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kicad/pcbnew/exporters/gendrill_Excellon_writer.cpp

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/**
* @file gendrill_Excellon_writer.cpp
* @brief Functions to create EXCELLON drill files and report files.
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 Jean_Pierre Charras <jp.charras at wanadoo.fr>
* Copyright (C) 2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2017 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
*/
/**
* @see for EXCELLON format, see:
* http://www.excellon.com/manuals/program.htm
* and the CNC-7 manual.
*/
#include <fctsys.h>
#include <vector>
#include <plot_common.h>
#include <trigo.h>
#include <macros.h>
#include <kicad_string.h>
#include <wxPcbStruct.h>
#include <pgm_base.h>
#include <build_version.h>
#include <class_board.h>
#include <class_module.h>
#include <class_track.h>
#include <pcbplot.h>
#include <pcbnew.h>
#include <gendrill_Excellon_writer.h>
#include <wildcards_and_files_ext.h>
#include <reporter.h>
#include <collectors.h>
// Comment/uncomment this to write or not a comment
// in drill file when PTH and NPTH are merged to flag
// tools used for PTH and tools used for NPTH
// #define WRITE_PTH_NPTH_COMMENT
EXCELLON_WRITER::EXCELLON_WRITER( BOARD* aPcb )
{
m_file = NULL;
m_pcb = aPcb;
m_zeroFormat = DECIMAL_FORMAT;
m_conversionUnits = 0.0001;
m_unitsDecimal = true;
m_mirror = false;
m_merge_PTH_NPTH = false;
m_minimalHeader = false;
m_ShortHeader = false;
m_mapFileFmt = PLOT_FORMAT_PDF;
m_pageInfo = NULL;
}
void EXCELLON_WRITER::CreateDrillandMapFilesSet( const wxString& aPlotDirectory,
bool aGenDrill, bool aGenMap,
REPORTER * aReporter )
{
wxFileName fn;
wxString msg;
std::vector<DRILL_LAYER_PAIR> hole_sets = getUniqueLayerPairs();
// append a pair representing the NPTH set of holes, for separate drill files.
if( !m_merge_PTH_NPTH )
hole_sets.push_back( DRILL_LAYER_PAIR( F_Cu, B_Cu ) );
for( std::vector<DRILL_LAYER_PAIR>::const_iterator it = hole_sets.begin();
it != hole_sets.end(); ++it )
{
DRILL_LAYER_PAIR pair = *it;
// For separate drill files, the last layer pair is the NPTH drill file.
bool doing_npth = m_merge_PTH_NPTH ? false : ( it == hole_sets.end() - 1 );
buildHolesList( pair, doing_npth );
// The file is created if it has holes, or if it is the non plated drill file
// to be sure the NPTH file is up to date in separate files mode.
if( getHolesCount() > 0 || doing_npth )
{
fn = drillFileName( pair, doing_npth, m_merge_PTH_NPTH );
fn.SetPath( aPlotDirectory );
if( aGenDrill )
{
wxString fullFilename = fn.GetFullPath();
FILE* file = wxFopen( fullFilename, wxT( "w" ) );
if( file == NULL )
{
if( aReporter )
{
msg.Printf( _( "** Unable to create %s **\n" ), GetChars( fullFilename ) );
aReporter->Report( msg );
}
break;
}
else
{
if( aReporter )
{
