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real time FFT with ADC

Han Kyeol Song
Prodigy 40 points
Other Parts Discussed in Thread: CONTROLSUITE

Now I use real time FFT library on ControlSuite

My goal is realize of digital FIR filter at real time using by FFT

So I make sine wave using function No3 of Delfino board function

 

but I dont know how to observe result of real time FFT library

 

as i know on it, this project has ADC and FFT work but i cant watch result

 

So please let me know how I can observe result and do i have to adjust some program codes or something like that for my goal.

  • 0
    TI__Mastermind 20850 points

    You can plot graphs in CCS...they are unders tools->graph. Please see this wiki for more info:

     

    http://processors.wiki.ti.com/index.php/GSG:Debugging_projects#Advanced_Data_Visualization_Tools

  • 0 in reply to Vishal_Coelho
    Prodigy 40 points

    thanks for your explain

     

    but it means.. i dont know what address i needed to observe fft result... 

     

    on graph setting, i have to fill in start address but i dont know what it is

     

    so please let me know what start address i have to fill in.

  • 0 in reply to Han Kyeol Song
    TI__Mastermind 20850 points

    If you are using one of the DSP libraries in controlSUITE, you can see some of the examples for the FFT. we ususally set up two buffers ipcb and ipcbsrc. For FFTs where the number of stages are odd e.g N = 128 or 7 stages you will see the output in ipcb and for even number of stages N = 256 or 8 stages you will see the output in ipcbsrc.

    Was that what you were referring to?