Technical discussions about Freescale (Motorola) DSPs (including the DSP56000, DSP56300, DSP56600, 56800 DSPs).
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pate...@yahoo.com - Sep 21 2009
Can anyone still explain how to divide two integers (not necessarily by a power of 2)?
> Hi Rob,
> check DSP56800 Family's manual chap...
Roberto Bonacina - Jan 22 2008
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.
avinmon - Oct 10 2007
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...
wicherba - Sep 11 2007
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:
rodr...@yahoo.com.br - Aug 23 2007
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...
Christian - Dec 7 2005
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...
pitchayav - Oct 17 2005
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...
guse...@rambler.ru - Oct 12 2005
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...
yurubutugralb - Jun 30 2005
Using CodeWarrior™ Development Studio for Motorola DSP56800
targeting the DSP56F805 chip and using Macraigor Wiggler for JTAG.
I can download t...
chri...@gmx.net - Jun 17 2005
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...
ppilabs - May 20 2005
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...
Corey, Rick - May 11 2005
Look at the manual "Targeting MC56F83xx/DSP5685x Controllers", also called:
"CodeWarrior(tm) Development Studio for
Motorola® 56800/E Hybrid Controllers: ...
RAM [2 Articles]
haoyeshen - Apr 23 2005
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...
Ebersman, Howard - Mar 2 2005
On the Motorola 563xx assembler the notation to specify long and short moves use "<" and ">". i.e.
short (single byte op code): ...
- Feb 28 2005
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...
Gary Schnabl - Jan 9 2005
--- In , Kenneth Ciszewski
> I have been working with Metrowerks Codewarrior for MC9S12NE64
recently, and discovered a ".map" file (m...
fhc08 fhc08 - Nov 24 2004
Did any one use the internal flash to store starup
program of dsp56803?
I tried, but it did not work.
MW Ron - Nov 10 2004
CodeWarrior Development Studio for Freescale 56800/E Hybrid Controllers v7.0
Metrowerks now supports Freescale's 56800/E Hybrid family of microcontr...
Kenneth Ciszewski - Nov 7 2004
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...
Robert Imhoff - Nov 2 2004
The Motorola Motor Control Library makes extensive use of fixed point
fractional numbers which use a 16 bit integer variables to represent
t_karin1 - Oct 26 2004
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...
li_xinming - Sep 3 2004
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...
Bende Georg - Jul 21 2004
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...
Corey, Rick - Jul 21 2004
Since MIPS are instructions per microsecond, I would divide the MHz by the average number of cycles per instructio...
Miguel Angel Mayosky - Jul 1 2004
There is a small, license free tcp/ip stack at
It is not specifically coded for DSP56800, but I think it can ...
ra - May 26 2004
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 ...
Robert Imhoff - May 23 2004
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...
t_karin1 - May 17 2004
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
I am considerin...
Mariano Filippa - May 3 2004
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...
Jan Zizka - Apr 28 2004
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...
Jan Zizka - Apr 25 2004
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
Wim de Haan - Apr 14 2004
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...
Yochum, William - Apr 13 2004
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...
Elefante Alessandro - Mar 1 2004
Is it possible to write the following
assembler code that I find in
CodeWarrior6-Manual (to control the Interrupt
Mariano Filippa - Feb 27 2004
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
Elefante Alessandro - Feb 26 2004
Is it possible to write the following assembler code that I find in
CodeWarrior6-Manual (to control the Interrupt priority in software)
rowlandroderick - Feb 25 2004
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 ...
fykamp - Feb 18 2004
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...
Jean Adame - Feb 5 2004
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...
Mariano Filippa - Jan 26 2004
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...