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Add LNB polarity toggle (V-pol 13V / H-pol 18V)

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Bridge: set_lnb_voltage(mode) wraps firmware lnbdc command, enable_lna()
now delegates to it. MCP: new set_lnb_voltage tool + 3 tests. TUI: Signal
screen button toggles between V-pol and H-pol instead of one-way LNA enable.
This commit is contained in:
Ryan Malloy 2026-02-17 17:24:05 -07:00
parent 8a6b99bd8c
commit f8bfd69ceb
5 changed files with 123 additions and 19 deletions
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38
tui/src/birdcage_tui/screens/signal.py
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@ -115,7 +115,7 @@ class SignalScreen(Container):
yield Static(" Hz", classes="label")
yield Button("Start", id="btn-start", variant="primary")
yield Button("Stop", id="btn-stop")
yield Button("Enable LNA", id="btn-lna")
yield Button("V-pol 13V", id="btn-lna")
yield Button("Reset Peak", id="btn-reset-peak")
# -- Sweep mode -------------------------------------------
@ -350,9 +350,13 @@ class SignalScreen(Container):
label = "YES" if locked else "NO"
self.query_one("#lock-status", Static).update(f" Lock: {label}")
def _update_lna_label(self) -> None:
label = "ON" if self._lna_enabled else "OFF"
self.query_one("#lna-status", Static).update(f" LNA: {label}")
def _update_lna_ui(self) -> None:
if self._lna_enabled:
self.query_one("#lna-status", Static).update(" LNA: ON (V-pol)")
self.query_one("#btn-lna", Button).label = "H-pol 18V"
else:
self.query_one("#lna-status", Static).update(" LNA: OFF (H-pol)")
self.query_one("#btn-lna", Button).label = "V-pol 13V"
def _update_status_strip_rssi(self, rssi_avg: int) -> None:
"""Push RSSI to the app-level StatusStrip."""
@ -386,19 +390,29 @@ class SignalScreen(Container):
if self._device is None:
self.app.notify("No device connected", severity="warning")
return
self._do_enable_lna()
self._do_toggle_lnb()
@work(thread=True, exclusive=False, group="signal-cmd")
def _do_enable_lna(self) -> None:
def _do_toggle_lnb(self) -> None:
try:
self._device.enable_lna()
self._lna_enabled = True
self.app.call_from_thread(self._update_lna_label)
self.app.call_from_thread(self.app.notify, "LNA enabled (13V ODU)")
if self._lna_enabled:
self._device.set_lnb_voltage("stb")
self._lna_enabled = False
self.app.call_from_thread(self._update_lna_ui)
self.app.call_from_thread(
self.app.notify, "LNB set to 18V (H-pol)"
)
else:
self._device.set_lnb_voltage("odu")
self._lna_enabled = True
self.app.call_from_thread(self._update_lna_ui)
self.app.call_from_thread(
self.app.notify, "LNB set to 13V (V-pol, LNA on)"
)
except Exception:
log.exception("LNA enable failed")
log.exception("LNB voltage switch failed")
self.app.call_from_thread(
self.app.notify, "LNA enable failed", severity="error"
self.app.notify, "LNB voltage switch failed", severity="error"
)
def _handle_reset_peak(self) -> None: