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Simplify DMR Trellis Decoder;

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lwvmobile
2023-08-10 03:47:08 -04:00
parent d356ed0dbc
commit e79b6fd231
4 changed files with 122 additions and 561 deletions
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12
include/dsd.h
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@@ -1042,6 +1042,8 @@ void dmr_flco (dsd_opts * opts, dsd_state * state, uint8_t lc_bits[], uint32_t C
void dmr_cspdu (dsd_opts * opts, dsd_state * state, uint8_t cs_pdu_bits[], uint8_t cs_pdu[], uint32_t CRCCorrect, uint32_t IrrecoverableErrors);
void dmr_slco (dsd_opts * opts, dsd_state * state, uint8_t slco_bits[]);
uint8_t dmr_cach (dsd_opts * opts, dsd_state * state, uint8_t cach_bits[25]);
uint32_t dmr_34(uint8_t * input, uint8_t treturn[18]); //simplier trellis decoder
void beeper (dsd_opts * opts, dsd_state * state, int type); //the tone beeper function
//Embedded Alias and GPS
void dmr_embedded_alias_header (dsd_opts * opts, dsd_state * state, uint8_t lc_bits[]);
@@ -1187,15 +1189,7 @@ void rtl_dev_tune(dsd_opts * opts, long int frequency);
long int rtl_return_rms();
void rtl_clean_queue();
#endif
//DMR TRELLIS
void CDMRTrellisTribitsToBits(const unsigned char* tribits, unsigned char* payload);
unsigned int CDMRTrellisCheckCode(const unsigned char* points, unsigned char* tribits);
bool CDMRTrellisFixCode(unsigned char* points, unsigned int failPos, unsigned char* payload);
void CDMRTrellisDeinterleave(const unsigned char* data, signed char* dibits);
void CDMRTrellisDibitsToPoints(const signed char* dibits, unsigned char* points);
void CDMRTrellisPointsToDibits(const unsigned char* points, signed char* dibits);
void CDMRTrellisBitsToTribits(const unsigned char* payload, unsigned char* tribits);
bool CDMRTrellisDecode(const unsigned char* data, unsigned char* payload);
//Phase 2 Helper Functions
int ez_rs28_ess (int payload[96], int parity[168]); //ezpwd bridge for FME