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Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.
We found 399 threads matching "pci"
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The most relevant threads are listed first
Re: USB Webcam commands control
USB wcam - 2009-09-21 13:51:00
QuickCam Messenger Vendor ID: 0x46D; Product ID: 0x8F0 this a NON-UVC
Class, but I can use camara that uses the UVC standard.
I need to find the commands control, I mean commands like:
capture picture or take a pciture or send streaming video, basically the
commads that the driver send to the ...
Machine check while reading DMA Status Registers
Washington Ratso - 2009-08-26 18:14:00
I am repeatedly seeing a machine check when reading one of the DMA
Status Registers (DMASRx). Our board has an MPC8248 processor running
Linux 2.6.26. We are using PCI DMA as described in section 9.13 of the
MPC8272 PowerQUICC II Family Reference Manual. The machine check
occurs after our syste...Re: PCIe or GMII for FPGA CPU data transfer ?
Vladimir Vassilevsky - 2009-08-22 10:45:00
embtel1200 wrote:
> Hi,
>
> We are evaluating the interface to use for transferring data between an
> Altera/Xilinx FPGA and CPU. We are considering PCIe and GMII. This is going
> to be a point-to-point link with bi-directional data transfer hitting
> 500Mbps. The CPU we are using...Re: TFT LCD controller
Dimiter Popoff - 2009-08-11 18:14:00
On Aug 12, 12:42=A0am, Frank Buss wrote:
>
> Regarding CPLD for a LCD controller: Maybe it is possible to fit somethin=
g
> which scans a framebuffer in 64 cells of a Coolrunner, but graphics updat=
e
> would be really slow, because I think 2D graphics acceleration are
> impossible wi...Re: USB host controller recomendation
Paul Carpenter - 2009-08-10 18:12:00
In article ,
wjimenezc@hotmail.com says...
> > In article ,
> > wjimenezc@hotmail.com says...
> > > > Hi, I need to know which USB host controller chip will work with
> > > > isochronous USB data transfer
> > > This will be use with any USB webcam that works with high speed or
>...Denx Linux 2.6.19.2 and MicroSys CR825/PM827
gchauvet - 2009-07-21 10:38:00
Hi all,
I use BuildRoot and Linux 2.6.19.2 (Denx kernel) on a MicroSys CR825/
PM827 board, but Linux didn't recognize my 32M flash (4 Intel
28F640C3). I have also tried the pm82x_defconfig profile but Linux
crash after line "NFTL driver: nftlcore.c $Revision: 1.98 $,
nftlmount.c $Revision: 1....Re: How to make a laptop start up when ext power is applied?
larwe - 2009-06-13 09:41:00
On Jun 13, 9:06=A0am, Peter wrote:
> > little circuit that pulses the power control line when the standby
> > voltage appears. I've done this many times when repurposing laptops to
> > use as the core of an embedded system. I used an 8-pin PIC because I
> > had them lying around. A 555 ...PADS footprint for PEX8311
John Larkin - 2009-05-28 19:52:00
Hi,
Does anyone have the PADS part layout for the PLX PEX8311 chip? That's
a 377-pin BGA, PCI Express interface chip.
Tnx,
John
...Need a RS232 PCI card that works with optos
Rumpelstiltskin - 2009-05-26 11:55:00
I have test equipment with optically isolated RS232 ports.
Seems modern RS232 ports do not support +/-12V.
They all seem to be less than +/-8V, many only +/-5V.
Anybody know of a cheap source for +/-12V RS232 PCI serial boards?
What ever happened to 1488/1489 serial drivers?
...Re: PC/104 breadboard cards?
2009-05-26 09:30:00
On May 25, 11:21=A0pm, "Chris Burrows" wrote:
> > Failing that I'd be happy if I could just source the connector. That I
> > haven't been able to find anywhere, though I assume it is there buried
>
> Is this the sort of thing you mean?
>
> http://www.newark.com/harwin/m22-6003005/...How to access second PCI card with same signature ( Vendor Id and Device Id)
mahi - 2009-05-21 05:13:00
Hi all,
I have developed a windows (Windows-xp ) based PCI card driver.Now I
am using single
card, with single card my application is working fine.Now I have
inserted the second card with the same signature,
So how can i access that second card using the same driver.
Can anyone help me re...nibz embedded example under construction ideas wanted
jacko - 2009-04-29 09:45:00
Hi
http://code.google.com/p/nibz/wiki/ReferenceSystem has been started in
earnest. The idea to split the UFM on MAX II came to me last night. So
far 23% logic resources have been used on the 1270 for just the
processor. I am expecting the 16 to 8 bit bus interface and UFM decode
and control t...Difference between cPCI and ATCA backplanes
2009-04-16 03:32:00
Hello,
I am reading up and trying to understand ATCA (Advanced
Telecommunications Computing Architecture). It seems to be defined by
the same group that defined Compact PCI.
