makefile: coverage aktivieren wenn @ tilab

[hwmod.git] / spec / sm / rs232-rs.tex

diff --git a/spec/sm/rs232-rs.tex b/spec/sm/rs232-rs.tex
index 8bab98a96c2a03fe5514fdb05c64bb9eb9d2c394..3265bf73602e29141473eefd23d67398668a341a 100644 (file)
--- a/spec/sm/rs232-rs.tex
+++ b/spec/sm/rs232-rs.tex
@@ -27,27 +27,24 @@
 
 \begin{document}
 
-\begin{psmatrix}[mnode=oval, colsep=2cm, rowsep=2cm]
-[mnode=R,name=vars]{int bc := 0;} &
+\begin{psmatrix}[mnode=oval, colsep=2.5cm, rowsep=2.5cm]
+[mnode=R,name=res]{sys\_res\_n} &
 [name=idle]{\shortstack{\textbf{idle}\\bc:=0;}} &
-[name=rsp]{\shortstack{\textbf{read}\\\textbf{stopbit}}} \\
+[mnode=R,name=vars]{int bc := 0;} \\
 %%
-[mnode=R,name=res]{sys\_res\_n} &
 [name=rs]{\shortstack{\textbf{read}\\\textbf{startbit}}} &
-[name=rb]{\textbf{read}} \\
+[name=rb]{\shortstack{\textbf{read}\\wait BT;}} &
+[name=rsp]{\shortstack{\textbf{read}\\\textbf{stopbit}\\rxd\_new:=1;}} \\
 \end{psmatrix}
 
 \psset{arrows=->, shortput=nab}
 
 \ncline[linestyle=dotted]{res}{idle}
-
-\ncarc[arcangle=35]{idle}{rs}\ncput*[npos=.38]{\shortstack{rxd$\downarrow$}}
-\ncarc[arcangle=35]{rs}{idle}\ncput*[npos=.38]{rxd=1}
-
+%% receive
+\ncarc[arcangle=15]{idle}{rs}\ncput*[npos=.38]{\shortstack{rxd$\downarrow$}}
+\ncarc[arcangle=15]{rs}{idle}\ncput*[npos=.38]{rxd=1}
 \ncline{rs}{rb}\ncput*{rxd=0}
-
-\ncline{rb}{rsp}\ncput*{$bc=8$}
-\nccircle[angle=180]{rb}{.5cm}\ncput*{$bc<8$}
-
+\ncline{rb}{rsp}\ncput*{$bc \ge 8$}
+\nccircle[angle=0]{rb}{.7cm}\ncput*{$bc<8$}
 \ncline{rsp}{idle}
 \end{document}