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kicad/pcbnew/export_d356.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2011-2013 Lorenzo Marcantonio <l.marcantonio@logossrl.com>
* Copyright (C) 2004-2011 KiCad Developers, see change_log.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file export_d356.cpp
* @brief Export IPC-D-356 test format
*/
#include "fctsys.h"
#include "class_drawpanel.h"
#include "confirm.h"
#include "gestfich.h"
#include "appl_wxstruct.h"
#include "wxPcbStruct.h"
#include "trigo.h"
#include "build_version.h"
#include "macros.h"
#include "pcbnew.h"
#include "class_board.h"
#include "class_module.h"
#include "class_track.h"
#include "class_edge_mod.h"
#include <vector>
#include <cctype>
/* Structure for holding the D-356 record fields.
* Useful because 356A (when implemented) must be sorted before outputting it */
struct D356_RECORD
{
bool smd;
bool hole;
wxString netname;
wxString refdes;
wxString pin;
bool midpoint;
int drill;
bool mechanical;
int access; // Access 0 is 'both sides'
int soldermask;
// All these in PCB units, will be output in decimils
int x_location;
int y_location;
int x_size;
int y_size;
int rotation;
};
// Compute the access code for a pad. Returns -1 if there is no copper
static int compute_pad_access_code( BOARD *aPcb, LAYER_MSK aLayerMask )
{
// Non-copper is not interesting here
aLayerMask &= ALL_CU_LAYERS;
if( aLayerMask == 0 )
return -1;
// Traditional TH pad
if( (aLayerMask & LAYER_FRONT) && (aLayerMask & LAYER_BACK) )
return 0;
// Front SMD pad
if( (aLayerMask & LAYER_FRONT) )
return 1;
// Back SMD pad
if( (aLayerMask & LAYER_BACK) )
return aPcb->GetCopperLayerCount();
// OK, we have an inner-layer only pad (and I have no idea about
// what could be used for); anyway, find the first copper layer
// it's on
for (LAYER_NUM scan_layer = LAYER_N_2;
scan_layer < LAYER_N_BACK;
++scan_layer)
{
if( GetLayerMask( scan_layer ) & aLayerMask )
return scan_layer + 1;
}
// This shouldn't happen
return -1;
}
/* Convert and clamp a size from IU to decimils */
static int iu_to_d356(int iu, int clamp)
{
int val = KiROUND( iu / IU_PER_DECIMILS );
if( val > clamp ) return clamp;
if( val < -clamp ) return -clamp;
return val;
}
/* Extract the D356 record from the modules (pads) */
static void build_pad_testpoints( BOARD *aPcb,
std::vector <D356_RECORD>& aRecords )
{
wxPoint origin = aPcb->GetAuxOrigin();
for( MODULE *module = aPcb->m_Modules;
module != NULL; module = module->Next() )
{
for( D_PAD *pad = module->Pads(); pad != NULL; pad = pad->Next() )
{
D356_RECORD rk;
rk.access = compute_pad_access_code( aPcb, pad->GetLayerMask() );
// It could be a mask only pad, we only handle pads with copper here
if( rk.access != -1 )
{
rk.netname = pad->GetNetname();
rk.refdes = module->GetReference();
pad->ReturnStringPadName( rk.pin );
rk.midpoint = false; // XXX MAYBE need to be computed (how?)
const wxSize& drill = pad->GetDrillSize();
rk.drill = std::min( drill.x, drill.y );
rk.hole = (rk.drill != 0);
rk.smd = pad->GetAttribute() == PAD_SMD;
rk.mechanical = (pad->GetAttribute() == PAD_HOLE_NOT_PLATED);
rk.x_location = pad->GetPosition().x - origin.x;
rk.y_location = origin.y - pad->GetPosition().y;
rk.x_size = pad->GetSize().x;
// Rule: round pads have y = 0
if( pad->GetShape() == PAD_CIRCLE )
rk.y_size = 0;
else
rk.y_size = pad->GetSize().y;
rk.rotation = -KiROUND( pad->GetOrientation() ) / 10;
if( rk.rotation < 0 ) rk.rotation += 360;
// the value indicates which sides are *not* accessible
rk.soldermask = 3;
if( pad->GetLayerMask() & SOLDERMASK_LAYER_FRONT)
rk.soldermask &= ~1;
if( pad->GetLayerMask() & SOLDERMASK_LAYER_BACK)
rk.soldermask &= ~2;
aRecords.push_back( rk );
}
}
}
}
/* Compute the access code for a via. In D-356 layers are numbered from 1 up,
where '1' is the 'primary side' (usually the component side);
'0' means 'both sides', and other layers follows in an unspecified order */
static int via_access_code( BOARD *aPcb, int top_layer, int bottom_layer )
{
// Easy case for through vias: top_layer is component, bottom_layer is
// solder, access code is 0
if( (top_layer == LAYER_N_FRONT) && (bottom_layer == LAYER_N_BACK) )
return 0;
// Blind via, reachable from front
if( top_layer == LAYER_N_FRONT )
return 1;
// Blind via, reachable from bottom
if( bottom_layer == LAYER_N_BACK )
return aPcb->GetCopperLayerCount();
// It's a buried via, accessible from some inner layer
// (maybe could be used for testing before laminating? no idea)
return bottom_layer + 1; // XXX is this correct?
