Note

Ophyd async is included on a provisional basis until the v1.0 release and may change API on minor release numbers before then

ophyd_async.epics.signal.PvaSignalBackend#

class ophyd_async.epics.signal.PvaSignalBackend(datatype: Type[T] | None, read_pv: str, write_pv: str)[source]#

Bases: SignalBackend[T]

Methods

`connect`
`datatype_allowed`
`get_datakey`
`get_reading`
`get_setpoint`
`get_value`
`put`
`set_callback`
`source`

Attributes

`ctxt`
`datatype`	Datatype of the signal value

classmethod datatype_allowed(datatype: Type | None) → bool[source]#

datatype: Type[T] | None = None#: Datatype of the signal value

source(name: str)[source]#

property ctxt: Context#

async connect(timeout: float = 10.0)[source]#

async put(value: T | None, wait=True, timeout=None)[source]#

async get_datakey(source: str) → DataKey[source]#

async get_reading() → Reading[source]#

async get_value() → T[source]#

async get_setpoint() → T[source]#

set_callback(callback: Callable[[Reading, T], None] | None) → None[source]#