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kicad/gerbview/excellon_read_drill_file.cpp

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/**
* @file excellon_read_drill_file.cpp
* Functions to read drill files (EXCELLON format) created by Pcbnew
* These files use only a subset of EXCELLON commands.
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2011 Jean-Pierre Charras <jean-pierre.charras@gipsa-lab.inpg.fr>
* Copyright (C) 1992-2011 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
*/
/*
* Here is a sample of drill files created by Pcbnew, in decimal format:
* (Note: coordinates formats are same as Gerber, and T commands are near Gerber D commands).
* M48
* ;DRILL file {PCBnew (2011-03-14 BZR 2894)-testing} date 15/03/2011 14:23:22
* ;FORMAT={-:-/ absolute / inch / decimal}
* FMAT,2
* INCH,TZ
* T1C0.02
* T2C0.032
* %
* G90
* G05
* M72
* T1
* X1.580Y-1.360
* X1.580Y-4.860
* X8.680Y-1.360
* X8.680Y-4.860
* T2
* X2.930Y-3.560
* X5.280Y-2.535
* X5.405Y-2.610
* X5.620Y-2.900
* T0
* M30
*/
/*
* Note there are some variant of tool definition:
* T1F00S00C0.2 or T1C0.02F00S00 ... Feed Rate and Spindle Speed of Tool 1
* Feed Rate and Spindle Speed are just skipped because they are not used in a viewer
*/
#include <fctsys.h>
#include <common.h>
#include <confirm.h>
#include <gerbview.h>
#include <gerbview_frame.h>
#include <trigo.h>
#include <macros.h>
#include <base_units.h>
#include <class_gerber_draw_item.h>
#include <class_GERBER.h>
#include <class_excellon.h>
#include <kicad_string.h>
#include <cmath>
#include <html_messagebox.h>
// Default format for dimensions
// number of digits in mantissa:
static int fmtMantissaMM = 3;
static int fmtMantissaInch = 4;
// number of digits, integer part:
static int fmtIntegerMM = 3;
static int fmtIntegerInch = 2;
extern int ReadInt( char*& text, bool aSkipSeparator = true );
extern double ReadDouble( char*& text, bool aSkipSeparator = true );
extern void fillFlashedGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
APERTURE_T aAperture,
int Dcode_index,
int aLayer,
const wxPoint& aPos,
wxSize aSize,
bool aLayerNegative );
void fillLineGBRITEM( GERBER_DRAW_ITEM* aGbrItem,
int Dcode_index,
int aLayer,
const wxPoint& aStart,
const wxPoint& aEnd,
wxSize aPenSize,
bool aLayerNegative );
static EXCELLON_CMD excellonHeaderCmdList[] =
{
{ "M0", DRILL_M_END, -1 }, // End of Program - No Rewind
{ "M00", DRILL_M_END, -1 }, // End of Program - No Rewind
{ "M30", DRILL_M_ENDREWIND, -1 }, // End of Program Rewind
{ "M47", DRILL_M_MESSAGE, -1 }, // Operator Message
{ "M45", DRILL_M_LONGMESSAGE, -1 }, // Long Operator message (use more than one line)
{ "M48", DRILL_M_HEADER, 0 }, // beginning of a header
{ "M95", DRILL_M_ENDHEADER, 0 }, // End of the header
{ "METRIC", DRILL_METRICHEADER, 1 },
{ "INCH", DRILL_IMPERIALHEADER, 1 },
{ "M71", DRILL_M_METRIC, 1 },
{ "M72", DRILL_M_IMPERIAL, 1 },
{ "M25", DRILL_M_BEGINPATTERN, 0 }, // Beginning of Pattern
{ "M01", DRILL_M_ENDPATTERN, 0 }, // End of Pattern
{ "M97", DRILL_M_CANNEDTEXT, -1 },
