Add lower limit to audio

main/audio_codecs/audio_codec.cc

@@ -57,6 +57,10 @@ IRAM_ATTR bool AudioCodec::on_recv(i2s_chan_handle_t handle, i2s_event_data_t *e
 void AudioCodec::Start() {
     Settings settings("audio", false);
     output_volume_ = settings.GetInt("output_volume", output_volume_);
+    if (output_volume_ <= 0) {
+        ESP_LOGW(TAG, "Output volume value (%d) is too small, setting to default (10)", output_volume_);
+        output_volume_ = 10;
+    }
 
     // 注册音频数据回调
     i2s_event_callbacks_t rx_callbacks = {};
@@ -72,6 +76,7 @@ void AudioCodec::Start() {
 
     EnableInput(true);
     EnableOutput(true);
+    ESP_LOGI(TAG, "Audio codec started");
 }
 
 void AudioCodec::SetOutputVolume(int volume) {

main/boards/common/backlight.cc

@@ -36,7 +36,7 @@ void Backlight::RestoreBrightness() {
     
     // 检查亮度值是否为0或过小，设置默认值
     if (saved_brightness <= 0) {
-        ESP_LOGW(TAG, "Invalid brightness value (%d), setting to default", saved_brightness);
+        ESP_LOGW(TAG, "Brightness value (%d) is too small, setting to default (10)", saved_brightness);
         saved_brightness = 10;  // 设置一个较低的默认值
     }
     

main/display/lcd_display.h

@@ -22,7 +22,7 @@ protected:
 
     DisplayFonts fonts_;
 
-    virtual void SetupUI();
+    void SetupUI();
     virtual bool Lock(int timeout_ms = 0) override;
     virtual void Unlock() override;