Embedded Programming

malloc/free algorithms

Hi, Quasi-deterministic malloc/free implementations tend to be inefficient (i.e., wasteful of resources). But, I wonder...

12 comments posted 16yrs

posted by not.going.to.be

12 comments posted 16yrs posted by not.going.to.be

Why a file system required in an embedded Device

Hi, I have this question in mind, Why do we need a file system as part of any RTOS when it is intended for a target emb...

14 comments posted 16yrs

posted by jpeeyush

14 comments posted 16yrs posted by jpeeyush

USB Enumeration problem

I have a USB device (development board with firmware) that I connect to using Hyperterminal (or Tera Term). When I powe...

2 comments posted 16yrs

posted by mike.williams

2 comments posted 16yrs posted by mike.williams

*Exclusive* use of zero-copy semantics in RTOS

Hi, I'm writing another multimedia RTOS and looking through the code I've written that *used* other such beasts in the...

2 comments posted 16yrs

posted by not.going.to.be

2 comments posted 16yrs posted by not.going.to.be

Cortex-M4 with DSP instructions and Floating point announced by ARM

Hi, thought this might be interesting for those that are using ARM in MCU related applications. They are continuing to...

6 comments posted 16yrs

posted by schwobus

6 comments posted 16yrs posted by schwobus

Is Zilog still in business?

Is ZILOG still in business? they don't answer tech support phone calls or return emails. My rep from Future Electronics...

28 comments posted 16yrs

posted by peter373752

28 comments posted 16yrs posted by peter373752

ARM9 TCP/IP Stack

Hey y'all -- I'm throwing this post out on behalf of my poor beleagured programmer. We're starting to migrate over our...

3 comments posted 16yrs

posted by rgaddi

3 comments posted 16yrs posted by rgaddi

Embedded Wifi?

Hi, Some time ago I managed to interface an Ethernet NIC controller to an 8051. Probably a very nieve question, yet how...

16 comments posted 16yrs

posted by invalid

16 comments posted 16yrs posted by invalid

User interface cognitive loading

Hi, This is another "thought experiment" type activity (you, of course, are free to implement any of these ideas in rea...

9 comments posted 16yrs

posted by not.going.to.be

9 comments posted 16yrs posted by not.going.to.be

LABMADE AUTOMATIC TEST EQUIPMENT: AD5520

Hi, I need to build an in-circuit board tester. Basically I need to measure: 1) resistors (2 Ohm to 1 MOhm) 2) capacito...

13 comments posted 16yrs

posted by zigbee

13 comments posted 16yrs posted by zigbee

STM32F103Ze-sk linker script

I have been given the task of getting a GCC cross compiler setup for STM32F101C4 which has not been a problem however I...

2 comments posted 16yrs

posted by tom.crowley

2 comments posted 16yrs posted by tom.crowley

Using PWM on AVR micro to generate DTMF

Hi I'm wanting to generate DTMF tone dialling (to dial a phone number) using an AVR micro with the timer in PWM mode. T...

6 comments posted 16yrs

posted by darkknight.21

6 comments posted 16yrs posted by darkknight.21

what makes computers 'Embedded"

Hello: Please explain for this old 'lurker' what you mean by "EMBEDDED" ? What makes a processor embedded or what you c...

23 comments posted 16yrs

posted by jehall

23 comments posted 16yrs posted by jehall

1 USB to 2 via USB Hub chip?

I am looking at a Atmel micro that supports 1 HS USB Host/OTG interface. I have a need for at least 2 HS interfaces. Ar...

0 comments posted 16yrs

posted by tprohaszka

0 comments posted 16yrs posted by tprohaszka

Did anyone know Joe Stack...

...in Austin? anyway, the site www.embeddedart.com is available now. (what a sad situation)

8 comments posted 16yrs

posted by alckytxn

8 comments posted 16yrs posted by alckytxn