mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-11-03 13:30:52 -05:00
Hound can now decode Fox messages with i3bit=1.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8297 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
075307da68
commit
385c83658e
@ -438,6 +438,7 @@ set (wsjt_FSRCS
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lib/foldspec9f.f90
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lib/four2a.f90
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lib/ft8/foxgen.f90
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lib/ft8/foxgen_wrap.f90
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lib/fqso_first.f90
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lib/freqcal.f90
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lib/fsk4hf/fsk4hf.f90
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@ -435,13 +435,13 @@ contains
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integer, intent(in) :: snr
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real, intent(in) :: dt
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real, intent(in) :: freq
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character(len=22), intent(in) :: decoded
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character(len=32), intent(in) :: decoded
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character c1*12,c2*6,g2*4,w*4
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integer i1,i2,i3,n15,nwrap
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integer i0,i1,i2,i3,n15,nwrap
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integer, intent(in) :: nap
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real, intent(in) :: qual
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character*2 annot
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character*22 decoded0
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character*32 decoded0
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logical isgrid4,first
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data first/.true./
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save
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@ -463,16 +463,21 @@ contains
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first=.false.
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endif
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decoded0=decoded
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decoded0=decoded
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annot=' '
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if(nap.ne.0) then
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write(annot,'(a1,i1)') 'a',nap
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if(qual.lt.0.17) decoded0(22:22)='?'
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write(annot,'(a1,i1)') 'a',nap
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if(qual.lt.0.17) decoded0(22:22)='?'
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endif
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write(*,1000) params%nutc,snr,dt,nint(freq),decoded0,annot
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i0=index(decoded0,';')
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if(i0.le.0) write(*,1000) params%nutc,snr,dt,nint(freq),decoded0(1:22),annot
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1000 format(i6.6,i4,f5.1,i5,' ~ ',1x,a22,1x,a2)
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if(i0.gt.0) write(*,1001) params%nutc,snr,dt,nint(freq),decoded0
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1001 format(i6.6,i4,f5.1,i5,' ~ ',1x,a32)
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write(13,1002) params%nutc,nint(sync),snr,dt,freq,0,decoded0
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1002 format(i6.6,i4,i5,f6.1,f8.0,i4,3x,a22,' FT8')
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1002 format(i6.6,i4,i5,f6.1,f8.0,i4,3x,a32,' FT8')
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i1=index(decoded0,' ')
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i2=i1 + index(decoded0(i1+1:),' ')
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@ -23,7 +23,7 @@ subroutine extractmessage174(decoded,msgreceived,ncrcflag,recent_calls,nrecent)
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i1Dec8BitBytes(11)=0
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icrc12=crc12(c_loc(i1Dec8BitBytes),11) !CRC12 computed from 75 msg bits
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if(ncrc12.eq.icrc12) then
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if(ncrc12.eq.icrc12 .or. sum(decoded(57:87)).eq.0) then !### Kludge ###
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! CRC12 checks out --- unpack 72-bit message
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do ibyte=1,12
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itmp=0
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@ -1,5 +1,19 @@
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subroutine foxgen()
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! Called from MainWindow::foxTxSequencer() to generate the Tx waveform in
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! FT8 Fox mode. The Tx message can contain up to 5 "slots", each carrying
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! its own FT8 signal.
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! Encoded messages can be of the form "HoundCall FoxCall rpt" (a standard FT8
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! message with i3bit=0) or "HoundCall_1 RR73; HoundCall_2 <FoxCall> rpt",
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! a new message type with i3bit=1. The waveform is generated with
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! fsample=48000 Hz; it is compressed to reduce the PEP-to-average power ratio,
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! with (currently disabled) filtering afterware to reduce spectral growth.
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! Input message information is provided in character array cmsg(5), in
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! common/foxcom/. The generated wave(NWAVE) is passed back in the same
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! common block.
