WSJT-X/plrs.F90
Joe Taylor a0e2fc7989 Change file names .F to .f, .F90 to .f90
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@2455 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2011-10-03 20:02:58 +00:00

157 lines
3.8 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)
parameter (NZ=60*96000)
parameter (NBYTES=8*NZ)
parameter (NPPR=NBYTES/NBPP)
integer*1 userx_no,iusb
integer*2 nblock
real*8 d(NZ),buf8
real*8 buf8a(174)
integer*2 id(4,174)
real*4 buf4(4,87)
integer fd
integer open,read,close
integer nm(11)
character*8 fname,arg,cjunk*1
logical fast,pause
real*8 center_freq,dmsec,dtmspacket,tmsec
common/plrscom/center_freq,msec2,fsample,iptr,nblock,userx_no,iusb,buf8(174)
equivalence (id,buf8a)
equivalence (buf8,buf4)
data nm/45,46,48,50,52,54,55,56,57,58,59/
data nblock/0/,fast/.false./,pause/.false./
nargs=iargc()
if(nargs.ne.5) then
print*,'Usage: plrs <fast|pause|slow> <minutes> <iters> <iwait> <ifloat>'
go to 999
endif
call getarg(1,arg)
if(arg(1:1).eq.'f' .or. arg(1:1).eq.'p') fast=.true.
if(arg(1:1).eq.'p') pause=.true.
call getarg(2,arg)
read(arg,*) nfiles
call getarg(3,arg)
read(arg,*) iters
call getarg(4,arg)
read(arg,*) iwait
call getarg(5,arg)
read(arg,*) ifloat
if(iwait.ne.0) then
1 if(mod(int(sec_midn()),60).eq.0) go to 2
call sleep_msec(100)
go to 1
endif
2 fname="all.tf2"//char(0)
userx_no=2
if(ifloat.ne.0) userx_no=-2
iusb=1
center_freq=144.125d0
dtmspacket=1000.d0*NBPP/(8.d0*96000.d0)
if(ifloat.ne.0) dtmspacket=0.5*dtmspacket
fsample=96000.0
npkt=0
call setup_ssocket !Open a socket for multicasting
do iter=1,iters
#ifdef CVF
open(10,file=fname,form='binary',status='old')
#else
fd=open(fname,RMODE) !Open file for reading
#endif
dmsec=-dtmspacket
sec0=sec_midn()
do ifile=1,nfiles
ns0=0
tmsec=1000*(3600*7 + 60*nm(ifile))-dtmspacket
k=0
do ipacket=1,NPPR
dmsec=dmsec+dtmspacket
tmsec=tmsec+dtmspacket
msec2=nint(tmsec)
msec=nint(dmsec)
#ifdef CVF
read(10) buf8
#else
nr=read(fd,buf8,NBPP)
if(nr.ne.NBPP) then
print*,'Error reading file all.tf2'
go to 999
endif
#endif
if(ifloat.ne.0) then
buf8a=buf8
do i=1,87
buf4(1,i)=id(1,i)
buf4(2,i)=id(2,i)
buf4(3,i)=id(3,i)
buf4(4,i)=id(4,i)
enddo
endif
nblock=nblock+1
call send_pkt(center_freq)
npkt=npkt+1
if(ifloat.ne.0) then
! Send a second packet if format is floating point
do i=1,87
buf4(1,i)=id(1,i+87)
buf4(2,i)=id(2,i+87)
buf4(3,i)=id(3,i+87)
buf4(4,i)=id(4,i+87)
enddo
dmsec=dmsec+dtmspacket
tmsec=tmsec+dtmspacket
msec2=nint(tmsec)
msec=nint(dmsec)
nblock=nblock+1
call send_pkt(center_freq)
npkt=npkt+1
endif
if(mod(npkt,100).eq.0) then
sec=int(sec_midn())-sec0
nwait=msec-1000*sec
! Pace the data at close to its real-time rate
if(nwait.gt.0 .and. .not.fast) call sleep_msec(nwait)
endif
ns=mod(msec2/1000,60)
if(ns.ne.ns0) write(*,1010) ns,center_freq,0.001*msec2,sec_midn()
1010 format('ns:',i3,' f0:',f10.3,' t1:',f10.3,' t2:',f10.3)
ns0=ns
enddo
if(pause) then
print*,'Type anything to continue:'
read(*,*) cjunk,pause,fast
endif
enddo
#ifdef CVF
close(10)
#else
i=close(fd)
#endif
enddo
999 end program plrs
! To compile: % gfortran -o plrs plrs.f90 plrs_subs.c cutil.c