116 lines
4.0 KiB
Python
116 lines
4.0 KiB
Python
# 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
|
|
import FootprintWizardBase
|
|
import PadArray as PA
|
|
|
|
|
|
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):
|
|
|
|
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("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):
|
|
|
|
pads = self.parameters['Pads']
|
|
numbering = self.parameters['Numbering']
|
|
outline = self.parameters['Outline']
|
|
|
|
# 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):
|
|
pins = self.parameters["Pads"]["count"]
|
|
return "CPA_%d" % pins
|
|
|
|
def BuildThisFootprint(self):
|
|
|
|
pads = self.parameters['Pads']
|
|
numbering = self.parameters['Numbering']
|
|
outline = self.parameters['Outline']
|
|
|
|
pad_size = pads['diameter']
|
|
|
|
pad = PA.PadMaker(self.module).THPad(pads['diameter'], pads['diameter'], pads['drill'])
|
|
|
|
array = PA.PadCircleArray(
|
|
pad, pads['count'], pads['center diameter'] / 2,
|
|
angle_offset=pads["angle"],
|
|
centre=pcbnew.wxPoint(0, 0),
|
|
clockwise=numbering["clockwise"])
|
|
|
|
array.SetFirstPadInArray(numbering["initial"])
|
|
|
|
array.AddPadsToModule(self.draw)
|
|
|
|
# Draw the outline
|
|
body_radius = outline['diameter'] / 2
|
|
self.draw.SetLayer(pcbnew.F_Fab)
|
|
self.draw.GetLineThickness()
|
|
self.draw.Circle(0, 0, body_radius)
|
|
|
|
#silkscreen
|
|
body_radius += pcbnew.FromMM(0.15)
|
|
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()
|
|
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()
|