GitHub/dsd-fme
1
0
Fork 0
mirror of https://github.com/lwvmobile/dsd-fme.git synced 2026-11-13 09:17:20 -05:00
Code Issues Packages Projects Releases Wiki Activity

DMR SB/RC Additions; Cap+ LC/CSBK; RAS;

Browse Source
This commit is contained in:
lwvmobile
2023-01-17 23:58:52 -05:00
parent 1d49481f2d
commit ec7d7c24a5
11 changed files with 383 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
include/dsd.h
View File

@@ -535,7 +535,7 @@ typedef struct
uint8_t data_conf_data[2]; //flag for confirmed data blocks per slot
uint8_t dmr_pdu_sf[2][288]; //unified pdu 'superframe' //[slot][byte]
uint8_t data_block_crc_valid[2][25]; //flag each individual block as good crc on confirmed data
char dmr_embedded_signalling[2][6][48]; //embedded signalling 2 slots by 6 vc by 48 bits (replacing TS1SuperFrame.TimeSlotRawVoiceFrame.Sync structure)
char dmr_embedded_signalling[2][7][48]; //embedded signalling 2 slots by 6 vc by 48 bits (replacing TS1SuperFrame.TimeSlotRawVoiceFrame.Sync structure)
char dmr_cach_fragment[4][17]; //unsure of size, will need to check/verify
int dmr_cach_counter; //counter for dmr_cach_fragments 0-3; not sure if needed yet.
@@ -879,7 +879,7 @@ int32_t GetdPmrColorCode(uint8_t ChannelCodeBit[24]);
void BPTCDeInterleaveDMRData(uint8_t * Input, uint8_t * Output);
uint32_t BPTC_196x96_Extract_Data(uint8_t InputDeInteleavedData[196], uint8_t DMRDataExtracted[96], uint8_t R[3]);
uint32_t BPTC_128x77_Extract_Data(uint8_t InputDataMatrix[8][16], uint8_t DMRDataExtracted[77]);
uint32_t BPTC_16x2_Extract_Data(uint8_t InputInterleavedData[32], uint8_t DMRDataExtracted[32]);
uint32_t BPTC_16x2_Extract_Data(uint8_t InputInterleavedData[32], uint8_t DMRDataExtracted[32], uint32_t ParityCheckTypeOdd);
//Reed Solomon (12,9) functions
void rs_12_9_calc_syndrome(rs_12_9_codeword_t *codeword, rs_12_9_poly_t *syndrome);
@@ -892,6 +892,8 @@ uint16_t ComputeCrcCCITT(uint8_t * DMRData);
uint16_t ComputeCrcCCITT16d(const uint8_t buf[], uint8_t len);
uint32_t ComputeAndCorrectFullLinkControlCrc(uint8_t * FullLinkControlDataBytes, uint32_t * CRCComputed, uint32_t CRCMask);
uint8_t ComputeCrc5Bit(uint8_t * DMRData);
uint16_t ComputeCrc9Bit(uint8_t * DMRData, uint32_t NbData);
uint32_t ComputeCrc32Bit(uint8_t * DMRData, uint32_t NbData);
//new simplified dmr functions
void dmr_data_burst_handler(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t databurst);
@@ -927,10 +929,14 @@ void dmr_alg_refresh (dsd_opts * opts, dsd_state * state);
void dmr_late_entry_mi_fragment (dsd_opts * opts, dsd_state * state, uint8_t vc, char ambe_fr[4][24], char ambe_fr2[4][24], char ambe_fr3[4][24]);
void dmr_late_entry_mi (dsd_opts * opts, dsd_state * state);
//handle Single Burst (Voice Burst F) or Reverse Channel Signalling
void dmr_sbrc (dsd_opts * opts, dsd_state * state, uint8_t power);
//DMR FEC/CRC from Boatbod - OP25
bool Hamming17123(uint8_t* d);
uint8_t crc8(uint8_t bits[], unsigned int len);
bool crc8_ok(uint8_t bits[], unsigned int len);
uint8_t crc7(uint8_t bits[], unsigned int len);
//LFSR code courtesy of https://github.com/mattames/LFSR/
void LFSR(dsd_state * state);