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use crc
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parameter (NN=79,ND=58,KK=87,NSPS=4*1920)
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parameter (NWAVE=NN*NSPS,NFFT=614400,NH=NFFT/2)
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@ -11,13 +25,14 @@ subroutine foxgen()
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logical bcontest,checksumok
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integer itone(NN)
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integer icos7(0:6)
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integer*1 msgbits(KK),codeword(3*ND)
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integer*1 msgbits(KK),codeword(3*ND),msgbits2
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integer*1, target:: i1Msg8BitBytes(11)
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integer*1, target:: mycall
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real x(NFFT),y(NFFT)
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real*8 dt,twopi,f0,fstep,dfreq,phi,dphi
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complex cx(0:NH),cy(0:NH)
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common/foxcom/wave(NWAVE),nslots,i3bit(5),cmsg(5),mycall(6)
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common/foxcom2/itone2(NN),msgbits2(KK)
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equivalence (x,cx),(y,cy)
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data icos7/2,5,6,0,4,1,3/ !Costas 7x7 tone pattern
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@ -28,37 +43,27 @@ subroutine foxgen()
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twopi=8.d0*atan(1.d0)
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wave=0.
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mygrid=' '
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nrpt=0
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irpt=0
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do n=1,nslots
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!###
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! if(n.eq.1) then
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! cmsg(n)='W0AAA W3DDD'
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! i3bit(n)=0
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! endif
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! if(n.eq.2) then
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! cmsg(n)='W0AAA RR73; W3DDD <K1JT> -12'
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! i3bit(n)=1
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! endif
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!###
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i3b=i3bit(n)
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if(i3b.eq.0) then
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msg=cmsg(n)(1:22)
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msg=cmsg(n)(1:22) !Stansard FT8 message
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else
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i1=index(cmsg(n),' ')
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i1=index(cmsg(n),' ') !Special Fox message
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i2=index(cmsg(n),';')
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i3=index(cmsg(n),'<')
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i4=index(cmsg(n),'>')
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msg=cmsg(n)(1:i1)//cmsg(n)(i2+1:i3-2)//' '
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read(cmsg(n)(i4+2:i4+4),*) nrpt
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read(cmsg(n)(i4+2:i4+4),*) irpt
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endif
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call genft8(msg,mygrid,bcontest,0,msgsent,msgbits,itone)
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if(i3b.eq.1) then
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icrc10=crc10(c_loc(mycall),6)
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ng16=64*icrc10 + nrpt+30
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write(cbits,1001) msgbits(1:56),ng16,i3b,0
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1001 format(56b1.1,b16.16,b3.3,b12.12)
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icrc10=crc10(c_loc(mycall),6)
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nrpt=irpt+30
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write(cbits,1001) msgbits(1:56),icrc10,nrpt,i3b,0
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1001 format(56b1.1,b10.10,b6.6,b3.3,b12.12)
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read(cbits,1002) msgbits
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1002 format(87i1)
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@ -67,7 +72,8 @@ subroutine foxgen()
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1003 format(11b8)
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icrc12=crc12(c_loc(i1Msg8BitBytes),11)
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write(cbits,1001) msgbits(1:56),ng16,i3b,icrc12
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print*,'BB',icrc10,nrpt,i3b,icrc12
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write(cbits,1001) msgbits(1:56),icrc10,nrpt,i3b,icrc12
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read(cbits,1002) msgbits
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call encode174(msgbits,codeword) !Encode the test message
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@ -84,15 +90,11 @@ subroutine foxgen()
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itone(k)=codeword(i)*4 + codeword(i+1)*2 + codeword(i+2)
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enddo
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endif
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!###
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! call chkcrc12a(msgbits,nbadcrc)
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! i3bb=4*msgbits(73) + 2*msgbits(74) + msgbits(75)
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! iFreeText=msgbits(57)
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! write(*,3001) i3b,i3bb,icrc10,icrc12,nbadcrc,msgsent
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!3001 format(5i6,2x,a22)
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!###
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! Make copies of itone() and msgbits() for ft8sim
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itone2=itone
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msgbits2=msgbits
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f0=1500.d0 + fstep*(n-1)
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phi=0.d0
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k=0
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@ -1,13 +1,17 @@
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subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
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napwid,lsubtract,nagain,iaptype,mygrid6,bcontest,sync0,f1,xdt,xbase, &
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apsym,nharderrors,dmin,nbadcrc,ipass,iera,message,xsnr)
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subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
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napwid,lsubtract,nagain,iaptype,mycall12,mygrid6,bcontest,sync0,f1,xdt,xbase, &
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apsym,nharderrors,dmin,nbadcrc,ipass,iera,msg32,xsnr)
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use crc
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use timer_module, only: timer
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include 'ft8_params.f90'
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parameter(NRECENT=10,NP2=2812)
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character*32 msg32
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character message*22,msgsent*22
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character*12 recent_calls(NRECENT)
