avl._core.env module

class avl._core.env.Env(*args: Any, **kwargs: Any)

__init__(name: str, parent: Component) → None

Initializes the environment with the given name, parent.

Parameters:

• name (str) – The name of the environment.

• parent (object) – The parent object of the environment.

async sync_reset(clk: <MagicMock name='mock.HierarchyObject' id='139805345779392'>, rst: <MagicMock name='mock.HierarchyObject' id='139805345779392'>, cycles: int, active_high: bool = True) → None

Perform a synchronous reset.

Parameters:

• clk (object) – Clock signal

• rst (object) – Reset signal

• cycles (int) – Number of clock cycles to hold the reset

• active_high (bool) – Reset is active high if True, active low if False

async async_reset(rst: <MagicMock name='mock.HierarchyObject' id='139805345779392'>, duration: int, units: str = 'ns', active_high: bool = True) → None

Perform an asynchronous reset.

Parameters:

• rst (object) – Reset signal

• duration (int) – Duration of the reset

• units (str) – Time units for the duration, defaults to ‘ns’

• active_high (bool) – Reset is active high if True, active low if False

async clock(clk: <MagicMock name='mock.HierarchyObject' id='139805345779392'>, freq_mHz: int) → None

Generate a clock signal.

Parameters:

• clk (object) – Clock signal

• freq_mHz (int) – Frequency in megaHertz

async ticker(duration: int, msg: str, units: str = 'ns') → None

Log a message at regular intervals.

Parameters:

• duration (int) – Interval duration

• msg (str) – Message to log

• units (str) – Time units for the duration, defaults to ‘ns’

async timeout(duration: int, units: str = 'ns') → None

Raise a timeout exception after a specified duration.

Parameters:

• duration (int) – Timeout duration

• units (str) – Time units for the duration, defaults to ‘ns’