395 lines
12 KiB
C++
395 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) 2011-2013 Lorenzo Marcantonio <l.marcantonio@logossrl.com>
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* Copyright (C) 2004-2011 KiCad Developers, see change_log.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 export_d356.cpp
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* @brief Export IPC-D-356 test format
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*/
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#include "fctsys.h"
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#include "class_drawpanel.h"
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#include "confirm.h"
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#include "gestfich.h"
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#include "appl_wxstruct.h"
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#include "wxPcbStruct.h"
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#include "trigo.h"
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#include "build_version.h"
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#include "macros.h"
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#include "pcbnew.h"
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#include "class_board.h"
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#include "class_module.h"
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#include "class_track.h"
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#include "class_edge_mod.h"
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#include <vector>
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#include <cctype>
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/* Structure for holding the D-356 record fields.
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* Useful because 356A (when implemented) must be sorted before outputting it */
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struct D356_RECORD
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{
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bool smd;
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bool hole;
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wxString netname;
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wxString refdes;
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wxString pin;
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bool midpoint;
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int drill;
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bool mechanical;
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int access; // Access 0 is 'both sides'
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int soldermask;
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// All these in PCB units, will be output in decimils
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int x_location;
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int y_location;
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int x_size;
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int y_size;
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int rotation;
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};
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// Compute the access code for a pad. Returns -1 if there is no copper
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static int compute_pad_access_code( BOARD *aPcb, LAYER_MSK aLayerMask )
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{
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// Non-copper is not interesting here
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aLayerMask &= ALL_CU_LAYERS;
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if( aLayerMask == 0 )
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return -1;
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// Traditional TH pad
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if( (aLayerMask & LAYER_FRONT) && (aLayerMask & LAYER_BACK) )
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return 0;
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// Front SMD pad
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if( (aLayerMask & LAYER_FRONT) )
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return 1;
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// Back SMD pad
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if( (aLayerMask & LAYER_BACK) )
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return aPcb->GetCopperLayerCount();
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// OK, we have an inner-layer only pad (and I have no idea about
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// what could be used for); anyway, find the first copper layer
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// it's on
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for (LAYER_NUM scan_layer = LAYER_N_2;
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scan_layer < LAYER_N_BACK;
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++scan_layer)
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{
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if( GetLayerMask( scan_layer ) & aLayerMask )
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return scan_layer + 1;
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}
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// This shouldn't happen
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return -1;
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}
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/* Convert and clamp a size from IU to decimils */
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static int iu_to_d356(int iu, int clamp)
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{
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int val = KiROUND( iu / IU_PER_DECIMILS );
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if( val > clamp ) return clamp;
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if( val < -clamp ) return -clamp;
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return val;
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}
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/* Extract the D356 record from the modules (pads) */
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static void build_pad_testpoints( BOARD *aPcb,
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std::vector <D356_RECORD>& aRecords )
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{
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wxPoint origin = aPcb->GetAuxOrigin();
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for( MODULE *module = aPcb->m_Modules;
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module != NULL; module = module->Next() )
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{
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for( D_PAD *pad = module->Pads(); pad != NULL; pad = pad->Next() )
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{
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D356_RECORD rk;
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rk.access = compute_pad_access_code( aPcb, pad->GetLayerMask() );
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// It could be a mask only pad, we only handle pads with copper here
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if( rk.access != -1 )
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{
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rk.netname = pad->GetNetname();
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rk.refdes = module->GetReference();
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pad->ReturnStringPadName( rk.pin );
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rk.midpoint = false; // XXX MAYBE need to be computed (how?)
