mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-01 16:13:57 -04:00
f8d0eb66a8
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6181 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
259 lines
8.8 KiB
Fortran
259 lines
8.8 KiB
Fortran
program jt9
|
|
|
|
! Decoder for JT9. Can run stand-alone, reading data from *.wav files;
|
|
! or as the back end of wsjt-x, with data placed in a shared memory region.
|
|
|
|
use options
|
|
use prog_args
|
|
use, intrinsic :: iso_c_binding
|
|
use FFTW3
|
|
|
|
include 'constants.f90'
|
|
integer(C_INT) iret
|
|
integer*4 ihdr(11)
|
|
real*4 s(NSMAX)
|
|
integer*2 id2
|
|
character c
|
|
character(len=500) optarg, infile
|
|
character wisfile*80
|
|
integer :: arglen,stat,offset,remain,mode=0,flow=200,fsplit=2700, &
|
|
fhigh=4000,nrxfreq=1500,ntrperiod=1,ndepth=60001
|
|
logical :: shmem = .false., read_files = .false., have_args = .false., &
|
|
tx9 = .false., display_help = .false.
|
|
type (option) :: long_options(17) = [ &
|
|
option ('help', .false., 'h', 'Display this help message', ''), &
|
|
option ('shmem',.true.,'s','Use shared memory for sample data','<key>'), &
|
|
option ('tr-period', .true., 'p', 'Tx/Rx period, default=1', '<minutes>'), &
|
|
option ('executable-path', .true., 'e', &
|
|
'Location of subordinate executables (KVASD) default="."', '<path>'), &
|
|
option ('data-path', .true., 'a', &
|
|
'Location of writeable data files, default="."', '<path>'), &
|
|
option ('temp-path', .true., 't', 'Temporary files path, default="."', &
|
|
'<path>'), &
|
|
option ('lowest', .true., 'L', &
|
|
'Lowest frequency decoded (JT65), default=200Hz', '<hertz>'), &
|
|
option ('highest', .true., 'H', &
|
|
'Highest frequency decoded, default=4007Hz', '<hertz>'), &
|
|
option ('split', .true., 'S', &
|
|
'Lowest JT9 frequency decoded, default=2700Hz', '<hertz>'), &
|
|
option ('rx-frequency', .true., 'f', &
|
|
'Receive frequency offset, default=1500', '<hertz>'), &
|
|
option ('patience', .true., 'w', &
|
|
'FFTW3 planing patience (0-4), default=1', '<patience>'), &
|
|
option ('fft-threads', .true., 'm', &
|
|
'Number of threads to process large FFTs, default=1', '<number>'), &
|
|
option ('jt65', .false., '6', 'JT65 mode', ''), &
|
|
option ('jt9', .false., '9', 'JT9 mode', ''), &
|
|
option ('jt4', .false., '4', 'JT4 mode', ''), &
|
|
option ('depth', .true., 'd', 'JT9 decoding depth (1-3), default=1', &
|
|
'<number>'), &
|
|
option ('tx-jt9', .false., 'T', 'Tx mode is JT9, default=JT65', '') ]
|
|
|
|
character datetime*20,mycall*12,mygrid*6,hiscall*12,hisgrid*6
|
|
common/jt9com/ss(184,NSMAX),savg(NSMAX),id2(NMAX),nutc,ndiskdat, &
|
|
ntr,mousefqso,newdat,npts8a,nfa,nfsplit,nfb,ntol,kin,nzhsym, &
|
|
nsubmode,nagain,ndepth,ntxmode,nmode,minw,nclearave,minsync, &
|
|
emedelay,dttol,nlist,listutc(10),n2pass,nranera,naggressive, &
|
|
nrobust,nexp_decode,nspare(9),datetime,mycall,mygrid,hiscall,hisgrid
|
|
|
|
common/tracer/limtrace,lu
|
|
common/patience/npatience,nthreads
|
|
common/decstats/ntry65a,ntry65b,n65a,n65b,num9,numfano
|
|
data npatience/1/,nthreads/1/
|
|
|
|
do
|
|
call getopt('hs:e:a:r:m:p:d:f:w:t:964TL:S:H:',long_options,c, &
|
|
optarg,arglen,stat,offset,remain)
|
|
if (stat .ne. 0) then
|
|
exit
|
|
end if
|
|
have_args = .true.
