Gentlemen: I've got me USB2.0 card and I can generate 900khz sine (or perhaps cosine) waves with the usrp using usrp_siggen.py, so far so good.
The next step is I'm trying to build a point and click gui to control the usrp as a modest signal generator. So, I have put together the attached python script, which does run. At this point, the program starts up and the sliders and buttons are active, although they dont do what I need them to do yet. When the window is closed by clicking on the X in the upper right corner, then sg.start starts the 900khz sine wave and the next Enter, stops the usrp, so I know that sg.start() and sg.stop() do connect all the way to the usrp. The problem I am having is that when I call sg.start() by clicking the "Start" button, python tells me that: 'module' object has no attibute 'sg' The issue seems to be that 'sg' is not known inside the appropriate routine. So, I think I am very close, but my naivety with python is getting in the way a little bit. I wonder if someone else would look at this and see where I am going awry. I'll be here spending the day working through this problem and reading the new python book just received from Amazon.com while the Southern California skies are a bit rainy. Charles Krinke
test10.py
Description: application/python
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