mirror of https://github.com/saitohirga/WSJT-X.git
116 lines
2.8 KiB
Fortran
116 lines
2.8 KiB
Fortran
program plrs
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! Pseudo-Linrad "Send" program. Reads recorded Linrad data from "*.tf2"
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! files, and multicasts it as Linrad would do for timf2 data.
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integer RMODE
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parameter(RMODE=0)
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parameter (NBPP=1392)
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parameter (NZ=60*96000)
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parameter (NBYTES=8*NZ)
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parameter (NPPR=NBYTES/NBPP)
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integer*1 userx_no,iusb
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integer*2 nblock
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real*8 d(NZ),buf8
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integer fd
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integer open,read,close
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integer nm(11)
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character*8 fname,arg,cjunk*1
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logical fast,pause
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real*8 center_freq,dmsec,dtmspacket,tmsec
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common/plrscom/center_freq,msec2,fsample,iptr,nblock,userx_no,iusb,buf8(174)
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data nm/45,46,48,50,52,54,55,56,57,58,59/
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data nblock/0/,fast/.false./,pause/.false./
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nargs=iargc()
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if(nargs.ne.4) then
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print*,'Usage: plrs <fast|pause|slow> <minutes> <iters> <iwait>'
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go to 999
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endif
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call getarg(1,arg)
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if(arg(1:1).eq.'f' .or. arg(1:1).eq.'p') fast=.true.
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if(arg(1:1).eq.'p') pause=.true.
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call getarg(2,arg)
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read(arg,*) nfiles
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call getarg(3,arg)
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read(arg,*) iters
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call getarg(4,arg)
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read(arg,*) iwait
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if(iwait.ne.0) then
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1 if(mod(int(sec_midn()),60).eq.0) go to 2
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call sleep_msec(100)
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go to 1
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endif
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2 fname="all.tf2"//char(0)
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userx_no=0
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iusb=1
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center_freq=144.125d0
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dtmspacket=1000.d0*NBPP/(8.d0*96000.d0)
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fsample=96000.0
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npkt=0
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call setup_ssocket !Open a socket for multicasting
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do iter=1,iters
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#ifdef CVF
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open(10,file=fname,form='binary',status='old')
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#else
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fd=open(fname,RMODE) !Open file for reading
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#endif
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dmsec=-dtmspacket
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nsec0=sec_midn()
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do ifile=1,nfiles
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ns0=0
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tmsec=1000*(3600*7 + 60*nm(ifile))-dtmspacket
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k=0
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do ipacket=1,NPPR
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dmsec=dmsec+dtmspacket
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tmsec=tmsec+dtmspacket
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msec2=nint(tmsec)
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msec=nint(dmsec)
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#ifdef CVF
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read(10) buf8
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#else
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nr=read(fd,buf8,NBPP)
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if(nr.ne.NBPP) then
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print*,'Error reading file all.tf2'
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go to 999
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endif
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#endif
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nblock=nblock+1
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call send_pkt(center_freq)
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npkt=npkt+1
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if(mod(npkt,100).eq.0) then
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nsec=int(sec_midn())-nsec0
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nwait=msec-1000*nsec
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! Pace the data at close to its real-time rate
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if(nwait.gt.0 .and. .not.fast) call sleep_msec(nwait)
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endif
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ns=mod(msec2/1000,60)
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if(ns.ne.ns0) write(*,1010) ns,center_freq,0.001*msec2,sec_midn()
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1010 format('ns:',i3,' f0:',f10.3,' t1:',f10.3,' t2:',f10.3)
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ns0=ns
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enddo
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if(pause) then
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print*,'Type anything to continue:'
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read(*,*) cjunk,pause,fast
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endif
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enddo
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#ifdef CVF
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close(10)
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#else
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i=close(fd)
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#endif
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enddo
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999 end program plrs
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! To compile: % gfortran -o plrs plrs.f90 plrs_subs.c cutil.c
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