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WSJT-X/Audio.f90

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Fortran
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! Fortran logical units used in WSJT6
!
! 10 wave files read from disk
! 11 decoded.txt
! 12 decoded.ave
! 13 tsky.dat
! 14 azel.dat
! 15 debug.txt
! 16 c:/wsjt.reg
! 17 wave files written to disk
! 18 test file to be transmitted (wsjtgen.f90)
! 19
! 20
! 21 ALL.TXT
! 22 kvasd.dat
! 23 CALL3.TXT
!--------------------------------------------------- AudioInit
subroutine AudioInit
return
end subroutine AudioInit
!---------------------------------------------------- a2d
subroutine a2d(iarg)
#ifdef Win32
! Start the PortAudio streams for audio input and output.
integer nchin(0:20),nchout(0:20)
include 'gcom1.f90'
include 'gcom2.f90'
! This call does not normally return, as the background portion of
! JTaudio goes into a test-and-sleep loop.
idevin=ndevin
idevout=ndevout
call padevsub(numdevs,ndefin,ndefout,nchin,nchout)
write(*,1002) ndefin,ndefout
1002 format(/'Default Input:',i3,' Output:',i3)
write(*,1004) idevin,idevout
1004 format('Requested Input:',i3,' Output:',i3)
if(idevin.lt.0 .or. idevin.ge.numdevs) idevin=ndefin
if(idevout.lt.0 .or. idevout.ge.numdevs) idevout=ndefout
if(idevin.eq.0 .and. idevout.eq.0) then
idevin=ndefin
idevout=ndefout
endif
ierr=jtaudio(idevin,idevout,y1,y2,NMAX,iwrite,iwave,nwave, &
11025,NSPB,TRPeriod,TxOK,ndebug,Transmitting, &
Tsec,ngo,nmode,tbuf,ibuf,ndsec)
if(ierr.ne.0) then
print*,'Error ',ierr,' in JTaudio, cannot continue.'
else
write(*,1006)
1006 format('Audio streams terminated normally.')
endif
#endif
return
end subroutine a2d
!---------------------------------------------------- decode1
subroutine decode1(iarg)
! Get data and parameters from gcom, then call the decoders when needed.
! This routine runs in a background thread and will never return.
#ifdef Win32
use dflib
#endif
character sending0*28,fcum*80,mode0*6,cshort*11
integer sendingsh0
include 'gcom1.f90'
include 'gcom2.f90'
include 'gcom3.f90'
include 'gcom4.f90'
data sending0/' '/
save
ntr0=ntr
ns0=999999
10 continue
if(mode(1:4).eq.'JT65') then
if(rxdone) then
call savedata
rxdone=.false.
endif
else
if(ntr.ne.ntr0 .and. monitoring.gt.0) then
if(ntr.ne.TxFirst .or. (lauto.eq.0)) call savedata
ntr0=ntr
endif
endif
if(ndecoding.gt.0) then
ndecdone=0
call decode2
ndecdone=1
if(mousebutton.eq.0) ndecoding0=ndecoding
ndecoding=0
endif
if(ns0.lt.0) then
rewind 21
ns0=999999
endif
n=Tsec
if(n.lt.ns0 .and. utcdate(1:1).eq.'2') then
write(21,1001) utcdate(:11)
1001 format(/'UTC Date: ',a11/'---------------------')
ns0=n
endif
if(transmitting.eq.1 .and. (sending.ne.sending0 .or. &
sendingsh.ne.sendingsh0 .or. mode.ne.mode0)) then
ih=n/3600
im=mod(n/60,60)
is=mod(n,60)
cshort=' '
if(sendingsh.eq.1) cshort='(Shorthand)'
write(21,1010) ih,im,is,mode,sending,cshort
1010 format(3i2.2,' Transmitting: ',a6,2x,a28,2x,a11)
sending0=sending
sendingsh0=sendingsh
mode0=mode
endif
20 continue
#ifdef Win32
call sleepqq(100)
#else
