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Re: cos function problem (fwd)

Started by Mike Rosing in Analog Devices DSPs15 years ago

Jon, I don't know if you meant to post this or not, but it's a good comment. If that line wasn't commented out, this is something to...

Jon, I don't know if you meant to post this or not, but it's a good comment. If that line wasn't commented out, this is something to check. ---------- Forwarded message ---------- Date: Thu, 23 Jul 2009 11:45:53 -0700 (PDT) From: jon duncan To: Mike Rosing Subject: Re: [adsp] cos function problem Mike , The manual states that the input is interp


cos function problem

Started by steh...@hotmail.com in Analog Devices DSPs15 years ago 1 reply

I am using the cos function provided in ADSP218x c library. I am using it in the following function void GenerateFilter(short Key, short * H,...

I am using the cos function provided in ADSP218x c library. I am using it in the following function void GenerateFilter(short Key, short * H, short * G) { short i; short coeff; float fN=(float)N; float angle=0; float cAngle; float fangle=(2*3.1415*(Key+0.5))/fN; for(i=0;i


multiple com ports

Started by ashr...@rediffmail.com in Analog Devices DSPs15 years ago 1 reply

hi all i wanted to know whether data txd on com port1 be received on com port2. because in serial comm program once u initialise com port as...

hi all i wanted to know whether data txd on com port1 be received on com port2. because in serial comm program once u initialise com port as 1 and send data, it cannot be reinitialised to com 2. Else just let me know how can i transfer data between multiple com ports.


connecting camera and LCD to TS201 EZ-KIT Lite

Started by olep...@mail.ru in Analog Devices DSPs15 years ago 1 reply

Hi! I want to connect the digital camera and LCD to LVDS Link Ports of the TS201 EZ-KIT Lite. Does sombody know how to do that? Unfortunately,...

Hi! I want to connect the digital camera and LCD to LVDS Link Ports of the TS201 EZ-KIT Lite. Does sombody know how to do that? Unfortunately, I haven't found the suitable information in Internet. Many Thanks


New ADI EngineerZone DSP Support Forum

Started by AndyRose22 in Analog Devices DSPs15 years ago 3 replies

I thought the group would be interested to know that Analog Devices has launched a new DSP support forum called EngineerZone at...

I thought the group would be interested to know that Analog Devices has launched a new DSP support forum called EngineerZone at http://ez.analog.com. This forum is monitored by ADI DSP technical support engineers and contains an extensive amount of information about our Embedded Processors & DSPs. Use it to search FAQs and technical Q&As to get quick answers to your design questions. You ca...


Zoom FFT problem with frequency Shift

Started by yank...@abv.bg in Analog Devices DSPs15 years ago

Hi all I' m new here and I need for advice and example for zoom FFT. I wrote C code for Zoom FFT for BF532 dsp processor, but doesn't work. I can...

Hi all I' m new here and I need for advice and example for zoom FFT. I wrote C code for Zoom FFT for BF532 dsp processor, but doesn't work. I can find my wrongs and I have ground knowledges in C language. I can't make a frequency shift, in my algorithm I multiply my signal x with sin(2*pi*f) for imaginary part and cos(2*pi*f)for real part. Then I make complex FFT and for input signal I give real ...


Data types

Started by savi...@yahoo.com in Analog Devices DSPs15 years ago 5 replies

Hi , to all I have a question - what is the mean of data types necessary to support the interface between DSP and external memory (SRAM for...

Hi , to all I have a question - what is the mean of data types necessary to support the interface between DSP and external memory (SRAM for example)? Does it mean the bits of words witch they support ot the bits of DSP and memory???


help

Started by "Engr.Naveed Ahmad" in Analog Devices DSPs15 years ago 1 reply

hellohopefully all of u will be fine......................i need help relatd about following IC...any one use AD7928 IC(ADC) Waiting for...

hellohopefully all of u will be fine......................i need help relatd about following IC...any one use AD7928 IC(ADC) Waiting for helpful replys ......................................... Thanx Regards Naveed Ahmad University of engineering & Technology Taxila Punjab (Pakistan) cell #:(+92)332-5271463 n...@gmail.com


MP3 Decoder

Started by Gugan Thoppe in Analog Devices DSPs15 years ago 2 replies

I am building a mp3 decoder. I have understood (correctly or incorrectly?) that there are 576 frequency lines whose amplitudes are encoded...

I am building a mp3 decoder. I have understood (correctly or incorrectly?) that there are 576 frequency lines whose amplitudes are encoded using the Huffman tables. These 576 lines have been broken down into 5 regions namely region0, region1, region2, count1 and rzero. The first 3 regions constitute the big values. I am unable to decipher the widths of the above 5 regions using the ISO docu...


Connecting ADSP21364 to audio codec

Started by savi...@yahoo.com in Analog Devices DSPs15 years ago 1 reply

Hello, I am new in this area of DSP`s I am using ADSP21364 to process audio samples from the audio codec ADAU1361, so i have to connect them....

Hello, I am new in this area of DSP`s I am using ADSP21364 to process audio samples from the audio codec ADAU1361, so i have to connect them. I conncted them vie SPORT and SPI. But the SPI port of the codec is used only for writting to the codec`s registers. And i have to send a word from ADSP wich contens - chip address, sub address and data of the codec register. My question is - how to s...


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