05:00
parent d7ce5e4cae
commit 53a256bee8
3 changed files with 37 additions and 6 deletions
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include/dsd.h
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@@ -1272,7 +1272,7 @@ void nxdn_voice (dsd_opts * opts, dsd_state * state, int voice, uint8_t * dbuf);
//All-in-One NXDN Soft Decision Viterbi Function based on libM17
uint32_t nxdn_soft_decision_viterbi(uint8_t * bits, const uint16_t * interleave, uint8_t * puncture, int d_len, int p_len, int num_bytes, int offset, uint8_t * viterbi_bits, uint8_t * viterbi_bytes);
//NXDN Conventional and Type-C
void nxdn_facch1(dsd_opts * opts, dsd_state * state, uint8_t * bits);
void nxdn_facch1(dsd_opts * opts, dsd_state * state, uint8_t * bits, uint8_t frame);
void nxdn_sacch(dsd_opts * opts, dsd_state * state, uint8_t * bits);
void nxdn_cac(dsd_opts * opts, dsd_state * state, uint8_t * bits);
void nxdn_facch2_udch(dsd_opts * opts, dsd_state * state, uint8_t * bits, uint8_t type);