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Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop

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This commit is contained in:
Joe Taylor 2019-12-04 15:45:36 -05:00
commit 794736043c
8 changed files with 97 additions and 57 deletions
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15
CMakeLists.txt
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@ -469,8 +469,8 @@ set (wsjt_FSRCS
lib/ft8/ft8_downsample.f90
lib/ft8.f90
lib/ft8dec.f90
lib/ft8/ft8sim_fsk.f90
lib/ft8/ft8sim.f90
lib/ft8/ft8sim_gfsk.f90
lib/gen4.f90
lib/gen65.f90
lib/gen9.f90
@ -487,6 +487,7 @@ set (wsjt_FSRCS
lib/geodist.f90
lib/getlags.f90
lib/getmet4.f90
lib/ft8/get_spectrum_baseline.f90
lib/ft2/gfsk_pulse.f90
lib/graycode.f90
lib/graycode65.f90
@ -1248,9 +1249,9 @@ if (${OPENMP_FOUND} OR APPLE)
)
endif (APPLE)
if (WIN32)
# set_target_properties (jt9 PROPERTIES
# LINK_FLAGS -Wl,--stack,16777216
# )
set_target_properties (jt9 PROPERTIES
LINK_FLAGS -Wl,--stack,16777216
)
endif ()
target_link_libraries (jt9 wsjt_fort_omp wsjt_cxx Qt5::Core)
else (${OPENMP_FOUND} OR APPLE)
@ -1306,12 +1307,12 @@ target_link_libraries (ft8code wsjt_fort wsjt_cxx)
add_executable (ft8 lib/ft8.f90 wsjtx.rc)
target_link_libraries (ft8 wsjt_fort wsjt_cxx)
add_executable (ft8sim_fsk lib/ft8/ft8sim_fsk.f90 wsjtx.rc)
target_link_libraries (ft8sim_fsk wsjt_fort wsjt_cxx)
add_executable (ft8sim lib/ft8/ft8sim.f90 wsjtx.rc)
target_link_libraries (ft8sim wsjt_fort wsjt_cxx)
add_executable (ft8sim_gfsk lib/ft8/ft8sim_gfsk.f90 wsjtx.rc)
target_link_libraries (ft8sim_gfsk wsjt_fort wsjt_cxx)
add_executable (msk144sim lib/msk144sim.f90 wsjtx.rc)
target_link_libraries (msk144sim wsjt_fort wsjt_cxx)

7
Transceiver/HamlibTransceiver.hpp
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@ -10,13 +10,6 @@
#include "TransceiverFactory.hpp"
#include "PollingTransceiver.hpp"
extern "C"
{
typedef struct rig RIG;
struct rig_caps;
typedef int vfo_t;
}
// hamlib transceiver and PTT mostly delegated directly to hamlib Rig class
class HamlibTransceiver final
: public PollingTransceiver

1
doc/CMakeLists.txt
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@ -158,6 +158,7 @@ function (document)
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${_source_path}/${lang}
COMMAND ${ASCIIDOCTOR_EXECUTABLE} ${_args_ASCIIDOCTOR_OPTIONS}
-b html5
-a nofooter
-a VERSION_MAJOR=${WSJTX_VERSION_MAJOR}
-a VERSION_MINOR=${WSJTX_VERSION_MINOR}
-a VERSION_PATCH=${WSJTX_VERSION_PATCH}

1
lib/ft8/baseline.f90
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@ -37,6 +37,7 @@ subroutine baseline(s,nfa,nfb,sbase)
kz=k
a=0.
call polyfit(x,y,y,kz,nterms,0,a,chisqr) !Fit a low-order polynomial
sbase=0.0
do i=ia,ib
t=i-i0
sbase(i)=a(1)+t*(a(2)+t*(a(3)+t*(a(4)+t*(a(5))))) + 0.65

