summaryrefslogtreecommitdiff
path: root/gerber/excellon_statements.py
diff options
context:
space:
mode:
Diffstat (limited to 'gerber/excellon_statements.py')
-rw-r--r--gerber/excellon_statements.py236
1 files changed, 229 insertions, 7 deletions
diff --git a/gerber/excellon_statements.py b/gerber/excellon_statements.py
index 2be7a05..7153c82 100644
--- a/gerber/excellon_statements.py
+++ b/gerber/excellon_statements.py
@@ -36,7 +36,8 @@ __all__ = ['ExcellonTool', 'ToolSelectionStmt', 'CoordinateStmt',
'ExcellonStatement', 'ZAxisRoutPositionStmt',
'RetractWithClampingStmt', 'RetractWithoutClampingStmt',
'CutterCompensationOffStmt', 'CutterCompensationLeftStmt',
- 'CutterCompensationRightStmt', 'ZAxisInfeedRateStmt']
+ 'CutterCompensationRightStmt', 'ZAxisInfeedRateStmt',
+ 'NextToolSelectionStmt', 'SlotStmt']
class ExcellonStatement(object):
@@ -110,9 +111,29 @@ class ExcellonTool(ExcellonStatement):
hit_count : integer
Number of tool hits in excellon file.
"""
+
+ PLATED_UNKNOWN = None
+ PLATED_YES = 'plated'
+ PLATED_NO = 'nonplated'
+ PLATED_OPTIONAL = 'optional'
+
+ @classmethod
+ def from_tool(cls, tool):
+ args = {}
+
+ args['depth_offset'] = tool.depth_offset
+ args['diameter'] = tool.diameter
+ args['feed_rate'] = tool.feed_rate
+ args['max_hit_count'] = tool.max_hit_count
+ args['number'] = tool.number
+ args['plated'] = tool.plated
+ args['retract_rate'] = tool.retract_rate
+ args['rpm'] = tool.rpm
+
+ return cls(None, **args)
@classmethod
- def from_excellon(cls, line, settings, id=None):
+ def from_excellon(cls, line, settings, id=None, plated=None):
""" Create a Tool from an excellon file tool definition line.
Parameters
@@ -149,6 +170,10 @@ class ExcellonTool(ExcellonStatement):
args['number'] = int(val)
elif cmd == 'Z':
args['depth_offset'] = parse_gerber_value(val, nformat, zero_suppression)
+
+ if plated != ExcellonTool.PLATED_UNKNOWN:
+ # Sometimees we can can parse the
+ args['plated'] = plated
return cls(settings, **args)
@classmethod
@@ -181,11 +206,15 @@ class ExcellonTool(ExcellonStatement):
self.diameter = kwargs.get('diameter')
self.max_hit_count = kwargs.get('max_hit_count')
self.depth_offset = kwargs.get('depth_offset')
+ self.plated = kwargs.get('plated')
+
self.hit_count = 0
def to_excellon(self, settings=None):
- fmt = self.settings.format
- zs = self.settings.zero_suppression
+ if self.settings and not settings:
+ settings = self.settings
+ fmt = settings.format
+ zs = settings.zero_suppression
stmt = 'T%02d' % self.number
if self.retract_rate is not None:
stmt += 'B%s' % write_gerber_value(self.retract_rate, fmt, zs)
@@ -219,6 +248,23 @@ class ExcellonTool(ExcellonStatement):
def _hit(self):
self.hit_count += 1
+
+ def equivalent(self, other):
+ """
+ Is the other tool equal to this, ignoring the tool number, and other file specified properties
+ """
+
+ if type(self) != type(other):
+ return False
+
+ return (self.diameter == other.diameter
+ and self.feed_rate == other.feed_rate
+ and self.retract_rate == other.retract_rate
+ and self.rpm == other.rpm
+ and self.depth_offset == other.depth_offset
+ and self.max_hit_count == other.max_hit_count
+ and self.plated == other.plated
+ and self.settings.units == other.settings.units)
def __repr__(self):
unit = 'in.' if self.settings.units == 'inch' else 'mm'
@@ -267,7 +313,28 @@ class ToolSelectionStmt(ExcellonStatement):
if self.compensation_index is not None:
stmt += '%02d' % self.compensation_index
return stmt
-
+
+class NextToolSelectionStmt(ExcellonStatement):
+
+ # TODO the statement exists outside of the context of the file,
+ # so it is imposible to know that it is really the next tool
+
+ def __init__(self, cur_tool, next_tool, **kwargs):
+ """
+ Select the next tool in the wheel.
