Sign in

username:

password:



Not a member?

Search Comp.Arch.Embedded



Search tips

embedded by Keywords

68HC11 | 68HC12 | 8051 | 8052 | ARM | ARM7 | Asic | AT91 | AT91RM9200 | Atmel | AVR | AVRStudio | Bootloader | CFP | CompactFlash | Cygnal | Cypress | Dataflash | DSP | eCos | EEPROM | Embedded Linux | Emulator | Endian | Ethernet | Firewire | FPGA | Freescale | GCC | GNUARM | GSM | H8 | HDLC | I2C | Infineon | Interrupts | Java | JTAG | LCD | LED | LPC2000 | MCU | Microchip | MMC | MPLAB | MSP430 | PC104 | PCB | PCI | PCMCIA | PowerPC | Rabbit | RS232 | RS485 | RTOS | SBC | SDRAM | Sensor | SPI | STK500 | UART | UML | USART | USB | Verilog | VHDL | VxWorks | Xilinx


Ads

Discussion Groups

See Also

DSPFPGAElectronics

ARM


Advertise Here

Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.

We found 2137 threads matching "arm"

You are looking at page 1 of 54.

The most relevant threads are listed first

Re: Bootloading from SD card

whygee - 2009-11-18 23:57:00
hi, ArarghMail911NOSPAM@NOT.AT.Arargh.com wrote: > It's not all that difficult for FAT12 or FAT16 if you restrict your > file to the root directory. I wrote a routine that searches the root > directory for a specific file, and reads it into memory via the FAT. I > think it took less than...Re: Bootloading from SD card

Re: NIOS and ftoa()

Chris Burrows - 2009-11-18 19:34:00
"John Speth" wrote in message news:he1ta9$1852$1@adenine.netfront.net... > (I'm to OP) > > Thanks for all the good suggestions that have come forth so far. Some > will be useful and some won't be. I can envision considerable execution > savings if I use some sort of fixed point ma...Re: NIOS and ftoa()

OpenOCD+GDB (stepi. Unable to single step)

dwx - 2009-11-16 08:01:00
Hello, I've a small "problem". I first describe the situation::: I have a AT91 microcontroller connected with the host by a amontec JTAG... I start OpenOCD and everithing run OK. In the gdb script (to connect to openocd) i set a hardware breakpoint (with hbreak main), and a continue command......OpenOCD+GDB (stepi. Unable to single step)

Re: Superscalar embedded processors?

Nils - 2009-11-15 07:48:00
DJ Delorie wrote: > Richard Flach writes: > > I am wondering if there are now already the first superscalar > > processors available for the embedded market? > > Have been for a while now. The Toshiba MeP with IVC2, for example, > can run up to 3 different insns per cycle, and the M...Re: Superscalar embedded processors?

TI E-tech Day November 17 - Live Webcasts and Q&A on MSP430, C2000, Stellaris

2009-11-14 10:46:00
eTech Day online Community & Training event on November 17, 2009 Time:10:00AM Tuesday, November 17th Location:Online Register here: http://bit.ly/TI_E-TechDay Register in advance to test your browsers and to participate in the forums and IRC chat channels today. Join the TI E2E online c...TI E-tech Day November 17 - Live Webcasts and Q&A on MSP430, C2000,  Stellaris

Re: Google releases new programing language.

krel - 2009-11-12 17:09:00
David Brown wrote: > Currently limited to x86 and amd64. Well they specifically mention that an incomplete port to ARM exists so I guess it is not too far away. ...Re: Google releases new programing language.

Re: va_args (va_start, va_end, va_list ) souce?

Arlet - 2009-11-12 06:35:00
On Thu, 12 Nov 2009 03:06:27 -0800, vladitx wrote: > On Nov 12, 2:22 am, steve_schef...@hotmail.com wrote: > > > On Nov 11, 6:28 pm, vladitx wrote: > > > > > Functions with variable number of arguments receive all their variable > > > arguments through stack. > > > > That's c...Re: va_args (va_start, va_end, va_list ) souce?

Re: PID autotuning - not working for heating application

Tim Wescott - 2009-11-10 17:59:00
On Tue, 10 Nov 2009 12:45:24 -0800, pnachtwey wrote: > On Nov 5, 9:37 am, "Frank W." wrote: > > Is there a control engineering expert here? > Yes. > > Since all PID temperature controllers have Autotune, there must be a > > solution for this problem. > Some auto tuning algorithms a...Re: PID autotuning - not working for heating application

XPLA3 coolrunner programming tool?

