[IAEP] [support-gang] Robot runs on MSP430 + OLPC XO - QA and updated bundle request

Dr. Gerald Ardito gerald.ardito at gmail.com
Mon Nov 26 06:42:24 EST 2012

Thanks, Yama.
Nice job with the circuit diagram.

Looking forward to answerJerry!

On Mon, Nov 26, 2012 at 12:48 AM, Yama Ploskonka <yamaplos at gmail.com> wrote:

>  Thank you for the interest, Gerald.
> I have uploaded a circuit diagram, and will be working on explaining
> what's what there
> BTW, I did the drawing on an XO 1, using Inkscape in Gnome. Slower than
> the quad core, but works!
> http://processors.wiki.ti.com/index.php/Bouncy_Robot_Linux_code
> let's ask Jerry (no pun: his website is http://askjerry.info) for the
> frame design - he has also a nifty tractor body design there.
> Hey Jerry! do you have handy  the blueprint of the tricycle that we may
> share it with the friends here?
> Thanks!
> On 11/25/2012 08:32 AM, Dr. Gerald Ardito wrote:
> Yama,
>  This is really great. And thanks for updating the wiki (sorry about the
> cold, though).
> Can you provide specifics on the hardware/frame for the robot?
> Thanks.
> Gerald
> On Sat, Nov 24, 2012 at 9:20 PM, Yama Ploskonka <yamaplos at gmail.com>wrote:
>>  Bouncy robot powered by mspgcc+olpc/Sugar+msp430
>> http://www.youtube.com/watch?v=h-jrNkWtavM
>> So far mspdebug Linux tools "work" in OLPC's XO computer using the
>> directions in
>> http://processors.wiki.ti.com/index.php/OLPC_XO-1 (major overhaul today,
>> courtesy of a cold/flu)
>> 1) I beg mspdebug people to vet excessive heresies this noob might have
>> introduced in the How-To in that page.
>> So far I am managing without -mcu - or -gdb.
>> I actually have no idea what those are for, or if their unavailability
>> explains my so far failure to UART, or if we should care... (for many
>> things, it ain't broken...)
>> 2) Fedora packaging people: any way to package
>> mspdebug msp430-libc msp430-binutils msp430-gcc msp430mcu msp430-gdb ?
>> What gets downloaded through yum channels in the XO is very, very
>> outdated, and conflicts (cf. mcu and libc).
>> Please feel free to forward, as I have no access to "real" Fedora people
>> - don't even know where to look for them without making a nuisance of
>> myself and undue noise, and certainly do not know who could maybe make a
>> "package"(?) usable for the XO. Will this be fixable for the next OLPC OS?
>> Daniel?
>> 3) Robotics, Science, Sensors OLPC, IAEP people, please, if you could
>> test the GCC toolchain?
>> You do not need to have a Launchpad on hand. I am trying to catch bugs
>> and usability issues. Are the instructions clear? as much as possible
>> figuring out snags so it's easier for kids and normal people.
>> *robot*
>> The brains of this "bouncy" are an MSP430 microcontroller (a lowly g2152)
>> controlling a L293 dual H bridge, senses two switches. Its brawn a couple
>> geared DC motors on 9V PWM in an askjerry tricycle frame. Not counting
>> shipping, less than USD $10 total. Coded in an XO-1 all the way. Enormous
>> thanks to the mspgcc folks that helped me figure things like how to use
>> more than one switch...
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>> support-gang at lists.laptop.org
>> http://lists.laptop.org/listinfo/support-gang
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