- Reworked the connection object and the IO system

- Reworked the support for TRICS
- Added a second generation motor

nread.tex

@@ -11,11 +11,11 @@ through a command channel
 A prior 
 version of SICS had a select system call for each of these cases. It was
 found, that the code spent most of its time in the select system call
-thus intrdoducing a major performance problem.
+thus introducing a major performance problem.
   
 The select system call can handle more then one file descriptor in one call. 
 This is exactly what this module handles. It does a global select on
-all open sockets and forwards any pending data to approriate handlers.
+all open sockets and forwards any pending data to appropriate handlers.
 This scheme brought a drastic
 performance improvement. 
 
@@ -25,13 +25,13 @@ differently:
 A connection request will be validated, a new connection object will be
 created and a new task for this connection object will be started.
 
-A command will be placed in the apropriate command stack for the task
+A command will be placed in the appropriate command stack for the task
 belonging to this connection to work on in a later stage. The netreader will
 also take care that all commands are complete, this is the terminator
 \verb+\n+ or \verb+\r+ has been sent. 
 
 Both forms of interrupt will be interpreted and a suitable signal
-will be sent to all runing tasks if the interrupt request is valid.
+will be sent to all running tasks if the interrupt request is valid.
 
 In order to perform his tasks  the network reader needs to maintain a list of
 all open sockets and their types. Additionally it needs to know about the
@@ -61,6 +61,11 @@ come in on  a user socket. This function is problematic with dynamically
 creates and deleted objects such as environment device objects. Its use is
 therefore no longer recommended.  
 
+In January 2009 a new asynchronous I/O structure was devised. This makes most of
+NetReader obsolete. However, it was decided to keep the old structure for the 
+time being. A new function, NetReadInstallANETPort was added to install server 
+ports for the new system.
+
 Thus the interface looks like this:
 
 \begin{flushleft} \small
@@ -88,7 +93,9 @@ $\langle$nrint {\footnotesize ?}$\rangle\equiv$
 \mbox{}\verb@     int NetReadWait4Data(pNetRead self, int iSocket);@\\
 \mbox{}\verb@     int NetReadReadable(pNetRead self, int iSocket);@\\
 \mbox{}\verb@     int NetReadResetUser(pNetRead self, int iSocket);@\\
-\mbox{}\verb@@$\diamond$
+\mbox{}\verb@/*--------------------------------------------------------------------------*/@\\
+\mbox{}\verb@        int NetReadInstallANETPort(pNetRead self, eNRType eType, int iPort); @\\
+\mbox{}\verb@@$\Diamond$
 \end{list}
 \vspace{-1ex}
 \footnotesize\addtolength{\baselineskip}{-1ex}
@@ -153,7 +160,7 @@ if not.
 \mbox{}\verb@#define SICSNETREADER@\\
 \mbox{}\verb@@$\langle$nrint {\footnotesize ?}$\rangle$\verb@@\\
 \mbox{}\verb@#endif@\\
-\mbox{}\verb@@$\diamond$
+\mbox{}\verb@@$\Diamond$
 \end{list}
 \vspace{-2ex}
 \end{minipage}\\[4ex]