#!/usr/bin/python # # This program source code file is part of KiCad, a free EDA CAD application. # # Copyright (C) 2012-2014 KiCad Developers, see change_log.txt for contributors. # # 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, you may find one here: # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html # or you may search the http://www.gnu.org website for the version 2 license, # or you may write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA # from pcbnew import * class TouchSliderWizard(FootprintWizardPlugin): def __init__(self): FootprintWizardPlugin.__init__(self) self.name = "Touch Slider" self.description = "Capacitive Touch Slider Wizard" self.parameters = { "Pads": {"*steps":4, # not internal (measurement) units preceded by "*" "*bands":2, "width": FromMM(10), "length": FromMM(50), "clearance": FromMM(1) } } self.ClearErrors() # build a rectangular pad def smdRectPad(self,module,size,pos,name): pad = D_PAD(module) pad.SetSize(size) pad.SetShape(PAD_SHAPE_RECT) pad.SetAttribute(PAD_ATTRIB_SMD) pad.SetLayerSet(pad.ConnSMDMask()) pad.SetPos0(pos) pad.SetPosition(pos) pad.SetPadName(name) return pad def smdTrianglePad(self,module,size,pos,name,up_down=1,left_right=0): pad = D_PAD(module) pad.SetSize(wxSize(size[0],size[1])) pad.SetShape(PAD_SHAPE_TRAPEZOID) pad.SetAttribute(PAD_ATTRIB_SMD) pad.SetLayerSet(pad.ConnSMDMask()) pad.SetPos0(pos) pad.SetPosition(pos) pad.SetPadName(name) pad.SetDelta(wxSize(left_right*size[1],up_down*size[0])) return pad # This method checks the parameters provided to wizard and set errors def CheckParameters(self): p = self.parameters steps = p["Pads"]["*steps"] errors = "" if (steps<1): self.parameter_errors["Pads"]["*steps"]="Must be positive" errors +="Pads/*steps has wrong value" p["Pads"]["*steps"] = int(pads) # make sure it stays as int (default is float) bands = p["Pads"]["*bands"] if (bands<1): self.parameter_errors["Pads"]["*bands"]="Must be positive" errors +="Pads/*bands has wrong value" p["Pads"]["*bands"] = int(bands) # make sure it stays as int (default is float) touch_width = p["Pads"]["width"] touch_length = p["Pads"]["length"] touch_clearance = p["Pads"]["clearance"] return errors # The start pad is made of a rectangular pad plus a couple of # triangular pads facing tips on the middle/right of the first # rectangular pad def AddStartPad(self,position,touch_width,step_length,clearance,name): module = self.module step_length = step_length - clearance size_pad = wxSize(step_length/2.0+(step_length/3),touch_width) pad = self.smdRectPad(module,size_pad,position-wxPoint(step_length/6,0),name) module.Add(pad) size_pad = wxSize(step_length/2.0,touch_width) tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2), position+wxPoint(size_pad[0]/2,size_pad[1]/4), name) module.Add(tp) tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2), position+wxPoint(size_pad[0]/2,-size_pad[1]/4), name ,-1) module.Add(tp) # compound a "start pad" shape plus a triangle on the left, pointing to # the previous touch-pad def AddMiddlePad(self,position,touch_width,step_length,clearance,name): module = self.module step_length = step_length - clearance size_pad = wxSize(step_length/2.0,touch_width) size_pad = wxSize(step_length/2.0,touch_width) pad = self.smdRectPad(module,size_pad,position,name) module.Add(pad) tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2), position+wxPoint(size_pad[0]/2,size_pad[1]/4), name) module.Add(tp) tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2), position+wxPoint(size_pad[0]/2,-size_pad[1]/4), name ,-1) module.Add(tp) tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2), position+wxPoint(-size_pad[0],0), name, 0, -1) module.Add(tp) def AddFinalPad(self,position,touch_width,step_length,clearance,name): module = self.module step_length = step_length - clearance size_pad = wxSize(step_length/2.0,touch_width) pad = self.smdRectPad(module, wxSize(size_pad[0]+(step_length/3),size_pad[1]), position+wxPoint(step_length/6,0), name) module.Add(pad) tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2), position+wxPoint(-size_pad[0],0), name, 0, -1) module.Add(tp) def AddStrip(self,pos,steps,touch_width,step_length,touch_clearance): self.AddStartPad(pos,touch_width,step_length,touch_clearance,"1") for n in range(2,steps): pos = pos + wxPoint(step_length,0) self.AddMiddlePad(pos,touch_width,step_length,touch_clearance,str(n)) pos = pos + wxPoint(step_length,0) self.AddFinalPad(pos,touch_width,step_length,touch_clearance,str(steps)) # build the footprint from parameters def BuildFootprint(self): module = MODULE(None) # create a new module self.module = module p = self.parameters steps = int(p["Pads"]["*steps"]) bands = int(p["Pads"]["*bands"]) touch_width = p["Pads"]["width"] touch_length = p["Pads"]["length"] touch_clearance = p["Pads"]["clearance"] step_length = float(touch_length) / float(steps) size_text = wxSize( FromMM( 1), FromMM( 1) ); module.SetReference("TS"+str(steps)) # give it a reference name module.Reference().SetPos0(wxPointMM(0,-2)) module.Reference().SetTextPosition(module.Reference().GetPos0()) module.Reference().SetSize( size_text ); module.SetValue("Val**") # give it a value module.Value().SetPos0(wxPointMM(0,-3.2)) module.Value().SetTextPosition(module.Value().GetPos0()) module.Value().SetSize( size_text ); # starting pad pos = wxPointMM(0,0) band_width = touch_width/bands for b in range(bands): self.AddStrip(pos,steps,band_width,step_length,touch_clearance) pos+=wxPoint(0,band_width) fpid = FPID(self.module.GetReference()) #the name in library module.SetFPID( fpid ) def register(): # create our footprint wizard touch_slider_wizard = TouchSliderWizard() # register it into pcbnew touch_slider_wizard.register() return touch_slider_wizard