call usleep(100*1000)
#endif
go to 10
end subroutine decode1
!---------------------------------------------------- decode2
subroutine decode2
! Get data and parameters from gcom, then call the decoders
character fnamex*24
integer*2 d2d(30*11025)
include 'gcom1.f90'
include 'gcom2.f90'
include 'gcom3.f90'
include 'gcom4.f90'
! ndecoding data Action
!--------------------------------------
! 0 Idle
! 1 d2a Standard decode, full file
! 2 y1 Mouse pick, top half
! 3 y1 Mouse pick, bottom half
! 4 d2c Decode recorded file
! 5 d2a Mouse pick, main window
lenpick=22050 !Length of FSK441 mouse-picked region
if(mode(1:4).eq.'JT6M') then
lenpick=4*11025
if(mousebutton.eq.3) lenpick=10*11025
endif
istart=1.0 + 11025*0.001*npingtime - lenpick/2
if(istart.lt.2) istart=2
if(ndecoding.eq.1) then
! Normal decoding at end of Rx period (or at t=53s in JT65)
istart=1
call decode3(d2a,jza,istart,fnamea)
else if(ndecoding.eq.2) then
! Mouse pick, top half of waterfall
! The following is empirical:
k=2048*ibuf0 + istart - 11025*mod(tbuf(ibuf0),dble(trperiod)) -3850
if(k.le.0) k=k+NRxMax
if(k.gt.NrxMax) k=k-NRxMax
nt=ntime/86400
nt=86400*nt + tbuf(ibuf0)
if(receiving.eq.0) nt=nt-trperiod
call get_fname(hiscall,nt,trperiod,lauto,fnamex)
do i=1,lenpick
k=k+1
if(k.gt.NrxMax) k=k-NRxMax
d2b(i)=dgain*y1(k)
enddo
call decode3(d2b,lenpick,istart,fnamex)
else if(ndecoding.eq.3) then
!Mouse pick, bottom half of waterfall
ib0=ibuf0-161
if(lauto.eq.1 .and. mute.eq.0 .and. transmitting.eq.1) ib0=ibuf0-323
if(ib0.lt.1) ib0=ib0+1024
k=2048*ib0 + istart - 11025*mod(tbuf(ib0),dble(trperiod)) - 3850
if(k.le.0) k=k+NRxMax
if(k.gt.NrxMax) k=k-NRxMax
nt=ntime/86400
nt=86400*nt + tbuf(ib0)
call get_fname(hiscall,nt,trperiod,lauto,fnamex)
do i=1,lenpick
k=k+1
if(k.gt.NrxMax) k=k-NRxMax
d2b(i)=dgain*y1(k)
enddo
call decode3(d2b,lenpick,istart,fnamex)
!Recorded file
else if(ndecoding.eq.4) then
jzz=jzc
if(mousebutton.eq.0) istart=1
if(mousebutton.gt.0) then
jzz=lenpick
if(mode(1:4).eq.'JT6M') jzz=4*11025
istart=istart + 3300 - jzz/2
if(istart.lt.2) istart=2
if(istart+jzz.gt.jzc) istart=jzc-jzz
endif
call decode3(d2c(istart),jzz,istart,filename)
else if(ndecoding.eq.5) then
! Mouse pick, main window (but not from recorded file)
istart=istart - 1512
if(istart.lt.2) istart=2
if(istart+lenpick.gt.jza) istart=jza-lenpick
call decode3(d2a(istart),lenpick,istart,fnamea)
endif
fnameb=fnamea
999 return
end subroutine decode2
!---------------------------------------------------- decode3
subroutine decode3(d2,jz,istart,filename)
#ifdef Win32
use dfport
#endif
integer*2 d2(jz),d2d(60*11025)
real*8 sq
character*24 filename
character FileID*40
character mycall0*12,hiscall0*12,hisgrid0*6
logical savefile
include 'gcom1.f90'
include 'gcom2.f90'
if(ichar(filename(1:1)).eq.0) go to 999
FileID=filename
decodedfile=filename
lumsg=11
nqrn=nclip+5
nmode=1
if(mode(1:4).eq.'JT65') then
nmode=2
if(mode(5:5).eq.'A') mode65=1
if(mode(5:5).eq.'B') mode65=2
if(mode(5:5).eq.'C') mode65=4
endif
if(mode.eq.'Echo') nmode=3
if(mode.eq.'JT6M') nmode=4
mode441=1
sum=0.