Didi - 2009-11-09 20:14:00
Some time ago I managed to get (under NDA) the programming info from Xilinx so now I can program one of their coolrunners via JTAG with my toolchain (the CPLD on this design is reprogrammable over the net, i.e. the board CPU does its JTAG access etc.). I am now getting to what should be the...XPLA3 coolrunner programming tool?

Software real time clock using timer unit

alex99 - 2009-11-08 10:35:00
I am trying to implement a software real-time clock on ARM using the timer module. I am pretty much unable to do it at this point and was hoping that someone could point me in the right direction -- perhaps even coded examples that could serve as a way to better understand it. I C language but ...Software real time clock using timer unit

Re: CPLD + MCU SoC from Cypress, free samples too!

rickman - 2009-11-06 12:15:00
On Nov 6, 12:10=A0pm, Antti wrote: > On Nov 6, 6:35=A0pm, rickman wrote: > > > > > On Nov 6, 4:47=A0am, -jg wrote: > > > > On Nov 6, 6:01=A0pm, Antti wrote: > > > > > ok some explanations: I was talking PSoC 3, yes, and it > > > > HAS VERILOG programmable gen...Re: CPLD + MCU SoC from Cypress, free samples too!

FPGA Soft Core CPUs

Jack Klein - 2009-11-05 23:00:00
Parts obsolescence is biting again, and at least one of my EEs is insisting that we spin replacement boards with soft-core processors in FPGAs. There are several things I don't like about that. First, how robust are these systems. What if power is lost during updating the configuration dev...FPGA Soft Core CPUs

Password Protecting SD-Card Data

benn - 2009-11-05 21:20:00
Anyone know how data on an "Secure" Digital Card can be secured? I'm designing an embedded arm-based board that uses a standard SD/SDHC Card for storage, and I'd like to secure certain partitions by password protecting them from reading/writing. The only built-in protection I've been able to...Password Protecting SD-Card Data

Re: embedded gcc linker issue--trying to build for m68000 cpu

Chris Burrows - 2009-11-03 17:41:00
"Jim" wrote in message news:342fac09-113a-4a00-8576-6cfabce7d3f0@p8g2000yqb.googlegroups.com... > > I'm using the free Code Sourcery Lite gcc for m68k for a home project > that involves a micro with 68000 cpu core. ... ... > > CodeSourcery is "for" Coldfire which (I think) has a ric...Re: embedded gcc linker issue--trying to build for m68000 cpu

Re: Small Linux board

Theo Markettos - 2009-10-31 15:41:00
Piotr wrote: > I've set about to do a SHOUTcast Internet Radio, so I'm looking for > cheap (low than $100) and small board (ARM based, for example), which > can run simple Linux distributions. It has to contain Ethernet > Controller, Audio Codec and it will be very nice if it also prov...Re: Small Linux board

Re: Compilers on the MPC56xx? Recommendations, warnings?

42Bastian Schick - 2009-10-29 03:00:00
On Wed, 28 Oct 2009 13:47:04 -0700 (PDT), Mark Piffer wrote: > On 28 Okt., 21:21, bastia...@yahoo.com (42Bastian Schick) wrote: > > On Wed, 28 Oct 2009 08:17:23 -0700 (PDT), Mark Piffer > > > I suppose with DIAB you are referring to the Wind River compiler? I Yes, I still can't deal...Re: Compilers on the MPC56xx? Recommendations, warnings?

RapidiTTy

Michael - 2009-10-28 14:06:00
On 7 Nov 2008, 19:18, helix wrote: > Does any one understand Time Triggered systems? Or have used this > tool? it only supports LPC2129 and 2294 at the moment I've only just come across this. There's nothing particularly complex about time-triggered (TT) systems. What it means in prac...RapidiTTy

Looking for Full time position in Embedded Systems

Nripendra Singh - 2009-10-28 12:12:00
Hi, I have completed Masters in Electrical Engineering from University of North Carolina at Charlotte and currently I am looking for full time position in the field of Embedded Systems and software Development. I have an in-depth knowledge of C/C++, MATLAB and Core JAVA. During my masters pro...Looking for Full time position in Embedded Systems

Re: Squeezing bytes out of a struct

Chris Burrows - 2009-10-27 18:24:00
"D Yuniskis" wrote in message news:hc76jv$n5q$1@aioe.org... > Chris Burrows wrote: > > Agreed. Not only working but also maintainable. The sample code posted > > was anything but that. > > Perhaps you could suggest how this could be made *more* > maintainable? (keeping in mind tha...Re: Squeezing bytes out of a struct

Re: LPC2888 Flash programming using DFU.

