WSJT-X/lib/jt9a.f90

92 lines
2.6 KiB
Fortran

subroutine jt9a()
use, intrinsic :: iso_c_binding, only: c_f_pointer
use prog_args
use timer_module, only: timer
use timer_impl, only: init_timer !, limtrace
include 'jt9com.f90'
! These routines connect the shared memory region to the decoder.
interface
function address_jt9()
use, intrinsic :: iso_c_binding, only: c_ptr
type(c_ptr) :: address_jt9
end function address_jt9
end interface
integer*2 id2a(180000)
integer*1 attach_jt9
! integer*1 lock_jt9,unlock_jt9
integer size_jt9
! Multiple instances:
character*80 mykey
type(dec_data), pointer :: shared_data
type(params_block) :: local_params
logical fileExists
! Multiple instances:
i0 = len(trim(shm_key))
call init_timer (trim(data_dir)//'/timer.out')
! open(23,file=trim(data_dir)//'/CALL3.TXT',status='unknown')
! limtrace=-1 !Disable all calls to timer()
! Multiple instances: set the shared memory key before attaching
mykey=trim(repeat(shm_key,1))
i0 = len(mykey)
i0=setkey_jt9(trim(mykey))
i1=attach_jt9()
msdelay=10
10 inquire(file=trim(temp_dir)//'/.lock',exist=fileExists)
if(fileExists) then
call sleep_msec(msdelay)
go to 10
endif
inquire(file=trim(temp_dir)//'/.quit',exist=fileExists)
if(fileExists) then
i1=detach_jt9()
go to 999
endif
if(i1.eq.999999) stop !Silence compiler warning
nbytes=size_jt9()
if(nbytes.le.0) then
print*,'jt9a: Shared memory mem_jt9 does not exist.'
print*,"Must start 'jt9 -s <thekey>' from within WSJT-X."
go to 999
endif
call c_f_pointer(address_jt9(),shared_data)
local_params=shared_data%params !save a copy because wsjtx carries on accessing
call flush(6)
call timer('decoder ',0)
if(local_params%nmode.eq.8 .and. local_params%ndiskdat) then
! Early decoding pass, FT8 only, when wsjtx reads from disk
nearly=41
local_params%nzhsym=nearly
id2a(1:nearly*3456)=shared_data%id2(1:nearly*3456)
id2a(nearly*3456+1:)=0
call multimode_decoder(shared_data%ss,id2a,local_params,12000)
nearly=47
local_params%nzhsym=nearly
id2a(1:nearly*3456)=shared_data%id2(1:nearly*3456)
id2a(nearly*3456+1:)=0
call multimode_decoder(shared_data%ss,id2a,local_params,12000)
local_params%nzhsym=50
endif
! Normal decoding pass
call multimode_decoder(shared_data%ss,shared_data%id2,local_params,12000)
call timer('decoder ',1)
100 inquire(file=trim(temp_dir)//'/.lock',exist=fileExists)
if(fileExists) go to 10
call sleep_msec(msdelay)
go to 100
999 call timer('decoder ',101)
return
end subroutine jt9a