do i=1,jz
sum=sum+d2(i)
enddo
nave=nint(sum/jz)
! sq=0.d0
! nsq=0
do i=1,jz
d2(i)=d2(i)-nave
d2d(i)=d2(i)
! if(abs(d2d(i)).gt.5) then
! sq=sq+dfloat(d2d(i))**2
! nsq=nsq+1
! endif
enddo
! rms=sqrt(sq/nsq)
! sig=(1.414/rms) * 10.0**(0.05*(-24.0)) * (2500.0/5512.5)
! do i=1,jz
! d2d(i)=nint(500.0 * (gasdev(idum) + sig*d2d(i)))
! enddo
if(nblank.ne.0) call blanker(d2d,jz)
nseg=1
if(mode(1:4).eq.'JT65') then
i=index(FileID,'.')-3
if(FileID(i:i).eq.'1'.or.FileID(i:i).eq.'3'.or.FileID(i:i).eq.'5' &
.or.FileID(i:i).eq.'7'.or.FileID(i:i).eq.'9') nseg=2
endif
open(23,file=appdir(:lenappdir)//'/CALL3.TXT',status='unknown')
call wsjt1(d2d,jz,istart,samfacin,FileID,ndepth,MinSigdB, &
NQRN,DFTolerance,NSaveCum,MouseButton,NClearAve, &
nMode,NFreeze,NAFC,NZap,AppDir,utcdate,mode441,mode65, &
MyCall,HisCall,HisGrid,neme,nsked,naggressive,ntx2,s2, &
ps0,npkept,lumsg,basevb,rmspower,nslim2,psavg,ccf,Nseg, &
MouseDF,NAgain,LDecoded,nspecial,ndf,ss1,ss2)
close(23)
! See whether this file should be saved or erased from disk
if(nsave.eq.1 .and. ldecoded) filetokilla=''
if(nsave.eq.3 .or. (nsave.eq.2 .and. lauto.eq.1)) then
filetokilla=''
filetokillb=''
endif
if(mousebutton.ne.0) filetokilla=''
if(nsavelast.eq.1) filetokillb=''
nsavelast=0
ierr=unlink(filetokillb)
nclearave=0
nagain=0
if(mode(1:4).eq.'JT65') then
call pix2d65(d2d,jz)
else if(mode.eq.'FSK441') then
nz=s2(1,1)
call pix2d(d2d,jz,mousebutton,s2,64,nz,b)
else if(mode(1:4).eq.'JT6M' .and. mousebutton.eq.0) then
nz=s2(1,1)
call pix2d(d2d,jz,mousebutton,s2,64,nz,b)
endif
! Compute red and magenta cutves for small plot area, FSK441/JT6M only
if(mode.eq.'FSK441' .or. mode.eq.'JT6M') then
do i=1,128
if(mode.eq.'FSK441' .and. ps0(i).gt.0.0) ps0(i)=10.0*log10(ps0(i))
if(psavg(i).gt.0.0) psavg(i)=10.0*log10(psavg(i))
enddo
endif
999 return
end subroutine decode3
include 'pix2d.f90'
include 'pix2d65.f90'
include 'blanker.f90'
!----------------------------------------------------------- savedata
subroutine savedata
#ifdef Win32
use dfport
#endif
character fname*24,longname*80
data ibuf0z/1/
include 'gcom1.f90'
include 'gcom2.f90'
include 'gcom3.f90'
save
if(mode(1:4).eq.'JT65') then
call get_fname(hiscall,ntime,trperiod,lauto,fname0)
ibuf1=ibuf0
ibuf2=ibuf
go to 1
else
call get_fname(hiscall,ntime-trperiod,trperiod,lauto,fname0)
endif
if(ibuf0.eq.ibuf0z) go to 999 !Startup condition, do not save
if(ntrbuf(ibuf0z).eq.1) go to 999 !We were transmitting, do not save
! Get buffer pointers, then copy completed Rx sequence from y1 to d2a:
ibuf1=ibuf0z
ibuf2=ibuf0-1
1 jza=2048*(ibuf2-ibuf1)
if(jza.lt.0) jza=jza+NRxMax
lenok=1
if(jza.lt.110250) go to 999 !Don't save files less than 10 s
if(jza.gt.60*11025) go to 999 !Don't save if something's fishy
k=2048*(ibuf1-1)
if(mode(1:4).ne.'JT65') k=k+3*2048
if(mode(1:4).ne.'JT65' .and. jza.gt.30*11025) then
k=k + (jza-30*11025)
if(k.gt.NRxMax) k=k-NRxMax
jza=30*11025
endif
! Check timestamps of buffers used for this data
msbig=0
i=k/2048
if(msmax.eq.0) i=i+1
nz=jza/2048
if(msmax.eq.0) then
i=i+1
nz=nz-1
endif
do n=1,nz
i=i+1
if(i.gt.1024) i=i-1024
i0=i-1
if(i0.lt.1) i0=i0+1024
dtt=tbuf(i)-tbuf(i0)
ms=0
if(dtt.gt.0.d0 .and. dtt.lt.80000.0) ms=1000.d0*dtt
msbig=max(ms,msbig)
enddo
if(ndebug.gt.0 .and. msbig.gt.msmax .and. msbig.gt.330) then
write(*,1020) msbig
1020 format('Warning: interrupt service interval',i11,' ms.')
endif
msmax=max(msbig,msmax)
do i=1,jza
k=k+1
if(k.gt.NRxMax) k=k-NRxMax
xx=dgain*y1(k)
xx=min(32767.0,max(-32767.0,xx))
d2a(i)=nint(xx)
enddo
fnamea=fname0
npingtime=0
fname=fnamea !Save filename for output to disk
nagain=0
ndecoding=1 !Request decoding
! Generate file name and write data to file
! if(nsave.ge.2 .and. ichar(fname(1:1)).ne.0) then
if(ichar(fname(1:1)).ne.0) then
! Generate header for wavefile:
ariff='RIFF'
awave='WAVE'
afmt='fmt '
adata='data'
lenfmt=16
nfmt2=1
nchan2=1
nsamrate=11025
nbytesam2=2
nbytesec=nchan2*nsamrate*nbytesam2
nbitsam2=16
ndata=2*jza
nbytes=ndata+44
nchunk=nbytes-8
do i=80,1,-1
if(appdir(i:i).ne.' ') go to 10
enddo
10 longname=AppDir(1:i)//'/RxWav/'//fname
#ifdef Win32
open(17,file=longname,status='unknown',form='binary',err=20)
#else
open(17,file=longname,status='unknown',form='unformatted',err=20)
#endif
write(17) ariff,nchunk,awave,afmt,lenfmt,nfmt2,nchan2,nsamrate, &
nbytesec,nbytesam2,nbitsam2,adata,ndata,(d2a(j),j=1,jza)
close(17)
filetokillb=filetokilla
filetokilla=longname
go to 30
20 print*,'Error opening Fortran unit 17.'
