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NOTE: check for A and B cable swaps as described above using the remote link id's shown in hsdpva and kcuStatus.

Firmware upgrade from JTAG to PCIE

Install firmware newer than "hsd_6400m-0x05000100-20240424152429-weaver-b701acb.mcs".
Install datadev.ko:

• login to daq-tmo-hsd-01 or 02 In hsd-02 one needs to re-mount the filesystem as rw to make any modifications:
  > sudo mount -o remount,rw /
• > git clone git@github.com:slaclab/aes-stream-drivers (we are at tag 6.0.1 last time we installed)
• > cd aes-stream-drivers/data_dev/driver
• > make
• > sudo cp datadev.ko /usr/local/sbin/
• Create a /lib/systemd/system/kcu.service
• > sudo systemctl enable kcu.service
• > sudo systemctl start kcu.service

Modify hsd.cnf:

procmgr_config.append({host:peppex_node, id:'hsdioc_tmo_{:}'.format(peppex_hsd), port:'%d'%iport, flags:'s', env:hsd_epics_env, cmd:'hsd134PVs -P {:}_{:} -d /dev/datadev_{:}'.format(peppex_epics,peppex_hsd.upper(),peppex_hsd)})
iport += 1

So that it points to /dev/datadev/

Run :
> procmgr stopall hsd.cnf
and restart it all
> procmgr start hsd.cnf

These last 2 steps may be required to be repeated a couple of times.
Start the DAQ and send a configure. Also this step may be required to be repeated a couple of times.

Fiber Optic Powers

You can see optical powers on the kcu1500 with the pykcu command (and pvget), although see below for examples of problems so I have the impression this isn't reliable.  See the timing-system section for an example of how to run pykcu.  On the hsd's themselves it's not possible because the FPGA (on the hsd pcie carrier card) doesn't have access to the i2c bus (on the data card).  Matt says that In principle the hsd card can see the optical power from the timing system, but that may require firmware changes.

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