emunson | 27 Mar 21:37 2014
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Installing Gstreamer plugins to rootfs with Yocto/Meta-Gumstix

I've been using the instructions for building Gumstix images with Yocto from
https://github.com/gumstix/Gumstix-YoctoProject-Repo and am having trouble
getting gstreamer plugins to populate in the rootfs for my Overo Fire. I've
tried a variety of modifications to the recipes for the gumstix-xfce-image
but I'll start from square one for this post. 

Following the instructions and using the Master manifest (default) I can
build the "gumstix-xfce-image" and boot my device with no problems. 

The "gumstix-xfce-image" recipe installs the following plugins to the
/usr/lib/gstreamer-0.10 in the rootfs: 
libgstalsa.so 
libgstaudioconvert.so 
libgstaudioresample.so 
libgstautodetect.so 
libgstcoreelements.so 
libgstcoreindexers.so 
libgstdecodebin.so 
libgstdecodebin2.so 
libgstffmpegcolorspace.so 
libgstflac.so 
libgstgio.so 
libgstogg.so 
libgstplaybin.so 
libgstsouphttpsrc.so 
libgsttypefindfunctions.so 
libgstvideoscale.so 
libgstvolume.so 
libgstvorbis.so 
libgstwavparse.so 
(Continue reading)

daveti | 27 Mar 19:32 2014
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defconfig for overo as usb gadget mass storage?

Hello,

I tried to hack the defconfig to enable the usb gadget mass storage for my
overo on Palo35 card. I could build the g_mass_storage.ko successfully and
even could I load this kmod. The only problem is my PC could not recognize
the device as an usb mass storage. g_file_storage does not work either. Just
wonder if anyone has successfully done that before? Would you please let me
know the right defconfig to do this. The post
(http://41j.com/blog/2011/11/gumstix-as-usb-storage-device/) does not work
for me anyway. BTW, I am using latest yocto~

Thanks,
Dave

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Nick Cooper ☯ | 26 Mar 23:55 2014
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Geppetto Wifi

Is there any ability to get a WiFi chipset on a Geppetto board? Ideally something with integrated [or on PCB rather than external] antennae?

Nick.
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Curtis Olson | 26 Mar 18:34 2014

Geppetto questions

Hi,

Is this the place to post geppetto (gumstix's online board designer) related questions?

I was just taking another serious look at the gepetto tool and am thinking through a design for a system that I already have running here in breadboard fashion, but would like to get put together in a more streamlined/compact fashion.

1. The costs are $2k + some amount per board.  Let's say I'm a little guy and would be starting with low quantities (like 3 or 5).  Some day in the future when I want to order a few more, do I just pay the per-board cost?  Or do I have to put up the $2k setup fee every time I order a batch?

2. What about revisions?  I'm sure as time goes by, I'll want to improve and tweak my design.  Will I need to pay out the $2k setup fee for every new board variant?

3. The geppetto tool offers almost zero information about the specific components it offers.  I'm seeing a "gps", an IMU with i2c interface, and IMU with spi interface, a 20 pin connector, etc.  But zero info on exactly which gps, which imu, on the 20 pin connector exactly how are the pins arranged?  The 3d view offers a very generic rectangle rather than any detail of how the item will really look.

4. I might be interested in including an imu or gps or other sensors in my design.  Does gumstix offer robust linux drivers for all the sensors you can attach to your board, or is that all left as an exercise for the customer?

I don't see much for geppetto questions on this mailing list so maybe I'm in the wrong place, or maybe it's not a widely used tool yet?  I really like how I can design what I want without needing to learn specific technical tools and skills for laying out a board or drawing a schematic, so I'm trying to see if I can make this work for my needs or not.

Thanks,
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Conor O'Rourke | 26 Mar 17:37 2014

UART2 on Duovero/Parlor

Hello all,

I'm not sure if I have a problem here or not. As far as I can tell,
UART2 on the Parlor board should appear as /dev/ttyO1. After all,
UART3 is the console and that appears as /dev/ttyO2. However, if I do
something simple like:

echo "hello" > /dev/ttyO1

I see nothing on an oscilloscope. The command hangs even though (as
far as I know) I've set the tty parameters correctly. Also I see this
in dmesg:

systemd[1]: Starting Attach CSR Bluetooth Adapter on ttyO1...

Is that interfering? I'd very appreciate any insights.

Thanks,

Conor.

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Lysle Shields | 25 Mar 19:33 2014

Cannot get mouse and keyboard to work on Alto35

Hello,

 

I’m trying to get a mouse and keyboard to work on the Alto35 expansion LCD board and an Overo Airstorm.  The device has been configured to run from the MMC SDCard and a userinterface is display and works with the touchscreen.  However, the small screen makes it difficult to work with and we want to do some other tests with a mouse and keyboard.