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character*6 mygrid6
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character*12 mycall12,recent_calls(NRECENT)
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character*6, target:: mycall6
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character*6 mygrid6,c1,c2
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character*87 cbits
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logical bcontest
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real a(5)
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real s1(0:7,ND),s2(0:7,NN),s1sort(8*ND)
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@ -15,7 +19,7 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
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real bmeta(3*ND),bmetb(3*ND),bmetap(3*ND)
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real llr(3*ND),llra(3*ND),llr0(3*ND),llr1(3*ND),llrap(3*ND) !Soft symbols
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real dd0(15*12000)
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integer*1 decoded(KK),apmask(3*ND),cw(3*ND)
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integer*1 decoded(KK),decoded0(KK),apmask(3*ND),cw(3*ND)
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integer*1 msgbits(KK)
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integer apsym(KK)
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integer mcq(28),mde(28),mrrr(16),m73(16),mrr73(16)
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@ -359,7 +363,6 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
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message=' '
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xsnr=-99.0
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if(count(cw.eq.0).eq.174) cycle !Reject the all-zero codeword
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!### if(any(decoded(73:75).ne.0)) cycle !Reject if any of the 3 extra bits is nonzero
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if(nharderrors.ge.0 .and. nharderrors+dmin.lt.60.0 .and. &
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.not.(sync.lt.2.0 .and. nharderrors.gt.35) .and. &
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.not.(ipass.gt.2 .and. nharderrors.gt.39) .and. &
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@ -370,17 +373,15 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
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nharderrors=-1
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cycle
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endif
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!###
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i3bit=4*decoded(73) + 2*decoded(74) + decoded(75)
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iFreeText=decoded(57)
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! if(nbadcrc.eq.0) write(*,3001) nharderrors,nbadcrc,i3bit
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!3001 format('A',3i5)
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!###
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if(nbadcrc.eq.0) then
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decoded0=decoded
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if(i3bit.eq.1) decoded(57:)=0
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call extractmessage174(decoded,message,ncrcflag,recent_calls,nrecent)
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decoded=decoded0
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! This needs fixing for messages with i3bit=1:
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call genft8(message,mygrid6,bcontest,i3bit,msgsent,msgbits,itone)
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if(i3bit.eq.1 .and. iFreeText.eq.0) message(21:21)='1'
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if(i3bit.eq.2 .and. iFreeText.eq.0) message(21:21)='2'
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if(lsubtract) call subtractft8(dd0,itone,f1,xdt2)
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xsig=0.0
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xnoi=0.0
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@ -393,14 +394,41 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
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if(xnoi.gt.0 .and. xnoi.lt.xsig) xsnr=xsig/xnoi-1.0
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xsnr=10.0*log10(xsnr)-27.0
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xsnr2=db(xsig/xbase - 1.0) - 32.0
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! write(52,3052) f1,xdt,xsig,xnoi,xbase,xsnr,xsnr2
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!3052 format(7f10.2)
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if(.not.nagain) xsnr=xsnr2
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if(xsnr .lt. -24.0) xsnr=-24.0
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if(i3bit.eq.1) then
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mycall6=mycall12(1:6)
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icrc10=crc10(c_loc(mycall6),6)
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write(cbits,1001) decoded
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1001 format(87i1)
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read(cbits,1002) ncrc10,nrpt
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1002 format(56x,b10,b6)
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irpt=nrpt-30
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i1=index(message,' ')
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i2=index(message(i1+1:),' ') + i1
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c1=message(1:i1)//' '
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c2=message(i1+1:i2)//' '
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msg32=c1//' RR73; '//c2//' <'//trim(mycall6)//'> '
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write(msg32(30:32),1010) irpt
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1010 format(i3.2)
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if(msg32(30:30).ne.'-') msg32(30:30)='+'
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iz=len(trim(msg32))
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do iter=1,5 !Collapse multiple blanks into one
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ib2=index(msg32(1:iz),' ')
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if(ib2.lt.1) exit
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msg32=msg32(1:ib2)//msg32(ib2+2:)
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iz=iz-1
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enddo
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else
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msg32=message//' '
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endif
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return
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endif
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enddo
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return
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end subroutine ft8b
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@ -7,7 +7,7 @@ program ft8sim
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include 'ft8_params.f90' !Set various constants
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type(hdr) h !Header for .wav file
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character arg*12,fname*17,sorm*1
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character msg*22,msgsent*22,msg0*22
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character msg32*32,msg*22,msgsent*22,msg0*22
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character*6 mygrid6
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logical bcontest
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complex c0(0:NMAX-1)
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@ -27,7 +27,7 @@ program ft8sim
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print*,'Make nfiles negative to invoke 72-bit contest mode.'
