445 lines
12 KiB
C++
445 lines
12 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2009 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 1992-2012 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file class_netinfo.h
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*/
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/*
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* Classes to handle info on nets
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*/
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#ifndef __CLASSES_NETINFO__
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#define __CLASSES_NETINFO__
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#include <vector>
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#include <gr_basic.h>
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#include <class_netclass.h>
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class wxDC;
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class wxPoint;
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class LINE_READER;
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class EDA_DRAW_PANEL;
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class EDA_DRAW_FRAME;
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class NETINFO_ITEM;
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class D_PAD;
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class BOARD;
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class BOARD_ITEM;
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class MSG_PANEL_ITEM;
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/*****************************/
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/* flags for a RATSNEST_ITEM */
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/*****************************/
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#define CH_VISIBLE 1 /* Visible */
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#define CH_UNROUTABLE 2 /* Don't use autorouter. */
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#define CH_ROUTE_REQ 4 /* Must be routed by the autorouter. */
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#define CH_ACTIF 8 /* Not routed. */
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#define LOCAL_RATSNEST_ITEM 0x8000 /* Line between two pads of a single module. */
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/**
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* Class RATSNEST_ITEM
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* describes a ratsnest line: a straight line connecting 2 pads
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*/
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class RATSNEST_ITEM
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{
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private:
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int m_NetCode; // netcode ( = 1.. n , 0 is the value used for not connected items)
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public:
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int m_Status; // State: see previous defines (CH_ ...)
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D_PAD* m_PadStart; // pointer to the starting pad
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D_PAD* m_PadEnd; // pointer to ending pad
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int m_Lenght; // length of the line (used in some calculations)
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RATSNEST_ITEM();
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/**
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* Function GetNet
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* @return int - the net code.
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*/
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int GetNet() const
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{
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return m_NetCode;
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}
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void SetNet( int aNetCode )
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{
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m_NetCode = aNetCode;
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}
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bool IsVisible()
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{
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return (m_Status & CH_VISIBLE) != 0;
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}
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bool IsActive()
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{
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return (m_Status & CH_ACTIF) != 0;
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}
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bool IsLocal()
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{
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return (m_Status & LOCAL_RATSNEST_ITEM) != 0;
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}
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/**
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* Function Draw
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*/
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void Draw( EDA_DRAW_PANEL* panel, wxDC* DC, GR_DRAWMODE aDrawMode,
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const wxPoint& offset );
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};
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/**
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* Class NETINFO
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* is a container class for NETINFO_ITEM elements, which are the nets. That makes
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* this class a container for the nets.
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*/
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class NETINFO_LIST
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{
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friend class BOARD;
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public:
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NETINFO_LIST( BOARD* aParent );
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~NETINFO_LIST();
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/**
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* Function GetItem
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* @param aNetcode = netcode to identify a given NETINFO_ITEM
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* @return NETINFO_ITEM* - by \a aNetcode, or NULL if not found
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*/
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NETINFO_ITEM* GetNetItem( int aNetcode ) const
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{
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if( unsigned( aNetcode ) >= GetNetCount() ) // catches < 0 too
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return NULL;
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return m_NetBuffer[aNetcode];
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}
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/**
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* Function GetNetCount
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* @return the number of nets ( always >= 1 )
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* because the first net is the "not connected" net and always exists
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*/
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unsigned GetNetCount() const { return m_NetBuffer.size(); }
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/**
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* Function Append
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* adds \a aNewElement to the end of the list.
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*/
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void AppendNet( NETINFO_ITEM* aNewElement );
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/**
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* Function GetPadCount
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* @return the number of pads in board
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*/
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unsigned GetPadCount() const { return m_PadsFullList.size(); }
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/**
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* Function GetPads
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* returns a list of all the pads. The returned list is not
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* sorted and contains pointers to PADS, but those pointers do not convey
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* ownership of the respective PADs.
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* @return std::vector<D_PAD*>& - a full list of pads
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std::vector<D_PAD*>& GetPads()
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{
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return m_PadsFullList;
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}
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*/
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/**
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* Function GetPad
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* @return the pad idx from m_PadsFullList
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*/
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D_PAD* GetPad( unsigned aIdx ) const
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{
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if( aIdx < m_PadsFullList.size() )
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return m_PadsFullList[aIdx];
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else
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return NULL;
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}
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#if defined(DEBUG)
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void Show() const;
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#endif
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private:
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/**
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* Function DeleteData
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* deletes the list of nets (and free memory)
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*/
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void clear();
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/**
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* Function BuildListOfNets
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* builds or rebuilds the list of NETINFO_ITEMs
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* The list is sorted by names.
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*/
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void buildListOfNets();
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/**
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* Function buildPadsFullList
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* creates the pad list, and initializes:
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* m_Pads (list of pads)
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* set m_Status_Pcb = LISTE_PAD_OK;
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* and clear for all pads in list the m_SubRatsnest member;
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* clear m_Pcb->m_FullRatsnest
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*/
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void buildPadsFullList();
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BOARD* m_Parent;
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std::vector<NETINFO_ITEM*> m_NetBuffer; ///< net list (name, design constraints ..)
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std::vector<D_PAD*> m_PadsFullList; ///< contains all pads, sorted by pad's netname.
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///< can be used in ratsnest calculations.
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};
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/**
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* Class NETINFO_ITEM
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* handles the data for a net
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*/
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class NETINFO_ITEM
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{
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private:
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int m_NetCode; ///< A number equivalent to the net name.
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///< Used for fast comparisons in ratsnest and DRC computations.
