[Lab] Launch pad
darcy at siteware.com
Mon Sep 20 12:27:12 EDT 2010
I tried it earlier to order 4 for experimenting but it gave 404 after I
tried to check out. No link was given so I'm not sure I was at the right
place for ordering. Is that a good place for ordering them?
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.
> 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>
> >> The Launch Pad thing is less than $5?
> >> My arduino was around 30 bucks assembled.
> >> Wow! Your baby's already getting married?
> >> --
> >> Darcy Whyte
> >> Darcy at Siteware.com
> >> 613-563-3634
> >> Ottawa, Canada | N 45° 25'03.1" W 75° 42'21.4"
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> >> Social Media, Interaction, SEO
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> >> www.Siteware.com
> >> On Mon, Sep 20, 2010 at 10:20 AM, Jean-Marc LeBlanc
> >> <jeanmarc.leblanc at gmail.com> wrote:
> >>> Hey guy,
> >>> I been using the launch pad for about a week now. I have not done
> >>> that much with it yet, but I have enough to have a few comments in
> >>> regards. The first thing I will point out, is that it is not as easy
> >>> to use as the arduino. The arduino has its own library that
> >>> simplifies allot of things. For example if you want to write to the
> >>> serial port with the arduino it is only a matter of serial.open(baud);
> >>> serial.print() or similar. On the launch pad, you would need to
> >>> figure out how to divide your clock, set an interrupt every X number
> >>> of cycles and set the bit manually. Same thing with the analog pins.
> >>> That being said if you have used the arduino with simply the AVR c
> >>> code, then this is not any thing different or if you used any other
> >>> similar processor.
> >>> That being said, if you are ok with the take on programming this is a
> >>> great development platform. The thing that has impressed me the most
> >>> is the debugger. Normally you would need either an expensive
> >>> development board or some JTag. I never ventured into JTag since it
> >>> looked expensive and complicated and it looked scary ( I don't know if
> >>> it really is though). This though, is 4.61$ 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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