Rich Webb - 2009-10-27 08:48:00
On Tue, 27 Oct 2009 06:06:29 -0500, "aprashant19" wrote: > Hi, > > I am new to LPC2888. I am using the Olimex development board. > > I tried to configure the board in USB download mode (pullup P2.3 to > Vcc), but Windows is not recognizing it. However the test mode is working > ...Re: LPC2888 Flash programming using DFU.

Re: OT: Good SVN How-To?

David Brown - 2009-10-27 04:27:00
Rob Gaddi wrote: > On Mon, 26 Oct 2009 16:40:09 -0500 > Tim Wescott wrote: > > > A project I'm working on just shoved me over the threshold from RCS > > to SVN -- I just have to track multiple branches on this one. > > > > But I'm not a version control maven, I'm a @#$% algorithm g...Re: OT: Good SVN How-To?

QVGA touchscreen UI design tools?

Spehro Pefhany - 2009-10-26 16:16:00
What tool options would the cognoscenti suggest for a UI design incorporating a QVGA touchscreen? Needs to have buttons, dynamic and static content etc., probably not animation or video. Probably ARM based, but could be PIC32 or something else. Thanks for any suggestions. ...QVGA touchscreen UI design tools?

Re: Micro to drive a TFT LCD

Raddix - 2009-10-23 14:53:00
> I have yet to see a TFT display which needs more than 16 bits to show > all it has. You'll certainly be fine at 16 bpp and likely OK for the > purposes you state at 8 bpp (but there will be visible limitations > at 8 bpp if you want to show photos or something, not huge on the > tiny qvga you ...Re: Micro to drive a TFT LCD

Re: Microcontroller Recommendations for School Project: Laser Tag

Paul Carpenter - 2009-10-23 05:24:00
In article , someone.pc@ntlworld.com says... > > > > Why do you need wireless? > > > > People go round 'shooting each other', unit detects if it has been hit > > and by which code. At end of game download the table of "been hit by" > > even via serial links as the equipment is ...Re: Microcontroller Recommendations for School Project: Laser Tag

Re: Anyone know of a micro w/ these features?

ChrisQ - 2009-10-21 07:58:00
dawydiuk wrote: > Hello, > > I'm looking for a micro-controller that has the following features, but I'm > having a heck of a time finding one. > > -CAN bus > -16 GPIO > -8 ch 12-14 bit resolution ADC > -Low cost > ST micro arm devices ?... Regards, Chris ...Re: Anyone know of a micro w/ these features?

Re: Change names of variables and functions in multiple files?

Chris Burrows - 2009-10-15 20:51:00
"Geek" wrote in message news:4ad757d3$0$288$14726298@news.sunsite.dk... > > I would like to have a program that allows me to change a word in multiple > files. > > I need to change multiple variable and function names (to comply with a > coding standard). > Check your develop...Re: Change names of variables and functions in multiple files?

Please tell me what is the cheapest ARM with my request ip(100K annual)

rickee - 2009-10-11 09:41:00
Please tell me what is the cheapest ARM with my request ip. Our company would like to change current audio application to embedded system. after my researching, only 2 way to realize, one is made ASIC Chip (request very long develop time,and huge investment), another is buy ARM with specify IP...Please tell me what is the cheapest ARM with my request ip(100K annual)

ARM board features?

Hazard - 2009-10-07 07:52:00
Hello all, I am looking for a controller board using a 32 bit ARM processor. I have three different projects I would like to work on, and would like to use the same base board for each. I would like a board that would be suitable for all of the following, but not all at the same time, each pro...ARM board features?

