Signal Diagram LaTeX Macro

signal_diagram.tex

\begin{tikzpicture}
    \newcounter{xi}
    \addtocounter{xi}{1};
    \foreach \x in {10,20,...,200}{
        \ifodd\value{xi}
          {}\else{\node[anchor=north,x=1cm/1.5] at (\value{xi},0pt) {$\x$};}\fi
        \addtocounter{xi}{1};
    }
    
    \draw (0,0) -- (0,12);
    \newcounter{yi}
    % Edit the Y Lables here
    \foreach \y in {$y_3$, $y_2$, $y_1$, $t_5$, $t_4$, $t_3$, $t_2$, $t_1$, $x_1$, $x_2$, $x_3$, $x_4$}{
        \draw[->, x=1cm/1.5] (0,\value{yi}) -- (21, \value{yi});
        \setcounter{xi}{0}
        \addtocounter{xi}{1};
        % Edit the X Lables here
        \foreach \x in {10,20,...,200}{
            \draw[x=1cm/1.5] (\value{xi},\value{yi}+0.05) -- (\value{xi}, \value{yi}-0.05);
            \addtocounter{xi}{1};
        }
        \node[anchor=east] at (0,\value{yi}+0.5) {\y};
        \addtocounter{yi}{1};
    }
    \node[anchor=north west,x=1cm/1.5] at (21,0) {$t/ns$};
    \node[anchor=north,x=1cm/1.5] at (0,0) {$0$};
    
    \newcounter{xVal}
    \newcounter{yVal}
    \newcounter{prevY}
    \newcounter{prevX}
    \def\kline#1#2#3{
        \setcounter{xVal}{0}
        \setcounter{yVal}{#2}
        \setcounter{prevY}{#2}
        \setcounter{prevX}{0}
        \foreach \x in #3{
            \addtocounter{xVal}{\x}
            \draw[thick, x=1cm/1.5]
                   (\value{prevX},{#1+(Mod(\value{prevY},2)/2)})
                -- (\value{prevX},{#1+(Mod(\value{yVal},2)/2)})
                -- (\value{xVal},{#1+(Mod(\value{yVal},2)/2)});
            \setcounter{prevY}{\value{yVal}}
            \addtocounter{yVal}{1}
            \setcounter{prevX}{\value{xVal}}
        }
    }
    
    \kline{11}{0}{{4,2,2,1,1,4,2,1,2,1}}
    \kline{10}{0}{{3,4,3,5,3,2}}
    \kline{9}{0}{{2,7,4,7}}

\end{tikzpicture}