WSJT-X/plrs.f90
Joe Taylor b163a8a765 Added "Pseudo-Linrad" test programs.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@394 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2007-06-20 15:53:56 +00:00

71 lines
1.9 KiB
Fortran

program plrs
! Pseudo-Linrad "Send" program. Reads recorded Linrad data from "*.tf2"
! files, and multicasts it as Linrad would do for timf2 data.
integer RMODE
parameter(RMODE=0)
parameter (NBPP=1392,NPPR=184)
parameter (NBYTES=NBPP*NPPR,NZ=NBYTES/8)
parameter (NRECS=1979)
integer*1 userx_no,iusb
integer*2 nblock
real*8 d(NZ),buf8
integer fd
integer open,read,close
character*8 fname
real*8 center_freq,dmsec,dtmspacket
common/plrscom/center_freq,msec,fselect,iptr,nblock,userx_no,iusb,buf8(174)
! 8 4 4 4 2 1 1 1392
fname="all.tf2"//char(0)
iters=1
userx_no=0
iusb=1
center_freq=144.125d0
dtmspacket=1000.d0*NBPP/(8.d0*96000.d0)
fselect=128.0 + 1.6 + 0.220
npkt=0
call setup_ssocket !Open a socket for multicasting
do iter=1,iters
fd=open(fname,RMODE) !Open file for reading
dmsec=-dtmspacket
nsec0=time()
do irec=1,NRECS
nr=read(fd,d,NBYTES)
if(nr.ne.NBYTES) then
print*,'Error reading file all.tf2'
go to 999
endif
k=0
do ipacket=1,NPPR
dmsec=dmsec+dtmspacket
msec=nint(dmsec)
do i=1,NBPP/8
k=k+1
buf8(i)=d(k)
enddo
call send_pkt(center_freq)
npkt=npkt+1
if(mod(npkt,100).eq.0) then
nsec=time()-nsec0
nwait=msec-1000*nsec
if(mod(npkt,1000).eq.0) write(*,1010) npkt,nsec,0.001*msec,nwait
1010 format('npkt:',i10,' nsec:',i6,' t:',f10.3,' nwait:',i8)
! Pace the data at close to its real-time rate
if(nwait.gt.0) call usleep(nwait*1000)
endif
enddo
enddo
i=close(fd)
enddo
999 end program plrs
! To compile: % gfortran -o plrs plrs.f90 plrs_subs.c cutil.c