{ "M98", DRILL_M_CANNEDTEXT, -1 },
{ "DETECT", DRILL_DETECT_BROKEN, -1 },
{ "ICI", DRILL_INCREMENTALHEADER, 1 },
{ "FMAT", DRILL_FMT, 1 }, // Use Format command
{ "ATC", DRILL_AUTOMATIC_TOOL_CHANGE, 0 },
{ "TCST", DRILL_TOOL_CHANGE_STOP, 0 }, // Tool Change Stop
{ "AFS", DRILL_AUTOMATIC_SPEED }, // Automatic Feeds and Speeds
{ "VER", DRILL_AXIS_VERSION, 1 }, // Selection of X and Y Axis Version
{ "R", DRILL_RESET_CMD, -1 }, // Reset commands
{ "%", DRILL_REWIND_STOP, -1 }, // Rewind stop. End of the header
{ "/", DRILL_SKIP, -1 }, // Clear Tool Linking. End of the header
// Keep this item after all commands starting by 'T':
{ "T", DRILL_TOOL_INFORMATION, 0 }, // Tool Information
{ "", DRILL_M_UNKNOWN, 0 } // last item in list
};
static EXCELLON_CMD excellon_G_CmdList[] =
{
{ "G90", DRILL_G_ABSOLUTE, 0 }, // Absolute Mode
{ "G91", DRILL_G_INCREMENTAL, 0 }, // Incremental Input Mode
{ "G90", DRILL_G_ZEROSET, 0 }, // Absolute Mode
{ "G00", DRILL_G_ROUT, 1 }, // Route Mode
{ "G05", DRILL_G_DRILL, 0 }, // Drill Mode
{ "G85", DRILL_G_SLOT, 0 }, // Drill Mode slot (oval holes)
{ "G01", DRILL_G_LINEARMOVE, 0 }, // Linear (Straight Line) Mode
{ "G02", DRILL_G_CWMOVE, 0 }, // Circular CW Mode
{ "G03", DRILL_G_CCWMOVE, 0 }, // Circular CCW Mode
{ "G93", DRILL_G_ZERO_SET, 1 }, // Zero Set (XnnYmm and coordintes origin)
{ "", DRILL_G_UNKNOWN, 0 }, // last item in list
};
/*
* Read a EXCELLON file.
* Gerber classes are used because there is likeness between Gerber files
* and Excellon files
* DCode can easily store T code (tool size) as round (or oval) shape
* Drill commands are similar to flashed gerber items
* Routing commands are similar to Gerber polygons
* coordinates have the same format as Gerber, can be given in:
* decimal format (i.i. floating notation format)
* integer 2.4 format in imperial units,
* integer 3.2 or 3.3 format (metric units).
*/
bool GERBVIEW_FRAME::Read_EXCELLON_File( const wxString& aFullFileName )
{
wxString msg;
int layer = getActiveLayer(); // current layer used in GerbView
if( g_GERBER_List[layer] == NULL )
{
g_GERBER_List[layer] = new EXCELLON_IMAGE( this, layer );
}
EXCELLON_IMAGE* drill_Layer = (EXCELLON_IMAGE*) g_GERBER_List[layer];
ClearMessageList();
/* Read the gerber file */
FILE * file = wxFopen( aFullFileName, wxT( "rt" ) );
if( file == NULL )
{
msg.Printf( _( "File %s not found" ), GetChars( aFullFileName ) );
DisplayError( this, msg, 10 );
return false;
}
wxString path = wxPathOnly( aFullFileName );
if( path != wxEmptyString )
wxSetWorkingDirectory( path );
bool success = drill_Layer->Read_EXCELLON_File( file, aFullFileName );
// Display errors list
if( m_Messages.size() > 0 )
{
HTML_MESSAGE_BOX dlg( this, _("Files not found") );
dlg.ListSet( m_Messages );
dlg.ShowModal();
}
return success;
}
bool EXCELLON_IMAGE::Read_EXCELLON_File( FILE * aFile,
const wxString & aFullFileName )
{
/* Set the gerber scale: */
ResetDefaultValues();
m_FileName = aFullFileName;
m_Current_File = aFile;
SetLocaleTo_C_standard();
// FILE_LINE_READER will close the file.
