def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
m2 = p['M2']
m2['AdjacentAttacker'] = 1
assert 'Width' in m2
dy = m2['Width'] // 2
py = m2['Pitch']
c.terminals = [{
'layer': 'M2',
'netName': 'x',
'rect': [0, 0 * py - dy, 200, 0 * py + dy]
}, {
'layer': 'M2',
'netName': 'y',
'rect': [200, 1 * py - dy, 400, 1 * py + dy]
}]
return c
def test_canvas_three():
def _helper(c):
c.addWire(c.m1, 'a', None, 1, (1, -1), (6, 1))
c.addWire(c.m3, 'a', None, 2, (1, -1), (6, 1))
c.addWire(c.m5, 'a', None, 3, (1, -1), (6, 1))
c.addWire(c.m2, 'a', None, 1, (1, -1), (3, 1))
c.addWire(c.m4, 'a', None, 2, (1, -1), (3, 1))
c.addWire(c.m6, 'a', None, 3, (1, -1), (3, 1))
c.addVia(c.v1, 'a', None, 1, 1)
c.addVia(c.v2, 'a', None, 2, 1)
c.addVia(c.v3, 'a', None, 2, 2)
c.addVia(c.v4, 'a', None, 3, 2)
c.addVia(c.v5, 'a', None, 3, 3)
c.computeBbox()
c1 = CanvasPDK()
_helper(c1)
c1.gen_data(run_drc=True)
assert c1.drc.num_errors == 0
c2 = DefaultCanvas(Pdk().load(layers_json))
_helper(c2)
c2.gen_data(run_drc=True)
assert c2.drc.num_errors == 0
export_to_viewer("test_canvas_3_c1", c1)
export_to_viewer("test_canvas_3_c2", c2)
d1 = {'bbox': c1.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c1.removeDuplicates(allow_opens=True)}
d2 = {'bbox': c2.bbox.toList(), 'globalRoutes': [], 'globalRouteGrid': [], 'terminals': c2.removeDuplicates(allow_opens=True)}
assert d1 == d2
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None))
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen(Via(nm="v1", layer="V1", h_clg=None, v_clg=None))
return c
def test_m3():
p = Pdk().load(pdkfile)
c = DefaultCanvas(p)
m = c.generators['m3']
mt = MetalTemplate(m)
print("m3 clg grid", m.clg.grid, "m3 clg legal indices",
m.clg.legalIndices)
print("m3 spg grid", m.spg.grid, "m3 spg legal indices",
m.spg.legalIndices)
assert 1 in m.spg.legalIndices
assert 3 in m.spg.legalIndices
### The following assertions are modified based on the updtaed PDK
assert m.spg.grid[1][0] == 36
assert m.spg.grid[3][0] == 48
assert mt.widths == [40, 40, 40]
assert mt.colors == ["c1", "c2", "c1"]
assert mt.spaces == [40, 40]
assert mt.offset == 0
assert mt.stop_offset == 36
assert mt.stops == [12, 72]
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m1', layer='M1', direction='v', clg=None, spg=None))
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen(Via(nm="v1", layer="V1", h_clg=None, v_clg=None))
m1 = p['M1']
v1 = p['V1']
m2 = p['M2']
assert 'Width' in m1
assert 'Width' in m2
assert 'VencA_L' in v1
assert 'VencA_H' in v1
assert 'VencP_L' in v1
assert 'VencP_H' in v1
assert 'WidthX' in v1
assert 'WidthY' in v1
assert 'MinL' in m1
assert 'MinL' in m2
assert m1['MinL'] <= 200
assert m2['MinL'] <= 200
def cr(x, y):
assert x % 2 == 0
assert y % 2 == 0
return [-x // 2, -y // 2, x // 2, y // 2]
c.terminals = [{
'layer': 'M1',
'netName': 'x',
'rect': cr(m1['Width'], v1['WidthY'] + 2 * v1['VencA_L']),
"netType": "drawing"
