pyepics-asyncio
Simple async/await wrapper for PyEpics.
Overview
There are two main types:
PvMonitor- subscribed to PV updates,getreturns last received value.Pv- connected but not subscribed, eachgetrequests PV value over network.
Usage
Connect to PV
from pyepics_asyncio import Pv
pv = await Pv.connect("pvname")
Write value to PV
await pv.put(3.1415)
Read value from PV
print(await pv.get())
Monitor PV value updates
with pv.monitor() as mon:
async for value in mon:
print(value)
Testing
To run tests you need to have dummy IOC running (located in ioc dir):
- Set appropriate
EPICS_BASEpath inconfigure/RELEASE. - Build with
make. - Go to
iocBoot/iocTest/and run scriptst.cmdand don't stop it.
In separate shell run uv run pytest --verbose.
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