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Use 91 bits for RR73 messages.

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This commit is contained in:
Steve Franke 2019-02-09 16:08:39 -06:00
parent b415faae20
commit 186482811a
1 changed files with 33 additions and 17 deletions
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50
lib/ft4/ft4_decode.f90
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@ -1,5 +1,5 @@
subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso,iwave, & subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso, &
ndecodes,mycall,hiscall,nrx,line,data_dir) iwave,ndecodes,mycall,hiscall,nrx,line,data_dir)
use packjt77 use packjt77
include 'ft4_params.f90' include 'ft4_params.f90'
@ -31,7 +31,7 @@ subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso,iwave,
real candidate(3,100) real candidate(3,100)
real savg(NH1),sbase(NH1) real savg(NH1),sbase(NH1)
integer apbits(58) integer apbits(2*ND)
integer nrxx(100) integer nrxx(100)
integer icos4a(0:3),icos4b(0:3),icos4c(0:3),icos4d(0:3) integer icos4a(0:3),icos4b(0:3),icos4c(0:3),icos4d(0:3)
integer*2 iwave(NMAX) !Generated full-length waveform integer*2 iwave(NMAX) !Generated full-length waveform
@ -44,7 +44,7 @@ subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso,iwave,
integer mcq(29),mcqru(29),mcqfd(29),mcqtest(29) integer mcq(29),mcqru(29),mcqfd(29),mcqtest(29)
integer mrrr(19),m73(19),mrr73(19) integer mrrr(19),m73(19),mrr73(19)
logical unpk77_success logical nohiscall,unpk77_success
logical one(0:255,0:7) ! 256 4-symbol sequences, 8 bits logical one(0:255,0:7) ! 256 4-symbol sequences, 8 bits
logical first logical first
@ -127,15 +127,29 @@ subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso,iwave,
l1=index(hiscall,char(0)) l1=index(hiscall,char(0))
if(l1.ne.0) hiscall(l1:)=" " if(l1.ne.0) hiscall(l1:)=" "
if(mycall.ne.mycall0 .or. hiscall.ne.hiscall0) then if(mycall.ne.mycall0 .or. hiscall.ne.hiscall0) then
call ft8apset(mycall,hiscall,apbits) apbits=0
if(apbits( 1).ne.99) then apbits(1)=99
apbits( 1:29)=(apbits(1:29)+1)/2 apbits(30)=99
apbits( 1:29)=2*mod(apbits( 1:29)+rvec( 1:29),2)-1
endif if(len(trim(mycall)) .lt. 3) go to 10
if(apbits(30).ne.99) then
apbits(30:58)=(apbits(30:58)+1)/2 nohiscall=.false.
apbits(30:58)=2*mod(apbits(30:58)+rvec(30:58),2)-1 hiscall0=hiscall
if(len(trim(hiscall0)).lt.3) then
hiscall0=mycall ! use mycall for dummy hiscall - mycall won't be hashed.
nohiscall=.true.
endif endif
message=trim(mycall)//' '//trim(hiscall0)//' RR73'
call pack77(message,i3,n3,c77)
call unpack77(c77,1,msgsent,unpk77_success)
if(i3.ne.1 .or. (message.ne.msgsent) .or. .not.unpk77_success) go to 10
read(c77,'(77i1)') message77
message77=mod(message77+rvec,2)
call encode174_91(message77,cw)
apbits=2*cw-1
if(nohiscall) apbits(30)=99
10 continue
mycall0=mycall mycall0=mycall
hiscall0=hiscall hiscall0=hiscall
endif endif
@ -381,7 +395,7 @@ subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso,iwave,
apmask=0 apmask=0
if(ncontest.eq.0.or.ncontest.eq.1.or.ncontest.eq.2.or.ncontest.eq.6) then if(ncontest.eq.0.or.ncontest.eq.1.or.ncontest.eq.2.or.ncontest.eq.6) then
apmask(1:58)=1 apmask(1:58)=1
llrd(1:58)=apmag*apbits llrd(1:58)=apmag*apbits(1:58)
else if(ncontest.eq.3) then ! Field Day else if(ncontest.eq.3) then ! Field Day
apmask(1:56)=1 apmask(1:56)=1
llrd(1:28)=apmag*apbits(1:28) llrd(1:28)=apmag*apbits(1:28)
@ -397,11 +411,13 @@ subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso,iwave,
if(iaptype.eq.4 .or. iaptype.eq.5 .or. iaptype.eq.6) then if(iaptype.eq.4 .or. iaptype.eq.5 .or. iaptype.eq.6) then
apmask=0 apmask=0
if(ncontest.le.4 .or. (ncontest.eq.6.and.iaptype.eq.6)) then if(ncontest.le.4 .or. (ncontest.eq.6.and.iaptype.eq.6)) then
apmask(1:77)=1 ! mycall, hiscall, RRR|73|RR73 ! apmask(1:77)=1 ! mycall, hiscall, RRR|73|RR73
llrd(1:58)=apmag*apbits apmask(1:91)=1 ! mycall, hiscall, RRR|73|RR73
llrd(1:58)=apmag*apbits(1:58)
if(iaptype.eq.4) llrd(59:77)=apmag*mrrr if(iaptype.eq.4) llrd(59:77)=apmag*mrrr
if(iaptype.eq.5) llrd(59:77)=apmag*m73 if(iaptype.eq.5) llrd(59:77)=apmag*m73
if(iaptype.eq.6) llrd(59:77)=apmag*mrr73 ! if(iaptype.eq.6) llrd(59:77)=apmag*mrr73
if(iaptype.eq.6) llrd(1:91)=apmag*apbits(1:91)
else if(ncontest.eq.6.and.iaptype.eq.4) then ! Hound listens for MyCall RR73;... else if(ncontest.eq.6.and.iaptype.eq.4) then ! Hound listens for MyCall RR73;...
apmask(1:28)=1 apmask(1:28)=1
llrd(1:28)=apmag*apbits(1:28) llrd(1:28)=apmag*apbits(1:28)
@ -417,7 +433,7 @@ subroutine ft4_decode(cdatetime0,tbuf,nfa,nfb,nQSOProgress,ncontest,nfqso,iwave,
call clockit('bpdecode',1) call clockit('bpdecode',1)
if(sum(message77).eq.0) cycle if(sum(message77).eq.0) cycle
if( nharderror.ge.0 ) then if( nharderror.ge.0 ) then
message77=mod(message77+rvec,2) message77=mod(message77+rvec,2) ! remove rvec scrambling
write(c77,'(77i1)') message77(1:77) write(c77,'(77i1)') message77(1:77)
call unpack77(c77,1,message,unpk77_success) call unpack77(c77,1,message,unpk77_success)
idupe=0 idupe=0