mirror
/
M17_Implementations
kopia lustrzana https://github.com/M17-Project/M17_Implementations
1
0
Forkuj 0
Kod Zgłoszenia Packages Projekty Wydania Wiki Aktywność

use libm17 reorder and randomize functions

pull/39/head
Wojciech Kaczmarski 2024-07-09 10:24:40 +02:00
rodzic 88cdac04be
commit 6bd91d85be
1 zmienionych plików z 6 dodań i 36 usunięć
Pokaż statystyki Ściągnij plik aktualizacji Ściągnij plik porównania Expand all files Collapse all files

42
SP5WWP/m17-packet/m17-packet-encode.c
Wyświetl plik

@ -344,20 +344,10 @@ int main(int argc, char* argv[])
send_syncword(full_packet, &pkt_sym_cnt, SYNC_LSF);
//reorder bits
for(uint16_t i=0; i<SYM_PER_PLD*2; i++)
rf_bits[i]=enc_bits[intrl_seq[i]];
reorder_bits(rf_bits, enc_bits);
//randomize
for(uint16_t i=0; i<SYM_PER_PLD*2; i++)
{
if((rand_seq[i/8]>>(7-(i%8)))&1) //flip bit if '1'
{
if(rf_bits[i])
rf_bits[i]=0;
else
rf_bits[i]=1;
}
}
randomize_bits(rf_bits);
//fill packet with LSF
send_data(full_packet, &pkt_sym_cnt, rf_bits);
@ -383,20 +373,10 @@ int main(int argc, char* argv[])
conv_encode_packet_frame(enc_bits, pkt_chunk);
//reorder bits
for(uint16_t i=0; i<SYM_PER_PLD*2; i++)
rf_bits[i]=enc_bits[intrl_seq[i]];
reorder_bits(rf_bits, enc_bits);
//randomize
for(uint16_t i=0; i<SYM_PER_PLD*2; i++)
{
if((rand_seq[i/8]>>(7-(i%8)))&1) //flip bit if '1'
{
if(rf_bits[i])
rf_bits[i]=0;
else
rf_bits[i]=1;
}
}
randomize_bits(rf_bits);
//fill packet with frame data
send_data(full_packet, &pkt_sym_cnt, rf_bits);
@ -415,20 +395,10 @@ int main(int argc, char* argv[])
conv_encode_packet_frame(enc_bits, pkt_chunk);
//reorder bits
for(uint16_t i=0; i<SYM_PER_PLD*2; i++)
rf_bits[i]=enc_bits[intrl_seq[i]];
reorder_bits(rf_bits, enc_bits);
//randomize
for(uint16_t i=0; i<SYM_PER_PLD*2; i++)
{
if((rand_seq[i/8]>>(7-(i%8)))&1) //flip bit if '1'
{
if(rf_bits[i])
rf_bits[i]=0;
else
rf_bits[i]=1;
}
}
randomize_bits(rf_bits);
//fill packet with frame data
send_data(full_packet, &pkt_sym_cnt, rf_bits);