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GCC
Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.
We found 717 threads matching "gcc"
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Re: raisonance plus Rlink - any issues?
Anton Erasmus - 17:09 01-08-08
On Thu, 31 Jul 2008 23:19:11 +0100, Peter Harrison
wrote:
> I am still trying to sort out a set of tools for the STM32 (and possibly
> other ARM processors). I know there have been several discussions on
> here. I have very little money as I am essentially a hobby user.
>
> Raisonance ...
AVR bootloaders
Martin Griffith - 18:09 28-07-08
Just spent an hour googling
I'm trying to find a reasonable BL for the enduser, preferably using
USB/FTDI or the silicon labs thingy/equivalent.
Just to update their AVR, nothing special, apart from "simple" and
probably a lot of Mac users
Using GCC Winavr, Ponyprog and atmel Studio4
...Re: 32-bit Microcontroller for $1.00
Wilco Dijkstra - 06:36 28-07-08
"Nico Coesel" wrote in message news:488cc317.78543549@news.planet.nl...
> "Wilco Dijkstra" wrote:
>
> >
> > "JosephKK" wrote in message news:tskn841juifoem0nnu69unba2levtouial@4ax.com...
> > > On Wed, 23 Jul 2008 11:10:34 +0100, "Wilco Dijkstra"
> > > wrote:
> >
> > > > S...Embedded Unit test with TestApe
martinsteen - 16:04 27-07-08
Dear Comp.Arch.Embedded reader
The TestApe unit test framework is a framework for unit testing embedded
software written in plain C. It will run with GCC/Linux, GCC/CygWin or
Microsoft CL/Windows.
Latest release has just been announced - feedback is needed, so if you are
in the process of eval...STR912 bitfield access to memory mapped peripherals
frikkiethirion - 11:17 25-07-08
Good day,
I wonder if somebody has managed to create a structured way of accessing
the memory mapped IO attached to the STR912 [ARM9] via bitfields.
I can manipulate the members of a union that is declared in main(), bus as
soon as I make a pointer type of my union and point it to the memory bu...computer-driven fans
Ron Ford - 19:48 18-07-08
Hello newsgroup,
Mark Pappin posted some C source to model the situation for the house I'm
remodeling. I'm a long way from understanding both the hardware and the
software I would need to make it a reality.
// #include 0) {
SWAMPCOOLER_FAN = --fanspeed;
}
...Re: Programming languages than can be compiled to C
David Brown - 06:47 14-07-08
Philipp Klaus Krause wrote:
> David Brown schrieb:
> > Your question doesn't make sense unless you tell us more about your
> > requirements for the programming language. Are you saying that you have
> > a C compiler for the Z80, but don't like C, and you are happy with any
> > other langu...Re: problems while mixing C with asm
09:14 09-07-08
On Jul 9, 2:47 am, leo wrote:
> Hi,
>
> I'm newbie on the msp430 and I need to embed some asm in my C code.
> I'm working w/ the msp430F2418 and using the IAR Workbench as a
> developing environment.
>
> I've spent some time googling and looking at some forum discussions.
> Curren...Re: Good SVN client?
Mark Borgerson - 01:28 09-07-08
In article , google@latke.net says...
> On Jul 7, 11:37=A0am, Grant Edwards wrote:
> >
> > > "TortoiseSVN -> Diff", the very first thing on the menu.
> >
> > By default, does that compare against HEAD or against the
> > revision that was checked out?
> =20
> It compares yo...Re: GNU LD fails to generate correct ARM Thumb veneer
adsouzp - 04:53 08-07-08
hello:
> It is not analysis of your problem but maybe it will help a little.
thank you, thank you.
i did a lot of research on the problem and filed bugs in GCC bugzilla
as well as on Mikrocontroller.net.
pls see these links for more information:
- GCC Bugzilla Bug 6726
http://source...Re: Embedded processor selection for long-life product
Frank-Christian Kruegel - 16:21 06-07-08
On Sun, 06 Jul 2008 23:10:49 +0300, Niklas Holsti
wrote:
> tns1 wrote:
>
> > Softcore/FPGA solutions do seem attractive
> [snip]
> > Besides, point me to a 32bit risk soft-core that is
> > open-source (not vendor specific), and has reached mainstream.
>
> Perhaps the LEON serie...Re: convert 16 bit port to Char
Frank Buss - 23:12 03-07-08
Jack Klein wrote:
> On Thu, 3 Jul 2008 21:51:39 +0200, Frank Buss wrote
> >
> > You should add a cast to avoid compiler warnings for C compilers:
> >
> > INT16* port_d = (INT16*) [put address of PORTD here];
> >
> > In C++ not adding a cast would be an error.
>
> It would ...Re: Opinions on Atmel Studio4 sw?
Frank Buss - 15:01 02-07-08
Martin Griffith wrote:
> The simulator/debug seems to miss single stepping through procedures,
> like my "TwiddlePORTD" routine, just appearing to ignore them in my
> main while(1) loop. PORTD does update, so I'm wondering if I've missed
> a menu somewhere for showing this?
