From: paul lamar <rotaryeng@earthlink.net To: A10-Me-Earthlink
<rotaryeng@earthlink.net Sent: Monday, January 11, 2016 9:21 PM
Subject: Hey Paul, got a few questions for you



I broke out my old HP2000 laptop I had loaded Ubuntu on back in 2013.
So I did a lot of updates, got code blocks installed to do C++ on,
and a few other Linux IDE's to play with.

Now on the BBB I have to come up with some hardware to plug in the
headers that will give me my I/O ports and a clock function. It is
running Debian so I figured should be able not only to run the ecu
program but also a touch tft screen to see current engine parameters.
 Depending on the actual processing power of the BBB maybe even the
efis. Graphics are good and fast enough.


The maximite does have the I/O ports already, clock, but the graphics
 will be crude. I think the maximite will a good start will not be
able to run the ecu and display the instruments to monitor the
engine's operation. Lots of file swapping and linking due to the
memory restrictions.


I think the BBB is the best option so far, fast processor, lots of
memory too. I am not very familiar with Linux systems but I can
program in c or c++.


So my first question I have is it possible to write the program in c
 that can be loaded in to the BBB and set up linux so that when it is
 powered up it will automatically start to run the ECU program and
the instrument program automatically every time it is reset or
powered up?

David Jr.



You got me there. I have been using it for 16 years but I have done
no C programming with it. Back in the old days under DOS a special
file with the name autoexec.bat would run first and execute some set
up programs.

It will probably be written in the script language. If you put this
in google you get a lot of info on on start up scripts..

autoexec.bat linux equivalent

Here is a handy guide on writing scripts. Very BASIC like :-)

Paul Lamar



:
yeah, I remember the autoexec.bat files for dos, I did write in
mbasic, the original basic and the dos 1.0 that came with my first
8088 IBM-xt, that was a whole lot of money back then too for a
computer.

oh i found a tft version of the maximite the geoff and a german guy
kit'ed. I am trying to get one, there are some videos of it on
youtube running graphics, not bad.


David Jr.

Here are some tricks while in the terminal I learned over the years.

"locate" [key word your are looking for]

"locate" is lightening fast bordering on instantaneous.
My files are 500 gig.

If you have modified the file system recently
you have to do this first:

"sudo updatedb"  or locate may not find what you are looking for

Changing directories:
when doing "cd" first do "ls" and use the mouse to outline the
directory you want to go to.
Then merly paste it after "cd" wth the middle mouse button.
Hit enter.

That takes a lot of pain out of changing directories while in the terminal.

If you see a c  program or script in a pdf use the mouse
to select it than paste it into a text editor. Then rename it,
save it and you are ready to compile it or use it as script.

To make a pdf out of a web site. Use the mouse to select what you want
to save and paste it into open office write. Then save it as as pdf.

Paul Lamar

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