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by Petr
Sat Apr 27, 2013 7:29 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 135377

Re: SPI driver latency and a possible solution

@pasifus
@msperl
Just wonder what kind/brand of analyzer are you using?
Pictures are looking great.
by Petr
Thu Apr 25, 2013 9:48 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 135377

Re: SPI driver latency and a possible solution

Hi Martin,
I am not experienced enough so I do not know if my question is OK.
Anyway: can you, please, put your SPI patched kernel on-line?
This can help beginners a lot (compilation is not necessary)?

Regards

Petr
by Petr
Mon Apr 23, 2012 5:04 pm
Forum: General discussion
Topic: SPI driver - How to search this forum??
Replies: 3
Views: 660

Re: SPI driver - How to search this forum??

Hmmm,

nice try, but it returns all Raspi posts as well. So IMHO useless for the SPI search.
by Petr
Mon Apr 23, 2012 4:52 pm
Forum: General discussion
Topic: SPI driver - How to search this forum??
Replies: 3
Views: 660

Re: SPI driver - How to search this forum??

<t>Hi,<br/> <br/> minimum search word length is set to 4 characters for this forum.<br/> <br/> Because of that it is hard to find information about SPI or I2C topics.<br/> <br/> Any hints how to search?<br/> <br/> BTW, are SPI kernel drivers available.<br/> <br/> I have made some attempts to rewrite...
by Petr
Mon Apr 23, 2012 11:14 am
Forum: Beginners
Topic: SPI on Raspberry Pi
Replies: 17
Views: 21000

Re: SPI on Raspberry Pi

<t>Hi,<br/> <br/> what is the easiest way to use SPI (or other peripherals) from Python?<br/> <br/> I am trying to make some attempts using Python mmap module and it looks doable.<br/> <br/> According to Gert examples written in C  I am able to read/write to the GPIO memory registers using the Pytho...
by Petr
Sun Oct 23, 2011 10:00 pm
Forum: Python
Topic: Want to learn Python?
Replies: 16
Views: 7088

Re: Want to learn Python?

<r>Tkinter GUI is traditionally bundled with Python (using Tk).<br/> There is plenty of others as well:<br/> <URL url="http://wiki.python.org/moin/Gu.....rogramming">http://wiki.python.org/moin/Gu.....rogramming</URL><br/> There is plenty of books for beginners as well:<br/> <URL url="http://wiki.py...
by Petr
Sun Oct 23, 2011 9:50 pm
Forum: Staffroom, classroom and projects
Topic: Teaching Youngsters Programming
Replies: 131
Views: 30856

Re: Teaching Youngsters Programming

BTW,
there is plenty books/materials for the Python beginners:
http://wiki.python.org/moin/Be.....rogrammers
by Petr
Sun Oct 23, 2011 9:20 pm
Forum: Staffroom, classroom and projects
Topic: Teaching Youngsters Programming
Replies: 131
Views: 30856

Re: Teaching Youngsters Programming

<t>Dear Raspberrians.<br/> In my country we have a saying: One thousand man, one thousand flavors (tastes).<br/> <br/> I think it is the same when talking about programming languages. Nearly any of us have different point of view to programming/teaching.<br/> <br/> My point of view (I am using Pytho...
by Petr
Sun Oct 09, 2011 10:03 am
Forum: Staffroom, classroom and projects
Topic: Teaching Youngsters Programming
Replies: 131
Views: 30856

Re: Teaching Youngsters Programming

Some easy accessible hardware is IMHO necessary.
What about something like [embed]feature=player_embedded[/embed]

I can not wait to get few of Rpi for Christmas

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