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OK with multicasting data, FFTs starting at t=52 s.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@439 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2007-06-29 18:34:26 +00:00
parent e95ff3d9db
commit 759a2f785e
5 changed files with 97 additions and 88 deletions
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2
datcom.f90
View File

@ -2,4 +2,4 @@ parameter (NSMAX=60*96000) !Samples per 60 s file
integer*2 id !46 MB: raw data from Linrad timf2
character*80 fname80
common/datcom/id(4,NSMAX,2),nutc,newdat2,kbuf,kk,kkdone,nlost, &
nlen,fname80
t00,nlen,fname80

5
decode1.F90
View File

@ -28,12 +28,11 @@ subroutine decode1(iarg)
newdat2=0
kbuf=1
kk=NSMAX
kkdone=0
kkdone=-1
newdat=1
endif
if((kk-kkdone).gt.32768) call symspec(id,kbuf,kk,kkdone,rxnoise, &
newspec,newdat,ndecoding)
if((kk-kkdone).gt.32768) call symspec(id,kbuf,kk,kkdone,nutc,t00,newdat)
if(ndecoding.gt.0 .and. mode(1:4).eq.'JT65') then
ndecdone=0

107
map65a.f90
View File

@ -23,6 +23,7 @@ subroutine map65a(newdat)
data nfile/0/,nutc0/-999/,nid/0/,ip000/1/,ip001/1/
save
print*,'C ',secnds(t00),nutc,kk,kbuf,kkdone
pctlost=nlost/331.03
if(nlost.ne.0) write(*,1001) nutc,nlost,pctlost
1001 format('UTC:',i5.4,' Lost packets:',i6,', or',f6.1,' %')
@ -33,9 +34,6 @@ subroutine map65a(newdat)
if(nutc.ne.nutc0) nfile=nfile+1
nutc0=nutc
nutcdata=nutc
write(utcdata,1002) nutc
1002 format(i4.4)
utcdata=utcdata(1:2)//':'//utcdata(3:4)
open(23,file='CALL3.TXT',status='old')
fselect=mousefqso + 1.6
@ -57,8 +55,8 @@ subroutine map65a(newdat)
ib=nint((fb+23000.0)/df + 1.0)
endif
kk=0
nkk=1
km=0
nkm=1
nz=n/8
do i=1,NFFT
@ -117,32 +115,32 @@ subroutine map65a(newdat)
! Keep only the best candidate within ftol.
if(fshort-fshort0.le.ftol .and. sync2.gt.sync20 &
.and. nkk.eq.2) kk=kk-1
.and. nkm.eq.2) km=km-1
if(fshort-fshort0.gt.ftol .or. &
sync2.gt.sync20) then
kk=kk+1
sig(kk,1)=nfile
sig(kk,2)=nutc
sig(kk,3)=fshort
sig(kk,4)=syncshort
sig(kk,5)=dt2
sig(kk,6)=45*(ipol2-1)/57.2957795
sig(kk,7)=0
sig(kk,8)=snr2
sig(kk,9)=0
sig(kk,10)=0
! sig(kk,11)=rms0
sig(kk,12)=savg(ipol2,i)
sig(kk,13)=0
sig(kk,14)=0
sig(kk,15)=0
sig(kk,16)=0
! sig(kk,17)=0
sig(kk,18)=0
msg(kk)=shmsg0(j)
km=km+1
sig(km,1)=nfile
sig(km,2)=nutc
