snark13/Xteink-X4-crosspoint-reader
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fix: don't wake up after USB connect (#644)

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## Summary

* fixes problem that if short power button press is enabled, connecting
device to usb leads to waking up
This commit is contained in:
Arthur Tazhitdinov 2026-02-01 16:19:33 +05:00 committed by Luke Stein
parent 6228a9f14c
commit cc2f125809
3 changed files with 35 additions and 13 deletions
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21
lib/hal/HalGPIO.cpp
View File

@ -24,12 +24,13 @@ bool HalGPIO::wasAnyReleased() const { return inputMgr.wasAnyReleased(); }
unsigned long HalGPIO::getHeldTime() const { return inputMgr.getHeldTime(); } unsigned long HalGPIO::getHeldTime() const { return inputMgr.getHeldTime(); }
void HalGPIO::startDeepSleep() { void HalGPIO::startDeepSleep() {
esp_deep_sleep_enable_gpio_wakeup(1ULL << InputManager::POWER_BUTTON_PIN, ESP_GPIO_WAKEUP_GPIO_LOW);
// Ensure that the power button has been released to avoid immediately turning back on if you're holding it // Ensure that the power button has been released to avoid immediately turning back on if you're holding it
while (inputMgr.isPressed(BTN_POWER)) { while (inputMgr.isPressed(BTN_POWER)) {
delay(50); delay(50);
inputMgr.update(); inputMgr.update();
} }
// Arm the wakeup trigger *after* the button is released
esp_deep_sleep_enable_gpio_wakeup(1ULL << InputManager::POWER_BUTTON_PIN, ESP_GPIO_WAKEUP_GPIO_LOW);
// Enter Deep Sleep // Enter Deep Sleep
esp_deep_sleep_start(); esp_deep_sleep_start();
} }
@ -44,12 +45,20 @@ bool HalGPIO::isUsbConnected() const {
return digitalRead(UART0_RXD) == HIGH; return digitalRead(UART0_RXD) == HIGH;
} }
bool HalGPIO::isWakeupByPowerButton() const { HalGPIO::WakeupReason HalGPIO::getWakeupReason() const {
const bool usbConnected = isUsbConnected();
const auto wakeupCause = esp_sleep_get_wakeup_cause(); const auto wakeupCause = esp_sleep_get_wakeup_cause();
const auto resetReason = esp_reset_reason(); const auto resetReason = esp_reset_reason();
if (isUsbConnected()) {
return wakeupCause == ESP_SLEEP_WAKEUP_GPIO; if ((wakeupCause == ESP_SLEEP_WAKEUP_UNDEFINED && resetReason == ESP_RST_POWERON && !usbConnected) ||
} else { (wakeupCause == ESP_SLEEP_WAKEUP_GPIO && resetReason == ESP_RST_DEEPSLEEP && usbConnected)) {
return (wakeupCause == ESP_SLEEP_WAKEUP_UNDEFINED) && (resetReason == ESP_RST_POWERON); return WakeupReason::PowerButton;
} }
if (wakeupCause == ESP_SLEEP_WAKEUP_UNDEFINED && resetReason == ESP_RST_UNKNOWN && usbConnected) {
return WakeupReason::AfterFlash;
}
if (wakeupCause == ESP_SLEEP_WAKEUP_UNDEFINED && resetReason == ESP_RST_POWERON && usbConnected) {
return WakeupReason::AfterUSBPower;
}
return WakeupReason::Other;
} }

5
lib/hal/HalGPIO.h
View File

@ -47,8 +47,9 @@ class HalGPIO {
// Check if USB is connected // Check if USB is connected
bool isUsbConnected() const; bool isUsbConnected() const;
// Check if wakeup was caused by power button press enum class WakeupReason { PowerButton, AfterFlash, AfterUSBPower, Other };
bool isWakeupByPowerButton() const;
WakeupReason getWakeupReason() const;
// Button indices // Button indices
static constexpr uint8_t BTN_BACK = 0; static constexpr uint8_t BTN_BACK = 0;

20
src/main.cpp
View File

@ -294,10 +294,22 @@ void setup() {
SETTINGS.loadFromFile(); SETTINGS.loadFromFile();
KOREADER_STORE.loadFromFile(); KOREADER_STORE.loadFromFile();
if (gpio.isWakeupByPowerButton()) { switch (gpio.getWakeupReason()) {
// For normal wakeups, verify power button press duration case HalGPIO::WakeupReason::PowerButton:
Serial.printf("[%lu] [ ] Verifying power button press duration\n", millis()); // For normal wakeups, verify power button press duration
verifyPowerButtonDuration(); Serial.printf("[%lu] [ ] Verifying power button press duration\n", millis());
verifyPowerButtonDuration();
break;
case HalGPIO::WakeupReason::AfterUSBPower:
// If USB power caused a cold boot, go back to sleep
Serial.printf("[%lu] [ ] Wakeup reason: After USB Power\n", millis());
gpio.startDeepSleep();
break;
case HalGPIO::WakeupReason::AfterFlash:
// After flashing, just proceed to boot
case HalGPIO::WakeupReason::Other:
default:
break;
} }
// First serial output only here to avoid timing inconsistencies for power button press duration verification // First serial output only here to avoid timing inconsistencies for power button press duration verification