MSCAN problem

Started by in Freescale DSPs17 years ago 7 replies

I have following problem with DSP56807 CAN controller: Using 56807 in CAN application in classic way : 'TX empty' interrupt ...

I have following problem with DSP56807 CAN controller: Using 56807 in CAN application in classic way : 'TX empty' interrupt routine fills the MSCAN registers with new message from the FIFO buffer. Received CAN messages are processed in 'Rx full' interrupt routine... The proble


DSP56807: Info->P-Flash ->Erasing Page 0 from 0x0000-0x0100 in P-Flash

Started by Christian Brauchli in Freescale DSPs17 years ago 1 reply

just for your information about flashprogramming: while programming a new bootloader-software to program the p-flash and ...

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-Interface we figured out that, if you want to erase the first page in P-Flash you have to program it like descriped in


Using Sections in Code Warrior for DSP56807

Started by wjschint in Freescale DSPs16 years ago 1 reply

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...

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 this location. Specifically, how does one do this? I know how to create sections in the linker command file, and I


external flash and FPGA interface

Started by t_karin1 in Freescale DSPs16 years ago

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...

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 how to do it? Can it be done using SPI interface? any other interface? Thanks Tomer


DSP56807 Timer B Capture Inputs

Started by petebecher in Freescale DSPs17 years ago 1 reply

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...

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 matrix looks like it defaults to 00 which should connect the inputs to the timer modual. I checked the DECCR register u


DSP56807 FileIO Data

Started by li_xinming in Freescale DSPs17 years ago 1 reply

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...

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 is I cannot load data into MatLab. Does anyone have experience to handle the problem? Thanks for help in advance.


motorola dsp eval. boards?

Started by Javier del Valle in Freescale DSPs16 years ago 3 replies

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

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 suitable for my budget). I would appreciate your advice for buying an eval board. My intention is to learn


Finding DSP job of Mechanical background

Started by li_xinming in Freescale DSPs15 years ago

I expect a career of DSP embedded product development because my master research is about embedded system to detect structural...

I expect a career of DSP embedded product development because my master research is about embedded system to detect structural health monitoring with DSP56807. However, My background is automation and control of mechanical engineering rather than electrical or computer. Any suggestio


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

Started by vagenta in Freescale DSPs16 years ago

I am having very odd variable assigments when using the debugger. Multipart question: 1. First with #defines. In order to...

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 the external data memory space say at $C008 and $C00A, in order for our external logic to interpret the data, we h


Re: DSP56807: Linker Cmd File main()- function always at the same address

Started by Christian Brauchli in Freescale DSPs17 years ago 4 replies

Hi, To place the main() routine always to the same P-Flash Address change the following in your linker.cmd file: ...

Hi, To place the main() routine always to the same P-Flash Address change the following in your linker.cmd file: #*************************************************************************** **** .ApplicationCode : { # Place all code into Program Flash


dsp56807 program download with "flash over jtag"

Started by Thomas Erdmann in Freescale DSPs17 years ago

Hello, i want to use the "flash over jtag" Program to download the code to the chips but an error occurs. My call ist:...

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 -p0x378" and this is the output of the Program: Data @ 0x4B4 ignored Data @ 0x4B4 ig