floating point multiplication in ADSP 218x

Started by Sonali Agarwal in Analog Devices DSPs13 years ago 2 replies

Hello, I have some confusion regarding the multiplication in ADSP 218x. For example, i want to multiply 1.5 * 1.5 which...

Hello, I have some confusion regarding the multiplication in ADSP 218x. For example, i want to multiply 1.5 * 1.5 which should give 2.25 in assembly language of ADSP 218x. to represent 1.5 , i use the 2.14 format which gives it to be 0x6000. Now when i keep M


218x Latchup?

Started by duhlynn in Analog Devices DSPs12 years ago 1 reply

Anyone experienced latchup issues with the 218x series (ADSP2185M in particular)? Thanks Tim Dahlin

Anyone experienced latchup issues with the 218x series (ADSP2185M in particular)? Thanks Tim Dahlin


ADSP-218x C programming examples

Started by in Analog Devices DSPs16 years ago 2 replies

Hi, For the first time, I am trying to write C-programs for the ADSP-218x, but it seems that the C-compiler wants to do all...

Hi, For the first time, I am trying to write C-programs for the ADSP-218x, but it seems that the C-compiler wants to do all math in integer mode. As result of any multiplication z = x*y it uses MR0 as result instead of MR1. How do I get around this? Can I declare a 32-bit vari


Streams with the ADSP-218x Debugger

Started by robmcevoy in Analog Devices DSPs14 years ago 1 reply

Hi, I'm trying to write a program for my ADSP 2189M Ez-Kit Lite board, which takes in data samples from a Codec on SPORT0 and...

Hi, I'm trying to write a program for my ADSP 2189M Ez-Kit Lite board, which takes in data samples from a Codec on SPORT0 and transmits the results over SPORT1 to a binary file. Is this possible? In the ADSP 218x examples that were given with the Visual DSP++ soft


handling flag_in status in C

Started by sloogy31 in Analog Devices DSPs15 years ago

Hi all!! The purpose of my posting is to know if someone had already programmed in C, functions that would handle the flag_in...

Hi all!! The purpose of my posting is to know if someone had already programmed in C, functions that would handle the flag_in status for ADSP 218x family. Actually flag_in pin is not mapped into any registers in 218x family DSP's. Indeed, I have been trying this, but unsuccessf


Disposing of my ADSP 218x environment...

Started by nick...@desmith.net in Analog Devices DSPs8 years ago

Hi, I'm disposing of a complete ADSP-218x development environment, including unregistered VisualDSP++ (R") and a full PCI SummitICE JTAG with...

Hi, I'm disposing of a complete ADSP-218x development environment, including unregistered VisualDSP++ (R") and a full PCI SummitICE JTAG with other stuff. Cost USD 1000s a few years ago - hopefully will go to a good home now... I used it for one project... http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=150466743035 Cheers Nick


internal pull-up on 218x flag inputs?

Started by climb2him in Analog Devices DSPs9 years ago 1 reply

Does anyone know if there are internal pull-up or pull-down resistors on the programmable flag pins (PF7..PF0) for the 218x series of...

Does anyone know if there are internal pull-up or pull-down resistors on the programmable flag pins (PF7..PF0) for the 218x series of processors? If so, are they configurable? How do I program them? What state are they (high or low)? I'm trying write a single software build to run on two different hardware architectures. Both use an ADSP-2188M. On one architecture, the software is suppos...


Analog Devices ADSP-218x .idm file format

Started by Anonymous in Analog Devices DSPs17 years ago

Hi, Thought the list might be interested in the format used in the .idm files generated under VisualDSP++ 2.0...

Hi, Thought the list might be interested in the format used in the .idm files generated under VisualDSP++ 2.0 (ADSP-218x) that are used for idma boot loading. Thanx go to Analog FAE Jeff Sondermeyer and Dana NLN from Technical Support. =======


ADSP 218x Architecture questions...

Started by Khubaib in Analog Devices DSPs15 years ago 6 replies

Dear members..i am a new member to this group..i have some questions.. i have some VLSI background, and i have recently started...

Dear members..i am a new member to this group..i have some questions.. i have some VLSI background, and i have recently started developing DSP programs for ADSP-218x processors. It is a single cycle architecture. How can it read/write a location on on-chip RAM in one cycle??. (from


Help for ADSP-218X IDMA port

Started by vikram1456 in Analog Devices DSPs13 years ago 1 reply

Hello all, Hello all, I'm developing a DSP based system. In that I want to write in internal memory of ADSP-218X processor...

