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Basic Filter Implementation

Started by Dan in Analog Devices DSPs17 years ago 3 replies

I'm a beginner when it comes to DSP but I need to learn how to implement basic filters on a DSP board. I'm using an ADSP-21369 EZ-Kit from...

I'm a beginner when it comes to DSP but I need to learn how to implement basic filters on a DSP board. I'm using an ADSP-21369 EZ-Kit from Analog Devices. I understand how to generate coefficients using Matlab but how to I use these coefficients to filter my input signal. Can someone explain using either code or just an explanation. Any help will be greatly appreciated.


SPORT autobuffering problem on EZ ICE ADSP-218x

Started by steh...@hotmail.com in Analog Devices DSPs17 years ago 1 reply

Hi, First of all I am sorry if you are receiving multiple copies of this mail. I am trying to program and communicate with CODEC AD73311AR on...

Hi, First of all I am sorry if you are receiving multiple copies of this mail. I am trying to program and communicate with CODEC AD73311AR on SPORT0. I have programmed the CODEC to work at 1.024MHz SClock and 32KHZ sampling frequency. I am using I2 and I3 for initializing SPORT0. I am attaching the code for CODEC and SPORTs initialization function. It is clear from the code that I have buffers...


Playback on speaker using ping-pong buffers

Started by Sanjam in Analog Devices DSPs17 years ago 1 reply

Hi all I am working on playing a AAC decoded file on the speaker side on a ADSP board. To begin with , I have simply take a PCM buffer and...

Hi all I am working on playing a AAC decoded file on the speaker side on a ADSP board. To begin with , I have simply take a PCM buffer and am trying to play it on the speaker. I am using ping -pong buffer implementation wherein I am first writing data to buffer. Then through DMA , I am transferring this data to DAC which is connected to speaker. While this buffer is being played on spe...


Regarding G.729A Speech coding

Started by arul rajan in Analog Devices DSPs17 years ago 2 replies

Hi everyone, I am from SSN college of engg doing ME . I need to use the g.729 codec for a PG project in Blackfin ADSP BF533 Could u send...

Hi everyone, I am from SSN college of engg doing ME . I need to use the g.729 codec for a PG project in Blackfin ADSP BF533 Could u send me the g.729 encoding / decoding algorithm ( C Coding ) or is there any web page with a detailed description of the encoding / decoding process please help me thanks in advance, yours truly, arulrajan --------------------------------- He...


ADSP TS-201 (using the multiprocessor capability)

Started by dsp newbie in Analog Devices DSPs17 years ago 2 replies

Hi, I am running a program on this processor. My program calculates sine and cosine values. It has a for loop as below: for(n = 0L ; n

Hi, I am running a program on this processor. My program calculates sine and cosine values. It has a for loop as below: for(n = 0L ; n


reg. measuring cycle counts ADSP TS201

Started by dsp newbie in Analog Devices DSPs17 years ago 5 replies

Hi, I am trying to calculate the number of cycle counts in my program for a particular section of the code. But I am not getting the total...

Hi, I am trying to calculate the number of cycle counts in my program for a particular section of the code. But I am not getting the total cycle count for some reason. I followed the instructions in the document VDSP++ 4.5 C/C++ compiler and library manual under section "measuring cycle counts". I am trying to use "Basic cycle counting facility". The part of the code I have written is as f...


How to perform Profiling in release mode ??????

Started by Sanjam in Analog Devices DSPs17 years ago

Hi all, I am working on ADSP-BF537 KIT. I am facing problem regarding profiling of my application. When I perform profiling on board...

Hi all, I am working on ADSP-BF537 KIT. I am facing problem regarding profiling of my application. When I perform profiling on board (statistical profiling ) in debug mode , I am getting profiling report. But if I run my application in release mode , I get a blank report that probably suggests that no profiling could be done. I understand the limitation of statistical profiling , but my...


adsp 21364

Started by cee4max in Analog Devices DSPs17 years ago 3 replies

hi We are using ADSP 21364 for our audio processing application.We are planning to use MAX3420E (USB Peripheral Controller with...

hi We are using ADSP 21364 for our audio processing application.We are planning to use MAX3420E (USB Peripheral Controller with SPI Interface ) to interface with PC through serial peripheral interface of the ADSP 21364. Is it possible to use SPI interface for half duplex communication with MAX3420E regards saju


New comer Question in ADSP-BF533 Programming..

Started by malli_1729 in Analog Devices DSPs17 years ago 1 reply

HI! My english is not that much good.... Iam new to DSP processors....IAm using BF533ez-kit lite.. Iam seeing the example codes in the...

HI! My english is not that much good.... Iam new to DSP processors....IAm using BF533ez-kit lite.. Iam seeing the example codes in the BF533....in that they are using this statement why i don't know..... sysreg_write(reg_SYSCFG, 0x32); //Initialize System Configuration register Actually in documentation they have given it as 30 instead of 32.... please help... and iam seeing ...


SDRAM to ADSP-21065L

Started by "Allia Donna D. Go" in Analog Devices DSPs17 years ago 1 reply

hi! i am interfacing an SDRAM with ADSP-21065L EZ kit Lite board for memory expansion using EMAFE. the problem is, there are pins in...

hi! i am interfacing an SDRAM with ADSP-21065L EZ kit Lite board for memory expansion using EMAFE. the problem is, there are pins in SDRAM that are not specified in the dsp board. the following are the pins that i don't know where to connect :) : write enable chip select clock enable row address strobe column address strobe data input/output mask the SDRAM i'm using operates at 13...


