在 teensy 上保存批处理文件

Question

我有一个 Teensy 3.2，我想在上面存储一个批处理文件。我发现，Teensy 有一个 2kb 的 EEPROM，我可以把它存储在那里。

批处理文件正在生成一个 .exe 文件，其中包含已编译的 C#。

但是现在我有两个问题：

批处理文件太大（3.37kb），有什么办法可以让它变小吗？
我怎样才能在 Teensy 上传输那个文件（如果它有合适的大小），然后再将它重新传输到计算机上，如果我想的话？我只能找到 EEPROM.write() 作为方法，但由于我想传输一个文件，而不仅仅是单个字节，这对我来说似乎不起作用？

这是批处理代码：

// 2>nul||@goto :batch
/*
:batch
@echo off
setlocal
set "csc="
for /r "%SystemRoot%\Microsoft.NET\Framework\" %%# in ("*csc.exe") do  set "csc=%%#"
if not exist "%~n0.exe" (
   call %csc% /nologo /r:"Microsoft.VisualBasic.dll" /out:"%~n0.exe" "%~dpsfnx0" || (
      exit /b %errorlevel% 
   )
)
%~n0.exe %*
endlocal & exit /b %errorlevel%
*/
using System;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Drawing.Imaging;
using System.Collections.Generic;
public class ScreenCapture
{
    private Image CaptureWindow()
    {
        IntPtr handle = User32.GetDesktopWindow();
        IntPtr hdcSrc = User32.GetWindowDC(handle);
        User32.RECT windowRect = new User32.RECT();
        User32.GetWindowRect(handle, ref windowRect);
        int width = windowRect.right - windowRect.left;
        int height = windowRect.bottom - windowRect.top;
        IntPtr hdcDest = GDI32.CreateCompatibleDC(hdcSrc);
        IntPtr hBitmap = GDI32.CreateCompatibleBitmap(hdcSrc, width, height);
        IntPtr hOld = GDI32.SelectObject(hdcDest, hBitmap);
        GDI32.BitBlt(hdcDest, 0, 0, width, height, hdcSrc, 0, 0, GDI32.SRCCOPY);
        GDI32.SelectObject(hdcDest, hOld);
        GDI32.DeleteDC(hdcDest);
        User32.ReleaseDC(handle, hdcSrc);
        Image img = Image.FromHbitmap(hBitmap);
        GDI32.DeleteObject(hBitmap);
        return img;
    }
    public void CaptureScreenToFile(string filename)
    {
        Image img = CaptureWindow();
        img.Save(filename, System.Drawing.Imaging.ImageFormat.Jpeg);
    }
    public static void Main()
    {
        String[] arguments = Environment.GetCommandLineArgs();
        if (arguments.Length == 1)
            Environment.Exit(0);
        String file = arguments[1];
        ScreenCapture sc = new ScreenCapture();
        sc.CaptureScreenToFile(file);
    }
    private class GDI32
    {
        public const int SRCCOPY = 0x00CC0020;
        [DllImport("gdi32.dll")]
        public static extern bool BitBlt(IntPtr hObject, int nXDest, int nYDest,
          int nWidth, int nHeight, IntPtr hObjectSource,
          int nXSrc, int nYSrc, int dwRop);
        [DllImport("gdi32.dll")]
        public static extern IntPtr CreateCompatibleBitmap(IntPtr hDC, int nWidth,
          int nHeight);
        [DllImport("gdi32.dll")]
        public static extern IntPtr CreateCompatibleDC(IntPtr hDC);
        [DllImport("gdi32.dll")]
        public static extern bool DeleteDC(IntPtr hDC);
        [DllImport("gdi32.dll")]
        public static extern bool DeleteObject(IntPtr hObject);
        [DllImport("gdi32.dll")]
        public static extern IntPtr SelectObject(IntPtr hDC, IntPtr hObject);
    }
    private class User32
    {
        [StructLayout(LayoutKind.Sequential)]
        public struct RECT
        {
            public int left;
            public int top;
            public int right;
            public int bottom;
        }
        [DllImport("user32.dll")]
        public static extern IntPtr GetDesktopWindow();
        [DllImport("user32.dll")]
        public static extern IntPtr GetWindowDC(IntPtr hWnd);
        [DllImport("user32.dll")]
        public static extern IntPtr ReleaseDC(IntPtr hWnd, IntPtr hDC);
        [DllImport("user32.dll")]
        public static extern IntPtr GetWindowRect(IntPtr hWnd, ref RECT rect);
    }
}

