23 lines
696 B
Python
23 lines
696 B
Python
from typing import TYPE_CHECKING, List
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from .bases import NextStateConditional
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if TYPE_CHECKING:
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from systemrdl.node import FieldNode
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class Singlepulse(NextStateConditional):
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comment = "singlepulse clears back to 0"
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def is_match(self, field: 'FieldNode') -> bool:
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return field.get_property('singlepulse')
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def get_predicate(self, field: 'FieldNode') -> str:
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# TODO: make exporter promote this to an "else"?
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# Be mindful of sw/hw precedence. this would have to come last regardless
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return "1"
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def get_assignments(self, field: 'FieldNode') -> List[str]:
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return [
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"next_c = '0;",
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"load_next_c = '1;",
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]
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