display优先级调为最低，避免滚动字幕消耗过多CPU

main/application.cc

@@ -353,7 +353,7 @@ void Application::Start() {
         Application* app = (Application*)arg;
         app->MainLoop();
         vTaskDelete(NULL);
-    }, "main_loop", 4096 * 2, this, 2, nullptr);
+    }, "main_loop", 4096 * 2, this, 3, nullptr);
 
     /* Wait for the network to be ready */
     board.StartNetwork();
@@ -468,7 +468,7 @@ void Application::Start() {
         Application* app = (Application*)arg;
         app->CheckNewVersion();
         vTaskDelete(NULL);
-    }, "check_new_version", 4096 * 2, this, 1, nullptr);
+    }, "check_new_version", 4096 * 2, this, 2, nullptr);
 
 #if CONFIG_USE_AUDIO_PROCESSOR
     audio_processor_.Initialize(codec->input_channels(), codec->input_reference());

main/audio_processing/audio_processor.cc

@@ -53,7 +53,7 @@ void AudioProcessor::Initialize(int channels, bool reference) {
         auto this_ = (AudioProcessor*)arg;
         this_->AudioProcessorTask();
         vTaskDelete(NULL);
-    }, "audio_communication", 4096 * 2, this, 1, NULL);
+    }, "audio_communication", 4096 * 2, this, 2, NULL);
 }
 
 AudioProcessor::~AudioProcessor() {

main/audio_processing/wake_word_detect.cc

@@ -88,7 +88,7 @@ void WakeWordDetect::Initialize(int channels, bool reference) {
         auto this_ = (WakeWordDetect*)arg;
         this_->AudioDetectionTask();
         vTaskDelete(NULL);
-    }, "audio_detection", 4096 * 2, this, 1, nullptr);
+    }, "audio_detection", 4096 * 2, this, 2, nullptr);
 }
 
 void WakeWordDetect::OnWakeWordDetected(std::function<void(const std::string& wake_word)> callback) {
@@ -202,7 +202,7 @@ void WakeWordDetect::EncodeWakeWordData() {
             this_->wake_word_cv_.notify_all();
         }
         vTaskDelete(NULL);
-    }, "encode_detect_packets", 4096 * 8, this, 1, wake_word_encode_task_stack_, &wake_word_encode_task_buffer_);
+    }, "encode_detect_packets", 4096 * 8, this, 2, wake_word_encode_task_stack_, &wake_word_encode_task_buffer_);
 }
 
 bool WakeWordDetect::GetWakeWordOpus(std::vector<uint8_t>& opus) {

main/background_task.cc

@@ -1,6 +1,7 @@
 #include "background_task.h"
 
 #include <esp_log.h>
+#include <esp_task_wdt.h>
 
 #define TAG "BackgroundTask"
 
@@ -8,7 +9,7 @@ BackgroundTask::BackgroundTask(uint32_t stack_size) {
     xTaskCreate([](void* arg) {
         BackgroundTask* task = (BackgroundTask*)arg;
         task->BackgroundTaskLoop();
-    }, "background_task", stack_size, this, 1, &background_task_handle_);
+    }, "background_task", stack_size, this, 2, &background_task_handle_);
 }
 
 BackgroundTask::~BackgroundTask() {

main/display/ssd1306_display.cc

@@ -20,6 +20,7 @@ Ssd1306Display::Ssd1306Display(void* i2c_master_handle, int width, int height, b
 
     ESP_LOGI(TAG, "Initialize LVGL");
     lvgl_port_cfg_t port_cfg = ESP_LVGL_PORT_INIT_CONFIG();
+    port_cfg.task_priority = 1;
     lvgl_port_init(&port_cfg);
 
     // SSD1306 config