|
|
select case (c)
|
|
case ('h')
|
|
display_help = .true.
|
|
case ('s')
|
|
shmem = .true.
|
|
shm_key = optarg(:arglen)
|
|
case ('e')
|
|
exe_dir = optarg(:arglen)
|
|
case ('a')
|
|
data_dir = optarg(:arglen)
|
|
case ('t')
|
|
temp_dir = optarg(:arglen)
|
|
case ('m')
|
|
read (optarg(:arglen), *) nthreads
|
|
case ('p')
|
|
read_files = .true.
|
|
read (optarg(:arglen), *) ntrperiod
|
|
case ('d')
|
|
read_files = .true.
|
|
read (optarg(:arglen), *) ndepth
|
|
case ('f')
|
|
read_files = .true.
|
|
read (optarg(:arglen), *) nrxfreq
|
|
case ('L')
|
|
read_files = .true.
|
|
read (optarg(:arglen), *) flow
|
|
case ('S')
|
|
read_files = .true.
|
|
read (optarg(:arglen), *) fsplit
|
|
case ('H')
|
|
read_files = .true.
|
|
read (optarg(:arglen), *) fhigh
|
|
case ('4')
|
|
read_files = .true.
|
|
mode = 4
|
|
case ('6')
|
|
read_files = .true.
|
|
if (mode.lt.65) mode = mode + 65
|
|
case ('9')
|
|
read_files = .true.
|
|
if (mode.lt.9.or.mode.eq.65) mode = mode + 9
|
|
case ('T')
|
|
read_files = .true.
|
|
tx9 = .true.
|
|
case ('w')
|
|
read (optarg(:arglen), *) npatience
|
|
end select
|
|
end do
|
|
|
|
if (display_help .or. .not. have_args .or. &
|
|
(stat .lt. 0 .or. (shmem .and. remain .gt. 0) &
|
|
.or. (read_files .and. remain .eq. 0) .or. &
|
|
(shmem .and. read_files))) then
|
|
|
|
print*,'Usage: jt9 -p <per> OPTIONS file1 [file2 ...]'
|
|
print*,' Reads data from *.wav files.'
|
|
print*,''
|
|
print*,' jt9 -s <key> [-w n] [-m n] [-e path] [-a path] [-t path]'
|
|
print*,' Gets data from shared memory region with key==<key>'
|
|
|
|
do i = 1, size (long_options)
|
|
print*,''
|
|
call long_options(i) % print (6)
|
|
end do
|
|
go to 999
|
|
endif
|
|
|
|
iret=fftwf_init_threads() !Initialize FFTW threading
|
|
|
|
! Default to 1 thread, but use nthreads for the big ones
|
|
call fftwf_plan_with_nthreads(1)
|
|
|
|
! Import FFTW wisdom, if available
|
|
wisfile=trim(data_dir)//'/jt9_wisdom.dat'// C_NULL_CHAR
|
|
iret=fftwf_import_wisdom_from_filename(wisfile)
|
|
|
|
ntry65a=0
|
|
ntry65b=0
|
|
n65a=0
|
|
n65b=0
|
|
num9=0
|
|
numfano=0
|
|
|
|
if (shmem) then
|
|
call jt9a() !We're running under control of WSJT-X
|
|
go to 999
|
|
endif
|
|
|
|
limtrace=0 !We're running jt9 in stand-alone mode
|
|
lu=12
|
|
nflatten=0
|
|
|
|
do iarg = offset + 1, offset + remain
|
|
call get_command_argument (iarg, optarg, arglen)
|