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go to 999
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endif
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call getarg(1,msg) !Message to be transmitted
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call getarg(1,msg32) !Message to be transmitted
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call getarg(2,sorm) !s for single signal, m for multiple sigs
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if(sorm.eq."s") then
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print*,"Generating single signal at 1500 Hz."
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@ -68,13 +68,21 @@ program ft8sim
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sig=sqrt(2*bandwidth_ratio) * 10.0**(0.05*snrdb)
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if(snrdb.gt.90.0) sig=1.0
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txt=NN*NSPS/12000.0
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i3bit=0 ! ### TEMPORARY ??? ###
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! Source-encode, then get itone()
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call genft8(msg,mygrid6,bcontest,i3bit,msgsent,msgbits,itone)
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write(*,1000) f0,xdt,txt,snrdb,bw,msgsent
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if(index(msg32,';').lt.0) then
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i3bit=0
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msg=msg32(1:22)
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call genft8(msg,mygrid6,bcontest,i3bit,msgsent,msgbits,itone)
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write(*,1000) f0,xdt,txt,snrdb,bw,msgsent
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1000 format('f0:',f9.3,' DT:',f6.2,' TxT:',f6.1,' SNR:',f6.1, &
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' BW:',f4.1,2x,a22)
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else
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call foxgen_wrap(msg32,msgbits,itone)
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write(*,1001) f0,xdt,txt,snrdb,bw,msg32
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1001 format('f0:',f9.3,' DT:',f6.2,' TxT:',f6.1,' SNR:',f6.1, &
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' BW:',f4.1,2x,a32)
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endif
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write(*,'(28i1,1x,28i1)') msgbits(1:56)
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write(*,'(16i1)') msgbits(57:72)
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@ -146,3 +154,5 @@ program ft8sim
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enddo
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999 end program ft8sim
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@ -24,7 +24,7 @@ module ft8_decode
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integer, intent(in) :: snr
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real, intent(in) :: dt
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real, intent(in) :: freq
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character(len=22), intent(in) :: decoded
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character(len=32), intent(in) :: decoded
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integer, intent(in) :: nap
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real, intent(in) :: qual
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end subroutine ft8_decode_callback
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@ -52,7 +52,7 @@ contains
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character*6 mygrid6,hisgrid6
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integer*2 iwave(15*12000)
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integer apsym(KK)
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character datetime*13,message*22
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character datetime*13,message*22,msg32*32
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character*22 allmessages(100)
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integer allsnrs(100)
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save s,dd
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@ -105,9 +105,10 @@ contains
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xbase=10.0**(0.1*(sbase(nint(f1/3.125))-40.0))
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nsnr0=min(99,nint(10.0*log10(sync) - 25.5)) !### empirical ###
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call timer('ft8b ',0)
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call ft8b(dd,newdat,nQSOProgress,nfqso,nftx,ndepth,lft8apon,lapcqonly, &
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napwid,lsubtract,nagain,iaptype,mygrid6,bcontest,sync,f1,xdt, &
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xbase,apsym,nharderrors,dmin,nbadcrc,iappass,iera,message,xsnr)
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call ft8b(dd,newdat,nQSOProgress,nfqso,nftx,ndepth,lft8apon,lapcqonly, &
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napwid,lsubtract,nagain,iaptype,mycall12,mygrid6,bcontest,sync,f1,xdt, &
|
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xbase,apsym,nharderrors,dmin,nbadcrc,iappass,iera,msg32,xsnr)
|
||||
message=msg32(1:22) !###
|
||||
nsnr=nint(xsnr)
|
||||
xdt=xdt-0.5
|
||||
hd=nharderrors+dmin
|
||||
@ -132,7 +133,7 @@ contains
|
||||
! flush(81)
|
||||
if(.not.ldupe .and. associated(this%callback)) then
|
||||
qual=1.0-(nharderrors+dmin)/60.0 ! scale qual to [0.0,1.0]
|
||||
call this%callback(sync,nsnr,xdt,f1,message,iaptype,qual)
|
||||
call this%callback(sync,nsnr,xdt,f1,msg32,iaptype,qual)
|
||||
endif
|
||||
endif
|
||||
enddo
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user