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feat(trail): auto-save GPS trail on shutdown (Trail settings toggle)

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Losing the whole route on a low-battery auto-shutdown was the worst solo-mode
failure. New NodePrefs::trail_autosave_lowbatt toggle (Tools > Trail >
Settings > Auto-save, default OFF): UITask::shutdown() writes the live trail
to /trail when the toggle is on and _trail.count() > 0. The count guard stops
an empty trail from wiping a previously saved one; it overwrites the same
/trail file the manual Trail > Save uses.

Schema bumped 0xC0DE001A -> 0xC0DE001B: append-only tail field with a load
clamp, so pre-0x1B saves default to off. sizeof(NodePrefs) is unchanged (the
byte fits existing padding after keyboard_type), so the tripwire assert stays
2496.

Builds green: WioTrackerL1_companion_solo_dual (RAM 69.9%, Flash 62.8%).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-07-05 22:21:42 +02:00
parent 046c2f258e
commit 9ee199e641
4 changed files with 34 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
examples/companion_radio/ui-new/TrailScreen.h
View File

@@ -72,7 +72,7 @@ class TrailScreen : public UIScreen {
// (Start/Stop tracking, Reset). PopupMenu stores label pointers verbatim, so
// the labels live in member buffers that get refreshed in openActionMenu()
// and after every LEFT/RIGHT cycle.
enum ActionId { ACT_MIN_DIST, ACT_UNITS, ACT_GRID, ACT_AUTOPAUSE, ACT_MARK_AVG, ACT_TOGGLE, ACT_SAVE, ACT_LOAD, ACT_RESET, ACT_EXPORT, ACT_EXPORT_SAVED, ACT_MARK, ACT_WAYPOINTS, ACT_FILE, ACT_SETTINGS,
enum ActionId { ACT_MIN_DIST, ACT_UNITS, ACT_GRID, ACT_AUTOPAUSE, ACT_MARK_AVG, ACT_AUTOSAVE, ACT_TOGGLE, ACT_SAVE, ACT_LOAD, ACT_RESET, ACT_EXPORT, ACT_EXPORT_SAVED, ACT_MARK, ACT_WAYPOINTS, ACT_FILE, ACT_SETTINGS,
ACT_SHARE_NOW, ACT_TRACKBACK };
// The action popup is multi-level: a short main menu, plus "Trail file…" and
// "Settings…" submenus. _menu_level tracks which is open so input is routed
@@ -89,6 +89,7 @@ class TrailScreen : public UIScreen {
char _act_grid_label[16];
char _act_autopause_label[24];
char _act_mark_avg_label[24];
char _act_autosave_label[24];
char _act_toggle_label[20];
static const int SUMMARY_ITEM_COUNT = 5;
@@ -178,6 +179,7 @@ public:
case ACT_UNITS:
case ACT_GRID:
case ACT_MARK_AVG:
case ACT_AUTOSAVE:
case ACT_AUTOPAUSE: cycleSetting(act, 1); reopenSettingsAt(sel); return true;
case ACT_SHARE_NOW: shareMyLocationNow(); break;
case ACT_TOGGLE:
@@ -327,6 +329,8 @@ private:
"Auto-pause: %s", NodePrefs::trailAutoPauseLabel(p ? p->trail_autopause_idx : 0));
snprintf(_act_mark_avg_label, sizeof(_act_mark_avg_label),
"Mark avg: %s", NodePrefs::gpsAvgLabel(p ? p->gps_avg_idx : 0));
snprintf(_act_autosave_label, sizeof(_act_autosave_label),
"Auto-save: %s", (p && p->trail_autosave_lowbatt) ? "ON" : "OFF");
snprintf(_act_toggle_label, sizeof(_act_toggle_label),
"%s tracking", _store->isActive() ? "Stop" : "Start");
}
@@ -394,6 +398,7 @@ private:
pushAction(ACT_MIN_DIST, _act_min_dist_label);
pushAction(ACT_AUTOPAUSE, _act_autopause_label);
pushAction(ACT_MARK_AVG, _act_mark_avg_label);
pushAction(ACT_AUTOSAVE, _act_autosave_label);
if (_view == V_SUMMARY) pushAction(ACT_UNITS, _act_units_label);
if (_view == V_MAP) pushAction(ACT_GRID, _act_grid_label);
}
@@ -406,6 +411,7 @@ private:
if (act == ACT_GRID) { _map_grid = !_map_grid; refreshActionLabels(); return true; }
if (act == ACT_AUTOPAUSE && p){ cycleAutoPause(p, dir); _cfg_dirty = true; refreshActionLabels(); return true; }
if (act == ACT_MARK_AVG && p){ cycleMarkAvg(p, dir); _cfg_dirty = true; refreshActionLabels(); return true; }
if (act == ACT_AUTOSAVE && p){ p->trail_autosave_lowbatt = !p->trail_autosave_lowbatt; _cfg_dirty = true; refreshActionLabels(); return true; }
return false;
}