WSJT-X/savedata.f90
Joe Taylor c80ba1b2ed Split Audio.f90 into separate routines
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/WSJT/trunk@10 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2005-12-23 17:07:54 +00:00

137 lines
3.3 KiB
Fortran

include 'pix2d.f90'
include 'pix2d65.f90'
include 'blanker.f90'
!----------------------------------------------------------- savedata
subroutine savedata
#ifdef Win32
use dfport
#endif
character fname*24,longname*80
data ibuf0z/1/
include 'gcom1.f90'
include 'gcom2.f90'
include 'gcom3.f90'
save
if(mode(1:4).eq.'JT65') then
call get_fname(hiscall,ntime,trperiod,lauto,fname0)
ibuf1=ibuf0
ibuf2=ibuf
go to 1
else
call get_fname(hiscall,ntime-trperiod,trperiod,lauto,fname0)
endif
if(ibuf0.eq.ibuf0z) go to 999 !Startup condition, do not save
if(ntrbuf(ibuf0z).eq.1) go to 999 !We were transmitting, do not save
! Get buffer pointers, then copy completed Rx sequence from y1 to d2a:
ibuf1=ibuf0z
ibuf2=ibuf0-1
1 jza=2048*(ibuf2-ibuf1)
if(jza.lt.0) jza=jza+NRxMax
lenok=1
if(jza.lt.110250) go to 999 !Don't save files less than 10 s
if(jza.gt.60*11025) go to 999 !Don't save if something's fishy
k=2048*(ibuf1-1)
if(mode(1:4).ne.'JT65') k=k+3*2048
if(mode(1:4).ne.'JT65' .and. jza.gt.30*11025) then
k=k + (jza-30*11025)
if(k.gt.NRxMax) k=k-NRxMax
jza=30*11025
endif
! Check timestamps of buffers used for this data
msbig=0
i=k/2048
if(msmax.eq.0) i=i+1
nz=jza/2048
if(msmax.eq.0) then
i=i+1
nz=nz-1
endif
do n=1,nz
i=i+1
if(i.gt.1024) i=i-1024
i0=i-1
if(i0.lt.1) i0=i0+1024
dtt=tbuf(i)-tbuf(i0)
ms=0
if(dtt.gt.0.d0 .and. dtt.lt.80000.0) ms=1000.d0*dtt
msbig=max(ms,msbig)
enddo
if(ndebug.gt.0 .and. msbig.gt.msmax .and. msbig.gt.330) then
write(*,1020) msbig
1020 format('Warning: interrupt service interval',i11,' ms.')
endif
msmax=max(msbig,msmax)
do i=1,jza
k=k+1
if(k.gt.NRxMax) k=k-NRxMax
xx=dgain*y1(k)
xx=min(32767.0,max(-32767.0,xx))
d2a(i)=nint(xx)
enddo
fnamea=fname0
npingtime=0
fname=fnamea !Save filename for output to disk
nagain=0
ndecoding=1 !Request decoding
! Generate file name and write data to file
! if(nsave.ge.2 .and. ichar(fname(1:1)).ne.0) then
if(ichar(fname(1:1)).ne.0) then
! Generate header for wavefile:
ariff='RIFF'
awave='WAVE'
afmt='fmt '
adata='data'
lenfmt=16
nfmt2=1
nchan2=1
nsamrate=11025
nbytesam2=2
nbytesec=nchan2*nsamrate*nbytesam2
nbitsam2=16
ndata=2*jza
nbytes=ndata+44
nchunk=nbytes-8
do i=80,1,-1
if(appdir(i:i).ne.' ') go to 10
enddo
10 longname=AppDir(1:i)//'/RxWav/'//fname
#ifdef Win32
open(17,file=longname,status='unknown',form='binary',err=20)
#else
open(17,file=longname,status='unknown',form='unformatted',err=20)
#endif
write(17) ariff,nchunk,awave,afmt,lenfmt,nfmt2,nchan2,nsamrate, &
nbytesec,nbytesam2,nbitsam2,adata,ndata,(d2a(j),j=1,jza)
close(17)
filetokillb=filetokilla
filetokilla=longname
go to 30
20 print*,'Error opening Fortran unit 17.'
print*,longname
30 continue
endif
999 if(mode(1:4).ne.'JT65') then
ibuf0z=ibuf0
ntime0=ntime
call get_fname(hiscall,ntime,trperiod,lauto,fname0)
endif
return
end subroutine savedata