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idle: add IDLE_SLEEP_WHEN_CHARGING and IDLE_WAKE_ON_TOUCH

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Addresses review feedback on #24:

- New config IDLE_SLEEP_WHEN_CHARGING (default false): while USB is
  plugged in we don't enter sleep and we wake immediately if power
  comes back. Covers both "I like watching Clawd animations on my
  plugged-in desk device" and "alternative hardware without a battery
  is always on USB, sleep would be odd."

- New config IDLE_WAKE_ON_TOUCH (default true): a touch on the dark
  panel wakes the device. The first touch is swallowed (mirrors the
  button wake-consumption), so tapping a dark screen wakes without
  also toggling splash<->usage. Set false to keep the original
  pets/sleeves-safe behaviour where touch is fully ignored while
  asleep.

power.{h,cpp} grow a power_is_vbus_in() helper backed by
pmu.isVbusIn() — distinct from isCharging() so the no-battery case
("plugged in, nothing to charge") is detected correctly.
This commit is contained in:
tobby168
2026-05-19 20:39:03 -07:00
parent 6655b0f6d0
commit e0829cebdf
5 changed files with 60 additions and 4 deletions
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firmware/src/main.cpp
+29 -4
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@@ -55,10 +55,35 @@ static void touch_read() {
touch_pressed = false;
}
// Touch never counts as user activity and is fully swallowed while the
// panel is dark — avoids accidental wakes and prevents LVGL from secretly
// toggling splash<->usage behind a black screen.
if (idle_is_asleep()) touch_pressed = false;
// Touch policy is driven by IDLE_WAKE_ON_TOUCH:
// true → a press edge while asleep wakes the device and the first
// touch is swallowed (mirrors the button wake-consumption); a
// press while awake counts as activity.
// false → touch never counts as activity and is fully swallowed while
// the panel is dark, so pets/sleeves can't wake it overnight
// and LVGL can't quietly toggle splash<->usage on a black panel.
if (IDLE_WAKE_ON_TOUCH) {
static bool touch_was = false;
static bool touch_wake_swallowed = false;
bool touch_now = touch_pressed;
if (touch_now && !touch_was) {
if (idle_consume_wake_press()) {
touch_wake_swallowed = true;
touch_pressed = false; // hide this press from LVGL
}
} else if (!touch_now && touch_was) {
if (touch_wake_swallowed) {
touch_wake_swallowed = false;
touch_pressed = false; // also hide the corresponding release
}
} else if (touch_now && touch_wake_swallowed) {
// Held finger through wake — keep hiding until release.
touch_pressed = false;
}
touch_was = touch_now;
} else {
if (idle_is_asleep()) touch_pressed = false;
}
}
// ---- LVGL draw buffers (PSRAM-backed, partial render) ----