def _init(self):
assert not self.n % 2
# Generate the pins
for i in xrange(self.n):
square = False
if i == 0:
square = True
p = Pin(dia=self.drill,
thickness=self.pad,
clearance=self.clearance,
mask=self.mask,
square=square,
id='_' + str(i + 1))
x = None
y = None
height = (self.n / 2) * self.spacing
if i < self.n / 2:
x = -(self.width / 2)
y = (-i * self.spacing) + (height / 2) - self.spacing / 2
else:
x = self.width / 2
y = -((-(i - self.n / 2) * self.spacing) + (height / 2) - self.spacing / 2)
translate(p,V(x,y))
self.add(p)
def test_centerof(self):
"""centerof()"""
def T(a,b):
self.assert_((a == b).all())
e = Element()
T(centerof(e),V(0,0))
translate(e,V(1,2))
T(centerof(e),V(1,2))
self.assertRaises(TypeError,lambda: centerof(V(0,0)))
self.assertRaises(TypeError,lambda: centerof(Transformation()))
self.assertRaises(TypeError,lambda: centerof('asdf'))
def test_apply_remove_context(self):
"""V._(apply|remove)_context"""
def T(got,expected = True):
self.assert_(expected == got,'got: %s expected: %s' % (got,expected))
a = Element(id=Id('a'))
b = Element(id=Id('b'))
a.add(b)
c = Element(id=Id('c'))
a.b.add(c)
a.v = V(1,1)
c.v = V(1,1)
translate(a.b,V(0,1))
translate(a.b.c,V(1,0))
T((a.b.c.v == V(2,2)).all())
# The added d element here is important. It's transform is null, so any
# optimizations that skip applying null transforms will hopefully
# trigger bugs here.
#
# Secondly, if we used c, it still has a transform applied to any
# results from it. For instance with a.b.c as uc, uc.v == V(2,1) right
# now. Confusing!
d = Element(id=Id('d'))
a.b.c.add(d)
with a.b.c.d as ud:
# The original vertex is at 1,1 The two translations moved by
# center point by 0,1 then 1,0 totaling 1,1 so the result cancels
# out to 0,0
T((ud[Id('../../')].v == V(0,0)).all())
rotate(a,pi / 2)
T(repr(a.b.c.v),repr(V(2,-2)))
with a.b.c.d as ud:
# Even with the rotation, the translates still cancel out, why?
# Because the whole stack above a was rotated, which isn't "seen"
# from the perspective of the stack above a.
T((ud[Id('../../')].v == V(0,0)).all())
def _init(self):
top_leds = []
bottom_leds = []
def dt(a, b):
t = self.add(Trace(thickness=20 * MIL))
t.set_endpoints(a, b)
for x in xrange(self.cols):
prev = None
for y in xrange(self.rows):
l = Led(id=Id('LED%s_%s' % (str(x), str(y))))
translate(
l,
V((x * self.spacing) -
((self.cols - 1) * self.spacing / 2),
(y * self.spacing) -
((self.rows - 0) * self.spacing / 2)))
l = self.add(l)
if prev is None:
top_leds.append(l)
else:
dt(prev.footprint._2, l.footprint._1)
prev = l
bottom_leds.append(prev)
# Create offset points for the common anodes and cathodes.
top_points = []
for t in top_leds:
p = Point()
translate(p, centerof(t.footprint._1) + V(0, -self.spacing / 2))
p = self.add(p)
dt(t.footprint._1, p)
top_points.append(p)
bottom_points = []
for t in bottom_leds:
p = Point()
translate(p, centerof(t.footprint._2) + V(0, self.spacing / 2))
p = self.add(p)
dt(t.footprint._2, p)
bottom_points.append(p)
# Link common anodes and cathodes
p = None
for i in top_points:
if p is not None:
dt(p, i)
p = i
p = None
for i in bottom_points:
if p is not None:
dt(p, i)
p = i
def testElementIterlayout(self):
"""Element.iterlayout()"""
def T(got,expected = True):
self.assert_(expected == got,'expected: %s got: %s' % (expected,got))
e = Element(id='base')
e.add(Element(id='chip'))
e.chip.add(Element(id='pad'))
e.chip.add(Geometry(layer='sch.lines',id='sym'))
e.chip.pad.add(Geometry(layer='top.copper',id='pad'))
# Check returned objects and Id auto-mangling
T(set([elem.id for elem in e.iterlayout()]),
set((Id('base/chip/pad/pad'), Id('base/chip/sym'))))
# Check that transforms are working
translate(e.chip,V(1,1))
[T(repr(elem.transform), repr(Translation(V(1.0, 1.0))))
for elem in e.iterlayout()]
translate(e.chip.pad,V(2,3))
r = {Id('base/chip/sym'):Translation(V(1.0, 1.0)),
Id('base/chip/pad/pad'):Translation(V(3.0, 4.0))}
for elem in e.iterlayout():
T(repr(r[elem.id]), repr(elem.transform))
# Check layer filtering works
T(set([elem.id for elem in e.iterlayout(layer_mask='top.*')]),
set((Id('base/chip/pad/pad'),)))
T(set([elem.id for elem in e.iterlayout(layer_mask='sch.*')]),
set((Id('base/chip/sym'),)))
def _init(self):
top_leds = []
bottom_leds = []
def dt(a,b):
t = self.add(Trace(thickness=20 * MIL))
t.set_endpoints(a,b)
for x in xrange(self.cols):
prev = None
for y in xrange(self.rows):
l = Led(id=Id('LED%s_%s' % (str(x),str(y))))
translate(l,V((x * self.spacing) - ((self.cols - 1) * self.spacing / 2),
(y * self.spacing) - ((self.rows - 0) * self.spacing / 2)))
l = self.add(l)
if prev is None:
top_leds.append(l)
else:
dt(prev.footprint._2,l.footprint._1)
prev = l
bottom_leds.append(prev)
