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Discussion Groups | TMS320C54x
Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).
Search Results for "dsplib"
DSPlib
Emilia Ibba - Oct 23 2001
Hello,
I have a TMS320C5402 DSK and I?m using CCS 1.21.
I have to program my filter function in C and I'd like to compare my results
with those of dsplib funct... 
Designing an iir filter [3 Articles]
john doe - May 12 2006
Hy i am a student an i"m working at a project with a
dsk5416. I am trying to design an iir filter using
fdatool from matlab but i can't use those filter
coeffincints because the... SOS: C5402 DSK board requires some assistance
drmdodd - May 21 2003
Could someone me understand how the C5402 dsk board works, and give
me an indication how to use the dsplib files. I have tried searching
for the dsplib for the C540... Problem with dsplib IIR function and MATLAB fdatool
starbak - Nov 10 2003
Hi!
My friend and I decided to taste a little bit of DSP programming. We are
doing a project (simple vocoder) on TMS320C5402 DSK board using Code
Composer Stud... dsplib rifft: can't get it working
lolo_mk1 - Jun 20 2005
Hi,
I've read past posts on this topic but I can't make the dsplib
inverse fft work properly.
I put it in a 360Hz sine wave @ 8kHz sampling rate. I get the
desir... Re: Code Composer: symbol undefined "convol" (Dsplib.h was already
Guilherme Martinhon - Sep 20 2006
Hello Dexter and people of the group,
I´ve just seen your email about the convol function. I´m now with the same problem, my results don´t do any sense with the theory nor the M... Align data
Guilherme Martinhon - Jun 13 2006
TMS320C54x DSP DevelopersHello people!
Could somebody send me a step-by-step about how to align data to use some functions of DSPlib? If somebody works with the FFT/IFFT functio... FIR implementation
ruben_krull - Sep 28 2002
Hello,
I am trying to implement a digital equalizer on the C5416 DSK as part
of my university project. My approach to the problem is to use the
audio example i... size of FFT code from DSPLIB [5 Articles]
wei_wen_dai - Feb 2 2002
Hi all,
I am using the cfft and rfft functions from the TI's DSPLIB.
It is mentioned in TI's App Notes (SPRU518) that the code size of
both functions is about ... Dsplib problems
Fernando Santos Varela - Nov 13 2001
Hello!
I'm trying to use the convol() function of the dsplib from Texas and the
restult I get doesn't match the one the I get from my imprementation of
this funct... Problem with memory alignment for DSPLIB [2 Articles]
Markus Bühren - Jun 17 2003
Hi!
I want to use the fir function of the dsplib on a DSK5416 and have a
question about circular buffers and memory alignment. As far as I
know it is possible ... Will the new C54x DSPLIB (dec. 99) include 32bits Real FFTs?
- Oct 22 1999
Does anybody know the contents of the new DSPLIB for C54x?.
We have been able to get some routines from this library. This inlcudes
32bits FFT routines.
We hav... problems with fft routines in the dsplib of the dsk 5402
radato1 - Jun 3 2002
hi,
i am implementing a simple program on the dsk 5402, which involves a fourier
transform.
Reading the application notes i have found out that there are some ... About FFT ( using dsplib ) [2 Articles]
ykm67111 - Mar 13 2002
I am using TI TMSC5402 DSK and dsplib V2.1 now.
My problem is I can't get the correct FFT values.
But I can't find what is wrong?
I test a 16 point float point da... RFFT from dsplib not working... [4 Articles]
pet_dsp - Oct 5 2004
Hello everybody,
I am wondering if any experts here could help solve
my problems with using rfft (routine from TI's dsplib) on a 5402 DSP.
Here is my scenar... cycle of the report of profiler
max - Jun 13 2004
Dear sirs,
I use c54x simular to test the rate of program.
but I found the reports of the profiler in ccs2.0
are always not correct. ... DSPLIB
Emilia Ibba - Oct 25 2001
Hello,
I've already read the document spra480 and its recent version spra518,
But I did not found something helpful for my case.
Please find in attacheme... Re: problem about dsplib real fft [2 Articles]
Vasudev Nayak - Aug 15 2002
Hi James,
Try using unpacki before calling the cbrev as rifft
takes in real input.
