2014-12-02 19:06:54 -05:00
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subroutine jt9a()
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2015-12-17 15:29:55 -05:00
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use, intrinsic :: iso_c_binding, only: c_f_pointer
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2014-12-02 19:06:54 -05:00
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use prog_args
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2015-12-27 10:40:57 -05:00
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use timer_module, only: timer
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use timer_impl, only: init_timer !, limtrace
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2014-12-02 19:06:54 -05:00
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2015-12-17 15:29:55 -05:00
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include 'jt9com.f90'
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2014-12-02 19:06:54 -05:00
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! These routines connect the shared memory region to the decoder.
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interface
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function address_jt9()
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2015-12-17 15:29:55 -05:00
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use, intrinsic :: iso_c_binding, only: c_ptr
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type(c_ptr) :: address_jt9
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2014-12-02 19:06:54 -05:00
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end function address_jt9
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end interface
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2020-02-14 11:16:54 -05:00
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integer*2 id2a(180000)
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2014-12-02 19:06:54 -05:00
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integer*1 attach_jt9
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! integer*1 lock_jt9,unlock_jt9
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integer size_jt9
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! Multiple instances:
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character*80 mykey
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2015-12-17 15:29:55 -05:00
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type(dec_data), pointer :: shared_data
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type(params_block) :: local_params
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2014-12-02 19:06:54 -05:00
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logical fileExists
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! Multiple instances:
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i0 = len(trim(shm_key))
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2015-12-27 10:40:57 -05:00
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call init_timer (trim(data_dir)//'/timer.out')
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2015-04-22 13:48:03 -04:00
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! open(23,file=trim(data_dir)//'/CALL3.TXT',status='unknown')
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2014-12-02 19:06:54 -05:00
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! limtrace=-1 !Disable all calls to timer()
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! Multiple instances: set the shared memory key before attaching
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mykey=trim(repeat(shm_key,1))
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i0 = len(mykey)
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i0=setkey_jt9(trim(mykey))
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i1=attach_jt9()
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2017-06-27 16:50:17 -04:00
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msdelay=10
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2014-12-02 19:06:54 -05:00
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10 inquire(file=trim(temp_dir)//'/.lock',exist=fileExists)
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if(fileExists) then
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2017-06-27 16:50:17 -04:00
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call sleep_msec(msdelay)
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2014-12-02 19:06:54 -05:00
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go to 10
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endif
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inquire(file=trim(temp_dir)//'/.quit',exist=fileExists)
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if(fileExists) then
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i1=detach_jt9()
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go to 999
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endif
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if(i1.eq.999999) stop !Silence compiler warning
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nbytes=size_jt9()
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if(nbytes.le.0) then
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print*,'jt9a: Shared memory mem_jt9 does not exist.'
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print*,"Must start 'jt9 -s <thekey>' from within WSJT-X."
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go to 999
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endif
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2015-12-17 15:29:55 -05:00
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call c_f_pointer(address_jt9(),shared_data)
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local_params=shared_data%params !save a copy because wsjtx carries on accessing
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call flush(6)
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call timer('decoder ',0)
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2020-02-14 11:16:54 -05:00
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if(local_params%nmode.eq.8 .and. local_params%ndiskdat) then
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! "Early" decoding pass for data read from disk: FT8 only
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2020-02-28 15:03:39 -05:00
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nearly=41
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2020-02-14 11:16:54 -05:00
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local_params%nzhsym=nearly
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id2a(1:nearly*3456)=shared_data%id2(1:nearly*3456)
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id2a(nearly*3456+1:)=0
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call multimode_decoder(shared_data%ss,id2a,local_params,12000)
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local_params%nzhsym=50
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endif
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! Normal decoding pass
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2015-12-29 18:52:55 -05:00
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call multimode_decoder(shared_data%ss,shared_data%id2,local_params,12000)
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2015-12-17 15:29:55 -05:00
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call timer('decoder ',1)
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2014-12-02 19:06:54 -05:00
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100 inquire(file=trim(temp_dir)//'/.lock',exist=fileExists)
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if(fileExists) go to 10
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2017-06-27 16:50:17 -04:00
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call sleep_msec(msdelay)
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2014-12-02 19:06:54 -05:00
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go to 100
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2015-12-17 15:29:55 -05:00
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999 call timer('decoder ',101)
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2014-12-02 19:06:54 -05:00
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return
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end subroutine jt9a
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