Launch EPICS Screens and Generate Tone Output
- Log in to server:
ssh -X <username>@centos7.slac.stanford.edu
ssh -X <username>@dev-rhel7.slac.stanford.edu
2. Set up environment:
$ bash
$ source /afs/slac/g/lcls/tools/script/ENVS64.bash
$ source /afs/slac/g/lcls/epics/setup/epicsenv-7.0.3.1-1.0.bash
3. Launch main display:
$ b15rfhome.cmd &
4. Navigate to LEMP test stand displays:
5. Turn on or off CW tone. By default, is configured for 141.5 MHz (though the actual output is currently about 135 MHz).
You can modify this using the DDSA Phstep High register on the tone control expert screen.
- Set Waveform Acquisition Mode to Single
- Write a value of '1' to the ACQ_CMD PV. For example
$ caput ACCL:L2B:0610:ACQ_CMD 1
Change RFS Firmware Version
- Change directory to location of bitfiles:
$ cd /afs/slac/g/lcls/tools/FEED/firmware/prc
2. View current version:
$ ls -l current-lemp
lrwxr-xr-x 1 sonya ad 24 Nov 29 14:13 current-lemp -> prc_qf2_v07.ee0ae8cf.bit
3. Rename current version:
$ mv current-lemp current-lemp-yymmdd
Example: $ mv current-lemp current-lemp-231213
4. Copy new version to this directory and make new symbolic link pointing to it:
$ cp <path_to_new_file>/<new_file> .
$ ln s <new_file> current lemp
Example:
From your laptop:
scp prc_qf2_v07.ee0ae8cf.bit <username>@centos7.slac.stanford.edu:.
From afs machine:
$ cp ~/prc_qf2_v07.ee0ae8cf.bit .
$ ln -s prc_qf2_v07.ee0ae8cf.bit current lemp