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FFT for a PIC16F877

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alifred

Member
Hey,

I am trying to find some FFT code for a PIC16F877. If someone could either possibly find some links for me - or suggest some possible code that I could develop or modify.

Thanks in advance!

Fred
 

alifred

Member
Hey,

Would the dsPICs have the FFT formulas inbuilt?
If so - how would you use these inbuilt functions?
Also which dsPIC would you suggest I use? there seem to be a lot of them out there!

Thanks for your help

Fred
 

blueroomelectronics

Well-Known Member
There are many dsPICs and yes they have FFT instructions designed to do the math quickly. The dsPIC30F4013 is a 5V 40pin PDIP. You'll need to learn C to work with them. There should be plenty of FFT & dsPIC app notes on Microchips site.
 

alifred

Member
Thank you very much - i will look into that!
I presume i will have to build an in-circuit programmer for it as well?

Thanks again

Fred
 

blueroomelectronics

Well-Known Member
If you don't already have a programmer get a PICkit2 or my Junebug. They both can program & debug the dsPIC30F4013. Debug is a powerful tool.
 

alifred

Member
Ah, sorry i thought you said it was surface mount!
I have a DIL pic programmer. i presume it is the same shape as the DIL version of the PIC16F877?

Cheers

Fred
 
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