206 lines
7.6 KiB
Python
206 lines
7.6 KiB
Python
#!/usr/bin/python
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#
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# This program source code file is part of KiCad, a free EDA CAD application.
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#
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# Copyright (C) 2012-2014 KiCad Developers, see change_log.txt for contributors.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you may find one here:
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# or you may search the http://www.gnu.org website for the version 2 license,
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# or you may write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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#
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from pcbnew import *
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import HelpfulFootprintWizardPlugin as HFPW
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class TouchSliderWizard(HFPW.HelpfulFootprintWizardPlugin):
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def GetName(self):
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"""
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Return footprint name.
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This is specific to each footprint class, you need to implement this
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"""
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return 'Touch Slider'
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def GetDescription(self):
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"""
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Return footprint description.
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This is specific to each footprint class, you need to implement this
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"""
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return 'Capacitive Touch Slider wizard'
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def GetValue(self):
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steps = int(self.parameters["Pads"]["*steps"])
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return "TS"+str(steps)
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def GenerateParameterList(self):
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self.AddParam("Pads", "steps", self.uNatural, 4)
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self.AddParam("Pads", "bands", self.uNatural, 2)
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self.AddParam("Pads", "width", self.uMM, 10)
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self.AddParam("Pads", "length", self.uMM, 50)
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self.AddParam("Pads", "clearance", self.uMM, 1)
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# build a rectangular pad
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def smdRectPad(self,module,size,pos,name):
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pad = D_PAD(module)
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pad.SetSize(size)
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pad.SetShape(PAD_SHAPE_RECT)
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pad.SetAttribute(PAD_ATTRIB_SMD)
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pad.SetLayerSet(pad.ConnSMDMask())
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pad.SetPos0(pos)
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pad.SetPosition(pos)
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pad.SetPadName(name)
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return pad
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def smdTrianglePad(self,module,size,pos,name,up_down=1,left_right=0):
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pad = D_PAD(module)
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pad.SetSize(wxSize(size[0],size[1]))
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pad.SetShape(PAD_SHAPE_TRAPEZOID)
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pad.SetAttribute(PAD_ATTRIB_SMD)
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pad.SetLayerSet(pad.ConnSMDMask())
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pad.SetPos0(pos)
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pad.SetPosition(pos)
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pad.SetPadName(name)
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pad.SetDelta(wxSize(left_right*size[1],up_down*size[0]))
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return pad
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# This method checks the parameters provided to wizard and set errors
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def CheckParameters(self):
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prms = self.parameters["Pads"]
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steps = prms["*steps"]
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bands = prms["*bands"]
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if steps < 1:
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self.parameter_errors["Pads"]["*steps"]="steps must be positive"
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if bands < 1:
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self.parameter_errors["Pads"]["*bands"]="bands must be positive"
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touch_width = prms["width"]
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touch_length = prms["length"]
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touch_clearance = prms["clearance"]
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# The start pad is made of a rectangular pad plus a couple of
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# triangular pads facing tips on the middle/right of the first
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# rectangular pad
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def AddStartPad(self,position,touch_width,step_length,clearance,name):
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module = self.module
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step_length = step_length - clearance
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size_pad = wxSize(step_length/2.0+(step_length/3),touch_width)
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pad = self.smdRectPad(module,size_pad,position-wxPoint(step_length/6,0),name)
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module.Add(pad)
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size_pad = wxSize(step_length/2.0,touch_width)
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tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2),
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position+wxPoint(size_pad[0]/2,size_pad[1]/4),
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name)
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module.Add(tp)
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tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2),
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position+wxPoint(size_pad[0]/2,-size_pad[1]/4),
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name
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,-1)
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module.Add(tp)
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# compound a "start pad" shape plus a triangle on the left, pointing to
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# the previous touch-pad
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def AddMiddlePad(self,position,touch_width,step_length,clearance,name):
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module = self.module
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step_length = step_length - clearance
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size_pad = wxSize(step_length/2.0,touch_width)
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size_pad = wxSize(step_length/2.0,touch_width)
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pad = self.smdRectPad(module,size_pad,position,name)
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module.Add(pad)
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tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2),
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position+wxPoint(size_pad[0]/2,size_pad[1]/4),
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name)
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module.Add(tp)
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tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2),
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position+wxPoint(size_pad[0]/2,-size_pad[1]/4),
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name
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,-1)
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module.Add(tp)
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tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2),
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position+wxPoint(-size_pad[0],0),
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name,
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0,
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-1)
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module.Add(tp)
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def AddFinalPad(self,position,touch_width,step_length,clearance,name):
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module = self.module
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step_length = step_length - clearance
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size_pad = wxSize(step_length/2.0,touch_width)
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pad = self.smdRectPad(module,
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wxSize(size_pad[0]+(step_length/3),size_pad[1]),
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position+wxPoint(step_length/6,0),
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name)
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module.Add(pad)
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tp = self.smdTrianglePad(module,wxSize(size_pad[0],size_pad[1]/2),
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position+wxPoint(-size_pad[0],0),
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name,
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0,
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-1)
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module.Add(tp)
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def AddStrip(self,pos,steps,touch_width,step_length,touch_clearance):
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self.AddStartPad(pos,touch_width,step_length,touch_clearance,"1")
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for n in range(2,steps):
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pos = pos + wxPoint(step_length,0)
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self.AddMiddlePad(pos,touch_width,step_length,touch_clearance,str(n))
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pos = pos + wxPoint(step_length,0)
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self.AddFinalPad(pos,touch_width,step_length,touch_clearance,str(steps))
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# build the footprint from parameters
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# FIX ME: the X and Y position of the footprint can be better.
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def BuildThisFootprint(self):
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prm = self.parameters["Pads"]
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steps = int(prm["*steps"])
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bands = int(prm["*bands"])
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touch_width = prm["width"]
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touch_length = prm["length"]
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touch_clearance = prm["clearance"]
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step_length = float(touch_length) / float(steps)
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t_size = self.GetTextSize()
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w_text = self.draw.GetLineTickness()
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ypos = touch_width/(bands*2) + t_size/2 + w_text
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self.draw.Value(0, -ypos, t_size)
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ypos += t_size + w_text*2
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self.draw.Reference(0, -ypos, t_size)
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# starting pad
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pos = wxPointMM(0,0)
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band_width = touch_width/bands
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for b in range(bands):
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self.AddStrip(pos,steps,band_width,step_length,touch_clearance)
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pos += wxPoint(0,band_width)
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TouchSliderWizard().register()
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