Initial Commit

lib/jt9a.f90

@@ -0,0 +1,75 @@
+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*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)
+  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