DSPRelated.com

LDF file.

Started by Steve Holle in Analog Devices DSPs20 years ago 5 replies

I've got a question I'm having trouble finding an answer for. I'm using an ADSP-21065L with two 256kx16 SRAM connected to MS0....

I've got a question I'm having trouble finding an answer for. I'm using an ADSP-21065L with two 256kx16 SRAM connected to MS0. The chips are connected in parallel with one hooked to D0-D15 and the other D16-D31. Both parts connect to A0-A17. What should the ldf file ent


SPORT Hang on 21065L

Started by ryanhalter in Analog Devices DSPs21 years ago

I am using the ADSP21065L chip and right now just implementing a simple sport transfer between a PC serial port and the DSP chip on...

I am using the ADSP21065L chip and right now just implementing a simple sport transfer between a PC serial port and the DSP chip on a custom board(with a RS-232 Transceiver). I am sending a 32 bit value to the DSP chip and echoing it back to the PC. What seems to happen after a while


Linking objects in libraries

Started by Keld Hammerum Andersen in Analog Devices DSPs23 years ago 5 replies

Hi everybody, I use several functions from the object library "libc.dlb" in my 21065L project. In my ldf I specify the...

Hi everybody, I use several functions from the object library "libc.dlb" in my 21065L project. In my ldf I specify the "seg_pmco" sections from this library to be placed in internal program memory. However, now I want to take a specific function/object from


i2s-i2c protocols/video grabber

Started by lomaguindo in Analog Devices DSPs21 years ago 1 reply

hello! i'm trying to make a daughter board for the adsp-21065l ez-kit lite. it is i2s compatible, but the other chip for the...

hello! i'm trying to make a daughter board for the adsp-21065l ez-kit lite. it is i2s compatible, but the other chip for the daughter board uses i2c. actually i'm just starting, so could anyone have tutorials or readings concerning this? also, is anyone familiar with the struct


Macro expansion order

Started by Kenneth Porter in Analog Devices DSPs21 years ago 4 replies

I'm not sure if this is a flaw in the compiler or if I'm violating the standard. Compile the following with version 6.2.3, "cc21k -c...

I'm not sure if this is a flaw in the compiler or if I'm violating the standard. Compile the following with version 6.2.3, "cc21k -c -21065L foo.c": #define MAC(a,b,c) { a,b,c } #define MULTPARM 1,2 struct X { int a, b, c; } x = MAC(MULTPARM, 3); The res


(No Subject)

Started by Steve Holle in Analog Devices DSPs20 years ago 5 replies

I'm using an ADSP-21065L in conjunction with an AD73322L CODEC.  I'm using chained DMA with an interrupt generated at the boundaries of...

I'm using an ADSP-21065L in conjunction with an AD73322L CODEC.  I'm using chained DMA with an interrupt generated at the boundaries of each DMA Tx and Rx block.  I do a minimal amount of processing in each interrupt, never disabling interrupts. When I compile for Debug, the code works fin


AW: 21065L Ez-kit kernel source?

Started by Bernhard Holzmayer in Analog Devices DSPs19 years ago 2 replies

Hi Jon, > I am writing code for audio I/O that uses the standard Codec ISR. But I need > to do some of my own processing in the ISR as...

Hi Jon, > I am writing code for audio I/O that uses the standard Codec ISR. But I need > to do some of my own processing in the ISR as well--basically continuing to > perform the functions of the kernel's Codec ISR, but adding my own code after > it. The stock ISR does an RTI when finished, and I was hoping to instead > jump > to or


Error 0x80040707

Started by Anders Haggren in Analog Devices DSPs21 years ago

Hello, I have a problem with installation of VisualDSP++ 2.0, full licence for ADSP 21065L on a PC with Windows NT4. I'm getting...

Hello, I have a problem with installation of VisualDSP++ 2.0, full licence for ADSP 21065L on a PC with Windows NT4. I'm getting this messages "Internal Failure" "Error number 0x80040707" "Description:" Anyone that have had the s


Re: SPORT Hang on 21065L

Started by canb...@yahoo.co.in in Analog Devices DSPs17 years ago

> > > > I am using the ADSP21065L chip and right now just implementing a > simple sport transfer between a PC serial port and...

> > > > I am using the ADSP21065L chip and right now just implementing a > simple sport transfer between a PC serial port and the DSP chip on a > custom board(with a RS-232 Transceiver). I am sending a 32 bit > value to the DSP chip and echoing it back to the PC. What seems to > happen after a while is that the DSP SPORT receive interrupt no > longer gets yanked. I have tried


adsp-21065L line input question

Started by Battur Haltar in Analog Devices DSPs22 years ago

hello there i am working with 62065L Sharc. I haven't programmed dsp before, so i'm having trouble generating random signal. ...

hello there i am working with 62065L Sharc. I haven't programmed dsp before, so i'm having trouble generating random signal. 1. Could you tell me how much Voltage I can apply into "line in" input from signal generator? thanks Sara


Re: Executing code from external SDRAM

Started by tens...@yahoo.com in Analog Devices DSPs17 years ago

How did you interface the SDRAM to the ADSP 21065L? I can't find any SDRAM socket that is available in the market. thank you. > > > ...

