I would recommend learning the DMA, becuase the process it will take you to get it working will give you such an insight into how SPI should work. ... ...
51526
Peter Johansson
rockets4kids
Feb 14, 2013 5:39 pm
... This is correct only for the first generation G2 series parts. The 2533 (third generation G2) has factory calibration data for 1, 8, 12, and 16 MHz. I am...
51527
distantship101
Feb 14, 2013 6:24 pm
Hi, In IAR, with the following code (full code of a test case at end of message) struct ab { unsigned short a; unsigned short b; }; struct ab T[4] = { {1,2},...
51528
Redd, Emmett R
emmettredd
Feb 14, 2013 6:27 pm
I am pretty sure that the MSP430 is Little Endian. Emmett Redd, Ph.D., Professor mailto:EmmettRedd@... Physics, Astronomy, and Materials Science...
51529
distantship101
Feb 14, 2013 6:41 pm
Yes, and the least-significant byte (01) is indeed at the lower address....
51530
Onestone
onestone_apc
Feb 14, 2013 6:46 pm
Correct on the interrupts. And thanks for the tip on the newer G2 parts. I must admit I have only tinkered with my Launchpad, which is an old one, and haven't...
51531
Onestone
onestone_apc
Feb 14, 2013 6:49 pm
American Endian or Asian? Al...
51532
Yuriy's Toys
ycroosh
Feb 14, 2013 7:31 pm
Al, Thank you very much for a detailed write-up. This gives me a good starting point. Thank you much Yuriy...
51533
Yuriy's Toys
ycroosh
Feb 14, 2013 7:38 pm
Raffuj, How would I deal with having three masters talking to one slave? Jake, I haven't thought of DMA. Sounds like I'll be getting a good learning experience...
51534
Onestone
onestone_apc
Feb 14, 2013 7:57 pm
The launchpad parts (MSP430) don't have DMA, or didn't last time I looked. Also the DMA on the MSP430 has just 3 channels, and, although some of the larger...
51535
Peter Johansson
rockets4kids
Feb 14, 2013 8:18 pm
... Are you sure about this? It is my understanding that the G2 parts do have a very rudimentary DMA scheme which can be used to store things like ADC samples...
51536
Onestone
onestone_apc
Feb 14, 2013 9:08 pm
Peter I don't profess to be the font of all knowledge, and certainly I haven't done a whole heap with the G series, however none of the data sheets for any of...
51537
Redd, Emmett R
emmettredd
Feb 14, 2013 9:14 pm
I think the original Endian was discovered by some British traveler. And, this subject is probably appropriate for discussion on Yahoo.com. Emmett Redd,...
51538
Peter Johansson
rockets4kids
Feb 14, 2013 9:15 pm
... That could be what I was thinking of. I wonder if the FLASH module actually has it's own low-level DMA type thing as well which I was also confusing with...
51539
Paul Curtis
paul_l_curtis
Feb 14, 2013 9:17 pm
... Indeed, us Brits are known for our travelling escapades! I consider myself endian-neutral because I like my eggs scrambled, and served wet, on toast. ...
51540
Onestone
onestone_apc
Feb 14, 2013 9:20 pm
Not that I'm aware of, but under the hood who knows? Al...
51541
Jon Kirwan
jondkirwan
Feb 15, 2013 1:16 am
... Ughh. And here I'm still trying to get over visualizing Brits eating Marmite. Now I'm imagining still-wet eggs and marmite on toast.. shudder... Jon...
51542
Onestone
onestone_apc
Feb 15, 2013 2:19 am
Bovril came before Marmite, although it's more a beef extract than Yeast, and is certainly better tasting. Can't have football (real football) in scotland...
51543
David McMinn
david_mcminn
Feb 15, 2013 9:09 am
... [snip] ... What version of IAR are you using and what settings do you have? Your test code works as expected here (5.40.7, target 249, optimisations off, ...
51544
distantship101
Feb 15, 2013 2:00 pm
... Hi David, and thanks for taking the time to try my test case, which turned out to be to simple to exhibit the problem. I'm using an older version : IAR...
51545
Jake G
thecavepeanut
Feb 15, 2013 4:52 pm
I realized that too right after I sent the approval of learning the DMA. It really is too bad though, because I think setting up a functional DMA is one of...
51546
Anders Lindgren
rdogs_maint
Feb 18, 2013 8:19 am
... Hi! It is the library that is does things incorrectly. If a module populates the segment DATA16_I, it *must* also populate the DATA16_ID segment. This...
51547
Hugo Brunert
hug.me_2
Feb 18, 2013 12:13 pm
Are you a lilliputian? From: msp430@yahoogroups.com [mailto:msp430@yahoogroups.com] On Behalf Of Paul Curtis Sent: Thursday, February 14, 2013 4:18 PM To:...
51548
distantship101
Feb 18, 2013 12:37 pm
Hi Anders, and thanks for your reply ! Patrick...
51549
Nick Alexeev
kender_a
Feb 19, 2013 11:12 pm
Colleagues, I can't seem to make the printf() to work through Spy-Bi-Wire (SBW) in CCStudio. The program execution just hangs, when it gets to printf(). My...
51550
Jake G
thecavepeanut
Feb 20, 2013 4:02 pm
... Try turning the printf() from minimal to full or what ever the max is and try again....
51551
Nick Alexeev
kender_a
Feb 22, 2013 2:33 am
At one point, I though that there's a problem with me CCStudio installation. Initially, I've installed 5.3 on top of 4. I've installed CCStudio 5.3 on...
51552
decatodd
Feb 22, 2013 8:41 am
So I have a spiffy new wireless sensing node built on an F2419. Now my thoughts turn to updating the device's firmware over the radio link (FOTA). I'd sure...
51553
Paul Curtis
paul_l_curtis
Feb 22, 2013 8:59 am
Todd, ... Compression ratio varies by a number of factors: 1. Entropy of the message sent (see Shannon theory) 2. The compression scheme selected 3. Usually, a...
51554
Mike Wirth
mcwirth67
Feb 22, 2013 11:02 pm
How about generating a diff between the two versions and shipping that? Bet that there are long sequences of identical bits. Of course, you'll want to have...