VN
_________________
>
> Message: 2
> Date: Tue, 13 Aug 2002 12:37:56 -... Code Composer: symbol undefined "convol" (Dsplib.h was already imported) [2 Articles]
mydexterj - Aug 26 2006
I'm having a problem with using the convol function of the dsplib.h
because every time I build my project in CCS it would note that the
symbol convol is undefined. why is so? ... rfft problem
Sazali Senawi - Oct 23 2002
Hi all;
Im still stuck when using the rfft function eventhough
Ive followed every advice ive found in the mailing
list archive concerning the rfft. Ive compared t... math/trigonometric functions frm dsplib [2 Articles]
nayakam - Jan 13 2003
Hello Everybody,
I was hoping that some of you might have faced a similar problem as I
am facing currently and would help me by giving some possible
solutions.... Re: Interpretation of FFT results
Atanu Guchhait - Jul 19 2001
Hi,
the dsplib functions will come with ccs. Go to the directory
\ti\c5400\cgtools\dsplib\54x_src. There all functions those are listed in
dsplib application manu... problem with rfft
satish_tvs - Jul 20 2002
hello,
i was not able to use rfft and rifft functions provided in dsplib.
They are not giving correct results. cfft and cifft are working fine.
please let me k... atan2_16 problem
slang7slang7 - Nov 9 2002
Hello,
My name is Sung Ho, Kim in Korea of south.
I have a problem of DSPLIB atan2_16 using.
I need your help.
I = Q (both LT 0x4000) , result is not c... Problems with RFFT/CFFT - DSPlib
Guilherme Martinhon - Jan 31 2006
Hello!
I´m using the C5416 DSK and now I´m writing a code that do the FFT of a signal generated on the same code. I´ve used the cbrev functions, to r... cbrev [2 Articles]
Sivaram Yadavalli - Jun 6 2003
hi there,
i am rather new to code composer studio V2. i want to calculate the fft
of an array. i saw that there were some C-callable functions in dsplib and tried ... Re: White noise
Curl - Mar 17 2003
Hello
Just this question :
did anyone manage to generate white noise on C54x (with or without the
random generator given in dsplib) ?
I tried 3 differe... Re: [Fwd: Re: code working on simulator but not on device?]
Jeff Brower - May 16 2006
Megha-
> This is in continuation to my previous mail. I also tried with a breakpoint at my
> next statement after fltoq15. If I run that. It stops in between and gives the
> ... Converting q31 format to q15 [3 Articles]
gmar...@aluno.feis.unesp.br - Dec 14 2006
Hello!
Does someone knows how to convert a q31 value to a q15 value? I=B4m=20=20
doing a power of a vector, using the power function od DSPLib, but the=20=20
results is on q31... FIR filter using optimized C
droy_syd - Feb 20 2004
Hi,
As I am new to dsk 5402 and trying to understand how the fir filter
alogorithm is implemented. As far as dsplib.h file has only the
function defined for fi... convolution function (convol) in dsplib
nayakam - Jan 18 2003
DSK used : TMS320VC5416 DSK
software version: code composer studio 'c5416 ver 2.10.05
Hello everybody,
I would be grateful if somebody can suggest about the co... FFT [2 Articles]
SACHIN JAIN - Jan 17 2002
hi friends,
i am using dsk5402 and CCS 2.0 for a real time
application and i have to calculate fft.
problem 1:
i write code to configure codec and i used ... Using dlms routine of dsplib
Marlo Flores - Mar 18 2002
Hello all,
I am implementing the adaptive lms filter routine on
C5402 with CCS 2.1. I wrote my own code and
simulations with this indicate that my code works
fi... cfft with C5402
- Feb 12 2001
Hi,
I have some problems while using the CFFT and CIFFT functions in the
DSPLIB. It works well with the C5402 DSK board but when I uses that
function on my actual... Warning:creating output section .coeffs without SECTIONS specification
megha daga - May 15 2006
Hi
I am designing a filter and using dsplib.h. I am getting the following warning:
creating output section .coeffs without SECTIONS specification
The code is getting loaded, ... How to call c function [3 Articles]
Atanu Guchhait - Jan 3 2001
Hi,
i have a problem in calling 54x DSPLIB functions from assembly
functions. I want to know that how to call C functions from Assembly
module without main() in t... Re: [Fwd: Re: code working on simulator but not on device?]
Jeff Brower - May 16 2006
Megha-
> I have not worked with matlab much and I am having some problem with creating
> coefficients. I got how to get coefficients for fir or for simple iir. But I am not
> ... Re: optimised fft and ifft code needed
Jeff Brower - Jul 7 2006
Murugesa Pandian-
> i am doing a realtime project in ofdm using c54x.the
> processor misses some input samples,because of the
> long processing time time codes for fft and ... Re: size of FFT function from DSPLIB
wei_wen_dai - Feb 5 2002
Hi all,
Thanks for all the replies to my question.
I just realized that the problem was caused by the setting to the
debug mode (full debug info, no opt) of th... latency between STLM and MVDK [2 Articles]
brcn2 - Feb 4 2002
Hi all,
The Cpu&Peripherals book says that there are some restricitons using
STLM when writing to an AR. One of these is that*
"the next instruction must write...