add: image

frame/src/Image.cpp

@@ -0,0 +1,33 @@
+#include "Image.hpp"
+
+namespace frame
+{
+
+    Image::Image(uint32_t pWidth, uint32_t pHeight)
+        : mWidth(pWidth)
+        , mHeight(pHeight)
+        , mBuffer(mWidth * mHeight)
+    {
+    }
+
+    Image::Image(Size size)
+        : Image(size.width, size.height)
+    {
+    }
+
+    uint8_t& Image::at(uint32_t x, uint32_t y)
+    {
+        return mBuffer.at(toInternal(x, y));
+    }
+
+    uint8_t const& Image::at(uint32_t x, uint32_t y) const
+    {
+        return mBuffer.at(toInternal(x, y));
+    }
+
+    uint8_t Image::toInternal(uint32_t x, uint32_t y) const
+    {
+        return x + mWidth * y;
+    }
+
+} // namespace frame

frame/src/Image.hpp

@@ -0,0 +1,35 @@
+#pragma once
+#include "Size.hpp"
+
+#include <vector>
+
+namespace frame
+{
+
+    class Image
+    {
+        uint32_t mWidth;
+        uint32_t mHeight;
+        std::vector<uint8_t> mBuffer;
+
+    public:
+        Image(uint32_t pWidth, uint32_t pHeight);
+        Image(Size size);
+
+        uint8_t& at(uint32_t x, uint32_t y);
+        uint8_t const& at(uint32_t x, uint32_t y) const;
+
+        auto getWidth() const
+        {
+            return mWidth;
+        }
+        auto getHeight() const
+        {
+            return mHeight;
+        }
+
+    private:
+        uint8_t toInternal(uint32_t x, uint32_t y) const;
+    };
+
+} // namespace frame

frame/src/Size.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+namespace frame
+{
+    struct Size
+    {
+        uint32_t width;
+        uint32_t height;
+    };
+} // namespace frame

frame/src/display/EPD_7in5_V2.cpp

@@ -0,0 +1,69 @@
+#include "EPD_7in5_V2.hpp"
+
+#include <EPD_7in5_V2.h>
+
+namespace frame::display
+{
+    constexpr uint32_t mWidth  = EPD_7IN5_V2_WIDTH;
+    constexpr uint32_t mHeight = EPD_7IN5_V2_HEIGHT;
+
+    EPD_7in5_V2::EPD_7in5_V2()
+        : IDisplay("EPD_7in5_V2", {mWidth, mHeight})
+    {
+    }
+
+    EPD_7in5_V2::~EPD_7in5_V2()
+    {
+        Sleep();
+    }
+
+    bool EPD_7in5_V2::Init()
+    {
+        return EPD_7IN5_V2_Init() == 0;
+    }
+
+    void EPD_7in5_V2::Clear(Color color)
+    {
+        if(color == Color::WHITE)
+        {
+            EPD_7IN5_V2_Clear()
+        } else
+        {
+            EPD_7IN5_V2_ClearBlack();
+        }
+    }
+
+    void EPD_7in5_V2::Display(Image const& image)
+    {
+        constexpr auto bytes_width = mWidth / 8;
+        std::vector<uint8_t> data(bytes_with * mHeight);
+
+        uint8_t bit_counter;
+
+        for(auto y = 0; y < mHeight; ++y)
+        {
+            for(auto x = 0; x < bytes_width; ++x)
+            {
+                uint8_t byte = 0;
+                for(auto bit = 0; bit < 8; ++bit)
+                {
+                    if(image.at(x * 8 + bit, y) > 265 / 2)
+                    {
+                        byte ^= 1;
+                    }
+                    byte << 1;
+                }
+
+                data[bytes_width * y + x] = byte;
+            }
+        }
+
+        EPD_7IN5_V2_Display(data.data());
+    }
+
+    void EPD_7in5_V2::Sleep()
+    {
+        EPD_7IN5_V2_Sleep();
+    }
+
+} // namespace frame::display

frame/src/display/EPD_7in5_V2.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "IDisplay.hpp"
+
+namespace frame::display
+{
+
+    class EPD_7in5_V2 : public IDisplay
+    {
+    public:
+        EPD_7in5_V2();
+        ~EPD_7in5_V2();
+
+        bool Init() override;
+
+        void Clear(Color color) override;
+
+        void Display(Image const& image) override;
+
+        void Sleep() override;
+    };
+
+} // namespace frame::display

frame/src/display/IDisplay.hpp

@@ -0,0 +1,35 @@
+#pragma once
+#include "../Image.hpp"
+
+#include <string>
+
+namespace frame::display
+{
+    enum class Color { WHITE, BLACK };
+
+    class IDisplay
+    {
+        std::string mName;
+        Size mSize;
+
+    public:
+        IDisplay(std::string_view pName, Size pSize)
+            : mName(pName)
+            , mSize(pSize){};
+        virtual ~IDisplay() = default;
+
+        virtual bool Init() = 0;
+
+        virtual void Clear(Color color) = 0;
+
+        virtual void Display(Image const& image) = 0;
+
+        virtual void Sleep() = 0;
+
+    public:
+        Size const& getSize()
+        {
+            return size;
+        }
+    };
+} // namespace frame::display

frame/src/main.cpp

@@ -0,0 +1,76 @@
+#include <chrono>
+#include <iostream>
+#include <thread>
+#include <vector>
+
+using namespace std::chrono_literals;
+
+#include "display/EPD_7in5_V2.hpp"
+
+int main()
+{
+
+    frame::display::EPD_7in5_V2 display{};
+
+    display.Init();
+
+    display.Clear(frame::display::Color::BLACK);
+
+    std::this_thread::sleep_for(2s);
+
+    display.Clear(frame::display::Color::WHITE);
+
+    std::this_thread::sleep_for(2s);
+
+    frame::Image image(display.getSize());
+
+    for(int x = 0; x < image.getWidth(); ++x)
+    {
+        image.at(x, 0) = 0xFF;
+    }
+
+    display.Display(image);
+}
+
+/*
+#include <EPD_7in5_V2.h>
+
+
+int main()
+{
+    std::cout << "Hallo Welt" << std::endl;
+
+    EPD_7IN5_V2_Init();
+
+    EPD_7IN5_V2_ClearBlack();
+
+    std::this_thread::sleep_for(2s);
+
+    EPD_7IN5_V2_Clear();
+
+    std::this_thread::sleep_for(2s);
+
+    std::vector<uint8_t> image;
+    image.resize(EPD_7IN5_V2_HEIGHT * EPD_7IN5_V2_WIDTH);
+
+    uint8_t color = 0;
+    for(int x = 0; x < EPD_7IN5_V2_WIDTH; ++x)
+    {
+        for(int y = 0; y < EPD_7IN5_V2_HEIGHT; ++y)
+        {
+            image[EPD_7IN5_V2_WIDTH * y + x] = color;
+        }
+
+        color = ~color;
+    }
+
+    EPD_7IN5_V2_Display(image.data());
+
+    std::this_thread::sleep_for(10s);
+
+    EPD_7IN5_V2_Clear();
+    EPD_7IN5_V2_Sleep();
+
+    return 0;
+}
+*/