AWR1642: DSPlib

Chee Peng Tham

Part Number: AWR1642

I using AWR1642.

In 16xx - mmWave SDK Demo, I found the lab using dsplib_c64Px_3_4_0_0 for DSP_fft16x16 and DSP_fft32x32

But awr1642 is a C674x chip.

So, checking with you, can I also use dsplib_c66x_3_4_0_0 with AWR1642?

Thank you

Chee Peng

0 Cesar over 6 years ago

You need to use c64Px DSPLIB for fixed point on the C674x. You can't use code optimized for C66 for the C674x DSP

thank you
Cesar

0 Chee Peng Tham over 6 years ago in reply to Cesar

Hi Cesar,

I understood i need DSPLIB_C674x to match C674 DSP.

In ti demo TI Resource Explorer->mmWave Sensor->Industrial Toolbox->MMWave SDK Demo->16XX mmWave SDK Demo

Why TI can use DSPLIB_C64Px and it is working!?

Indeed, i found DSPLIB_C674x do not have DSP_fft16x16 and DSP_fft32x32 required by the lab. So Ti get it from DSPLIB_C64Px?

Very Interesting, did i misunderstood something?

Thank you

0 Cesar over 6 years ago in reply to Chee Peng Tham

Yes,

You misunderstood

The C674x DSP has two cores one fixed point and one floating point.

The C64PX DSPLIB is for the fixed point core

Thank you

Cesar

0 Chee Peng Tham over 6 years ago in reply to Cesar

Hi Cesar.

I got it.
Thanks for information

Chee Peng

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