+ Parameters
+ ----------
+ cur_tool : the tool that is currently selected
+ next_tool : the that that is now selected
+ """
+ super(NextToolSelectionStmt, self).__init__(**kwargs)
+
+ self.cur_tool = cur_tool
+ self.next_tool = next_tool
+
+ def to_excellon(self, settings=None):
+ stmt = 'M00'
+ return stmt
class ZAxisInfeedRateStmt(ExcellonStatement):
@@ -300,6 +367,14 @@ class ZAxisInfeedRateStmt(ExcellonStatement):
class CoordinateStmt(ExcellonStatement):
@classmethod
+ def from_point(cls, point, mode=None):
+
+ stmt = cls(point[0], point[1])
+ if mode:
+ stmt.mode = mode
+ return stmt
+
+ @classmethod
def from_excellon(cls, line, settings, **kwargs):
x_coord = None
y_coord = None
@@ -574,19 +649,35 @@ class EndOfProgramStmt(ExcellonStatement):
self.y += y_offset
class UnitStmt(ExcellonStatement):
+
+ @classmethod
+ def from_settings(cls, settings):
+ """Create the unit statement from the FileSettings"""
+
+ return cls(settings.units, settings.zeros)
@classmethod
def from_excellon(cls, line, **kwargs):
units = 'inch' if 'INCH' in line else 'metric'
zeros = 'leading' if 'LZ' in line else 'trailing'
- return cls(units, zeros, **kwargs)
+ if '0000.00' in line:
+ format = (4, 2)
+ elif '000.000' in line:
+ format = (3, 3)
+ elif '00.0000' in line:
+ format = (2, 4)
+ else:
+ format = None
+ return cls(units, zeros, format, **kwargs)
- def __init__(self, units='inch', zeros='leading', **kwargs):
+ def __init__(self, units='inch', zeros='leading', format=None, **kwargs):
super(UnitStmt, self).__init__(**kwargs)
self.units = units.lower()
self.zeros = zeros
+ self.format = format
def to_excellon(self, settings=None):
+ # TODO This won't export the invalid format statement if it exists
stmt = '%s,%s' % ('INCH' if self.units == 'inch' else 'METRIC',
'LZ' if self.zeros == 'leading'
else 'TZ')
@@ -648,6 +739,10 @@ class FormatStmt(ExcellonStatement):
def to_excellon(self, settings=None):
return 'FMAT,%d' % self.format
+
+ @property
+ def format_tuple(self):
+ return (self.format, 6 - self.format)
class LinkToolStmt(ExcellonStatement):
@@ -742,6 +837,133 @@ class UnknownStmt(ExcellonStatement):
return "<Unknown Statement: %s>" % self.stmt
+class SlotStmt(ExcellonStatement):
+ """
+ G85 statement. Defines a slot created by multiple drills between two specified points.
