diff --git a/hello_world/usb/wrappers/CriticalSection.cpp b/hello_world/usb/wrappers/CriticalSection.cpp
new file mode 100644
index 0000000..bf12503
--- /dev/null
+++ b/hello_world/usb/wrappers/CriticalSection.cpp
@@ -0,0 +1,21 @@
+#include "CriticalSection.h"
+
+CriticalSection::CriticalSection()
+{
+    critical_section_init(&_critical);
+}
+
+void CriticalSection::lock()
+{
+    critical_section_enter_blocking(&_critical);
+}
+
+void CriticalSection::unlock()
+{
+    critical_section_exit(&_critical);
+}
+
+CriticalSection::~CriticalSection()
+{
+    critical_section_deinit(&_critical);
+}
\ No newline at end of file
diff --git a/hello_world/usb/wrappers/CriticalSection.h b/hello_world/usb/wrappers/CriticalSection.h
new file mode 100644
index 0000000..262801e
--- /dev/null
+++ b/hello_world/usb/wrappers/CriticalSection.h
@@ -0,0 +1,20 @@
+#ifndef H_10337EC23C94444EB1628220BA87E2D7
+#define H_10337EC23C94444EB1628220BA87E2D7
+
+#include "pico/sync.h"
+
+class CriticalSection
+{
+    private:
+        critical_section_t _critical;
+    
+    public:
+        CriticalSection();
+        void lock();
+        void unlock();
+        ~CriticalSection();
+};
+
+
+
+#endif //H_10337EC23C94444EB1628220BA87E2D7
diff --git a/hello_world/usb/wrappers/Mutex.cpp b/hello_world/usb/wrappers/Mutex.cpp
new file mode 100644
index 0000000..703ed2c
--- /dev/null
+++ b/hello_world/usb/wrappers/Mutex.cpp
@@ -0,0 +1,16 @@
+#include "Mutex.h"
+
+Mutex::Mutex()
+{
+    mutex_init(&_mutex);
+}
+
+void Mutex::lock()
+{
+    mutex_enter_blocking(&_mutex);
+}
+
+void Mutex::unlock()
+{
+    mutex_exit(&_mutex);
+}
diff --git a/hello_world/usb/wrappers/Mutex.h b/hello_world/usb/wrappers/Mutex.h
new file mode 100644
index 0000000..0e3ca24
--- /dev/null
+++ b/hello_world/usb/wrappers/Mutex.h
@@ -0,0 +1,18 @@
+#ifndef H_A295368D75B1464CB9B5336EEFFB6239
+#define H_A295368D75B1464CB9B5336EEFFB6239
+
+#include "pico/stdlib.h"
+#include "pico/mutex.h"
+
+class Mutex
+{
+    private:
+        mutex_t _mutex;
+    
+    public:
+        Mutex();
+        void lock();
+        void unlock();
+};
+
+#endif //H_A295368D75B1464CB9B5336EEFFB6239
\ No newline at end of file
diff --git a/hello_world/usb/wrappers/NeoPacket.cpp b/hello_world/usb/wrappers/NeoPacket.cpp
new file mode 100644
index 0000000..9a4ad41
--- /dev/null
+++ b/hello_world/usb/wrappers/NeoPacket.cpp
@@ -0,0 +1,42 @@
+#include "NeoPacket.h"
+
+namespace NeoPacket
+{
+
+GreenPixel& GreenPixel::operator=(GreenPixel& other)
+{
+    this->value = other.value;
+    return *this;
+}
+
+GreenPixel& GreenPixel::operator=(uint8_t val)
+{
+    this->value = val;
+    return *this;
+}
+
+RedPixel& RedPixel::operator=(RedPixel& other)
+{
+    this->value = other.value;
+    return *this;
+}
+
+RedPixel& RedPixel::operator=(uint8_t val)
+{
+    this->value = val;
+    return *this;
+}
+
+BluePixel& BluePixel::operator=(BluePixel& other)
+{
+    this->value = other.value;
+    return *this;
+}
+
+BluePixel& BluePixel::operator=(uint8_t val)
+{
+    this->value = val;
+    return *this;
+}
+
+}
\ No newline at end of file
diff --git a/hello_world/usb/wrappers/NeoPacket.h b/hello_world/usb/wrappers/NeoPacket.h
new file mode 100644
index 0000000..27a0ed3
--- /dev/null
+++ b/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
diff --git a/hello_world/usb/wrappers/Spi.h b/hello_world/usb/wrappers/Spi.h
new file mode 100644
index 0000000..e69de29