if( m_Current_File == NULL )
{
wxMessageBox( wxT("NULL!"), m_FileName );
return false;
}
FILE_LINE_READER excellonReader( m_Current_File, m_FileName );
while( true )
{
if( excellonReader.ReadLine() == 0 )
break;
char* line = excellonReader.Line();
char* text = StrPurge( line );
if( *text == ';' ) // comment: skip line
continue;
if( m_State == EXCELLON_IMAGE::READ_HEADER_STATE )
{
Execute_HEADER_Command( text );
}
else
{
switch( *text )
{
case 'M':
Execute_HEADER_Command( text );
break;
case 'G': /* Line type Gxx : command */
Execute_EXCELLON_G_Command( text );
break;
case 'X':
case 'Y': // command like X12550Y19250
Execute_Drill_Command(text);
break;
case 'I':
case 'J': /* Auxiliary Move command */
m_IJPos = ReadIJCoord( text );
if( *text == '*' ) // command like X35142Y15945J504
{
Execute_Drill_Command( text);
}
break;
case 'T': // Tool command
Select_Tool( text );
break;
case '%':
break;
default:
{
wxString msg;
msg.Printf( wxT( "Unexpected symbol &lt;%c&gt;" ), *text );
if( GetParent() )
GetParent()->ReportMessage( msg );
}
break;
} // End switch
}
}
SetLocaleTo_Default();
return true;
}
bool EXCELLON_IMAGE::Execute_HEADER_Command( char*& text )
{
EXCELLON_CMD* cmd = NULL;
int iprm;
double dprm;
D_CODE* dcode;
wxString msg;
// Search command in list
EXCELLON_CMD* candidate;
for( unsigned ii = 0; ; ii++ )
{
candidate = &excellonHeaderCmdList[ii];
int len = candidate->m_Name.size();
if( len == 0 ) // End of list reached
break;
if( candidate->m_Name.compare( 0, len, text, len ) == 0 ) // found.
{
cmd = candidate;
text += len;
break;
}
}
if( !cmd )
{
msg.Printf( wxT( "Unknown Excellon command &lt;%s&gt;" ), text );
ReportMessage( msg );
while( *text )
text++;
return false;
}
// Execute command
// some do nothing
switch( cmd->m_Code )
{
case DRILL_SKIP:
case DRILL_M_UNKNOWN:
break;
case DRILL_M_END:
break;
case DRILL_M_ENDREWIND:
break;
case DRILL_M_MESSAGE:
break;
case DRILL_M_LONGMESSAGE:
break;
case DRILL_M_HEADER:
m_State = READ_HEADER_STATE;
break;
case DRILL_M_ENDHEADER:
m_State = READ_PROGRAM_STATE;
break;
case DRILL_REWIND_STOP: // End of header. No action in a viewer
m_State = READ_PROGRAM_STATE;
break;
case DRILL_M_METRIC:
SelectUnits( true );
break;
case DRILL_METRICHEADER: // command like METRIC,TZ or METRIC,LZ
SelectUnits( true );
if( *text != ',' )
{
ReportMessage( _( "METRIC command has no parameter" ) );
break;
}
text++; // skip separator
if( *text == 'T' )
m_NoTrailingZeros = false;
else
m_NoTrailingZeros = true;
break;
case DRILL_M_IMPERIAL:
SelectUnits( false );
break;
case DRILL_IMPERIALHEADER: // command like INCH,TZ or INCH,LZ
SelectUnits( false );
if( *text != ',' )
{
ReportMessage( _( "INCH command has no parameter" ) );
break;
}
text++; // skip separator
if( *text == 'T' )
m_NoTrailingZeros = false;
else
m_NoTrailingZeros = true;
break;
case DRILL_M_BEGINPATTERN:
break;
case DRILL_M_ENDPATTERN:
break;
case DRILL_M_CANNEDTEXT:
break;
case DRILL_M_TIPCHECK:
break;
case DRILL_DETECT_BROKEN:
break;
case DRILL_INCREMENTALHEADER:
if( *text != ',' )
{
ReportMessage( _( "ICI command has no parameter" ) );
break;
}
text++; // skip separator
