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Message from discussion how to measure time in TI C64xx DSP?
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Nils  
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 More options Aug 14 2009, 4:06 am
Newsgroups: comp.dsp
From: Nils <n.pipenbri...@cubic.org>
Date: Fri, 14 Aug 2009 10:06:23 +0200
Local: Fri, Aug 14 2009 4:06 am
Subject: Re: how to measure time in TI C64xx DSP?
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whz...@gmail.com wrote:
> Hi all,

> Which function in TI C64xx DSP can return the current system time/
> tick?  I am measure the processing time of an algorithm, so I need to
> get the time before and after the function.  I searched the TI
> documents, but didn't find any.#

If you want to time a C64x+ you can use the free running 64 bit time
stamp counter register. It increases each clock cycle.

To access it from a C program you can use something like this:

#include "c6x.h"
inline long long read_time(void)
{
  return _itoll (TSCH, TSCL);

}

Cheers,
  Nils

 
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