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Honored Contributor

8 years ago

Cordic sincos function: how to depict a fixed point number as std_logic_vector type

Hello, i want to use the Cordic sincos IPcore (https://www.altera.com/en_us/pdfs/literature/ug/ug_cordic.pdf). The input is a std_logic_vector in the range of [-pi, pi] for signed configuration...

Altera_Forum

Honored Contributor

8 years ago

Wouldn't it make more sense to use a simpler unit for angular phase?

There's also a cool discussion explaining how a cordic works, here (http://zipcpu.com/dsp/2017/08/30/cordic.html). Sample code is posted on github (https://github.com/zipcpu/cordic/blob/master/rtl/cordic.v), so you can see what it does an how it works.

Dan

Forum Discussion

Cordic sincos function: how to depict a fixed point number as std_logic_vector type

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