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Re: Maths in assembly language.   [2 Articles]

Hey, Can anyone still explain how to divide two integers (not necessarily by a power of 2)? Mishal > > > > Hi Rob, > > check DSP56800 Family's manual chap...

R: watch dog on 56f807

The given informations are not sufficient to find the problem. Anyway, in general, I can suggest you to be careful with variables shared from interrupts and the other code. When...

FM demodulation on DSP 56807

Hi, I am really new to DSP's. What I would like to is how to demodulate an FM signal on a DSP56807 EVM. Now I know that there is a couple of ways of going about it , one bei...

uCOS for dsp56807   [3 Articles]

Hello, I am trying to make the uCOS-II (v. 2.76) work on the dsp56807 with use of CodeWarrior 7.0. PE does not provide any example of using uCOS with this CPU so I have: ...

Generated program code is always too big

Hi all, I'm using the MC56F8014 with CW 7.0 Special Edition for 56800/56800E and I realized that even an extremely small Processor Expert Stationary project, like the one with t...

calculation errors ?   [2 Articles]

Hello everyone I am working with CodeWarrior 5.0.5 for DSP56800 and I experience strange calculation errors : 1. I can't use the float library. Most of the time it...

Can someone navigate me what should I do to start developing with DSP56F801?   [2 Articles]

Never before, I am new for DSP developing. I have just study some materials which are linked from Freescale website. Those included with how to use CodeWarrior and some in...

RE:help

Maybe you use DSP56F805? Then if you work with Metrowerks CodeWarrior there is file in project named linker.cmd (one file for each tagret). This file tells the linker how to m...

JTAG "Cannot connect to Board"   [3 Articles]

Hello all, Using CodeWarrior™ Development Studio for Motorola DSP56800 version 5.1 targeting the DSP56F805 chip and using Macraigor Wiggler for JTAG. I can download t...

Re: Re: how to use data_flash of dsp56f807 ?   [5 Articles]

Hi all On Friday 17 June 2005 01:52, Michael W. Mann wrote: > You can use data flash to store constants in flash instead of data > RAM. This can be done with a prope...

How good is Processor Expert for the DSP56800 Family.   [2 Articles]

How good is Processor Expert for the DSP56800 Family. I am starting a new project using the DSP56858 and would like to shorten my software effort. Is PE a useful tim...

RE: inline assembly

Hi Haoyeshen Look at the manual "Targeting MC56F83xx/DSP5685x Controllers", also called: "CodeWarrior(tm) Development Studio for Motorola® 56800/E Hybrid Controllers: ...

RAM   [2 Articles]

I am trying to write a simple program on DSP56801 which require a array of 512 words long. When I use the Processor Expert to generate the code, I found that th maxi...

RE: Re: 56F83xx CW Assembler optimization peculiari ty

On the Motorola 563xx assembler the notation to specify long and short moves use "<" and ">". i.e.   short (single byte op code): ...

Re: 56F83xx CW Assembler optimization peculiarity   [4 Articles]

On page A-194 of the DSP56800E 16-bit DSP Core Reference Manual (Rev 2.0), it says the size of a move.l #xxxxxx,RRR instruction is 3 words. I didn't see one for #xxxx,R...

Re: CW 6 for DSP56858

--- In , Kenneth Ciszewski wrote: > I have been working with Metrowerks Codewarrior for MC9S12NE64 recently, and discovered a ".map" file (m...

About 56f803 's internal flash

Hi, Did any one use the internal flash to store starup program of dsp56803? I tried, but it did not work. Thanks. ===== ____________...

[ANN] CW for Freescale 56800/E Hybrid v7.0   [2 Articles]

CodeWarrior Development Studio for Freescale 56800/E Hybrid Controllers v7.0   Metrowerks now supports Freescale's 56800/E Hybrid family of microcontr...

Codec driver   [2 Articles]

I am using Code Warrior 6.0 for DSP56800E evaluation board and have been looking at the Codec.mcp project.  This is being compiled using SDK libraries (subdirectory "no...

