2009-04-23 19:02:43 +00:00
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!------------------------------------------------ audio_init
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subroutine audio_init(ndin,ndout)
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#ifdef CVF
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use dfmt
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integer Thread1,Thread2,Thread3
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external a2d,decode1,recvpkt
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#endif
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include 'gcom1.f90'
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include 'gcom2.f90'
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nmode=2
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if(mode(5:5).eq.'A') mode65=1
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if(mode(5:5).eq.'B') mode65=2
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if(mode(5:5).eq.'C') mode65=4
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ndevout=ndout
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TxOK=0
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Transmitting=0
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nfsample=11025
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nspb=1024
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nbufs=2048
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nmax=nbufs*nspb
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nwave=60*nfsample
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ngo=1
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f0=800.0
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do i=1,nwave
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iwave(i)=nint(32767.0*sin(6.283185307*i*f0/nfsample))
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enddo
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#ifdef CVF
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! Priority classes (for processes):
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! IDLE_PRIORITY_CLASS 64
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! NORMAL_PRIORITY_CLASS 32
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! HIGH_PRIORITY_CLASS 128
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! Priority definitions (for threads):
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! THREAD_PRIORITY_IDLE -15
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! THREAD_PRIORITY_LOWEST -2
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! THREAD_PRIORITY_BELOW_NORMAL -1
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! THREAD_PRIORITY_NORMAL 0
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! THREAD_PRIORITY_ABOVE_NORMAL 1
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! THREAD_PRIORITY_HIGHEST 2
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! THREAD_PRIORITY_TIME_CRITICAL 15
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m0=SetPriorityClass(GetCurrentProcess(),NORMAL_PRIORITY_CLASS)
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! m0=SetPriorityClass(GetCurrentProcess(),HIGH_PRIORITY_CLASS)
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! Start a thread for doing A/D and D/A with sound card.
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! (actually, only D/A is used in MAP65)
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Thread1=CreateThread(0,0,a2d,0,CREATE_SUSPENDED,id1)
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m1=SetThreadPriority(Thread1,THREAD_PRIORITY_ABOVE_NORMAL)
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m2=ResumeThread(Thread1)
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! Start a thread for background decoding.
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Thread2=CreateThread(0,0,decode1,0,CREATE_SUSPENDED,id2)
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m3=SetThreadPriority(Thread2,THREAD_PRIORITY_BELOW_NORMAL)
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m4=ResumeThread(Thread2)
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! Start a thread to receive packets from Linrad
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Thread3=CreateThread(0,0,recvpkt,0,CREATE_SUSPENDED,id3)
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m5=SetThreadPriority(Thread3,THREAD_PRIORITY_ABOVE_NORMAL)
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m6=ResumeThread(Thread3)
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#else
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! print*,'Audio INIT called.'
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ierr=start_threads(ndevin,ndevout,y1,y2,nmax,iwrite,iwave,nwave, &
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11025,NSPB,TRPeriod,TxOK,ndebug,Transmitting, &
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Tsec,ngo,nmode,tbuf,ibuf,ndsec,PttPort,devin_name,devout_name)
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#endif
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return
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end subroutine audio_init
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