def pin_position(self, it):
px = odb.new_int(0)
py = odb.new_int(0)
if it.getAvgXY(px, py):
# Got it
return odb.get_int(px), odb.get_int(py)
else:
# Failed, use the center coordinate of the instance as fall back
return it.getInst().getLocation()
def test_avgxy_R90(self):
x = odb.new_int(0)
y = odb.new_int(0)
mterm_a = self.and2.findMTerm('a')
mpin_a = odb.dbMPin_create(mterm_a)
geo_box_a_1 = odb.dbBox_create(mpin_a,
self.lib.getTech().getLayers()[0], 0, 0,
50, 50)
geo_box_a_2 = odb.dbBox_create(mpin_a,
self.lib.getTech().getLayers()[0], 0, 0,
100, 100)
self.inst.setOrient('R90')
self.assertTrue(self.iterm_a.getAvgXY(x, y))
self.assertEqual(odb.get_int(x), int(((0 + 50) + (0 + 100)) / 4) * -1)
self.assertEqual(odb.get_int(y), int(((0 + 50) + (0 + 100)) / 4))
def test_avgxy_R0(self):
x = odb.new_int(0)
y = odb.new_int(0)
self.assertFalse(self.iterm_a.getAvgXY(x, y)) #no mpin to work on
mterm_a = self.and2.findMTerm('a')
mpin_a = odb.dbMPin_create(mterm_a)
self.assertFalse(self.iterm_a.getAvgXY(x, y)) #no boxes to work on
geo_box_a_1 = odb.dbBox_create(mpin_a,
self.lib.getTech().getLayers()[0], 0, 0,
50, 50)
self.assertTrue(self.iterm_a.getAvgXY(x, y))
self.assertEqual(odb.get_int(x), int((0 + 50) / 2))
self.assertEqual(odb.get_int(y), int((0 + 50) / 2))
geo_box_a_2 = odb.dbBox_create(mpin_a,
self.lib.getTech().getLayers()[0], 5,
10, 100, 100)
self.assertTrue(self.iterm_a.getAvgXY(x, y))
self.assertEqual(odb.get_int(x), int(((0 + 50) + (5 + 100)) / 4))
self.assertEqual(odb.get_int(y), int(((0 + 50) + (10 + 100)) / 4))
def net_source(self, net):
# See if it's an input pad
for bt in net.getBTerms():
if bt.getIoType != 'INPUT':
continue
good, x, y = bt.getFirstPinLocation()
if good:
return (True, (x, y))
# Or maybe output of a cell
x = odb.new_int(0)
y = odb.new_int(0)
for it in net.getITerms():
if not it.isOutputSignal():
continue
if it.getAvgXY(x, y):
return (False, (odb.get_int(x), odb.get_int(y)))
# Nothing found
return None, None
block_top.getBTerms()) == len(pin_placement["#N"] + pin_placement["#E"] +
pin_placement["#S"] + pin_placement["#W"])
# generate slots
DIE_AREA = block_top.getDieArea()
BLOCK_LL_X = DIE_AREA.xMin()
BLOCK_LL_Y = DIE_AREA.yMin()
BLOCK_UR_X = DIE_AREA.xMax()
BLOCK_UR_Y = DIE_AREA.yMax()
print("Block boundaries:", BLOCK_LL_X, BLOCK_LL_Y, BLOCK_UR_X, BLOCK_UR_Y)
origin, count, step = odb.new_int(0), odb.new_int(0), odb.new_int(0)
block_top.findTrackGrid(H_LAYER).getGridPatternY(0, origin, count, step)
origin, count, step = odb.get_int(origin), odb.get_int(count), odb.get_int(
step)
h_tracks = getGrid(origin, count, step)
origin, count, step = odb.new_int(0), odb.new_int(0), odb.new_int(0)
block_top.findTrackGrid(V_LAYER).getGridPatternX(0, origin, count, step)
origin, count, step = odb.get_int(origin), odb.get_int(count), odb.get_int(
step)
v_tracks = getGrid(origin, count, step)
for rev in reverse_arr:
pin_placement[rev].reverse()
# create the pins