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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/NodePrefs.h
+9 -1
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@@ -330,6 +330,9 @@ struct NodePrefsFields {
// Settings > Display > "Msg wake": an incoming message turns the display on
// (UITask::newMsg()) if it was off and no companion app is already showing it.
uint8_t msg_wake; // 1=wake display for incoming msgs (default), 0=not
// Settings > Messages > Keep messages, boards with HIST_FLASH: how many
// messages in all stay on flash (index into msgKeepTotal(); 0 = off, none).
uint8_t msg_keep;
// ui-new's new-message alert: the banner from the top, an envelope with a
// count in the corner, or nothing (the sound and the wake still happen).
static const uint8_t MSG_ALERT_NORMAL = 0, MSG_ALERT_COMPACT = 1, MSG_ALERT_OFF = 2;
@@ -640,6 +643,11 @@ struct NodePrefsFields {
static const char* L[CONTACT_EXPIRY_COUNT] = { "Off", "7d", "30d", "90d" };
return L[idx < CONTACT_EXPIRY_COUNT ? idx : 0];
}
static const uint8_t MSG_KEEP_COUNT = 4;
static uint16_t msgKeepTotal(uint8_t idx) {
static const uint16_t N[MSG_KEEP_COUNT] = { 0, 500, 1000, 2500 };
return N[idx < MSG_KEEP_COUNT ? idx : 0];
}
// /prefs' layout (see the comment at the top). A file of another version
// isn't read: the defaults stand.
@@ -892,7 +900,7 @@ class NodePrefs : public NodePrefsFields, public ConfigSerializer {
s.def("dm_all", dm_show_all); s.def("room_fav", room_fav_only);
s.hex("ch_fav", ch_fav_bitmask); s.def("ch_fav_only", ch_fav_only);
s.hex("favs", favourite_contacts); s.hex("fav_kinds", favourite_kinds);
s.def("fav_sort", fav_sort); s.def("expiry", contact_expiry_idx);
s.def("fav_sort", fav_sort); s.def("expiry", contact_expiry_idx); s.def("msg_keep", msg_keep);
}
void gpioSolo(Section& s) {
s.def("m1", gpio1_mode); s.def("m2", gpio2_mode); s.def("m3", gpio3_mode); s.def("m4", gpio4_mode);