Understanding i2s codecs format

Started by jcarlosmor in Analog Devices DSPs14 years ago 1 reply

I will be using an i2s codec with my 21065L, however I have some questions regarding the i2s protocol in the dsp. First,...

I will be using an i2s codec with my 21065L, however I have some questions regarding the i2s protocol in the dsp. First, the dsp does not have any way to differentiate between the left and right channels received and/or transmitted, since an interrupt is gener


AD1881A - Codec

Started by Anonymous in Analog Devices DSPs18 years ago 1 reply

Hi there I working with the 21160 proccesor, and would like to initialize the codec(AD1881A) in assemble language. I can only find...

Hi there I working with the 21160 proccesor, and would like to initialize the codec(AD1881A) in assemble language. I can only find such program written in C. Does any of you have source code in assembler, or even better a core that set up the whole board like the traditional 21065L


Problem with ADSP 21065L

Started by gaecap1 in Analog Devices DSPs16 years ago

Hi all! I'm a beginner with the Analog DSP's. I have a problem with the EZ- LAB kit. I would observe some signal through the...

Hi all! I'm a beginner with the Analog DSP's. I have a problem with the EZ- LAB kit. I would observe some signal through the expansion port on the platform, i.e. if I put in the universal register r0 the number 0xfffffff how I can and what have I to do to watch this signal on the


SHARC: Linker, libraries, etc. Advise needed

Started by in Analog Devices DSPs14 years ago 10 replies

Hello guys, Working on ADSP-21065L, VisualDSP++ 3.5 Nov'04 update. I my application I'd get good benefit form the sprintf...

Hello guys, Working on ADSP-21065L, VisualDSP++ 3.5 Nov'04 update. I my application I'd get good benefit form the sprintf function, which one links to with #include . However, I don't need the full of the library. But (as expected) t


PC <--> ADSP 21065L EZ KIT via RS232

Started by frederic_lhuillery in Analog Devices DSPs17 years ago

Hi, I need some help (code example) to allow communication between my PC and my EZ-KIT Lite. I want to send datas from the kit to...

Hi, I need some help (code example) to allow communication between my PC and my EZ-KIT Lite. I want to send datas from the kit to the PC and vice-versa, in order to initialise some variables. I've already checked out this sites :


Another SDRAM problem

Started by greg pallone in Analog Devices DSPs19 years ago 1 reply

Hi everybody, Thank you for answering my question with pmda, but I didn't find the solution, so I have worked directly on a...

Hi everybody, Thank you for answering my question with pmda, but I didn't find the solution, so I have worked directly on a "self-made" board with 2 DSP 21065L. The problem was solved, but now, another appeared: With a simple program, the PROM is OK, but


IOP Registers

Started by Greg Pallone in Analog Devices DSPs18 years ago 1 reply

Hello, We work with 2 21065L and we want to exchange data between the two thanks to the IOP Registers of the processors ID 1 and 2...

Hello, We work with 2 21065L and we want to exchange data between the two thanks to the IOP Registers of the processors ID 1 and 2 but it doesn't work. So: -Have we to declare them in the .ldf file and if so, how? -Why can't we see these registers (0x100 to 0x300) with Vi


new eprom

Started by kennedy10192002 in Analog Devices DSPs17 years ago 1 reply

i'm having trouble finding a replacement eprom for my 21065L ezkit... it's a 3v otp/eprom....can i go up to a 5v otp/eprom....anna ...

i'm having trouble finding a replacement eprom for my 21065L ezkit... it's a 3v otp/eprom....can i go up to a 5v otp/eprom....anna


DMA on 21065L SPORTS

Started by Anonymous in Analog Devices DSPs18 years ago

Help! In desperation I ask if anyone knows of some special order that the 65L SPORT's have to be initialized to make DMA work. ...

Help! In desperation I ask if anyone knows of some special order that the 65L SPORT's have to be initialized to make DMA work. I am trying to get a DMA driven audio loop running written in C that is something akin to the *.asm example in the SHARC user manual page


Pulse Width Modulation

Started by sheetal asuri in Analog Devices DSPs16 years ago

Hello everyone I am using the ADSP-21065L ,and the EZkit -Lite. I wanted to know if anyone had tried the pulse width ...

