program m65
! Decoder for map65. Can run stand-alone, reading data from *.tf2 files;
! or as the back end of map65, with data placed in a shared memory region.
! Fortran logical units
!
! 10 binary input data, *.tf2 files
! 11 prefixes.txt
! 12 wb_w65.txt
! 13 map65.log
! 14
! 15
! 16 tquick log
! 17 saved *.tf2 files
! 18 test file to be transmitted (wsjtgen.f90)
! 19 livecq.txt
! 20
! 21 map65_rx.log
! 22
! 23 CALL3.TXT
! 24
! 25
! 26 tmp26.txt
use timer_module, only: timer
use timer_impl, only: init_timer, fini_timer
include 'njunk.f90'
parameter (NFFT=32768)
parameter (NSMAX=60*96000)
parameter (NREAD=2048)
integer*2 i2(NREAD)
real*8 hsym
real*4 ssz5a(NFFT)
logical*1 lstrong(0:1023),ldecoded,eof
real*8 fc0,fcenter
character*80 arg,infile
character mycall*12,hiscall*12,mygrid*6,hisgrid*6,datetime*20
common/datcom/dd(4,5760000),ss(4,322,NFFT),savg(4,NFFT),fc0,nutc0,junk(NJUNK)
common/npar/fcenter,nutc,idphi,mousedf,mousefqso,nagain, &
ndepth,ndiskdat,neme,newdat,nfa,nfb,nfcal,nfshift, &
mcall3,nkeep,ntol,nxant,nrxlog,nfsample,nxpol,nmode, &
ndop00,nsave,max_drift,nhsym,mycall,mygrid,hiscall,hisgrid,datetime
common/early/nhsym1,nhsym2,ldecoded(32768)
nargs=iargc()
if(nargs.ne.1 .and. nargs.lt.5) then
print*,'Usage: m65 Jsub Qsub Xpol <95238|96000> file1 [file2 ...]'
print*,'Examples: m65 B A X 96000 *.tf2'
print*,' m65 C C N 96000 *.iq'
print*,''
print*,' m65 -s'
print*,' (Gets data from MAP65, via shared memory region.)'
go to 999
endif
nstandalone=1
nhsym1=280
nhsym2=302
call getarg(1,arg)
if(arg(1:2).eq.'-s') then
call m65a
go to 999
endif
n=1
if(arg(1:1).eq.'0') n=0
if(arg(1:1).eq.'A') n=1
if(arg(1:1).eq.'B') n=2
if(arg(1:1).eq.'C') n=3
call getarg(2,arg)
m=1
if(arg(1:1).eq.'0') m=0
if(arg(1:1).eq.'A') m=1
if(arg(1:1).eq.'B') m=2
if(arg(1:1).eq.'C') m=3
if(arg(1:1).eq.'D') m=4
if(arg(1:1).eq.'E') m=5
nmode=10*m + n
call getarg(3,arg)
nxpol=0
if(arg(1:1).eq.'X') nxpol=1
call getarg(4,arg)
nfsample=96000
if(arg.eq.'95238') nfsample=95238
ifile1=5
! Some default parameters for command-line execution, in early testing.
mycall='K1JT'
mygrid='FN20QI'
hiscall='K9AN'
hisgrid='EN50'
nfa=100 !144.100
nfb=162 !144.162
ntol=100
nkeep=10 !???
mousefqso=140 !For IK4WLV in 210220_1814.tf2
mousedf=0
nfcal=0
nkhz_center=125
if(nxpol.eq.0) then
nfa=55 !For KA1GT files
nfb=143
mousefqso=69 !W2HRO signal
nkhz_center=100
endif
call ftninit('.')
call init_timer('timer.out')
call timer('m65 ',0)
do ifile=ifile1,nargs
call getarg(ifile,infile)
open(10,file=infile,access='stream',status='old',err=998)
i1=index(infile,'.tf2')
if(i1.lt.1) i1=index(infile,'.iq')
read(infile(i1-4:i1-1),*,err=1) nutc0
go to 2
1 nutc0=0
2 hsym=2048.d0*96000.d0/11025.d0 !Samples per half symbol
read(10) fcenter
newdat=1
nhsym0=-999
k=0
nch=2
if(nxpol.eq.1) nch=4
eof=.false.
do irec=1,9999999
if(.not.eof) read(10,end=4) i2
go to 6
4 eof=.true.
6 if(eof) i2=0
do i=1,NREAD,nch
k=k+1
if(k.gt.60*96000) exit
dd(1,k)=i2(i)
dd(2,k)=i2(i+1)
if(nxpol.eq.1) then
dd(3,k)=i2(i+2)
dd(4,k)=i2(i+3)
endif
enddo
nhsym=(k-2048)/hsym
if(nhsym.ge.1 .and. nhsym.ne.nhsym0) then
ndiskdat=1
nb=0
! Emit signal readyForFFT
fgreen=-13.0
iqadjust=0
iqapply=0
nbslider=100
gainx=0.9962
gainy=1.0265
phasex=0.01426
phasey=-0.01195
call timer('symspec ',0)
call symspec(k,nxpol,ndiskdat,nb,nbslider,idphi,nfsample, &
fgreen,iqadjust,iqapply,gainx,gainy,phasex,phasey,rejectx, &
rejecty,pxdb,pydb,ssz5a,nkhz,ihsym,nzap,slimit,lstrong)
call timer('symspec ',1)
nhsym0=nhsym
nutc=nutc0
if(nhsym.eq.nhsym1) call decode0(dd,ss,savg,nstandalone)
if(nhsym.eq.nhsym2) then
call decode0(dd,ss,savg,nstandalone)
exit
endif
endif
enddo ! irec
if(iqadjust.ne.0) write(*,3002) rejectx,rejecty
3002 format('Image rejection:',2f7.1,' dB')
enddo ! ifile
call timer('m65 ',1)
call timer('m65 ',101)
go to 999
998 print*,'Cannot open file:'
print*,infile
999 call fini_timer()
if(arg(1:2).eq.'-s') then
write(21,1999) datetime(:17)
1999 format('Subprocess m65 terminated normally at UTC ',a17)
close(21)
endif
end program m65