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Autostart program

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Autostart program

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Thibaud

Novice

Joined: Sun Feb 24, 2008 6:15 pm
Posts: 50

Autostart program

Hi,

Is it possible to autorun a program at the power on of the brick?

Thanks,

Thibaud.

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Mon Apr 15, 2013 11:16 am

mattallen37

Expert

Joined: Thu Sep 29, 2011 11:09 pm
Posts: 184
Location: Michigan USA

Re: Autostart program

With Lego FW, you name the executable "! Startup.rxe", and it will automatically get run when the NXT powers on.

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Matt

Mon Apr 15, 2013 1:27 pm

Thibaud

Novice

Joined: Sun Feb 24, 2008 6:15 pm
Posts: 50

Re: Autostart program

Thanks, but is it the same with the robotc firmware? is it the same extension filename?

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http://blog.mlrobotic.com/

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Tue Apr 16, 2013 3:39 am

mattallen37

Expert

Joined: Thu Sep 29, 2011 11:09 pm
Posts: 184
Location: Michigan USA

Re: Autostart program

Sorry, but I'm not familiar enough with the finer details of ROBOTC.

Try saving your program as "! Startup" (with the regular extension, which should be ".c"), and then compile and download it to the NXT. Turn the NXT off and back on and see if it automatically starts executing the program. With Lego FW it works fine, but I'm not sure about with ROBOTC FW.

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Matt

Tue Apr 16, 2013 12:38 pm

NeXT-Generation

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Joined: Wed Sep 28, 2011 10:13 pm
Posts: 630
Location: If I told you, I'd have to kill you.

Re: Autostart program

AFAIK RobotC programs are also stored as .rxe files when on the NXT. Try the "! Startup.rxe". If that doesn't work, feature request?

Because I've wondered this too.

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Tue Apr 16, 2013 1:55 pm

Coder A

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Joined: Thu Jan 03, 2013 5:10 pm
Posts: 198
Location: The plateau north of the Ohio River Valley, also known as Cave Country.

Re: Autostart program

Yes, .c is the extension for the text format of the code when on the computer. .rxe is the extension for the compiled information on the brick. I would hope this is supported, it sounds like a neat idea; I actually thought about it a while back.

EDIT: Yes! It works. I made some code and here it is. Make sure to match case and spacing when naming your program ! Startup.

Here:


	Code: task main() { nxtDisplayCenteredBigTextLine(2,"IT"); nxtDisplayCenteredBigTextLine(4,"WORKS!"); wait10Msec(200); }

Turn your nxt off and on and see what happens!

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Fri Apr 19, 2013 5:10 pm

Thibaud

Novice

Joined: Sun Feb 24, 2008 6:15 pm
Posts: 50

Re: Autostart program

Thanks a lot for your answers.

I've tested the "! Startup.rxe" filename and it works perfectly !

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http://blog.mlrobotic.com/

My MOCs :
http://nxtgen.6mablog.com

Sat Apr 20, 2013 5:10 pm

roboRed

Expert

Joined: Fri Nov 02, 2012 12:07 am
Posts: 164
Location: California, USA

Re: Autostart program

Huh. I didn't know that you can do this! It's awesome! :shock:

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Mon Jun 03, 2013 8:19 pm

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