msg.Printf( _( "Create file %s\n" ), GetChars( fullFilename ) );
aReporter->Report( msg );
}
}
createDrillFile( file );
}
if( aGenMap )
{
fn.SetExt( wxEmptyString ); // Will be added by GenDrillMap
wxString fullfilename = fn.GetFullPath() + wxT( "-drl_map" );
fullfilename << wxT(".") << GetDefaultPlotExtension( m_mapFileFmt );
bool success = GenDrillMapFile( fullfilename, m_mapFileFmt );
if( ! success )
{
if( aReporter )
{
msg.Printf( _( "** Unable to create %s **\n" ), GetChars( fullfilename ) );
aReporter->Report( msg );
}
return;
}
else
{
if( aReporter )
{
msg.Printf( _( "Create file %s\n" ), GetChars( fullfilename ) );
aReporter->Report( msg );
}
}
}
}
}
}
int EXCELLON_WRITER::createDrillFile( FILE* aFile )
{
m_file = aFile;
int diam, holes_count;
int x0, y0, xf, yf, xc, yc;
double xt, yt;
char line[1024];
LOCALE_IO dummy; // Use the standard notation for double numbers
writeEXCELLONHeader();
holes_count = 0;
#ifdef WRITE_PTH_NPTH_COMMENT
// if PTH_ and NPTH are merged write a comment in drill file at the
// beginning of NPTH section
bool writePTHcomment = m_merge_PTH_NPTH;
bool writeNPTHcomment = m_merge_PTH_NPTH;
#endif
/* Write the tool list */
for( unsigned ii = 0; ii < m_toolListBuffer.size(); ii++ )
{
DRILL_TOOL& tool_descr = m_toolListBuffer[ii];
#ifdef WRITE_PTH_NPTH_COMMENT
if( writePTHcomment && !tool_descr.m_Hole_NotPlated )
{
writePTHcomment = false;
fprintf( m_file, ";TYPE=PLATED\n" );
}
if( writeNPTHcomment && tool_descr.m_Hole_NotPlated )
{
writeNPTHcomment = false;
fprintf( m_file, ";TYPE=NON_PLATED\n" );
}
#endif
fprintf( m_file, "T%dC%.3f\n", ii + 1, tool_descr.m_Diameter * m_conversionUnits );
}
fputs( "%\n", m_file ); // End of header info
fputs( "G90\n", m_file ); // Absolute mode
fputs( "G05\n", m_file ); // Drill mode
// Units :
if( !m_minimalHeader )
{
if( m_unitsDecimal )
fputs( "M71\n", m_file ); /* M71 = metric mode */
else
fputs( "M72\n", m_file ); /* M72 = inch mode */
}
/* Read the hole file and generate lines for normal holes (oblong
* holes will be created later) */
int tool_reference = -2;
for( unsigned ii = 0; ii < m_holeListBuffer.size(); ii++ )
{
HOLE_INFO& hole_descr = m_holeListBuffer[ii];
if( hole_descr.m_Hole_Shape )
continue; // oblong holes will be created later
if( tool_reference != hole_descr.m_Tool_Reference )
{
tool_reference = hole_descr.m_Tool_Reference;
fprintf( m_file, "T%d\n", tool_reference );
}
x0 = hole_descr.m_Hole_Pos.x - m_offset.x;
y0 = hole_descr.m_Hole_Pos.y - m_offset.y;
if( !m_mirror )
y0 *= -1;
xt = x0 * m_conversionUnits;
yt = y0 * m_conversionUnits;
writeCoordinates( line, xt, yt );
fputs( line, m_file );
holes_count++;
}
/* Read the hole file and generate lines for normal holes (oblong holes
* will be created later) */
tool_reference = -2; // set to a value not used for
// m_holeListBuffer[ii].m_Tool_Reference
for( unsigned ii = 0; ii < m_holeListBuffer.size(); ii++ )
