Hi Thesis, first of all: be sure to actually copy and paste the code you're using; what you've pasted can't run, since python is case sensitive and start() and wait() are written in lower letters.
I don't understand what you mean with "close the scope"; can you elaborate? Greetings, Marcus On 02/05/2015 05:12 AM, Thesis 2015 wrote: > Hello everyone! > We have been able to modify the python file to allow the receiver to > jump from one frequency to another. We have modified it to be able to > receive signals from local FM stations and jump from one frequency to > another using the python file attached. > (Note:we modified it at the end part using: > tb1 = fm_example() > tb1.Start(True) > tb1.Wait() > freq = freq+200e3 > > We have also tried to increment it by 200kHZ for all frequencies using > just the same code.We tried it up to tb70 and there is a certain > point(after tb33, i believe) where it says the following error.(please > see attached image) > > We would like to ask the following questions: > 1.From what I understand, tb.Wait is used for waiting for the > flowgraph to finish. > WIth the code we used, we close the scope then it runs again with an > incremented frequency. > Do you have any suggestions as to what code we can use to > automatically close the > scope so it jumps to another frequency after a certain amount of > seconds(lets say 10 seconds)? > 2.What causes the error in the second similar code(pls see attached > image)? > Thank you very much and have a good day. > > > > > On Wed, Dec 31, 2014 at 1:17 AM, Tom Rondeau <t...@trondeau.com > <mailto:t...@trondeau.com>> wrote: > > On Sun, Dec 28, 2014 at 10:13 PM, Thesis 2015 > <thesis15...@gmail.com <mailto:thesis15...@gmail.com>> wrote: > > Good day. > Would it be fine if we placed a while or for loop statement > under the variables section so that it would increment by > 200kHz and would change to different frequencies within the FM > spectrum. > If you have any other ideas that could help us, it would be > greatly appreciated. > > -SKA15- > > > As Marcus said, feel free to play with these things to figure it > out. But one hint you'll probably need is that any changes to the > flowgraph need to happen after the top_block has already started. > So look for the tb.run() or tb.start(). If using tb.run() this is > a blocking call that you'll need to change: > > tb.start() > <your for-loop here> > tb.stop() > tb.wait() > > Something like that. > > Tom > >
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