Hello all, Hello all, I'm developing a DSP based system. In that I want to write in internal memory of ADSP-218X processor throgh external device using Long write cycle. I want to know that after writing 1 word in memory, for writing next data into the memory a transition on /I


undefined preprocessing identifier

Started by Anonymous in Analog Devices DSPs17 years ago 2 replies

Hi, I'm using VisualDSP++ 2.0 (ADSP-218x). When I compile I get the following warning: "C:\Program Files\Analog...

Hi, I'm using VisualDSP++ 2.0 (ADSP-218x). When I compile I get the following warning: "C:\Program Files\Analog Devices\VisualDSP\218x\include\signal.h", line 97: remark #193-D: zero used for undefined preprocessing identifier #if __c


Problem with Ez-Ice 218x Activity

Started by Muhammad Dawood in Analog Devices DSPs15 years ago

We are using ADDS-218x ICE for in-circuit emulation. the problem was that a few days ago when we were testing our code using 218x_Ez...

We are using ADDS-218x ICE for in-circuit emulation. the problem was that a few days ago when we were testing our code using 218x_Ez ICE interfaced with EVAL 73360 EB. When we re-connected the whole circuit after disconnection, Ez Ice stop running any sort of Activity. The foll


ADSP-218x Emulation Port

Started by Russell Couper in Analog Devices DSPs18 years ago

I was wondering if any one had any information on using the ADSP-218x emulation port for serial downloading of a program from a host...

I was wondering if any one had any information on using the ADSP-218x emulation port for serial downloading of a program from a host processor. Any information on the emulation port would be useful.


ADSP-218x to Audio codec interface...

Started by HARI KRISHNA Vuppaladhadiam in Analog Devices DSPs17 years ago

Hello everyone, I got some DSP boards which use ADSP-218x DSP processor and audio codec AD-1881/AD1819A. I want to use this audio...

Hello everyone, I got some DSP boards which use ADSP-218x DSP processor and audio codec AD-1881/AD1819A. I want to use this audio codec for sample based interrupts (without using Autobuffering mode). Can I do it? Are there any sample programs for this need? Regards


ADSP-2191 NAVIGATOR SOFTWARE

Started by Anonymous in Analog Devices DSPs14 years ago

Dear all, at present i am working in ADSP-2191 PROCESSOR.previously i did my work in adsp-218x processors.i have used the AD...

Dear all, at present i am working in ADSP-2191 PROCESSOR.previously i did my work in adsp-218x processors.i have used the AD learning tool called ADSP-218X navigator software which help me a lot in understanding the architecture of the various modules in that processor.i woulD


Input/Output to MP3 Decoder on ADSP-218x EZ-ICE/KIT

Started by bhagawan reddy in Analog Devices DSPs14 years ago

Hi,            I am working on Hardware Interfacing of MP3 Decoder code on ADSP-218x EZ-KIT/ICE. ...

Hi,            I am working on Hardware Interfacing of MP3 Decoder code on ADSP-218x EZ-KIT/ICE.    MP3 Decoder code was succesfully tested on ADSP -218x Simulator .File Input/Output was throug


IDMA of ADSP-218x

Started by Eric Chan in Analog Devices DSPs17 years ago

I am design the IDMA interface to ADSP-218x, the host need access the PM/DM of DSP chip via IDMA. It is easy to understand how to...

I am design the IDMA interface to ADSP-218x, the host need access the PM/DM of DSP chip via IDMA. It is easy to understand how to access the DM, because the DM is 16-bits wide, but when the host need access the PM, I meet a question, the PM is 24-bits wide when the IDMA bus IAD is 16


Defining port in ADSP-218x

Started by Atanu Guchhait in Analog Devices DSPs16 years ago

hi, I have a problem of defining .PORT(Release 6.1 Directive) in ADSP-218x. In VisualDSP++ 2.0 assembler, .PORT assembler...

hi, I have a problem of defining .PORT(Release 6.1 Directive) in ADSP-218x. In VisualDSP++ 2.0 assembler, .PORT assembler directive has been removed and commented like this: "Removed. You can declare an I/O port using the .VAR and .GLOBAL directive, then create the corresp


need USB to serial adapter with old Momentum ADSP-218x EZ-ICE

Started by Dan Ash in Analog Devices DSPs11 years ago

Can someone recommend a USB to serial adapter that they know works with the Momentum ADSP-218x EZ-ICE or other more complex serial interface...

Can someone recommend a USB to serial adapter that they know works with the Momentum ADSP-218x EZ-ICE or other more complex serial interface tools. thanks, Dan


PC register

Started by "Rajagopal, Sridhar (Sridhar)" in Analog Devices DSPs12 years ago 2 replies

Hi, Please let me know if PC register of ADSP-218x is memory mapped. if it so what is its address. Thanks in advance for the help Thanks...

Hi, Please let me know if PC register of ADSP-218x is memory mapped. if it so what is its address. Thanks in advance for the help Thanks and Regards, Sridhar