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feat(l1): messages kept on flash across a power-off, and "Powered off" on e-ink

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Settings > Messages > Keep messages (Off, 500, 1000, 2500 in all; off by
default; HIST_FLASH, ui-core/HistoryLog.h). Two append-only logs on the QSPI
flash, channels and DMs, restored into the RAM rings at the start. A batch is
written a minute after the first unsaved change and at shutdown, as the L1's
power switch gives no warning. Each segment has a directory of its own: a
LittleFS 1.x commit erases one of a directory's two fixed blocks every time.

E-ink panels keep their last frame, so a shutdown now leaves "Powered off" on
it and puts the controller into deep sleep.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jakub
2026-10-30 09:46:43 +01:00
co-authored by Claude Opus 5.5
parent 751cbc1e79
commit bf7b262645
17 changed files with 407 additions and 13 deletions
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examples/companion_radio/DataStore.cpp
+1
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@@ -348,6 +348,7 @@ static void sanitize(NodePrefs& p) {
if (p.favourite_kinds[i] > NodePrefs::FAV_KIND_MAX) p.favourite_kinds[i] = NodePrefs::FAV_KIND_CONTACT;
flag(p.fav_sort, 1);
flag(p.msg_wake, 1);
if (p.msg_keep >= NodePrefs::MSG_KEEP_COUNT) p.msg_keep = 0;
if (p.contact_expiry_idx >= NodePrefs::CONTACT_EXPIRY_COUNT) p.contact_expiry_idx = 0;
if (p.dst_rule >= NodePrefs::DST_COUNT) p.dst_rule = NodePrefs::DST_OFF;
if (p.display_brightness_pct > 100) p.display_brightness_pct = 0;