42
lib/ft8/ft8sim.f90
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@ -1,4 +1,4 @@
program ft8sim
program ft8sim_gfsk
! Generate simulated "type 2" ft8 files
! Output is saved to a *.wav file.
@ -13,17 +13,19 @@ program ft8sim
character c77*77
complex c0(0:NMAX-1)
complex c(0:NMAX-1)
complex cwave(0:NWAVE-1)
real wave(NMAX)
real xjunk(NWAVE)
integer itone(NN)
integer*1 msgbits(77)
integer*2 iwave(NMAX) !Generated full-length waveform
! Get command-line argument(s)
nargs=iargc()
if(nargs.ne.8) then
print*,'Usage: ft8sim "message" f0 DT fdop del width nfiles snr'
print*,'Examples: ft8sim "K1ABC W9XYZ EN37" 1500.0 0.0 0.1 1.0 0 10 -18'
print*,' ft8sim "WA9XYZ/R KA1ABC/R FN42" 1500.0 0.0 0.1 1.0 0 10 -18'
if(nargs.ne.7) then
print*,'Usage: ft8sim "message" f0 DT fdop del nfiles snr'
print*,'Examples: ft8sim "K1ABC W9XYZ EN37" 1500.0 0.0 0.1 1.0 10 -18'
print*,' ft8sim "WA9XYZ/R KA1ABC/R FN42" 1500.0 0.0 0.1 1.0 10 -18'
print*,' ft8sim "K1ABC RR73; W9XYZ <KH1/KH7Z> -11" 300 0 0 0 25 1 -10'
go to 999
endif
@ -37,10 +39,8 @@ program ft8sim
call getarg(5,arg)
read(arg,*) delay !Watterson delay (ms)
call getarg(6,arg)
read(arg,*) width !Filter transition width (Hz)
call getarg(7,arg)
read(arg,*) nfiles !Number of files
call getarg(8,arg)
call getarg(7,arg)
read(arg,*) snrdb !SNR_2500
nsig=1
@ -57,6 +57,7 @@ program ft8sim
baud=1.0/tt !Keying rate (baud)
bw=8*baud !Occupied bandwidth (Hz)
txt=NZ*dt !Transmission length (s)
bt=2.0
bandwidth_ratio=2500.0/(fs/2.0)
sig=sqrt(2*bandwidth_ratio) * 10.0**(0.05*snrdb)
if(snrdb.gt.90.0) sig=1.0
@ -67,6 +68,7 @@ program ft8sim
n3=-1
call pack77(msg37,i3,n3,c77)
call genft8(msg37,i3,n3,msgsent37,msgbits,itone)
call gen_ft8wave(itone,NN,NSPS,bt,fs,f0,cwave,xjunk,1,NWAVE) !Generate complex cwave
write(*,*)
write(*,'(a23,a37,3x,a7,i1,a1,i1)') 'New Style FT8 Message: ',msgsent37,'i3.n3: ',i3,'.',n3
@ -90,26 +92,15 @@ program ft8sim
msg0=msg
do ifile=1,nfiles
k=nint((xdt+0.5)/dt)
ia=max(1,k)
phi=0.0
c0=0.0
do j=1,NN !Generate complex waveform
dphi=twopi*(f0*dt+itone(j)/real(NSPS))
do i=1,NSPS
if(k.ge.0 .and. k.lt.NMAX) c0(k)=cmplx(cos(phi),sin(phi))
k=k+1
phi=mod(phi+dphi,twopi)
enddo
enddo
c0=0.
c0(0:NWAVE-1)=cwave
c0=cshift(c0,-nint((xdt+0.5)/dt))
if(fspread.ne.0.0 .or. delay.ne.0.0) call watterson(c0,NMAX,NWAVE,fs,delay,fspread)
c=sig*c0
ib=min(k,NMAX)
wave=real(c)
peak=maxval(abs(wave(ia:ib)))
wave=imag(c)
peak=maxval(abs(wave))
nslots=1
if(width.gt.0.0) call filt8(f0,nslots,width,wave)
if(snrdb.lt.90) then
do i=1,NMAX !Add gaussian noise at specified SNR
@ -128,7 +119,6 @@ program ft8sim
endif
if(any(abs(wave).gt.32767.0)) print*,"Warning - data will be clipped."
iwave=nint(wave)
h=default_header(12000,NMAX)
write(fname,1102) ifile
1102 format('000000_',i6.6,'.wav')
@ -138,4 +128,4 @@ program ft8sim
write(*,1110) ifile,xdt,f0,snrdb,fname
1110 format(i4,f7.2,f8.2,f7.1,2x,a17)
enddo
999 end program ft8sim
999 end program ft8sim_gfsk

