Re: [Svxlink-devel] Half-duplex Repeater Configuration (with remotetrx nodes)
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From: Tobias B. <sm...@us...> - 2011-10-29 14:16:41
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On Friday 21 October 2011 10.48.31 Eren Türkay wrote: > Hello, > > I have multiple remotetrx nodes and they are specified in RepeaterLogic > as MultiTx and MultiRx where MultiTx stands for TYPE=Multi and MultiRx > stands for TYPE=Voter respectively. > > The configuration is elegant because it's minimal with only 1 > RepaterLogic. However, the problem is that RepeaterLogic acts as a > full-duplex controller, which means that every remotetrx node transmits > the sound while it receives at the same time. > > I want remotetrx nodes not to transmit when it receives a sound from > it's sound card. What I want is that when a sound is present on > remotetrx node, it should be transferred to svxlink and svxlink should > transfer it to other remotetrx nodes, which means a half-duplex > repeater. > > I specified MUTE_TX_ON_RX=1 on remotetrx. It does not transmit the sound > (mutes) but does PTT (sets DTR pin HIGH on serial). So, my RF subsystem > transmits as if full-duplex. What I want is that when MUTE_TX_ON_RX=1, > remotetrx should not do PTT. > > It is possible? If so, I would appreciate the way to do it. There was a bug in that code causing this behaviour. It should be fixed in Subversion trunk now. Please try it out. You may also want to increase the value for MUTE_TX_ON_RX. This is the text from the manual page: If set to a value >= 0, will stop the transmitter from transmitting when the squelch is open. The value represents a delay, in milliseconds, after the squelch has closed, that the transmitter will be muted. For example, if set to 1000, the transmitter will be muted one second after the squelch has closed. The default is not to mute the transmitter when the squelch is open. So, to avoid short squelch closes to activate the transmitter, set it to something reasonable. Experiment with it. Start at like 500ms. 73's de SM0SVX / Tobias > > Regards, |