snark13/Xteink-X4-crosspoint-reader
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feat: keep power button duration in RTC

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Arthur Tazhitdinov 2026-01-20 12:44:53 +05:00
parent 6d68466891
commit a87cd9ed72
1 changed files with 14 additions and 15 deletions
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29
src/main.cpp
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@ -43,6 +43,8 @@ MappedInputManager mappedInputManager(inputManager);
GfxRenderer renderer(einkDisplay);
Activity* currentActivity;
RTC_DATA_ATTR uint16_t rtcPowerButtonDurationMs = 400;
// Fonts
EpdFont bookerly14RegularFont(&bookerly_14_regular);
EpdFont bookerly14BoldFont(&bookerly_14_bold);
@ -151,15 +153,10 @@ void enterNewActivity(Activity* activity) {
// Verify long press on wake-up from deep sleep
void verifyWakeupLongPress() {
// Give the user up to 1000ms to start holding the power button, and must hold for SETTINGS.getPowerButtonDuration()
// Give the user up to 1000ms to start holding the power button, and must hold for the configured duration
const auto start = millis();
bool abort = false;
// Subtract the current time, because inputManager only starts counting the HeldTime from the first update()
// This way, we remove the time we already took to reach here from the duration,
// assuming the button was held until now from millis()==0 (i.e. device start time).
const uint16_t calibration = start;
const uint16_t calibratedPressDuration =
(calibration < SETTINGS.getPowerButtonDuration()) ? SETTINGS.getPowerButtonDuration() - calibration : 1;
const uint16_t requiredPressDuration = rtcPowerButtonDurationMs;
inputManager.update();
// Verify the user has actually pressed
@ -173,8 +170,8 @@ void verifyWakeupLongPress() {
do {
delay(10);
inputManager.update();
} while (inputManager.isPressed(InputManager::BTN_POWER) && inputManager.getHeldTime() < calibratedPressDuration);
abort = inputManager.getHeldTime() < calibratedPressDuration;
} while (inputManager.isPressed(InputManager::BTN_POWER) && inputManager.getHeldTime() <= requiredPressDuration);
abort = inputManager.getHeldTime() <= requiredPressDuration;
} else {
abort = true;
}
@ -200,6 +197,8 @@ void enterDeepSleep() {
exitActivity();
enterNewActivity(new SleepActivity(renderer, mappedInputManager));
rtcPowerButtonDurationMs = SETTINGS.getPowerButtonDuration();
einkDisplay.deepSleep();
Serial.printf("[%lu] [ ] Power button press calibration value: %lu ms\n", millis(), t2 - t1);
Serial.printf("[%lu] [ ] Entering deep sleep.\n", millis());
@ -273,6 +272,10 @@ void setup() {
}
inputManager.begin();
verifyWakeupLongPress();
Serial.printf("[%lu] [ ] Starting CrossPoint version " CROSSPOINT_VERSION "\n", millis());
// Initialize pins
pinMode(BAT_GPIO0, INPUT);
@ -290,14 +293,10 @@ void setup() {
}
SETTINGS.loadFromFile();
rtcPowerButtonDurationMs = SETTINGS.getPowerButtonDuration();
KOREADER_STORE.loadFromFile();
// verify power button press duration after we've read settings.
verifyWakeupLongPress();
// First serial output only here to avoid timing inconsistencies for power button press duration verification
Serial.printf("[%lu] [ ] Starting CrossPoint version " CROSSPOINT_VERSION "\n", millis());
setupDisplayAndFonts();
exitActivity();