{
HOLE_INFO& hole_descr = m_holeListBuffer[ii];
if( hole_descr.m_Hole_Shape == 0 )
continue; // wait for oblong holes
if( tool_reference != hole_descr.m_Tool_Reference )
{
tool_reference = hole_descr.m_Tool_Reference;
fprintf( m_file, "T%d\n", tool_reference );
}
diam = std::min( hole_descr.m_Hole_Size.x, hole_descr.m_Hole_Size.y );
if( diam == 0 )
continue;
/* Compute the hole coordinates: */
xc = x0 = xf = hole_descr.m_Hole_Pos.x - m_offset.x;
yc = y0 = yf = hole_descr.m_Hole_Pos.y - m_offset.y;
/* Compute the start and end coordinates for the shape */
if( hole_descr.m_Hole_Size.x < hole_descr.m_Hole_Size.y )
{
int delta = ( hole_descr.m_Hole_Size.y - hole_descr.m_Hole_Size.x ) / 2;
y0 -= delta;
yf += delta;
}
else
{
int delta = ( hole_descr.m_Hole_Size.x - hole_descr.m_Hole_Size.y ) / 2;
x0 -= delta;
xf += delta;
}
RotatePoint( &x0, &y0, xc, yc, hole_descr.m_Hole_Orient );
RotatePoint( &xf, &yf, xc, yc, hole_descr.m_Hole_Orient );
if( !m_mirror )
{
y0 *= -1;
yf *= -1;
}
xt = x0 * m_conversionUnits;
yt = y0 * m_conversionUnits;
writeCoordinates( line, xt, yt );
/* remove the '\n' from end of line, because we must add the "G85"
* command to the line: */
for( int kk = 0; line[kk] != 0; kk++ )
{
if( line[kk] == '\n' || line[kk] =='\r' )
line[kk] = 0;
}
fputs( line, m_file );
fputs( "G85", m_file ); // add the "G85" command
xt = xf * m_conversionUnits;
yt = yf * m_conversionUnits;
writeCoordinates( line, xt, yt );
fputs( line, m_file );
fputs( "G05\n", m_file );
holes_count++;
}
writeEXCELLONEndOfFile();
return holes_count;
}
void EXCELLON_WRITER::SetFormat( bool aMetric,
ZEROS_FMT aZerosFmt,
int aLeftDigits,
int aRightDigits )
{
m_unitsDecimal = aMetric;
m_zeroFormat = aZerosFmt;
/* Set conversion scale depending on drill file units */
if( m_unitsDecimal )
m_conversionUnits = 1.0 / IU_PER_MM; // EXCELLON units = mm
else
m_conversionUnits = 0.001 / IU_PER_MILS; // EXCELLON units = INCHES
// Set the zero counts. if aZerosFmt == DECIMAL_FORMAT, these values
// will be set, but not used.
if( aLeftDigits <= 0 )
aLeftDigits = m_unitsDecimal ? 3 : 2;
if( aRightDigits <= 0 )
aRightDigits = m_unitsDecimal ? 3 : 4;
m_precision.m_lhs = aLeftDigits;
m_precision.m_rhs = aRightDigits;
}
void EXCELLON_WRITER::writeCoordinates( char* aLine, double aCoordX, double aCoordY )
{
wxString xs, ys;
int xpad = m_precision.m_lhs + m_precision.m_rhs;
int ypad = xpad;
switch( m_zeroFormat )
{
default:
case DECIMAL_FORMAT:
/* In Excellon files, resolution is 1/1000 mm or 1/10000 inch (0.1 mil)
* Although in decimal format, Excellon specifications do not specify
* clearly the resolution. However it seems to be 1/1000mm or 0.1 mil
* like in non decimal formats, so we trunk coordinates to 3 or 4 digits in mantissa
* Decimal format just prohibit useless leading 0:
* 0.45 or .45 is right, but 00.54 is incorrect.
*/
if( m_unitsDecimal )
{
// resolution is 1/1000 mm
xs.Printf( wxT( "%.3f" ), aCoordX );
ys.Printf( wxT( "%.3f" ), aCoordY );
}
else
{
// resolution is 1/10000 inch
xs.Printf( wxT( "%.4f" ), aCoordX );
ys.Printf( wxT( "%.4f" ), aCoordY );
}
//Remove useless trailing 0
while( xs.Last() == '0' )
xs.RemoveLast();
while( ys.Last() == '0' )
ys.RemoveLast();
sprintf( aLine, "X%sY%s\n", TO_UTF8( xs ), TO_UTF8( ys ) );
break;
case SUPPRESS_LEADING:
for( int i = 0; i< m_precision.m_rhs; i++ )
{
aCoordX *= 10; aCoordY *= 10;
}
sprintf( aLine, "X%dY%d\n", KiROUND( aCoordX ), KiROUND( aCoordY ) );
break;
case SUPPRESS_TRAILING:
{
for( int i = 0; i < m_precision.m_rhs; i++ )
{
aCoordX *= 10;
aCoordY *= 10;
}
if( aCoordX < 0 )
xpad++;
if( aCoordY < 0 )
ypad++;
xs.Printf( wxT( "%0*d" ), xpad, KiROUND( aCoordX ) );
ys.Printf( wxT( "%0*d" ), ypad, KiROUND( aCoordY ) );
size_t j = xs.Len() - 1;
while( xs[j] == '0' && j )
xs.Truncate( j-- );
j = ys.Len() - 1;
while( ys[j] == '0' && j )
ys.Truncate( j-- );
sprintf( aLine, "X%sY%s\n", TO_UTF8( xs ), TO_UTF8( ys ) );
break;
}
case KEEP_ZEROS:
for( int i = 0; i< m_precision.m_rhs; i++ )
{
aCoordX *= 10; aCoordY *= 10;
}
if( aCoordX < 0 )
xpad++;
if( aCoordY < 0 )
ypad++;
xs.Printf( wxT( "%0*d" ), xpad, KiROUND( aCoordX ) );
ys.Printf( wxT( "%0*d" ), ypad, KiROUND( aCoordY ) );
sprintf( aLine, "X%sY%s\n", TO_UTF8( xs ), TO_UTF8( ys ) );
break;
}
}
void EXCELLON_WRITER::writeEXCELLONHeader()
{
fputs( "M48\n", m_file ); // The beginning of a header
if( !m_minimalHeader )
{
// The next 2 lines in EXCELLON files are comments:
wxString msg;
msg << wxT("KiCad") << wxT( " " ) << GetBuildVersion();
fprintf( m_file, ";DRILL file {%s} date %s\n", TO_UTF8( msg ), TO_UTF8( DateAndTime() ) );
msg = wxT( ";FORMAT={" );
// Print precision:
if( m_zeroFormat != DECIMAL_FORMAT )
msg << m_precision.GetPrecisionString();
else
msg << wxT( "-:-" ); // in decimal format the precision is irrelevant
msg << wxT( "/ absolute / " );
msg << ( m_unitsDecimal ? wxT( "metric" ) : wxT( "inch" ) );
/* Adding numbers notation format.
* this is same as m_Choice_Zeros_Format strings, but NOT translated
* because some EXCELLON parsers do not like non ASCII values
* so we use ONLY English (ASCII) strings.
* if new options are added in m_Choice_Zeros_Format, they must also
* be added here
*/
msg << wxT( " / " );
const wxString zero_fmt[4] =
{
wxT( "decimal" ),
wxT( "suppress leading zeros" ),
wxT( "suppress trailing zeros" ),
wxT( "keep zeros" )
};
msg << zero_fmt[m_zeroFormat];
msg << wxT( "}\n" );
fputs( TO_UTF8( msg ), m_file );
fputs( "FMAT,2\n", m_file ); // Use Format 2 commands (version used since 1979)
}
fputs( m_unitsDecimal ? "METRIC" : "INCH", m_file );
switch( m_zeroFormat )
{
case SUPPRESS_LEADING:
case DECIMAL_FORMAT:
fputs( ",TZ\n", m_file );
break;
case SUPPRESS_TRAILING:
fputs( ",LZ\n", m_file );
break;
case KEEP_ZEROS:
fputs( ",TZ\n", m_file ); // TZ is acceptable when all zeros are kept
break;
}
}
void EXCELLON_WRITER::writeEXCELLONEndOfFile()
{
//add if minimal here
fputs( "T0\nM30\n", m_file );
fclose( m_file );
}
/* Helper function for sorting hole list.
