kicad/pcbnew/python/plugins/zip_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 pcbnew
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import FootprintWizardBase
import PadArray as PA
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class RowedFootprint(FootprintWizardBase.FootprintWizard):
def GenerateParameterList(self):
# defaults for a ZIP package
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self.AddParam("Pads", "pad count", self.uInteger, 24)
self.AddParam("Pads", "line count", self.uInteger, 2)
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self.AddParam("Body", "silkscreen inside", self.uBool, False)
self.AddParam("Body", "courtyard margin", self.uMM, 0.5, min_value=0.2)
@property
def pads(self):
return self.parameters['Pads']
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@property
def body(self):
return self.parameters['Body']
def CheckParameters(self):
# TODO - implement custom checks
pass
def BuildThisFootprint(self):
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pad_count = self.pads['pad count']
pad_Vsize = self.pads['pad height']
pad_Hsize = self.pads['pad width']
line_pitch = self.pads['line spacing']
pad_pitch = self.pads['pitch']
line_count = self.pads['line count']
if line_count == 1:
singleline = True
else:
singleline = False
# add in the pads
pad = self.GetPad()
array = PA.PadZGridArray(pad, pad_count, line_count, line_pitch, pad_pitch)
array.AddPadsToModule(self.draw)
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# draw the Silk Screen
pads_per_line = pad_count // line_count
row_length = pad_pitch * (pads_per_line - 1) # fenceposts
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ssx_offset = pad_Hsize / 2 + self.body['outline x margin']
ssy_offset = pad_Vsize / 2 + self.body['outline y margin']
pin1posX = pad_pitch * (pad_count - 1) / 2
pin1posY = line_pitch * (line_count - 1) / 2
leftx = pin1posX + ssx_offset
lowy = pin1posY + ssy_offset
cornery = lowy
# body inside pads is possible only for 2 rows.
# for other values, there is no room
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linew = self.draw.GetLineThickness()
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if self.body['silkscreen inside'] and line_count == 2:
cornery = pin1posY - ssy_offset
if cornery < linew:
cornery = linew
self.DrawBox(leftx*2, cornery*2)
# Courtyard
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cmarginx = self.body['courtyard margin']
cmarginy = cmarginx
self.draw.SetLayer(pcbnew.F_CrtYd)
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thick = self.draw.GetLineThickness()
sizex = (pin1posX + cmarginx) * 2 + pad_Hsize + thick
sizey = (pin1posY + cmarginy) * 2 + pad_Vsize + thick
# round size to nearest 0.1mm, rectangle will thus land on a 0.05mm grid
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sizex = pcbnew.PutOnGridMM(sizex, 0.1)
sizey = pcbnew.PutOnGridMM(sizey, 0.1)
# set courtyard line thickness to the one defined in KLC
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self.draw.SetLineThickness(pcbnew.FromMM(0.05))
self.draw.Box(0, 0, sizex, sizey)
# restore line thickness to previous value
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self.draw.SetLineThickness(pcbnew.FromMM(thick))
#reference and value
text_size = self.GetTextSize() # IPC nominal
t_posy = lowy + text_size
self.draw.Value(0, t_posy, text_size)
self.draw.Reference(0, -t_posy, text_size)
# set SMD attribute
if self.GetName() == "ZIP":
self.module.SetAttributes(pcbnew.MOD_DEFAULT)
elif self.GetName() == "ZOIC":
self.module.SetAttributes(pcbnew.MOD_CMS)
def DrawBox(self, sizex, sizey):
# ----------
# | 2 4 6 8|
# |1 3 5 7 |
# \---------
setback = pcbnew.FromMM(1)
if setback > sizey/2:
setback = sizey/2
self.draw.BoxWithDiagonalAtCorner(0, 0, sizex, sizey, setback, self.draw.flipY)
class ZIPWizard(RowedFootprint):
def GetName(self):
return "ZIP"
def GetDescription(self):
return "N lines Zip Package Footprint Wizard"
def GenerateParameterList(self):
RowedFootprint.GenerateParameterList(self)
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self.AddParam("Pads", "pitch", self.uMM, 1.27)
self.AddParam("Pads", "pad width", self.uMM, 1.2)
self.AddParam("Pads", "pad height", self.uMM, 2)
self.AddParam("Pads", "line spacing", self.uMM, 2.54)
self.AddParam("Pads", "drill size", self.uMM, 0.8)
self.AddParam("Body", 'outline x margin', self.uMM, 1)
self.AddParam("Body", 'outline y margin', self.uMM, 0.5)
def GetValue(self):
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rows = self.pads['line count']
pad_cnt = self.pads['pad count']
if rows == 1:
name = "SIP"
elif rows == 2:
name = "ZIP"
else: # triple and up aren't really a thing, but call it something!
name = "xIP"
return "%s-%d" % (name, pad_cnt)
def GetPad(self):
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pad_Vsize = self.pads['pad height']
pad_Hsize = self.pads['pad width']
drill = self.pads['drill size']
return PA.PadMaker(self.module).THPad(
pad_Vsize, pad_Hsize, drill, shape=pcbnew.PAD_SHAPE_OVAL)
ZIPWizard().register()
class ZOICWizard(RowedFootprint):
def GetName(self):
return "ZOIC"
def GetDescription(self):
return "ZOIC, etc, Footprint Wizard"
def GetValue(self):
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return "%s-%d" % ("ZOIC-", self.pads['pad count'])
def GenerateParameterList(self):
RowedFootprint.GenerateParameterList(self)
#and override some of them
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self.AddParam("Pads", "pitch", self.uMM, 0.6)
self.AddParam("Pads", "pad width", self.uMM, 0.6)
self.AddParam("Pads", "pad height", self.uMM, 1.8)
self.AddParam("Pads", "line spacing", self.uMM, 5.2)
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self.AddParam("Body", "outline x margin", self.uMM, 0.5)
self.AddParam("Body", "outline y margin", self.uMM, 1)
def GetPad(self):
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pad_Vsize = self.pads['pad height']
pad_Hsize = self.pads['pad width']
return PA.PadMaker(self.module).SMDPad(
pad_Vsize, pad_Hsize, shape=pcbnew.PAD_SHAPE_RECT)
ZOICWizard().register()