snark13/Xteink-X4-crosspoint-reader
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Fix hold to wake logic

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esp_sleep_get_wakeup_cause does not seem to be set when not connected to USB power
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Dave Allie 2025-12-04 00:57:32 +11:00
parent 2f9f86b3dd
commit ddec7f78dd
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GPG Key ID: F2FDDB3AD8D0276F
1 changed files with 11 additions and 12 deletions
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21
src/main.cpp
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@ -34,7 +34,7 @@ CrossPointState* appState;
// Power button timing
// Time required to confirm boot from sleep
constexpr unsigned long POWER_BUTTON_WAKEUP_MS = 1500;
constexpr unsigned long POWER_BUTTON_WAKEUP_MS = 1000;
// Time required to enter sleep mode
constexpr unsigned long POWER_BUTTON_SLEEP_MS = 1000;
@ -65,9 +65,15 @@ void enterNewScreen(Screen* screen) {
// Verify long press on wake-up from deep sleep
void verifyWakeupLongPress() {
const auto input = getInput();
// Give the user up to 1000ms to start holding the power button, and must hold for POWER_BUTTON_WAKEUP_MS
const auto start = millis();
auto input = getInput();
while (input.button != POWER && millis() - start < 1000) {
delay(50);
input = getInput();
}
if (input.button == POWER && input.pressTime > POWER_BUTTON_WAKEUP_MS) {
if (input.button != POWER || input.pressTime < POWER_BUTTON_WAKEUP_MS) {
// Button released too early. Returning to sleep.
// IMPORTANT: Re-arm the wakeup trigger before sleeping again
esp_deep_sleep_enable_gpio_wakeup(1ULL << BTN_GPIO3, ESP_GPIO_WAKEUP_GPIO_LOW);
@ -80,7 +86,7 @@ void enterDeepSleep() {
enterNewScreen(new FullScreenMessageScreen(renderer, "Sleeping", true, false, true));
Serial.println("Power button released after a long press. Entering deep sleep.");
delay(2000); // Allow Serial buffer to empty and display to update
delay(1000); // Allow Serial buffer to empty and display to update
// Enable Wakeup on LOW (button press)
esp_deep_sleep_enable_gpio_wakeup(1ULL << BTN_GPIO3, ESP_GPIO_WAKEUP_GPIO_LOW);
@ -122,14 +128,7 @@ void onGoHome() { enterNewScreen(new FileSelectionScreen(renderer, onSelectEpubF
void setup() {
setupInputPinModes();
// Check if boot was triggered by the Power Button (Deep Sleep Wakeup)
// If triggered by RST pin or Battery insertion, this will be false, allowing
// normal boot.
if (esp_sleep_get_wakeup_cause() == ESP_SLEEP_WAKEUP_GPIO) {
verifyWakeupLongPress();
}
setupSerial();
// Initialize pins