[beagleboard] @Robert Nelson SGX modules not found in latest Robert Nelson image 8.7

[Gurpartap Singh]

I am using latest image bone-debian-8.7-lxqt-4gb-armhf-2017-03-19-4gb.img
Then I followed the link: 
http://elinux.org/BeagleBoardDebian#SGX_BeagleBone.2FBeagleBone_Black

./sgx_create_package.sh and installed the tar.gz package from deploy folder 
to BeagleBone.
But After Rebooting Board when I do :
lsmod | grep omaplfb
there is no such module.

Please suggest me something.I have some questions:
1.Is it necessary to compile kernel with SGX modules or these are built in 
above said downloaded Image?


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[beagleboard] current supply ?

[Riko Ho]

Hello Everyone,

How much current supply does beaglebone need if I put Wifi dongle ?

Currently I put 5V 1A, it seems that it can not detect my dongle.

Thanks,

--
*

/***/
Sent by Ubuntu LTS 16.04,
谢谢,
Regards,
Riko Ho
/***/

*

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Re: [beagleboard] Re: Beaglebone Black 2GB eMMC to 4GB eMMC

[Robert Nelson]

On Mon, Jun 19, 2017 at 9:27 PM, Dennis Lee Bieber
 wrote:
> On Mon, 19 Jun 2017 11:58:49 -0700 (PDT),
> ubaidmalik9...@gmail.com declaimed the
> following:
>
>>I have a BBB A5C With Specific Part Number that Supports 4Gb eMMC On it But
>
> Odd -- I was under the impression that the first BBB with 4GB was the
> rev C; A and B were still 2GB

There's a few 3rd parties that provide services to swap the 2GB eMMC
out for 4GB/8/16/etc...

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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[beagleboard] ADAU1372 Audio Codec Cape on Debian Jessie (4.4.54)

[Andrew P. Lentvorski]

I've build a codec cape based around the Analog Devices ADAU1372.

At this point, I can communicate with the device over I2C using i2cset/get 
and I can see audio data on the wire using my oscilloscope when I manually 
configure it.  i2cdetect happily sees both my (as yet unconfigured) EEPROM 
at 0x50 and my codec at 0x3d.

Analog Devices helpfully provides a Linux driver which I'm struggling to 
get built, but I suspect that's merely a matter of me banging my head off 
of it over enough time as it's sort of a relatively generic Linux task.

What I don't have a clear idea about is how to tell Linux what pins are 
connected to what and how/when to connect to the driver module.  I have dug 
through some of the device tree stuff, but a lot of it is for the 3.X 
series Angstrom kernels and doesn't seem to work correctly for the 4.X 
Debian kernels.

Can someone point me to some up-to-date documentation or resources that I 
can dig through about this?

Thanks.

(Reposted and deleted original to fix horrific formatting ... sorry)


root@beaglebone:~# uname -a
Linux beaglebone 4.4.54-ti-r93 #1 SMP Fri Mar 17 13:08:22 UTC 2017 armv7l 
GNU/Linux

Linux driver:
https://wiki.analog.com/resources/tools-software/linux-drivers/sound/adau1372

Chip datasheet:
http://www.analog.com/en/products/audio-video/audio-codecs/adau1372.html


root@beaglebone:~# i2cdetect -y -r 2

 

 0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f 

00:  -- -- -- -- -- -- -- -- -- -- -- -- --  

10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --  

20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --  

30: -- -- -- -- -- -- -- -- -- -- -- -- -- 3d -- --  

40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --  

50: 50 -- -- -- UU UU UU UU 58 -- -- -- -- -- -- --  

60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --  

70: -- -- -- -- -- -- -- --  

root@beaglebone:~# 


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[beagleboard] ADAU1372 Audio Codec Cape on Debian Jessie (4.4.54)

[Andrew P. Lentvorski]

 

I've build a codec cape based around the Analog Devices ADAU1372.


At this point, I can communicate with the device over I2C using i2cset/get 
and I can see audio data on the wire using my oscilloscope when I manually 
configure it.  i2cdetect happily sees both my (as yet unconfigured) EEPROM 
at 0x50 and my codec at 0x3d.


Analog Devices helpfully provides a Linux driver which I'm struggling to 
get built, but I suspect that's merely a matter of me banging my head off 
of it over enough time as it's sort of a relatively generic Linux task.


What I don't have a clear idea about is how to tell Linux what pins are 
connected to what and how/when to connect to the driver module.  I have dug 
through some of the device tree stuff, but a lot of it is for the 3.X 
series Angstrom kernels and doesn't seem to work correctly for the 4.X 
Debian kernels.


Can someone point me to some up-to-date documentation or resources that I 
can dig through about this?


Thanks.



root@beaglebone:~# uname -a

Linux beaglebone 4.4.54-ti-r93 #1 SMP Fri Mar 17 13:08:22 UTC 2017 armv7l 
GNU/Linux


Linux driver:

https://wiki.analog.com/resources/tools-software/linux-drivers/sound/adau1372


Chip datasheet:

http://www.analog.com/en/products/audio-video/audio-codecs/adau1372.html





root@beaglebone:~# i2cdetect -y -r 2

 0 1 2 3 4 5 6 7 8 9 a b c d e f

00: -- -- -- -- -- -- -- -- -- -- -- -- -- 

10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 

20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 

30: -- -- -- -- -- -- -- -- -- -- -- -- -- 3d -- -- 

40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 

50: 50 -- -- -- UU UU UU UU 58 -- -- -- -- -- -- -- 

60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 

 

70: -- -- -- -- -- -- -- -- 



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Re: [beagleboard] Re: What is the best free solution to develop a GUI application on a BB with LCD3 cape as of 2017?

