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https://github.com/The-OpenROAD-Project/OpenDB.git
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45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
import opendbpy as odb
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import os
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current_dir = os.path.dirname(os.path.realpath(__file__))
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tests_dir = os.path.abspath(os.path.join(current_dir, os.pardir))
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opendb_dir = os.path.abspath(os.path.join(tests_dir, os.pardir))
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data_dir = os.path.join(tests_dir, "data")
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db = odb.dbDatabase.create()
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chip = odb.odb_read_design(db, [os.path.join(data_dir, "gscl45nm.lef")], [os.path.join(data_dir, "design.def")])
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if chip == None:
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exit("Read DEF failed")
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tech = db.getTech()
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lib = db.getLibs()
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vias = tech.getVias()
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via1 = vias[0]
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layer1 = via1.getBottomLayer()
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via2 = vias[1]
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via3 = vias[2]
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block = chip.getBlock()
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net = odb.dbNet_create(block, "w1")
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wire = odb.dbWire_create(net)
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wire_encoder = odb.dbWireEncoder()
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wire_encoder.begin(wire)
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wire_encoder.newPath(layer1, "ROUTED")
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wire_encoder.addPoint(2000,2000)
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jid1 = wire_encoder.addPoint(10000,2000)
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wire_encoder.addPoint(18000,2000)
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wire_encoder.newPath(jid1)
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wire_encoder.addTechVia(via1)
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jid2 = wire_encoder.addPoint(10000,10000)
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wire_encoder.addPoint(10000,18000)
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wire_encoder.newPath(jid2)
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jid3=wire_encoder.addTechVia(via2)
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wire_encoder.end()
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result = odb.odb_write_def(block, os.path.join(opendb_dir, "build/wire_encoder.def"))
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if(result!=1):
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exit("Write DEF failed")
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