sig(km,3)=fshort
sig(km,4)=syncshort
sig(km,5)=dt2
sig(km,6)=45*(ipol2-1)/57.2957795
sig(km,7)=0
sig(km,8)=snr2
sig(km,9)=0
sig(km,10)=0
! sig(km,11)=rms0
sig(km,12)=savg(ipol2,i)
sig(km,13)=0
sig(km,14)=0
sig(km,15)=0
sig(km,16)=0
! sig(km,17)=0
sig(km,18)=0
msg(km)=shmsg0(j)
fshort0=fshort
sync20=sync2
nkk=2
nkm=2
endif
endif
enddo
@ -155,42 +153,42 @@ subroutine map65a(newdat)
! (Am I deleting any good decodes by doing this? Any harm in omitting
! these statements??)
if(freq-freq0.le.ftol .and. sync1.gt.sync10 .and. &
nkk.eq.1 .and.nqd.eq.0) kk=kk-1
nkm.eq.1 .and.nqd.eq.0) km=km-1
if(freq-freq0.gt.ftol .or. sync1.gt.sync10 .and. nqd.eq.0) then
nflip=nint(flipk)
call decode1a(id(1,1,kbuf),newdat,nfilt,freq,nflip,dphi, &
ipol,sync2,a,dt,pol,nkv,nhist,qual,decoded)
kk=kk+1
sig(kk,1)=nfile
sig(kk,2)=nutc
sig(kk,3)=freq
sig(kk,4)=sync1
sig(kk,5)=dt
sig(kk,6)=pol
sig(kk,7)=flipk
sig(kk,8)=sync2
sig(kk,9)=nkv
sig(kk,10)=qual
! sig(kk,11)=rms0
sig(kk,12)=savg(ipol,i)
sig(kk,13)=a(1)
sig(kk,14)=a(2)
sig(kk,15)=a(3)
sig(kk,16)=a(4)
! sig(kk,17)=a(5)
sig(kk,18)=nhist
msg(kk)=decoded
km=km+1
sig(km,1)=nfile
sig(km,2)=nutc
sig(km,3)=freq
sig(km,4)=sync1
sig(km,5)=dt
sig(km,6)=pol
sig(km,7)=flipk
sig(km,8)=sync2
sig(km,9)=nkv
sig(km,10)=qual
! sig(km,11)=rms0
sig(km,12)=savg(ipol,i)
sig(km,13)=a(1)
sig(km,14)=a(2)
sig(km,15)=a(3)
sig(km,16)=a(4)
! sig(km,17)=a(5)
sig(km,18)=nhist
msg(km)=decoded
freq0=freq
sync10=sync1
nkk=1
nkm=1
endif
endif
endif
enddo
if(nqd.eq.1) then
nwrite=0
do k=1,kk
do k=1,km
decoded=msg(k)
if(decoded.ne.' ') then
nutc=sig(k,2)
@ -229,6 +227,7 @@ subroutine map65a(newdat)
write(11,*) '$EOF'
call flushqqq(11)
print*,'D ',secnds(t00),nutc,kk,kbuf,kkdone
ndecdone=1
endif
if(nagain.eq.1) go to 999
@ -236,9 +235,9 @@ subroutine map65a(newdat)
! Trim the list and produce a sorted index and sizes of groups.
! (Should trimlist remove all but best SNR for given UTC and message content?)
call trimlist(sig,kk,indx,nsiz,nz)
call trimlist(sig,km,indx,nsiz,nz)
do i=1,kk
do i=1,km
done(i)=.false.
enddo
j=0
@ -307,5 +306,9 @@ subroutine map65a(newdat)
999 nagain=0
close(23)
if(kbuf.eq.1) kkdone=60*96000
if(kbuf.eq.2) kkdone=0
kk=kkdone
print*,'E ',secnds(t00),nutc,kk,kbuf,kkdone
return
end subroutine map65a

