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I am following the document Getting Started With the Stellaris EK-LM4F120XL LaunchPad Workshop (September 2012 – Revision 1.00 Initial release) to try out the LM4F120 board I received recently. On page 2-9 (page 40 of the PDF file), it instructs to use the folder C:\StellarisWare\boards\MyLaunchPadBoard\Lab2\ccs, but in the actual installation folder, there is no such sub-folder. There is a folder ek-lm4f120xl, and it contains various projects (bitband, blinky, etc), but no folder specifically named Lab2?
Also, on the previous page, there is the following text:
"When the “TI Resource Explorer” and/or “Grace” windows appear, close their tabs. At this time these tools only support the MSP430."
Is this a typo? If not, not sure what it means.
have you installed the lab software? Do you have the latest stellarisware version?
Have a look at these two wikis (with links to further information and the labs. Yes, Grace is an MSP430 specific tool.
Please keep us informed.
In reply to Lisa TI:
> have you installed the lab software? Do you have the latest stellarisware version?
Yes on both counts. I have since downloaded a new version of the PDF (revision 1.01 dated October 2012) but the discrepancy in Lab 2 w/ the folder structure in StellarisWare still exists. I have version 9453 of StellarisWare installed. I have since also downloaded the CCS version of StellarisWare (EK-LM4F120XL-CCS-733) from here. I looked into its contents, but its "boards" folder does not contain the Lab2/ccs examples either.
I also left a note in the wiki here for this.
Lisa, good to have you here, you always respond, makes newcomers welcome, thank you.
In reply to Toddintr:
no problem, that is what we are here for!! I am going to see if I can reproduce the issue here. I may have to ask for a couple days patience as it is the weekend and tomorrow is a public holiday here .... but I will do what I can.
Thanks Lisa. I can now be more specific about the problem: When I create the Lab 2 project (using New CCS Project...), there is no startup_ccs.c file created by CCS as part of the project (or any other file except the empty main.c). I have followed the "Getting Started with the Stellaris EK-LM4F120XL LaunchPad Workshop" workbook pretty much to the letter.
No problem, will wait for your response. I am able to experiment with prebuilt bin files delivered and I can flash them successfully to the board.
can you confirm you have specifically installed the workshop/lab? (first link below) I found I needed both Starterware and the workshop (which gave me the lab files) installed. I am going to continue trying this out but at least I found the lab and .c files.
just thought I would check for any updates and whether the tips helped.
With your help which verified the comments left by Notsane at the wiki page, I got Lab 2 to run! ;-)
What is confusing to a newcomer to the Eclipse (CCS) environment is that when a file is added to a folder (in this case startup_ccs.c), it is automatically displayed (as opposed to Microsoft Visual Studio behavior). Once past this stumbling block, I got the project to build.
Please note that I did get the following error on my initial attempts to run:
cortex_m4_0 error connecting to the target
There were two variants of this error that I received:
1) Timed out while waiting for target powerup/polling a hardware resource
2) Frequency is out of range
These caused CCS to crash.
I checked my Device Manager (Win 7) and all three TI-related entries were good (no yellow exclamation marks).
I changed USB ports (I was using a powered hub, switched to one directly on the main board). The error continued for couple times, but upon restarting CCS it went away by itself.
I was then able to run/pause the code.
(PS: Google search for the above error currently shows 36 results.)
Thank you for your help, much appreciated.
happy to hear and thanks for the update.
All the best with development,
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