+
+ Format is two coordinates, split by G85in the middle, for example, XnY0nG85XnYn
+ """
+
+ @classmethod
+ def from_points(cls, start, end):
+
+ return cls(start[0], start[1], end[0], end[1])
+
+ @classmethod
+ def from_excellon(cls, line, settings, **kwargs):
+ # Split the line based on the G85 separator
+ sub_coords = line.split('G85')
+ (x_start_coord, y_start_coord) = SlotStmt.parse_sub_coords(sub_coords[0], settings)
+ (x_end_coord, y_end_coord) = SlotStmt.parse_sub_coords(sub_coords[1], settings)
+
+ # Some files seem to specify only one of the coordinates
+ if x_end_coord == None:
+ x_end_coord = x_start_coord
+ if y_end_coord == None:
+ y_end_coord = y_start_coord
+
+ c = cls(x_start_coord, y_start_coord, x_end_coord, y_end_coord, **kwargs)
+ c.units = settings.units
+ return c
+
+ @staticmethod
+ def parse_sub_coords(line, settings):
+
+ x_coord = None
+ y_coord = None
+
+ if line[0] == 'X':
+ splitline = line.strip('X').split('Y')
+ x_coord = parse_gerber_value(splitline[0], settings.format,
+ settings.zero_suppression)
+ if len(splitline) == 2:
+ y_coord = parse_gerber_value(splitline[1], settings.format,
+ settings.zero_suppression)
+ else:
+ y_coord = parse_gerber_value(line.strip(' Y'), settings.format,
+ settings.zero_suppression)
+
+ return (x_coord, y_coord)
+
+
+ def __init__(self, x_start=None, y_start=None, x_end=None, y_end=None, **kwargs):
+ super(SlotStmt, self).__init__(**kwargs)
+ self.x_start = x_start
+ self.y_start = y_start
+ self.x_end = x_end
+ self.y_end = y_end
+ self.mode = None
+
+ def to_excellon(self, settings):
+ stmt = ''
+
+ if self.x_start is not None:
+ stmt += 'X%s' % write_gerber_value(self.x_start, settings.format,
+ settings.zero_suppression)
+ if self.y_start is not None:
+ stmt += 'Y%s' % write_gerber_value(self.y_start, settings.format,
+ settings.zero_suppression)
+
+ stmt += 'G85'
+
+ if self.x_end is not None:
+ stmt += 'X%s' % write_gerber_value(self.x_end, settings.format,
+ settings.zero_suppression)
+ if self.y_end is not None:
+ stmt += 'Y%s' % write_gerber_value(self.y_end, settings.format,
+ settings.zero_suppression)
+
+ return stmt
+
+ def to_inch(self):
+ if self.units == 'metric':
+ self.units = 'inch'
+ if self.x_start is not None:
+ self.x_start = inch(self.x_start)
+ if self.y_start is not None:
+ self.y_start = inch(self.y_start)
+ if self.x_end is not None:
+ self.x_end = inch(self.x_end)
+ if self.y_end is not None:
+ self.y_end = inch(self.y_end)
+
+ def to_metric(self):
+ if self.units == 'inch':
+ self.units = 'metric'
+ if self.x_start is not None:
+ self.x_start = metric(self.x_start)
+ if self.y_start is not None:
+ self.y_start = metric(self.y_start)
+ if self.x_end is not None:
+ self.x_end = metric(self.x_end)
+ if self.y_end is not None:
+ self.y_end = metric(self.y_end)
+
+ def offset(self, x_offset=0, y_offset=0):
+ if self.x_start is not None:
+ self.x_start += x_offset
+ if self.y_start is not None:
+ self.y_start += y_offset
+ if self.x_end is not None:
+ self.x_end += x_offset
+ if self.y_end is not None:
+ self.y_end += y_offset
+
+ def __str__(self):
+ start_str = ''
+ if self.x_start is not None:
+ start_str += 'X: %g ' % self.x_start
+ if self.y_start is not None:
+ start_str += 'Y: %g ' % self.y_start
+
+ end_str = ''
+ if self.x_end is not None:
+ end_str += 'X: %g ' % self.x_end
+ if self.y_end is not None:
+ end_str += 'Y: %g ' % self.y_end
+
+ return '<Slot Statement: %s to %s>' % (start_str, end_str)
+
def pairwise(iterator):
""" Iterate over list taking two elements at a time.