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Discussion Groups

Discussion Groups | Freescale DSPs

Technical discussions about Freescale (Motorola) DSPs (including the DSP56000, DSP56300, DSP56600, 56800 DSPs).

Search Results for "interrupts"

  

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Re: Interrupts on the 56303   [4 Articles]

Graeme Fisher - Dec 10 2002
Hi all Does anyone know how long in clock cycles it takes for an interrupt to be serviced form the time that the interrupt occurs? I have set up one of my h... Re: Interrupts on the 56303

56f807 + SDK + ucos

max_mont - Aug 12 2003
Hi, I'm developing an application on the 56f807 with SDK and ucos II. The application is running very well. But when it runs during a long time, all the interr... 56f807 + SDK + ucos

ADC Interrupts, SDK

Roger Flor - Oct 18 2002
Hello I am a DSP56F805 EVM user I am trying to run the ADC using SDK Section 5.4.2 of the SDK user's manual (Targeting the DSP56F8xx) says that "The AD... ADC Interrupts, SDK

MSCAN and CanReadCallBack interrupt problem   [3 Articles]

jamessconnors - Jul 26 2004
I am using the mscan drivers from SDK3.0 and the example program can.h which comes with that version of the SDK. In their CAN example they setup a function "CanRead... MSCAN and CanReadCallBack interrupt problem

Help with Interrupts witin SDK

mwmann_at_motorola - Sep 6 2002
** Help with Interrupts ** Exercise 3c has been created. It is available on the 56800 FAQs. In the future it will be included in the next version of the Training ... Help with Interrupts witin SDK

I can't enter 805's input capture interupt

xiong2046296 - Nov 17 2005
Hi,everyone: I use 05EVM and Metrowerks SDK2.4, also i use the embedded RTOS uc-osII2.51 to develop . Now i have four tasks and three interrupts. They are two quadTimer ... I can't enter 805's input capture interupt

Protecting Critical Section Code on a Pipeline Digital Signal Controller

ahchewt - May 17 2004
The following is an FAQ about to appear on the Frescale website: Ref # 24969 KBase DSP Level 1 Pending (1 of 2) Author Winters John (r54531) Abstract ... Protecting Critical Section Code on a Pipeline Digital Signal Controller

Programming Interrupts on the Serial Port

josalfe2002 - Jun 30 2002
Hi everyone. Let me explaing what I'm trying to do. I developing an application on Visual Basic that will send an "start" signal to my DSP board, the board will e... Programming Interrupts on the Serial Port

How to use Super Fast ISR for nested interrupts   [2 Articles]

Kohei Matsumaru - Feb 12 2003
Hi, I don't understand how to implement faster nestable interrupts routine using embedded SDK on DSP56F803. IRQA and IRQB are used for communication with host ... How to use Super Fast ISR for nested interrupts

56f80x interrupt/pipeline problem?

bergy50us - Oct 19 2004
I'm running a round robin multitasker on a 56F801. Interrupts are heavily used, but not for task switching. When I go to change the stack pointer (SP) I find tha... 56f80x interrupt/pipeline problem?

Disabling EOnCE   [2 Articles]

Hardeep - Mar 22 2006
Hi, I am using the DSP56858. Is there a way to turn off the EOnCE module once the board has been programmed? The reason I am asking this is to determine whether and/or how m... Disabling EOnCE

Interrupts on 56F801

zuffpasc - Jan 21 2004
Re-hello! It's my second basic message today, sorry, but I'm doing my diploma, so I'havent really the time to read all the documentation... Therefore, I try to ge... Interrupts on 56F801

New FAQ on Low Voltage Interrupt Support   [4 Articles]

Michael W. Mann - Feb 17 2003
** New FAQ on Low Voltage Interrupt Support ** Abstract Example code is provided for 56F801-7, 56F826-7 EVMs in support of Low Voltage interrupts. Problem Do ... New FAQ on Low Voltage Interrupt Support

DSP56F80x question about a pipeline dependency when disabling interrupts   [5 Articles]

Art Johnson - Mar 28 2003
Hello, I have a question about whether or not there is a pipeline dependency when disabling interrupts in the DSP56F80x devices (we use the DSP56F807). Specifi... DSP56F80x question about a pipeline dependency when disabling interrupts

Programming Data Flash on a F805

Bruno Tremblay - Jan 14 2004
Hi, I know that is a old subject on this group but I did't found the answers to my questions in the archive. I'm trying to programm data flash on a F805 to sav... Programming Data Flash on a F805

#pragma Interrupt   [3 Articles]

chandooramkumar - May 26 2005
Hi, I am trying to program an ISR in MSCAN recieve routine. I went thru the archives and found a message frm Art Johnson which was regding the usage of #pragma Interrup... #pragma Interrupt

simple project demonstrating how to set-up interrupts without the use of SDK   [3 Articles]

Daniel Malik - Oct 9 2002
Hi, Art has suggested that he has "tried (and given up) using "#pragma interrupt" ISRs directly". If you would like to take a look at a very simple project ... simple project demonstrating how to set-up interrupts without the use of SDK

stand alone   [7 Articles]

zuffpasc - Jan 28 2004
Hello! Thank you for your previous answers!! Now my code is working with interrupts... but only with debugger because I've made a "DSP 56800 EABI stationery proje... stand alone

