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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/jtms3@2487 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
46 lines
1.2 KiB
Fortran
46 lines
1.2 KiB
Fortran
subroutine genjtms3(msg,msgsent,iwave,nwave)
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character*22 msg,msgsent
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integer*1 chansym(258)
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integer*2 iwave(30*48000)
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integer dgen(13)
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integer*1 data0(13)
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integer*1 datsym(215)
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integer indx0(9) !Indices of duplicated data symbols
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data indx0 /16,38,60,82,104,126,148,170,192/
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call packmsg(msg,dgen) !Pack message into 12 six-bit symbols
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call entail(dgen,data0) !Move from 6-bit to 8-bit symbols, add tail
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ndat=(72+31)*2
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call encode232(data0,ndat,datsym) !Convolutional encoding
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do i=1,9 !Duplicate 9 symbols at end of datsym
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datsym(206+i)=datsym(indx0(i))
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enddo
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call scr258(isync,datsym,1,chansym) !Insert sync and data into chansym(258)
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if(msg(1:1).eq.'@') chansym=0
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twopi=8.0*atan(1.0)
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f0=1500.0
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dphi=twopi*f0/48000.0
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phi=0.
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k=0
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do j=1,258
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do i=1,24
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phi=phi+dphi
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if(phi.gt.twopi) phi=phi-twopi
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n=32767.0*sin(phi)
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if(chansym(j).eq.0) n=-n
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k=k+1
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iwave(k)=n
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enddo
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enddo
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nwave=k
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! call genjtms3a(chansym,258,iwave,nwave)
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msgsent=msg
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return
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end subroutine genjtms3
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