print*,longname
30 continue
endif
999 if(mode(1:4).ne.'JT65') then
ibuf0z=ibuf0
ntime0=ntime
call get_fname(hiscall,ntime,trperiod,lauto,fname0)
endif
return
end subroutine savedata
subroutine get_fname(hiscall,ntime,trperiod,lauto,fname)
#ifdef Win32
use dfport
#endif
character hiscall*12,fname*24,tag*7
integer ntime
integer trperiod
integer it(9)
n1=ntime
n2=(n1+2)/trperiod
n3=n2*trperiod
call gmtime(n3,it)
it(5)=it(5)+1
it(6)=mod(it(6),100)
write(fname,1000) (it(j),j=6,1,-1)
1000 format('_',3i2.2,'_',3i2.2,'.WAV')
tag=hiscall
i=index(hiscall,'/')
if(i.ge.5) tag=hiscall(1:i-1)
if(i.ge.2.and.i.le.4) tag=hiscall(i+1:)
if(lauto.eq.0) tag='Mon'
i=index(tag,' ')
fname=tag(1:i-1)//fname
return
end subroutine get_fname
!---------------------------------------------------- End Module Audio1
!---------------------------------------------------- spec
subroutine spec(brightness,contrast,logmap,ngain,nspeed,a)
! Called by SpecJT in its TopLevel Python code.
! Probably should use the "!f2py intent(...)" structure here.
! Input:
integer brightness,contrast !Display parameters
integer ngain !Digital gain for input audio
integer nspeed !Scrolling speed index
! Output:
integer*2 a(225000) !Pixel values for 750 x 300 array
real psa(750) !Grand average spectrum
real ref(750) !Ref spect: smoothed ave of lower half
real birdie(750) !Spec (with birdies) for plot, in dB
real variance(750) !Variance in each spectral channel
real a0(225000) !Save the last 300 spectra
integer*2 idat(11025) !Sound data, read from file
integer nstep(5)
integer b0,c0
real x(4096) !Data for FFT
complex c(0:2048) !Complex spectrum
real ss(1024) !Bottom half of power spectrum
logical first
include 'gcom1.f90'
include 'gcom2.f90'
include 'gcom3.f90'
include 'gcom4.f90'
data jz/0/ !Number of spectral lines available
data nstep/15,10,5,2,1/ !Integration limits
data first/.true./
equivalence (x,c)
save
if(first) then
call zero(ss,nq)
istep=2205
nfft=4096
nq=nfft/4
df=11025.0/nfft
fac=2.0/10000.
nsum=0
iread=0
cversion='5.5.0 '
first=.false.
b0=-999
c0=-999
logmap0=-999
nspeed0=-999
nx=0
ncall=0
jza=0
rms=0.
endif
nmode=1
if(mode(1:4).eq.'JT65') nmode=2
if(mode.eq.'Echo') nmode=3
if(mode.eq.'JT6M') nmode=4
nlines=0
newdat=0
npts=iwrite-iread
if(ndiskdat.eq.1) then
npts=jzc/2048
npts=2048*npts
kread=0
if(nspeed.ge.6) then
call hscroll(a,nx)
nx=0
endif
endif
if(npts.lt.0) npts=npts+nmax
if(npts.lt.nfft) go to 900 !Not enough data available
10 continue
if(ndiskdat.eq.1) then
! Data read from disk
k=kread
do i=1,nfft
k=k+1
x(i)=0.4*d2c(k)
enddo
kread=kread+istep !Update pointer
else
! Real-time data
dgain=2.0*10.0**(0.005*ngain)
k=iread
do i=1,nfft
k=k+1
if(k.gt.nmax) k=k-nmax
x(i)=0.5*dgain*y1(k)
enddo
iread=iread+istep !Update pointer
if(iread.gt.nmax) iread=iread-nmax
endif
sum=0. !Get ave, rms of data
do i=1,nfft
sum=sum+x(i)
enddo
ave=sum/nfft
sq=0.
