/** * @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 * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include // 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 <%c>" ), *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 <%s>" ), 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: <%s>" ), 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; } }