}, {
'layer': 'M2',
'netName': 'x',
'rect': cr(v1['WidthX'] + 2 * v1['VencA_H'], m2['Width']),
"netType": "drawing"
}, {
'layer': 'V1',
'netName': 'x',
'rect': cr(v1['WidthX'], v1['WidthY']),
"netType": "drawing"
}]
return c
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
m2 = p['M2']
assert 'Width' in m2
assert m2['Width'] % 2 == 0
dy0 = m2['Width'] // 2
dy1 = dy0 + 4
return c, dy0, dy1
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
c.addGen(Wire(nm='m3', layer='M3', direction='v', clg=None, spg=None))
c.addGen(Via(nm="v2", layer="V2", h_clg=None, v_clg=None))
m2 = p['M2']
v2 = p['V2']
m3 = p['M3']
assert 'Width' in m2
assert 'Width' in m3
assert 'VencA_L' in v2
assert 'VencA_H' in v2
assert 'VencP_L' in v2
assert 'VencP_H' in v2
assert 'WidthX' in v2
assert 'WidthY' in v2
assert 'MinL' in m2
assert 'MinL' in m3
assert m2['MinL'] <= 210
assert m3['MinL'] <= 210
def cr(x, y):
assert x % 2 == 0
assert y % 2 == 0
return [-x // 2, -y // 2, x // 2, y // 2]
c.terminals = [{
'layer': 'M2',
'netName': 'x',
'rect': cr(v2['WidthX'] + 2 * v2['VencA_L'], m2['Width'])
}, {
'layer': 'M3',
'netName': 'x',
'rect': cr(m3['Width'], v2['WidthY'] + 2 * v2['VencA_H'])
}, {
'layer': 'V2',
'netName': 'x',
'rect': cr(v2['WidthX'], v2['WidthY'])
}]
return c
def setup():
p = Pdk().load(pdkfile)
c = DefaultCanvas(p)
return c
def setup():
p = Pdk().load(pdkfile)
c = Canvas(p)
c.addGen(Wire(nm='m2', layer='M2', direction='h', clg=None, spg=None))
return c, p
def test_one():
p = Pdk().load(pdkfile)
c = DefaultCanvas(p)
assert c.generate_routing_collateral(mydir / "routing_collateral_cand")
def setup():
p = Pdk()
p.pdk['M2'] = {
'Direction': 'H',
'Width': 60,
'Pitch': 100,
'MinL': 10,
'EndToEnd': 10
}
p.pdk['M3'] = {
'Direction': 'V',
'Width': 50,
'Pitch': 100,
'MinL': 10,
'EndToEnd': 10
}
#
# Adjacent via violation
# ***** *****
# ^ ^
# WidthX + SpaceX > Pitch(X)
#
# Both okay below
#
p.pdk['V2'] = {
'Stack': ['M2', 'M3'],
'WidthX': 50,
'WidthY': 60,
'SpaceX': 50,
'SpaceY': 40,
'VencA_L': 0,
'VencA_H': 0,
'VencP_L': 0,
'VencP_H': 0
}
c = Canvas(p)
m2 = c.addGen(
Wire(nm='m2',
layer='M2',
direction='h',
clg=UncoloredCenterLineGrid(width=p['M2']['Width'],
pitch=p['M2']['Pitch']),
spg=EnclosureGrid(pitch=p['M3']['Pitch'],
stoppoint=p['M3']['Pitch'] // 2)))
m3 = c.addGen(
Wire(nm='m3',
layer='M3',
direction='v',
clg=UncoloredCenterLineGrid(width=p['M3']['Width'],
pitch=p['M3']['Pitch']),
spg=EnclosureGrid(pitch=p['M2']['Pitch'],
stoppoint=p['M2']['Pitch'] // 2)))
v2 = c.addGen(Via(nm='v2', layer='V2', h_clg=m2.clg, v_clg=m3.clg))
n = 40
gridlines = list(range(n))
for i in gridlines:
c.addWire(m3, 'a', None, i, (0, 1), (n + 1, -1))
for j in gridlines:
c.addWireAndViaSet('a', None, m2, v2, j + 1, gridlines)
return c, n
def __init__(self):
pdk = Pdk().load(my_dir / 'layers.json') # backward compatibility
super().__init__(pdk)
self._define_pdk()
self._add_generators()