Embedded Programming

CPU design

hi got altera quartus II http://indi.joox.net as my site trying to make simple MISC design for embedded and stand alone....

2 comments posted 20yrs

posted by jackokring

2 comments posted 20yrs posted by jackokring

Coldfire MCF5475 IO pin question

I have a MCF5475 which I need to work out which pins, when configured for GPIO are input (or input and output). I don't...

2 comments posted 20yrs

posted by dave

2 comments posted 20yrs posted by dave

ELDK 4.0 for arm9

I used the eldk for a custumers board, and had a lot of Problems with the alligment. Do I need special compiler flags....

0 comments posted 20yrs

posted by Wolfgang.Doebber

0 comments posted 20yrs posted by Wolfgang.Doebber

PIC "interrupt-on-change" combined with normal input?

I've got a new project on a PIC16F877 which uses several PORTB pins. 2 of these are "interrupt-on-change", one is the n...

10 comments posted 20yrs

posted by darin

10 comments posted 20yrs posted by darin

Regarding cold boot and SDRAM status

Dear all, Recently happened to investigate an exception issue due to raising of exceptions from ISRs. I am using ARM ba...

1 comments posted 20yrs

posted by ssubba

1 comments posted 20yrs posted by ssubba

'Favourite' methods for scanning/parsing input data?

Hi, I was reading an interesting article on Embedded.com about using Lex & Yacc in embedded applications. Here's the UR...

11 comments posted 20yrs

posted by no

11 comments posted 20yrs posted by no

Xilinx PPC unexplainable cycle count

Hello, This is what I am experiencing: - I need to compare to code versions regarding execution speed - comparison is d...

1 comments posted 20yrs

posted by eascheiber

1 comments posted 20yrs posted by eascheiber

PIC USB software

Hi, I am developing a data logger application for the 18F4550 and was wondering if anyone had some sort of windows/linu...

2 comments posted 20yrs

posted by russellseres

2 comments posted 20yrs posted by russellseres

How to detect incoming call or music playing by audio jack of cell phone ?

Hi All, Is it possible to detect incoming call / active call/ or playing music by audio jack of a cell phone ? Best rega...

4 comments posted 20yrs

posted by bokiteam

4 comments posted 20yrs posted by bokiteam

importing machine code into code warior

I have code warior for a 68k embedded processor, and I have machine code that was pulled from the actual chip. I would...

4 comments posted 20yrs

posted by junk_email_here

4 comments posted 20yrs posted by junk_email_here

ISE/EDK "target pattern contains no `%'"

Grrrrr! Has anyone got ISE 7.1 working with EDK in Windows? Ever seen this error before? I installed ISE/EDK per instru...

1 comments posted 20yrs

posted by zwsdotcom

1 comments posted 20yrs posted by zwsdotcom

stepper motor torque

Any good way to estimate torque for stepper motors you can't find documents for (except for buying a 600 bucks torque me...

6 comments posted 20yrs

posted by wv9557

6 comments posted 20yrs posted by wv9557

what does the baudrate of DMA depends on ?

Dear all, Is that the bus clk ? Will the speed of peripheral device be the limit too ? Best Regards, polarbear

4 comments posted 20yrs

posted by polarbear2008

4 comments posted 20yrs posted by polarbear2008

AT91RM9200 - PLL's - Main CLK

Hi, I'm going to fire-up my RM9200 board. I see that CPU is sending letter (but not XModem "CCCCC") on DBG-UART. The pr...

3 comments posted 20yrs

posted by pelos

3 comments posted 20yrs posted by pelos

How accurate/tolerant is the PIC USART clock rate?

I am looking at a design which uses a PIC18F8520 whose USART is connected to a PC serial port running at a fairly high...

10 comments posted 20yrs

posted by pomerado

10 comments posted 20yrs posted by pomerado