How did you interface the SDRAM to the ADSP 21065L? I can't find any SDRAM socket that is available in the market. thank you. > > > > Hi all, > > I have problems with external code execution from SDRAM. I have two > ADSP21065L sharing SDRAM on BANK0. I use VDSP++3.0. I loaded the > SDRAM initialization code in both processors. > > The example given in application note


Re: Ldf program in ADSP 21065L

Started by Kenneth Porter in Analog Devices DSPs22 years ago

On Tue, 2002-04-16 at 04:59, alokmodak wrote: > I think redifing the ldf file will solve the problem. You can put all your ...

On Tue, 2002-04-16 at 04:59, alokmodak wrote: > I think redifing the ldf file will solve the problem. You can put all your program or the data memory as required in the external memory and then compile. This is fine for determining code size, but it only works at runtime i


EMAFE interfacing of AD1819s

Started by Jaeson Paras in Analog Devices DSPs22 years ago

HI to all, I am currently working on a project that interfaces 4 AD1819s onto the two serial ports of the ADSP 21065L EZ Kit Lite....

HI to all, I am currently working on a project that interfaces 4 AD1819s onto the two serial ports of the ADSP 21065L EZ Kit Lite. Two codecs are arranged in daisy chain per serial ports, i.e. Each serial ports contains a master slave configuration. I am currently testing the c


parallel low-order transposed direct form II filters and ringing in ADSP 21065L

Started by normal_ozone in Analog Devices DSPs22 years ago

Hi, I'm still tracing the problems in my code and yes it seems there is no perceptible difference between using the sdram and...

Hi, I'm still tracing the problems in my code and yes it seems there is no perceptible difference between using the sdram and the internal dm_data. I'm using transposed direct form II filters with coeffs a3,a2,a1 and b5,b4,b3,b2,b1,b0. I use hundreds of these filt


Splitting Overlay Sections

Started by andor_bariska in Analog Devices DSPs19 years ago

Hi all, Using VDSP++ 3.5 to develop code for a 21065L application. I've defined some functions in an overlay which is...

Hi all, Using VDSP++ 3.5 to develop code for a 21065L application. I've defined some functions in an overlay which is stored in external 32bit memory (the so-called live memory). At runtime, the function code is loaded from the external into internal mem


SHARC ADSP-21065L Multichannel Mode

Started by Steve Holle in Analog Devices DSPs21 years ago

What I'm trying to do is use multichannel to separate out the left and right data from an AD73322L CODEC that produces a frame sync...

What I'm trying to do is use multichannel to separate out the left and right data from an AD73322L CODEC that produces a frame sync pulse on every sample. I would like to set the multichannel mode to put the first sample in one buffer and the second in another buffer but from the manual it


Can't load BP.dxe into EZKIT 21065L

Started by avollhar in Analog Devices DSPs20 years ago 1 reply

Hello all, I finally managed to load the EZKIT here after some software errors from my side.. Gunn.dxe and pluck.dxe from the...

Hello all, I finally managed to load the EZKIT here after some software errors from my side.. Gunn.dxe and pluck.dxe from the installation itself work fine, but when I try to load BP.dxe (bandpass demo) I get the following error message: ------------ snip &q


Blutooth module with SHARC

Started by shar...@gmail.com in Analog Devices DSPs16 years ago

Hai everyone, I am a Final year student in BEng(Hons) in digital communication and Electronic, I planned to design bluetooth module with SHARC...

Hai everyone, I am a Final year student in BEng(Hons) in digital communication and Electronic, I planned to design bluetooth module with SHARC DSP (i am trying with ADSP- 21065L ?) interface for full duplex (eg, advanced wireless audio application), please would you please let me know what SHARC DSP is most suitable for my development. I hope this shall boost the bluetoot in digitalize way. ...


using external memory

Started by vitcent in Analog Devices DSPs22 years ago 1 reply

Hi everybody!! I use 21065L, I tried to use the external memory mapped in external memory bank 3 to memorize stack area and...

Hi everybody!! I use 21065L, I tried to use the external memory mapped in external memory bank 3 to memorize stack area and seg_dmda. I have no problem in time compile, but my DSP doesn't work when i upload firmware. Can I use external memory for seg_dmda an


"hang condition" of 21065L

Started by JackieChen in Analog Devices DSPs24 years ago

Hi, I made a card with host interface ,which let me download the code to boot dsp ,and wrote programs to work with it. The...

Hi, I made a card with host interface ,which let me download the code to boot dsp ,and wrote programs to work with it. The procedure I experienced is: 1. acess the dsp -> reset -> write /read IOP registers. 2. assert HBR\ and CS\ 3. it responds REDY to low