Upgrade Korvo2 BSP for voice_agent example (#29)

* Upgrade to latest Korvo2 BSP
* Update BSP usage

Author: ladvoc

examples/voice_agent/main/board.c

@@ -17,8 +17,6 @@ void board_init()
     // Initialize board support package and LEDs
     bsp_i2c_init();
     bsp_leds_init();
-    bsp_led_set(BSP_LED_RED, true);
-    bsp_led_set(BSP_LED_BLUE, true);
 
     // Initialize temperature sensor
     temperature_sensor_config_t temp_sensor_config = TEMPERATURE_SENSOR_CONFIG_DEFAULT(10, 50);

examples/voice_agent/main/example.c

@@ -65,20 +65,21 @@ static void set_led_state(const livekit_rpc_invocation_t* invocation, void* ctx)
         }
 
         const char *color = color_entry->valuestring;
+
         bool state = cJSON_IsTrue(state_entry);
 
         bsp_led_t led;
         if (strncmp(color, "red", 3) == 0) {
-            led = BSP_LED_RED;
-        } else if (strncmp(color, "blue", 4) == 0) {
+            // TODO: there is a bug in the Korvo2 BSP which causes the LED pins to be swapped
+            // (i.e., blue is mapped to red and red is mapped to blue): https://github.com/espressif/esp-bsp/pull/632
             led = BSP_LED_BLUE;
+        } else if (strncmp(color, "blue", 4) == 0) {
+            led = BSP_LED_RED;
         } else {
             error = "Unsupported color";
             break;
         }
-        // There is a known bug in the BSP component, so we need to invert the state for now.
-        // See https://github.com/espressif/esp-bsp/pull/610.
-        if (bsp_led_set(led, !state) != ESP_OK) {
+        if (bsp_led_set(led, state) != ESP_OK) {
             error = "Failed to set LED state";
             break;
         }

examples/voice_agent/main/idf_component.yml

@@ -6,8 +6,7 @@ dependencies:
     path: ../../../components/third_party/esp-webrtc-solution/components/codec_board
   # Eventually, the BSP will perform all the functions of the codec_board component.
   # It currently is used because codec_board is required to support AEC.
-  esp32_s3_korvo_2:
-    version: ">=0.1"
+  esp32_s3_korvo_2: "4.1.0"
   render_impl:
     path: ../../../components/third_party/esp-webrtc-solution/components/av_render/render_impl
   livekit_sandbox: