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kicad/pcbnew/exporters/gendrill_Excellon_writer.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 Jean_Pierre Charras <jp.charras at wanadoo.fr>
* Copyright (C) 2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.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 gendrill_Excellon_writer.cpp
* @brief Functions to create EXCELLON drill files and report files.
*/
/**
* @see for EXCELLON format, see:
* http://www.excellon.com/manuals/program.htm
* and the CNC-7 manual.
*/
#include <plotters/plotter.h>
#include <string_utils.h>
#include <locale_io.h>
#include <macros.h>
#include <pcb_edit_frame.h>
#include <build_version.h>
#include <math/util.h> // for KiROUND
#include <trigo.h>
#include <pcbplot.h>
#include <board.h>
#include <gendrill_Excellon_writer.h>
#include <wildcards_and_files_ext.h>
#include <reporter.h>
#include <gbr_metadata.h>
// Oblong holes can be drilled by a "canned slot" command (G85) or a routing command
// a linear routing command (G01) is perhaps more usual for drill files
//
// set m_useRouteModeForOval to false to use a canned slot hole (old way)
// set m_useRouteModeForOval to true (preferred mode) to use a linear routed hole (new way)
EXCELLON_WRITER::EXCELLON_WRITER( BOARD* aPcb )
: GENDRILL_WRITER_BASE( aPcb )
{
m_file = nullptr;
m_zeroFormat = DECIMAL_FORMAT;
m_conversionUnits = 0.0001;
m_mirror = false;
m_merge_PTH_NPTH = false;
m_minimalHeader = false;
m_drillFileExtension = FILEEXT::DrillFileExtension;
m_useRouteModeForOval = true;
}
bool EXCELLON_WRITER::CreateDrillandMapFilesSet( const wxString& aPlotDirectory, bool aGenDrill,
bool aGenMap, REPORTER * aReporter )
{
bool success = true;
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.emplace_back( 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.
// Also a PTH drill/map file is always created, to be sure at least one plated hole
// drill file is created (do not create any PTH drill file can be seen as not working
// drill generator).
if( getHolesCount() > 0 || doing_npth || pair == DRILL_LAYER_PAIR( F_Cu, B_Cu ) )
{
fn = getDrillFileName( pair, doing_npth, m_merge_PTH_NPTH );
fn.SetPath( aPlotDirectory );
if( aGenDrill )
{
wxString fullFilename = fn.GetFullPath();
FILE* file = wxFopen( fullFilename, wxT( "w" ) );
if( file == nullptr )
{
if( aReporter )
{
msg.Printf( _( "Failed to create file '%s'." ), fullFilename );
aReporter->Report( msg, RPT_SEVERITY_ERROR );
success = false;
}
break;
}
else
{
if( aReporter )
{
msg.Printf( _( "Created file '%s'" ), fullFilename );
aReporter->Report( msg, RPT_SEVERITY_ACTION );
}
}
TYPE_FILE file_type = TYPE_FILE::PTH_FILE;
// Only external layer pair can have non plated hole
// internal layers have only plated via holes
if( pair == DRILL_LAYER_PAIR( F_Cu, B_Cu ) )
{
if( m_merge_PTH_NPTH )
file_type = TYPE_FILE::MIXED_FILE;
else if( doing_npth )
file_type = TYPE_FILE::NPTH_FILE;
}
createDrillFile( file, pair, file_type );
}
}
}
if( aGenMap )
success &= CreateMapFilesSet( aPlotDirectory, aReporter );
if( aReporter )
aReporter->ReportTail( _( "Done." ), RPT_SEVERITY_INFO );
return success;
}
void EXCELLON_WRITER::writeHoleAttribute( HOLE_ATTRIBUTE aAttribute )
{
// Hole attributes are comments (lines starting by ';') in the drill files
// For tools (file header), they are similar to X2 apertures attributes.
// for attributes added in coordinate list, they are just comments.
