def create2LevelBlock(db, lib, parent):
blockName = '2LevelBlock'
block = odb.dbBlock_create(parent, blockName, ',')
and2 = lib.findMaster('and2')
or2 = lib.findMaster('or2')
#creating instances
i1 = odb.dbInst.create(block, and2, "i1")
i2 = odb.dbInst.create(block, and2, "i2")
i3 = odb.dbInst.create(block, or2, "i3")
#creating nets and block terms
n1 = odb.dbNet.create(block, "n1")
n2 = odb.dbNet.create(block, "n2")
n3 = odb.dbNet.create(block, "n3")
n4 = odb.dbNet.create(block, "n4")
n5 = odb.dbNet.create(block, "n5")
n6 = odb.dbNet.create(block, "n6")
n7 = odb.dbNet.create(block, "n7")
IN1 = odb.dbBTerm.create(n1, 'IN1')
IN1.setIoType('INPUT')
IN2 = odb.dbBTerm.create(n2, 'IN2')
IN2.setIoType('INPUT')
IN3 = odb.dbBTerm.create(n3, 'IN3')
IN3.setIoType('INPUT')
IN4 = odb.dbBTerm.create(n4, 'IN4')
IN4.setIoType('INPUT')
OUT = odb.dbBTerm.create(n7, 'OUT')
OUT.setIoType('OUTPUT')
#connecting nets
odb.dbITerm.connect(i1, n1, i1.getMaster().findMTerm('a'))
odb.dbITerm.connect(i1, n2, i1.getMaster().findMTerm('b'))
odb.dbITerm.connect(i1, n5, i1.getMaster().findMTerm('o'))
odb.dbITerm.connect(i2, n3, i2.getMaster().findMTerm('a'))
odb.dbITerm.connect(i2, n4, i2.getMaster().findMTerm('b'))
odb.dbITerm.connect(i2, n6, i2.getMaster().findMTerm('o'))
odb.dbITerm.connect(i3, n5, i3.getMaster().findMTerm('a'))
odb.dbITerm.connect(i3, n6, i3.getMaster().findMTerm('b'))
odb.dbITerm.connect(i3, n7, i3.getMaster().findMTerm('o'))
P1 = odb.dbBPin_create(IN1)
P2 = odb.dbBPin_create(IN2)
P3 = odb.dbBPin_create(IN3)
P4 = odb.dbBPin_create(IN4)
P5 = odb.dbBPin_create(OUT)
return block
def labelITerm(iterm, pin_name, iotype, all_shapes_flag=False):
net_name = pin_name
net = chip_block.findNet(net_name)
if net is None:
net = odb.dbNet_create(chip_block, net_name)
pin_bterm = chip_block.findBTerm(pin_name)
if pin_bterm is None:
pin_bterm = odb.dbBTerm_create(net, pin_name)
assert pin_bterm is not None, "Failed to create or find " + pin_name
pin_bterm.setIoType(iotype)
pin_bpin = odb.dbBPin_create(pin_bterm)
pin_bpin.setPlacementStatus("PLACED")
if not all_shapes_flag:
boxes = getBiggestBox(pad_iterm)
else:
boxes = getAllBoxes(pad_iterm)
for box in boxes:
layer, ll, ur = box
odb.dbBox_create(pin_bpin, layer, ll.getX(), ll.getY(), ur.getX(),
ur.getY())
odb.dbITerm_connect(pad_iterm, net)
pin_bterm.connect(net)
if net is None:
net = odb.dbNet_create(chip_block, net_name)
pin_bterm = chip_block.findBTerm(pin_name)
if pin_bterm is None:
pin_bterm = odb.dbBTerm_create(net, pin_name)
assert pin_bterm is not None, "Failed to create or find " + pin_name
pin_bterm.setIoType(iotype)
# x = odb.new_intp(); y = odb.new_intp()
# pad_iterm.getAvgXY(x, y); # crashes with clamps
# x = odb.intp_value(x); y = odb.intp_value(y)
pin_bpin = odb.dbBPin_create(pin_bterm)
pin_bpin.setPlacementStatus("PLACED")
odb.dbBox_create(pin_bpin,
pad_pin_layer,
ll.getX(),
ll.getY(),
ur.getX(),
ur.getY())
odb.dbITerm_connect(pad_iterm, net)
pin_bterm.connect(net)
labeled.append(inst_name)
assert labeled_count == pad_pins_to_label_count, ("Didn't label what I set out to label %d/%d" % (labeled_count, pad_pins_to_label_count),
set(pad_pin_map.keys())-set(labeled))