|
infile = optarg(:arglen)
|
|
open(10,file=infile,access='stream',status='old',err=998)
|
|
read(10) ihdr
|
|
nfsample=ihdr(7)
|
|
nutc0=ihdr(1) !Silence compiler warning
|
|
i1=index(infile,'.wav')
|
|
if(i1.lt.1) i1=index(infile,'.WAV')
|
|
if(infile(i1-5:i1-5).eq.'_') then
|
|
read(infile(i1-4:i1-1),*,err=1) nutc0
|
|
else
|
|
read(infile(i1-6:i1-3),*,err=1) nutc0
|
|
endif
|
|
go to 2
|
|
1 nutc0=0
|
|
2 nsps=0
|
|
if(ntrperiod.eq.1) then
|
|
nsps=6912
|
|
nzhsym=181
|
|
else if(ntrperiod.eq.2) then
|
|
nsps=15360
|
|
nzhsym=178
|
|
else if(ntrperiod.eq.5) then
|
|
nsps=40960
|
|
nzhsym=172
|
|
else if(ntrperiod.eq.10) then
|
|
nsps=82944
|
|
nzhsym=171
|
|
else if(ntrperiod.eq.30) then
|
|
nsps=252000
|
|
nzhsym=167
|
|
endif
|
|
if(nsps.eq.0) stop 'Error: bad TRperiod'
|
|
|
|
kstep=nsps/2
|
|
k=0
|
|
nhsym0=-999
|
|
npts=(60*ntrperiod-6)*12000
|
|
if(iarg .eq. offset + 1) then
|
|
open(12,file=trim(data_dir)//'/timer.out',status='unknown')
|
|
call timer('jt9 ',0)
|
|
endif
|
|
|
|
id2=0 !??? Why is this necessary ???
|
|
|
|
do iblk=1,npts/kstep
|
|
k=iblk*kstep
|
|
call timer('read_wav',0)
|
|
read(10,end=3) id2(k-kstep+1:k)
|
|
go to 4
|
|
3 call timer('read_wav',1)
|
|
print*,'EOF on input file ',infile
|
|
exit
|
|
4 call timer('read_wav',1)
|
|
nhsym=(k-2048)/kstep
|
|
if(nhsym.ge.1 .and. nhsym.ne.nhsym0) then
|
|
if(mode.eq.9 .or. mode.eq.74) then
|
|
! Compute rough symbol spectra for the JT9 decoder
|
|
ingain=0
|
|
call timer('symspec ',0)
|
|
nminw=1
|
|
call symspec(k,ntrperiod,nsps,ingain,nminw,pxdb,s,df3, &
|
|
ihsym,npts8)
|
|
call timer('symspec ',1)
|
|
endif
|
|
nhsym0=nhsym
|
|
if(nhsym.ge.181) exit
|
|
endif
|
|
enddo
|
|
close(10)
|
|
call fillcom(nutc0,ndepth,nrxfreq,mode,tx9,flow,fsplit,fhigh)
|
|
call decoder(ss,id2,nfsample)
|
|
enddo
|
|
|
|
call timer('jt9 ',1)
|
|
call timer('jt9 ',101)
|
|
go to 999
|
|
|
|
998 print*,'Cannot open file:'
|
|
print*,infile
|
|
|
|
999 continue
|
|
! Output decoder statistics
|
|
write(12,1100) n65a,ntry65a,n65b,ntry65b,numfano,num9
|
|
1100 format(58('-')/' JT65_1 Tries_1 JT65_2 Tries_2 JT9 Tries'/ &
|
|
58('-')/6i8)
|
|
|
|
! Save wisdom and free memory
|
|
iret=fftwf_export_wisdom_to_filename(wisfile)
|
|
call four2a(a,-1,1,1,1)
|
|
call filbig(a,-1,1,0.0,0,0,0,0,0) !used for FFT plans
|
|
call fftwf_cleanup_threads()
|
|
call fftwf_cleanup()
|
|
|
|
end program jt9
|