t5s3 only lightsleep mode

examples/companion_radio/ui-new/UITask.cpp

@@ -18,6 +18,9 @@
 #if defined(WIFI_SSID) || defined(MECK_WIFI_COMPANION)
   #include <WiFi.h>
 #endif
+#if defined(LilyGo_T5S3_EPaper_Pro) && !defined(BLE_PIN_CODE) && !defined(MECK_WIFI_COMPANION)
+  #include "esp_sleep.h"
+#endif
 
 #ifndef AUTO_OFF_MILLIS
   #define AUTO_OFF_MILLIS     15000   // 15 seconds
@@ -1937,6 +1940,42 @@ if (curr) curr->poll();
   }
 #endif
 
+  // ── T5S3 standalone powersaving ──────────────────────────────────────────
+  // When locked with display off, enter ESP32 light sleep (~8 mA total).
+  // Radio stays in continuous RX — DIO1 going HIGH wakes the CPU instantly.
+  // Boot button (GPIO0 LOW) and a 30-min safety timer also wake.
+  // First sleep starts 60s after lock; subsequent cycles wake for 5s to let
+  // the mesh stack process/relay any received packet, then sleep again.
+#if defined(LilyGo_T5S3_EPaper_Pro) && !defined(BLE_PIN_CODE) && !defined(MECK_WIFI_COMPANION)
+  if (_locked && _display != NULL && !_display->isOn()) {
+    unsigned long now = millis();
+    if (now - _psLastActive >= _psNextSleepSecs * 1000UL) {
+      Serial.println("[POWERSAVE] Entering light sleep (locked+idle)");
+      board.sleep(1800);  // Light sleep up to 30 min
+      // ── CPU resumes here on wake ──
+      unsigned long wakeAt = millis();
+      _psLastActive = wakeAt;
+      _psNextSleepSecs = 5;  // Stay awake 5s for mesh processing
+
+      esp_sleep_wakeup_cause_t cause = esp_sleep_get_wakeup_cause();
+      if (cause == ESP_SLEEP_WAKEUP_GPIO) {
+        // Boot button pressed — unlock and return to normal use
+        Serial.println("[POWERSAVE] Woke by button — unlocking");
+        unlockScreen();
+        _psNextSleepSecs = 60;  // Reset to long delay after user interaction
+      } else if (cause == ESP_SLEEP_WAKEUP_EXT1) {
+        Serial.println("[POWERSAVE] Woke by LoRa packet");
+      } else if (cause == ESP_SLEEP_WAKEUP_TIMER) {
+        Serial.println("[POWERSAVE] Woke by timer");
+      }
+    }
+  } else if (!_locked) {
+    // Not locked — keep powersaving timer reset so first sleep is 60s after lock
+    _psLastActive = millis();
+    _psNextSleepSecs = 60;
+  }
+#endif
+
 #ifdef PIN_VIBRATION
   vibration.loop();
 #endif
@@ -2063,6 +2102,10 @@ void UITask::lockScreen() {
   _next_refresh = 0;  // Draw lock screen immediately
   _auto_off = millis() + 60000;  // 60s before display off while locked
   _lastLockRefresh = millis();   // Start 15-min clock refresh cycle
+#if defined(LilyGo_T5S3_EPaper_Pro) && !defined(BLE_PIN_CODE) && !defined(MECK_WIFI_COMPANION)
+  _psLastActive = millis();      // Start powersaving countdown (60s to first sleep)
+  _psNextSleepSecs = 60;
+#endif
   Serial.println("[UI] Screen locked — entering low-power mode");
 }
 

examples/companion_radio/ui-new/UITask.h

@@ -113,6 +113,13 @@ class UITask : public AbstractUITask {
   bool _vkbActive = false;
   UIScreen* _screenBeforeVKB = nullptr;
   unsigned long _vkbOpenedAt = 0;
+
+  // Powersaving: light sleep when locked + idle (standalone only — no BLE/WiFi)
+  // Wakes on LoRa packet (DIO1), boot button (GPIO0), or 30-min timer
+#if !defined(BLE_PIN_CODE) && !defined(MECK_WIFI_COMPANION)
+  unsigned long _psLastActive = 0;       // millis() at last wake or lock entry
+  unsigned long _psNextSleepSecs = 60;   // Seconds before first sleep (60s), then 5s cycles
+#endif
 #ifdef MECK_CARDKB
   bool _cardkbDetected = false;
 #endif

src/helpers/ESP32Board.h

@@ -10,6 +10,7 @@
 #include <Wire.h>
 #include "esp_wifi.h"
 #include "driver/rtc_io.h"
+#include "driver/gpio.h"
 
 class ESP32Board : public mesh::MainBoard {
 protected:
@@ -60,13 +61,20 @@ public:
 #if defined(CONFIG_IDF_TARGET_ESP32S3) && defined(P_LORA_DIO_1) // Supported ESP32 variants
     if (rtc_gpio_is_valid_gpio((gpio_num_t)P_LORA_DIO_1)) { // Only enter sleep mode if P_LORA_DIO_1 is RTC pin
       esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
-      esp_sleep_enable_ext1_wakeup((1L << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH); // To wake up when receiving a LoRa packet
+      esp_sleep_enable_ext1_wakeup((1ULL << P_LORA_DIO_1), ESP_EXT1_WAKEUP_ANY_HIGH); // Wake on LoRa packet
+
+      // T5S3: Also wake on boot button press (GPIO0, active LOW).
+      // gpio_wakeup uses level trigger — works for light sleep only.
+#if defined(LilyGo_T5S3_EPaper_Pro) && defined(PIN_USER_BTN)
+      gpio_wakeup_enable((gpio_num_t)PIN_USER_BTN, GPIO_INTR_LOW_LEVEL);
+      esp_sleep_enable_gpio_wakeup();
+#endif
 
       if (secs > 0) {
-        esp_sleep_enable_timer_wakeup(secs * 1000000); // To wake up every hour to do periodically jobs
+        esp_sleep_enable_timer_wakeup(secs * 1000000ULL); // Timer wake (microseconds)
       }
 
-      esp_light_sleep_start(); // CPU enters light sleep
+      esp_light_sleep_start(); // CPU halts here, resumes on wake
     }
 #endif
   }
@@ -154,4 +162,4 @@ public:
   }
 };
 
-#endif
+#endif