kicad/pcbnew/python/plugins/circular_pad_array_wizard.py

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# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
from __future__ import division
import math
import pcbnew
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import FootprintWizardBase
import PadArray as PA
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class circular_pad_array_wizard(FootprintWizardBase.FootprintWizard):
def GetName(self):
return "Circular Pad Array"
def GetDescription(self):
return "Circular array of pads"
def GenerateParameterList(self):
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self.AddParam("Pads", "count", self.uInteger, 6, min_value=1, designator='n')
self.AddParam("Pads", "center diameter", self.uMM, 5, min_value=0, designator='r', hint="Centre distance between pads")
self.AddParam("Pads", "diameter", self.uMM, 1.5)
self.AddParam("Pads", "drill", self.uMM, 0.8)
self.AddParam("Pads", "angle", self.uDegrees, 0, designator='a')
self.AddParam("Pads", "rectangle", self.uBool, False)
self.AddParam("Pads", "pad 1 rectangle", self.uBool, False)
self.AddParam("Pad rotation", "pad rotation", self.uBool, False, designator='r')
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)
#self.AddParam("Numbering", "increment", self.uInteger, 1, min_value=1)
self.AddParam("Numbering", "clockwise", self.uBool, True)
self.AddParam("Outline", "diameter", self.uMM, 7, designator='D')
self.AddParam("Outline", "margin", self.uMM, 0.25, min_value=0.2)
def CheckParameters(self):
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pads = self.parameters['Pads']
numbering = self.parameters['Numbering']
outline = self.parameters['Outline']
padRotation = self.parameters['Pad rotation']
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# Check that pads do not overlap
pad_dia = pcbnew.ToMM(pads['diameter'])
centres = pcbnew.ToMM(pads['center diameter'])
n_pads = pads['count']
self.CheckParam('Pads','diameter',max_value=centres*math.pi/n_pads,info="Pads overlap")
# Check that the pads fit inside the outline
d_min = pad_dia + centres
self.CheckParam("Outline","diameter",min_value=d_min, info="Outline diameter is too small")
def GetValue(self):
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pins = self.parameters["Pads"]["count"]
return "CPA_%d" % pins
def BuildThisFootprint(self):
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pads = self.parameters['Pads']
numbering = self.parameters['Numbering']
outline = self.parameters['Outline']
padRotation = self.parameters['Pad rotation']
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pad_size = pads['diameter']
pad_shape = pcbnew.PAD_SHAPE_RECT if pads["rectangle"] else pcbnew.PAD_SHAPE_OVAL
pad = PA.PadMaker(self.module).THPad(pads['diameter'], pads['diameter'], pads['drill'], shape=pad_shape)
array = PA.PadCircleArray(
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pad, pads['count'], pads['center diameter'] / 2,
angle_offset=pads["angle"],
centre=pcbnew.wxPoint(0, 0),
clockwise=numbering["clockwise"],
padRotationEnable= padRotation["pad rotation"],
padRotationOffset = padRotation["pad angle offset"])
if pads["pad 1 rectangle"]:
firstPad = PA.PadMaker(self.module).THPad(pads['diameter'], pads['diameter'], pads['drill'], shape=pcbnew.PAD_SHAPE_RECT)
array.SetFirstPadType(firstPad)
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array.SetFirstPadInArray(numbering["initial"])
array.AddPadsToModule(self.draw)
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# Draw the outline
body_radius = outline['diameter'] / 2
self.draw.SetLayer(pcbnew.F_Fab)
self.draw.SetLineThickness( pcbnew.FromMM( 0.1 ) ) #Default per KLC F5.2 as of 12/2018
self.draw.Circle(0, 0, body_radius)
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#silkscreen
body_radius += pcbnew.FromMM(0.12)
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)
self.draw.Circle(0, 0, body_radius)
# courtyard
self.draw.SetLayer(pcbnew.F_CrtYd)
self.draw.SetLineThickness(pcbnew.FromMM(0.05))
self.draw.Circle(0, 0, body_radius + outline['margin'])
# Text size
text_size = self.GetTextSize() # IPC nominal
thickness = self.GetTextThickness()
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textposy = body_radius + self.draw.GetLineThickness()/2 + self.GetTextSize()/2 + thickness + + outline['margin']
self.draw.Value( 0, textposy, text_size )
self.draw.Reference( 0, -textposy, text_size )
circular_pad_array_wizard().register()