[Lab] Launch pad

Mon Sep 20 14:03:09 EDT 2010

try:
http://search.digikey.com/scripts/DkSearch/dksus.dll?lang=en&site=CA&WT.z_homepage_link=hp_go_button&KeyWords=launchpad&x=0&y=0

4.88$ and the page also link to the datasheet

Normand

On Mon, Sep 20, 2010 at 12:28 PM, Darcy Whyte <darcy at siteware.com> wrote:

> is it DIGY.com?
>
>
> On Mon, Sep 20, 2010 at 12:27 PM, Jean-Marc LeBlanc <
> jeanmarc.leblanc at gmail.com> wrote:
>
>> DIGY Key has some available now though
>>
>> Jean-Marc Le Blanc
>> ---
>>
>> "Do you pine for the nice days of Minix-1.1, when men were men and
>> wrote their own device drivers?" Linus Torvalds
>>
>>
>>
>>
>> On Mon, Sep 20, 2010 at 12:26 PM, Jean-Marc LeBlanc
>> <jeanmarc.leblanc at gmail.com> wrote:
>> > Yeah I bought mine on the second day and received it last week.  If
>> > you order one of these I would order it right from the TI store and
>> > not a retailer.
>> >
>> > check out their wiki.
>> >
>> http://processors.wiki.ti.com/index.php/MSP430_LaunchPad_%28MSP-EXP430G2%29
>> >
>> > if you have only used the arduino, keep in mind that the launch pad is
>> > a little bit more complicated to program than the arduino.  But
>> > nothing you can't learn.
>> > If you are interested in my code though let me know.  Ill try to leave
>> > more detail comments than in the example code.  You can get an Idea of
>> > how it works
>> >
>> >
>> > Jean-Marc Le Blanc
>> > ---
>> >
>> > "Do you pine for the nice days of Minix-1.1, when men were men and
>> > wrote their own device drivers?" Linus Torvalds
>> >
>> >
>> >
>> >
>> > On Mon, Sep 20, 2010 at 11:18 AM, Tom Burns <tom.i.burns at gmail.com>
>> wrote:
>> >> Launch pad is under $5 apiece shipped when purchasing from the TI
>> e-store
>> >> and comes with a USB programmer that also serves as debugger and USB
>> >> backlink.  Only annoyance is a long lead time as they're constantly
>> >> backordered.. I bought 3 for $14 back in June and received them about
>> 2-3
>> >> weeks ago.
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> On Mon, Sep 20, 2010 at 11:09 AM, Darcy Whyte <darcy at siteware.com>
>> wrote:
>> >>>
>> >>> The Launch Pad thing is less than $5?
>> >>> My arduino was around 30 bucks assembled.
>> >>> Wow! Your baby's already getting married?
>> >>> --
>> >>> Darcy Whyte
>> >>> Darcy at Siteware.com
>> >>> 613-563-3634
>> >>> Ottawa, Canada | N 45° 25'03.1" W 75° 42'21.4"
>> >>>
>> >>> Inspirational Flying Machines:
>> >>> http://www.rubber-power.com
>> >>> MAAC 23153
>> >>>
>> >>> Social Media, Interaction, SEO
>> >>> www.generalSocial.com
>> >>>
>> >>> Software services since 1988
>> >>> Web, Database, LAMP
>> >>> www.Siteware.com
>> >>>
>> >>>
>> >>> On Mon, Sep 20, 2010 at 10:20 AM, Jean-Marc LeBlanc
>> >>> <jeanmarc.leblanc at gmail.com> wrote:
>> >>>>
>> >>>> Hey guy,
>> >>>> I been using the launch pad for about a week now.  I have not done
>> >>>> that much with it yet, but I have enough to have a few comments in
>> >>>> regards.  The first thing I will point out, is that it is not as easy
>> >>>> to use as the arduino.  The arduino has its own library that
>> >>>> simplifies allot of things.  For example if you want to write to the
>> >>>> serial port with the arduino it is only a matter of
>> serial.open(baud);
>> >>>>  serial.print()  or similar.  On the launch pad, you would need to
>> >>>> figure out how to divide your clock, set an interrupt every X number
>> >>>> of cycles and set the bit manually.  Same thing with the analog pins.
>> >>>> That being said if you have used the arduino with simply the AVR c
>> >>>> code, then this is not any thing different or if you used any other
>> >>>> similar processor.
>> >>>>
>> >>>> That being said, if you are ok with the take on programming this is a
>> >>>> great development platform.  The thing that has impressed me the most
>> >>>> is the debugger.  Normally you would need either an expensive
>> >>>> development board or some JTag.  I never ventured into JTag since it
>> >>>> looked expensive and complicated and it looked scary ( I don't know
>> if
>> >>>> it really is though).  This though, is 4.61$ and you can debug your
>> >>>> code.  you can set break points, you can see the value of you
>> >>>> variables and step threw your code.  All you need to do is hit the
>> >>>> debug button the the eclipse IDE and debug it as you would any other
>> >>>> eclipse code.
>> >>>>
>> >>>> The chip it self is not as powerful as the AVR (arduino). These 16
>> bit
>> >>>> processors, only has 2k Flash program space and 128 byte of ram.
>> >>>> Though for simple projects or drivers these are prefect.  They are
>> >>>> cheap and you can even sample some for free.  A good use for them
>> >>>> would be for sensor drivers or line drivers.  For example you could
>> >>>> have that chip read the temperature convert it to Celsius and then
>> >>>> that to your arduino (kinda like 2 threads).  I say this because they
>> >>>> have some neat features like 10 analog pins.  Another thing I like is
>> >>>> you can set an interrupt on raising or falling edges or change of any
>> >>>> digital pin.  To my understanding AVR only has 2 pins for that
>> (please
>> >>>> correct me if i am wrong).
>> >>>>
>> >>>> As for the documentation, it took me a while to find what I needed.
>> >>>> There is allot of example code with really bad comments so they are
>> >>>> not that helpful.  what I found the most helpful was the uses guide
>> >>>> with the data sheet.  I think it would be better if there were more
>> >>>> comments or explanation.
>> >>>>
>> >>>> I have managed to send data to the serial port and read my snes
>> >>>> controller.  With the new baby and wedding coming up this week end ;)
>> >>>> I have not had time yet to put them all together so that it works.  I
>> >>>> hope to have my SNES controller work on my PC by the end of the week.
>> >>>> If any one is interested in the source.  I will try to comment it as
>> >>>> much as I can so first time users will understand what is going on.
>> >>>>
>> >>>> P.S.
>> >>>> if you are worried about the small program space, my code is only 64
>> >>>> bytes and 16 bytes ram.
>> >>>>
>> >>>> Jean-Marc Le Blanc
>> >>>> ---
>> >>>>
>> >>>> "Do you pine for the nice days of Minix-1.1, when men were men and
>> >>>> wrote their own device drivers?" Linus Torvalds
>> >>>>
>> >>>> _______________________________________________
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>> >
>>
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