# 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 FootprintWizardBase import PadArray as PA class RowedGridArray(PA.PadGridArray): def __init__(self, *args, **kwargs): super(RowedGridArray, self).__init__(*args, **kwargs) def NamingFunction(self, x, y): pad_cnt = self.nx*self.ny if self.ny == 1: return x+1 if (y % 2) == 0: # upper row, count down return pad_cnt-x else: # lower row, count up return x+1 class RowedFootprint(FootprintWizardBase.FootprintWizard): pad_count_key = 'pad count' row_count_key = 'row count' row_spacing_key = 'row spacing' pad_length_key = 'pad length' pad_width_key = 'pad width' pad_pitch_key = 'pad pitch' silkscreen_inside_key = 'silk screen inside' outline_x_margin_key = 'outline x margin' outline_y_margin_key = 'outline y margin' def GenerateParameterList(self): # defaults for a DIP package self.AddParam("Pads", self.pad_count_key, self.uInteger, 24) self.AddParam("Pads", self.row_count_key, self.uInteger, 2, min_value=1, max_value=2) self.AddParam("Body", self.silkscreen_inside_key, self.uBool, False) self.AddParam("Body", self.outline_x_margin_key, self.uMM, 0.5) self.AddParam("Body", self.outline_y_margin_key, self.uMM, 0.5) def CheckParameters(self): self.CheckParam("Pads", self.pad_count_key, multiple=self.parameters['Pads'][self.row_count_key], info='Pads must be multiple of row count') def BuildThisFootprint(self): pads = self.parameters["Pads"] body = self.parameters["Body"] num_pads = pads[self.pad_count_key] pad_length = pads[self.pad_length_key] pad_width = pads[self.pad_width_key] row_pitch = pads[self.row_spacing_key] pad_pitch = pads[self.pad_pitch_key] num_rows = pads[self.row_count_key] pads_per_row = num_pads // num_rows # add in the pads pad = self.GetPad() array = RowedGridArray(pad, pads_per_row, num_rows, pad_pitch, row_pitch) array.AddPadsToModule(self.draw) # draw the Silk Screen Hsize = pad_pitch * (num_pads / num_rows - 1) Vsize = row_pitch * (num_rows - 1) pin1_posY = -Vsize / 2 pin1_posX = -Hsize / 2 pad_length = pads[self.pad_length_key] pad_width = pads[self.pad_width_key] ssx_offset = -pad_width / 2 - body[self.outline_x_margin_key] ssy_offset = -pad_length / 2 - body[self.outline_y_margin_key] if body[self.silkscreen_inside_key]: ssy_offset *= -1 ssx = -pin1_posX - ssx_offset ssy = -pin1_posY - ssy_offset cmargin = self.draw.GetLineThickness() self.draw.SetLineThickness( pcbnew.FromMM( 0.12 ) ) #Default per KLC F5.1 as of 12/2018 self.DrawBox(ssx, ssy) # Courtyard self.draw.SetLayer(pcbnew.F_CrtYd) cclearance = pcbnew.FromMM(0.25) sizex = (-pin1_posX + cclearance) * 2 + pad_width sizey = (-pin1_posY + cclearance) * 2 + pad_length # round size to nearest 0.02mm, rectangle will thus land on a 0.01mm grid sizex = pcbnew.PutOnGridMM(sizex, 0.02) sizey = pcbnew.PutOnGridMM(sizey, 0.02) # set courtyard line thickness to the one defined in KLC self.draw.SetLineThickness(pcbnew.FromMM(0.05)) self.draw.Box(0, 0, sizex, sizey) # restore line thickness to previous value self.draw.SetLineThickness(pcbnew.FromMM(cmargin)) #reference and value text_size = self.GetTextSize() # IPC nominal if num_rows == 1: text_py = ssy + text_size self.draw.Value(0, -text_py, text_size) self.draw.Reference(0, text_py, text_size) else: text_px = ssx + text_size # self.draw.Value(text_px, 0, text_size, orientation_degree=90) self.draw.Value(0, 0, text_size) self.draw.Reference(-text_px, 