def add_pad(self,
position,
size,
name='',
pad_type='standard',
shape='circle',
drill=1.0,
layers=None):
"""Create a pad on the module
Args:
position: pad position in mm
size: pad size in mm, value if shape == 'circle', tuple otherwise
name: pad name/number
pad_type: One of 'standard', 'smd', 'conn', 'hole_not_plated'
shape: One of 'circle', 'rect', 'oval', 'trapezoid'
drill: drill size in mm, single value for round hole, or tuple for oblong hole.
layers: None for default, or a list of layer definitions (for example: ['F.Cu', 'F.Mask'])
"""
pad = Pad(pcbnew.D_PAD(self._module))
pad.type = pad_type
pad.shape = shape
pad.size = size
pad.name = name
pad.position = position
pad.layers = layers
self._module.Add(pad._pad)
return pad
def NPTHRoundPad(self, drill):
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(drill, drill))
pad.SetShape(pcbnew.PAD_SHAPE_CIRCLE)
pad.SetAttribute(pcbnew.PAD_ATTRIB_HOLE_NOT_PLATED)
pad.SetLayerSet(pad.UnplatedHoleMask())
pad.SetDrillSize(pcbnew.wxSize(drill, drill))
return pad
def SMDPad(self, Vsize, Hsize, shape=pcbnew.PAD_SHAPE_RECT, rot_degree=0):
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(Hsize, Vsize))
pad.SetShape(shape)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
pad.SetLayerSet(pad.SMDMask())
pad.SetOrientation(rot_degree*10) # rotation is in 0.1 degrees
return pad
def THPad(self, Vsize, Hsize, drill, shape=pcbnew.PAD_SHAPE_OVAL, rot_degree = 0):
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(Hsize, Vsize))
pad.SetShape(shape)
pad.SetAttribute(pcbnew.PAD_ATTRIB_STANDARD)
pad.SetLayerSet(pad.StandardMask())
pad.SetDrillSize(pcbnew.wxSize(drill, drill))
pad.SetOrientation(rot_degree*10) # rotation is in 0.1 degrees
return pad
def smdRectPad(self, module, size, pos, name):
pad = pcbnew.D_PAD(module)
pad.SetSize(size)
pad.SetShape(pcbnew.PAD_SHAPE_RECT)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
pad.SetLayerSet(pad.SMDMask())
pad.SetPos0(pos)
pad.SetPosition(pos)
pad.SetName(name)
return pad
def SMDPad(self, w, l, shape=pcbnew.PAD_SHAPE_RECT):
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(l, w))
pad.SetShape(shape)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
pad.SetLayerSet(pad.SMDMask())
return pad
def THPad(self, w, l, drill, shape=pcbnew.PAD_SHAPE_OVAL):
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(l, w))
pad.SetShape(shape)
pad.SetAttribute(pcbnew.PAD_ATTRIB_STANDARD)
pad.SetLayerSet(pad.StandardMask())
pad.SetDrillSize(pcbnew.wxSize(drill, drill))
return pad
def NPTHRoundPad(self, drill):
"""!
A round non-plated though hole (NPTH)
@param drill: the drill diameter (equals the NPTH diameter)
"""
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(drill, drill))
pad.SetShape(pcbnew.PAD_SHAPE_CIRCLE)
pad.SetAttribute(pcbnew.PAD_ATTRIB_HOLE_NOT_PLATED)
pad.SetLayerSet(pad.UnplatedHoleMask())
pad.SetDrillSize(pcbnew.wxSize(drill, drill))
return pad
def _drawSolderMaskOpening(self, sizex, sizey, radius):
# Draw the solder mask opening
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(sizex, sizey))
#TODO: Add fancy radius, once I figure out where to set the radius...