[David Good]

I don't have any experience (yet) with using Tk specifically on the LCD3
cape, but it is something I'm going to experiment with.

Is Tk an option for you?

http://www.tkdocs.com/

It's usable from scripting languages such as Tcl, Python, Perl, and Ruby.

You can also use it with straight C via the API.

--David

On Mon, Jun 19, 2017 at 4:15 AM,  wrote:

> Not exactly a GUI, but if it doesn't have to be super pretty and
> fancy.. you can always make it a web page...fire up a browser when the gui
> boots up and redirect it to local webhost.
>  just remember you will have to remap left/right buttons to tab in the lcd
> overlay to make it useful.
>
> On Saturday, June 17, 2017 at 9:28:46 PM UTC-5, LV LV wrote:
>>
>>
>> I want to develop something for my home that has a GUI on the BB with
>> LCD3 cape.
>> At $1000/year Qt (one of my favorite dev environment) is no longer an
>> option.
>> I probably would have spent $29/Month to have access to it but at
>> $1000/Year that is just too much to bear for personal use.
>> For years I pushed students to use Qt so they would learn C++ in the
>> process, all with great success, unfortunately I have to turn them to Java
>> instead now.
>>
>>
>> *So what is the best solution available to develop a GUI application on a
>> BB with LCD3 cape as of 2017?*
>>
>>
>> --
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>

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Re: [beagleboard] Beaglebone Black 2GB eMMC to 4GB eMMC

[Robert Nelson]

On Jun 19, 2017 2:14 PM,  wrote:

I have a BBB A5C With Specific Part Number that Supports 4Gb eMMC On it But
after Flashing a 2GB Ubuntu Console Image on the eMMC Every thing was
working Fine until I thought of Switching it with a 4GB Debian Latest
Release.I am Getting error that Memory is Full while flashing and Logs are
showing that I just have 1.8Gb of eMMC on the board.
I have tried Resize2fs and Wipefs on the eMMC but Unable to get back the
whole 4GB eMMC on it.


http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Expanding_File_System_Partition_On_A_microSD

Regards,

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[beagleboard] Re: Setting both UART pins to LOW from python

[Graham]

If it is in UART mode it will idle 'high' by definition.  
It is how the serial protocol works. 
If there is a serial UART involved, you should revisit your requirements.
Or you could add an inverter on both ends and run the protocol upside down, 
sort of like RS-232 does.
--- Graham

==

On Monday, June 19, 2017 at 11:42:22 AM UTC-5, sspo...@bu.edu wrote:
>
> In a UART line one of the pins on the Beaglebone Black is configured to 
> HIGH in an idle state when it is not sending anything. However, for my 
> project I need both UART pins to be low when I am not using them. A 
> possible solution would be reconfiguring those pins to GPIO every single 
> time and setting them to LOW, but are there simpler and more efficient ways 
> to set them to LOW multiple times? What is the best way of doing that 
> directly from python? 
>

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[beagleboard] Beaglebone Black 2GB eMMC to 4GB eMMC

[ubaidmalik9837]

I have a BBB A5C With Specific Part Number that Supports 4Gb eMMC On it But 
after Flashing a 2GB Ubuntu Console Image on the eMMC Every thing was 
working Fine until I thought of Switching it with a 4GB Debian Latest 
Release.I am Getting error that Memory is Full while flashing and Logs are 
showing that I just have 1.8Gb of eMMC on the board.
I have tried Resize2fs and Wipefs on the eMMC but Unable to get back the 
whole 4GB eMMC on it.

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[beagleboard] Re: What is the best free solution to develop a GUI application on a BB with LCD3 cape as of 2017?

[gaurav . sureka]

Not exactly a GUI, but if it doesn't have to be super pretty and 
fancy.. you can always make it a web page...fire up a browser when the gui 
boots up and redirect it to local webhost. 
 just remember you will have to remap left/right buttons to tab in the lcd 
overlay to make it useful.

On Saturday, June 17, 2017 at 9:28:46 PM UTC-5, LV LV wrote:
>
>
> I want to develop something for my home that has a GUI on the BB with LCD3 
> cape.
> At $1000/year Qt (one of my favorite dev environment) is no longer an 
> option.
> I probably would have spent $29/Month to have access to it but at 
> $1000/Year that is just too much to bear for personal use.
> For years I pushed students to use Qt so they would learn C++ in the 
> process, all with great success, unfortunately I have to turn them to Java 
> instead now.
>
>
> *So what is the best solution available to develop a GUI application on a 
> BB with LCD3 cape as of 2017?*
>
>
>

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[beagleboard] Setting both UART pins to LOW from python

[ssposnov]

In a UART line one of the pins on the Beaglebone Black is configured to 
HIGH in an idle state when it is not sending anything. However, for my 
project I need both UART pins to be low when I am not using them. A 
possible solution would be reconfiguring those pins to GPIO every single 
time and setting them to LOW, but are there simpler and more efficient ways 
to set them to LOW multiple times? What is the best way of doing that 
directly from python? 

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