add IoT led control to kevin c3

main/boards/kevin-c3/kevin_c3_board.cc

@@ -5,6 +5,7 @@
 #include "config.h"
 #include "iot/thing_manager.h"
 #include "led/circular_strip.h"
+#include "led_strip_control.h"
 
 #include <wifi_station.h>
 #include <esp_log.h>
@@ -17,6 +18,7 @@ class KevinBoxBoard : public WifiBoard {
 private:
     i2c_master_bus_handle_t codec_i2c_bus_;
     Button boot_button_;
+    CircularStrip* led_strip_;
 
     void InitializeCodecI2c() {
         // Initialize I2C peripheral
@@ -54,6 +56,10 @@ private:
     void InitializeIot() {
         auto& thing_manager = iot::ThingManager::GetInstance();
         thing_manager.AddThing(iot::CreateThing("Speaker"));
+
+        led_strip_ = new CircularStrip(BUILTIN_LED_GPIO, 8);
+        auto led_strip_control = new LedStripControl(led_strip_);
+        thing_manager.AddThing(led_strip_control);
     }
 
 public:
@@ -67,8 +73,7 @@ public:
     }
 
     virtual Led* GetLed() override {
-        static CircularStrip led(BUILTIN_LED_GPIO, 8);
+        return led_strip_;
-        return &led;
     }
 
     virtual AudioCodec* GetAudioCodec() override {

main/boards/kevin-c3/led_strip_control.cc

@@ -0,0 +1,123 @@
+#include "led_strip_control.h"
+#include "settings.h"
+#include <esp_log.h>
+
+#define TAG "LedStripControl"
+
+
+int LedStripControl::LevelToBrightness(int level) const {
+    if (level < 0) level = 0;
+    if (level > 8) level = 8;
+    return (1 << level) - 1;  // 2^n - 1
+}
+
+StripColor LedStripControl::RGBToColor(int red, int green, int blue) {
+    if (red < 0) red = 0;
+    if (red > 255) red = 255;
+    if (green < 0) green = 0;
+    if (green > 255) green = 255;
+    if (blue < 0) blue = 0;
+    if (blue > 255) blue = 255;
+    return {static_cast<uint8_t>(red), static_cast<uint8_t>(green), static_cast<uint8_t>(blue)};
+}
+
+LedStripControl::LedStripControl(CircularStrip* led_strip) 
+    : Thing("LedStripControl", "LED 灯带控制，一共有8个灯珠"), led_strip_(led_strip) {
+    // 从设置中读取亮度等级
+    Settings settings("led_strip");
+    brightness_level_ = settings.GetInt("brightness", 4);  // 默认等级4
+    led_strip_->SetBrightness(LevelToBrightness(brightness_level_), 4);
+
+    // 定义设备的属性
+    properties_.AddNumberProperty("brightness", "对话时的亮度等级(0-8)", [this]() -> int {
+        return brightness_level_;
+    });
+
+    // 定义设备可以被远程执行的指令
+    methods_.AddMethod("SetBrightness", "设置对话时的亮度等级", ParameterList({
+        Parameter("level", "亮度等级(0-8)", kValueTypeNumber, true)
+    }), [this](const ParameterList& parameters) {
+        int level = static_cast<int>(parameters["level"].number());
+        ESP_LOGI(TAG, "Set LedStrip brightness level to %d", level);
+        
+        if (level < 0) level = 0;
+        if (level > 8) level = 8;
+        
+        brightness_level_ = level;
+        led_strip_->SetBrightness(LevelToBrightness(brightness_level_), 4);
+        
+        // 保存设置
+        Settings settings("led_strip", true);
+        settings.SetInt("brightness", brightness_level_);
+    });
+
+    methods_.AddMethod("SetSingleColor", "设置单个灯颜色", ParameterList({
+        Parameter("index", "灯珠索引（0-7）", kValueTypeNumber, true),
+        Parameter("red", "红色（0-255）", kValueTypeNumber, true),
+        Parameter("green", "绿色（0-255）", kValueTypeNumber, true),
+        Parameter("blue", "蓝色（0-255）", kValueTypeNumber, true)
+    }), [this](const ParameterList& parameters) {
+        int index = parameters["index"].number();
+        StripColor color = RGBToColor(
+            parameters["red"].number(),
+            parameters["green"].number(),
+            parameters["blue"].number()
+        );
+        ESP_LOGI(TAG, "Set led strip single color %d to %d, %d, %d",
+            index, color.red, color.green, color.blue);
+        led_strip_->SetSingleColor(index, color);
+    });
+
+    methods_.AddMethod("SetAllColor", "设置所有灯颜色", ParameterList({
+        Parameter("red", "红色（0-255）", kValueTypeNumber, true),
+        Parameter("green", "绿色（0-255）", kValueTypeNumber, true),
+        Parameter("blue", "蓝色（0-255）", kValueTypeNumber, true)
+    }), [this](const ParameterList& parameters) {
+        StripColor color = RGBToColor(
+            parameters["red"].number(),
+            parameters["green"].number(),
+            parameters["blue"].number()
+        );
+        ESP_LOGI(TAG, "Set led strip color to %d, %d, %d",
+            color.red, color.green, color.blue
+        );
+        led_strip_->SetAllColor(color);
+    });
+
+    methods_.AddMethod("Blink", "闪烁动画", ParameterList({
+        Parameter("red", "红色（0-255）", kValueTypeNumber, true),
+        Parameter("green", "绿色（0-255）", kValueTypeNumber, true),
+        Parameter("blue", "蓝色（0-255）", kValueTypeNumber, true),
+        Parameter("interval", "间隔(ms)", kValueTypeNumber, true)
+    }), [this](const ParameterList& parameters) {
+        int interval = parameters["interval"].number();
+        StripColor color = RGBToColor(
+            parameters["red"].number(),
+            parameters["green"].number(),
+            parameters["blue"].number()
+        );
+        ESP_LOGI(TAG, "Blink led strip with color %d, %d, %d, interval %dms",
+            color.red, color.green, color.blue, interval);
+        led_strip_->Blink(color, interval);
+    });
+
+    methods_.AddMethod("Scroll", "跑马灯动画", ParameterList({
+        Parameter("red", "红色（0-255）", kValueTypeNumber, true),
+        Parameter("green", "绿色（0-255）", kValueTypeNumber, true),
+        Parameter("blue", "蓝色（0-255）", kValueTypeNumber, true),
+        Parameter("length", "滚动条长度（1-7）", kValueTypeNumber, true),
+        Parameter("interval", "间隔(ms)", kValueTypeNumber, true)
+    }), [this](const ParameterList& parameters) {
+        int interval = parameters["interval"].number();
+        int length = parameters["length"].number();
+        StripColor low = RGBToColor(4, 4, 4);
+        StripColor high = RGBToColor(
+            parameters["red"].number(),
+            parameters["green"].number(),
+            parameters["blue"].number()
+        );
+        ESP_LOGI(TAG, "Scroll led strip with color %d, %d, %d, length %d, interval %dms",
+            high.red, high.green, high.blue, length, interval);
+        led_strip_->Scroll(low, high, length, interval);
+    });
+}