do i=1,nfft
d=x(i)-ave
sq=sq+d*d
x(i)=fac*d
enddo
rms1=sqrt(sq/nfft)
if(rms.eq.0) rms=rms1
rms=0.25*rms1 + 0.75*rms
if(ndiskdat.eq.0) then
level=0 !Compute S-meter level
if(rms.gt.0.0) then !Scale 0-100, steps = 0.4 dB
dB=20.0*log10(rms/800.0)
level=50 + 2.5*dB
if(level.lt.0) level=0
if(level.gt.100) level=100
endif
endif
if(nspeed.ge.6) then
call horizspec(x,brightness,contrast,a)
ncall=Mod(ncall+1,5)
if(ncall.eq.1 .or. nspeed.eq.7) newdat=1
if(ndiskdat.eq.1) then
npts=jzc-kread
else
npts=iwrite-iread
if(npts.lt.0) npts=npts+nmax
endif
if(npts.ge.4096) go to 10
go to 900
endif
call xfft(x,nfft)
do i=1,nq !Accumulate power spectrum
ss(i)=ss(i) + real(c(i))**2 + imag(c(i))**2
enddo
nsum=nsum+1
if(nsum.ge.nstep(nspeed)) then !Integrate for specified time
nlines=nlines+1
do i=225000,751,-1 !Move spectra up one row
a0(i)=a0(i-750) ! (will be "down" on display)
enddo
if(ndiskdat.eq.1 .and. nlines.eq.1) then
do i=1,750
a0(i)=255
enddo
do i=225000,751,-1
a0(i)=a0(i-750)
enddo
endif
if(nflat.gt.0) call flat2(ss,1024,nsum)
do i=1,750 !Insert new data in top row
j=i+182 ! ?? was 186 ??
a0(i)=5*ss(j)/nsum
xdb=-40.
if(a0(i).gt.0.) xdb=10*log10(a0(i))
enddo
nsum=0
newdat=1 !Flag for new spectrum available
call zero(ss,nq) !Zero the accumulating array
if(jz.lt.300) jz=jz+1
endif
if(ndiskdat.eq.1) then
npts=jzc-kread
else
npts=iwrite-iread
if(npts.lt.0) npts=npts+nmax
endif
if(npts.ge.4096) go to 10
! Compute pixel values
iz=750
logmap=0
if(brightness.ne.b0 .or. contrast.ne.c0 .or. logmap.ne.logmap0 .or. &
nspeed.ne.nspeed0 .or. nlines.gt.1) then
iz=225000
gain=40*sqrt(nstep(nspeed)/5.0) * 5.0**(0.01*contrast)
gamma=1.3 + 0.01*contrast
offset=(brightness+64.0)/2
b0=brightness
c0=contrast
logmap0=logmap
nspeed0=nspeed
endif
! print*,brightness,contrast,logmap,gain,gamma,offset
do i=1,iz
n=0
if(a0(i).gt.0.0 .and. logmap.eq.1) n=gain*log10(0.001*a0(i)) + offset + 20
if(a0(i).gt.0.0 .and. logmap.eq.0) n=(0.01*a0(i))**gamma + offset
n=min(252,max(0,n))
a(i)=n
enddo
900 continue
return
end subroutine spec
!------------------------------------------------------ horizspec
subroutine horizspec(x,brightness,contrast,a)
real x(4096)
integer brightness,contrast
integer*2 a(750,300)
real y(512),ss(128)
complex c(0:256)
equivalence (y,c)
include 'gcom1.f90'
include 'gcom2.f90'
save
nfft=512
nq=nfft/4
gain=50.0 * 3.0**(0.36+0.01*contrast)
gamma=1.3 + 0.01*contrast
offset=0.5*(brightness+30.0)
! offset=0.5*(brightness+60.0)
df=11025.0/512.0
if(ntr.ne.ntr0) then
if(lauto.eq.0 .or. ntr.eq.TxFirst) then
call hscroll(a,nx)
nx=0
endif
ntr0=ntr
endif
i0=0
do iter=1,5
if(nx.lt.750) nx=nx+1
if(nx.eq.1) then
t0curr=Tsec
endif
do i=1,nfft
y(i)=1.4*x(i+i0)
enddo
call xfft(y,nfft)
nq=nfft/4
do i=1,nq
ss(i)=real(c(i))**2 + imag(c(i))**2
enddo
p=0.
do i=21,120
p=p+ss(i)
n=0
! Use the gamma formula here!
if(ss(i).gt.0.) n=gain*log10(0.05*ss(i)) + offset
! if(ss(i).gt.0.) n=(0.2*ss(i))**gamma + offset
n=min(252,max(0,n))
j=121-i
a(nx,j)=n
enddo
if(nx.eq.7 .or. nx.eq.378 .or. nx.eq.750) then
! Put in yellow ticks at the standard tone frequencies for FSK441, or
! at the sync-tone frequency for JT65, JT6M.