What is the difference between the ATCA backplane and a (run of the
mill 6U) cPCI backplane. Can I stick a cPCI board...Re: Richard Stallman is responsible for the shrinking economy
Jon Kirwan - 2009-04-10 16:39:00
On Fri, 10 Apr 2009 21:20:58 +0300, Pertti Kellomaki
wrote:
> Walter Banks wrote:
> > Pertti Kellomaki wrote:
> > > If the original innovator
> > > has (for whichever motives) decided not to request compensation,
> > > then it is perfectly ok not to give any.
> >
> > Bravo.
>
...PCI FIFO Design
lionhearted - 2009-03-31 12:46:00
Hello,
I needed to get ideas on how to simulate a FIFO interface on the PCI
interface. I have a SBC w/ vxWorks and a Communication board in a cPCI
chassis. The SBC runs an application that feeds data through the PCI
interface to a FIFO on the Comm board. The Comm board has a number of
control ...mpc8280 PCI problem.
leilei - 2009-03-30 23:33:00
hi, I have met a strange problem when I write mpc8280 PCI driver.
After I initialize the PCI bridge, I can get the PCI device's Base
Address and their Size.But I can not access the registers mapped in
memory.
Can any one give me some tips or give me some source codes.
...Re: Collective Tuning Center to automate compiler, architecture and program design is now open for testing
Jon Kirwan - 2009-03-30 15:35:00
On Mon, 30 Mar 2009 20:20:19 +0100, John Devereux
wrote:
> Jon Kirwan writes:
>
> > On Mon, 30 Mar 2009 13:27:11 -0500, Tim Wescott
> > wrote:
> >
> > > If you're going to encourage people to play even _more_ games with the
> > > compiler output, you should consider a test su...Re: handling interrupts
tripura - 2009-03-20 12:05:00
> I am writing a program of blinking the LED on STK600 for 10 sec and then
stopping until there is required switch input.The microcontroller i am
using is Atmega2560.
I did this using 2 timer/counter interrupts TIMER/COUNTER1 AND
TIMER/COUNTER3.The LED is blinking continuously and the timer 3 inter...Installing drivers for PCI card with same signature for more than 1 card in windows-xp
mahi - 2009-03-16 06:42:00
Hi All,
I have developed drivers for PCI card in windows-xp.I am able to
install for 1 PCI card , but i am unable to install for second card
with same signature (VendorId and DeviceId ).How can i change the
installation inf file.
Please help me regarding this issue.
Thanks in advance.
...Re: uC with easy USB [ FTDI,... ]
=?UTF-8?B?R2xlbm4gTcO4bGxlci1Ib2xzdA==?= - 2009-02-16 07:28:00
Atilla Filiz wrote:
> I want to play with USB and microcontrollers. Can you suggest some uC s
> that are easy to use as USB slaves to my laptop or embedded toys(like the
> GP2X or Freerunner). I want to make some simple toys that can act like
> USB keyboards etc.
Hi Atilla
Look at t...Re: 2 wire rs485
Paul Keinanen - 2009-02-11 18:46:00
On Wed, 11 Feb 2009 22:21:54 -0000, "Steve at fivetrees"
wrote:
> "Paul E. Bennett" wrote in message
> news:6ve6ltFje4m0U1@mid.individual.net...
> > Vasilis wrote:
> >
> > > i'm aware(sort of) that i have to do something with the ground wire on
> > > the
> > > db9 connector, do...Re: MCU with IEEE-1394 peripheral ?
=?ISO-8859-1?Q?Frank-Christian_Kr=FCgel?= - 2009-02-07 15:26:00
Anton Erasmus schrieb:
> What ICs do people use to implement IEEE-1394 with MCUs ? I have found
> some devices from TI, but have been unable to find an MCU with
> IEEE-1394 built in.
> Surely someone makes a 51 core with an IEEE-1394 interface ? I'd like
> to get a feel of how complex i...Re: VISTA
Stephen Pelc - 2009-01-19 20:09:00
On Mon, 19 Jan 2009 17:17:05 GMT, "Radionutz"
wrote:
> Got a question. I'm thinking about a new computer but most everything I see
> comes preloaded with Vista. I have heard quite a few negative comment about
> Vista.Watcha think? Should I go ahead and get one with Vista and then what?
...Re: Serial Communication x 2 Under XP or Vista Using USB->Serial Adapters
Frank-Christian Kruegel - 2008-12-10 15:16:00
On Wed, 10 Dec 2008 12:01:04 -0500, "Jujitsu Lizard"
wrote:
> Questions:
>
> a)Is there a better approach (especially recognizing that we want maximum
> portability and that very few laptops these days ship with one let alone two
> serial ports)?
Two independent USB-Serial bridges w...How to access second PCI card with same signature in linux
mahi - 2008-12-09 03:52:00
Hi all,
I have developed a linux based PCI card driver.Now I am using single
card, with single card my application is working fine.Now I have
inserted the second card with the same signature,
So how can i access that second card using the same driver.
Is there any Minor number mechanism to ...remote controlled audio mixer/equalizer project
msg - 2008-11-20 12:47:00
Greetings,
I would appreciate some suggestions for implementing a stand-alone
audio mixer/equalizer box using commodity components, in the shortest
development time at the least possible cost. I am tending to
want to to use four PCI sound cards in an older PIII 1u rackmount
cpu to create a f...Re: Endianness of Data...
