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Feature - Added channel INTERLOCK functionality#422

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dvanderlocht wants to merge 5 commits into
wb2osz:devfrom
dvanderlocht:dev
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Feature - Added channel INTERLOCK functionality#422
dvanderlocht wants to merge 5 commits into
wb2osz:devfrom
dvanderlocht:dev

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@dvanderlocht
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Added feature to interlock channels with the same interlock number configured to share DCD and PTT signaling.
Useful with several setup types where 2 or more channels shouldn't interfere with eachother without the need to use TXINH and (external) connections and/or circuitry to accomplish similar goals.

For example when radios and/or antennas are shared, or RX/TX more than 1 mode on a single soundcard and radio (with 'virtual Y-cable' setup) using multiple Direwolf channels.

Channels on the same INTERLOCK number configured are sharing DCD and PTT signaling internally.

Dave van der Locht and others added 4 commits May 27, 2022 11:31
New INTERLOCK parameter for config file interlocks all channels with the same interlock number configured to share DCD and PTT signaling.
Useful with several setup types where 2 or more channels shouldn't interfere with eachother. For example when radios and/or antennas are shared.
A value of delete_count + 100 seems to give issues with multiple channels and freq. offset decoding configured.
Extended to 168 for testing a max. with 3 channels and 7 offset decoders p/channel
DCD state could get stuck which blocked PTT, now fixed.
@dvanderlocht dvanderlocht changed the title Added feature to interlock channels with the same interlock number configured to share DCD and PTT signaling. Useful with several setup types where 2 or more channels shouldn't interfere with eachother without the need to use TXINH and (external) connections and/or circuitry to accomplish similar goals. For example when radios and/or antennas are shared, or RX/TX more than 1 mode on a single soundcard and radio (with 'virtual Y-cable' setup) using multiple Direwolf channels. Channels on the same INTERLOCK number configured are sharing DCD and PTT signaling internally. Feature - Added channel INTERLOCK functionality Sep 15, 2022
@mattbk
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mattbk commented May 3, 2025

I'm curious whether this will be considered. An additional use case might be if you have two radios and an undersized power supply. I believe this would allow you to only allow one radio to transmit at a time, and hence stay below the limits of the power supply.

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2 participants