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Add fst280 files to CMakeLists.txt. Doesn't build yet.

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This commit is contained in:
Steven Franke 2020-06-16 12:59:22 -05:00
parent a720e0ec21
commit 5dfb3c781b
2 changed files with 99 additions and 0 deletions
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27
CMakeLists.txt
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@ -595,6 +595,21 @@ set (wsjt_FSRCS
lib/wqencode.f90
lib/wspr_downsample.f90
lib/zplot9.f90
lib/fst280/bpdecode280_101.f90
lib/fst280/bpdecode280_74.f90
lib/fst280/decode280_101.f90
lib/fst280/decode280_74.f90
lib/fst280/encode280_101.f90
lib/fst280/encode280_74.f90
lib/fst280/fst280d.f90
lib/fst280/fst280sim.f90
lib/fst280/genfst280_wave.f90
lib/fst280/genfst280.f90
lib/fst280/get_ft280_bitmetrics.f90
lib/fst280/ldpcsim280_101.f90
lib/fst280/ldpcsim280_74.f90
lib/fst280/osd280_101.f90
lib/fst280/osd280_74.f90
)
# temporary workaround for a gfortran v7.3 ICE on Fedora 27 64-bit
@ -1351,6 +1366,18 @@ target_link_libraries (ft4sim_mult wsjt_fort wsjt_cxx)
add_executable (record_time_signal Audio/tools/record_time_signal.cpp)
target_link_libraries (record_time_signal wsjt_cxx wsjt_qtmm wsjt_qt)
add_executable (fst280d lib/fst280/fst280d.f90 wsjtx.rc)
target_link_libraries (fst280d wsjt_fort wsjt_cxx)
add_executable (fst280sim lib/fst280/fst280sim.f90 wsjtx.rc)
target_link_libraries (fst280sim wsjt_fort wsjt_cxx)
add_executable (ldpcsim280_101 lib/fst280/ldpcsim280_101.f90 wsjtx.rc)
target_link_libraries (ldpcsim280_101 wsjt_fort wsjt_cxx)
add_executable (ldpcsim280_74 lib/fst280/ldpcsim280_74.f90 wsjtx.rc)
target_link_libraries (ldpcsim280_74 wsjt_fort wsjt_cxx)
endif(WSJT_BUILD_UTILS)
# build the main application

72
lib/fst280/gen_fst280wave.f90 Normal file
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@ -0,0 +1,72 @@
subroutine gen_fst280wave(itone,nsym,nsps,nwave,fsample,hmod,f0,icmplx,cwave,wave)
real wave(nwave)
complex cwave(nwave)
real, allocatable, save :: pulse(:)
real, allocatable :: dphi(:)
integer itone(nsym)
logical first
data first/.true./
save first,twopi,dt,tsym
if(first) then
allocate( pulse(3*nsps*fsample) )
twopi=8.0*atan(1.0)
dt=1.0/fsample
tsym=nsps/fsample
! Compute the smoothed frequency-deviation pulse
do i=1,3*nsps
tt=(i-1.5*nsps)/real(nsps)
pulse(i)=gfsk_pulse(2.0,tt)
enddo
first=.false.
endif
! Compute the smoothed frequency waveform.
! Length = (nsym+2)*nsps samples, zero-padded
allocate( dphi(0:(nsym+2)*nsps-1) )
dphi_peak=twopi*hmod/real(nsps)
dphi=0.0
do j=1,nsym
ib=(j-1)*nsps
ie=ib+3*nsps-1
dphi(ib:ie) = dphi(ib:ie) + dphi_peak*pulse(1:3*nsps)*itone(j)
enddo
! Calculate and insert the audio waveform
phi=0.0
dphi = dphi + twopi*(f0-1.5*hmod/tsym)*dt !Shift frequency up by f0
wave=0.
if(icmplx.eq.1) cwave=0.
k=0
do j=0,(nsym+2)*nsps-1
k=k+1
if(icmplx.eq.0) then
wave(k)=sin(phi)
else
cwave(k)=cmplx(cos(phi),sin(phi))
endif
phi=mod(phi+dphi(j),twopi)
enddo
! Compute the ramp-up and ramp-down symbols
if(icmplx.eq.0) then
wave(1:nsps/2)=0.0
wave(nsps/2+1:nsps)=wave(nsps/2+1:nsps) * &
(1.0-cos(twopi*(/(i,i=0,nsps/2-1)/)/real(nsps)))/2.0
k1=(nsym+1)*nsps+1
wave(k1+nsps/2:)=0.0
wave(k1:k1+nsps/2-1)=wave(k1:k1+nsps/2-1) * &
(1.0+cos(twopi*(/(i,i=0,nsps/2-1)/)/real(nsps)))/2.0
else
cwave(1:nsps/2)=0.0
cwave(nsps/2+1:nsps)=cwave(nsps/2+1:nsps) * &
(1.0-cos(twopi*(/(i,i=0,nsps/2-1)/)/real(nsps)))/2.0
k1=(nsym+1)*nsps+1
cwave(k1+nsps/2:)=0.0
cwave(k1:k1+nsps/2-1)=cwave(k1:k1+nsps/2-1) * &
(1.0+cos(twopi*(/(i,i=0,nsps/2-1)/)/real(nsps)))/2.0
endif
return
end subroutine gen_fst280wave