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Cort BuffingtonandClaude Opus 5
d2d99cca3e
Connects to an HBP master as an ordinary repeater, records one call, and replays it sourced from its own radio ID. - One configured radio ID performs every radio-ID function: HBP login, DMRD repeater field, source of the replay, and the unit-call target. - Group, unit, or both; the reply mirrors the inbound call type. Group goes back onto the same talkgroup, unit is a private call to the caller. - Full rewrite of the DMRD header AND the payload Link Control (full LC in VHEAD/VTERM, embedded LC fragments in bursts B-E, FLCO per call type). AMBE is never touched, so replayed audio is bit-identical. Earlier implementations rewrote only the header, leaving radios displaying the original caller. - Talkgroup config is emitted as an RPTO subscription at login, which is what makes it work on HBlink4 without server-side configuration. - Clocked egress at 60 ms off the event loop; fixed capture buffer sized at startup; nothing allocates on the data path. HBP client and the DMR DSP module are lifted from ipsc2hbpc. Conformance test is the loopback identity: 378 checks over a synthetic capture covering every frame kind. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
23 lines
542 B
Desktop File
23 lines
542 B
Desktop File
# talkback.service — systemd unit for dmr-talkback.
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# Installed by `sudo make install` to /lib/systemd/system/talkback.service.
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[Unit]
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Description=DMR voice test (talkback) endpoint
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Documentation=https://github.com/n0mjs710/dmr-talkback
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After=network.target
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Wants=network.target
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[Service]
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Type=simple
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User=root
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ExecStart=/usr/local/bin/talkback -c /etc/talkback/talkback.toml
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Restart=on-failure
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RestartSec=10s
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TimeoutStopSec=10s
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StandardOutput=journal
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StandardError=journal
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SyslogIdentifier=talkback
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[Install]
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WantedBy=multi-user.target
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