93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
from __future__ import division
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import pcbnew
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import HelpfulFootprintWizardPlugin
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import PadArray as PA
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class QFPWizard(HelpfulFootprintWizardPlugin.HelpfulFootprintWizardPlugin):
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def GetName(self):
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return "QFP"
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def GetDescription(self):
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return "QFP Footprint Wizard"
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def GenerateParameterList(self):
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self.AddParam("Pads", "n", self.uNatural, 100)
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self.AddParam("Pads", "pad pitch", self.uMM, 0.5)
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self.AddParam("Pads", "pad width", self.uMM, 0.25)
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self.AddParam("Pads", "pad length", self.uMM, 1.5)
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self.AddParam("Pads", "vertical pitch", self.uMM, 15)
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self.AddParam("Pads", "horizontal pitch", self.uMM, 15)
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self.AddParam("Pads", "oval", self.uBool, True)
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self.AddParam("Pads", "package width", self.uMM, 14)
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self.AddParam("Pads", "package height", self.uMM, 14)
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def CheckParameters(self):
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self.CheckParamPositiveInt("Pads", "*n", is_multiple_of = 4)
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self.CheckParamBool("Pads", "*oval")
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def GetReference(self):
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return "QFP %d" % self.parameters["Pads"]["*n"]
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def BuildThisFootprint(self):
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pads = self.parameters["Pads"]
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pad_pitch = pads["pad pitch"]
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pad_length = self.parameters["Pads"]["pad length"]
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pad_width = self.parameters["Pads"]["pad width"]
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v_pitch = pads["vertical pitch"]
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h_pitch = pads["horizontal pitch"]
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pads_per_row = pads["*n"] // 4
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row_len = (pads_per_row - 1) * pad_pitch
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pad_shape = pcbnew.PAD_OVAL if pads["*oval"] else pcbnew.PAD_RECT
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h_pad = PA.PadMaker(self.module).SMDPad(pad_width, pad_length, shape = pad_shape)
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v_pad = PA.PadMaker(self.module).SMDPad(pad_length, pad_width, shape = pad_shape)
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#left row
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pin1Pos = pcbnew.wxPoint(-h_pitch / 2, -row_len / 2)
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array = PA.PadLineArray(h_pad, pads_per_row, pad_pitch, True, pin1Pos)
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array.SetFirstPadInArray(1)
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array.AddPadsToModule()
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#bottom row
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pin1Pos = pcbnew.wxPoint(-row_len / 2, v_pitch / 2)
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array = PA.PadLineArray(v_pad, pads_per_row, pad_pitch, False, pin1Pos)
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array.SetFirstPadInArray(pads_per_row + 1)
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array.AddPadsToModule()
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#right row
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pin1Pos = pcbnew.wxPoint(h_pitch / 2, row_len / 2)
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array = PA.PadLineArray(h_pad, pads_per_row, -pad_pitch, True, pin1Pos)
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array.SetFirstPadInArray(2*pads_per_row + 1)
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array.AddPadsToModule()
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#top row
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pin1Pos = pcbnew.wxPoint(row_len / 2, -v_pitch / 2)
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array = PA.PadLineArray(v_pad, pads_per_row, -pad_pitch, False, pin1Pos)
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array.SetFirstPadInArray(3*pads_per_row + 1)
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array.AddPadsToModule()
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limX = pads["package width"] / 2
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limY = pads["package height"] / 2
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inner = (row_len / 2) + pad_pitch
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#top left - diagonal
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self.draw.Line(-limX, -inner, -inner, -limY)
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# top right
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self.draw.Polyline([(inner, -limY), (limX, -limY), (limX, -inner)])
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# bottom left
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self.draw.Polyline([(-inner, limY), (-limX, limY), (-limX, inner)])
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# bottom right
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self.draw.Polyline([(inner, limY), (limX, limY), (limX, inner)])
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QFPWizard().register()
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