Topic profile page for I2C.
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Topic "I2c" was discussed 0 times on 0 sites in last 3 months
Started 1 week ago (2009-12-20 19:45:00)
by deanogreekareano
Hello, I'm contemplating using a Chumby One to control some i2c BlinkM smart LEDs ( http://thingm.com/products/blinkm ). I have code written to run on a gumstix, but this looks like it could be a much slicker way to do it with the added perks of all the sweet stuff Chumby can already do. Is there any way to get information on how to accomplish this? I've seen some posts with people ...
Started 1 week, 4 days ago (2009-12-16 12:36:00)
by ggaryt
Hello, I'm in the middle of developing a I2C interface for a Xilinx Vertex-5 evaluation board. This is a standard Philips I2C interface and I'm able to view the SCL and SDA lines and everything looks like it should be working but I'm not getting the acknowledge returned on the SDA line. We have flags output on other pins and the acknowledge is working but it seem the SDA line...
Started 1 week, 5 days ago (2009-12-15 20:09:00)
by treez
Hello, I have a temperature sensor involving a potential divider with an NTC. ...so i wish to read the Voltage, -Using a Microchip PIC's ADC, and then output the voltage , continuously, to an LCD display. (along with some words) i wish to use a PIC with an I2C serial data transfer facility in it, and will code it in C. Please, does any reader know a suitable PIC and LCD display ...
Started 1 week, 6 days ago (2009-12-14 20:15:00)
by pliu1s
I am investigating how my device would behave under faults on I2C bus. Right now NI-845x I2C Run Script.vi stops on the first error, but I need it to be a fault generator... What do I need to do so that NI-845x I2C Run Script.vi essentially continues on error (no slave ACK, arb loss, etc.) and just blithely does what I tell it to do? I want 8451 to fully execute S - DUT_W - ...
Started 2 weeks, 1 day ago (2009-12-12 07:40:00)
by H Hartley Sweeten Guest
The i2c-iop3xx driver requires a resource region of 0x18 bytes and currently uses the magic number IOP3XX_I2C_IO_SIZE (defined in i2c-iop3xx.h) to indicate this. All of the users of this driver have a platform memory resource so use resource_size() instead of the magic number. This requires fixing a couple of the memory resources since they were either off by 1 or just wrong....
Started 3 weeks ago (2009-12-06 05:30:00)
by Jean Delvare Guest
Hi Linus, Please pull a first round of i2c subsystem updates for Linux 2.6.33 from: git://git.kernel.org/pub/scm/linux/kernel/git/jdel vare/staging.git i2c-for-linus There are many improvements to the i2c-powermac and i2c-stub bus drivers, the removal of the deprecated i2c-voodoo3 driver, and the first part of the I2C_CLIENT_INSMOD* macros removal. Documentation/feature-...
Started 3 weeks, 3 days ago (2009-12-02 22:20:00)
by Sonic Zhang
Struct dev_pm_ops is not configured in current i2c bus type. i2c drivers only depends on suspend/resume entries in struct dev_pm_ops are not informed of PM suspend and resume events by i2c framework. Signed-off-by: Sonic Zhang --- drivers/i2c/i2c-core.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 files changed, 39 insertions(+), 0 deletions(-) diff --git a/drivers/i2c...
Started 4 days, 9 hours ago (2009-12-23 12:00:00)
by zied74
Bonjour, Un grand Bravo à vous tous, Hier j'ai juste changé les résistances de pull up de 10k par d'autres 2.2 k et voilà le tout a tourné immédiatement et d'une façon impécable et parfaite. Encore une autre fois un grand Merci à vous tous. Bonne journée.
Started 6 days, 12 hours ago (2009-12-21 08:48:00)
by memoryleak
Patrick, Believe it or not, I've had this same module sitting on my desk for a few weeks just begging for a free moment. FTDI is kind enough to release decent example code for their various chips, although it takes a bit of digging. The LabVIEW code is located here: http://ftdichip.com/Projects/CodeExamples/LabVIEW. htm I've never used an FTDI chip in a serial bus mode...
Started 5 days, 11 hours ago (2009-12-22 09:51:00)
by GSJT
Hi Matt, I'll post all this data for you including the screen shot of the error message and the SCL and SDA line data to give you a better idea of what is going on. As for the pull up they are 10K I'll change them to 4.7K if you believe this would help the issue. I'm currently at home on vacation until Monday the 28th. So if we can put this on hold until then I'll get that ...
Started 1 week, 1 day ago (2009-12-19 02:10:00)
by Stephen Rothwell Guest
Hi Ben, On Wed, 16 Dec 2009 10:34:56 +1100 Stephen Rothwell wrote: > > I can get a connection to git.fluff.org, but there is no traffic flow and > I have to kill of the "git fetch" after a considerable amount of time. I > will use yesterday's trees. This is still happening. -- Cheers, Stephen Rothwell sfr@canb.auug.org.au http://www.canb.auug.org.au/~sfr/...
Started 6 days, 21 hours ago (2009-12-20 23:16:00)
by luminarycrush
Hi, I just did a fresh install of FC11 and again more Nvidia driver problems - it doesn't seem to find the modules? # uname -a Linux pangea 2.6.30.9-96.fc11.x86_64 #1 SMP Wed Nov 4 00:02:04 EST 2009 x86_64 x86_64 x86_64 GNU/Linux # rpm -qa|grep nvidia xorg-x11-drv-nvidia-190.42-1.fc11.x86_64 akmod-nvidia-190.42-1.fc11.x86_64 xorg-x11-drv-nvidia-libs-190.42-1.fc11.i586 kmod...
Started 2 days, 12 hours ago (2009-12-25 08:20:00)
by Michael Breuer
I'll be the first to admit I don't know much about network drivers... but I am wondering why __free_page(frag->page); is called in skb_put_frags when the fragment length is zero. I don't see why that page pointer wouldn't potentially be reused afterwords. On 12/24/2009 2:01 AM, Andrew Morton wrote: > cc's added again. > > On Wed, 23 Dec 2009 17:54:27 -0500 Michael Breuer wrote: > >...