42
recvpkt.F90
View File

@ -4,9 +4,9 @@ subroutine recvpkt(iarg)
! Receive timf2 packets from Linrad, stuff data into id().
! This routine runs in a background thread and will never return.
#ifdef Win32
use dflib
#endif
!#ifdef Win32
! use dflib
!#endif
parameter (NSZ=2*60*96000)
real*8 d8(NSZ)
@ -15,7 +15,6 @@ subroutine recvpkt(iarg)
logical first
real*8 center_freq,buf8
common/plrscom/center_freq,msec,fqso,iptr,nblock,userx_no,iusb,buf8(174)
! 8 4 4 4 2 1 1 1392
include 'datcom.f90'
include 'gcom1.f90'
include 'gcom2.f90'
@ -36,9 +35,8 @@ subroutine recvpkt(iarg)
nblock0=nblock
if(lost.ne.0 .and. .not.first) then
! print*,'Lost packets?',nblock,nblock0,lost,rxnoise,mode
! Fill in zeros for the lost data.
nlost=nlost + lost
! print*,'Lost packets:',nblock,nblock0,lost
nlost=nlost + lost ! Insert zeros for the lost data.
do i=1,174*lost
k=k+1
d8(k)=0
@ -55,7 +53,6 @@ subroutine recvpkt(iarg)
k=0
if(kb.eq.2) k=NSMAX
nlost=0
kbuf=kb
endif
if(kb.eq.1 .and. (k+174).gt.NSMAX) go to 20
@ -104,24 +101,25 @@ subroutine recvpkt(iarg)
mutcm=mod(nsec/60,60)
mutc=100*mutch + mutcm
ns=mod(nsec,60)
! write(*,1010) mutc,ns,0.001*msec,k,rxnoise
!1010 format('UTC:',i5.4,' ns:',i3,' t:',f10.3,' k:',i8)
nsec0=nsec
ntx=ntx+transmitting
nutc=mutc
! if(mod(nsec,60).eq.43) kk=k !### ??? ###
if(mod(nsec,60).eq.52) then
kk=k
!###
! kk=k
! kbuf=kb
!###
! if(ns.eq.42) then
! nutc=mutc
! kbuf=kb
! kk=k
! t00=secnds(0.0)
! endif
if(ns.eq.52) then
nutc=mutc
kbuf=kb
klost=nlost
! if(ntx.lt.20) then
! newdat=1
! ndecoding=1
! endif
! ntx=0
kk=k
t00=secnds(0.0)
print*,'A ',0.0,nutc,kk,kbuf,kkdone
endif
print*,ns,nutc,kbuf,kk,kkdone
endif
endif

29
symspec.f90
View File

@ -1,28 +1,34 @@
subroutine symspec(id,kbuf,kk,kkdone,rxnoise,newspec,newdat,ndecoding)
subroutine symspec(id,kbuf,kk,kkdone,nutc,t00,newdat)
! Compute spectra at four polarizations, using half-symbol steps.
parameter (NSMAX=60*96000)
integer*2 id(4,NSMAX)
integer*2 id(4,NSMAX,2)
complex z
real*8 ts,hsym
include 'spcom.f90'
include 'gcom2.f90'
complex cx(NFFT),cy(NFFT) ! pad to 32k with zeros
data kbuf0/-999/
save
print*,'B ',secnds(t00),0,kk,kbuf,kkdone
fac=0.0002 * 10.0**(0.05*(-rxnoise))
hsym=2048.d0*96000.d0/11025.d0 !Samples per half symbol
npts=hsym !Integral samples per half symbol
ntot=322 !Half symbols per transmission
! ntot=279 !Half symbols in 51.8 sec
if(kkdone.eq.0) then
if(kbuf.ne.kbuf0 .or. kkdone.eq.-1) then
kkdone=0
kbuf0=kbuf
ts=1.d0 - hsym
n=0
do ip=1,4
do i=1,NFFT
szavg(ip,i)=0.
enddo
enddo
ts=1.d0 - hsym
n=0
endif
do nn=1,ntot
@ -31,11 +37,11 @@ subroutine symspec(id,kbuf,kk,kkdone,rxnoise,newspec,newdat,ndecoding)
i1=ts+2*hsym !Next starting sample pointer
ts=ts+hsym !OK, update the exact sample pointer
do i=1,npts !Copy data to FFT arrays
xr=fac*id(1,i0+i)
xi=fac*id(2,i0+i)
xr=fac*id(1,i0+i,kbuf)
xi=fac*id(2,i0+i,kbuf)
cx(i)=cmplx(xr,xi)
yr=fac*id(3,i0+i)
yi=fac*id(4,i0+i)
yr=fac*id(3,i0+i,kbuf)
yi=fac*id(4,i0+i,kbuf)
cy(i)=cmplx(yr,yi)
enddo
@ -86,12 +92,15 @@ subroutine symspec(id,kbuf,kk,kkdone,rxnoise,newspec,newdat,ndecoding)
! if(n.eq.ntot) then
if(n.ge.279) then
call move(ssz5,ss5,322*NFFT)
write(utcdata,1002) nutc
1002 format(i4.4)
utcdata=utcdata(1:2)//':'//utcdata(3:4)
newspec=1
call move(ssz,ss,4*322*NFFT)
call move(szavg,savg,4*NFFT)
newdat=1
ndecoding=1
go to 999
return
endif
kkdone=i1-1
nhsym=n