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