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WIP on rs_125_49. Erasures not yet being used.

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This commit is contained in:
Joe Taylor 2024-02-01 19:19:17 -05:00
parent 959026aad5
commit d805820446
2 changed files with 25 additions and 19 deletions
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13
lib/superfox/Makefile
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@ -15,12 +15,17 @@ CFLAGS= -O9 -Wall
%.o: %.F90
${FC} ${FFLAGS} -c $<
all: rstest
all: rstest rs_125_49
OBJS2 = rstest.o init_rs_sf.o encode_rs_sf.o decode_rs_sf.o \
OBJS1 = rstest.o init_rs_sf.o encode_rs_sf.o decode_rs_sf.o \
rs_sf.o ran1.o
rstest: $(OBJS2)
$(FC) -o rstest $(OBJS2)
rstest: $(OBJS1)
$(FC) -o rstest $(OBJS1)
OBJS2 = rs_125_49.o init_rs_sf.o encode_rs_sf.o decode_rs_sf.o \
rs_sf.o ran1.o get_crc14.o
rs_125_49: $(OBJS2)
$(FC) -o rs_125_49 $(OBJS2)
init_rs_sf.o: init_rs.c
gcc -DBIGSYM=1 $(CFLAGS) -c -o $@ $^

31
lib/superfox/sfox_params.f90
View File

@ -1,15 +1,16 @@
parameter (KK=49) !Information symbols
parameter (ND1=25) !Data symbols before sync waveform
parameter (ND2=100) !Data symbols after sync waveform
parameter (ND=ND1+ND2) !Total data symbols (125)
parameter (NS=23) !Sync symbols (for length)
parameter (NSPS=1024) !Samples per symbol at 12000 S/s
parameter (NSYNC=NS*NSPS) !Samples in sync waveform (23,552)
parameter (NZ=NSPS*(ND+NS)) !Samples in full Tx waveform (151,552)
parameter (NMAX=15*12000) !Samples in iwave (180,000)
parameter (NFFT=32768) !Length of FFT for sync waveform
parameter (NFFT1=2*NSPS) !Length of FFTs for symbol spectra
parameter (MM=7) !Bits per symbol
parameter (NQ=2**MM) !Q, number of MFSK tones
parameter (NN=127) !Our code is (127,51)
parameter (NFZ=3) !First zero
! Our code is RS(127,51). We puncture two symbols to give (125,49)
parameter (NN=127) !Channel symbols, before puncture
parameter (KK=51) !Information symbols, before puncture
parameter (ND1=25) !Data symbols before sync
parameter (ND2=100) !Data symbols after sync
parameter (ND=ND1+ND2) !Total data symbols (125)
parameter (NS=24) !Sync symbols (for length)
parameter (NSPS=1024) !Samples per symbol at 12000 S/s
parameter (NSYNC=NS*NSPS) !Samples in sync waveform (23,552)
parameter (NZ=NSPS*(ND+NS)) !Samples in full Tx waveform (151,552)
parameter (NMAX=15*12000) !Samples in iwave (180,000)
parameter (NFFT=32768) !Length of FFT for sync waveform
parameter (NFFT1=2*NSPS) !Length of FFTs for symbol spectra
parameter (MM=7) !Bits per symbol
parameter (NQ=2**MM) !Q, number of MFSK tones
parameter (NFZ=3) !First zero