Starting PID Controller without Web-App

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Wylde
Posts: 8
Joined: Mon Jun 23, 2014 1:24 pm

Starting PID Controller without Web-App

Post by Wylde » Wed Jul 30, 2014 11:43 am

Hello everybody,

connecting the RedPitaya output to an oscilloscope and starting any of the web applications (e.g. the oscilloscope-app), one can see some kind of noise on the mV scale. As I think this might be caused by the communication with the network/web-app and not by the desirable electronic processes themselves, I wanted to start the PID controller (= the most interesting application for my purposes) without using the corresponding web-app and see if the noise would still be there. However, while I can set the PID parameters using the monitor-utility and the memory-map from the User Manual, I did not manage to find an enabling parameter that would start the corresponding PID controller (e.g. PID11). As I tried to work my way through the source code without any significant progress, I figured I'd just ask here.

Any help would be greatly appreciated!

Best,
Robert

Crt Valentincic
Posts: 67
Joined: Wed May 28, 2014 12:15 pm

Re: Starting PID Controller without Web-App

Post by Crt Valentincic » Wed Aug 13, 2014 1:33 pm

You could try to start PID applications and after that read the FPGA PID module registers using monitor tool to make a snapshot of all the registers and apply them later. Notice that there is also generator signal summed with the PID output.

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