# 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 import HelpfulFootprintWizardPlugin as HFPW import PadArray as PA class RowedFootprint(HFPW.HelpfulFootprintWizardPlugin): pad_count_key = '#pad count' line_count_key = '#line count' pad_vertical_size_key = 'pad vertical size' pad_horizontal_size_key = 'pad horizontal size' line_spacing_key = 'line spacing' pad_pitch_key = 'pad pitch' drill_size_key = 'drill size' courtyard_x_margin_key = 'courtyard x margin' courtyard_y_margin_key = 'courtyard y margin' outline_x_margin_key = 'outline x margin' outline_y_margin_key = 'outline y margin' silkscreen_inside_key = 'silk screen inside' def GenerateParameterList(self): # defaults for a ZIP package self.AddParam("Pads", self.pad_count_key, self.uNatural, 24) self.AddParam("Pads", self.line_count_key, self.uNatural, 2) self.AddParam("Body", self.silkscreen_inside_key, self.uBool, False) self.AddParam("Body", self.courtyard_x_margin_key, self.uMM, 1) self.AddParam("Body", self.courtyard_y_margin_key, self.uMM, 1) def CheckParameters(self): self.CheckParamInt("Pads", '*' + self.pad_count_key) self.CheckParamInt("Pads", '*' + self.line_count_key) # can do this internally to parameter manager? self.CheckParamBool("Body", '*' + self.silkscreen_inside_key) def BuildThisFootprint(self): pads = self.parameters["Pads"] body = self.parameters["Body"] pad_count = pads['*' + self.pad_count_key] pad_Vsize = pads[self.pad_vertical_size_key] pad_Hsize = pads[self.pad_horizontal_size_key] line_pitch = pads[self.line_spacing_key] pad_pitch = pads[self.pad_pitch_key] line_count = pads['*' + self.line_count_key] 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) # draw the Silk Screen pads_per_line = pad_count // line_count row_length = pad_pitch * (pads_per_line - 1) # fenceposts ssx_offset = pad_Hsize / 2 + body[self.outline_x_margin_key] ssy_offset = pad_Vsize / 2 + body[self.outline_y_margin_key] 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 linew = self.draw.GetLineTickness() if body['*'+self.silkscreen_inside_key] and line_count == 2: cornery = pin1posY - ssy_offset if cornery < linew: cornery = linew self.DrawBox(leftx*2, cornery*2) # Courtyard cmarginx = body[self.courtyard_x_margin_key] cmarginy = body[self.courtyard_y_margin_key] self.draw.SetLayer(pcbnew.F_CrtYd) sizex = (pin1posX + cmarginx) * 2 + pad_Hsize sizey = (pin1posY + cmarginy) * 2 + pad_Vsize self.draw.Box(0, 0, sizex, sizey) #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) 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) self.AddParam("Pads", self.pad_pitch_key, self.uMM, 1.27) self.AddParam("Pads", self.pad_horizontal_size_key, self.uMM, 1.2) self.AddParam("Pads", self.pad_vertical_size_key, self.uMM, 2) self.AddParam("Pads", self.line_spacing_key, self.uMM, 2.54) self.AddParam("Pads", self.drill_size_key, self.uMM, 0.8) self.AddParam("Body", self.outline_x_margin_key, self.uMM, 1) self.AddParam("Body", self.outline_y_margin_key, self.uMM, 0.5) def GetValue(self): rows = self.parameters["Pads"]['*' + self.line_count_key] pad_cnt = self.parameters["Pads"]['*' + self.pad_count_key] 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): pad_Vsize = self.parameters["Pads"][self.pad_vertical_size_key] pad_Hsize = self.parameters["Pads"][self.pad_horizontal_size_key] drill = self.parameters["Pads"][self.drill_size_key] 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): return "%s-%d" % ("ZOIC", self.parameters["Pads"]['*' + self.pad_count_key]) def GenerateParameterList(self): RowedFootprint.GenerateParameterList(self) #and override some of them self.AddParam("Pads", self.pad_pitch_key, self.uMM, 0.6) self.AddParam("Pads", self.pad_horizontal_size_key, self.uMM, 0.6) self.AddParam("Pads", self.pad_vertical_size_key, self.uMM, 1.8) self.AddParam("Pads", self.line_spacing_key, self.uMM, 5.2) self.AddParam("Body", self.outline_x_margin_key, self.uMM, 0.5) self.AddParam("Body", self.outline_y_margin_key, self.uMM, 1) def GetPad(self): pad_Vsize = self.parameters["Pads"][self.pad_vertical_size_key] pad_Hsize = self.parameters["Pads"][self.pad_horizontal_size_key] return PA.PadMaker(self.module).SMDPad( pad_Vsize, pad_Hsize, shape=pcbnew.PAD_SHAPE_RECT) ZOICWizard().register()