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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/ClockScreen.h
+4 -4
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@@ -226,16 +226,16 @@ void UITask::refreshClock() {
if (s_big) {
char b[16];
fmtRemaining(b, sizeof(b), _core->clock.timerRemainingMs());
lv_label_set_text(s_big, b);
setText(s_big, b);
}
if (s_go_lbl) lv_label_set_text(s_go_lbl, running ? LV_SYMBOL_STOP " Stop" : LV_SYMBOL_PLAY " Start");
if (s_go_lbl) setText(s_go_lbl, running ? LV_SYMBOL_STOP " Stop" : LV_SYMBOL_PLAY " Start");
} else if (s_tab == TAB_STOPWATCH) {
if (s_big) {
char b[16];
fmtStopwatch(b, sizeof(b), swElapsed());
lv_label_set_text(s_big, b);
setText(s_big, b);
}
if (s_go_lbl) lv_label_set_text(s_go_lbl, s_sw_running ? LV_SYMBOL_PAUSE " Stop" : LV_SYMBOL_PLAY " Start");
if (s_go_lbl) setText(s_go_lbl, s_sw_running ? LV_SYMBOL_PAUSE " Stop" : LV_SYMBOL_PLAY " Start");
}
}