started Neopixel structs

hello_world/usb/wrappers/NeoPacket.h

@@ -0,0 +1,83 @@
+#ifndef H_3FE5AF534D5E46BD9700F872DB5C50CD
+#define H_3FE5AF534D5E46BD9700F872DB5C50CD
+
+#include <array>
+#include <cstdint>
+
+namespace NeoPacket
+{
+
+class RedPixel
+{
+    public:
+        RedPixel& operator=(RedPixel& other);
+        RedPixel& operator=(uint8_t val);
+        uint8_t val() const;
+
+    private:
+        uint8_t padding1;
+        uint8_t value;
+        uint8_t padding2;
+};
+
+class GreenPixel
+{
+    public:
+        GreenPixel& operator=(GreenPixel& other);
+        GreenPixel& operator=(uint8_t val);
+        uint8_t val() const;
+
+    private:
+        uint8_t value;
+        uint8_t padding1;
+        uint8_t padding2;
+};
+
+class BluePixel
+{
+    public:
+        BluePixel& operator=(BluePixel& other);
+        BluePixel& operator=(uint8_t val);
+        uint8_t val() const;
+
+    private:
+        uint8_t padding1;
+        uint8_t padding2;
+        uint8_t value;
+};
+
+class Pixel
+{
+    public:
+        uint8_t green;
+        uint8_t red;
+        uint8_t blue;
+        void apply(GreenPixel g);
+        void apply(RedPixel r);
+        void apply(BluePixel b);
+};
+
+template <std::size_t N>
+class NeoPacket
+{
+    public:
+        std::array<GreenPixel, N>& as_green()
+        {
+            return reinterpret_cast<std::array<GreenPixel, N>&>(*this);
+        }
+        std::array<RedPixel, N>& as_red()
+        {
+            return reinterpret_cast<std::array<RedPixel, N>&>(*this);
+        }
+        std::array<BluePixel, N>& as_blue()
+        {
+            return reinterpret_cast<std::array<BluePixel, N>&>(*this);
+        }
+    
+    private:
+        std::array<Pixel, N> data;
+};
+
+}
+
+#endif //H_3FE5AF534D5E46BD9700F872DB5C50CD