do i=nx-4,nx
if(mode.eq.'FSK441') then
do n=2,5
j=121-nint(n*441/df)
a(i,j)=254
enddo
else if(mode(1:4).eq.'JT65') then
j=121-nint(1270.46/df)
a(i,j)=254
else if(mode.eq.'JT6M') then
j=121-nint(1076.66/df)
a(i,j)=254
endif
enddo
endif
ng=140 - 30*log10(0.00033*p+0.001)
ng=min(ng,150)
if(nx.eq.1) ng0=ng
if(abs(ng-ng0).le.1) then
a(nx,ng)=255
else
ist=1
if(ng.lt.ng0) ist=-1
jmid=(ng+ng0)/2
i=max(1,nx-1)
do j=ng0+ist,ng,ist
a(i,j)=255
if(j.eq.jmid) i=i+1
enddo
ng0=ng
endif
i0=i0+441
enddo
return
end subroutine horizspec
!------------------------------------------------- hscroll
subroutine hscroll(a,nx)
integer*2 a(750,300)
do j=1,150
do i=1,750
if(nx.gt.50) a(i,150+j)=a(i,j)
a(i,j)=0
enddo
enddo
return
end subroutine hscroll
!------------------------------------------------ ftn_init
subroutine ftn_init
character*1 cjunk
include 'gcom1.f90'
include 'gcom2.f90'
include 'gcom3.f90'
include 'gcom4.f90'
addpfx=' '
do i=80,1,-1
if(AppDir(i:i).ne.' ') goto 1
enddo
1 iz=i
lenappdir=iz
#ifdef Win32
open(11,file=appdir(:iz)//'/decoded.txt',status='unknown', &
share='denynone',err=910)
#else
open(11,file=appdir(:iz)//'/decoded.txt',status='unknown', &
err=910)
#endif
endfile 11
#ifdef Win32
open(12,file=appdir(:iz)//'/decoded.ave',status='unknown', &
share='denynone',err=920)
#else
open(12,file=appdir(:iz)//'/decoded.ave',status='unknown', &
err=920)
#endif
endfile 12
#ifdef Win32
open(14,file=appdir(:iz)//'/azel.dat',status='unknown', &
share='denynone',err=930)
#else
open(14,file=appdir(:iz)//'/azel.dat',status='unknown', &
err=930)
#endif
#ifdef Win32
open(15,file=appdir(:iz)//'/debug.txt',status='unknown', &
share='denynone',err=940)
#else
open(15,file=appdir(:iz)//'/debug.txt',status='unknown', &
err=940)
#endif
#ifdef Win32
open(21,file=appdir(:iz)//'/ALL.TXT',status='unknown', &
access='append',share='denynone',err=950)
#else
open(21,file=appdir(:iz)//'/ALL.TXT',status='unknown',err=950)
do i=1,9999999
read(21,*,end=10) cjunk
enddo
10 continue
#endif
#ifdef Win32
open(22,file=appdir(:iz)//'/kvasd.dat',access='direct',recl=1024, &
status='unknown',share='denynone')
#else
open(22,file=appdir(:iz)//'/kvasd.dat',access='direct',recl=1024, &
status='unknown')
#endif
return
910 print*,'Error opening DECODED.TXT'
stop
920 print*,'Error opening DECODED.AVE'
stop
930 print*,'Error opening AZEL.DAT'
stop
940 print*,'Error opening DEBUG.TXT'
stop
950 print*,'Error opening ALL.TXT'
stop
end subroutine ftn_init
!------------------------------------------------ ftn_quit
subroutine ftn_quit
call four2a(a,-1,1,1,1)
return
end subroutine ftn_quit
!------------------------------------------------ audio_init
subroutine audio_init(ndin,ndout)
#ifdef Win32
use dfmt
integer Thread1,Thread2
external a2d,decode1
#endif
integer*2 a(225000) !Pixel values for 750 x 300 array
integer brightness,contrast
include 'gcom1.f90'
ndevin=ndin
ndevout=ndout
TxOK=0
Transmitting=0
nfsample=11025
nspb=1024
nbufs=2048
nmax=nbufs*nspb
nwave=60*nfsample
ngo=1
brightness=0
contrast=0
nsec=1
df=11025.0/4096
f0=800.0
do i=1,nwave
iwave(i)=nint(32767.0*sin(6.283185307*i*f0/nfsample))
enddo
#ifdef Win32
! Priority classes (for processes):
! IDLE_PRIORITY_CLASS 64
! NORMAL_PRIORITY_CLASS 32
! HIGH_PRIORITY_CLASS 128
! Priority definitions (for threads):
! THREAD_PRIORITY_IDLE -15
! THREAD_PRIORITY_LOWEST -2
! THREAD_PRIORITY_BELOW_NORMAL -1
! THREAD_PRIORITY_NORMAL 0
! THREAD_PRIORITY_ABOVE_NORMAL 1
! THREAD_PRIORITY_HIGHEST 2
! THREAD_PRIORITY_TIME_CRITICAL 15
m0=SetPriorityClass(GetCurrentProcess(),NORMAL_PRIORITY_CLASS)
! Start a thread for doing A/D and D/A with sound card.
