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| 12:39.05 | chouimat | morning |
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| 14:28.34 | prpplague | CosmicPenguin: looks like the sdi controller on the s3c2410 and 2440 doesn't support proper irq detection from the card, so after each irq, it does two more allowing the host to poll the card registers |
| 14:34.46 | dijenerate | goodmorning all |
| 14:35.03 | wmat | https://www.sparkfun.com/commerce/product_info.php?products_id=569 |
| 14:35.08 | wmat | nice little colour LCD |
| 14:35.35 | dijenerate | prpplague: that system I mentioned a few days back (http://www.dynamism.com/vega/main.shtml) |
| 14:35.55 | dijenerate | prpplague: I have one but can't get a standard distro installed on it |
| 14:36.06 | wmat | are there any sparkfun employees here? |
| 14:36.15 | dijenerate | prpplague: it should work out of the box but I'm having probs |
| 14:36.28 | prpplague | wmat: davidc is with sfe , but he's not here at the momment |
| 14:36.32 | dijenerate | prpplague: do you happen to know anyone using one with linux? |
| 14:36.42 | wmat | prpplague: thx |
| 14:36.52 | prpplague | dijenerate: sorry no, might try the hh.o channel |
| 14:37.14 | prpplague | wmat: yea, i got 2 of those waiting to be wired up to the hammer board |
| 14:37.22 | prpplague | wmat: just been too busy with this sdio driver |
| 14:38.08 | dijenerate | prpplague: ok, thanks, it doesn't quite qualify as a hheld, because it's x86 but I'll see if anyone knows anything |
| 14:38.17 | prpplague | wmat: actually, i guess i shouldn't have said something, he doesn't want it to get out that he's working for sfe, too many trolls and wannabies will be messaging him, so keep it to yourself |
| 14:38.38 | prpplague | dijenerate: hh.o does some webpads and umpc as well |
| 14:38.51 | dijenerate | prpplague: ol |
| 14:39.03 | dijenerate | prpplague: !ok |
| 14:47.32 | wmat | prpplague: np, i was just going to point out a bad link on their homepage |
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| 16:05.00 | CosmicPenguin | Is there any way to get a path filename from an open file descriptor? |
| 16:05.51 | prpplague | CosmicPenguin: hmm, ages since i did userland, let me look |
| 16:09.42 | prpplague | CosmicPenguin: should be able to use fstat(); |
| 16:10.17 | CosmicPenguin | not accordin to my reading |
| 16:10.31 | prpplague | CosmicPenguin: doesn't fstat have the path in the struct?\ |
| 16:12.03 | prpplague | CosmicPenguin: yea you are right fstat doesn't return the path |
| 16:12.57 | prpplague | CosmicPenguin: i don't see anything that jumps out as a solution |
| 16:22.07 | CosmicPenguin | Stupid posix, be more useful |
| 16:28.08 | Exiles | try exiled |
| 16:34.00 | ds2 | Linux or Unix in general? |
| 16:35.14 | ds2 | for Linux, sprintf( foo, "/proc/fd/%i", fd ); readlink( foo, buf, buf_sz ); |
| 16:36.17 | CosmicPenguin | ew |
| 16:36.20 | CosmicPenguin | nack that |
| 16:36.37 | ds2 | IIRC, that's essentially what lsof does |
| 16:38.03 | ds2 | but in general, you are asking for a reverse of a many to one mapping and there is no general sol'n for that |
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| 18:19.11 | prpplague | ho ho hum |
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| 18:43.11 | prpplague | CosmicPenguin: hehe, got my irq's figured out, but now i've got crc problems when running in 4bit mode |
| 18:43.26 | prpplague | CosmicPenguin: was there much sdio code for the alchemy? |
| 19:12.36 | CosmicPenguin | What was the IRQ problem? |
| 19:12.47 | CosmicPenguin | no SDIO for the alchemy - that was still in the pre-public spec days |
| 19:13.34 | CosmicPenguin | That was a rats nest I was not interested in approaching |
| 19:14.27 | prpplague | CosmicPenguin: ahh |
| 19:15.17 | prpplague | CosmicPenguin: samsung has a rats nest of irq triggers, they have an option to generate a "secondary" irq to basically simulate a polled option |
| 19:15.33 | CosmicPenguin | ahh! |
| 19:15.40 | CosmicPenguin | thats just plain evil |
| 19:21.44 | prpplague | CosmicPenguin: still having trouble with the 4-bit mode |
| 19:28.28 | CosmicPenguin | 4 bit mode is tough |
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| 19:30.13 | prpplague | CosmicPenguin: i see tht |
| 19:30.26 | prpplague | CosmicPenguin: wonder if i might just stick with 1-bit mode for the momment |
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| 19:30.44 | prpplague | CosmicPenguin: and get that as stable as possible before trying more with the 4-bit mode |
| 19:35.39 | CosmicPenguin | heh |
| 19:36.44 | prpplague | CosmicPenguin: just surprised though |
| 19:37.17 | prpplague | CosmicPenguin: the only thing i can think of for the crc error is that card is expect the data in a different byte order |
| 19:37.30 | CosmicPenguin | That could be |
| 19:37.48 | CosmicPenguin | That is a problem with 4 bit |
| 19:37.57 | CosmicPenguin | Should be easy enough to switch them> |
| 19:38.25 | prpplague | CosmicPenguin: oh, so you have seen byte order issues with 4-bit xfers? |
| 19:43.26 | CosmicPenguin | me personally, no |
| 19:43.28 | CosmicPenguin | but its possible |
| 19:44.33 | prpplague | CosmicPenguin: problem is i've not see any other 4-bit sd i/o with the s3c24xx controller |
| 19:44.40 | prpplague | CosmicPenguin: it all appears to be 1-bit based |
| 19:46.29 | CosmicPenguin | maybe that is telling you something |
| 19:47.17 | prpplague | CosmicPenguin: mainly that no one has had a reason to get it working |
| 19:49.33 | prpplague | CosmicPenguin: normally in 1-bit mode the data is send [7:0]->[15:8]->[23:16]->[31:24] |
| 19:50.41 | prpplague | CosmicPenguin: i'm wondering that in 4-bit mode, it might be sent in [3:0] groups |
| 19:50.53 | prpplague | CosmicPenguin: which would change the ordering |
| 19:51.13 | prpplague | CosmicPenguin: the only way to test that is to change up the order in the code and retest |
| 19:51.28 | CosmicPenguin | shouldn't be too hard |
| 19:51.37 | CosmicPenguin | Ifdefs are your friends |
| 19:52.05 | prpplague | yea |
| 19:52.44 | prpplague | CosmicPenguin: just wondering if there is an easier way to confirm that its an ordering issue |
| 19:53.06 | CosmicPenguin | heh - datasheets? |
| 19:56.29 | prpplague | CosmicPenguin: samsung is extremely vague as to their sdi controller |
| 19:57.48 | prpplague | CosmicPenguin: i.e. samsungs sdi section is 16 pages, pxa270 sdi section is 46 |
| 19:59.45 | prpplague | CosmicPenguin: you know if it was available in the datasheet thats the first place i'd go |
| 19:59.55 | CosmicPenguin | heh yeah |
| 19:59.57 | CosmicPenguin | thats why I said it |
| 20:12.29 | prpplague | CosmicPenguin: seems there is an unresolved issue with 4-bit mode on some of the at91 socs |
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