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path: root/graphics/pgf/contrib/pinoutikz/pinoutikz.sty
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% License: 	LATEX Project Public License 1.3c
% Author: 	Robert Blazek
% Date:		2019/11/25 
\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{pinoutikz}[1.1.0 Pinout diagram definitions]

\RequirePackage{ifthen}
\RequirePackage{lmodern}
\RequirePackage{xstring}
\RequirePackage{upquote}
\RequirePackage{amsmath,amssymb}
\RequirePackage{amsfonts}
\RequirePackage{forarray}
\RequirePackage{arrayjob}
\RequirePackage{pgf}
\RequirePackage{tikz}

%% 'sans serif' option
\DeclareOption{sans}{
  \renewcommand{\familydefault}{\sfdefault}
}

%% 'roman' option
\DeclareOption{roman}{
  \renewcommand{\familydefault}{\rmdefault}
}

%% Global indentation option
\newif\if@neverindent\@neverindentfalse
\DeclareOption{neverindent}{
  \@neverindenttrue
}

\ExecuteOptions{sans}

\ProcessOptions\relax

\usetikzlibrary{shapes.misc, shapes.geometric}

\def\pinoutikzname               {pinouTikz}
\def\pinoutikzversion            {1.1.1}
\def\pinoutikzdate               {2019/11/25}

%% Formatt a pin name
\def\FormatPinLabel#1{
  \pgfmathparse{0}\let\negstate\pgfmathresult
  \pgfmathparse{0}\let\index\pgfmathresult
  \ForEach{~}%
  {%
    \StrLen{\thislevelitem}[\itemlen]%
    \ifthenelse{\itemlen>0}{%
      \ifthenelse{\equal{\negstate}{1}}{$\overline{\thislevelitem}$}{\thislevelitem}%
      \pgfmathparse{\index+1}\let\index\pgfmathresult
    }{}%
    \pgfmathparse{!\negstate}\let\negstate\pgfmathresult%
  }%
  {#1}
}

%% package rectangle
\def\CASE(#1)#2 {%
%    \CASE(#3){\width*.5-0.75*.5,\width*.5-0.75*.5}{\width cm + 0.75 cm}{\height cm + 0.75 cm}
  \def\edgecount{4}
  \pgfmathparse{#2/\edgecount-1}\let\cntpinsl\pgfmathresult
  \pgfmathparse{#2/\edgecount}\let\cntstr\pgfmathresult
  \pgfmathparse{#2-1}\let\cntpinsr\pgfmathresult
  \pgfmathparse{\cntstr*.4+.4}\let\height\pgfmathresult
  \pgfmathparse{\height}\let\width\pgfmathresult
  \ifthenelse{\equal{#1}{TQFP}}{%
    \pgfmathparse{\width*.5-0.75*.5}\let\posx\pgfmathresult
    \pgfmathparse{\height*.5-0.75*.5}\let\posy\pgfmathresult
    \pgfmathparse{\width cm + 0.75 cm}\let\widthB\pgfmathresult
    \pgfmathparse{\height cm + 0.75 cm}\let\heightB\pgfmathresult
    \node[draw=black, rectangle,minimum width=\widthB,minimum height=\heightB,line width=1.5pt, chamfered rectangle, chamfered rectangle corners={north west, north east, south east, south west}] at (\posy,\posy) (case) {};
    \draw (-.44 cm,\height cm + 0.75 cm-1.1cm) circle (1.25mm);
  }{}%
  \ifthenelse{\equal{#1}{PLCC}}{%
    \pgfmathparse{\width*.5-0.75*.5}\let\posx\pgfmathresult
    \pgfmathparse{\height*.5-0.75*.5}\let\posy\pgfmathresult
    \pgfmathparse{\width cm + 0.75 cm}\let\widthB\pgfmathresult
    \pgfmathparse{\height cm + 0.75 cm}\let\heightB\pgfmathresult
    \node[draw=black, rectangle,minimum width=\widthB,minimum height=\heightB,line width=1.5pt, chamfered rectangle, chamfered rectangle corners={north west}] at (\posx,\posy) (case) {};
   \draw (\posx,\posy+\height*.5-.2) circle (1.25mm);
   }{}%
}

%% PIN diagram with label decoding
%% @param#1: options
%% @param#2: offset
%% @param#3: pin name
%% @param#4: pin number
\def\PIN[#1](#2)#3#4{
  % decode label
  \begin{scope}[shift={(#2)}]
    \def\pinlabel{#3}
    \ifthenelse{\equal{#1}{right}}%
    {%
      \draw (0.12,0) node[label=right:{\footnotesize \pinlabel},label=left:{\small \pgfmathprintnumber{#4}} ]{};
      \draw (0,-.15) rectangle(0.12,0.15);
    }{}
    \ifthenelse{\equal{#1}{left}}%
    {%
      \draw (-0.12,0) node[label=left:{\footnotesize \pinlabel},label=right:{\small \pgfmathprintnumber{#4}} ]{};
      \draw[rotate=180] (0,-.15) rectangle(0.12,0.15);
    }{}
    \ifthenelse{\equal{#1}{top}}%
    {%
      \draw(0,0.12) node[rotate=90,label=right:\rotatebox{90}{\footnotesize \pinlabel},label=left:\rotatebox{90}{\small \pgfmathprintnumber{#4}} ]{};
      \draw[rotate=90](0,-.15) rectangle(0.12,0.15);
    }{}
    \ifthenelse{\equal{#1}{bottom}}%
    {%
      \draw(0,-0.12) node[rotate=90,label=left:\rotatebox{90}{\footnotesize \pinlabel},label=right:\rotatebox{90}{\small \pgfmathprintnumber{#4}} ]{};
      \draw[rotate=-90](0,-.15) rectangle(0.12,0.15);
    }{}
  \end{scope}
}