New comer Question in ADSP-BF533

Started by malli_1729 in Analog Devices DSPs17 years ago 6 replies

Hi! Iam new to the DSP processors..... I have a small doubt... Actually in the datasheets they are giving that BF533 can work upto...

Hi! Iam new to the DSP processors..... I have a small doubt... Actually in the datasheets they are giving that BF533 can work upto 600MHz(maximum performance)...and SCLK 133Mhz.... When iam working with the BF533ez-kit lite, how would i know that it is running at Coreclk and SCLK... PLease help........????????


Error li1021 library functions missing

Started by steh...@hotmail.com in Analog Devices DSPs17 years ago

Hi, I am trying to compile a C code in adsp-2188 simulation environment on VDSP 3.5. The problem I am facing is that the linker cannot find...

Hi, I am trying to compile a C code in adsp-2188 simulation environment on VDSP 3.5. The problem I am facing is that the linker cannot find certain symbols. [Error li1021] The following symbols referenced in processor 'p0' could not be resolved: '__cmpli3 [___cmpli3]' referenced from '.\Debug\melp_ana.doj' '__lib_restore_frame [___lib_restore_frame]' referenced ...


Melp 1200 data memory mapping problem

Started by steh...@hotmail.com in Analog Devices DSPs17 years ago

Hi, I have downloaded a melp1200 c code from the internet and am trying to port it adsp-2188. There is an array declared in qnt12_cb, by the...

Hi, I have downloaded a melp1200 c code from the internet and am trying to port it adsp-2188. There is an array declared in qnt12_cb, by the name of res256x64x64x64 which has a size of 0x2300. The maximum segment which I can define is of 8k. I am using overlays. Is there a way to fit this array into the memory without decomposing it??? Other wise I will have to make segments of this array ...


adsp 21364

Started by cee4max in Analog Devices DSPs17 years ago

hi, We are using adsp 21364 for audio processing application,and it has a serial port which supports I^2S data transfer. I want to...

hi, We are using adsp 21364 for audio processing application,and it has a serial port which supports I^2S data transfer. I want to connect an EZ-USB to the serial port,which has a I^2C compataile output port. is it possible to interconnect the USB-EZ through the serial port of adsp21364 regards saju s


About ADSP-BF533_I2C_Support_ASM....file

Started by malli_1729 in Analog Devices DSPs17 years ago

Hi! I have downloaded the I2C protocol implementation by SCCB software...from anlaog devices for communicating with ADV7171...

Hi! I have downloaded the I2C protocol implementation by SCCB software...from anlaog devices for communicating with ADV7171 video encoder....... I have a small problem here... In that actually they have given pdf for the implementation.... I have read that file........., Actually in this code for every one register write we have to have to Config_ADV7171 and then SCCB_interface... S...


Anybody interfaced ADV7171 with BF533 EZ kit litew board

Started by malli_1729 in Analog Devices DSPs17 years ago

Hi! I have interfaced ADV7171 with ADSP bf533 ezkit lite board through expansion interface...... Iam using the same program used in the...

Hi! I have interfaced ADV7171 with ADSP bf533 ezkit lite board through expansion interface...... Iam using the same program used in the example programs "video output" for testing BF533 kit lite board.... but i have changed the RESET signal to the RESET pin in the ADV7171 board i have connected the FlashAportA 6 th pin and iam sending the reset signal from the BF533 using the expans...


Plx USB NET2272 interrupts

Started by Pooja Rajdev in Analog Devices DSPs17 years ago

Hey, I am using the ADSP 21369 along with the plx NET2272 USB connection to the host. The software written by analog devices uses various...

Hey, I am using the ADSP 21369 along with the plx NET2272 USB connection to the host. The software written by analog devices uses various interrupts and interrupt blocking in the critical regions. However I wanted to use this USB along with a ADC which also has interrupts to transfer data. These 2 programs are not compaitble and I am unable to understand the interrupt handling of t...


how to boot a EZ-kit Lite ?

Started by Alexis Favrot in Analog Devices DSPs17 years ago

Hello, I am working on the ADSP EZ-kit Lite 21369. I am wondering how to make the board working as a stand alone system ? I could...

Hello, I am working on the ADSP EZ-kit Lite 21369. I am wondering how to make the board working as a stand alone system ? I could generate a .ldr file from the loader utility. But how can a load this file on the board that it works stand alone ? Shall I use the Tools/Flash Programmer in VDSP++ ? Or an other method ? Have anyone a clue to help me ? thanks a lot, A. Favrot ...


Memory to memory transfer using 1D-MDMA

Started by ratio30 in Analog Devices DSPs17 years ago

Hi, I am new to ADSP-BF533. I'm working on a image processing project for video input on the Ez-Kit Lite board. Color video data are...

Hi, I am new to ADSP-BF533. I'm working on a image processing project for video input on the Ez-Kit Lite board. Color video data are captured and stored in the BF533 external SDRAM in the following order: Cb0 Y0 Cr0, Y1, Cb2 Y2 Cr2, Y3, Cb4 Y4 Cr4, Y5, Cb6 Y6 Cr6.... where each Y, Cr and Cb is 8 bits. My problem is this: I want to do this kind of transferring: Cb0 Y0 Cr0, Cb2 Y2 ...


booting adsp21364

Started by cee4max in Analog Devices DSPs17 years ago 2 replies

Hi We are using adsp 21364 for audio processing application.I want to know is there any advantage for SPI booting over parallel port...

Hi We are using adsp 21364 for audio processing application.I want to know is there any advantage for SPI booting over parallel port booting