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path: root/graphics/pinoutikz/pinoutikz.sty
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\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{pinoutikz}[1.0.1 Pinout diagram definitions]

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

\def\pinoutikzname               {pinouTikz}
\def\pinoutikzversion            {1.0.1}
\def\pinoutikzdate                 {2019/11/23}

%% 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}
}

%% 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);
    }%
    {%
      \draw (0,0) node[label=left:{\footnotesize \pinlabel},label=right:{\small \pgfmathprintnumber{#4}} ]{};
      \draw (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] (0.12,-0.5) rectangle (1.88,\height);
    \draw (0.80,\height) 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}
      }
%      \fi
    }
  }
  \end{scope}
  \end{tikzpicture}
}

%%

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

\if@neverindent
\neverindent
\fi

% ...

\endinput