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feat(companion): clock tools — alarm, countdown timer, stopwatch

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Add a Clock Tools screen (Enter on the home Clock page) with three time
utilities, plus the engine that drives them from UITask::loop() so they
work regardless of the current screen / display state:

- Alarm: a single one-shot wake alarm. Persisted in NodePrefs as a local
  time-of-day; UITask schedules it as an ABSOLUTE fire instant recomputed
  from that time, so it survives RTC re-syncs (mesh/app/GPS/CLI all jump
  the clock) — small corrections still fire on time, a jump over the
  target still fires (late, up to 6 h). Disarms after firing. A bell
  icon signals an armed alarm on the clock face and the top status bar.
- Timer: a millis-based countdown (sync-immune), big HH:MM:SS readout,
  rings even when off-screen.
- Stopwatch: millis-based, keeps running in the background.

Numeric fields use the shared framework DigitEditor (digit-by-digit,
min/max enforced). The alarm/timer/ring engine lives in UITask alongside
the locator/live-share engines (no screen-cast for time-critical logic).

E-ink: live readouts refresh coarsely (and on any key); timing is exact
regardless, and the countdown's buzzer fires on time. Rings override mute
and are dismissed by any key (auto-stop after 1 min). Cannot wake from a
full Shutdown (CPU/RAM powered down).

NodePrefs: +alarm_on/alarm_hour/alarm_min (fit existing tail padding,
sizeof unchanged 2488), SCHEMA_SENTINEL 0xC0DE0016 -> 0xC0DE0017,
DataStore read/clamp/write in lockstep.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
MarekZegare4
2026-06-30 01:54:01 +02:00
parent 59d1722207
commit 9ce04835da
7 changed files with 509 additions and 2 deletions
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10
examples/companion_radio/DataStore.cpp
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@@ -421,6 +421,13 @@ void DataStore::loadPrefsInt(const char *filename, NodePrefs& _prefs, double& no
// → 0xC0DE0016: GPS-averaging duration for waypoint marking.
rd(&_prefs.gps_avg_idx, sizeof(_prefs.gps_avg_idx));
if (_prefs.gps_avg_idx >= NodePrefs::GPS_AVG_COUNT) _prefs.gps_avg_idx = 0;
// → 0xC0DE0017: one-shot alarm clock (local time-of-day + armed flag).
rd(&_prefs.alarm_on, sizeof(_prefs.alarm_on));
rd(&_prefs.alarm_hour, sizeof(_prefs.alarm_hour));
rd(&_prefs.alarm_min, sizeof(_prefs.alarm_min));
if (_prefs.alarm_on > 1) _prefs.alarm_on = 0;
if (_prefs.alarm_hour > 23) _prefs.alarm_hour = 0;
if (_prefs.alarm_min > 59) _prefs.alarm_min = 0;
// Pre-0x10 files leave stray sentinel bytes here, same as a never-configured
// device. Either way there's no valid saved profile, so default to a profile
// in the same band as the companion's own network (_prefs.freq, already read
@@ -622,6 +629,9 @@ void DataStore::savePrefs(const NodePrefs& _prefs, double node_lat, double node_
file.write((uint8_t *)&_prefs.locator_target_kind, sizeof(_prefs.locator_target_kind));
file.write((uint8_t *)_prefs.locator_key, sizeof(_prefs.locator_key));
file.write((uint8_t *)&_prefs.gps_avg_idx, sizeof(_prefs.gps_avg_idx));
file.write((uint8_t *)&_prefs.alarm_on, sizeof(_prefs.alarm_on));
file.write((uint8_t *)&_prefs.alarm_hour, sizeof(_prefs.alarm_hour));
file.write((uint8_t *)&_prefs.alarm_min, sizeof(_prefs.alarm_min));
// Tail sentinel — must be last. See NodePrefs::SCHEMA_SENTINEL. Its write is
// the one we check: once the flash fills, writes return 0, so a good