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

Dr. Gerald Ardito gerald.ardito at gmail.com
Sun Nov 25 09:32:29 EST 2012


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?


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 outdated, and conflicts (cf.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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