mirror of
https://gitlab.com/kicad/code/kicad.git
synced 2025-09-15 10:43:15 +02:00
4b3bfb0115
This updates some of the footprint wizard values to use the default KLC values for silkscreen, fab, courtyard and text. Also updates the default QFN settings to create a valid footprint
127 lines
4.7 KiB
Python
127 lines
4.7 KiB
Python
# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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from __future__ import division
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import math
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import pcbnew
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import FootprintWizardBase
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import PadArray as PA
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class circular_pad_array_wizard(FootprintWizardBase.FootprintWizard):
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def GetName(self):
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return "Circular Pad Array"
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def GetDescription(self):
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return "Circular array of pads"
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def GenerateParameterList(self):
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self.AddParam("Pads", "count", self.uInteger, 6, min_value=1, designator='n')
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self.AddParam("Pads", "center diameter", self.uMM, 5, min_value=0, designator='r', hint="Centre distance between pads")
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self.AddParam("Pads", "diameter", self.uMM, 1.5)
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self.AddParam("Pads", "drill", self.uMM, 0.8)
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self.AddParam("Pads", "angle", self.uDegrees, 0, designator='a')
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self.AddParam("Pads", "rectangle", self.uBool, False)
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self.AddParam("Pad rotation", "pad rotation", self.uBool, False, designator='r')
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self.AddParam("Pad rotation", "pad angle offset", self.uDegrees, 0, designator='o')
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self.AddParam("Numbering", "initial", self.uInteger, 1, min_value=1)
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#self.AddParam("Numbering", "increment", self.uInteger, 1, min_value=1)
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self.AddParam("Numbering", "clockwise", self.uBool, True)
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self.AddParam("Outline", "diameter", self.uMM, 7, designator='D')
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self.AddParam("Outline", "margin", self.uMM, 0.25, min_value=0.2)
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def CheckParameters(self):
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pads = self.parameters['Pads']
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numbering = self.parameters['Numbering']
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outline = self.parameters['Outline']
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padRotation = self.parameters['Pad rotation']
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# Check that pads do not overlap
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pad_dia = pcbnew.ToMM(pads['diameter'])
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centres = pcbnew.ToMM(pads['center diameter'])
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n_pads = pads['count']
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self.CheckParam('Pads','diameter',max_value=centres*math.pi/n_pads,info="Pads overlap")
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# Check that the pads fit inside the outline
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d_min = pad_dia + centres
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self.CheckParam("Outline","diameter",min_value=d_min, info="Outline diameter is too small")
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def GetValue(self):
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pins = self.parameters["Pads"]["count"]
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return "CPA_%d" % pins
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def BuildThisFootprint(self):
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pads = self.parameters['Pads']
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numbering = self.parameters['Numbering']
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outline = self.parameters['Outline']
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padRotation = self.parameters['Pad rotation']
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pad_size = pads['diameter']
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pad_shape = pcbnew.PAD_SHAPE_RECT if pads["rectangle"] else pcbnew.PAD_SHAPE_OVAL
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pad = PA.PadMaker(self.module).THPad(pads['diameter'], pads['diameter'], pads['drill'], shape=pad_shape)
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array = PA.PadCircleArray(
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pad, pads['count'], pads['center diameter'] / 2,
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angle_offset=pads["angle"],
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centre=pcbnew.wxPoint(0, 0),
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clockwise=numbering["clockwise"],
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padRotationEnable= padRotation["pad rotation"],
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padRotationOffset = padRotation["pad angle offset"])
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array.SetFirstPadInArray(numbering["initial"])
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array.AddPadsToModule(self.draw)
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# Draw the outline
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body_radius = outline['diameter'] / 2
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self.draw.SetLayer(pcbnew.F_Fab)
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self.draw.SetLineThickness( pcbnew.FromMM( 0.1 ) ) #Default per KLC F5.2 as of 12/2018
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self.draw.Circle(0, 0, body_radius)
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#silkscreen
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body_radius += pcbnew.FromMM(0.12)
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self.draw.SetLineThickness( pcbnew.FromMM( 0.12 ) ) #Default per KLC F5.1 as of 12/2018
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self.draw.SetLayer(pcbnew.F_SilkS)
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self.draw.Circle(0, 0, body_radius)
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# courtyard
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self.draw.SetLayer(pcbnew.F_CrtYd)
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self.draw.SetLineThickness(pcbnew.FromMM(0.05))
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self.draw.Circle(0, 0, body_radius + outline['margin'])
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# Text size
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text_size = self.GetTextSize() # IPC nominal
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thickness = self.GetTextThickness()
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textposy = body_radius + self.draw.GetLineThickness()/2 + self.GetTextSize()/2 + thickness + + outline['margin']
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self.draw.Value( 0, textposy, text_size )
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self.draw.Reference( 0, -textposy, text_size )
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circular_pad_array_wizard().register()
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