RE: Thanks again, Art

Art Johnson - Oct 9 2002
Actually I just remembered a situation where we have seen this sort of thing (ie unhandled interrupt) in our systems. It happens if we leave the parallel JTAG cable... RE: Thanks again, Art

DSP56807 with SDK and ISR written in assembly

Christian Brauchli - Jun 26 2002
Hello I have a small question according to ISR. I'm using the SDK to set up most of my Interrupts. Now I had to program 1 Interupt in assembly with the Prio... DSP56807 with SDK and ISR written in assembly

Re: move from Jtag to Bootloader

Michael W. Mann - May 12 2005
--- In motoroladsp@moto..., "Thomas" wrote: > Hello everyone I'm new to the group but was wondering about the > diffrence in the way I'm loading my program... Re: move from Jtag to Bootloader

Running from flash without the debugger support (DSP56F827)   [5 Articles]

atid2 - Jan 14 2003
Hi all, I'm having a hard time running my software directly from the flash of the DSP56F827. I'm using the serial bootloader to download the s-record file into... Running from flash without the debugger support (DSP56F827)

Multiple Interrupts in GPIO and Flash Memory Data   [2 Articles]

amacedosilva - Oct 9 2003
Hi... Multiple Interrupts in GPIO -I can configurate most than one GPIO Pin to generate a Interruption, All those pins had the interrupt vector of 23! To kn... Multiple Interrupts in GPIO and Flash Memory Data

DSP56F807 - Mutual exclusion using IPL 0 masking

Aaron Needles - Oct 29 2002
Hi, I need a mutual exclusion mechanism that allows access to two global variables as an atomic unit. To prevent code within an ISR from accessing one of the vari... DSP56F807 - Mutual exclusion using IPL 0 masking

GPIO Interrupts

bobhopf - Jul 29 2003
I am processing 4 pulse inputs on port B of a 56827, each about 200nsec and somewhat random occurance. I had been losing interrupts (missing pulses) when he pulses ... GPIO Interrupts

Setting Interrupt Priorities in Software

Elefante Alessandro - Feb 26 2004
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... Setting Interrupt Priorities in Software

Re: (unknown)

Mariano Filippa - Jan 6 2004
> How can I set up interrupt for IRQA. Here goes for CodeWarrior. I'm not using SDK. Disregard if you strictly want to use SDK.   a... Re: (unknown)

RE: MORE: '826 - when interrupts are active - Softw are is loosing it....   [2 Articles]

Corey, Rick - Jul 15 2003
Hi Boaz What version of CodeWarrior are you using? I think it was version 5.0.2 or 5.0.3 that had problems with pragma interrupt, at least if you checked "defe... RE: MORE: '826 - when interrupts are active - Softw are is loosing it....

DSP563xx ESAI and DMA   [2 Articles]

Alexander Trica - Jun 23 2005
Hi @ all, I have a question concerning the ESAI data transfer using a DMA channel. I configured the DMA0 channel to transfer the ESAI data (ADC data, i2s mode) from... DSP563xx ESAI and DMA

MSCAN useful information

Art Johnson - Sep 11 2002
The following Application Notes and FAQs have some highly useful information for anyone writing code for the MSCAN (Motorola Scalable Controller Area Network) modul... MSCAN useful information

R: watch dog on 56f807

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. When... R: watch dog on 56f807

LVI in Processor Expert?

istvan_9 - Aug 7 2007
Hi all, I would like to use the LVI interrupts of the 56F83xx familly, but I do not find any beans in processor expert to build the code... Does anybody knows if it exists or ... LVI in Processor Expert?

DSP56F807 interrupts

rotronics2001 - Jun 25 2003
hello, can someone explain me how can i do to interrupt an interrupt subrootine? With "pragma interrupt" it doesn't work. Thank you. ... DSP56F807 interrupts

Interrupt undefined in flash memory.

schmighty80222 - May 22 2002
Hi there, My interrupts work in ExRam mode but are undefined in Flash mode. Any suggestions? schmighty ... Interrupt undefined in flash memory.

RE: Unhandled interrupt message?   [7 Articles]

Johnson, Jerry - Jan 16 2003
RE: [motoroladsp] Unhandled interrupt message? I have replaced the default "unhandled interrupts" that have appeared, with my own stub ISR routines for the "Re... RE: Unhandled interrupt message?

SCI Interrupt (DSP 56803)

Olamide... - Oct 29 2003
I can use normal poling to get data and output data. I want to use interrupts though, and its not working. I change the 56803_vector_pROM.asm file (i.e. put m... SCI Interrupt (DSP 56803)

807 SCI1/GPIOD problems

BJ Opp - May 7 2003
I'm trying to setup SCI1 as a communications port (using the DSP56f807 EVM), but am running into difficulty with it. I have already setup SCI0 and verified it to be... 807 SCI1/GPIOD problems

execution speed using debug   [2 Articles]

Joe McCarron - Nov 26 2002
Does using the debugger slow down execution speed of the program? I've programmed some interrupts to occur periodically (timer int errupts) and would like to know, ... execution speed using debug

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

Wim de Haan - Apr 14 2004
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: RE: #pragma interrupt / modulus (%) affects int errupts?

Interrupt Priorities

Elefante Alessandro - Mar 1 2004
Hi, Is it  possible to write  the following assembler code that I find in CodeWarrior6-Manual (to control the Interrupt prio... Interrupt Priorities
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