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