208 lines
7.8 KiB
Python
208 lines
7.8 KiB
Python
#
|
|
# This program source code file is part of KiCad, a free EDA CAD application.
|
|
#
|
|
# Copyright (C) 2012-2023 KiCad Developers
|
|
#
|
|
# 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 *
|
|
import FootprintWizardBase
|
|
import pcbnew
|
|
|
|
class TouchSliderWizard(FootprintWizardBase.FootprintWizard):
|
|
|
|
def GetName(self):
|
|
"""
|
|
Return footprint name.
|
|
This is specific to each footprint class, you need to implement this
|
|
"""
|
|
return 'Touch Slider'
|
|
|
|
def GetDescription(self):
|
|
"""
|
|
Return footprint description.
|
|
This is specific to each footprint class, you need to implement this
|
|
"""
|
|
return 'Capacitive Touch Slider wizard'
|
|
|
|
def GetValue(self):
|
|
return "TouchSlider-{s}_{x:g}x{y:g}mm".format(
|
|
s = self.pads['steps'],
|
|
x = pcbnew.ToMM(self.pads['length']),
|
|
y = pcbnew.ToMM(self.pads['width'])
|
|
)
|
|
|
|
def GenerateParameterList(self):
|
|
self.AddParam("Pads", "steps", self.uInteger, 4, min_value=2)
|
|
self.AddParam("Pads", "bands", self.uInteger, 2, min_value=1)
|
|
self.AddParam("Pads", "width", self.uMM, 10)
|
|
self.AddParam("Pads", "length", self.uMM, 50)
|
|
self.AddParam("Pads", "clearance", self.uMM, 1)
|
|
|
|
@property
|
|
def pads(self):
|
|
return self.parameters['Pads']
|
|
|
|
# build a rectangular pad
|
|
def smdRectPad(self,module,size,pos,name):
|
|
pad = 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.SetName(name)
|
|
return pad
|
|
|
|
|
|
def smdTrianglePad(self,module,size,pos,name,up_down=1,left_right=0):
|
|
pad = PAD(module)
|
|
pad.SetSize(VECTOR2I(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.SetName(name)
|
|
pad.SetDelta(VECTOR2I(left_right*size[1],up_down*size[0]))
|
|
return pad
|
|
|
|
|
|
# This method checks the parameters provided to wizard and set errors
|
|
def CheckParameters(self):
|
|
#TODO - implement custom checks
|
|
pass
|
|
|
|
# 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 = VECTOR2I( (int)(step_length/2.0+(step_length/3)),(int)(touch_width) )
|
|
pad = self.smdRectPad(module,size_pad,(VECTOR2I(position)-VECTOR2I( (int)(step_length/6),0)),name)
|
|
module.Add(pad)
|
|
|
|
size_pad = VECTOR2I((int)(step_length/2.0),(int)(touch_width))
|
|
|
|
tp = self.smdTrianglePad(module,VECTOR2I(size_pad[0], (int)(size_pad[1]/2)),
|
|
VECTOR2I(position)+VECTOR2I( (int)(size_pad[0]/2), (int)(size_pad[1]/4) ),
|
|
name)
|
|
module.Add(tp)
|
|
tp = self.smdTrianglePad(module,VECTOR2I(size_pad[0],(int)(size_pad[1]/2) ),
|
|
position+VECTOR2I( (int)(size_pad[0]/2), (int)(-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 = VECTOR2I((int)(step_length/2.0),(int)(touch_width))
|
|
|
|
size_pad = VECTOR2I((int)(step_length/2.0),(int)(touch_width))
|
|
pad = self.smdRectPad(module,size_pad,position,name)
|
|
module.Add(pad)
|
|
|
|
tp = self.smdTrianglePad(module,VECTOR2I(size_pad[0],(int)(size_pad[1]/2)),
|
|
position+VECTOR2I( (int)(size_pad[0]/2), (int)(size_pad[1]/4) ),
|
|
name)
|
|
module.Add(tp)
|
|
tp = self.smdTrianglePad(module,VECTOR2I(size_pad[0],(int)(size_pad[1]/2)),
|
|
position+VECTOR2I( (int)(size_pad[0]/2), (int)(-size_pad[1]/4) ),
|
|
name
|
|
,-1)
|
|
module.Add(tp)
|
|
|
|
tp = self.smdTrianglePad(module,VECTOR2I(size_pad[0],(int)(size_pad[1]/2)),
|
|
position+VECTOR2I( -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 = VECTOR2I((int)(step_length/2.0),(int)(touch_width))
|
|
|
|
pad = self.smdRectPad(module,
|
|
VECTOR2I( (int)(size_pad[0]+(step_length/3)),size_pad[1]),
|
|
position+VECTOR2I( (int)(step_length/6),0),
|
|
name)
|
|
module.Add(pad)
|
|
|
|
tp = self.smdTrianglePad(module,VECTOR2I(size_pad[0],(int)(size_pad[1]/2)),
|
|
position+VECTOR2I(-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 + VECTOR2I((int)(step_length),0)
|
|
self.AddMiddlePad(pos,touch_width,step_length,touch_clearance,str(n))
|
|
|
|
pos = pos + VECTOR2I((int)(step_length),0)
|
|
self.AddFinalPad(pos,touch_width,step_length,touch_clearance,str(steps))
|
|
|
|
# build the footprint from parameters
|
|
# FIX ME: the X and Y position of the footprint can be better.
|
|
def BuildThisFootprint(self):
|
|
|
|
steps = self.pads["steps"]
|
|
bands = self.pads["bands"]
|
|
touch_width = self.pads["width"]
|
|
touch_length = self.pads["length"]
|
|
touch_clearance = self.pads["clearance"]
|
|
|
|
step_length = float(touch_length) / float(steps)
|
|
|
|
t_size = self.GetTextSize()
|
|
w_text = self.draw.GetLineThickness()
|
|
ypos = touch_width/2 + t_size/2 + w_text
|
|
self.draw.Value(0, -ypos, t_size)
|
|
ypos += t_size + w_text*2
|
|
self.draw.Reference(0, -ypos, t_size)
|
|
|
|
# set SMD attribute
|
|
self.module.SetAttributes(PAD_ATTRIB_SMD)
|
|
|
|
# starting pad
|
|
band_width = touch_width/bands
|
|
|
|
xpos = -0.5 * (steps - 1) * step_length
|
|
ypos = -0.5 * (bands - 1) * band_width
|
|
|
|
pos = VECTOR2I( int(xpos), int(ypos) )
|
|
|
|
for b in range(bands):
|
|
self.AddStrip(pos,steps,band_width,step_length,touch_clearance)
|
|
pos += VECTOR2I(0,(int)(band_width))
|
|
|
|
TouchSliderWizard().register()
|
|
|