编辑：现在代码已经足够小了（大约1.73kb），但我仍然不知道，如何在Teensy上传输它，请帮助我。

Answer 1

压缩 C# 代码：

使所有变量成为一个字母
删除所有换行符，使代码在一行中
删除所有不必要的空格

替换常用词（使用在线文本分析器）

@echo off
setlocal enableDelayedExpansion
for /f "delims=" %%a in (source.txt) do set code=%%a
for %%a in ("<:IntPtr " ">:public " "#:int " "&:GDI32." "':static " "`:User32" "@:extern " "\:.dll" "$:DllImport(" "|1:Drawing." "|2:System" "|3:DeleteObject" "|4:private " "|5:using " "|6:ScreenCapture" "|7:SelectObject" "|8:CreateCompatible" "|9:GetWindowRect") do (
    for /f "delims=: tokens=1,2" %%b in ("%%~a") do set "code=!code:%%c=%%b!"
)
echo !code!>compressed.txt

将compressed.txt的内容作为批处理文件的最后一行

@echo off
if exist "%~n0.exe" goto run
setlocal enableDelayedExpansion
for /r "%SystemRoot%\Microsoft.NET\Framework\" %%a in ("*csc.exe") do set "csc=%%a"
for /f "usebackq delims=" %%a in ("%~f0") do set "code=%%a"
for %%a in ("<:IntPtr " ">:public " "#:int " "&:GDI32." "':static " "`:User32" "@:extern " "\:.dll" "$:DllImport(" "|1:Drawing." "|2:System" "|3:DeleteObject" "|4:private " "|5:using " "|6:ScreenCapture" "|7:SelectObject" "|8:CreateCompatible" "|9:GetWindowRect") do (
    for /f "delims=: tokens=1,2" %%b in ("%%~a") do set "code=!code:%%b=%%c!"
)
echo !code!>"%temp%\tmp.c"
%csc% /nologo /r:"Microsoft.VisualBasic.dll" /out:"%~n0.exe" "%temp%\tmp.c"
if errorlevel 1 exit /b %errorlevel%

:run
%~n0.exe %*
exit /b %errorlevel%

|5|2;|5|2.Runtime.InteropServices;|5|2.Drawing;|5|2.|1Imaging;|5|2.Collections.Generic;>class |6{|4Image CaptureWindow(){<hWnd=`.GetDesktopWindow();<hS=`.GetWindowDC(hWnd);`.RECT r=new `.RECT();`.|9(hWnd,ref r);#w=r.R-r.L;#h=r.B-r.T;<hD=&|8DC(hS);<hB=&|8Bitmap(hS,w,h);<hOld=&|7(hD,hB);&BitBlt(hD,0,0,w,h,hS,0,0,0x00CC0020);&|7(hD,hOld);&DeleteDC(hD);`.ReleaseDC(hWnd,hS);Image img=Image.FromHbitmap(hB);&|3(hB);return img;}>void CaptureScreenToFile(string fn){Image img=CaptureWindow();img.Save(fn,|2.|1Imaging.ImageFormat.Jpeg);}>'void Main(){String[] a=Environment.GetCommandLineArgs();if (a.Length==1)Environment.Exit(0);String file=a[1];|6 sc=new |6();sc.CaptureScreenToFile(file);}|4class GDI32{[$"&dll")]>'@bool BitBlt(<hO,#x,#y,#w,#h,<hS,#xS,#yS,#dwRop);[$"&dll")]>'@<|8Bitmap(<hDC,#w,#h);[$"&dll")]>'@<|8DC(<hDC);[$"&dll")]>'@bool DeleteDC(<hDC);[$"&dll")]>'@bool |3(<hO);[$"&dll")]>'@<|7(<hDC,<hO);}|4class `{[StructLayout(LayoutKind.Sequential)]>struct RECT{>#L;>#T;>#R;>#B;}[$"`\")]>'@<GetDesktopWindow();[$"`\")]>'@<GetWindowDC(<hWnd);[$"`\")]>'@<ReleaseDC(<hWnd,<hDC);[$"`\")]>'@<|9(<hWnd,ref RECT rect);}}

1874 字节！

您可以通过替换更多字词使其更小。

在 teensy 上保存批处理文件

Save batch file on teensy

c#

batch-file

teensy