没有唤醒词的板子可以开启Auto Light Sleep，待机40~50mA

main/display/display.cc

@@ -45,6 +45,9 @@ Display::Display() {
     };
     ESP_ERROR_CHECK(esp_timer_create(&update_display_timer_args, &update_timer_));
     ESP_ERROR_CHECK(esp_timer_start_periodic(update_timer_, 1000000));
+
+    // Create a power management lock
+    ESP_ERROR_CHECK(esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "ml307", &pm_lock_));
 }
 
 Display::~Display() {
@@ -65,6 +68,10 @@ Display::~Display() {
         lv_obj_del(battery_label_);
         lv_obj_del(emotion_label_);
     }
+
+    if (pm_lock_ != nullptr) {
+        esp_pm_lock_delete(pm_lock_);
+    }
 }
 
 void Display::SetStatus(const char* status) {
@@ -114,6 +121,7 @@ void Display::Update() {
         }
     }
 
+    esp_pm_lock_acquire(pm_lock_);
     // 更新电池图标
     int battery_level;
     bool charging;
@@ -149,12 +157,14 @@ void Display::Update() {
     };
     if (std::find(allowed_states.begin(), allowed_states.end(), device_state) != allowed_states.end()) {
         icon = board.GetNetworkStateIcon();
-        if (network_label_ != nullptr && network_icon_ != icon) {
+        if (network_label_ != nullptr && icon != nullptr && network_icon_ != icon) {
             DisplayLockGuard lock(this);
             network_icon_ = icon;
             lv_label_set_text(network_label_, network_icon_);
         }
     }
+
+    esp_pm_lock_release(pm_lock_);
 }
 
 

main/display/display.h

@@ -4,6 +4,7 @@
 #include <lvgl.h>
 #include <esp_timer.h>
 #include <esp_log.h>
+#include <esp_pm.h>
 
 #include <string>
 
@@ -35,6 +36,8 @@ protected:
     int height_ = 0;
     uint8_t brightness_ = 0;
 
+    
+    esp_pm_lock_handle_t pm_lock_ = nullptr;
     lv_display_t *display_ = nullptr;
 
     lv_obj_t *emotion_label_ = nullptr;