Re: Q notation equivalent

Hello Evan The Motorola Motor Control Library makes extensive use of fixed point fractional numbers which use a 16 bit integer variables to represent values...

DSP56807, CW6.1 stack problem

I am working on DSP56807, with SDK2.5 with uCOS-II RTOS. till now I was working with CW5.1 and everything was great. However I recently switched to CW6.1 and sin...

Finding DSP job of Mechanical background

I expect a career of DSP embedded product development because my master research is about embedded system to detect structural health monitoring with DSP56807. Howe...

AW: How to calculate MIPS on DSP56K

Nachricht Generally I agree with you but this is a discussion like "why do hard disk drive manufacturers define 10^9 byte as a Gb instead of 2^30 byte". Your...

RE: How to calculate MIPS on DSP56K   [3 Articles]

Nachricht Hi   Since MIPS are instructions per microsecond, I would divide the MHz by the average number of cycles per instructio...

Re: Re: dsp and tcp/ip

There is a small, license free tcp/ip stack at http://dunkels.com/adam/uip/ It is not specifically coded for DSP56800, but I think it can ...

Fwd: Delivery Status Notification (Failure)

Hello to the Moderator of this group Every time one posts a message, one of the members' email address bounces with this error message: -- do you suppose you ...

allocating variables in data rom   [3 Articles]

Hello I wonder if someone could give me a hint about the most efficient way to allocate variables in data flash on a DSP56800E using Codewarrior. The goal is t...

Processor Expert, your opinion, is it any good?   [8 Articles]

I am using DSP56807 for 3 years now, using either the SDK (Ver 2.5) or my own functions to access the peripherals, and also using uCOS-ii RTOS. I am considerin...

Re: Interrupt concept DSP56801EVm

It's been a while since I don't program the DSP, but I'll give it a try. First, check this >>> asm(bfset #0012,X:IPR); Is it decimal 12 or hex 12 ?? IPR = b xx...

gcc for dsp56800 0.2 released

Hi, after a short time there is next release of GCC for dsp56800. Check news on http://sourceforge.net/projects/dsp56800/ where the patch can be downloaded...

GCC for dsp56800 - release 0.1

Hi, it took some time, but after all I have managed to finish initial port to GCC (3.3.2) for dsp56800. It is base on work done by Dan McCabe, who started with...

RE: RE: #pragma interrupt / modulus (%) affects int errupts?

Hi William, I think, there is a slip of your keyboard. It must be: In the DSP56800 family: JSR pushes PC & SR on the stack. RTS pops SR & PC from the stac...

RE: #pragma interrupt / modulus (%) affects interrupts?   [2 Articles]

It doesn't work generally, but in the DSP56800 family: JSR saves SP & SR on the stack. RTS pops SP & SR from the stack, restores SP but d...

Interrupt Priorities

Hi, Is it  possible to write  the following assembler code that I find in CodeWarrior6-Manual (to control the Interrupt prio...

Re: need u'r help

Hi, I don't know if I can help you with this. I guess that to calculate the energy of the signal, you need to do some sort of FFT to decompose the incoming sig...

Setting Interrupt Priorities in Software

Hi people, Is it possible to write the following assembler code that I find in CodeWarrior6-Manual (to control the Interrupt priority in software) with C...

Stationery problem when creating a project with codewarrior 5.0

I have just started working with the DSP56F805EVM development board with Codewarrior 5.0 and Embedded SDK 3.0. I've used some of the examples to download to the ...

CodeWarrior with complex numbers

Hi! I,m using CodeWarrior for Motorola DSP56800E Version 1.01 and I need to work with complex numbers. I've found that CodeWarrior C Compiler does not include com...

Machine cycles and memory   [2 Articles]

Hi all, I am using condwarrior for Motorola dsp56800E. I would like to know if there is a way to see the amount of program and data memory that my proyect is usi...

Re: Electrical specifications for ADC

I have never found the electrical specifications of 5680x family. However, from what I've read, I assume that it also works with the core voltage: 0V ~ 3.3V. There...