# Create offset points for the common anodes and cathodes.
top_points = []
for t in top_leds:
p = Point()
translate(p,centerof(t.footprint._1) + V(0,-self.spacing / 2))
p = self.add(p)
dt(t.footprint._1,p)
top_points.append(p)
bottom_points = []
for t in bottom_leds:
p = Point()
translate(p,centerof(t.footprint._2) + V(0,self.spacing / 2))
p = self.add(p)
dt(t.footprint._2,p)
bottom_points.append(p)
# Link common anodes and cathodes
p = None
for i in top_points:
if p is not None:
dt(p,i)
p = i
p = None
for i in bottom_points:
if p is not None:
dt(p,i)
p = i
def testElementIdAttr(self):
"""Auto-magical attribute lookup from sub-element Id's"""
a = Element(id=Id('a'))
translate(a,V(1,1))
foo = Element(id=Id('foo'))
translate(foo,V(2,1))
bar = Element(id=Id('bar'))
translate(bar,V(1,2))
a.add(foo)
a.add(bar)
self.assert_(a.foo.id == Id('a/foo'))
self.assert_(repr(centerof(a.foo)) == repr(V(3,2)))
self.assert_(a.bar.id == Id('a/bar'))
self.assert_(repr(centerof(a.bar)) == repr(V(2,3)))
self.assertRaises(AttributeError,lambda: a.foobar)
foo.foo = 'foo'
self.assert_(a.foo.foo is foo.foo)
a.foo.bar = 'bar'
self.assert_(a.foo.bar is foo.bar)
def _init(self):
f = open(self.file,"r")
for l in f:
l = l.strip()
tag = re.findall(r'^(ElementArc|ElementLine|Element|Pin|Pad)',l)
if len(tag):
v = re.findall(r'\[.*\]',l)
# FIXME: add detection for mil units in () brackets
source_units = CMIL
v = v[0][1:-1].split(' ')
if tag[0] == 'Element':
(element_flags,description,pcb_name,value,mark_x,mark_y,text_x,text_y,text_direction,text_scale,text_flags) = v
mark_x = float(mark_x)
mark_y = float(mark_y)
text_x = float(text_x)
text_y = float(text_y)
mark_x *= source_units
mark_y *= source_units
text_x *= source_units
text_y *= source_units
# Base translation
translate(self,V(mark_x,mark_y))
elif tag[0] == 'Pin':
(x,y,thickness,clearance,mask,dia,name,pin_number,flags) = v
x = float(x) * source_units
y = float(y) * source_units
thickness = float(thickness) * source_units
clearance = float(clearance) * source_units
mask = float(mask) * source_units
dia = float(dia) * source_units
# Pin() defines pad thickness as the thickness of the
# metalization surrounding the hole. gEDA simply defines
# thickness as diameter of the metal, convert.
thickness = (thickness - dia) / 2
# gEDA defines clearance as the sum of both clearance
# thicknesses, Pin() defines it as a single thickness,
# convert
clearance = clearance / 2
pin_number = Id('_' + pin_number[1:-1]) # remove quotes
p = Pin(dia=dia,
thickness=thickness,
clearance=clearance,
mask=mask,
id=pin_number)
translate(p,V(x,y))
self.add(p)
elif tag[0] == 'Pad':
(x1,y1,x2,y2,thickness,clearance,mask,name,pad_number,flags) = v
x1 = float(x1) * source_units
y1 = float(y1) * source_units
x2 = float(x2) * source_units
y2 = float(y2) * source_units
thickness = float(thickness) * source_units
clearance = float(clearance) * source_units
mask = float(mask) * source_units
# gEDA defines clearance as the sum of both clearance
# thicknesses, Pin() defines it as a single thickness,
# convert
clearance = clearance / 2
pad_number = Id('_' + pad_number[1:-1]) # remove quotes
p = Pad(a=(x1,y1),b=(x2,y2),
thickness=thickness,
clearance=clearance,
mask=mask,
id=pad_number)
self.add(p)
