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feat(companion): advert position precision (privacy)

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Settings > Privacy > Precision: Exact / ~100 m / ~500 m / ~1 km, beside
"Position in adverts", which stays the on/off. With the position shared,
it is snapped to a fixed grid (0.0009 / 0.0045 / 0.009 degrees) rather
than jittered, so repeated adverts from one spot send the same value and
can't be averaged back to the exact fix.

A schema row (NodePrefs::advert_loc_prec), so both UIs show it, factory
reset clears it and the console has it as advert.loc.precision.

Every self-advert -- manual, flood, auto, the phone app's and contact
export -- now goes through MyMesh::createOwnAdvert(), so the precision
applies everywhere.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
pmow
2026-10-10 16:22:16 -10:00
co-authored by Claude Opus 5.5
parent 2820c36b1c
commit a25df3ceec
6 changed files with 49 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/companion_radio/ui-core/SettingsCli.h
+1
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@@ -16,6 +16,7 @@ struct Key { const char* key; uint16_t offset; uint8_t bit; };
#define KB(name, f, mask) { name, (uint16_t)offsetof(NodePrefs, f), mask }
static const Key KEYS[] = {
K("advert.interval", advert_auto_interval_sec), K("advert.loc", advert_loc_policy),
K("advert.loc.precision", advert_loc_prec),
K("telemetry.base", telemetry_mode_base), K("telemetry.loc", telemetry_mode_loc), K("telemetry.env", telemetry_mode_env),
K("autoadd", manual_add_contacts), KB("autoadd.chat", autoadd_config, 0x02), KB("autoadd.repeater", autoadd_config, 0x04),
KB("autoadd.room", autoadd_config, 0x08), KB("autoadd.sensor", autoadd_config, 0x10),
examples/companion_radio/ui-core/SettingsSchema.h
+7 -1
View File
@@ -161,6 +161,10 @@ static void optAdvertScope(uint8_t v, char* b, int n, const NodePrefs&) {
snprintf(b, n, "%s", v == ADVERT_SOUND_SCOPE_ZERO_HOP ? "Direct" : "All");
}
static void optLocPrec(uint8_t v, char* b, int n, const NodePrefs&) {
static const char* const L[NodePrefs::ADV_LOC_PREC_COUNT] = { "Exact", "~100 m", "~500 m", "~1 km" };
snprintf(b, n, "%s", L[v < NodePrefs::ADV_LOC_PREC_COUNT ? v : 0]);
}
static void optTelemetry(uint8_t v, char* b, int n, const NodePrefs&) {
static const char* const L[] = { "Nobody", "Allowed", "Everyone" }; // TELEM_MODE_*
snprintf(b, n, "%s", L[v < 3 ? v : 0]);
@@ -281,6 +285,8 @@ static const Setting ALL[] = {
IDX("Advert sound for", "Direct: no repeaters", SEC_SOUND_FOR, advert_sound_scope, 2, optAdvertScope, nullptr),
SW("Position in adverts", "Your adverts carry your location", SEC_PRIVACY, advert_loc_policy, nullptr),
IDX("Precision", "Rounded so it can't be pinpointed", SEC_PRIVACY, advert_loc_prec,
NodePrefs::ADV_LOC_PREC_COUNT, optLocPrec, nullptr),
// TELEM_MODE_*: "Allowed" is the contacts given that permission.
IDX("Status", "Battery; the two below need it", SEC_TELEMETRY, telemetry_mode_base, 3, optTelemetry, nullptr),
IDX("Location", nullptr, SEC_TELEMETRY, telemetry_mode_loc, 3, optTelemetry, nullptr),
@@ -315,7 +321,7 @@ static const struct { uint16_t offset; const char* text; } SHORT_LABELS[] = {
{ NP_OFF(notif_melody_ch), "Ch sound" }, { NP_OFF(notif_melody_ad), "AD sound" },
{ NP_OFF(advert_sound_scope), "AD scope" },
{ NP_OFF(manual_add_contacts), "Auto-add" }, { NP_OFF(autoadd_max_hops), " up to" },
{ NP_OFF(advert_loc_policy), "Advert pos" }, { NP_OFF(telemetry_mode_base), "Ask status" },
{ NP_OFF(advert_loc_policy), "Advert pos" }, { NP_OFF(advert_loc_prec), " precision" }, { NP_OFF(telemetry_mode_base), "Ask status" },
{ NP_OFF(telemetry_mode_loc), "Ask loc" }, { NP_OFF(telemetry_mode_env), "Ask sens" },
{ NP_OFF(path_hash_mode), "Hash size" }, { NP_OFF(multi_acks), "Double ACK" },
{ NP_OFF(cad_enabled), "LBT (CAD)" }, { NP_OFF(interference_threshold), "Interf." },