Thread1=CreateThread(0,0,a2d,0,CREATE_SUSPENDED,id)
m1=SetThreadPriority(Thread1,THREAD_PRIORITY_ABOVE_NORMAL)
m2=ResumeThread(Thread1)
! Start a thread for background decoding.
Thread2=CreateThread(0,0,decode1,0,CREATE_SUSPENDED,id)
m3=SetThreadPriority(Thread2,THREAD_PRIORITY_BELOW_NORMAL)
m4=ResumeThread(Thread2)
#else
call start_threads
#endif
return
end subroutine audio_init
!----------------------------------------------------- getfile
subroutine getfile(fname,len)
#ifdef Win32
use dflib
#endif
parameter (NDMAX=60*11025)
character*(*) fname
include 'gcom1.f90'
include 'gcom2.f90'
include 'gcom4.f90'
integer*1 d1(NDMAX)
integer*1 hdr(44),n1
integer*2 d2(NDMAX)
integer*2 nfmt2,nchan2,nbitsam2,nbytesam2
character*4 ariff,awave,afmt,adata
common/hdr/ariff,lenfile,awave,afmt,lenfmt,nfmt2,nchan2, &
nsamrate,nbytesec,nbytesam2,nbitsam2,adata,ndata,d2
equivalence (ariff,hdr),(n1,n4),(d1,d2)
1 if(ndecoding.eq.0) go to 2
#ifdef Win32
call sleepqq(100)
#else
call usleep(100*1000)
#endif
go to 1
2 do i=len,1,-1
if(fname(i:i).eq.'/' .or. fname(i:i).eq.'\\') go to 10
enddo
i=0
10 filename=fname(i+1:)
ierr=0
#ifdef Win32
open(10,file=fname,form='binary',status='old',err=998)
read(10,end=998) hdr
#else
call rfile2(fname,hdr,44+2*NDMAX,nr)
#endif
if(nbitsam2.eq.8) then
if(ndata.gt.NDMAX) ndata=NDMAX
#ifdef Win32
call rfile(10,d1,ndata,ierr)
if(ierr.ne.0) go to 999
#endif
do i=1,ndata
n1=d1(i)
n4=n4+128
d2c(i)=250*n1
enddo
jzc=ndata
else if(nbitsam2.eq.16) then
if(ndata.gt.2*NDMAX) ndata=2*NDMAX
#ifdef Win32
call rfile(10,d2c,ndata,ierr)
if(ierr.ne.0) go to 999
#else
jzc=ndata/2
do i=1,jzc
d2c(i)=d2(i)
enddo
#endif
endif
if(monitoring.eq.0) then
! In this case, spec should read data from d2c
! jzc=jzc/2048
! jzc=jzc*2048
ndiskdat=1
endif
mousebutton=0
ndecoding=4
go to 999
998 ierr=1001
999 close(10)
return
end subroutine getfile
!----------------------------------------------------- rfile
subroutine rfile(lu,ibuf,n,ierr)
integer*1 ibuf(n)
read(lu,end=998) ibuf
ierr=0
go to 999
998 ierr=1002
999 return
end subroutine rfile
!--------------------------------------------------- i1tor4
subroutine i1tor4(d,jz,data)
! Convert wavefile byte data from to real*4.
integer*1 d(jz)
real data(jz)
integer*1 i1
equivalence(i1,i4)
do i=1,jz
n=d(i)
i4=n-128
data(i)=i1
enddo
return
end subroutine i1tor4
!---------------------------------------------------- azdist0
subroutine azdist0(MyGrid,HisGrid,utch,nAz,nEl,nDmiles,nDkm,nHotAz,nHotABetter)
character*6 MyGrid,HisGrid
real*8 utch
!f2py intent(in) MyGrid,HisGrid,utch
!f2py intent(out) nAz,nEl,nDmiles,nDkm,nHotAz,nHotABetter
if(hisgrid(5:5).eq.' ' .or. ichar(hisgrid(5:5)).eq.0) hisgrid(5:5)='m'
if(hisgrid(6:6).eq.' ' .or. ichar(hisgrid(6:6)).eq.0) hisgrid(6:6)='m'
call azdist(MyGrid,HisGrid,utch,nAz,nEl,nDmiles,nDkm,nHotAz,nHotABetter)
return
end subroutine azdist0
!--------------------------------------------------- astro0
subroutine astro0(nyear,month,nday,uth8,nfreq,grid,cauxra,cauxdec, &
AzSun8,ElSun8,AzMoon8,ElMoon8,AzMoonB8,ElMoonB8,ntsky,ndop,ndop00, &
dbMoon8,RAMoon8,DecMoon8,HA8,Dgrd8,sd8,poloffset8,xnr8,dfdt,dfdt0, &
RaAux8,DecAux8,AzAux8,ElAux8)
!f2py intent(in) nyear,month,nday,uth8,nfreq,grid,cauxra,cauxdec
!f2py intent(out) AzSun8,ElSun8,AzMoon8,ElMoon8,AzMoonB8,ElMoonB8,ntsky,ndop,ndop00,dbMoon8,RAMoon8,DecMoon8,HA8,Dgrd8,sd8,poloffset8,xnr8,dfdt,dfdt0,RaAux8,DecAux8,AzAux8,ElAux8
character grid*6
character*9 cauxra,cauxdec
real*8 utch8
real*8 AzSun8,ElSun8,AzMoon8,ElMoon8,AzMoonB8,ElMoonB8,AzAux8,ElAux8
real*8 dbMoon8,RAMoon8,DecMoon8,HA8,Dgrd8,xnr8,dfdt,dfdt0
real*8 sd8,poloffset8
include 'gcom2.f90'
data uth8z/0.d0/,imin0/-99/
save
auxra=0.