0, text_size, orientation_degree=90) # set the attribute if self.GetName() == "S-DIP": self.module.SetAttributes(pcbnew.FP_THROUGH_HOLE) elif self.GetName() == "SOIC": self.module.SetAttributes(pcbnew.FP_SMD) class SDIPWizard(RowedFootprint): def GetName(self): return "S-DIP" def GetDescription(self): return "Single/Dual Inline Package Footprint Wizard" def GenerateParameterList(self): RowedFootprint.GenerateParameterList(self) self.AddParam("Pads", self.pad_pitch_key, self.uMM, 2.54) self.AddParam("Pads", self.pad_width_key, self.uMM, 1.2) self.AddParam("Pads", self.pad_length_key, self.uMM, 2) self.AddParam("Pads", self.row_spacing_key, self.uMM, 7.52) self.AddParam("Pads", "drill size", self.uMM, 0.8) def GetValue(self): pads = self.parameters["Pads"] rows = pads[self.row_count_key] pad_count = pads[self.pad_count_key] row_dist_mil = pcbnew.pcbIUScale.IUToMils(int(self.parameters["Pads"][self.row_spacing_key])) #int(self.parameters["Pads"][self.row_spacing_key] / 2.54 * 100) pad_shape = "" if pads[self.pad_width_key] != pads[self.pad_length_key]: pad_shape = '_ELL' if rows == 1: name = "SIP" return "%s-%d" % (name, pad_count) name = "DIP" return "%s-%d_%d%s" % (name, pad_count, row_dist_mil, pad_shape) def GetPad(self): pad_length = self.parameters["Pads"][self.pad_length_key] pad_width = self.parameters["Pads"][self.pad_width_key] drill = self.parameters["Pads"]["drill size"] shape = pcbnew.PAD_SHAPE_CIRCLE if pad_length != pad_width: shape = pcbnew.PAD_SHAPE_OVAL return PA.PadMaker(self.module).THPad( pad_length, pad_width, drill, shape=shape) def DrawBox(self, ssx, ssy): if self.parameters["Pads"][self.row_count_key] == 2: # ---------- # |8 7 6 5 | # > | # |1 2 3 4 | # ---------- # draw the notch notchWidth = ssy/1.5 notchHeight = self.draw.GetLineThickness()*3 # NotchedBox draws the notch on top. Rotate the box 90 degrees # to have it on the left self.draw.NotchedBox(0, 0, ssy*2, ssx*2, notchWidth, notchHeight, -90) else: # ----------------- # |1|2 3 4 5 6 7 8| # ----------------- self.draw.Box(0, 0, ssx*2, ssy*2) #line between pin1 and pin2 pad_pitch = self.parameters["Pads"][self.pad_pitch_key] pad_cnt = self.parameters["Pads"][self.pad_count_key] line_x = ( pad_cnt/2 - 1) * pad_pitch self.draw.VLine(-line_x, -ssy, ssy * 2) return ssx, ssy SDIPWizard().register() class SOICWizard(RowedFootprint): def GetName(self): return "SOIC" def GetDescription(self): return "SOIC, MSOP, SSOP, TSSOP, etc, footprint wizard" def GetValue(self): pad_count = self.parameters["Pads"][self.pad_count_key] return "%s-%d" % ("SOIC", pad_count) def GenerateParameterList(self): RowedFootprint.GenerateParameterList(self) #and override some of them self.AddParam("Pads", self.pad_pitch_key, self.uMM, 1.27) self.AddParam("Pads", self.pad_width_key, self.uMM, 0.6) self.AddParam("Pads", self.pad_length_key, self.uMM, 2.2) self.AddParam("Pads", self.row_spacing_key, self.uMM, 5.2) def GetPad(self): pad_length = self.parameters["Pads"][self.pad_length_key] pad_width = self.parameters["Pads"][self.pad_width_key] return PA.PadMaker(self.module).SMDPad( pad_length, pad_width, shape=pcbnew.PAD_SHAPE_RECT) def DrawBox(self, ssx, ssy): # ---------- # |8 7 6 5 | # |1 2 3 4 | # \--------- setback = pcbnew.FromMM(0.8) if setback > ssy: setback = ssy self.draw.BoxWithDiagonalAtCorner(0, 0, ssx*2, ssy*2, setback, self.draw.flipY) SOICWizard().register()