}
/* Extract the D356 record from the vias */
static void build_via_testpoints( BOARD *aPcb,
std::vector <D356_RECORD>& aRecords )
{
wxPoint origin = aPcb->GetAuxOrigin();
// Enumerate all the track segments and keep the vias
for( TRACK *track = aPcb->m_Track; track != NULL; track = track->Next() )
{
if( track->Type() == PCB_VIA_T )
{
SEGVIA *via = (SEGVIA*) track;
NETINFO_ITEM *net = aPcb->FindNet( track->GetNet() );
D356_RECORD rk;
rk.smd = false;
rk.hole = true;
if( net )
rk.netname = net->GetNetname();
else
rk.netname = wxEmptyString;
rk.refdes = wxT("VIA");
rk.pin = wxT("");
rk.midpoint = true; // Vias are always midpoints
rk.drill = via->GetDrillValue();
rk.mechanical = false;
LAYER_NUM top_layer, bottom_layer;
via->ReturnLayerPair( &top_layer, &bottom_layer );
rk.access = via_access_code( aPcb, top_layer, bottom_layer );
rk.x_location = via->GetPosition().x - origin.x;
rk.y_location = origin.y - via->GetPosition().y;
rk.x_size = via->GetWidth();
rk.y_size = 0; // Round so height = 0
rk.rotation = 0;
rk.soldermask = 3; // XXX always tented?
aRecords.push_back( rk );
}
}
}
/* Add a new netname to the d356 canonicalized list */
static const wxString intern_new_d356_netname( const wxString &aNetname,
std::map<wxString, wxString> &aMap, std::set<wxString> &aSet )
{
wxString canon;
for (wxString::const_iterator i = aNetname.begin();
i != aNetname.end(); ++i)
{
// Rule: we can only use the standard ASCII, control excluded
char ch = *i;
if( ch > 126 || !std::isgraph( ch ) )
ch = '?';
canon += ch;
}
// Rule: only uppercase (unofficial, but known to give problems
// otherwise)
canon.MakeUpper();
// Rule: maximum length is 14 characters, otherwise we keep the tail
if( canon.size() > 14 )
{
canon = canon.Right( 14 );
}
// Check if it's still unique
if( aSet.count( canon ) )
{
// Nope, need to uniquify it, trim it more and add a number
wxString base( canon );
if( base.size() > 10 )
{
base = base.Right( 10 );
}
int ctr = 0;
do
{
++ctr;
canon = base;
canon << '#' << ctr;
} while ( aSet.count( canon ) );
}
// Register it
aMap[aNetname] = canon;
aSet.insert( canon );
return canon;
}
/* Write all the accumuled data to the file in D356 format */
static void write_D356_records( std::vector <D356_RECORD> &aRecords,
FILE *fout )
{
// Sanified and shorted network names and set of short names
std::map<wxString, wxString> d356_net_map;
std::set<wxString> d356_net_set;
for (unsigned i = 0; i < aRecords.size(); i++)
{
D356_RECORD &rk = aRecords[i];
// Try to sanify the network name (there are limits on this), if
// not already done. Also 'empty' net are marked as N/C, as
// specified.
wxString d356_net( wxT("N/C") );
if( !rk.netname.empty() )
{
d356_net = d356_net_map[rk.netname];
if( d356_net.empty() )
d356_net = intern_new_d356_netname( rk.netname, d356_net_map,
d356_net_set );
}
// Choose the best record type
int rktype;
if( rk.smd )
rktype = 327;
else
{
if( rk.mechanical )
rktype = 367;
else
rktype = 317;
}
// Operation code, signal and component
fprintf( fout, "%03d%-14.14s %-6.6s%c%-4.4s%c",
rktype, TO_UTF8(d356_net),
TO_UTF8(rk.refdes),
rk.pin.empty()?' ':'-',
TO_UTF8(rk.pin),
rk.midpoint?'M':' ' );
// Hole definition
if( rk.hole )
{
fprintf( fout, "D%04d%c",
iu_to_d356( rk.drill, 9999 ),
rk.mechanical ? 'U':'P' );
}
else
fprintf( fout, " " );
// Test point access
fprintf( fout, "A%02dX%+07dY%+07dX%04dY%04dR%03d",
rk.access,
iu_to_d356( rk.x_location, 999999 ),
iu_to_d356( rk.y_location, 999999 ),
iu_to_d356( rk.x_size, 9999 ),
iu_to_d356( rk.y_size, 9999 ),
rk.rotation );
// Soldermask
fprintf( fout, "S%d\n", rk.soldermask );
}
}
/* Driver function: processing starts here */
void PCB_EDIT_FRAME::GenD356File( wxCommandEvent& aEvent )
{
wxFileName fn = GetBoard()->GetFileName();
wxString msg, ext, wildcard;
FILE *file;
ext = wxT( "d356" );
wildcard = _( "IPC-D-356 Test Files (.d356)|*.d356" );
fn.SetExt( ext );
wxFileDialog dlg( this, _( "Export D-356 Test File" ), wxGetCwd(),
fn.GetFullName(), wildcard,
wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
if( dlg.ShowModal() == wxID_CANCEL )
return;
if( ( file = wxFopen( dlg.GetPath(), wxT( "wt" ) ) ) == NULL )
{
msg = _( "Unable to create " ) + dlg.GetPath();
DisplayError( this, msg ); return;
}
LOCALE_IO toggle; // Switch the locale to standard C
// This will contain everything needed for the 356 file
std::vector <D356_RECORD> d356_records;
BOARD* pcb = GetBoard();
build_via_testpoints( pcb, d356_records );
build_pad_testpoints( pcb, d356_records );
// Code 00 AFAIK is ASCII, CUST 0 is decimils/degrees
// CUST 1 would be metric but gerbtool simply ignores it!
fprintf( file, "P CODE 00\n" );
fprintf( file, "P UNITS CUST 0\n" );
fprintf( file, "P DIM N\n" );
write_D356_records( d356_records, file );
fprintf( file, "999\n" );
fclose( file );
}
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