Trying to make fano decoder work in genjt9...

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2606 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2012-09-28 20:00:05 +00:00
parent 81fb6dd77d
commit 971a2c80ee
2 changed files with 44 additions and 11 deletions

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@ -6,6 +6,8 @@ subroutine genjt9(message,minutes,msgsent,d6)
character*22 message !Message to be generated character*22 message !Message to be generated
character*22 msgsent !Message as it will be received character*22 msgsent !Message as it will be received
integer*4 mettab(0:255,0:1)
integer*4 d0(13) !72-bit message as 6-bit words integer*4 d0(13) !72-bit message as 6-bit words
integer*1 d1(13) !72 bits and zero tail as 8-bit bytes integer*1 d1(13) !72 bits and zero tail as 8-bit bytes
integer*1 d2(206) !Encoded information-carrying bits integer*1 d2(206) !Encoded information-carrying bits
@ -21,6 +23,7 @@ subroutine genjt9(message,minutes,msgsent,d6)
integer*4 t4(69) !Symbols from d3, values 0-7 integer*4 t4(69) !Symbols from d3, values 0-7
integer*4 t5(69) !Gray-coded symbols, values 0-7 integer*4 t5(69) !Gray-coded symbols, values 0-7
integer*4 t6(85) !Channel symbols including sync, values 0-8 integer*4 t6(85) !Channel symbols including sync, values 0-8
integer*1 tmp(72)
integer isync(85) integer isync(85)
data isync/ & data isync/ &
@ -52,18 +55,48 @@ subroutine genjt9(message,minutes,msgsent,d6)
endif endif
enddo enddo
! t6=d6 if(j.ne.999) return
! j=0
! do i=1,85
! if(isync(i).eq.1) cycle
! j=j+1
! t5(j)=t6(i)-1
! enddo
! call graycode(t5,69,-1,t4) t6=d6
! call unpackbits(t4,nsym2,3,t3) j=0
! call interleave9(t3,-1,t2) do i=1,85
if(isync(i).eq.1) cycle
j=j+1
t5(j)=t6(i)-1
enddo
call graycode(t5,69,-1,t4)
call unpackbits(t4,nsym2,3,t3)
call interleave9(t3,-1,t2)
! print*,'A',d2-t2 ! print*,'A',d2-t2
! Get the metric table
bias=0.37
scale=10 !Optimize?
open(19,file='met8.21',status='old')
do i=0,255
read(19,*) xjunk,x0,x1
mettab(i,0)=nint(scale*(x0-bias))
mettab(i,1)=nint(scale*(x1-bias)) !### Check range, etc. ###
enddo
print*,'b'
ndelta=17
ntimeout=0
limit=1000
call fano232(t2,72+31,mettab,ndelta,limit,t1,ncycles,metric,ierr)
print*,t1
! if(ncycles/(72+31).ge.limit) ntimeout=1
! nbytes=(nbits+7)/8
! do i=1,nbytes
! n=t1(i)
! t4(i)=iand(n,255)
! enddo
! call unpackbits(t1,9,8,tmp)
! call packbits(tmp,12,6,t0)
! print*,'z',t0
return return
end subroutine genjt9 end subroutine genjt9

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@ -1,4 +1,4 @@
//---------------------------------------------------------------- MainWindow //--------------------------------------------------------------- MainWindow
#include "mainwindow.h" #include "mainwindow.h"
#include "ui_mainwindow.h" #include "ui_mainwindow.h"
#include "devsetup.h" #include "devsetup.h"