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const wxSize& drill = pad->GetDrillSize();
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rk.drill = std::min( drill.x, drill.y );
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rk.hole = (rk.drill != 0);
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rk.smd = pad->GetAttribute() == PAD_SMD;
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rk.mechanical = (pad->GetAttribute() == PAD_HOLE_NOT_PLATED);
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rk.x_location = pad->GetPosition().x - origin.x;
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rk.y_location = origin.y - pad->GetPosition().y;
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rk.x_size = pad->GetSize().x;
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// Rule: round pads have y = 0
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if( pad->GetShape() == PAD_CIRCLE )
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rk.y_size = 0;
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else
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rk.y_size = pad->GetSize().y;
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rk.rotation = -KiROUND( pad->GetOrientation() ) / 10;
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if( rk.rotation < 0 ) rk.rotation += 360;
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// the value indicates which sides are *not* accessible
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rk.soldermask = 3;
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if( pad->GetLayerMask() & SOLDERMASK_LAYER_FRONT)
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rk.soldermask &= ~1;
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if( pad->GetLayerMask() & SOLDERMASK_LAYER_BACK)
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rk.soldermask &= ~2;
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aRecords.push_back( rk );
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}
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}
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}
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}
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/* Compute the access code for a via. In D-356 layers are numbered from 1 up,
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where '1' is the 'primary side' (usually the component side);
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'0' means 'both sides', and other layers follows in an unspecified order */
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static int via_access_code( BOARD *aPcb, int top_layer, int bottom_layer )
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{
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// Easy case for through vias: top_layer is component, bottom_layer is
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// solder, access code is 0
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if( (top_layer == LAYER_N_FRONT) && (bottom_layer == LAYER_N_BACK) )
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return 0;
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// Blind via, reachable from front
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if( top_layer == LAYER_N_FRONT )
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return 1;
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// Blind via, reachable from bottom
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if( bottom_layer == LAYER_N_BACK )
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return aPcb->GetCopperLayerCount();
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// It's a buried via, accessible from some inner layer
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// (maybe could be used for testing before laminating? no idea)
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return bottom_layer + 1; // XXX is this correct?
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}
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/* Extract the D356 record from the vias */
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static void build_via_testpoints( BOARD *aPcb,
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std::vector <D356_RECORD>& aRecords )
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{
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wxPoint origin = aPcb->GetAuxOrigin();
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// Enumerate all the track segments and keep the vias
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for( TRACK *track = aPcb->m_Track; track != NULL; track = track->Next() )
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{
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if( track->Type() == PCB_VIA_T )
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{
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SEGVIA *via = (SEGVIA*) track;
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NETINFO_ITEM *net = aPcb->FindNet( track->GetNet() );
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D356_RECORD rk;
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rk.smd = false;
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rk.hole = true;
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if( net )
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rk.netname = net->GetNetname();
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else
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rk.netname = wxEmptyString;
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rk.refdes = wxT("VIA");
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rk.pin = wxT("");
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rk.midpoint = true; // Vias are always midpoints
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rk.drill = via->GetDrillValue();
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rk.mechanical = false;
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LAYER_NUM top_layer, bottom_layer;
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via->ReturnLayerPair( &top_layer, &bottom_layer );
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rk.access = via_access_code( aPcb, top_layer, bottom_layer );
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rk.x_location = via->GetPosition().x - origin.x;
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rk.y_location = origin.y - via->GetPosition().y;
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rk.x_size = via->GetWidth();
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rk.y_size = 0; // Round so height = 0
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rk.rotation = 0;
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rk.soldermask = 3; // XXX always tented?
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aRecords.push_back( rk );
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}
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}
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}
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/* Add a new netname to the d356 canonicalized list */
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static const wxString intern_new_d356_netname( const wxString &aNetname,
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std::map<wxString, wxString> &aMap, std::set<wxString> &aSet )
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{
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wxString canon;
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for (wxString::const_iterator i = aNetname.begin();
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i != aNetname.end(); ++i)
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{
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// Rule: we can only use the standard ASCII, control excluded
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char ch = *i;
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if( ch > 126 || !std::isgraph( ch ) )
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ch = '?';
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canon += ch;
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}
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// Rule: only uppercase (unofficial, but known to give problems
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// otherwise)
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canon.MakeUpper();
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// Rule: maximum length is 14 characters, otherwise we keep the tail
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if( canon.size() > 14 )
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{
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canon = canon.Right( 14 );
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}
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// Check if it's still unique
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if( aSet.count( canon ) )
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{
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// Nope, need to uniquify it, trim it more and add a number
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wxString base( canon );
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if( base.size() > 10 )
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{
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base = base.Right( 10 );
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}
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int ctr = 0;
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do
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{
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++ctr;
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canon = base;
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canon << '#' << ctr;
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} while ( aSet.count( canon ) );
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}
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// Register it
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aMap[aNetname] = canon;
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aSet.insert( canon );
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return canon;
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}
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/* Write all the accumuled data to the file in D356 format */
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static void write_D356_records( std::vector <D356_RECORD> &aRecords,
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FILE *fout )
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{
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// Sanified and shorted network names and set of short names
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std::map<wxString, wxString> d356_net_map;
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std::set<wxString> d356_net_set;
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for (unsigned i = 0; i < aRecords.size(); i++)
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{
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D356_RECORD &rk = aRecords[i];
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// Try to sanify the network name (there are limits on this), if
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// not already done. Also 'empty' net are marked as N/C, as
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// specified.