%% PDIP package diagram
%% @param#1: offset
%% @param#2: number of pins (divisible by 2)
%% @param#3: comma separated definitions list for every pin - every pin definition must be enclosed in quotation marks ("")
\def\PDIP(#1)#2{%
  \begin{tikzpicture}
  \begin{scope}[shift={(0,0)}]
    \sffamily
    \textsf{%
    \def\pins{{#2}}
    \pgfmathparse{#1/2-1}\let\cntpinsl\pgfmathresult
    \pgfmathparse{#1/2}\let\cntstr\pgfmathresult
    \pgfmathparse{#1-1}\let\cntpinsr\pgfmathresult
    \pgfmathparse{\cntstr*.5}\let\height\pgfmathresult
    \draw[line width=1.5pt] (0,-0.5) rectangle (1.88,\height);
    \draw (0.75 cm,\height cm) arc (180:360:2mm);
    %iterate through pin definitions
    \foreach \pinnum/\i in {#2}%
    {%
      \pgfmathparse{\pinnum-1}\let\pinidx\pgfmathresult
      \pgfmathparse{(\pinnum>0 && \pinnum<(\cntstr+1)) ? 0 : 1}\let\pinrange\pgfmathresult
      \ifthenelse{\equal{\pinrange}{0} }
      {%
        \pgfmathparse{(\cntpinsl-\pinidx)*0.5}\let\ypin\pgfmathresult
        \PIN[left](0,\ypin){\i}{\pinnum}
      }%else
      {%
        \pgfmathparse{(\pinidx-\cntstr)*0.5}\let\ypin\pgfmathresult
        \PIN[right](1.88,\ypin){\i}{\pinnum}
      }
    }
  }
  \end{scope}
  \end{tikzpicture}
}

% Generic 4-edged package diagram
% @param#1 - pin count
% @param#2 - pin array
% @param#3 - case type
% @param#4 - pin offset
\def\GENFOUREDGE(#1)#2#3#4{%
    \sffamily
    \textsf{%
    \def\pins{{#2}}
    \def\edgecount{4}
    \pgfmathparse{#1/\edgecount-1}\let\cntpinsl\pgfmathresult
    \pgfmathparse{#1/\edgecount}\let\cntstr\pgfmathresult
    \pgfmathparse{#1-1}\let\cntpinsr\pgfmathresult
    \pgfmathparse{\cntstr*.4+.4}\let\height\pgfmathresult
    \pgfmathparse{\height}\let\width\pgfmathresult
    \CASE(#3){#1}
    %iterate through pin definitions
    \foreach \pinnum/\i in {#2}%
    {%
      \pgfmathparse{\pinnum-1}\let\pinidx\pgfmathresult
      \pgfmathparse{Mod((int(\pinidx+#1)-#4),#1)}\let\pinidx\pgfmathresult
      \pgfmathparse{int(\pinidx/\cntstr)}\let\pinrange\pgfmathresult
      \pgfmathparse{Mod(\pinidx,\cntstr)}\let\rngidx\pgfmathresult
      \ifthenelse{\equal{\pinrange}{0} }%
      {%
        \pgfmathparse{(\cntpinsl-\rngidx)*0.40}\let\ypin\pgfmathresult
        \PIN[left](-0.75,\ypin){\i}{\pinnum}
      }{}
      \ifthenelse{\equal{\pinrange}{1} }%
      {%
        \pgfmathparse{\rngidx*0.40}\let\ypin\pgfmathresult
        \PIN[bottom](\ypin,-0.75){\i}{\pinnum}
      }{}
      \ifthenelse{\equal{\pinrange}{2} }%
      {%
        \pgfmathparse{\rngidx*0.40}\let\ypin\pgfmathresult
        \PIN[right](\width,\ypin){\i}{\pinnum}
      }{}
      \ifthenelse{\equal{\pinrange}{3} }%
      {%
        \pgfmathparse{(\cntpinsl-\rngidx)*0.40}\let\ypin\pgfmathresult
        \PIN[top](\ypin,\height){\i}{\pinnum}
      }{}%      \fi
    }
  }
}

%% PLCC package diagram
%% @param#1: offset
%% @param#2: number of pins (divisible by 2)
%% @param#3: comma separated definitions list for every pin - every pin definition must be enclosed in quotation marks ("")
\def\PLCC(#1)#2{%
  \begin{tikzpicture}
  \begin{scope}[shift={(0,0)}]
  \GENFOUREDGE(#1){#2}{PLCC}{round(#1*.125)}
  \end{scope}
  \end{tikzpicture}
}

%% TQFP package diagram
%% @param#1: offset
%% @param#2: number of pins (divisible by 2)
%% @param#3: comma separated definitions list for every pin - every pin definition must be enclosed in quotation marks ("")
\def\TQFP(#1)#2{%
  \begin{tikzpicture}
  \begin{scope}[shift={(0,0)}]
  \GENFOUREDGE(#1){#2}{TQFP}{0}
  \end{scope}
  \end{tikzpicture}
}

%%

\newlength{\pardefault}
\setlength{\pardefault}{\parindent}
\newcommand{\neverindent}{ \setlength{\parindent}{0pt} }
\newcommand{\autoindent}{ \setlength{\parindent}{\pardefault} }

\if@neverindent
\neverindent
\fi

% ...

\endinput