I don't know...New ICI for MILEPOST GCC (machine learning based research compiler)
Grigori Fursin - 04:20 27-06-08
Dear all,
Just a short note that we have released the new Interactive
Compilation Interface
(http://gcc-ici.sourceforge.net) with several optimization plugins for
MILEPOST GCC -
machine learning based adaptive research compiler.
We continue research to reuse optimization knowledge among di...Build Application for eCos
Me On Line - 01:59 24-06-08
Hi Everyone...
I have a problem in a compilation process of an applicaiton using eCos
complaint GNU gcc compiler. Thought when i compile an application,the
compiler shows an error message. But the correct program produce the
following
error.
/opt/ecos/gnutools/i386-elf/bin/../lib/gcc-lib...Using GCC with MMC2114 MCORE
smithch - 17:30 23-06-08
I recently joined a project for school, we are using Phoenix/AX board. I
know that there maybe a way to use GCC as a cross compiler, but I have no
experience with this. I'm not really sure where to start and was hoping
some one could point me in the right direction.
...Re: embedded system development environment
Freelance Embedded Systems Engineer - 19:20 18-06-08
guoliangqian@gmail.com wrote:
> On Jun 18, 3:14 pm, "vinnie" wrote:
> > > Hi All,
> > > I am new to embedded system development and need your advice on my
> > > upcoming project. I thank and appreciate your help in advance.
> > > I'd like to setup a development environment that include...Re: Global Variables
David Brown - 17:42 17-06-08
Rich Webb wrote:
> On Tue, 17 Jun 2008 22:24:59 +0200, David Brown
> wrote:
>
>
> > A golden rule about include files is that every time the file is
> > included within a project, it generates the same code (or declarations).
>
> I do find that the construct
>
> [inside ...at91sam7: garbage on DBGU output
Roman Mashak - 22:20 16-06-08
Hello,
MCU - at91sam7s64
toolchain - Yagarto (based on gcc-4.2.1)
I have two distinct applications residing in the internal flash. The first
one located at 0x100000, prints string and transfers control to the second
application located at 0x104000, which lights the LED and prints a string...Re: BIOS authoring tool ?
larwe - 22:14 11-06-08
On Jun 11, 9:18=A0pm, proteanthread wrote:
> where can I get a freeware and or open source BIOS authoring tool and
> or a BIOS implementor ?
That depends very much on what you're talking about. If you're writing
a BIOS from scratch, all you need is an assembler+linker - gcc will do
fine....AT921SAM7: jump to address in flash
Roman Mashak - 19:25 09-06-08
Hello,
MCU: at91sam7s256
toolchain: Yagarto (based on gcc-4.2.1)
First image XXX bytes length is burnt on the flash at the very beginning, by
address 0x100000; second image resides on the flash at the (0x100000 + XXX).
First image prints a short debug message out on DBGU port and then sho...Re: how to prevent timer code firmware running on Microblaze from being optimised
PFC - 13:40 09-06-08
> In short, I am trying to keep tab of how fast various sections of code=
> takes to run using a timer running on Microblaze.
I've done that before, like this :
int timer_value =3D * (volatile int *) TIMED_REG_ADDRESS;
.. do stuff..
timer_value =3D (* (volatile int *) TIMED_RE...Re: Newbie questions on ARM
gdisirio - 09:27 08-06-08
> I've never used ARM microprocessors, so i have questions about. For
> now, i have only used 8 bit micropoccessors and i have programmed only
> in C and asm language (i'm not expert in object oriented programming).
> I shoud use an ARM7 microprocessor.
> 1)What is the best ide for software deve...DSP recomendation
Joel - 13:50 02-06-08
I'm looking to create a portable stereo audio device. This system is
exactly what I am looking for:
http://www.amis.com/products/dsp/belasigna_200.html
However the evaluation and development tools are thousands of dollars
which puts it out of reach. Can someone put me on the right path to a
...ARM9 STR912 IRQ woes (GCC/Eclipse/OpenOCD)
frikkiethirion - 08:48 02-06-08
Hi ppl,
I've been playing with GCC (4.3) (newlib)/Eclipse/OpenOCD to try and get
a
timer interupt working. I've managed to see in the VIC0 interrupt
status registers that the interrupt flag for timer0 is set on a "TOF"
(timer overflow) of the timer.
The problem is that the CPU doesn't bran...Re: Linker/loader directives
Tauno Voipio - 14:26 01-06-08
goodTweetieBird wrote:
> I am seeking some (hopefully) general information about linker or
> loader directives that can be used to cause some arrays used in a C
> program to be stored at a particular (NVRAM) location. Could you
> please recommend some reading material? I suspect it may be co...Re: gcc-toolchain for freescale's MC9S12X (68HCS12) ??
