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feat(repeater): politeness controls, dedicated radio profile, and diagnostics

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Settings > Radio gains a repeater toggle, 16 community-suggested radio
presets plus manual Freq/SF/BW/CR tuning (digit-by-digit Freq editor),
4 persisted user preset slots, and the packet pool bumped 16->32 so
queued retransmits stop starving incoming-packet allocation while
relaying.

Four opt-in politeness knobs (skip-advert, max-hops, yield, min-SNR),
all flood-only and off by default, plus overhear suppression that
cancels a queued retransmit if a peer relays the same packet first.
Adaptive Power Control is suppressed while relaying (pins TX power to
the ceiling) and duty-cycle RX is forced off, since a repeater needs
to hear and relay at consistent power.

A dedicated Tools > Repeater screen consolidates the toggle, the
politeness knobs, and live forwarding stats, plus an optional "Custom"
radio profile — a dedicated frequency/SF/BW/CR for relaying, separate
from the companion's own network, band-matched to the companion
frequency by default and used everywhere a radio change can happen
(boot, on-device toggle, app-driven CMD_SET_RADIO_PARAMS, Settings
radio edits) so the device never silently falls back to the wrong
params mid-relay.

Diagnostics gains the actually-forwarded packet count, real heap-free
via mallinfo(), a reset-counters popup, and hardened loop-detect
bounds. Also: a frequency-floor fix and a float-equality preset-match
fix in the repeater profile logic, deduped BW-table/valCol/profile-
seeding helpers shared between Settings and the Repeater screen, and
a build.sh fix tolerating control characters in `pio project config`'s
JSON dump.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-06-20 09:07:00 +02:00
parent 327e659d51
commit 32c50d1cfe
27 changed files with 1296 additions and 89 deletions
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12
src/Mesh.h
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@@ -27,6 +27,7 @@ class Mesh : public Dispatcher {
RTCClock* _rtc;
RNG* _rng;
MeshTables* _tables;
uint32_t n_forwarded; // packets actually re-transmitted (repeater/transport role)
void removeSelfFromPath(Packet* packet);
void routeDirectRecvAcks(Packet* packet, uint32_t delay_millis);
@@ -55,6 +56,10 @@ protected:
*/
virtual bool allowPacketForward(const Packet* packet);
// Keep the forward counter honest when an overhear cancels a queued retransmit:
// the packet was counted at the ACTION_RETRANSMIT decision, so back it out here.
void onRetransmitCancelled(Packet* packet) override { if (n_forwarded) n_forwarded--; }
/**
* \returns number of milliseconds delay to apply to retransmitting the given packet.
*/
@@ -178,6 +183,13 @@ public:
LocalIdentity self_id;
// packets actually re-transmitted (vs. just permitted by allowPacketForward()) —
// confirms a repeater/transport role is really forwarding, not just configured to.
uint32_t getNumForwarded() const { return n_forwarded; }
// also clear the forward counter alongside the Dispatcher packet counters.
void resetStats() override { Dispatcher::resetStats(); n_forwarded = 0; }
RNG* getRNG() const { return _rng; }
RTCClock* getRTCClock() const { return _rtc; }