feat: services (#2)

examples/neopixel/NeoPixelService.h

@@ -0,0 +1,67 @@
+#pragma once
+#include "services/Service.h"
+#include "TaskManager.h"
+#include <Adafruit_NeoPixel.h>
+#include <map>
+#include <vector>
+
+class NeoPixelService : public Service {
+public:
+    enum class Pattern {
+        Off,
+        ColorWipe,
+        Rainbow,
+        RainbowCycle,
+        TheaterChase,
+        TheaterChaseRainbow
+    };
+
+    NeoPixelService(TaskManager& taskMgr, uint16_t numPixels, uint8_t pin, neoPixelType type);
+    void registerEndpoints(ApiServer& api) override;
+    const char* getName() const override { return "NeoPixel"; }
+
+    void setPatternByName(const String& name);
+    void setBrightness(uint8_t b);
+
+private:
+    void registerTasks();
+    void registerPatterns();
+    std::vector<String> patternNamesVector() const;
+    String currentPatternName() const;
+    Pattern nameToPattern(const String& name) const;
+    void resetStateForPattern(Pattern p);
+    void update();
+
+    // Pattern updaters
+    void updateOff();
+    void updateColorWipe();
+    void updateRainbow();
+    void updateRainbowCycle();
+    void updateTheaterChase();
+    void updateTheaterChaseRainbow();
+
+    // Handlers
+    void handleStatusRequest(AsyncWebServerRequest* request);
+    void handlePatternsRequest(AsyncWebServerRequest* request);
+    void handleControlRequest(AsyncWebServerRequest* request);
+
+    TaskManager& taskManager;
+    Adafruit_NeoPixel strip;
+
+    std::map<String, std::function<void()>> patternUpdaters;
+
+    Pattern currentPattern;
+    unsigned long updateIntervalMs;
+    unsigned long lastUpdateMs;
+
+    // State for patterns
+    uint16_t wipeIndex;
+    uint32_t wipeColor;
+    uint8_t rainbowJ;
+    uint8_t cycleJ;
+    int chaseJ;
+    int chaseQ;
+    bool chasePhaseOn;
+    uint32_t chaseColor;
+    uint8_t brightness;
+};