This depends to some extent on the particular MSP430 you are using, but I don't believe that even the faster ones are capable of a 128 tap FIR filter at 10kHz....
51280
Mike Raines
one00100100
Nov 20, 2012 12:53 pm
Leon, Amen, Brother! Mike ________________________________ From: msp430@yahoogroups.com [mailto:msp430@yahoogroups.com] On Behalf Of Peter Johansson Sent:...
51279
Fávero Santos
favero.santos
Nov 20, 2012 11:10 am
Hello! Hope you guys can help me: I just get my fir filter working fine! I'm sampling sound with sample frequency of 10 KHz and using a 128 tap low pass fir...
51278
Leon Heller
leon_heller
Nov 20, 2012 10:56 am
... One reason is the discount on add-on boards. Leon -- Leon Heller G1HSM...
51277
Peter Johansson
rockets4kids
Nov 20, 2012 1:20 am
On Mon, Nov 19, 2012 at 2:43 PM, Leon <leon355@...> wrote: ...
Hint: Put a flag on memmove() at the beginning test to see if it is set, if not, set it, at the end clear it. If When you come in, it is set, you are doing it...
51274
david_mcminn
Nov 19, 2012 9:17 am
Hi Matthias, ... It does not give you a warning when you exceed the size of the stack you set in the project options, nor when you exceed the size of ram...
51273
Xiaohui Liu
sinotrinity
Nov 18, 2012 8:23 pm
Hello everyone, I'm working on a sensor project which uses TelosB<http://www.memsic.com/products/wireless-sensor-networks/wireless-modules.html> based on...
51272
Matthias Weingart
gmane@...
Nov 18, 2012 4:32 pm
... Thx. Is there some kind of warning in case the maximum stack usage is larger than the free RAM? What is "static overlay map"? Is there a separate RAM space...
51271
Hugo Brunert
hug.me_2
Nov 16, 2012 6:32 pm
When power is applied, a cap is charged, this takes time. When you lose power, you are using the cap's stored energy to write to flash. If the cap's charge up...
51270
Hugo Brunert
hug.me_2
Nov 16, 2012 5:35 pm
DeadBeef is better, its 2 - 16 bit words DecafBad is 20 – 12 bits, not an exact split. From: msp430@yahoogroups.com [mailto:msp430@yahoogroups.com] On Behalf...
51269
david_mcminn
Nov 16, 2012 12:48 pm
Hi Matthias, ... IAR can give you that information in the linker output. In the linker options for your project switch to the "List" tab and check the "Static...
51268
Onestone
onestone_apc
Nov 16, 2012 9:27 am
Assembler? Never any problems with stack space. Al...
51267
Dan Bloomquist
lakeweb
Nov 16, 2012 8:40 am
... I guess it is what our target is. Last I wrote an astronomical clock, fits inside a 2253 fine. But we lay down an 2453 for a few cents more and plenty of...
51266
Matthias Weingart
gmane@...
Nov 16, 2012 7:39 am
Yeah. However it is really a problem that the stack space is not protected in the MSP's (or almost any other controller). I also do not know a tool that ...
51265
Xiaohui Liu
sinotrinity
Nov 14, 2012 5:19 pm
Thank all for your help. It IS stack overflow. After I reduce my RAM usage by ~2 KB, it works like a charm. -Xiaohui Liu ... [Non-text portions of this...
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Paul Curtis
paul_l_curtis
Nov 14, 2012 2:00 pm
... Maintain two regions of flash for parameter values, the backup segment and the emergency power-down segment. Both segments will contain signed values, ...
51263
one00100100
Nov 14, 2012 1:39 pm
Good morning, We have a device that monitors supply voltage vcc using the built-in supply voltage monitor and causes an interrupt if the voltage falls. The...
51262
Jon Kirwan
jondkirwan
Nov 14, 2012 9:49 am
... I suggested what amounts to that a few days ago, without meaningful response yet. It's possible it's still a work in progress. Jon...
51261
Henry
hvontres...
Nov 14, 2012 8:29 am
... Or you could use 0XDecafBad (as seen in some Stellaris Examples) :)...
51260
Matthias Weingart
gmane@...
Nov 14, 2012 8:17 am
Hi Xiaohui, a litte suggestion:. ... Probably stack overflow. Fill your RAM with a simple pattern (e.g. 0xDeadBeef), put a breakpoint at reset (before the RAM...
51259
Jon Kirwan
jondkirwan
Nov 12, 2012 9:45 pm
... It is enabled -- the documentation is quite clear on that point, both in words and in state machine diagrams. But that can be quickly disabled in the crt0...
51258
Jon Kirwan
jondkirwan
Nov 12, 2012 9:43 pm
... Yes. Look at the stack activation frames. This will give you a lot of information. Not EVERYTHING you want. But ALMOST everything. You just need to use...
51257
Xiaohui Liu
sinotrinity
Nov 12, 2012 7:13 pm
CIL, please. ... I was thinking along the same line. One difficulty is that program counter (PC) is loaded with address contained at reset vector location...
51256
Xiaohui Liu
sinotrinity
Nov 12, 2012 4:06 pm
Please see in line. ... The default startup code disables the watchdog timer. I do NOT change it. I'm sure the program enters the user code because reset...
51255
Paul Curtis
paul_l_curtis
Nov 12, 2012 3:21 pm
... I think the WD is enabled by the hardware and the runtime system may, or may not, disable it. And, as has been said before, if the runtime has a lot of ...
51254
Joe Radomski
joeradomski
Nov 12, 2012 2:51 pm
just to be 100% clear.. Did You modify the startup code to not enable the wd timer? By default it is ENABLED by many of the compilers and you must make...
51253
Jon Kirwan
jondkirwan
Nov 12, 2012 5:34 am
... I mean, "If so, execute some NOPs." Sorry about that. Jon...
51252
Jon Kirwan
jondkirwan
Nov 12, 2012 5:31 am
... What will happen is a PUC; you can't avoid that. Who cares? Make sure that your reset vector points to code you control. Write an IF statement (assembly...