// Parameter should be ON or OFF
if( strnicmp( text, "OFF", 3 ) == 0 )
m_Relative = false;
else if( strnicmp( text, "ON", 2 ) == 0 )
m_Relative = true;
else
ReportMessage( _( "ICI command has incorrect parameter" ) );
break;
case DRILL_TOOL_CHANGE_STOP:
break;
case DRILL_AUTOMATIC_SPEED:
break;
case DRILL_AXIS_VERSION:
break;
case DRILL_RESET_CMD:
break;
case DRILL_AUTOMATIC_TOOL_CHANGE:
break;
case DRILL_FMT:
break;
case DRILL_TOOL_INFORMATION:
// Read a tool definition like T1C0.02:
// or T1F00S00C0.02 or T1C0.02F00S00
// Read tool number:
iprm = ReadInt( text, false );
// Skip Feed rate and Spindle speed, if any here
while( *text && ( *text == 'F' || *text == 'S' ) )
{
text++;
ReadInt( text, false );
}
// Read tool shape
if( *text != 'C' )
ReportMessage( wxString:: Format(
_( "Tool definition <%c> not supported" ), *text ) );
if( *text )
text++;
//read tool diameter:
dprm = ReadDouble( text, false );
m_Has_DCode = true;
// Initialize Dcode to handle this Tool
dcode = GetDCODE( iprm + FIRST_DCODE ); // Remember: dcodes are >= FIRST_DCODE
if( dcode == NULL )
break;
// conv_scale = scaling factor from inch to Internal Unit
double conv_scale = IU_PER_MILS * 1000;
if( m_GerbMetric )
conv_scale /= 25.4;
dcode->m_Size.x = dcode->m_Size.y = KiROUND( dprm * conv_scale );
dcode->m_Shape = APT_CIRCLE;
break;
}
while( *text )
text++;
return true;
}
bool EXCELLON_IMAGE::Execute_Drill_Command( char*& text )
{
D_CODE* tool;
GERBER_DRAW_ITEM * gbritem;
while( true )
{
switch( *text )
{
case 'X':
ReadXYCoord( text );
break;
case 'Y':
ReadXYCoord( text );
break;
case 'G': // G85 is found here for oval holes
m_PreviousPos = m_CurrentPos;
Execute_EXCELLON_G_Command( text );
break;
case 0: // E.O.L: execute command
tool = GetDCODE( m_Current_Tool, false );
if( !tool )
{
wxString msg;
msg.Printf( _( "Tool <%d> not defined" ), m_Current_Tool );
ReportMessage( msg );
return false;
}
gbritem = new GERBER_DRAW_ITEM( GetParent()->GetGerberLayout(), this );
GetParent()->GetGerberLayout()->m_Drawings.Append( gbritem );
if( m_SlotOn ) // Oval hole
{
fillLineGBRITEM( gbritem,
tool->m_Num_Dcode, GetParent()->getActiveLayer(),
m_PreviousPos, m_CurrentPos,
tool->m_Size, false );
}
else
{
fillFlashedGBRITEM( gbritem, tool->m_Shape,
tool->m_Num_Dcode, GetParent()->getActiveLayer(),
m_CurrentPos,
tool->m_Size, false );
}
StepAndRepeatItem( *gbritem );
m_PreviousPos = m_CurrentPos;
return true;
break;
default:
text++;
break;
}
}
return true;
}
bool EXCELLON_IMAGE::Select_Tool( char*& text )
{
int tool_id = TCodeNumber( text );
if( tool_id >= 0 )
{
tool_id += FIRST_DCODE; // Remember: dcodes are >= FIRST_DCODE
if( tool_id > (TOOLS_MAX_COUNT - 1) )
tool_id = TOOLS_MAX_COUNT - 1;
m_Current_Tool = tool_id;
D_CODE* pt_Dcode = GetDCODE( tool_id , false );
if( pt_Dcode )
pt_Dcode->m_InUse = true;
}
while( *text )
text++;
return tool_id >= 0;
}
bool EXCELLON_IMAGE::Execute_EXCELLON_G_Command( char*& text )
{
EXCELLON_CMD* cmd = NULL;
bool success = false;
int id = DRILL_G_UNKNOWN;
// Search command in list
EXCELLON_CMD* candidate;
char * gcmd = text; // gcmd points the G command, for error messages.