Using ARM JTAG Instructions in Debug Mode to Read and Write Memory

Neil Jacobson - 2009-10-01 03:01:00
Hello Folks, I am writing what I thought to be a simple application to read and write memory using the ARM JTAG Scan Chain instructions. What I am finding is that I can read and write registers without issue but whan I try to use system speed instructions (as required) to do the memory acces...Using ARM JTAG Instructions in Debug Mode to Read and Write Memory

installing GNU ARM TOOL Chain on Eclipse on a Linux Machine

aquibf - 2009-09-30 18:28:00
Hi, I am trying to use Eclipse on a Linux machine for ARM development, but can' get to understand how to install the arm tool chain on to Eclipse. I am looking for docs, tutorials or direct help that will allow me configure Eclipse to compile c code for the arm processor. -----...installing GNU ARM TOOL Chain on Eclipse on a Linux Machine

Re: Encoder programming

Spehro Pefhany - 2009-09-24 11:28:00
On Thu, 24 Sep 2009 11:11:05 -0400, Rich Webb wrote: > On Thu, 24 Sep 2009 08:56:26 -0500, "vibz86" wrote: > > > Hi folks, > > Im having great trouble in pic programming and hope someone can help me.Im > > designing a motor controller circuit using pic 16f877a. Iv got a single > > en...Re: Encoder programming

ARM: JTAG problem on developed ARM board

Mad I.D. - 2009-09-18 04:43:00
Hi. I designed an ARM7 board with LPC2478 MCU. Unfortunately, JTAG doesn't work like one would expect. I can download code to FLASH, I can start debugging, BUT every time it comes to the first STR instruction I get "Could not stop device" ERROR. When I don't step the code it goes to some garb...ARM: JTAG problem on developed ARM board

Advice on an IPC mechanism

fatbald1 - 2009-09-17 09:49:00
Hi All, I've been asked to look into one of our products, its an embedded device running Linux on an Arm board. One of the major issues is that of latency, there are many factors which account for this, but one which I'm concerned about is the use of DBus. This is being used for the sending...Advice on an IPC mechanism

Re: Processor Selection for SoC

David Brown - 2009-09-17 05:21:00
moogyd wrote: > Hi, > > I am looking at selecting a processor for our SoC platform. Currently > we use an embedded 8051 core (small, low power, low performance, > cheap). > > For our next project, we need more performance, and we are also trying > to create a platform suitable for ...Re: Processor Selection for SoC

Re: Developing/compiling software

Grant Edwards - 2009-09-16 12:13:00
On 2009-09-16, FreeRTOS info wrote: > > > Any suggestions of the compiler software you're using to > > > write/compile your code and create hex files to upload to the > > > ATMEL microcontrollers. > > > > I prefer gcc. It's the compiler I use for 8 other processors, > > and I find ...Re: Developing/compiling software

IAR Embedded Workbench License Error

gbenga007 - 2009-09-14 08:48:00
I know this is not exactly a technical question but I'm at my wits end here. I'm trying to use eval version of the IAR Embedded Workbench for ARM v5.30. I'm able to install and everything by when I build my project, I get the following error during linking. Any ideas??? Error[Lt023]: License fai...IAR Embedded Workbench License Error

Re: Using infrared leds and transistors to make a keyboard

linnix - 2009-09-09 20:51:00
On Sep 10, 2:28=A0am, Paul Keinanen wrote: > On Wed, 9 Sep 2009 01:22:22 -0700 (PDT), linnix > > wrote: > > On Sep 9, 3:11=A0pm, Enrico wrote: > > > Hi, > > > > > This is a confusing question, you cannot use led/trx as buttons ? > > > > yes, that's exactly what I would...Re: Using infrared leds and transistors to make a keyboard

Counting number of cycles

Ricardo Menotti - 2009-09-09 09:46:00
Dear all, How can I count de exact number of cycles spent by processor during a very small code execution? I'm using an EDB9315A with ARM920T processor running Linux 2.6 Thanks in advance, ...Counting number of cycles

Re: Selection of Microcontroller

Ian - 2009-09-08 04:35:00
On Sep 7, 10:13=A0pm, "manishfire" wrote: > I want to make a Project in which i want to communicate b/w two USB Flash > Drive. > > In this i want to transfer data form one that will act as Host to the > Client USB Drive. > > Please tell me which Micro controller is best for doing th...Re: Selection of Microcontroller

Re: Which C dialect should I pick?

FreeRTOS info - 2009-09-08 04:17:00
"Anders Sørensen" wrote in message news:f7f80fbd-425f-4e0a-8ac2-157d45abb225@k39g2000yqe.googlegroups.com... > Hi, > > I'm looking to writing software for the NXT in either pure C or a > dialect thereof. I had the option of choosing the Java Optimized > Processor (JOP) instead of th...Re: Which C dialect should I pick?
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | next