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perf(ui-lvgl): lower clock when idle, fewer redraws, wake on BLE frames

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- CPU at 80 MHz with the screen on after 2 s without touch or animation;
  a touch restores the full clock before its frame is drawn
- setText(): periodic refreshes no longer redraw unchanged labels
  (status bar, Home, lock, Diag, GPS, compass, clock, map, nav, nearby)
- map markers kept across the 3 s rebuild when unchanged
- app connected: the loop blocks until a BLE frame arrives
  (serialFrameArrived / hasPendingFrames) instead of polling every 2 ms
- PSRAM: boot frame sprite and the HTTP response buffer released

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-09-29 11:51:18 +02:00
co-authored by Claude Opus 5.5
parent bc266a4f5c
commit 4ab9d949ec
19 changed files with 188 additions and 82 deletions
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examples/companion_radio/ui-lvgl/NavMap.h
+8 -8
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@@ -290,7 +290,7 @@ void UITask::refreshNavBar() {
navmap::fmtDuration(left, sizeof(left), _core->live_share.remainingSecs());
o += snprintf(t + o, sizeof(t) - o, "%sLIVE %s", o ? " " : "", left);
}
lv_label_set_text(_nav_rec, t);
setText(_nav_rec, t);
if (o) lv_obj_remove_flag(_nav_rec, LV_OBJ_FLAG_HIDDEN); else lv_obj_add_flag(_nav_rec, LV_OBJ_FLAG_HIDDEN);
}
int32_t tlat, tlon;
@@ -298,23 +298,23 @@ void UITask::refreshNavBar() {
bool person = false, set = false;
bool pos = navCurrentTarget(tlat, tlon, name, sizeof(name), person, set);
if (!set) {
lv_label_set_text(_nav_title, "No target");
setText(_nav_title, "No target");
lv_obj_set_style_text_color(_nav_title, lv_color_hex(theme::TEXT_MUTED), 0);
lv_label_set_text(_nav_info, "Tap here to pick a target, or hold the map on a spot");
setText(_nav_info, "Tap here to pick a target, or hold the map on a spot");
lv_obj_add_flag(_nav_clear, LV_OBJ_FLAG_HIDDEN);
return;
}
lv_obj_set_style_text_color(_nav_title, lv_color_hex(theme::ACCENT), 0);
lv_obj_remove_flag(_nav_clear, LV_OBJ_FLAG_HIDDEN);
lv_label_set_text_fmt(_nav_title, "%s %s", navmap::s_tb.active() ? LV_SYMBOL_LOOP : person ? UI_SYMBOL_USERS : UI_SYMBOL_FLAG,
setTextFmt(_nav_title, "%s %s", navmap::s_tb.active() ? LV_SYMBOL_LOOP : person ? UI_SYMBOL_USERS : UI_SYMBOL_FLAG,
name);
if (!pos) {
lv_label_set_text(_nav_info, "Position unknown (not shared recently)");
setText(_nav_info, "Position unknown (not shared recently)");
return;
}
int32_t lat, lon;
if (!_core->course.currentLocation(lat, lon)) {
lv_label_set_text(_nav_info, _core->gpsEnabled() || !_core->gpsAvailable()
setText(_nav_info, _core->gpsEnabled() || !_core->gpsAvailable()
? "Waiting for a GPS fix..." : "GPS is off - tap the crosshair to turn it on");
return;
}
@@ -327,9 +327,9 @@ void UITask::refreshNavBar() {
int cog;
if (_core->course.currentCourse(cog)) snprintf(hdg, sizeof(hdg), " - you %d\xC2\xB0", cog);
if (navmap::s_eta.eta(km, eta, sizeof(eta)))
lv_label_set_text_fmt(_nav_info, "%s %d\xC2\xB0 %s%s - ETA %s", dist, to, geo::bearingCardinal(to), hdg, eta);
setTextFmt(_nav_info, "%s %d\xC2\xB0 %s%s - ETA %s", dist, to, geo::bearingCardinal(to), hdg, eta);
else
lv_label_set_text_fmt(_nav_info, "%s %d\xC2\xB0 %s%s", dist, to, geo::bearingCardinal(to), hdg);
setTextFmt(_nav_info, "%s %d\xC2\xB0 %s%s", dist, to, geo::bearingCardinal(to), hdg);
}
// ── Target selection ──────────────────────────────────────────────────────────