feat: Use BOOT button to enter audio testing state when Wi-Fi configuring

main/application.cc

@@ -45,6 +45,7 @@ static const char* const STATE_STRINGS[] = {
     "speaking",
     "upgrading",
     "activating",
+    "audio_testing",
     "fatal_error",
     "invalid_state"
 };
@@ -290,10 +291,31 @@ void Application::PlaySound(const std::string_view& sound) {
     }
 }
 
+void Application::EnterAudioTestingMode() {
+    ESP_LOGI(TAG, "Entering audio testing mode");
+    ResetDecoder();
+    SetDeviceState(kDeviceStateAudioTesting);
+}
+
+void Application::ExitAudioTestingMode() {
+    ESP_LOGI(TAG, "Exiting audio testing mode");
+    SetDeviceState(kDeviceStateWifiConfiguring);
+    // Copy audio_testing_queue_ to audio_decode_queue_
+    std::lock_guard<std::mutex> lock(mutex_);
+    audio_decode_queue_ = std::move(audio_testing_queue_);
+    audio_decode_cv_.notify_all();
+}
+
 void Application::ToggleChatState() {
     if (device_state_ == kDeviceStateActivating) {
         SetDeviceState(kDeviceStateIdle);
         return;
+    } else if (device_state_ == kDeviceStateWifiConfiguring) {
+        EnterAudioTestingMode();
+        return;
+    } else if (device_state_ == kDeviceStateAudioTesting) {
+        ExitAudioTestingMode();
+        return;
     }
 
     if (!protocol_) {
@@ -327,6 +349,9 @@ void Application::StartListening() {
     if (device_state_ == kDeviceStateActivating) {
         SetDeviceState(kDeviceStateIdle);
         return;
+    } else if (device_state_ == kDeviceStateWifiConfiguring) {
+        EnterAudioTestingMode();
+        return;
     }
 
     if (!protocol_) {
@@ -354,6 +379,11 @@ void Application::StartListening() {
 }
 
 void Application::StopListening() {
+    if (device_state_ == kDeviceStateAudioTesting) {
+        ExitAudioTestingMode();
+        return;
+    }
+
     const std::array<int, 3> valid_states = {
         kDeviceStateListening,
         kDeviceStateSpeaking,
@@ -824,6 +854,28 @@ void Application::OnAudioOutput() {
 }
 
 void Application::OnAudioInput() {
+    if (device_state_ == kDeviceStateAudioTesting) {
+        if (audio_testing_queue_.size() >= AUDIO_TESTING_MAX_DURATION_MS / OPUS_FRAME_DURATION_MS) {
+            ExitAudioTestingMode();
+            return;
+        }
+        std::vector<int16_t> data;
+        int samples = OPUS_FRAME_DURATION_MS * 16000 / 1000;
+        if (ReadAudio(data, 16000, samples)) {
+            background_task_->Schedule([this, data = std::move(data)]() mutable {
+                opus_encoder_->Encode(std::move(data), [this](std::vector<uint8_t>&& opus) {
+                    AudioStreamPacket packet;
+                    packet.payload = std::move(opus);
+                    packet.frame_duration = OPUS_FRAME_DURATION_MS;
+                    packet.sample_rate = 16000;
+                    std::lock_guard<std::mutex> lock(mutex_);
+                    audio_testing_queue_.push_back(std::move(packet));
+                });
+            });
+            return;
+        }
+    }
+
     if (wake_word_->IsDetectionRunning()) {
         std::vector<int16_t> data;
         int samples = wake_word_->GetFeedSize();
@@ -834,6 +886,7 @@ void Application::OnAudioInput() {
             }
         }
     }
+
     if (audio_processor_->IsRunning()) {
         std::vector<int16_t> data;
         int samples = audio_processor_->GetFeedSize();

main/application.h

@@ -44,11 +44,13 @@ enum DeviceState {
     kDeviceStateSpeaking,
     kDeviceStateUpgrading,
     kDeviceStateActivating,
+    kDeviceStateAudioTesting,
     kDeviceStateFatalError
 };
 
 #define OPUS_FRAME_DURATION_MS 60
 #define MAX_AUDIO_PACKETS_IN_QUEUE (2400 / OPUS_FRAME_DURATION_MS)
+#define AUDIO_TESTING_MAX_DURATION_MS 10000
 
 class Application {
 public:
@@ -111,6 +113,7 @@ private:
     std::list<AudioStreamPacket> audio_send_queue_;
     std::list<AudioStreamPacket> audio_decode_queue_;
     std::condition_variable audio_decode_cv_;
+    std::list<AudioStreamPacket> audio_testing_queue_;
 
     // 新增：用于维护音频包的timestamp队列
     std::list<uint32_t> timestamp_queue_;
@@ -134,6 +137,8 @@ private:
     void OnClockTimer();
     void SetListeningMode(ListeningMode mode);
     void AudioLoop();
+    void EnterAudioTestingMode();
+    void ExitAudioTestingMode();
 };
 
 #endif // _APPLICATION_H_

main/led/circular_strip.cc

@@ -205,7 +205,8 @@ void CircularStrip::OnStateChanged() {
             SetAllColor(color);
             break;
         }
-        case kDeviceStateListening: {
+        case kDeviceStateListening:
+        case kDeviceStateAudioTesting: {
             StripColor color = { default_brightness_, low_brightness_, low_brightness_ };
             SetAllColor(color);
             break;

main/led/gpio_led.cc

@@ -220,6 +220,7 @@ void GpioLed::OnStateChanged() {
             TurnOn();
             break;
         case kDeviceStateListening:
+        case kDeviceStateAudioTesting:
             if (app.IsVoiceDetected()) {
                 SetBrightness(HIGH_BRIGHTNESS);
             } else {

main/led/single_led.cc

@@ -136,6 +136,7 @@ void SingleLed::OnStateChanged() {
             TurnOn();
             break;
         case kDeviceStateListening:
+        case kDeviceStateAudioTesting:
             if (app.IsVoiceDetected()) {
                 SetColor(HIGH_BRIGHTNESS, 0, 0);
             } else {