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31 lines
1.2 KiB
Fortran
31 lines
1.2 KiB
Fortran
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! Variable Purpose
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!---------------------------------------------------------------------------
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integer NRING !Length of Rx ring buffer
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integer NTZ !Length of Tx waveform in samples
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parameter(NRING=32768) !About 2.7 s at 12000 sam/sec
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parameter(NTZ=23040) !144*160
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parameter(NMAX=30000) !2.5*12000
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real snrdb
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integer ndevin !Device# for audio input
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integer ndevout !Device# for audio output
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integer iwrite !Pointer to Rx ring buffer
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integer itx !Pointer to Tx buffer
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integer ngo !Set to 0 to terminate audio streams
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integer nTransmitting !Actually transmitting?
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integer nTxOK !OK to transmit?
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integer nport !COM port for PTT
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logical tx_once !Transmit one message, then exit
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integer*2 y1 !Ring buffer for audio channel 0
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integer*2 y2 !Ring buffer for audio channel 1
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integer*2 iwave !Data for Tx audio
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character*6 mycall
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character*6 hiscall
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character*6 hiscall_next
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character*4 mygrid
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character*3 exch
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character*37 txmsg
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common/gcom1/snrdb,ndevin,ndevout,iwrite,itx,ngo,nTransmitting,nTxOK,nport, &
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tx_once, y1(NRING),y2(NRING),iwave(NTZ),mycall,hiscall, &
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hiscall_next,mygrid,exch,txmsg
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