for( unsigned ii = 0; ; ii++ )
{
candidate = &excellon_G_CmdList[ii];
int len = candidate->m_Name.size();
if( len == 0 ) // End of list reached
break;
if( candidate->m_Name.compare( 0, len, text, len ) == 0 ) // found.
{
cmd = candidate;
text += len;
success = true;
id = cmd->m_Code;
break;
}
}
switch( id )
{
case DRILL_G_ZERO_SET:
ReadXYCoord( text );
m_Offset = m_CurrentPos;
break;
case DRILL_G_ROUT:
m_SlotOn = false;
m_PolygonFillMode = true;
break;
case DRILL_G_DRILL:
m_SlotOn = false;
m_PolygonFillMode = false;
break;
case DRILL_G_SLOT:
m_SlotOn = true;
break;
case DRILL_G_LINEARMOVE:
m_Iterpolation = GERB_INTERPOL_LINEAR_1X;
break;
case DRILL_G_CWMOVE:
m_Iterpolation = GERB_INTERPOL_ARC_NEG;
break;
case DRILL_G_CCWMOVE:
m_Iterpolation = GERB_INTERPOL_ARC_POS;
break;
case DRILL_G_ABSOLUTE:
m_Relative = false; // false = absolute coord
break;
case DRILL_G_INCREMENTAL:
m_Relative = true; // true = relative coord
break;
case DRILL_G_UNKNOWN:
default:
{
wxString msg;
msg.Printf( _( "Unknown Excellon G Code: &lt;%s&gt;" ), GetChars(FROM_UTF8(gcmd)) );
ReportMessage( msg );
while( *text )
text++;
return false;
}
}
return success;
}
void EXCELLON_IMAGE::SelectUnits( bool aMetric )
{
/* Coordinates are measured either in inch or metric (millimeters).
* Inch coordinates are in six digits (00.0000) with increments
* as small as 0.0001 (1/10,000).
* Metric coordinates can be measured in microns (thousandths of a millimeter)
* in one of the following three ways:
* Five digit 10 micron resolution (000.00)
* Six digit 10 micron resolution (0000.00)
* Six digit micron resolution (000.000)
*/
/* Inches: Default fmt = 2.4 for X and Y axis: 6 digits with 0.0001 resolution
* metric: Default fmt = 3.3 for X and Y axis: 6 digits, 1 micron resolution
*/
if( aMetric )
{
m_GerbMetric = true;
// number of digits in mantissa
m_FmtScale.x = m_FmtScale.y = fmtMantissaMM;
// number of digits (mantissa+interger)
m_FmtLen.x = m_FmtLen.y = fmtIntegerMM+fmtMantissaMM;
}
else
{
m_GerbMetric = false;
m_FmtScale.x = m_FmtScale.y = fmtMantissaInch;
m_FmtLen.x = m_FmtLen.y = fmtIntegerInch+fmtMantissaInch;
}
}
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