Starting on a decoder for QRA66. Now have found xdt and f0 from the sync vector.

This commit is contained in:
Joe Taylor 2020-07-31 16:38:21 -04:00
parent 77b7e71424
commit c4ef1e3e25
3 changed files with 85 additions and 2 deletions

View File

@ -377,6 +377,7 @@ set (wsjt_FSRCS
lib/options.f90
lib/packjt.f90
lib/77bit/packjt77.f90
lib/qra66_decode.f90
lib/readwav.f90
lib/timer_C_wrapper.f90
lib/timer_impl.f90
@ -575,6 +576,7 @@ set (wsjt_FSRCS
lib/symspec65.f90
lib/sync4.f90
lib/sync64.f90
lib/sync66.f90
lib/sync65.f90
lib/ft4/getcandidates4.f90
lib/ft4/get_ft4_bitmetrics.f90

View File

@ -9,6 +9,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
use ft8_decode
use ft4_decode
use fst4_decode
use qra66_decode
include 'jt9com.f90'
include 'timer_common.inc'
@ -37,6 +38,10 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
integer :: decoded
end type counting_fst4_decoder
type, extends(qra66_decoder) :: counting_qra66_decoder
integer :: decoded
end type counting_qra66_decoder
real ss(184,NSMAX)
logical baddata,newdat65,newdat9,single_decode,bVHF,bad0,newdat,ex
integer*2 id2(NTMAX*12000)
@ -54,6 +59,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
type(counting_ft8_decoder) :: my_ft8
type(counting_ft4_decoder) :: my_ft4
type(counting_fst4_decoder) :: my_fst4
type(counting_qra66_decoder) :: my_qra66
!cast C character arrays to Fortran character strings
datetime=transfer(params%datetime, datetime)
@ -69,6 +75,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
my_ft8%decoded = 0
my_ft4%decoded = 0
my_fst4%decoded = 0
my_qra66%decoded = 0
! For testing only: return Rx messages stored in a file as decodes
inquire(file='rx_messages.txt',exist=ex)
@ -187,6 +194,16 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
go to 800
endif
if(params%nmode.eq.66) then
! We're in QRA66 mode
call timer('decqra66',0)
call my_qra66%decode(qra66_decoded,id2,params%nutc,params%nfa, &
params%nfb,params%nfqso,params%ndepth,logical(params%lapcqonly), &
mycall,hiscall,hisgrid)
call timer('decqra66',1)
go to 800
endif
if(params%nmode.eq.240) then
! We're in FST4 mode
ndepth=iand(params%ndepth,3)
@ -759,4 +776,65 @@ contains
return
end subroutine fst4_decoded
subroutine qra66_decoded (this,nutc,sync,nsnr,dt,freq,decoded,nap, &
qual,ntrperiod,fmid,w50)
use qra66_decode
implicit none
class(qra66_decoder), intent(inout) :: this
integer, intent(in) :: nutc
real, intent(in) :: sync
integer, intent(in) :: nsnr
real, intent(in) :: dt
real, intent(in) :: freq
character(len=37), intent(in) :: decoded
integer, intent(in) :: nap
real, intent(in) :: qual
integer, intent(in) :: ntrperiod
real, intent(in) :: fmid
real, intent(in) :: w50
character*2 annot
character*37 decoded0
character*70 line
decoded0=decoded
annot=' '
if(nap.ne.0) then
write(annot,'(a1,i1)') 'a',nap
if(qual.lt.0.17) decoded0(37:37)='?'
endif
if(ntrperiod.lt.60) then
write(line,1001) nutc,nsnr,dt,nint(freq),decoded0,annot
1001 format(i6.6,i4,f5.1,i5,' ` ',1x,a37,1x,a2)
write(13,1002) nutc,nint(sync),nsnr,dt,freq,0,decoded0
1002 format(i6.6,i4,i5,f6.1,f8.0,i4,3x,a37,' FST4')
else
write(line,1003) nutc,nsnr,dt,nint(freq),decoded0,annot
1003 format(i4.4,i4,f5.1,i5,' ` ',1x,a37,1x,a2,2f7.3)
write(13,1004) nutc,nint(sync),nsnr,dt,freq,0,decoded0
1004 format(i4.4,i4,i5,f6.1,f8.0,i4,3x,a37,' FST4')
endif
if(fmid.ne.-999.0) then
if(w50.lt.0.95) write(line(65:70),'(f6.3)') w50
if(w50.ge.0.95) write(line(65:70),'(f6.2)') w50
endif
write(*,1005) line
1005 format(a70)
call flush(6)
call flush(13)
select type(this)
type is (counting_qra66_decoder)
this%decoded = this%decoded + 1
end select
return
end subroutine qra66_decoded
end subroutine multimode_decoder

View File

@ -26,7 +26,7 @@ program jt9
fhigh=4000,nrxfreq=1500,ndepth=1,nexp_decode=0,nQSOProg=0
logical :: read_files = .true., tx9 = .false., display_help = .false., &
bLowSidelobes = .false.
type (option) :: long_options(29) = [ &
type (option) :: long_options(30) = [ &
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 SECONDS=60', &
@ -51,6 +51,7 @@ program jt9
option ('fft-threads', .true., 'm', &
'Number of threads to process large FFTs, default THREADS=1', &
'THREADS'), &
option ('qra66', .false., '3', 'QRA66 mode', ''), &
option ('jt4', .false., '4', 'JT4 mode', ''), &
option ('ft4', .false., '5', 'FT4 mode', ''), &
option ('jt65', .false.,'6', 'JT65 mode', ''), &
@ -86,7 +87,7 @@ program jt9
TRperiod=60.d0
do
call getopt('hs:e:a:b:r:m:p:d:f:w:t:987654WqTL:S:H:c:G:x:g:X:Q:', &
call getopt('hs:e:a:b:r:m:p:d:f:w:t:9876543WqTL:S:H:c:G:x:g:X:Q:', &
long_options,c,optarg,arglen,stat,offset,remain,.true.)
if (stat .ne. 0) then
exit
@ -123,6 +124,8 @@ program jt9
mode = 164
case ('Q')
read (optarg(:arglen), *) nQSOProg
case ('3')
mode = 66
case ('4')
mode = 4
case ('5')