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a76af36085
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@398 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
76 lines
1.7 KiB
Fortran
76 lines
1.7 KiB
Fortran
!---------------------------------------------------- recvpkt
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subroutine recvpkt(iarg)
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! Receive timf2 packets from Linrad, stuff data into id().
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! This routine runs in a background thread and will never return.
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#ifdef Win32
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use dflib
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#endif
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parameter (NSZ=60*96000)
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real*8 d8(NSZ)
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integer*1 userx_no,iusb
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integer*2 nblock,nblock0
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logical first
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real*8 center_freq,buf8
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common/plrscom/center_freq,msec,fqso,iptr,nblock,userx_no,iusb,buf8(174)
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! 8 4 4 4 2 1 1 1392
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include 'datcom.f90'
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include 'gcom2.f90'
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equivalence (id,d8)
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data nblock0/0/,first/.true./,kb/1/
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save
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! Open a socket to receive multicast data from Linrad
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call setup_rsocket
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nreset=-1
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k=0
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npkt=0
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nsec0=-999
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10 call recv_pkt(center_freq)
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if((nblock-nblock0).ne.1 .and. .not.first) then
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print*,'Lost packets?',nblock-nblock0,nblock,nblock0
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endif
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first=.false.
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nblock0=nblock
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if(monitoring.eq.1) then
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nsec=msec/1000
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if(mod(nsec,60).eq.1) nreset=1
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if(mod(nsec,60).eq.0 .and. nreset.eq.1) then
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! This is the start of a new minute, switch buffers
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nreset=0
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kb=3-kb
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k=0
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if(kb.eq.2) k=NSZ
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endif
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do i=1,174
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k=k+1
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d8(k)=buf8(i)
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enddo
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npkt=npkt+1
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if(nsec.ne.nsec0) then
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mutch=nsec/3600
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mutcm=mod(nsec/60,60)
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mutc=100*mutch + mutcm
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ns=mod(nsec,60)
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! write(*,1010) mutc,ns,0.001*msec,k
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!1010 format('UTC:',i5.4,' ns:',i3,' t:',f10.3,' k:',i8)
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nsec0=nsec
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endif
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if(mod(nsec,60).eq.59) then
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kbuf=kb
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nutc=mutc
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ndecoding=1
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endif
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endif
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go to 10
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end subroutine recvpkt
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