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RTOS 56F8323   [2 Articles]

Hi I´m using the 56F8323( Demo Board ) and codewarrior 6 but I can´t put an RTOS working because there is no help and no example for this demo board. I´m usi...

free RTOS for Motorola DSP56800   [2 Articles]

I would like to have any free RTOS for motorola DSP56800.  Can any body knows about any freely available RTOS for dsp56800? Thanks Sankar Sankar Murmu Mobi...

RTOS   [3 Articles]

Hi, Do you people use the uC/OS-II RTOS from Micrium? If so, what do you think about it e.g. is it worthwhile and what is the resource usage on the Motorola 56...

RTOS_DSP56000   [4 Articles]

Hello all, Yesterday I decide to implement a RTOS for my 56002EVM instead of 568323EVM that was because I can't find assembler/compiler/linker free. But ...

RTOS for DSP56XXX

Anyone know of a freeware/shareware/cheapware RTOS for the DSP56XXX series. I am looking for something like Jean Labrosse's uC/OS-II. thanx, greg sampson ...

embedded OS for 56858

Hi All, is there an tiny OS that could easily be ported to dsp56858 ? Ucos-11 is around $4k to embed into product. the product is a low budget one, so any pointe...

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...

50 free embedded and RTOS training links

Hi All This link has around 50 links to free resources for training on RTOSes, real-time programming, and embedded development. I found it in a post on comp.realtime on...

What kind of development environment should I have to support DSP56L307?   [2 Articles]

Hi, I am new to DSP world and know nothing about the embedded software development so far. I am targeting for DSP56L307 chip. I am wondering if anyone who has the develop...

I can't enter 805's input capture interupt

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 ...

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...

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: Re: MSL Libraries with CodeWarrior version 5.0.3

Thanks John, I'll try that later after I get this crashing problem solved. I've tracked it down into the initialization for the DSPOS RTOS we're using, something th...

RE: SDK more overhead?

Luis, You're welcome, I'm always glad to help. One thing we do use here (and which I very strongly recommend) is a RealTime Operating System (RTOS). This al...

RE: Using bitfields

This is a common problem that occurs with multiple processes in an RTOS and in code that uses ISRs.   If a background application wants t...

RE: Re: CodeWarrior version 5.0.3 problem   [4 Articles]

John, I have found the source of the problem, and it is very serious. In order to initialize the DSPOS RTOS, you call the function Initialize_Os(). This function...

#pragma Interrupt   [3 Articles]

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...

Motorola DSP56800 Embedded SDK Newsletter

Motorola DSPD Product News   Read this newsletter to find out about: ...

Re: uCOS for dsp56807

Thanks for response. The thing is, that I don't use any ISRs yet. The debug= ger doesn't even step into a SystemTask (PE_SystemTask()). Following happen= s when I debug: void ...

RE: 56F807 expected life cycle   [2 Articles]

We are designing the DSP56F807 into many of our new products. This family of devices are in the "ramp-up" stage at Motorola and so should be available for many year...

Re: RTOS_OSEK   [3 Articles]

Hi! I recommend to try the RTOS- uCos the Jean Labrousse. I have try and works fine. If you use the Processor Expert it helps to adapt the ucos to the DSP. I have try in...

RE: Thanks again, Art

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: writing data to internal flash in single-chip mode

We had this same problem in our applications, it is caused by interrupts occurring while you are writing to Data (X) Flash. You cannot access any memory in a Flash ...

Rif: RE: Program xFlash & interrupt problem

Very interest discussion. Fortunately for this application I can disable all interrupts during flash erase&write (disabled for 40msec!!!!! during page erase) . B...

RE: Re: CodeWarrior 4 Upgrading (bugs in version 5)

Dear Art, Thank you for your mail. Of course I understand your solution/work around, with disabling interrupts. However this ought not to be necessary if a pro...

RE: Regarding DSP56F807

Without knowing a lot more about your system configuration, I cannot say for sure, but I think this is normal behavior. We are using CodeWarrior version 5.0.2 with ...

RE: Reagarding # define const

Here is part of an email I sent to Greg Coonley at DSPOS (the RTOS we use in all of our products). This should solve the CONST problem for you. This is also mention...

RE: Program xFlash & interrupt problem   [2 Articles]

We had this same problem in our applications. You cannot access any memory in a Flash Interface Unit (FIU) while any page in the FIU is being erased or programmed. ...

Putting 'const' data into P memory   [4 Articles]

I was thinking some more about this subject last night (putting 'const' data into P memory), and I realized there was another situation where you can save a lot of ...

RE: Codewarrior 5.02 with SDK 2.4 issue.

This issue (extremely poor object code generation in CodeWarrior version 5.0) is also described in my message "RE: [motoroladsp] case statements - I missed 1 instru...

RE: page erasing DFLASH ON DSP56F807 - the mystery continues...

Another possible problem might be caused by your program accessing one page in Data Flash while you are erasing and programming another page. You cannot access any ...

New Versions of CodeWarrior Tools for DSP56800 and DSP56800E

Metrowerks Releases New Versions of CodeWarrior(tm) Development Tools for DSP56800 and DSP56800E Low-cost IDE with Editor, Compiler, Assembler, Linker, and Ins...

RE: Comparison

In reading the mail on the DSP comparisons, we are looking to the DSP/MCU 8xx family very very closely for a few projects. The selling points to us are: 1) ...

RE: simple project demonstrating how to set-up interrupts without the use of SDK

My opinion is, that the best and safest thing to do regarding the MSCAN interrupts is to use the SDK Interrupt Dispatcher and "Normal" interrupts. We do that here a...

RE: USE_NESTED_INTERRUPTS

Hi Rick Yes, all you have to do to enable nested interrupts is to #define the priorities to be from 2-7. If you look in the Motorola SDK file "const.c", you can ...

RE: case statements

While we're on the subject of CodeWarrior, you may find it interesting to read about my experiences with this product, and my opinion of how it compares to the othe...

RE: case statements - I missed 1 instruction in item 3, sorry!

While we're on the subject of CodeWarrior, you may find it interesting to read about my experiences with this product, and my opinion of how it compares to the othe...