* Compare function used for sorting holes type type (plated then not plated)
* then by increasing diameter value and X value
*/
static bool CmpHoleSettings( const HOLE_INFO& a, const HOLE_INFO& b )
{
if( a.m_Hole_NotPlated != b.m_Hole_NotPlated )
return b.m_Hole_NotPlated;
if( a.m_Hole_Diameter != b.m_Hole_Diameter )
return a.m_Hole_Diameter < b.m_Hole_Diameter;
if( a.m_Hole_Pos.x != b.m_Hole_Pos.x )
return a.m_Hole_Pos.x < b.m_Hole_Pos.x;
return a.m_Hole_Pos.y < b.m_Hole_Pos.y;
}
void EXCELLON_WRITER::buildHolesList( DRILL_LAYER_PAIR aLayerPair,
bool aGenerateNPTH_list )
{
HOLE_INFO new_hole;
m_holeListBuffer.clear();
m_toolListBuffer.clear();
wxASSERT( aLayerPair.first < aLayerPair.second ); // fix the caller
// build hole list for vias
if( ! aGenerateNPTH_list ) // vias are always plated !
{
for( VIA* via = GetFirstVia( m_pcb->m_Track ); via; via = GetFirstVia( via->Next() ) )
{
int hole_sz = via->GetDrillValue();
if( hole_sz == 0 ) // Should not occur.
continue;
new_hole.m_Tool_Reference = -1; // Flag value for Not initialized
new_hole.m_Hole_Orient = 0;
new_hole.m_Hole_Diameter = hole_sz;
new_hole.m_Hole_NotPlated = false;
new_hole.m_Hole_Size.x = new_hole.m_Hole_Size.y = new_hole.m_Hole_Diameter;
new_hole.m_Hole_Shape = 0; // hole shape: round
new_hole.m_Hole_Pos = via->GetStart();
via->LayerPair( &new_hole.m_Hole_Top_Layer, &new_hole.m_Hole_Bottom_Layer );
// LayerPair() returns params with m_Hole_Bottom_Layer > m_Hole_Top_Layer
// Remember: top layer = 0 and bottom layer = 31 for through hole vias
// Any captured via should be from aLayerPair.first to aLayerPair.second exactly.
if( new_hole.m_Hole_Top_Layer != aLayerPair.first ||
new_hole.m_Hole_Bottom_Layer != aLayerPair.second )
continue;
m_holeListBuffer.push_back( new_hole );
}
}
if( aLayerPair == DRILL_LAYER_PAIR( F_Cu, B_Cu ) )
{
// add holes for thru hole pads
for( MODULE* module = m_pcb->m_Modules; module; module = module->Next() )
{
for( D_PAD* pad = module->Pads(); pad; pad = pad->Next() )
{
if( !m_merge_PTH_NPTH )
{
if( !aGenerateNPTH_list && pad->GetAttribute() == PAD_ATTRIB_HOLE_NOT_PLATED )
continue;
if( aGenerateNPTH_list && pad->GetAttribute() != PAD_ATTRIB_HOLE_NOT_PLATED )
continue;
}
if( pad->GetDrillSize().x == 0 )
continue;
new_hole.m_Hole_NotPlated = (pad->GetAttribute() == PAD_ATTRIB_HOLE_NOT_PLATED);
new_hole.m_Tool_Reference = -1; // Flag is: Not initialized
new_hole.m_Hole_Orient = pad->GetOrientation();
new_hole.m_Hole_Shape = 0; // hole shape: round
new_hole.m_Hole_Diameter = std::min( pad->GetDrillSize().x, pad->GetDrillSize().y );
new_hole.m_Hole_Size.x = new_hole.m_Hole_Size.y = new_hole.m_Hole_Diameter;
if( pad->GetDrillShape() != PAD_DRILL_SHAPE_CIRCLE )
new_hole.m_Hole_Shape = 1; // oval flag set
new_hole.m_Hole_Size = pad->GetDrillSize();
new_hole.m_Hole_Pos = pad->GetPosition(); // hole position
new_hole.m_Hole_Bottom_Layer = B_Cu;
new_hole.m_Hole_Top_Layer = F_Cu; // pad holes are through holes
