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TI 5$ ARM CORTEX deal - Page 4 — Parallax Forums

TI 5$ ARM CORTEX deal

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  • NWCCTVNWCCTV Posts: 3,629
    edited 2012-10-08 18:52

    :cool:



    I have two on the way but have no idea what I want to do with them. LOL

    Me too!!!! Not even sure how to program them, but at that price I could not pass it up. I am pretty sure I can get some ideas as to what to use it on here!!!! Or use it for trade when the prices go up!!!
  • HollyMinkowskiHollyMinkowski Posts: 1,398
    edited 2012-10-09 12:47
    Heater. wrote: »
    Gives me the urge to do it with the Propeller, DIP Prop with a DIP SRAM riding on top:)

    I epoxied an eeprom on top of a dip prop and carefully wired
    it up.... It was ugly but functional. I did this early on in my
    exploration of the Prop, I was a bit put off that it had no internal
    flash to store code in. I have since learned to live with it :-)

    You could also put a sm eeprom beneath a dip prop... I considered
    this, but hiding a chip seemed too silly even for me..lol
  • ercoerco Posts: 20,259
    edited 2012-10-09 12:56
    TI has this Stellaris robot for $150: https://estore.ti.com/EKC-EVALBOT-EKC-EVALBOT-Evaluation-Kit-with-CodeSourcery-Tools-P2391.aspx

    but I haven't seen any videos taking it further than the preloaded demo below. Pretty pricey for simple bump switch bot!
  • David BetzDavid Betz Posts: 14,516
    edited 2012-10-09 13:16
    Leon wrote: »
    I received my Stellaris LM4F120 LaunchPad this afternoon. I couldn't get it to work properly with the IAR tools, but it does work OK with the Rowley CrossStudio software.
    I got mine today. Are there any free tools that don't have program size restrictions?
  • Heater.Heater. Posts: 21,230
    edited 2012-10-09 13:27
    David,
    I got mine today. Are there any free tools that don't have program size restrictions?

    I'm fairly confident that good old GCC can compile any amount of code for that device, it's an ARM right?

    How you get the code downloaded to the device is another matter.

    This is why I gave up on the STM Circle 32. Code size limited and drivers for the downloader only available on Windows only. (Seems that people have figured out a way around that in the years since I bought it).

    This is why the Raspberry Pi will have shipped a million units by Christmas. Everyone is fed up with this nonsense.
  • LeonLeon Posts: 7,620
    edited 2012-10-09 13:43
  • Heater.Heater. Posts: 21,230
    edited 2012-10-09 13:56
    Leon,

    That's cool and might help resurrect the the poor thing. But having built that cross compiler and compiled my app how do I get it downloaded into the machine?
  • LeonLeon Posts: 7,620
    edited 2012-10-09 14:13
    You might be able to use GDB. TI provides the drivers.
  • RDL2004RDL2004 Posts: 2,554
    edited 2012-10-09 14:17
    According to this web page TI's Code Composer Studio "is free and fully functional when connected to the LaunchPad board"

    http://processors.wiki.ti.com/index.php/Getting_Started_with_the_Stellaris_EK-LM4F120XL_LaunchPad_Workshop

    I haven't tried it yet but I've downloaded and installed it. I'll tell you ahead of time that it's a monstrous download and will take 20-30 minutes to install (and all I installed was the MSP430 and Stellaris support, I deselected all the other TI processors).
  • David BetzDavid Betz Posts: 14,516
    edited 2012-10-09 14:19
    RDL2004 wrote: »
    According to this web page TI's Code Composer Studio "is free and fully functional when connected to the LaunchPad board"

    http://processors.wiki.ti.com/index.php/Getting_Started_with_the_Stellaris_EK-LM4F120XL_LaunchPad_Workshop

    I haven't tried it yet but I've downloaded and installed it. I'll tell you ahead of time that it's a monstrous download and will take 20-30 minutes to install (and all I installed was the MSP430 and Stellaris support, I deselected all the other TI processors).
    That is true but only for 30 days. :-(
  • RDL2004RDL2004 Posts: 2,554
    edited 2012-10-09 15:07
    Hmm, I wonder how that'll work. I mainly got it for the MSP430 and planned on using the free no time limit 16K code size restriction (which is almost irrelevant with the MSP430). Ah well, there's no telling when, if ever, I'll get around to trying the Stellaris board.
  • User NameUser Name Posts: 1,451
    edited 2012-10-09 15:30
    David Betz wrote: »
    That is true but only for 30 days. :-(

    I don't think that is true, Dave. CCS installation gave me several options. The one I chose gave full use - no time limit, no memory restriction. The only restriction on the option I selected is that it works only with particular Stellaris boards or chips (I don't recall the exact rule).

