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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: ...

PWM Fault inputs on Motorola DSP56807   [2 Articles]

Regarding the PWM fault inputs on the DSP56807, what is the minimum time duration of a positive-going pulse that will latch the fault input circuit on the chip? T...

DSP56807 MACSU instruction operation   [2 Articles]

I am executing the following instruction on the DSP56807: MACSU Y0,X0,B Where, before execution: Y0 = 0xFFF9 X0 = 0x041E B = 0 After: B = B2:B1:B...

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...

MSCAN problem   [5 Articles]

I have following problem with DSP56807 CAN controller: Using 56807 in CAN application in classic way : 'TX empty' interrupt routine fills the MSCAN registers wit...

Is this also a forum for commercial requests?   [4 Articles]

There is no FAQ for this forum that I am aware of, so please bear with me if this question is out of place. Is this the right forum to look for a consultant for ...

where can I download CW for dsp56800 evaluation version?   [3 Articles]

I just want to do my own reseach using dsp56807,but the full version for CW is a little expensive for me.Does anyone know where to get the free evaluation version? ...

JTAG cable schematics!   [3 Articles]

Hi! Please help me how can I load code into DSP56807 with CodeWarrior What cable I need, where can find its schematics? -- Best regards, Manuk mailto:s_manuk...

dsp56807 and external XRAM wait-state problem   [3 Articles]

We have developed a new board using a DSP56807 to run a Kalman filter for a real-time application. The Kalman filter uses relatively large matrices, hence RAM requi...

external flash and FPGA interface

I need to use the DSP56807 to read 0.5 MB data from external flash and to program FPGA chip with this data. Did anyone ever do such thing? is there example code ...

Timer input as general purpose input ?   [4 Articles]

Hi, Please do somebody know if (or how if yes) it is possible to use DSP56807 timer inputs/outputs (TA0..TA3, TB0..TB3, TC0..TC3, TD0..TD3) as a general purpos...

DSP56807 FileIO Data   [2 Articles]

Hi, all: I `m using DSP56F807EVM FILEIO to save ADC data into a data file on hostPC. Next, I have to process these data by MatLab Wavelet Toolbox. The problem ...

floating point division - CW 4.02   [3 Articles]

Hi all, i've got probleme with followed division: ------------- Int32 result; Int32 a=0x55555555; float b=25.6; archSetNoSat(); result = ( a / b ); // ...

MATLAB blockset for DSP56807 ?   [2 Articles]

I have seen MATLAB R12 ver 6 having toolbox for Motorola DSP 56K series. But this contains only function for 563xx & 566xx which are 24 bit DSP's, There is nothing ...

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...

DSP56807: Linker Cmd File main()- function always at the same address   [5 Articles]

Hi, 1. For my application I need to have the main() routine allways linked to the same address in my P-Flash (for example 0x0086). Does anybody have an idea how ...

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...

Question about filtering

After converting from analog to digital signal, the digitized signal needs to be filter so I can continue on with other processing. I am thinking to store in in s...

DSP56807 Timer B Capture Inputs   [2 Articles]

I need to find out how to get the capture inputs to Timer B working. The problem seems to be with the Quadrature Decoder Switch Matrix but I am not sure. The mat...

ADC conversion   [2 Articles]

I recently got my DSP56807 to work on my audio application in school. I am having a problem understanding the concept of the SDK and with the ADC. To avoid alias...

Rif: DSP56807 bootloader / S-Record number of lines

To use own boot loader we post process the Codewarrior S file to remove S0 line and add a new S0 line with a global checksum information. Regards, Giuliano ...

motorola dsp eval. boards?   [4 Articles]

Hello, I would like to learn about DSPs. I have seen that some eval boards from motorola DSP56807 cost about 300$ and the new DSP56802T60 cost near 60$ (more s...

Using Sections in Code Warrior for DSP56807   [2 Articles]

I want to link in an interrupt vector table (written in C). I assume I need to create a special section - starting at 0x4 or what ever, and then link the table at t...

DSP56807: Info->P-Flash ->Erasing Page 0 from 0x0000-0x0100 in P-Flash   [2 Articles]

just for your information about flashprogramming: while programming a new bootloader-software to program the p-flash and x-flash using a dedicated Dual-Ported-In...

TTCAN for DSP56F807

Hello, I want to use the MSCAN Module of the DSP56807 for a hart real-time application with periodic transmission of messages in a fix time slot. The automatic re...

DSP56807 Program Size Problem   [2 Articles]

Hi All, Has anyone seen or have a solution for the following situation? The problem is that the program will not start after power-down or reset. I am downl...

faster division in DSP56800   [2 Articles]

Hi all, i'm programming the DSP56807 and struggle with the common functions. I have followed computation in integer: Int32 counts; Int32 position; UInt16 r...

Difficulty configuring DSP56807 memory-mapped registers from FLASH program   [2 Articles]

The following pertains to Metrowerks CodeWarrior V5.0.3 (latest patch 3) targeted to DSP56807. A project was created using EABI stationary. The HW target is a Motor...

DSP56807 with SDK and ISR written in assembly

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 bootloader / S-Record number of lines   [2 Articles]

Each S-Record line has a checksum at the end of it. So if error occur when sending that line, we can know about it. However, what if a whole line (or more then o...

RE: dsp56807 program download with "flash over jtag "

RE: [motoroladsp] dsp56807 program download with "flash over jtag" F802 is in Boot flash address space, and in fact overlaps the Program address space at locat...

DSP56807 execution of BRSET instruction?   [3 Articles]

The DSP56F8XX family manual rev. 1.00 indicates on page A62 that the first argument to the BRSET instruction is a 16 bit immediate value. Further along, it states 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: FW: Codewarrion sample code

Luis, The embedded SDK contains an example application employing the use of the ADC on the DSP56807. You can find more information out about the SDK from: ...

MATLAB + Visual Studio support for Motorola EVM boards

Leonard- Signalogic DirectDSP software supports MATLAB and Visual Studio communication with EVM563xx boards using a parallel port interface (small hardware ada...

strange var assignments in CW5.0.4 w/sdk 2.5 - dsp56807

I am having very odd variable assigments when using the debugger. Multipart question: 1. First with #defines. In order to access a direct memory location on th...

dsp56807 program download with "flash over jtag"

Hello, i want to use the "flash over jtag" Program to download the code to the chips but an error occurs. My call ist: "flash_over_jtag flash807.cfg Flash.elf.S -...

RE: Codewarrior does not erase boot flash 56F807   [7 Articles]

Hi Bill, Normally the entry point of your code (where the reset pointer points to) keeps the same address when you change your software code, so you do not exp...