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81 lines
2.1 KiB
FortranFixed
81 lines
2.1 KiB
FortranFixed
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subroutine gencw(msg,wpm,freqcw,samfac,TRPeriod,iwave,nwave)
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parameter (NMAX=150*11025)
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character msg*22,word12*22,word3*22
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integer*2 iwave(NMAX)
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integer TRPeriod
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integer*1 idat(5000),idat1(460),idat2(200),i1
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real*8 dt,t,twopi,pha,dpha,tdit,samfac
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data twopi/6.283185307d0/
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nwords=0
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do i=2,22
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if(msg(i-1:i).eq.' ') go to 10
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if(msg(i:i).eq.' ') then
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nwords=nwords+1
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j=j0
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j0=i+1
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endif
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enddo
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10 ntype=1 !Call1+Call2, CQ+Call
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word12=msg
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if(nwords.eq.3) then
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word3=msg(j:j0-1)
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word12(j-1:)=' '
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ntype=3 !BC+RO, BC+RRR, BC+73
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if(word3.eq.'OOO') ntype=2 !BC+OOO
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endif
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tdit=1.2d0/wpm !Key-down dit time, seconds
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call morse(word12,idat1,nmax1) !Encode part 1 of msg
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t1=tdit*nmax1 !Time for part1, once
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nrpt1=TRPeriod/t1 !Repetitions of part 1
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if(ntype.eq.2) nrpt1=0.75*TRPeriod/t1
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if(ntype.eq.3) nrpt1=1
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t1=nrpt1*t1 !Total time for part 1
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nrpt2=0
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t2=0.
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if(ntype.ge.2) then
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call morse(word3,idat2,nmax2) !Encode part 2
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t2=tdit*nmax2 !Time for part 2, once
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nrpt2=(TRPeriod-t1)/t2 !Repetitions of part 2
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t2=nrpt2*t2 !Total time for part 2
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endif
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j=0
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do n=1,nrpt1
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do i=1,nmax1
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j=j+1
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idat(j)=idat1(i)
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enddo
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enddo
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do n=1,nrpt2
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do i=1,nmax2
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j=j+1
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idat(j)=idat2(i)
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enddo
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enddo
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dt=1.d0/(11025.d0*samfac)
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nwave=j*tdit/dt
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pha=0.
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dpha=twopi*freqcw*dt
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t=0.
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s=0.
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u=wpm/(11025*0.03)
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do i=1,nwave
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t=t+dt
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pha=pha+dpha
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j=t/tdit + 1
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! iwave(i)=0
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! if(idat(j).ne.0) iwave(i)=nint(32767.d0*sin(pha))
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s=s + u*(idat(j)-s)
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iwave(i)=nint(s*32767.d0*sin(pha))
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enddo
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return
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end
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include 'gencwid.f'
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