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wxString d356_net( wxT("N/C") );
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if( !rk.netname.empty() )
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{
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d356_net = d356_net_map[rk.netname];
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if( d356_net.empty() )
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d356_net = intern_new_d356_netname( rk.netname, d356_net_map,
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d356_net_set );
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}
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// Choose the best record type
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int rktype;
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if( rk.smd )
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rktype = 327;
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else
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{
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if( rk.mechanical )
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rktype = 367;
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else
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rktype = 317;
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}
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// Operation code, signal and component
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fprintf( fout, "%03d%-14.14s %-6.6s%c%-4.4s%c",
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rktype, TO_UTF8(d356_net),
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TO_UTF8(rk.refdes),
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rk.pin.empty()?' ':'-',
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TO_UTF8(rk.pin),
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rk.midpoint?'M':' ' );
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// Hole definition
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if( rk.hole )
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{
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fprintf( fout, "D%04d%c",
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iu_to_d356( rk.drill, 9999 ),
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rk.mechanical ? 'U':'P' );
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}
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else
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fprintf( fout, " " );
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// Test point access
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fprintf( fout, "A%02dX%+07dY%+07dX%04dY%04dR%03d",
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rk.access,
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iu_to_d356( rk.x_location, 999999 ),
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iu_to_d356( rk.y_location, 999999 ),
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iu_to_d356( rk.x_size, 9999 ),
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iu_to_d356( rk.y_size, 9999 ),
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rk.rotation );
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// Soldermask
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fprintf( fout, "S%d\n", rk.soldermask );
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}
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}
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/* Driver function: processing starts here */
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void PCB_EDIT_FRAME::GenD356File( wxCommandEvent& aEvent )
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{
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wxFileName fn = GetBoard()->GetFileName();
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wxString msg, ext, wildcard;
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FILE *file;
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ext = wxT( "d356" );
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wildcard = _( "IPC-D-356 Test Files (.d356)|*.d356" );
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fn.SetExt( ext );
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wxFileDialog dlg( this, _( "Export D-356 Test File" ), wxGetCwd(),
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fn.GetFullName(), wildcard,
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wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
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if( dlg.ShowModal() == wxID_CANCEL )
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return;
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if( ( file = wxFopen( dlg.GetPath(), wxT( "wt" ) ) ) == NULL )
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{
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msg = _( "Unable to create " ) + dlg.GetPath();
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DisplayError( this, msg ); return;
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}
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LOCALE_IO toggle; // Switch the locale to standard C
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// This will contain everything needed for the 356 file
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std::vector <D356_RECORD> d356_records;
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BOARD* pcb = GetBoard();
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build_via_testpoints( pcb, d356_records );
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build_pad_testpoints( pcb, d356_records );
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// Code 00 AFAIK is ASCII, CUST 0 is decimils/degrees
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// CUST 1 would be metric but gerbtool simply ignores it!
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fprintf( file, "P CODE 00\n" );
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fprintf( file, "P UNITS CUST 0\n" );
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fprintf( file, "P DIM N\n" );
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write_D356_records( d356_records, file );
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fprintf( file, "999\n" );
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fclose( file );
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}
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