| 01:00.18 | [Solaris] | how many layers is the hawkboard pcb? |
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| 12:26.57 | napster | eFfeM, virals Fixed it using nand erase :) Board is now booting to nand |
| 12:34.32 | eFfeM | cool! |
| 12:35.13 | eFfeM | nand erase is a little bit risky, if you do it wrong you erase u-boot and end up with moreproblems than you started with |
| 12:40.53 | chroos | eFfeM do you know how to get ram working ? |
| 12:47.02 | eFfeM | get ram working ?? i think the ram works out of the box :-) |
| 13:21.31 | chroos | eFfeM i try to run my own code without os |
| 13:21.51 | chroos | i have everything working, but i get only 40kb of ram instead of 64mb |
| 13:22.11 | chroos | or better.. after 40kb i can allocate any new memory.. |
| 13:22.32 | chroos | but i can write and load from it, by writing into the rams adresses.. |
| 13:23.03 | chroos | only the crt seems to have some configuration, that does not allow more |
| 13:24.17 | eFfeM | chroos if you do not use an os, i'm afraid I cannot really help you |
| 13:24.40 | chroos | i wonder how i can find those people who ported the os'es to omap-l138 |
| 13:24.52 | eFfeM | but i suspect soemwhere in your crts.s or whatever the name is you configure the memory limit |
| 13:25.09 | eFfeM | chroos: mailin glist ? |
| 13:25.18 | eFfeM | mailing list |
| 13:25.41 | chroos | yes.. i havent tried those ;) |
| 13:26.06 | eFfeM | basically u-boot initialises the memory controller, the mmu is not active yet, so in a prog you should be able to use all mem |
| 13:26.26 | chroos | i dont run uboot ;) |
| 13:26.42 | chroos | i had that great idea to do everything by myself ;) |
| 13:27.14 | eFfeM | but if you can read and write to the mem addresses but not alloc in your prog, i expect that your compiler just is not told how much mem is available and then you get some default |
| 13:27.29 | eFfeM | chroos: ah, ok, you have an interesting time ahead of you :-) |
| 13:28.06 | chroos | well.. i have it behind me ;9 |
| 13:28.30 | chroos | except of this ram problem, i have basicly everything on the arm side running |
| 13:28.49 | eFfeM | cool |
| 13:29.34 | chroos | took me my whole holidays ;9 |
| 13:30.09 | eFfeM | how much holiday do you have ???? |
| 13:30.19 | chroos | 1.5month |
| 13:30.51 | chroos | but i did other stuff in that time too ;9 |
| 13:31.21 | chroos | and i started 10th february or something |
| 13:31.24 | eFfeM | ah ok |
| 13:32.06 | chroos | but i did other stuff too... like building some os-like threading structure and the man applikation ;9 |
| 13:32.40 | chroos | i hope the dsp side will go much faster.. |
| 13:32.52 | chroos | casue i can debug the dsp |
| 13:32.55 | eFfeM | you made some nice progress |
| 13:33.14 | eFfeM | my dsp experience is nil, still want to dig into it |
| 13:33.36 | chroos | i did dsp only on x86 |
| 13:33.43 | chroos | and theoretical |
| 13:34.50 | chroos | but i think with the omap-l138 this should not be that much difference.. |
| 13:35.10 | eFfeM | guess not |
| 13:35.14 | chroos | i can calculate in floating point and has builtin multiplicators and a nice pipelining |
| 13:35.43 | eFfeM | what do you eventually want to do? process audio ? |
| 13:35.50 | chroos | yes |
| 13:36.59 | chroos | and maybe some image processing... |
| 13:37.27 | chroos | but the application now is a synthesizer with builtin sequencer |
| 13:38.04 | chroos | iwth the fact, i can only have 40kb long notelists |
| 13:38.05 | chroos | ;) |
| 13:38.56 | chroos | ..its really hard to find someone, who actually does not use linux on this decive... |
| 13:39.11 | chroos | was was on embedded world last week and told to some guy from ti... |
| 13:39.19 | chroos | they didt give me support, too ;) |
| 13:39.28 | chroos | its really strange.. |
| 13:39.52 | chroos | i think if they would support lowlevel programming, there would much more omap users |
| 13:40.35 | chroos | but that marketing as small pc is not that good... |
| 13:40.48 | chroos | (in my opinion... but it seems to work for them) |
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| 13:55.44 | eFfeM | well not sure how they position the hawk, but beagle seems more towards handhelds and perhaps phones, actually seems ipad has a 3530 variant too |
| 13:55.47 | eFfeM | btw was afk |
| 13:56.07 | chroos | yes |
| 13:56.24 | eFfeM | most people I know want to run a linux os on it and probably do not use the dsp at all |
| 13:56.27 | eFfeM | at least on beagle |
| 13:56.40 | eFfeM | they see it as just a cheap linux platform |
| 13:56.51 | chroos | yes but its much more;) |
| 13:57.04 | chroos | and it wouldne be any problem for ti to provide some c programming library |
| 13:58.00 | chroos | but that way i learned a lot.. |
| 13:58.23 | chroos | this is better as gettng a c library to use ;) |
| 13:58.54 | chroos | normally i tell my compiler with -heap how big my usable memory is, right? |
| 13:59.16 | eFfeM | well under linux it can just alloc from the mem pool |
| 13:59.37 | chroos | yes |
| 13:59.47 | eFfeM | on bare metal apps it often is a compiler option, not sure if that is -heap (actually don't know what c compiler you use |
| 14:00.07 | eFfeM | guess you need to study the crts code and the alloc code. |
| 14:00.16 | chroos | i use the tms470 suite inside code composer tudio |
| 14:00.21 | eFfeM | often they put the stack at one end and the heap at the other side |
| 14:00.35 | chroos | well i made it everything by myself |
| 14:00.47 | chroos | but i gave the heap 10mb and the stack 10mb too |
| 14:00.59 | eFfeM | seems quite enough |
| 14:01.19 | chroos | but after something around 40kb i dont get new memory from malloc back |
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| 20:05.15 | cmurillo | test |
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