Fan speed controller validation

Vijay Khemka vijaykhemka at fb.com
Fri Nov 22 05:44:12 AEDT 2019


Kumar,
If you are using entity manager, then you should have entry for fan speed controller table in entity manager json file. Then you need to run swampd. Once swampd is running then you can change temperature values via dbus interface and see if fan speeds are changing.

Regards
-Vijay

From: openbmc <openbmc-bounces+vijaykhemka=fb.com at lists.ozlabs.org> on behalf of Kumar Thangavel <thangavel.k at hcl.com>
Date: Sunday, November 17, 2019 at 7:44 PM
To: "openbmc at lists.ozlabs.org" <openbmc at lists.ozlabs.org>
Subject: Fan speed controller validation

Hi All,

Our product have Inlet temperature sensor and  two Fan with TACHO sensor feedback connected through Fan speed controller to BMC SoC.
We can able to read temperature sensor and control the Fan (PWM) through D-Bus interface.
All product specific configuration declared as JSON configuration file in Entity-Manager .
What is the procedure to  test  Fan Speed Controller(FSC)  based on STEP and PID based algorithm.

Please find the attached FanSensor dbus logs for your reference.

Thanks,
Kumar.








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