Hagen Patzke - 2008-11-11 17:56:00
julvr wrote:
> However, now that you mention it, it may be that the
> debugger is switching the endian when loading (and that I should be
> compiling little endian). I'll look into the debugger manual to see
> if I can find anything.
Not so fast. The program is obviously compiled correct...Re: interfacing with ISA or PCI soundcards
2008-11-03 15:51:00
On Nov 2, 3:11 am, "blisca" wrote:
> Hi
> Please,i would like to read something about controlling a soundcard with a
> microcontroller or FPGA,but i'm not able to find any link about,can you help
> me?
Running ISA cars from an an FPGA or micro implementing/emulating that
bus interface...Do I have to configure the South AHB??
2008-10-28 19:54:00
Hi Guys,
I am looking for writing the USB host driver for redboot on Intel
Xscale IXP435 chip.
I am clueless about the kind of setup I have to use in a bootloader
environment for getting this to work.
On the IXP435, the USB host controller is on the south AHB. The south
AHB bus can be mmas...PCI Bridge / Expansion in x86
2008-10-17 11:17:00
Hello Gurus ,
I am having PCI dataacquistion card which are capable of Bus
Mastering
in my system .
I only have one PCI Port .
1) Now if i use PCI expansion card and get many ports ,
does it effect the ability of my PCI dataacquistion devices to do BUS
Mastering ?
2) Is there a l...PCI 104 Express
Grumps - 2008-10-09 11:54:00
Hi All
This is driving me crazy! I've been searching for a PCI/104-Express CPU
board, but have found only a couple of add-on modules.
Does such a CPU board exist?
Thanks.
...MPC83xx PCI Memory Access causes system hang
spv - 2008-10-05 09:58:00
I have an MPC83xx based system. We have PCI device connected. I am
currently working on the bootloader to setup and test the PCI subsystem
onboard.
Following things are done.
1. Enabled PCI
2. configured and identified all the PCI devices onboard.
3. Identified the Memory space needed for ea...(US-NY) PowerPC NAS development kit for trade
larwe - 2008-09-30 20:02:00
Will trade for something interesting of similar value.
I've got an unwanted Freescale MPC8315E-RDB here on my desk. It has
been unpacked and repacked once, but is otherwise absolutely new -
nothing has even been changed on the hard disk. Specs for the kit are
and in more detail at .
It...PCI problems
Michael - 2008-09-19 15:00:00
Hi there - we are working on a single board computer and having some
strange issues. The single board computer is a very strange form
factor (not any of the PC-104 variants or anything like that), and we
have it installed on a board that we built many years ago (and the
person who built it is no...Re: How to design non blocking device drivers?
aravind - 2008-09-19 13:14:00
On Sep 18, 6:54=A0pm, ssubbarayan wrote:
> Hi all,
> =A0 =A0 =A0I would like to understand how to design drivers in such a way
> that its non blocking?
>
> To be more specific,If suppose I have an EEPROM device and two tasks
> are trying to write some data to the EEPROM device,general...uC/uP-Evalboard with modern bus interface??
2008-09-16 13:05:00
Hiya folks,
currently i'm looking for some evaluation boards which include a
standardized bus interface like VMEbus or PCI or NuBus or something like
that.
Just so i can share peripherals like, say some serial interface or
Ethernet or something like that among various boards by simply plugg...Prodrive MCCB-3
2008-08-26 22:18:00
Hi,
a while ago I got a MCCB-3 board made by Prodrive (Netherlands). It is
a 6U VME-Board with two PMC Slots and a Altera FPGA that is apparently
connected to the on-board PCI-66 via a couple of dual-port RAMs and a
PCI-FIFO chip.
I think this setup sounds pretty exciting but I have no idea...Re: Virtualizing QNX 6.0
Paul Keinanen - 2008-07-28 01:54:00
On Sun, 27 Jul 2008 23:12:35 -0500, AZ Nomad
wrote:
> On Mon, 28 Jul 2008 06:46:50 +0300, Paul Keinanen wrote:
> > On Sun, 27 Jul 2008 22:00:42 -0500, AZ Nomad
> > wrote:
>
> > >
> > > Baring that, why not just have two PC's sitting side by side? How
> > > tightly coupled are t...Re: AVR, polling INT0 IRQ bit - help?
larwe - 2008-07-11 08:16:00
On Jul 10, 9:12=A0pm, linnix wrote:
> > I set DDRD =3D 0xe5 (INT0 is on bit 1 of port D), PORTD =3D 0x20, and
> > EICRA =3D EICRA =A0| ISC00_MASK | ISC01_MASK to look for positive edges=
.
>
> As far as I know, pin change interrupts are on port B and E only.
> Please check the spec...Re: USB short packets and physical data packet length
Peter Petersen - 2008-07-05 04:28:00
> > For Bulk endpoints, how often does the host controller poll the
> > target's IN endpoints to see if a completely new IN transfer is
> > waiting to begin?
As fast as it can. It will loop though all currently open Bulk/Control
pipes/endpoints and poll each one in turn.
> According to ...