add fig_aa8

Signed-off-by: surenyi <surenyi82@163.com>

README.md

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+# Figures
+
+## fig_aa8.tex
+
+评级 PPT 文档中的插图源码
+
+![fig_aa8](./images/fig_aa8.png)
+

fig_aa8.tex

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+\documentclass[border=10pt]{standalone}
+\usepackage[fontset=windows]{ctex}
+\usepackage[dvipsnames,svgnames]{xcolor}
+\usepackage{graphicx}
+\usepackage{tikz}
+\usepackage{relsize}
+
+\usepackage{ifplatform}
+\ifwindows{ % for Windows
+    \immediate\write18{if not exist figures mkdir figures}
+}\else{ % for Linux/Unix
+    \immediate\write18{ [ -d figures ] || mkdir figures}
+}
+\fi
+
+\usetikzlibrary{external, mindmap, trees, calendar, %
+    positioning, math, calc, shapes.geometric, quotes}
+%\setmonofont{Consolas}
+\setmonofont{Monaco}
+
+\tikzexternalize [
+    prefix={figures/},
+    only named
+    ]
+\tikzset{external/force remake}
+\tikzset{
+    png export/.style={
+        external/system call={
+            xelatex \tikzexternalcheckshellescape
+                -halt-on-error -interaction=batchmode -jobname "\image" "\texsource";
+            convert -units pixelsperinch -transparent white -density 300 "\image.pdf" "\image.png";
+            convert -units pixelsperinch -transparent white -density 600 "\image.pdf" "\image-600.png";
+}}}
+\tikzset{png export}
+\tikzstyle{fontscale}=[font={\ttfamily\relsize{#1}}]
+\tikzstyle{textblock} = [rectangle, thin, rounded corners, minimum width=1cm, minimum height=0.8cm, %
+          text centered, draw=black, opacity=0.8, fill=MintCream]
+\tikzstyle{lineblock} = [color=Bisque, rounded corners, thick]
+\tikzstyle{conline}=[RedOrange,->, thick]
+\tikzstyle{labelstyle}=[MidnightBlue]
+\tikzstyle{inline}=[->,blue!90, thick]
+\tikzstyle{cloud} = [draw=red, thick, ellipse,fill=NavyBlue!10, minimum height=2em]
+
+\begin{document}
+\tikzsetnextfilename{aa8_png}
+\begin{tikzpicture}[png export, node distance=1.0cm, font=\tiny\ttfamily, label distance=0pt]
+% AA804
+\node at (0.6, 2.5) {AA804};
+\draw [lineblock] (1, 1) rectangle (4.5, 2.5);
+\node [textblock,anchor=south west]  (f5) at (1.2, 1.3) {FPGA5};
+\node [textblock,right=30pt of f5]  (d5) {DSP5};
+
+\coordinate (start) at ($(f5.west) + (-1.5, 0)$);
+
+%\node [anchor=east, NavyBlue] at (start) {\bf 输入};
+\node [anchor=east, NavyBlue, cloud] at (start) {\bf 上位机};
+\draw [inline] (start) -- node[above,labelstyle, midway] {1553B} (f5.west);
+%\draw (start) edge ["输入" blue ,->] (f5.west);
+
+% AA801
+\node at (2.5, 4.7) {AA801};
+\draw [lineblock] (1, 3.5) rectangle (4, 4.5);
+\node [textblock,anchor=west]  (f1) at (1.3, 4) {FPGA1};
+\node [textblock,right=10pt of f1]  (f2) {FPGA2};
+
+% AA802
+\node at (7, 3.8) {AA802};
+\draw [lineblock] (5.8, 0.3) rectangle (8.8, 3.6);
+\node [textblock,anchor=north]  (d6) at (7.3, 3.2) {DSP6};
+\node [textblock,below=25pt of d6,xshift=-20pt]  (f3) {FPGA3};
+\node [textblock,below=25pt of d6,xshift=20pt]  (f4) {FPGA4};
+% AA803
+\draw [lineblock] (0, -1.5) rectangle (5.9, -0.2);
+\node at (-0.4, -0.8) {AA803};
+\node [textblock,anchor=north]  (d1) at (0.8, -0.5) {DSP1};
+\node [textblock,right=10pt of d1]  (d2) {DSP2};
+\node [textblock,right=10pt of d2]  (d3) {DSP3};
+\node [textblock,right=10pt of d3]  (d4) {DSP4};
+
+% connections
+\coordinate (d5d1) at ($(d5.south)!0.5!(d1.north)$);
+\coordinate (d5d2) at ($(d5.south)!0.5!(d2.north)$);
+\coordinate (d5d3) at ($(d5.south)!0.5!(d3.north)$);
+\coordinate (d5d4) at ($(d5.south)!0.5!(d4.north)$);
+
+\draw [conline] (d5.south) |- (d5d1) -| node[labelstyle, near end, left] {SRIO} (d1.north);
+\draw [conline] (d5.south) |- (d5d2) -| node[labelstyle, near end, left] {SRIO} (d2.north);
+\draw [conline] (d5.south) |- (d5d3) -| node[labelstyle, near end, left] {SRIO} (d3.north);
+\draw [conline] (d5.south) |- (d5d4) -| node[labelstyle, near end, left] {SRIO} (d4.north);
+
+\coordinate (d5d6) at ($(d5.east)!0.5!(d6.west)$);
+\draw [conline] (d5.east) -| (d5d6) |- node[labelstyle,above, near end] {PCIE} (d6.west);
+
+\coordinate (d6f3) at ($(d6.south)!0.5!(f3.north)$);
+\coordinate (d6f4) at ($(d6.south)!0.5!(f4.north)$);
+\draw [conline] (d6.south) |- (d6f3) -| node[labelstyle, near end, left] {EMIF} (f3.north);
+\draw [conline] (d6.south) |- (d6f4) -| node[labelstyle, near end, right] {EMIF} (f4.north);
+
+\coordinate (d5f3) at ($(d5.north)!0.5!(f1.south)$);
+\coordinate (d5f2) at ($(d5.north)!0.5!(f2.south)$);
+\draw [conline] ($(d5.north)+(-6pt,0)$) |- (d5f3) -| node[labelstyle, near end, left] {EMIF} (f1.south);
+\draw [conline] ($(d5.north)+(-6pt,0)$) |- (d5f2) -| node[labelstyle, near end, left] {EMIF} (f2.south);
+
+\draw [conline] ($(d5.west)+(0, -6pt)$) to[out=180, in=0] node[labelstyle,below] {EMIF} ($(f5.east)+(0, -6pt)$);
+\draw [inline] ($(f5.east)+(0, +6pt)$) to[out=0, in=180] node[labelstyle,above] {EMIF} ($(d5.west)+(0, +6pt)$);
+\end{tikzpicture}
+
+\end{document}