main/boards/kevin-c3/led_strip_control.h

@@ -0,0 +1,21 @@
+#ifndef LED_STRIP_CONTROL_H
+#define LED_STRIP_CONTROL_H
+
+#include "iot/thing.h"
+#include "led/circular_strip.h"
+
+using namespace iot;
+
+class LedStripControl : public Thing {
+private:
+    CircularStrip* led_strip_;
+    int brightness_level_;  // 亮度等级 (0-8)
+
+    int LevelToBrightness(int level) const;  // 将等级转换为实际亮度值
+    StripColor RGBToColor(int red, int green, int blue);
+
+public:
+    explicit LedStripControl(CircularStrip* led_strip);
+}; 
+
+#endif // LED_STRIP_CONTROL_H

main/led/circular_strip.cc

@@ -4,10 +4,6 @@
 
 #define TAG "CircularStrip"
 
-#define DEFAULT_BRIGHTNESS 4
-#define HIGH_BRIGHTNESS 16
-#define LOW_BRIGHTNESS 1
-
 #define BLINK_INFINITE -1
 
 CircularStrip::CircularStrip(gpio_num_t gpio, uint8_t max_leds) : max_leds_(max_leds) {
@@ -52,7 +48,7 @@ CircularStrip::~CircularStrip() {
 }
 
 
-void CircularStrip::StaticColor(StripColor color) {
+void CircularStrip::SetAllColor(StripColor color) {
     std::lock_guard<std::mutex> lock(mutex_);
     esp_timer_stop(strip_timer_);
     for (int i = 0; i < max_leds_; i++) {
@@ -62,6 +58,14 @@ void CircularStrip::StaticColor(StripColor color) {
     led_strip_refresh(led_strip_);
 }
 
+void CircularStrip::SetSingleColor(uint8_t index, StripColor color) {
+    std::lock_guard<std::mutex> lock(mutex_);
+    esp_timer_stop(strip_timer_);
+    colors_[index] = color;
+    led_strip_set_pixel(led_strip_, index, color.red, color.green, color.blue);
+    led_strip_refresh(led_strip_);
+}
+
 void CircularStrip::Blink(StripColor color, int interval_ms) {
     for (int i = 0; i < max_leds_; i++) {
         colors_[i] = color;
@@ -172,6 +176,11 @@ void CircularStrip::StartStripTask(int interval_ms, std::function<void()> cb) {
     esp_timer_start_periodic(strip_timer_, interval_ms * 1000);
 }
 
