Embedded Programming

Delta Queue Help - Paging Mr. Kirwan

I am trying to implement a delta queue to schedule some tasks in the future. The structure is based a lot on comments t...

72 comments posted 15yrs

posted by jason.orsborn

72 comments posted 15yrs posted by jason.orsborn

MTU for networking

Can somebody help? How is TCP/IP stack usually designed in OSes if different physical drivers with different physical m...

7 comments posted 15yrs

posted by martin.nkm

7 comments posted 15yrs posted by martin.nkm

Debouncing multiple contact inputs efficiently

I have around 20 independent contact inputs to an HCS12 that all need to be debounced. It's a straightforward task, but...

13 comments posted 15yrs

posted by bv

13 comments posted 15yrs posted by bv

C18 basic question

Hi Guys, I'm pushing along learning C (using MPLAB + C18 on an 18LF14K22). I've what I think is a pretty basic problem....

26 comments posted 15yrs

posted by jon.dough

26 comments posted 15yrs posted by jon.dough

TMS1000 Processor from TI

Hi Yes, I mean the 1970-80s TMS 4-bit. Is there a software package to program one of these ? Just for fun I want to run...

1 comments posted 15yrs

posted by charles7

1 comments posted 15yrs posted by charles7

Connection in exterior concrete pad

A company I'm working with is developing an application the needs to connect power and data (standard 110V/60Hz and RS4...

24 comments posted 15yrs

posted by sub2

24 comments posted 15yrs posted by sub2

Vendor (china) recommendations (pro/con)

Hi, Any comments (ideally, first-hand experiences) regarding individual vendors for tablets/phones/etc.? In particular,...

7 comments posted 15yrs

posted by nowhere

7 comments posted 15yrs posted by nowhere

ov7725

I am trying to make sense of the datasheet for the OV7725. In particular, I am trying to understand the HSTART, HSIZE,...

8 comments posted 15yrs

posted by blackson

8 comments posted 15yrs posted by blackson

very cheap micro with CAN controller

Hi, I'm looking for a cheap micro with integrated CAN (optionally Transceiver ??). Wide area of supply voltage would be...

29 comments posted 15yrs

posted by hj.oertel

29 comments posted 15yrs posted by hj.oertel

DTMF and the Goertzel

Hi- I've been on mission to find a way to do inexpensive real time DTMF tone capture from an audio stream. From my rese...

6 comments posted 15yrs

posted by johnspeth

6 comments posted 15yrs posted by johnspeth

Cortex-M3 vs PIC32 divide instruction

I've finally been considering a project to use either a Cortex-M3 or a PIC32 processor and I've a technical question un...

40 comments posted 15yrs

posted by jonk

40 comments posted 15yrs posted by jonk

Flyback Transformer: sleeving question

Hi, I'm designing a flyback transformer of a 25 W power supply. The power supply will be UL tested in Europe. The norm...

6 comments posted 15yrs

posted by zigbee

6 comments posted 15yrs posted by zigbee

Barcode by camera (reprise, sort of)

Hi, I started designing this application (process an image; search for a barcode label in the field; decode) and have b...

7 comments posted 15yrs

posted by nowhere

7 comments posted 15yrs posted by nowhere

AT89S52 device signature damaged?

I've made a parallel port programmer (with HCT14 as interface) and a simple C source to programm the Atmel's S52, ISP....

3 comments posted 15yrs

posted by aleksazr

3 comments posted 15yrs posted by aleksazr

CAN termination vs. choke

Hi All - Anybody expert on CAN termination ? I'm looking at a board with the standard CAN terminator (120 ohm split int...

7 comments posted 15yrs

posted by drn

7 comments posted 15yrs posted by drn