Hello everyone I am using the ADSP-21065L ,and the EZkit -Lite. I wanted to know if anyone had tried the pulse width modulation on this processor and I am wondering if their are only two PWM outputs on this board?? do help me .. bye -Sheetal


slower peripherals

Started by lomaguindo in Analog Devices DSPs16 years ago 10 replies

hi! i am trying to use interface a 21065L to some external device that is slower than the DSP chip. i was wondering what i could...

hi! i am trying to use interface a 21065L to some external device that is slower than the DSP chip. i was wondering what i could to to keep the signals on the address and data bus active for a longer amount of time. could i just put nop's after the data write instruction or do


Re: AW: ADSP 210XX

Started by Al Clark in Analog Devices DSPs16 years ago

At 08:28 AM 12/12/2003, jmi@ded wrote: >YEPP! > >We use 21065L and 21161 too and think of >switching to 21262 because of the...

At 08:28 AM 12/12/2003, jmi@ded wrote: >YEPP! > >We use 21065L and 21161 too and think of >switching to 21262 because of the BGA issues. > >We use SDRAM with the 065 and SRAM with the 161 >so the "no SRAM" at 262 would not harm our des


AW: 21065L overlay memory

Started by Christoph Ripcke in Analog Devices DSPs18 years ago

Hi Keld, I tried to work with overlays on the 4.0 and 4.1 version of VDSP and had some trouble, too. Have in mind in which...

Hi Keld, I tried to work with overlays on the 4.0 and 4.1 version of VDSP and had some trouble, too. Have in mind in which way/order overlayed functions are called. Think of an overlay func which calls a nother overlay func which is to be loaded into the same runt


JTAG

Started by arbos in Analog Devices DSPs18 years ago

Hello, Do someone know something about the private instructions and protocol for the printf() and scanf() of JTAG port? ...

Hello, Do someone know something about the private instructions and protocol for the printf() and scanf() of JTAG port? Because I'm designing a system in which I use the JTAG TAP of the ADSP-21065L to do printf() and scanf() to an LCD display and a keyboard. So, I


Program help

Started by gaurav_nukala in Analog Devices DSPs16 years ago 5 replies

Hi all I am trying to write a program to generate bursts of sinewaves(each sine wave has three components).Can anyone suggest an...

Hi all I am trying to write a program to generate bursts of sinewaves(each sine wave has three components).Can anyone suggest an modification this program below #include #include #include<21065l.h> #include


EZ-LAB, 21065L, CODEC1819 and (random) delays

Started by albert cesari in Analog Devices DSPs17 years ago

Hi group! I'm asking you for help this time. I'm working with the EZ-LAB, programming ONLY in C, and I'm experiencing some...

Hi group! I'm asking you for help this time. I'm working with the EZ-LAB, programming ONLY in C, and I'm experiencing some troubles (I think) with the codec. I'm doing feedback with the DSP: I put a signal (stored in memory) from the DSP to the CODEC (Tx) a


ADSP-21065L-EZLITE / UART / IRQ0 Problems

Started by jaime_aranguren in Analog Devices DSPs16 years ago 1 reply

Hello, Hopefully, some of you could help me on this. I am trying to communicate my EZLAB (ADDS-21065-EZLITE) to my host PC, via...

Hello, Hopefully, some of you could help me on this. I am trying to communicate my EZLAB (ADDS-21065-EZLITE) to my host PC, via the serial port. All of this is being done with an emulator (I am "discarding" the Monitor, for using the UART). Finally, I fi


multiple application on single boot prom

Started by kennedy10192002 in Analog Devices DSPs17 years ago

i've made some progress since my previous entries. using the visual dsp++ environment, i burned 3 executables on 21065L ezkit...

i've made some progress since my previous entries. using the visual dsp++ environment, i burned 3 executables on 21065L ezkit eprom. using the loader utility, i put one executable in id#0, the second executable in id#1, and the third executable in id#2. in my original source fi


VDSP35<>21065L

Started by Jens Michaelsen in Analog Devices DSPs15 years ago

Hello members, trying hard to port a complete C-applikation from VDSP-2.0 to VDSP-3.5. Doing things like: - Boot up System ...

Hello members, trying hard to port a complete C-applikation from VDSP-2.0 to VDSP-3.5. Doing things like: - Boot up System - Init some Io-Ports - emulate SPI and TWI interface via software. - capture 48kHz two channel audio via IIS. All fine, as long a


first malloc works, second not working

Started by Matt Weber in Analog Devices DSPs14 years ago

Hello Everyone, Well I have an interesting problem with my project. I have ported an Mp3 decoder to the SHARC and got it working on the...

Hello Everyone, Well I have an interesting problem with my project. I have ported an Mp3 decoder to the SHARC and got it working on the 21065L, and 21060. The project is written in C and has one assembly function. In order to create enough storage space for my mp3 buffer I created a secondary heap which is in external memory. One both the 065L and the 060