+void CircularStrip::SetBrightness(uint8_t default_brightness, uint8_t low_brightness) {
+    default_brightness_ = default_brightness;
+    low_brightness_ = low_brightness;
+    OnStateChanged();
+}
 
 void CircularStrip::OnStateChanged() {
     auto& app = Application::GetInstance();
@@ -179,12 +188,12 @@ void CircularStrip::OnStateChanged() {
     switch (device_state) {
         case kDeviceStateStarting: {
             StripColor low = { 0, 0, 0 };
-            StripColor high = { LOW_BRIGHTNESS, LOW_BRIGHTNESS, DEFAULT_BRIGHTNESS };
+            StripColor high = { low_brightness_, low_brightness_, default_brightness_ };
             Scroll(low, high, 3, 100);
             break;
         }
         case kDeviceStateWifiConfiguring: {
-            StripColor color = { LOW_BRIGHTNESS, LOW_BRIGHTNESS, DEFAULT_BRIGHTNESS };
+            StripColor color = { low_brightness_, low_brightness_, default_brightness_ };
             Blink(color, 500);
             break;
         }
@@ -192,27 +201,27 @@ void CircularStrip::OnStateChanged() {
             FadeOut(50);
             break;
         case kDeviceStateConnecting: {
-            StripColor color = { LOW_BRIGHTNESS, LOW_BRIGHTNESS, DEFAULT_BRIGHTNESS };
+            StripColor color = { low_brightness_, low_brightness_, default_brightness_ };
-            StaticColor(color);
+            SetAllColor(color);
             break;
         }
         case kDeviceStateListening: {
-            StripColor color = { DEFAULT_BRIGHTNESS, LOW_BRIGHTNESS, LOW_BRIGHTNESS };
+            StripColor color = { default_brightness_, low_brightness_, low_brightness_ };
-            StaticColor(color);
+            SetAllColor(color);
             break;
         }
         case kDeviceStateSpeaking: {
-            StripColor color = { LOW_BRIGHTNESS, DEFAULT_BRIGHTNESS, LOW_BRIGHTNESS };
+            StripColor color = { low_brightness_, default_brightness_, low_brightness_ };
-            StaticColor(color);
+            SetAllColor(color);
             break;
         }
         case kDeviceStateUpgrading: {
-            StripColor color = { LOW_BRIGHTNESS, DEFAULT_BRIGHTNESS, LOW_BRIGHTNESS };
+            StripColor color = { low_brightness_, default_brightness_, low_brightness_ };
             Blink(color, 100);
             break;
         }
         case kDeviceStateActivating: {
-            StripColor color = { LOW_BRIGHTNESS, DEFAULT_BRIGHTNESS, LOW_BRIGHTNESS };
+            StripColor color = { low_brightness_, default_brightness_, low_brightness_ };
             Blink(color, 500);
             break;
         }

main/led/circular_strip.h

@@ -9,6 +9,9 @@
 #include <mutex>
 #include <vector>
 
+#define DEFAULT_BRIGHTNESS 32
+#define LOW_BRIGHTNESS 4
+
 struct StripColor {
     uint8_t red = 0, green = 0, blue = 0;
 };
@@ -19,6 +22,12 @@ public:
     virtual ~CircularStrip();
 
     void OnStateChanged() override;
+    void SetBrightness(uint8_t default_brightness, uint8_t low_brightness);
+    void SetAllColor(StripColor color);
+    void SetSingleColor(uint8_t index, StripColor color);
+    void Blink(StripColor color, int interval_ms);
+    void Breathe(StripColor low, StripColor high, int interval_ms);
+    void Scroll(StripColor low, StripColor high, int length, int interval_ms);
 
 private:
     std::mutex mutex_;
@@ -31,13 +40,11 @@ private:
     esp_timer_handle_t strip_timer_ = nullptr;
     std::function<void()> strip_callback_ = nullptr;
 
-    void StartStripTask(int interval_ms, std::function<void()> cb);
+    uint8_t default_brightness_ = DEFAULT_BRIGHTNESS;
+    uint8_t low_brightness_ = LOW_BRIGHTNESS;
 
-    void StaticColor(StripColor color);
+    void StartStripTask(int interval_ms, std::function<void()> cb);
-    void Blink(StripColor color, int interval_ms);
-    void Breathe(StripColor low, StripColor high, int interval_ms);
     void Rainbow(StripColor low, StripColor high, int interval_ms);
-    void Scroll(StripColor low, StripColor high, int length, int interval_ms);
     void FadeOut(int interval_ms);
 };