2017-06-25 5:23 GMT-05:00 Bastian Bloessl <m...@bastibl.net>: > Hi Christian, > > > On 24. Jun 2017, at 22:50, Cristian Rodríguez < > cristian.rodriguez...@gmail.com> wrote: > > > > This parameter is no global, I mean, when I use the wifi_phy_hier.grc in > the transceiver.grc or tx.grc, etc, If I modify the parameter before launch > the simulation it is ok, the change has effect in the flowgraph, but if i > add a QT GUI Range, and I modify it after the beginning of the simulation > it doesn't have effect. Then I think the "set" of the parameter is no > global (thinking in OOP). > > Currently, the sensitivity is only through the constructor of the Sync > Short block. That means it’s set when the block is instantiated and cannot > be changed afterwards. > > If you want to change the parameter while the flow graph is running > (through a slider in the GUI, for example), you will have to extend the > Sync Short block with a callback. > You could have a look at the Frame Equalizer block, for example. It allows > changing the algorithm during run-time. > > To extend Sync Short you have to: > - add the callback function to the XML description of the block: (see > here https://github.com/bastibl/gr-ieee802-11/blob/next/grc/ > ieee802_11_frame_equalizer.xml#L9) > - implement the callback for the block (note that the callback is a public > function that has also to be added to the definition in /include/, and the > use of a mutex since ‘work’ and the callback are called in different thread > contexts). > > If you implement this, please make a pull-request :-) > > Thanks a lot for your answer Bastian.
I'll implement this and after i write again. > > > > Besides, this parameter is used in the WiFi Sync Short, and i want to > modify this block to set that parameter as an input, and create another > block in which i'm going to include a fuzzy system to set the parameter > depending on other parameters. > > For that use-case, I would extend the Sync Short block with an async > message input (the gray ports in GRC) and let your fuzzy system send PMTs > with the updated sensitivity values. > > First i'll do the change in the xml, and when it is working i will introduce the other block. Thanks for your time to read. Best regards, Cristian > Best, > Bastian > > > > > > But at the very first, I need to be able to modify the parameter > Threshold (sensitivity) globally. > > > > <image.png> > > > > Thanks a lot for your time Marcus. > > > > Best regards, > > > > Cristian. > > > > > > > > Best regards, > > > > Marcus > > > > > > On 06/24/2017 11:17 PM, Cristian Rodríguez wrote: > >> Hi all, > >> > >> I hope all is going well. > >> > >> I was trying to modify the code of some blocks, where is usually the > code of an specific block or flowgraph? > >> > >> Specifically, I want to modify the number of inputs in the > wifi_phy_hier.grc, and put the variable Sensitivity as global, I mean, that > i can modify it while the code is running, as rx_gain or tx_gain. > >> > >> But in general, where can i find the codes? Are there some predefined > folders? > >> > >> Thanks in advance. > >> > >> Best regards, > >> > >> Cristian > >
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