Source code for pytac.epics

""" Module to implement an EpicsControlSystem object which is used to get real-time data from the machine. """

from pytac.cs import ControlSystem
from cothread.catools import caget, caput


[docs]class EpicsControlSystem(ControlSystem): """ The EPICS control system. It is used to communicate over channel access with the hardware in the ring. """ def __init__(self): pass
[docs] def get(self, pv): """ Get the value of a given pv. Args: pv(string): The process variable given as a string. It can be a readback or a setpoint pv. Returns: float: Represents the current value of the given pv. """ return caget(pv)
[docs] def put(self, pv, value): """ Set the value for a given. Args: pv(string): The pv to set the value of. It must be a setpoint pv. value(Number): The value to set the pv to. """ caput(pv, value)