mirror of https://github.com/VLSIDA/OpenRAM.git
57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
# See LICENSE for licensing information.
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#
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# Copyright (c) 2016-2019 Regents of the University of California and The Board
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# of Regents for the Oklahoma Agricultural and Mechanical College
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# (acting for and on behalf of Oklahoma State University)
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# All rights reserved.
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#
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class grid_cell:
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"""
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A single cell that can be occupied in a given layer, blocked,
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visited, etc.
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"""
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def __init__(self):
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self.path = False
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self.blocked = False
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self.source = False
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self.target = False
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# -1 means it isn't visited yet
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self.min_cost = -1
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def reset(self):
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"""
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Reset the dynamic info about routing. The pins/blockages are not reset so
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that they can be reused.
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"""
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self.min_cost=-1
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self.min_path=None
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self.blocked=False
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self.source=False
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self.target=False
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def get_cost(self):
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# We can display the cost of the frontier
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if self.min_cost > 0:
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return self.min_cost
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def get_type(self):
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type_string = ""
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if self.blocked:
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type_string += "X"
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if self.source:
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type_string += "S"
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if self.target:
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type_string += "T"
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if self.path:
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type_string += "P"
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if type_string != "":
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return type_string
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return None
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