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WIP: sfoxtest now running with parameters set in sfox_mod.

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This commit is contained in:
Joe Taylor 2024-02-08 10:45:43 -05:00
parent 464838aa78
commit c051168a6b
6 changed files with 31 additions and 18 deletions
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1
CMakeLists.txt
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@ -342,6 +342,7 @@ set (wsjt_FSRCS
lib/wavhdr.f90 lib/wavhdr.f90
lib/qra/q65/q65_encoding_modules.f90 lib/qra/q65/q65_encoding_modules.f90
lib/ft8/ft8_a7.f90 lib/ft8/ft8_a7.f90
lib/superfox/sfox_mod.f90
# remaining non-module sources # remaining non-module sources
lib/addit.f90 lib/addit.f90

4
lib/superfox/Makefile
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@ -25,10 +25,6 @@ OBJS2 = rs_125_49.o ran1.o get_crc14.o rs_sf.a
rs_125_49: $(OBJS2) rs_125_49: $(OBJS2)
$(FC) -o rs_125_49 $(OBJS2) rs_sf.a $(FC) -o rs_125_49 $(OBJS2) rs_sf.a
#OBJS3 = rst8.o encode_rs_8.o decode_rs_8.o wrap_rs_8.o
rst8: rst8.o wrap_rs_8.o
$(FC) -o rst8 rst8.o wrap_rs_8.o librs.a
rs_sf.a: init_rs_sf.o encode_rs_sf.o decode_rs_sf.o rs_sf.o rs_sf.a: init_rs_sf.o encode_rs_sf.o decode_rs_sf.o rs_sf.o
ar -crs rs_sf.a init_rs_sf.o encode_rs_sf.o decode_rs_sf.o rs_sf.o ar -crs rs_sf.a init_rs_sf.o encode_rs_sf.o decode_rs_sf.o rs_sf.o

3
lib/superfox/gen_sfox.f90
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@ -1,6 +1,7 @@
subroutine gen_sfox(idat,f0,fsample,syncwidth,cdat,clo) subroutine gen_sfox(idat,f0,fsample,syncwidth,cdat,clo)
include "sfox_params.f90" use sfox_mod
! include "sfox_params.f90"
complex cdat(NMAX) !Generated complex waveform complex cdat(NMAX) !Generated complex waveform
complex clo(NMAX) !Complex Local Oscillator complex clo(NMAX) !Complex Local Oscillator
complex w,wstep complex w,wstep

3
lib/superfox/hard_symbols.f90
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@ -1,6 +1,7 @@
subroutine hard_symbols(crcvd,f,t,jdat) subroutine hard_symbols(crcvd,f,t,jdat)
include "sfox_params.f90" use sfox_mod
! include "sfox_params.f90"
complex crcvd(NMAX) !Signal as received complex crcvd(NMAX) !Signal as received
complex c(0:NSPS-1) !Work array, one symbol long complex c(0:NSPS-1) !Work array, one symbol long
real s(0:NSPS-1) !Power spectrum real s(0:NSPS-1) !Power spectrum

33
lib/superfox/sfoxtest.f90
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@ -3,7 +3,8 @@ program sfoxtest
! Generate and test sync waveforms for possible use in SuperFox signal. ! Generate and test sync waveforms for possible use in SuperFox signal.
use wavhdr use wavhdr
include "sfox_params.f90" use sfox_mod
! include "sfox_params.f90"
type(hdr) h !Header for .wav file type(hdr) h !Header for .wav file
integer*2 iwave(NMAX) !Generated i*2 waveform integer*2 iwave(NMAX) !Generated i*2 waveform
real*4 xnoise(NMAX) !Random noise real*4 xnoise(NMAX) !Random noise
@ -12,15 +13,13 @@ program sfoxtest
complex clo(NMAX) !Complex Local Oscillator complex clo(NMAX) !Complex Local Oscillator
complex cnoise(NMAX) !Complex noise complex cnoise(NMAX) !Complex noise
complex crcvd(NMAX) !Signal as received complex crcvd(NMAX) !Signal as received
integer msg0(KK) !Information symbols
! integer msg(KK) !Decoded information integer, allocatable :: msg0(:) !Information symbols
integer parsym(NN-KK) !Parity symbols integer, allocatable :: parsym(:) !Parity symbols
! integer*1 msg1(MM*KK) !Copy of msg0 in 1-bit i*1 format integer, allocatable :: chansym0(:) !Encoded data, 7-bit integers
integer chansym0(NN) !Encoded data, 7-bit integers integer, allocatable :: chansym(:) !Recovered hard-decision symbols
integer chansym(NN) !Recovered hard-decision symbols integer, allocatable :: iera(:) !Positions of erasures
integer iera(NN)
character fname*17,arg*12 character fname*17,arg*12
! character c357*357,c14*14 !,chkmsg*15
nargs=iargc() nargs=iargc()
if(nargs.ne.8) then if(nargs.ne.8) then
@ -45,6 +44,20 @@ program sfoxtest
call getarg(8,arg) call getarg(8,arg)
read(arg,*) snrdb read(arg,*) snrdb
call sfox_init
baud=12000.0/NSPS
bw=NQ*baud
write(*,1000) MM,NN,KK,NSPS,baud,bw
1000 format('M:',i2,' Base code: (',i3,',',i3,') NSPS:',i5, &
' Symbol Rate:',f7.3,' BW:',f6.0)
allocate(msg0(1:KK))
allocate(parsym(1:NN-KK))
allocate(chansym0(1:NN))
allocate(chansym(1:NN))
allocate(iera(1:NN))
rms=100. rms=100.
fsample=12000.0 !Sample rate (Hz) fsample=12000.0 !Sample rate (Hz)
baud=12000.0/nsps !Keying rate, 11.719 baud for nsps=1024 baud=12000.0/nsps !Keying rate, 11.719 baud for nsps=1024
@ -67,7 +80,7 @@ program sfoxtest
! Generate cdat (SuperFox waveform) and clo (LO for sync detection) ! Generate cdat (SuperFox waveform) and clo (LO for sync detection)
call gen_sfox(chansym0,f0,fsample,syncwidth,cdat,clo) call gen_sfox(chansym0,f0,fsample,syncwidth,cdat,clo)
do isnr=0,-30,-1 do isnr=0,-20,-1
snr=isnr snr=isnr
if(snrdb.ne.0.0) snr=snrdb if(snrdb.ne.0.0) snr=snrdb
sig=sqrt(2*bandwidth_ratio)*10.0**(0.05*snr) sig=sqrt(2*bandwidth_ratio)*10.0**(0.05*snr)

3
lib/superfox/sync_sf.f90
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@ -1,6 +1,7 @@
subroutine sync_sf(crcvd,clo,snrdb,f,t) subroutine sync_sf(crcvd,clo,snrdb,f,t)
include "sfox_params.f90" use sfox_mod
! include "sfox_params.f90"
parameter (MMAX=150,JMAX=300) parameter (MMAX=150,JMAX=300)
real ccf(-MMAX:MMAX,-JMAX:JMAX) !2D CCF: DT, dFreq offsets real ccf(-MMAX:MMAX,-JMAX:JMAX) !2D CCF: DT, dFreq offsets
complex clo(NMAX) !Complex Local Oscillator complex clo(NMAX) !Complex Local Oscillator