# pad.SetShape(pcbnew.PAD_SHAPE_ROUNDRECT)
pad.SetShape(pcbnew.PAD_SHAPE_RECT)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
layerset = pcbnew.LSET()
layerset.AddLayer(pcbnew.F_Mask)
pad.SetLayerSet( layerset )
pad.SetLocalSolderMaskMargin( -1 )
pad.SetPosition(pcbnew.wxPoint(0, 0))
pad.SetPadName("")
self.module.Add(pad)
def _drawPixel(self, xposition, yposition):
# build a rectangular pad: as a dot
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(self.X, self.X))
pad.SetShape(pcbnew.PAD_SHAPE_RECT)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
layerset = pcbnew.LSET()
if self.UseCu:
layerset.AddLayer(pcbnew.F_Cu)
if self.UseSilkS:
layerset.AddLayer(pcbnew.F_SilkS)
pad.SetLayerSet( layerset )
pad.SetLocalSolderMaskMargin( -1 )
pad.SetPosition(pcbnew.wxPoint(xposition,yposition))
pad.SetPadName("")
self.module.Add(pad)
def smd_rect_pad(self, module, size, pos, name):
pad = pcbnew.D_PAD(module)
pad.SetSize(size)
if self.parameters['Pads'].get('*oval', "true").lower() == "true":
pad.SetShape(pcbnew.PAD_OVAL)
else:
pad.SetShape(pcbnew.PAD_RECT)
pad.SetAttribute(pcbnew.PAD_SMD)
pad.SetLayerMask(pcbnew.PAD_SMD_DEFAULT_LAYERS)
pad.SetPos0(pos)
pad.SetPosition(pos)
pad.SetPadName(name)
return pad
def SMDPad(self, Vsize, Hsize, shape=pcbnew.PAD_SHAPE_RECT, rot_degree=0):
"""
Create a surface-mount pad of the given size and shape
@param Vsize: the vertical size of the pad
@param Hsize: the horizontal size of the pad
@param drill: the drill diameter
@param shape: the shape of the pad
@param rot_degree: the pad rotation, in degrees
"""
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(Hsize, Vsize))
pad.SetShape(shape)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
pad.SetLayerSet(pad.SMDMask())
pad.SetOrientation(rot_degree*10) # rotation is in 0.1 degrees
return pad
def _drawPixel(self, xposition, yposition):
# build a rectangular pad as a dot on copper layer,
# and a polygon (a square) on silkscreen
if self.UseCu:
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(self.X, self.X))
pad.SetPosition(pcbnew.wxPoint(xposition,yposition))
pad.SetShape(pcbnew.PAD_SHAPE_RECT)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
pad.SetName("")
layerset = pcbnew.LSET()
layerset.AddLayer(pcbnew.F_Cu)
layerset.AddLayer(pcbnew.F_Mask)
pad.SetLayerSet( layerset )
self.module.Add(pad)
if self.UseSilkS:
polygon=self.drawSquareArea(pcbnew.F_SilkS, self.X, xposition, yposition)
self.module.Add(polygon)
def TaperFootprint(self, center=pcbnew.wxPoint(0,0), angle_deg=0):
self.module = pcbnew.MODULE(None)
# 6
# 5 +------------+
# | |\
# | | \ 7
# | | +---+ 0
# | | | |
# | | +---+ 1
# | | / 2
# | |/
# 4 +------------+
# 3
points = [(self.w2/2, -self.w2/2), (self.w2/2, self.w2/2), (-self.w2/2, self.w2/2), \
(-self.w2/2 - self.tlen, self.w1/2), (-(self.w1/2 + self.tlen + self.w2/2), self.w1/2), \
(-(self.w1/2 + self.tlen + self.w2/2), -self.w1/2), (-self.w2/2 - self.tlen, -self.w1/2), \
(-self.w2/2, -self.w2/2)]
points = [pcbnew.wxPoint(*point) for point in points]
# Custom pad for smaller W2 x W2 pad
cs_pad = pcbnew.D_PAD(self.module)
cs_pad.SetSize(pcbnew.wxSize(self.w2, self.w2))
cs_pad.SetShape(pcbnew.PAD_SHAPE_CUSTOM)
cs_pad.SetAnchorPadShape(pcbnew.PAD_SHAPE_RECT)
cs_pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
cs_pad.SetLayerSet(pcbnew.LSET(pcbnew.F_Cu))
cs_pad.AddPrimitive(points, 0)
cs_pad.SetLocalClearance(1)
cs_pad.SetNet(self.net)
cs_pad.SetPadName("1")
self.module.Add(cs_pad)
self.module.Add(Layout.smdRectPad(self.module, pcbnew.wxSize(self.w1, self.w1), pcbnew.wxPoint(-(self.w1/2 + self.tlen + self.w2/2), 0), "1", angle_deg, self.net))
# TODO: Address other layers...
self.module.SetPosition(center)
# Add to pcbnew
pcbnew.GetBoard().Add(self.module)
pcbnew.Refresh()
def THPad(self, Vsize, Hsize, drill, shape=pcbnew.PAD_SHAPE_OVAL,
rot_degree = 0):
"""!