 

The OTG port on the Alto35 appears have the wrong connector for OTG and only accepts a mini-A (not mini-B) plug.  If we use the command “modprobe g_serial” and plug in the port to a computer, we see the device enumerates as a “Gadget Serial 2.4” device.

 

Looking at the page “Cabling and Compatible USB Devices” at http://gumstix.org/component/content/article/74-overo-hardware/overo-connectors/73-cabling-and-compatible-usb-devices.html a list of compatible USB Hubs are provided, but it is not clear if these hubs are special in any way.  In addition, it is not clear how these hubs would be connected to the Alto35.  For example, the Dynex 4-port USB Hub has a standard USB cable (not mini) that you connect to but this could not be connected to a Alto35.

 

Oh, and the cable that connects to the Alto35 appears to be a mini-A to mini-B cable, but the mini-A connects to the OTG port, but the mini-B seems to connect to … well .. nothing else.

 

Any advice would be helpful.

 

Lysle Shields

 

 

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bhamadicharef | 25 Mar 15:55 2014
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Re: kernel module driver load question

Study the following code
...
http://git.linuxtv.org/pinchartl/media.git/blobdiff/8bb495e3f02401ee6f76d1b1d77f3ac9f079e376..794db7d416ae33857aef5edc502b54ea7abd1deb:/arch/arm/mach-omap2/board-overo.c 

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Scott Ellis | 24 Mar 14:45 2014

Question on Gumstix Overo long-term availability

I have a new client wishing to use the Gumstix Overo
in a custom expansion board.

While researching vendors for long-term avaibility for
some of the parts (the 70-pin COM connector in particular
they had trouble finding vendors) they asked me about the
Gumstix policy for the Overo COM in general.

I didn't know the answer and couldn't find one on the
the Gumstix site. I could have missed it.

Does Gumstix have a public policy on how long they will 
be manufacturing Overo COMs?

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Nick Cooper ☯ | 20 Mar 07:00 2014
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Kernels >3.13 and Overo AirSTORM

Hey,

I'm trying to get a later kernel working on my overo airstorm, i've succeeded in producing a booting kernal, and by patching mmc in a hack-y way got the Wifi chipset working [by removing the probe defer for mmc]

The main thing i'm stuck on is USB OTG/Device support; I can't seem to get it to work when on my summit board.

Message on Overo: omap_musb_mailbox: musb core is not ready, which is reflected in dmesg with related things like "HS USB OTG: no transceiver configured"; as well as probe defers based on status -517, - 517, -19

Any help would be appreciated, currently bisecting and examining changes to musb, but not familiar with this subsystem so it's all a bit of a stab in the dark.

Nick.
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Markus Svilans | 20 Mar 02:55 2014
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Write to NAND with HW ECC from Linux

Dear list,

Is there a  way to use HW ECC when writing to the Gumstix NAND memory, 
from the Linux OS?

I am using U-Boot 2013.07 now, and I need to be able to install a new 
U-Boot while the Linux system is running. This U-Boot seems to require 
the U-Boot binary to be written with HW ECC enabled, which I don't know 
how to do from Linux.

I looked at patching U-Boot SPL to switch to SW ECC when it reads the 
U-Boot main binary from NAND. However this turned out to be tricky, as I 
couldn't find a way to use the omap_nand_switch_ecc() function (from 
omap_gpmc.c) from the SPL executable. Too bad, as this could have been a 
nice solution.

In older U-Boot versions (e.g. from 2011) the U-Boot binary was written 
with SW ECC, making it possible to rewrite from Linux.

Any help would be much appreciated. Thanks,
Markus

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Julien Moutte | 19 Mar 19:06 2014

OVERO / TI and GStreamer

Hi all,

I am currently evaluating a Gumstix Overo board with OMAP 3630 and I need to use the H264 encoder with GStreamer.

I've tried both the Linaro and the Yocto pre built images and none of them come with any GStreamer plugin that could potentially leverage the hardware (gst-ducati, gst-omx, gst-openmax, gstreamer-ti).

I've tried building the gst-omx module on the board but there's no OpenMax components installed by default on the board either. I installed the gst-ducati  elements (which use libdce) from tiomap-dev PPA for Linaro but they fail when trying to connect to the X11 server with a DRI2..something function.

So I ended up trying to get the gstreamer-ti elements on the board. As the default Yocto image does no integrate them, I had to add the layer and try to get the gstreamer-ti recipe in there but it seems to break all over the place when building with bitbake...

I am completely lost.. What is the correct way to get an H264 encoder using GStreamer on this board ?

Thanks in advance for you help...

Julien MOUTTE
C.T.O.

FLUENDO Influencing the Multimedia World

New York, USA & Barcelona, SPAIN
Contact phone:
Spain:  +34 933 175 153
United States:
+1 646-290-5176
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