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wxString m_Netname; ///< Full net name like /mysheet/mysubsheet/vout
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///< used by Eeschema
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wxString m_ShortNetname; // short net name, like vout from
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// /mysheet/mysubsheet/vout
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wxString m_NetClassName; // Net Class name. if void this is equivalent
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// to "default" (the first
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// item of the net classes list
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NETCLASS* m_NetClass;
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BOARD_ITEM* m_parent; ///< The parent board item object the net belongs to.
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public:
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int m_NbNodes; // Pads count for this net
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int m_NbLink; // Ratsnets count for this net
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int m_NbNoconn; // Ratsnets remaining to route count
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int m_Flag; // used in some calculations. Had no
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// special meaning
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std::vector <D_PAD*> m_PadInNetList; // List of pads connected to this net
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unsigned m_RatsnestStartIdx; /* Starting point of ratsnests of this
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* net (included) in a general buffer of
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* ratsnest (a vector<RATSNEST_ITEM*>
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* buffer) */
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unsigned m_RatsnestEndIdx; // Ending point of ratsnests of this net
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// (excluded) in this buffer
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NETINFO_ITEM( BOARD_ITEM* aParent, const wxString& aNetName = wxEmptyString, int aNetCode = 0 );
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~NETINFO_ITEM();
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/**
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* Function SetClass
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* sets \a aNetclass into this NET
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*/
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void SetClass( const NETCLASS* aNetClass )
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{
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m_NetClass = (NETCLASS*) aNetClass;
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if( aNetClass )
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m_NetClassName = aNetClass->GetName();
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else
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m_NetClassName = NETCLASS::Default;
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}
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NETCLASS* GetNetClass()
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{
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return m_NetClass;
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}
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/**
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* Function GetClassName
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* returns the class name
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*/
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const wxString& GetClassName() const
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{
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return m_NetClassName;
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}
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#if 1
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/**
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* Function GetTrackWidth
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* returns the width of tracks used to route this net.
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*/
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int GetTrackWidth()
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{
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wxASSERT( m_NetClass );
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return m_NetClass->GetTrackWidth();
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}
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/**
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* Function GetViaSize
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* returns the size of vias used to route this net
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*/
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int GetViaSize()
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{
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wxASSERT( m_NetClass );
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return m_NetClass->GetViaDiameter();
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}
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/**
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* Function GetMicroViaSize
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* returns the size of vias used to route this net
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*/
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int GetMicroViaSize()
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{
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wxASSERT( m_NetClass );
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return m_NetClass->GetuViaDiameter();
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}
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/**
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* Function GetViaDrillSize
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* returns the size of via drills used to route this net
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*/
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int GetViaDrillSize()
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{
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wxASSERT( m_NetClass );
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return m_NetClass->GetViaDrill();
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}
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/**
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* Function GetViaDrillSize
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* returns the size of via drills used to route this net
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*/
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int GetMicroViaDrillSize()
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{
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wxASSERT( m_NetClass );
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return m_NetClass->GetuViaDrill();
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}
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#if 0
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/**
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* Function GetViaMinSize
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* returns the Minimum value for via sizes (used in DRC)
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*/
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int GetViaMinSize()
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{
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wxASSERT( m_NetClass );
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return m_NetClass->GetViaMinSize();
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}
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#endif
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/**
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* Function GetClearance
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* returns the clearance when routing near aBoardItem
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*/
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int GetClearance( BOARD_ITEM* aBoardItem )
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{
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wxASSERT( m_NetClass );
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return m_NetClass->GetClearance();
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}
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#endif
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/**
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* Function Draw
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* @todo we actually could show a NET, simply show all the tracks and
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* a pads or net name on pad and vias
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*/
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void Draw( EDA_DRAW_PANEL* panel, wxDC* DC, GR_DRAWMODE aDrawMode,
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const wxPoint& offset );
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/**
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* Function GetNet
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* @return int - the netcode
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*/
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int GetNet() const { return m_NetCode; }
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void SetNet( int aNetCode ) { m_NetCode = aNetCode; }
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int GetNodesCount() const { return m_PadInNetList.size(); }
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/**
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* Function GetNetname
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* @return const wxString * , a pointer to the full netname
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*/
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wxString GetNetname() const { return m_Netname; }
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/**
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* Function GetShortNetname
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* @return const wxString * , a pointer to the short netname
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*/
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wxString GetShortNetname() const { return m_ShortNetname; }
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/**
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* Function SetNetname
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* @param aNetname : the new netname
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*/
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void SetNetname( const wxString& aNetname );
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/**
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* Function GetMsgPanelInfo
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* returns the information about the #NETINFO_ITEM in \a aList to display in the
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* message panel.
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*
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* @param aList is the list in which to place the status information.
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*/
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void GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList );
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};
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/***********************************************************/
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/* Description of a trace point for monitoring connections */
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/***********************************************************/
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#define START_ON_PAD 0x10
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#define END_ON_PAD 0x20
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#define START_ON_TRACK 0x40
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#define END_ON_TRACK 0x80
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/* Status bit (OR'ed bits) for class BOARD member .m_Status_Pcb */
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enum StatusPcbFlags {
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LISTE_PAD_OK = 1, /* Pad list is Ok */
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LISTE_RATSNEST_ITEM_OK = 2, /* General Ratsnest is Ok */
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RATSNEST_ITEM_LOCAL_OK = 4, /* current MODULE ratsnest is Ok */
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CONNEXION_OK = 8, /* List of connections exists. */
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NET_CODES_OK = 0x10, /* Bit indicating that Netcode is OK,
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* do not change net name. */
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DO_NOT_SHOW_GENERAL_RASTNEST = 0x20 /* Do not display the general
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* ratsnest (used in module moves) */
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};
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#endif // __CLASSES_NETINFO__
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