99 lines
2.9 KiB
Python
99 lines
2.9 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 HelpfulFootprintWizardPlugin as HFPW
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import PadArray as PA
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class BGAPadGridArray(PA.PadGridArray):
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def NamingFunction(self, x, y):
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return "%s%d" % (self.AlphaNameFromNumber(y + 1, alphabet="ABCDEFGHJKLMNPRTUVWY"), x + 1)
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class BGAWizard(HFPW.HelpfulFootprintWizardPlugin):
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def GetName(self):
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return "BGA"
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def GetDescription(self):
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return "Ball Grid Array Footprint Wizard"
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def GenerateParameterList(self):
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self.AddParam("Pads", "pad pitch", self.uMM, 1)
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self.AddParam("Pads", "pad size", self.uMM, 0.5)
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self.AddParam("Pads", "row count", self.uNatural, 5)
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self.AddParam("Pads", "column count", self.uNatural, 5)
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self.AddParam("Pads", "outline x margin", self.uMM, 1)
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self.AddParam("Pads", "outline y margin", self.uMM, 1)
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def CheckParameters(self):
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self.CheckParamPositiveInt("Pads", "*row count")
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self.CheckParamPositiveInt("Pads", "*column count")
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def GetReference(self):
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pins = self.parameters["Pads"]["*row count"] * self.parameters["Pads"]["*column count"]
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return "BGA %d" % pins
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def GetValuePrefix(self):
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return "U"
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def BuildThisFootprint(self):
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pads = self.parameters["Pads"]
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rows = pads["*row count"]
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cols = pads["*column count"]
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pad_size = pads["pad size"]
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pad_size = pcbnew.wxSize(pad_size, pad_size)
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pad_pitch = pads["pad pitch"]
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# add in the pads
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pad = PA.PadMaker(self.module).SMTRoundPad(pads["pad size"])
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pin1Pos = pcbnew.wxPoint(-((cols - 1) * pad_pitch) / 2,
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-((rows - 1) * pad_pitch) / 2)
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array = BGAPadGridArray(pad, cols, rows, pad_pitch, pad_pitch, pin1Pos)
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array.AddPadsToModule()
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#box
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ssX = -pin1Pos.x + pads["outline x margin"]
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ssY = -pin1Pos.y + pads["outline y margin"]
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self.draw.BoxWithDiagonalAtCorner(0, 0, ssX*2, ssY*2, pads["outline x margin"])
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#reference and value
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textSize = pcbnew.FromMM(0.8)
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self.draw.Value(0, - ssY - textSize, textSize)
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self.draw.Reference(0, ssY + textSize, textSize)
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BGAWizard().register()
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