42
lib/ft8/ft8sim_gfsk.f90 → lib/ft8/ft8sim_fsk.f90
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@ -1,4 +1,4 @@
program ft8sim_gfsk
program ft8sim
! Generate simulated "type 2" ft8 files
! Output is saved to a *.wav file.
@ -13,19 +13,17 @@ program ft8sim_gfsk
character c77*77
complex c0(0:NMAX-1)
complex c(0:NMAX-1)
complex cwave(0:NWAVE-1)
real wave(NMAX)
real xjunk(NWAVE)
integer itone(NN)
integer*1 msgbits(77)
integer*2 iwave(NMAX) !Generated full-length waveform
! Get command-line argument(s)
nargs=iargc()
if(nargs.ne.7) then
print*,'Usage: ft8sim "message" f0 DT fdop del nfiles snr'
print*,'Examples: ft8sim "K1ABC W9XYZ EN37" 1500.0 0.0 0.1 1.0 10 -18'
print*,' ft8sim "WA9XYZ/R KA1ABC/R FN42" 1500.0 0.0 0.1 1.0 10 -18'
if(nargs.ne.8) then
print*,'Usage: ft8sim "message" f0 DT fdop del width nfiles snr'
print*,'Examples: ft8sim "K1ABC W9XYZ EN37" 1500.0 0.0 0.1 1.0 0 10 -18'
print*,' ft8sim "WA9XYZ/R KA1ABC/R FN42" 1500.0 0.0 0.1 1.0 0 10 -18'
print*,' ft8sim "K1ABC RR73; W9XYZ <KH1/KH7Z> -11" 300 0 0 0 25 1 -10'
go to 999
endif
@ -39,8 +37,10 @@ program ft8sim_gfsk
call getarg(5,arg)
read(arg,*) delay !Watterson delay (ms)
call getarg(6,arg)
read(arg,*) nfiles !Number of files
read(arg,*) width !Filter transition width (Hz)
call getarg(7,arg)
read(arg,*) nfiles !Number of files
call getarg(8,arg)
read(arg,*) snrdb !SNR_2500
nsig=1
@ -57,7 +57,6 @@ program ft8sim_gfsk
baud=1.0/tt !Keying rate (baud)
bw=8*baud !Occupied bandwidth (Hz)
txt=NZ*dt !Transmission length (s)
bt=2.0
bandwidth_ratio=2500.0/(fs/2.0)
sig=sqrt(2*bandwidth_ratio) * 10.0**(0.05*snrdb)
if(snrdb.gt.90.0) sig=1.0
@ -68,7 +67,6 @@ program ft8sim_gfsk
n3=-1
call pack77(msg37,i3,n3,c77)
call genft8(msg37,i3,n3,msgsent37,msgbits,itone)
call gen_ft8wave(itone,NN,NSPS,bt,fs,f0,cwave,xjunk,1,NWAVE) !Generate complex cwave
write(*,*)
write(*,'(a23,a37,3x,a7,i1,a1,i1)') 'New Style FT8 Message: ',msgsent37,'i3.n3: ',i3,'.',n3
@ -92,15 +90,26 @@ program ft8sim_gfsk
msg0=msg
do ifile=1,nfiles
c0=0.
c0(0:NWAVE-1)=cwave
c0=cshift(c0,-nint((xdt+0.5)/dt))
k=nint((xdt+0.5)/dt)
ia=max(1,k)
phi=0.0
c0=0.0
do j=1,NN !Generate complex waveform
dphi=twopi*(f0*dt+itone(j)/real(NSPS))
do i=1,NSPS
if(k.ge.0 .and. k.lt.NMAX) c0(k)=cmplx(cos(phi),sin(phi))
k=k+1
phi=mod(phi+dphi,twopi)
enddo
enddo
if(fspread.ne.0.0 .or. delay.ne.0.0) call watterson(c0,NMAX,NWAVE,fs,delay,fspread)
c=sig*c0
wave=imag(c)
peak=maxval(abs(wave))
ib=min(k,NMAX)
wave=real(c)
peak=maxval(abs(wave(ia:ib)))
nslots=1
if(width.gt.0.0) call filt8(f0,nslots,width,wave)
if(snrdb.lt.90) then
do i=1,NMAX !Add gaussian noise at specified SNR
@ -119,6 +128,7 @@ program ft8sim_gfsk
endif
if(any(abs(wave).gt.32767.0)) print*,"Warning - data will be clipped."
iwave=nint(wave)
h=default_header(12000,NMAX)
write(fname,1102) ifile
1102 format('000000_',i6.6,'.wav')
@ -128,4 +138,4 @@ program ft8sim_gfsk
write(*,1110) ifile,xdt,f0,snrdb,fname
1110 format(i4,f7.2,f8.2,f7.1,2x,a17)
enddo
999 end program ft8sim_gfsk
999 end program ft8sim

43
lib/ft8/get_spectrum_baseline.f90 Normal file
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@ -0,0 +1,43 @@
subroutine get_spectrum_baseline(dd,nfa,nfb,sbase)
include 'ft8_params.f90'
parameter(NST=NFFT1/2,NF=NMAX/NST-1)
real s(NH1,NF)
real savg(NH1)
real sbase(NH1)
real x(NFFT1)
real window(NFFT1)
complex cx(0:NH1)
real dd(NMAX)
equivalence (x,cx)
logical first
data first/.true./
save first,window
if(first) then
first=.false.
pi=4.0*atan(1.)
window=0.
call nuttal_window(window,NFFT1)
window=window/sum(window)*NSPS*2/300.0
endif
! Compute symbol spectra, stepping by NSTEP steps.
savg=0.
df=12000.0/NFFT1
do j=1,NF
ia=(j-1)*NST + 1
ib=ia+NFFT1-1
if(ib.gt.NMAX) exit
x=dd(ia:ib)*window
call four2a(x,NFFT1,1,-1,0) !r2c FFT
s(1:NH1,j)=abs(cx(1:NH1))**2
savg=savg + s(1:NH1,j) !Average spectrum
enddo
if(nfa.lt.nint(200.0)) nfa=nint(200.0)
if(nfb.gt.nint(4910.0)) nfb=nint(4910.0)
call baseline(savg,nfa,nfb,sbase)
return
end subroutine get_spectrum_baseline

3
lib/ft8/sync8.f90
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@ -37,7 +37,8 @@ subroutine sync8(dd,nfa,nfb,syncmin,nfqso,maxcand,s,candidate, &
enddo
savg=savg + s(1:NH1,j) !Average spectrum
enddo
call baseline(savg,nfa,nfb,sbase)
! call baseline(savg,nfa,nfb,sbase)
call get_spectrum_baseline(dd,nfa,nfb,sbase)
ia=max(1,nint(nfa/df))
ib=nint(nfb/df)