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EPICS on macos

Installation

This is a note for EPICS on MacOS MacBook Pro 13-inch, 2019 (Intel Core i5) with Python version 3.9.6.

Preparation

https://docs.epics-controls.org/en/latest/getting-started/installation-linux.html

After installation, sudo xcodebuild -license with password and agree in the license of Xcode.

brew install make
brew install gcc
brew install readline

Make

mkdir $HOME/EPICS
cd $HOME/EPICS
git clone --recursive https://github.com/epics-base/epics-base.git
cd epics-base
make

Environmental variables

vi $HOME/.zshrc

https://qiita.com/OritaK/items/28392bd6d24f1183dbd5

export EPICS_BASE=${HOME}/EPICS/epics-base
export EPICS_HOST_ARCH=$(${EPICS_BASE}/startup/EpicsHostArch)
export PATH=${EPICS_BASE}/bin/${EPICS_HOST_ARCH}:${PATH}

Paste it in .zshrc, and ":w" for save and ":q" for quit vi

https://www.gi.ce.t.kyoto-u.ac.jp/user/susaki/command/vi.html

Testing

Close the terminal and open it again

softIOC
> epics

Create "test.db" and save it in db folder.

record(ai, "temperature:water")
{
    field(DESC, "Water temperature in the fish tank")
}

Move the current directory to db folder, and type.

softIoc -d test.db

Open the new terminal window, and type

caget temperature:water
caput temperature:water 21
camonitor temperature:water

PyEpics

https://pypi.org/project/pyepics/

Installation

pip3 install pyepics

Testing

Open new terminal window and type python3

hidekinakajima@Hidekis-MacBook-Pro ~ % python3
Python 3.9.6 (default, Feb  3 2024, 15:58:28) 
[Clang 15.0.0 (clang-1500.3.9.4)] on darwin

For example,

from epics import caget, caput, cainfo
print(caget('temperature:water'))
caput('temperature:water',34)
caget('temperature:water')
cainfo('temperature:water')

import epics
pv=epics.PV('temperature:water')
pv.get()
pv.put(40)

Setup command file

Section 5 from the link https://mdavidsaver.github.io/epics-doc/epics-starting.html

Testing

Create a file sum.db or download https://github.com/mdavidsaver/epics-doc/raw/master/starting/sum.db

Create sum.cmd

dbLoadRecords("sum.db","INST=calc")
iocInit

Run the sum.cmd

softIoc sum.cmd

Open new terminal window and try calc

caput calc:a 2
caput calc:b 10
caget calc:sum

Python3

from epics import caget, caput, cainfo
caput('calc:a',2)
caput('calc:b',10)
caget('calc:sum')

Device support

Follow thr link below

https://mdavidsaver.github.io/epics-doc/epics-devsup.html

Testing

macos should change linux-x86 to darwin-x86.