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Man Pages


Manual Reference Pages  -  LOCON (3)

[Include document man1/alc_contents.mac]

   locon    locon

NAME

locon - mbk logical connector

CONTENTS

Description
See Also

DESCRIPTION

The locon is used to describe a connector of the logical view    of a figure. Connectors are describing the cell interface, and are the link between its physical and logical views, so the names must be the same.

The declarations needed to work on locon are available in the header file "/labo/include/mlo404.h", where ’404’ is the actual mbk version.

The following C structure supports the description of the logical connector :







typedef struct locon {
   struct locon     *NEXT;
   char             *NAME;
   struct losig     *SIG;
   void             *ROOT;
   char             DIRECTION;
   char             TYPE;
   struct ptype     *USER;
} locon_list;


NEXT Pointer to the next locon of the list.
NAME Name of the connector. It identifies the connector, so it should unique in a given logical figure. A logical connector with a given name correspond to the physical connector or connectors of this name.
SIG Pointer to the signal linked to the connector. This signal is, of course, unique. See losig(3) for details.
ROOT Pointer to the object it belongs to. This object may be either a lofig, or a loins, depending on the type of the connector. See lofig(3) and loins for details.
DIRECTION This indicates the way of the information going through the connector. Six directions are legal :
IN input
OUT output
INOUT input and output
UNKNOWN no information is available
TRISTATE tristate output
TRANSCV tristate output and input
TYPE Character indicating if the connector belongs to a model or an instance. It can take two values :
EXTERNAL for figure connectors
INTERNAL for instance connectors
The TYPE is needed to appropriatly cast the ROOT field, and must be approriatly filled by the parsers. A misuse of it may cause strange behaviours.
USER Pointer to a ptype list, see ptype for details, that is a general purpose pointer used to share informations on the connector.

SEE ALSO

mbk(1), mbk(3), addlocon(3), getlocon(3), dellocon(3), losig(3), ptype(3), loins(3), lofig(3).

[Include document man1/alc_bug_report.1]

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ASIM/LIP6 LOCON (3) October 1, 1997

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