i=index(cauxra,':')
if(i.eq.0) then
read(cauxra,*,err=1,end=1) auxra
else
read(cauxra(1:i-1),*,err=1,end=1) ih
read(cauxra(i+1:i+2),*,err=1,end=1) im
read(cauxra(i+4:i+5),*,err=1,end=1) is
auxra=ih + im/60.0 + is/3600.0
endif
1 auxdec=0.
i=index(cauxdec,':')
if(i.eq.0) then
read(cauxdec,*,err=2,end=2) auxdec
else
read(cauxdec(1:i-1),*,err=2,end=2) id
read(cauxdec(i+1:i+2),*,err=2,end=2) im
read(cauxdec(i+4:i+5),*,err=2,end=2) is
auxdec=id + im/60.0 + is/3600.0
endif
2 nmode=1
if(mode(1:4).eq.'JT65') then
nmode=2
if(mode(5:5).eq.'A') mode65=1
if(mode(5:5).eq.'B') mode65=2
if(mode(5:5).eq.'C') mode65=4
endif
if(mode.eq.'Echo') nmode=3
if(mode.eq.'JT6M') nmode=4
uth=uth8
call astro(AppDir,nyear,month,nday,uth,nfreq,hisgrid,2,nmode,1, &
AzSun,ElSun,AzMoon,ElMoon,ntsky,doppler00,doppler, &
dbMoon,RAMoon,DecMoon,HA,Dgrd,sd,poloffset,xnr,auxra,auxdec, &
AzAux,ElAux)
AzMoonB8=AzMoon
ElMoonB8=ElMoon
call astro(AppDir,nyear,month,nday,uth,nfreq,grid,1,nmode,1, &
AzSun,ElSun,AzMoon,ElMoon,ntsky,doppler00,doppler, &
dbMoon,RAMoon,DecMoon,HA,Dgrd,sd,poloffset,xnr,auxra,auxdec, &
AzAux,ElAux)
RaAux8=auxra
DecAux8=auxdec
AzSun8=AzSun
ElSun8=ElSun
AzMoon8=AzMoon
ElMoon8=ElMoon
dbMoon8=dbMoon
RAMoon8=RAMoon/15.0
DecMoon8=DecMoon
HA8=HA
Dgrd8=Dgrd
sd8=sd
poloffset8=poloffset
xnr8=xnr
AzAux8=AzAux
ElAux8=ElAux
ndop=nint(doppler)
ndop00=nint(doppler00)
if(uth8z.eq.0.d0) then
uth8z=uth8-1.d0/3600.d0
dopplerz=doppler
doppler00z=doppler00
endif
dt=60.0*(uth8-uth8z)
if(dt.le.0) dt=1.d0/60.d0
dfdt=(doppler-dopplerz)/dt
dfdt0=(doppler00-doppler00z)/dt
uth8z=uth8
dopplerz=doppler
doppler00z=doppler00
imin=60*uth8
isec=3600*uth8
if(isec.ne.isec0) then
ih=uth8
im=mod(imin,60)
is=mod(isec,60)
rewind 14
write(14,1010) ih,im,is,AzMoon,ElMoon
1010 format(i2.2,':',i2.2,':',i2.2,',',f5.1,',',f5.1,',Moon')
write(14,1012) ih,im,is,AzSun,ElSun
1012 format(i2.2,':',i2.2,':',i2.2,',',f5.1,',',f5.1,',Sun')
write(14,1013) ih,im,is,AzAux,ElAux
1013 format(i2.2,':',i2.2,':',i2.2,',',f5.1,',',f5.1,',Source')
write(14,1014) nfreq,doppler,dfdt,doppler00,dfdt0
1014 format(i4,',',f6.1,',',f6.2,',',f6.1,',',f6.2,',Doppler')
rewind 14
isec0=isec
endif
return
end subroutine astro0
include 'makedate_sub.f90'
include 'abc441.f90'
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