if( !m_minimalHeader )
{
switch( aAttribute )
{
case HOLE_ATTRIBUTE::HOLE_VIA_THROUGH:
fprintf( m_file, "; #@! TA.AperFunction,Plated,PTH,ViaDrill\n" );
break;
case HOLE_ATTRIBUTE::HOLE_VIA_BURIED:
fprintf( m_file, "; #@! TA.AperFunction,Plated,Buried,ViaDrill\n" );
break;
case HOLE_ATTRIBUTE::HOLE_PAD:
fprintf( m_file, "; #@! TA.AperFunction,Plated,PTH,ComponentDrill\n" );
break;
case HOLE_ATTRIBUTE::HOLE_MECHANICAL:
fprintf( m_file, "; #@! TA.AperFunction,NonPlated,NPTH,ComponentDrill\n" );
break;
case HOLE_ATTRIBUTE::HOLE_UNKNOWN:
fprintf( m_file, "; #@! TD\n" );
break;
}
}
}
int EXCELLON_WRITER::createDrillFile( FILE* aFile, DRILL_LAYER_PAIR aLayerPair,
TYPE_FILE aHolesType )
{
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( aLayerPair, aHolesType );
holes_count = 0;
/* Write the tool list */
for( unsigned ii = 0; ii < m_toolListBuffer.size(); ii++ )
{
DRILL_TOOL& tool_descr = m_toolListBuffer[ii];
#if USE_ATTRIB_FOR_HOLES
writeHoleAttribute( tool_descr.m_HoleAttribute );
#endif
// if units are mm, the resolution is 0.001 mm (3 digits in mantissa)
// if units are inches, the resolution is 0.1 mil (4 digits in mantissa)
if( m_unitsMetric )
fprintf( m_file, "T%dC%.3f\n", ii + 1, tool_descr.m_Diameter * m_conversionUnits );
else
fprintf( m_file, "T%dC%.4f\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
/* Read the hole list and generate data 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, sizeof( line ), xt, yt );
fputs( line, m_file );
holes_count++;
}
/* Read the hole list and generate data for oblong holes
*/
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;
if( m_useRouteModeForOval )
fputs( "G00", m_file ); // Select the routing mode
writeCoordinates( line, sizeof( line ), xt, yt );
if( !m_useRouteModeForOval )
{
/* 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] < ' ' )
line[kk] = 0;
}
fputs( line, m_file );
fputs( "G85", m_file ); // add the "G85" command
}
else
{
fputs( line, m_file );
fputs( "M15\nG01", m_file ); // tool down and linear routing from last coordinates
}
xt = xf * m_conversionUnits;
yt = yf * m_conversionUnits;
writeCoordinates( line, sizeof( line ), xt, yt );
fputs( line, m_file );
if( m_useRouteModeForOval )
fputs( "M16\n", m_file ); // Tool up (end routing)
fputs( "G05\n", m_file ); // Select drill mode
holes_count++;
}
writeEXCELLONEndOfFile();
return holes_count;
}
void EXCELLON_WRITER::SetFormat( bool aMetric, ZEROS_FMT aZerosFmt, int aLeftDigits,
int aRightDigits )
{
m_unitsMetric = aMetric;
m_zeroFormat = aZerosFmt;
/* Set conversion scale depending on drill file units */
if( m_unitsMetric )
m_conversionUnits = 1.0 / pcbIUScale.IU_PER_MM; // EXCELLON units = mm
else
m_conversionUnits = 0.001 / pcbIUScale.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_unitsMetric ? 3 : 2;
if( aRightDigits <= 0 )
aRightDigits = m_unitsMetric ? 3 : 4;
m_precision.m_Lhs = aLeftDigits;
m_precision.m_Rhs = aRightDigits;
}
void EXCELLON_WRITER::writeCoordinates( char* aLine, size_t aLineSize, 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_unitsMetric )
{
// 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();
if( xs.Last() == '.' ) // however keep a trailing 0 after the floating point separator
xs << '0';
while( ys.Last() == '0' )
ys.RemoveLast();
if( ys.Last() == '.' )
ys << '0';
std::snprintf( aLine, aLineSize, "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;
}
std::snprintf( aLine, aLineSize, "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-- );
std::snprintf( aLine, aLineSize, "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 ) );
std::snprintf( aLine, aLineSize, "X%sY%s\n", TO_UTF8( xs ), TO_UTF8( ys ) );
break;
}
}
void EXCELLON_WRITER::writeEXCELLONHeader( DRILL_LAYER_PAIR aLayerPair, TYPE_FILE aHolesType )
{
fputs( "M48\n", m_file ); // The beginning of a header
if( !m_minimalHeader )
{
// The next lines in EXCELLON files are comments:
wxString msg;
msg << wxT( "KiCad " ) << GetBuildVersion();
fprintf( m_file, "; DRILL file {%s} date %s\n", TO_UTF8( msg ), TO_UTF8( GetISO8601CurrentDateTime() ) );
msg = wxT( "; FORMAT={" );
// Print precision:
// Note in decimal format the precision is not used.
// the floating point notation has higher priority than the 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_unitsMetric ? 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] << wxT( "}\n" );
fputs( TO_UTF8( msg ), m_file );
// add the structured comment TF.CreationDate:
// The attribute value must conform to the full version of the ISO 8601
msg = GbrMakeCreationDateAttributeString( GBR_NC_STRING_FORMAT_NCDRILL ) + wxT( "\n" );
fputs( TO_UTF8( msg ), m_file );
// Add the application name that created the drill file
msg = wxT( "; #@! TF.GenerationSoftware,Kicad,Pcbnew," );
msg << GetBuildVersion() << wxT( "\n" );
fputs( TO_UTF8( msg ), m_file );
// Add the standard X2 FileFunction for drill files
// TF.FileFunction,Plated[NonPlated],layer1num,layer2num,PTH[NPTH]
msg = BuildFileFunctionAttributeString( aLayerPair, aHolesType , true ) + wxT( "\n" );
fputs( TO_UTF8( msg ), m_file );
fputs( "FMAT,2\n", m_file ); // Use Format 2 commands (version used since 1979)
}
fputs( m_unitsMetric ? "METRIC" : "INCH", m_file );
switch( m_zeroFormat )
{
case DECIMAL_FORMAT:
fputs( "\n", m_file );
break;
case SUPPRESS_LEADING:
fputs( ",TZ\n", m_file );
break;
case SUPPRESS_TRAILING:
fputs( ",LZ\n", m_file );
break;
case KEEP_ZEROS:
// write nothing, but TZ is acceptable when all zeros are kept
fputs( "\n", m_file );
break;
}
}
void EXCELLON_WRITER::writeEXCELLONEndOfFile()
{
// add if minimal here
fputs( "M30\n", m_file );
fclose( m_file );
}
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