    BTW, CCS has worked perfectly with my two ARM LaunchPad boards. The very first compile finished without an error, downloaded without a hitch, and ran perfectly. It's a very trouble-free implementation of Eclipse. But, yeah, the code size of the installation would choke a horse. Fortunately I've got disk space galore. CCS is just a drop in the bucket from that perspective.
  • David BetzDavid Betz Posts: 14,516
    edited 2012-10-09 15:59
    User Name wrote: »
    I don't think that is true, Dave. CCS installation gave me several options. The one I chose gave full use - no time limit, no memory restriction. The only restriction on the option I selected is that it works only with particular Stellaris boards or chips (I don't recall the exact rule).

    BTW, CCS has worked perfectly with my two ARM LaunchPad boards. The very first compile finished without an error, downloaded without a hitch, and ran perfectly. It's a very trouble-free implementation of Eclipse. But, yeah, the code size of the installation would choke a horse. Fortunately I've got disk space galore. CCS is just a drop in the bucket from that perspective.
    Yes, there are three options. One is time limited, one is code size limited, and one is board limited. I guess the board limited one is probably the best choice. It's annoying that they don't just have an open source compiler option. Also, you have to use Windows. Ugh.
  • RDL2004RDL2004 Posts: 2,554
    edited 2012-10-09 16:04
    Skip ahead to about the 1:00 minute mark if you're impatient.

    I think it must be the third option in the licensing window. I found a couple of posts on a TI forum where TI personnel said you would need two different installs of CCS to use two different license options.
    690 x 569 - 67K
    367 x 459 - 39K
  • Bob Lawrence (VE1RLL)Bob Lawrence (VE1RLL) Posts: 1,720
    edited 2012-10-09 18:11
    My boards show up today. sure was quick delivery.

    The PDF below may help some of you get started.
    Code Composer Studio ……………………………………………………… 2-1

    http://software-dl.ti.com/trainingTTO/trainingTTO_public_sw/GSW-Stellaris-LaunchPad/StellarisLaunchPadWorkbook.pdf
  • David BetzDavid Betz Posts: 14,516
    edited 2012-10-10 18:49
    jmg wrote: »
    It is not that clear what Code Composer Studio includes, but it does have a Debugger, and an implicit compiler.

    TI have moved more to giving away CCS, at least for eval boards, and this page
    http://processors.wiki.ti.com/index.php/Stellaris_support_in_CCS

    There will not be a code size limited version (MCU Core) for Stellaris. You can use the Stellaris development kits with the free bundle license. With the free license you are restricted to using the development board that comes with the Stellaris development kits, there will be no code size limit.

    Which is a little cryptic, but as it seems the LM4F120 LaunchPad includes an external Stellaris ICDI, you can use this to debug any Stellaris target ?
    I finally got around to downloading CCS and am having some problems. If I watch the install progress window I see a bunch of "install failure" messages scroll by even though the install finally completes without any errors. Then when I start Eclipse I don't seem to have any of the TI-specific menu items. For instance, the selection under "Project" called "Import Existing CCS/CCE Eclipse Project" doesn't exist. I suppose that is because of the failed steps in the install but I don't know why they failed. I tried uninstalling and reinstalling and ran into the same problem. This is under Windows 7. Anyone know how to get past this?
  • User NameUser Name Posts: 1,451
    edited 2012-10-11 06:48
    Dave, there are several other files you need. I'll have to get on another computer to find the list...and then I'll append them to this message.

    Edit: "StellarisWare Complete" may be the missing file that is at the root of your present problem. It can be found here.
  • David BetzDavid Betz Posts: 14,516
    edited 2012-10-11 07:00
    User Name wrote: »
    Dave, there are several other files you need. I'll have to get on another computer to find the list...and then I'll append them to this message.
    Thanks! I forgot to mention in my last post that I also downloaded and installed the Stellaris tools.
  • CircuitsoftCircuitsoft Posts: 1,166
    edited 2012-10-11 16:36
    Take a look at ChibiStudio. It's an eclipse-based environment for ChibiOS which is an RTOS with support for many ARM chips, and it comes with the toolchain.
  • NWCCTVNWCCTV Posts: 3,629
    edited 2012-12-17 18:00
    Finally!!!! I ordered 2 of these way back in October. I actually had forgotten about them until last week. The day after I remembered them I received an email saying they would ship on 12/14/2012. To my amazement they showed up today. Now, my touchscreen monitors I ordered here: SOLD/Shipped 1 of McTrivia's Propmodule LCD Touch breakout and 2 "like-new" 4.3" Touchscreen displays, $20 . also showed up today!!!!

    So here lyes my dilemma. Does anyone know how to integrate the touchscreens with the Stellaris boards? Schmatics and software links would be a huge help. Thanks all.
  • TorTor Posts: 2,010
    edited 2012-12-18 02:24
    I received my two boards last week, one day I got a text message which said a FedEx package was just about to be loaded on a car.. so an hour later I walked down to the reception area and just then a guy with a FedEx box entered the building.

    The boards are still sitting on my desk though, too busy to start anything right now (it'll have to queue behind some other projects). I'll follow what any of you other guys can dig up though, particularly about how to use that touch screen - it had occurred to me as well.

    -Tor
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