Grant Edwards - 11:06 29-05-08
On 2008-05-29, Florian E. Teply wrote:
> as you might guess from the subject: I'm trying to find a toolchain for
> freescale's hcs12 or S12X family of microcontrollers. Currently i'm
> using Codewarrior on the Windows machine at work, but as i'm a tad
> dissatisfied by it's lack of dece...Re: QUERY : newlib for STR710 and GNUARM for STR710
Francesco Sacchi - 08:46 17-05-08
adsouzp ha scritto:
> hello:
>
> is there a port of newlib for the STR710?
> where can i find it?
>
> what platforms are supported by GNUARM's
> newlib? will it work on the STR710?
>
> thank you for the information,
AFAIK STM STR7 are ARM7TDMI cpus, so gcc and newlib will wor...Re: newbie on ARM
=?ISO-8859-1?Q?Hans-Bernhard_Br=F6ker?= - 06:59 11-05-08
leo wrote:
> I'm newbie on ARM. I was wondering if somebody could give me some
> tips about developing tools for the platform (simulators, IDEs, and
> so on).
Your request is a bit unclear. Are you about to go developing your own
tools, or are you looking for readily available developm...Re: code optimiation
Nils - 15:40 10-05-08
My main-points (for speed and size) are:
1. Benchmark what's worth optimizting
2. Do all algorithmic optimizations first.
3. Get a good compiler. If you're using GCC consider compiling a new one.
4. Learn what the restrict-keyword from C99 does. Most compiles support
it these days. Use...MCore + GCC
hebnern - 06:26 05-05-08
Hello All,
I am working on a project based on the MCore MCU, and am having a rough
time getting a basic test program working correctly. The actual device that
I am working with is the O-Navi Phoenix AX which has an embedded MMC2114. I
am using a gcc 4.3.0 cross compiler under cygwin to build, and...Re: uC Slection for a learner project
Frank-Christian Kruegel - 11:41 04-05-08
On Sat, 3 May 2008 10:51:56 -0700 (PDT), AC Me
wrote:
> 1. Very small power consumption. It would be nice if the uC would be
> capable of operating from the merest suggestion of a hint of a
> picowatt :)
There are several. I'd start with MSP430 and AVR.
> 2. A 1-Wire interface would b...Re: Anyone out there using Ada ?
CBFalconer - 15:29 01-05-08
John McCabe wrote:
> Mike Silva wrote:
>
... snip ...
>
> > I'd like the chance to use Ada in an embedded project - the
> > tasking is really appealing, among other attractions. Maybe
> > someday when C and associated languages are finally outlawed by
> > enlightened societies a...Re: Join in to discuss Yagarto, a free but powerful tool chain for ARM7, combining GNU and Eclipse
FreeRTOS.org - 14:42 01-05-08
wrote in message
news:397effd2-63e7-49fa-aa1d-e2ae74363545@l64g2000hse.googlegroups.com...
> Hi,
>
> just started a new group http://tech.groups.yahoo.com/group/yagarto/
> to discuss any subjects around the tool chain Yagarto. This nice
> package is non-commercial and supported only b...Re: Bug in latest IAR MSP430 compiler optimization???
Vladimir Vassilevsky - 14:08 27-04-08
Chris H wrote:
> Chris H wrote:
> >
> > > If you find a bug in ANY compiler (not just IAR) that is fixed in a
> > > newer version they tell you to get the latest version.
> >
> > Sure. The latest version of compiler with the fresh not yet known
> > bugs. Porting a working proje...Re: Fixed point numbers in C
Nils - 18:02 26-04-08
tims next home schrieb:
> Are there any compilers offering this?
>
Yes, GCC 4.3.0 has them, but as far as I know it has only been
implemented for the MIPS architecture so far.
Nils
...msp430 gnu debugger and usb support
amerdsp - 17:12 26-04-08
Greetings,
I am trying to move to gcc/eclipse to get around the size limit in
the free IAR and Code composer. However, I read online that only the
parallel port is supported in gnu debugger gdbproxy. Is that true or
am I missing something?
Thank you,
-- A
...Re: Luminary Cortex ARM toolchain thoughts?
David Brown - 16:12 26-04-08
FreeRTOS.org wrote:
> > Is Codesourcery more than that?
>
> Don't know. Code Red use the CodeSourcery compiler, so the compiler itself
> is the same. Take care on license models - if you get a quote make sure its
> a one time payment.
>
CodeSourcery provide three options - a tot...Re: C and MISRA, blues... (arithmetic shifts)
Nils - 11:29 26-04-08
Hans-Bernhard Bröker schrieb:
> It's way worse than that. Shifting negative values at runtime causes
> undefined behaviour. I.e. even if they come out the same in the test,
> it can suddenly behave differently in the actual program, but only if
> you called gettimeofday() within 2 sec...Advice on uC selection wanted - driving microsteppers etc
Peter Dickerson - 15:43 25-04-08
I've just got involved in a project that basically doesn't work. All sorts
of design issue. It needs a complete overhaul of the electronics. I have
experience with ARM based devices having just completed a product range of
12 different products based on the same NXP (nee Sharp) chip. So for th...