A basic through-hole pad of the given size and shape
@param Vsize: the vertical size of the pad
@param Hsize: the horizontal size of the pad
@param drill: the drill diameter
@param shape: the shape of the pad
@param rot_degree: the pad rotation, in degrees
"""
pad = pcbnew.D_PAD(self.module)
pad.SetSize(pcbnew.wxSize(Hsize, Vsize))
pad.SetShape(shape)
pad.SetAttribute(pcbnew.PAD_ATTRIB_STANDARD)
pad.SetLayerSet(pad.StandardMask())
pad.SetDrillSize(pcbnew.wxSize(drill, drill))
pad.SetOrientation(rot_degree*10) # rotation is in 0.1 degrees
return pad
def get_via_module(board, drill, diameter, net):
n = 'VIA-{}-{}'.format(fmt(drill), fmt(diameter))
# instantiate new module
m = pcbnew.MODULE(board)
m.SetReference('REF**')
m.SetValue(n)
m.SetLastEditTime(pcbnew.GetNewTimeStamp())
# adjust reference and value display settings
r = m.Reference()
r.SetVisible(False)
r.SetTextSize(pcbnew.wxSize(mm2kicad(0.3), mm2kicad(0.3)))
r.SetThickness(mm2kicad(0.075))
v = m.Value()
v.SetVisible(False)
v.SetTextSize(pcbnew.wxSize(mm2kicad(0.3), mm2kicad(0.3)))
v.SetThickness(mm2kicad(0.075))
#v.SetLayer() # TODO: Move value to F.Fab layer (F.SilkS is default)
lib_id = pcbnew.LIB_ID(n)
m.SetFPID(lib_id)
# create through-hole pad
pad = pcbnew.D_PAD(m)
pad.SetPadName('1')
pad.SetNet(net)
pad.SetPosition(pcbnew.wxPoint(0, 0))
pad.SetShape(pcbnew.PAD_SHAPE_CIRCLE)
pad.SetSize(pcbnew.wxSize(diameter, diameter))
pad.SetDrillShape(pcbnew.PAD_DRILL_SHAPE_CIRCLE)
pad.SetDrillSize(pcbnew.wxSize(drill, drill))
pad.SetLayerSet(pcbnew.LSET.AllCuMask())
pad.SetZoneConnection(pcbnew.PAD_ZONE_CONN_FULL)
# add pad to module
m.Add(pad)
return m
def createPad(self, number, name):
top = number % 2 == 1
if self.omitPin(number):
return None
padTotalHeight = topPadHeight if top else bottomPadHeight
padHeight = padTotalHeight - padVerticalOffset
padSize = pcbnew.wxSize(padWidth, padHeight)
padOneCenterX = pcbnew.FromMM(18 * 0.5 + 0.25)
padTwoCenterX = padOneCenterX + pcbnew.FromMM(0.25)
pad = pcbnew.D_PAD(self.module)
layerSet = pcbnew.LSET()
if top:
# On the top, 0.0 is centered between pads 35 and 37.
padOffset = (number - 1) / 2
padCenterX = padOneCenterX - pcbnew.FromMM(padOffset * 0.5)
layerSet.AddLayer(pcbnew.F_Cu)
else:
# On the bottom, 0.0 is the center of pad 36.
padOffset = (number) / 2
padCenterX = padTwoCenterX - pcbnew.FromMM(padOffset * 0.5)
layerSet.AddLayer(pcbnew.B_Cu)
padCenterY = -(padVerticalOffset + padHeight / 2.0)
padCenter = pcbnew.wxPoint(padCenterX, padCenterY)
pad.SetSize(padSize)
pad.SetPos0(padCenter)
pad.SetPosition(padCenter)
pad.SetShape(pcbnew.PAD_SHAPE_RECT)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
pad.SetLayerSet(layerSet)
pad.SetPadName(name)
return pad
def smdRectPad(module, size, pos, name, angle, net):
'''Build a rectangular pad.'''
pad = pcbnew.D_PAD(module)
pad.SetSize(size)
pad.SetShape(pcbnew.PAD_SHAPE_RECT)
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
# Set only the copper layer without mask
# since nothing is mounted on these pads
pad.SetLayerSet(pcbnew.LSET(pcbnew.F_Cu)) # Get active layer
pad.SetPos0(pos)
pad.SetPosition(pos)
pad.SetPadName(name)
pad.Rotate(pos, angle)
# Set clearance to small value, because
# pads can be very close together.
# If distance is smaller than clearance
# DRC doesn't allow routing the pads
pad.SetLocalClearance(1)
pad.SetNet(net)
return pad
def Run(self):
"""
The entry function of the plugin that is executed on user action
"""
board = pcbnew.GetBoard()
# TODO also aggregate and bin by optional attributes, like tolerances
radii = set()
circles = []
# TODO don't add an extra hole in same place -> overwrite
# get circles drawn on board
# TODO maybe include some means of filtering out possible circular board outline
drawing_list = board.DrawingsList()
for d in drawing_list:
if d.GetLayerName() == 'Edge.Cuts':
# to gaurd against random stuff being on edge cuts for some reason
# causing weird errors
assert type(
d) == pcbnew.DRAWSEGMENT, 'non-DRAWSEGMENT on Edge.Cuts'
if d.GetShapeStr() == 'Circle':
# TODO check these are what i want, and don't need modification
# w/ thickness or whatever (check using dxf import)
r = d.GetRadius()
radii.add(r)
c = d.GetCenter()
circles.append((c.x, c.y, r))
# TODO make optional
# how to do?
board.RemoveNative(d)
# TODO option to use nearest hole in existing library option / next largest
# (report error)
# TODO easiest way to get available footprints (and their radii?)
# TODO option to take a set of target hole sizes (for DFM purposes)
# TODO include either global use next largest / next smallest
# (maybe ignore locked, and say that, to complement this?)
# or let people check for each hole whether they want to use next up or down
# TODO option to make new hole components and put in project specific library
# TODO include field for library to be saved to (maybe mandatory if this option?)
# TODO fail gracefully if board filename is empty (board not saved yet)
target_footprint_lib = '.'.join(str(board.GetFileName()).split('.')[:-1]) \
+ '.pretty'
if not os.path.exists(target_footprint_lib):
print('creating project specific footprint library' + \
' {}'.format(target_footprint_lib))
pcbnew.PCB_IO().FootprintLibCreate(target_footprint_lib)
else:
print('using footprint library {}'.format(target_footprint_lib))
# make a new footprint for each distinct hole radius we need
# save to project specific library by default
for r in radii:
r_mm = nm_to_mm(r)
print('generating footprint for hole of radius {}mm'.format(r_mm))
footprint = pcbnew.MODULE(None)
# for non-electronic parts like these
footprint.SetAttributes(pcbnew.MOD_VIRTUAL)
footprint.SetLastEditTime()
footprint.SetKeywords('non-plated through hole NPTH')
# TODO it looks like the module itself needs to be specified to be on F.Cu?
# how? (see github for example output)
# TODO set tags to include non-plated through hole, npth?
#footprint.SetDescription('{}mm diameter non-plated through hole')
pad = pcbnew.D_PAD(footprint)
# other library mounting hole pads seem to have this pad number
pad.SetName('1')
# TODO does this change the layers and stuff automatically? pad shape?
pad.SetAttribute(pcbnew.PAD_ATTRIB_HOLE_NOT_PLATED)
pad.SetShape(pcbnew.PAD_SHAPE_CIRCLE)
# TODO do i need setsize / setstartend?
# size seems to equal (r, r) for existing npth library parts
# all holes in KiCad currently have to reside on one of the (external?)
# copper layers (F.Cu should be one of these layers. mask the other?)
pad.SetLayerSet(pcbnew.D_PAD_UnplatedHoleMask())
# TODO are holes alone actually rendered, or do you need the other stuff?
# there seems to be a PAD_DRILL_SHAPE_CIRCLE and PAD_DRILL_SHAPE_OBLONG
# but when are they ever not circular? oblong = limited routing?
# would advanced circuits do oblong, for instance?
#pad.SetDrillShape() # huh???
# TODO why isn't this a single number? what gens (drill X)?
# TODO why is x in (size x x) slightly larger than 1.5?
pad.SetDrillSize(pcbnew.wxSize(r, r))
footprint.Add(pad)
footprint_id = 'R{}mm_NPTH'.format(r_mm)
footprint.SetReference(footprint_id)
'''
footprint.Reference().SetPosition(pcbnew.wxPoint()1)
footprint.Value().SetPosition(pcbnew.wxPoint()1)
'''
# aiming for a visible layer that does not translate into manufacture
comment_layer_id = get_layer_id_by_name('Cmts.User')
footprint.Reference().SetLayer(comment_layer_id)
footprint.Value().SetLayer(comment_layer_id)
# this is the filename, preceeding .kicad_mod
fpid = pcbnew.LIB_ID(footprint_id)
footprint.SetFPID(fpid)
# seems to work to lock all imports by default
footprint.SetLocked(True)
print('saving footprint to {}'.format(os.path.join(\
target_footprint_lib, footprint_id + '.kicad_mod')))
pcbnew.PCB_IO().FootprintSave(target_footprint_lib, footprint)
for x, y, r_curr in circles:
if r == r_curr:
f_new = pcbnew.PCB_IO().FootprintLoad(
target_footprint_lib, footprint_id)
f_new.SetPosition(pcbnew.wxPoint(x, y))
board.Add(f_new)
def ChamferFootprint(self, center=pcbnew.wxPoint(0, 0)):
self.module = pcbnew.MODULE(None) # Create new module
self.angle = m.radians(self.angle_deg)
# Calculate the miter
w = self.width
# Width of the corner from edge of the corner to inside corner
corner_width = pcbnew.ToMM(w) / m.cos(self.angle / 2)
# Get proportion of width to cut
cut = self.OptimalMiter()
print("Cut: {0:.2f}%".format(cut * 100))
# Distance from uncut outside corner point to point 7
cut = pcbnew.FromMM(cut * corner_width / m.cos(
(m.pi - self.angle) / 2))
# Distance between points 2 and 3 and points 3 and 4
# Minimum of w/2 to satisfy DRC, otherwise pads are too close
# and track connected to other pad overlaps the other one.
# Rounded trace end can also stick out of the cut area
# if a is too small.
a = max(cut - self.width * m.tan(self.angle / 2), w / 2)
# Distance between points 3 and 4
x34 = a * m.sin(self.angle)
y34 = a * m.cos(self.angle)
# Distance between points 4 and 5
x45 = self.width * m.cos(self.angle)
y45 = self.width * m.sin(self.angle)
# Distance from point 7 to 1 (no x-component)
d71 = a + self.width * m.tan(self.angle / 2) - cut
# 1 2
# +--+
# | |3
# 7 \ --+ 4
# \ |
# \--+ 5
# 6
dW = w / 55 # To prevent tracks from over-extending
points = [
(-w / 2, -d71 / 2), (w / 2, -d71 / 2), (w / 2, a - d71 / 2 + dW),
(w / 2 + x34 - (d71 / 2 - d71 / 1e5 - dW) * m.sin(self.angle),
a + y34 - d71 / 2 -
(d71 / 2 - d71 / 1e5 - dW) * m.cos(self.angle) + dW),
(w / 2 + x34 - x45 -
(d71 / 2 - d71 / 1e5 - dW) * m.sin(self.angle), a + y34 + y45 -
d71 / 2 - (d71 / 2 - d71 / 1e5 - dW) * m.cos(self.angle) + dW),
(cut * m.sin(self.angle) - w / 2,
a + self.width * m.tan(self.angle / 2) + cut * m.cos(self.angle) -
d71 / 2 + dW),
(-w / 2,
a + self.width * m.tan(self.angle / 2) - cut - d71 / 2 + dW)
]
# Last two points can be equal
if points[-2] == points[-1]:
points = points[:-1]
points = [pcbnew.wxPoint(*point) for point in points]
# Custom pad
cs_pad = pcbnew.D_PAD(self.module)
cs_pad.SetSize(pcbnew.wxSize(w, d71))
cs_pad.SetShape(pcbnew.PAD_SHAPE_CUSTOM)
cs_pad.SetAnchorPadShape(pcbnew.PAD_SHAPE_RECT)
cs_pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
cs_pad.SetLayerSet(pcbnew.LSET(pcbnew.F_Cu))
cs_pad.AddPrimitive(points, 0)
cs_pad.SetLocalClearance(1)
cs_pad.SetNet(self.net)
cs_pad.SetPadName("1")
self.module.Add(cs_pad)
# Halfway between points 4 and 5
posx = ((w / 2 + x34) + (w / 2 + x34 - x45)) / 2
posy = ((a + y34 - d71 / 2) + (a + y34 + y45 - d71 / 2)) / 2
# Position pad so that pad edge touches polygon edge
posx -= (d71 / 2 - dW) * m.sin(self.angle)
posy -= (d71 / 2 - dW) * m.cos(self.angle) - dW
size_pad = pcbnew.wxSize(d71, w)
self.module.Add(
Layout.smdRectPad(self.module, pcbnew.wxSize(w, d71),
pcbnew.wxPoint(0, 0), "1", 0,
self.net)) # Alignment pad
self.module.Add(
Layout.smdRectPad(self.module, size_pad,
pcbnew.wxPoint(posx, posy), "1",
(self.angle_deg - 90) * 10, self.net))
self.module.Rotate(self.module.GetPosition(),
(90 + self.angle_deg) * 100)
# self.module.MoveAnchorPosition(pcbnew.wxPoint((d71/2 - a - w/2)*m.sin(self.angle), \
# (d71/2 - a - w/2)*m.cos(self.angle)))
self.module.SetPosition(center)
if self.layer == pcbnew.B_Cu: self.module.Flip(self.module.GetCenter())
elif self.layer == pcbnew.F_Cu:
self.module.Rotate(self.module.GetPosition(),
(90 + self.angle_deg) * 100)
# Find center of bounding box for placement
# Add to Pcbnew
pcbnew.GetBoard().Add(self.module)
pcbnew.Refresh()
def hole_pad(board,
module,
size,
drill_size,
pos,
net,
pad_type="round"): # round|first_half|second_half
pad = pcbnew.D_PAD(module)
pad.SetSize(size)
pad.SetDrillSize(drill_size)
# pad.SetPos0(pos) # don't do this, pcbnew will freak out after save/open
pad.SetPosition(pos)
if net == ensure_net(board, "VCC") \
or net == ensure_net(board, "GND") \
or net == 0:
# thru-holes
pad.SetAttribute(pcbnew.PAD_ATTRIB_STANDARD)
pad.SetLayerSet(pad.StandardMask())
if net == ensure_net(board, "VCC"):
pad.SetShape(pcbnew.PAD_SHAPE_RECT)
pad.SetOrientation(deg(45))
else:
pad.SetShape(pcbnew.PAD_SHAPE_CIRCLE)
else:
# bridge pads
pad.SetAttribute(pcbnew.PAD_ATTRIB_SMD)
if pad_type == "round":
pad.SetShape(pcbnew.PAD_SHAPE_CIRCLE)
else:
pad.SetShape(pcbnew.PAD_SHAPE_CUSTOM)
r = int(size.GetWidth() / 2)
inverter = 1
if pad_type == "first_half":
inverter = -1
hack_shift = int(r / 2)
gap = int(GAP / 2) * inverter
pad.SetPosition(
pcbnew.wxPoint(pos.x, pos.y + hack_shift * inverter + gap))
module.SetPosition(
pcbnew.wxPoint(module.GetPosition().x,
module.GetPosition().y +
gap)) # XXX yet another hack
pad.SetSize(pcbnew.wxSize(int(r * 0.9), int(
r * 0.9))) # base shape (a tad smaller)
# ^ base shape size can't be 0 because 3d view asserts != 0
# ^ base shape size can't be 1 because somehow you'll end up with no copper
# ^ base shape size can't be small because KiCad will find a way to break apart
points = pcbnew.wxPoint_Vector()
points.append(pcbnew.wxPoint(-r, -hack_shift * inverter))
for x in range(-r + int(COPPER_STEP_EVERY), +r,
int(COPPER_STEP_EVERY)):
# y = sqrt(r**2 - x**2)
points.append(
pcbnew.wxPoint(x,
(int(math.sqrt(r**2 - x**2)) - hack_shift) *
inverter))
points.append(pcbnew.wxPoint(+r, -hack_shift * inverter))
pad.AddPrimitive(points, 0) # 0 thickness = filled
layer_set = pad.SMDMask().RemoveLayer(board.GetLayerID("F.Paste"))
if "_B" in board.GetNetsByNetcode()[net].GetNetname():
# XXX we should be flipping the module, not the pad
pad.SetLayerSet(pcbnew.FlipLayerMask(layer_set))
pad.Rotate(pos, 90 * 10)
else:
pad.SetLayerSet(layer_set)
pad.Rotate(pos, 0)
pad.SetPadName("0")
pad.SetNet(board.GetNetsByNetcode()[net])
module.Add(pad)