m_holeListBuffer.push_back( new_hole );
}
}
}
// Sort holes per increasing diameter value
sort( m_holeListBuffer.begin(), m_holeListBuffer.end(), CmpHoleSettings );
// build the tool list
int last_hole = -1; // Set to not initialized (this is a value not used
// for m_holeListBuffer[ii].m_Hole_Diameter)
bool last_notplated_opt = false;
DRILL_TOOL new_tool( 0, false );
unsigned jj;
for( unsigned ii = 0; ii < m_holeListBuffer.size(); ii++ )
{
if( m_holeListBuffer[ii].m_Hole_Diameter != last_hole ||
m_holeListBuffer[ii].m_Hole_NotPlated != last_notplated_opt )
{
new_tool.m_Diameter = m_holeListBuffer[ii].m_Hole_Diameter;
new_tool.m_Hole_NotPlated = m_holeListBuffer[ii].m_Hole_NotPlated;
m_toolListBuffer.push_back( new_tool );
last_hole = new_tool.m_Diameter;
last_notplated_opt = new_tool.m_Hole_NotPlated;
}
jj = m_toolListBuffer.size();
if( jj == 0 )
continue; // Should not occurs
m_holeListBuffer[ii].m_Tool_Reference = jj; // Tool value Initialized (value >= 1)
m_toolListBuffer.back().m_TotalCount++;
if( m_holeListBuffer[ii].m_Hole_Shape )
m_toolListBuffer.back().m_OvalCount++;
}
}
std::vector<DRILL_LAYER_PAIR> EXCELLON_WRITER::getUniqueLayerPairs() const
{
wxASSERT( m_pcb );
static const KICAD_T interesting_stuff_to_collect[] = {
PCB_VIA_T,
EOT
};
PCB_TYPE_COLLECTOR vias;
vias.Collect( m_pcb, interesting_stuff_to_collect );
std::set< DRILL_LAYER_PAIR > unique;
DRILL_LAYER_PAIR layer_pair;
for( int i = 0; i < vias.GetCount(); ++i )
{
VIA* v = (VIA*) vias[i];
v->LayerPair( &layer_pair.first, &layer_pair.second );
// only make note of blind buried.
// thru hole is placed unconditionally as first in fetched list.
if( layer_pair != DRILL_LAYER_PAIR( F_Cu, B_Cu ) )
{
unique.insert( layer_pair );
}
}
std::vector<DRILL_LAYER_PAIR> ret;
ret.push_back( DRILL_LAYER_PAIR( F_Cu, B_Cu ) ); // always first in returned list
for( std::set< DRILL_LAYER_PAIR >::const_iterator it = unique.begin(); it != unique.end(); ++it )
ret.push_back( *it );
return ret;
}
const std::string EXCELLON_WRITER::layerName( LAYER_ID aLayer ) const
{
// Generic names here.
switch( aLayer )
{
case F_Cu:
return "front";
case B_Cu:
return "back";
default:
return StrPrintf( "inner%d", aLayer );
}
}
const std::string EXCELLON_WRITER::layerPairName( DRILL_LAYER_PAIR aPair ) const
{
std::string ret = layerName( aPair.first );
ret += '-';
ret += layerName( aPair.second );
return ret;
}
const wxString EXCELLON_WRITER::drillFileName( DRILL_LAYER_PAIR aPair, bool aNPTH,
bool aMerge_PTH_NPTH ) const
{
wxASSERT( m_pcb );
wxString extend;
if( aNPTH )
extend = "-NPTH";
else if( aPair == DRILL_LAYER_PAIR( F_Cu, B_Cu ) )
{
if( !aMerge_PTH_NPTH )
extend = "-PTH";
// if merged, extend with nothing
}
else
{
extend += '-';
extend += layerPairName( aPair );
}
wxFileName fn = m_pcb->GetFileName();
fn.SetName( fn.GetName() + extend );
fn.SetExt( DrillFileExtension );
wxString ret = fn.GetFullName(); // show me in debugger
return ret;
}
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