| 01:15 | Morethink | joined the channel |
| 01:15 | Morethink | Morning!
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| 01:25 | Morethink | I have reviwed most all of materials on github. Thanks a lot for friends of Apertus team. I think I can do something in embeded area. Anyone can send me the schedule of Apertus,especailly Schematic,PCB ,C programing and FPGA(EDK only)?
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| 01:32 | Bertl | sounds good, do you have access to a microzed?
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| 01:35 | Morethink | No, I used ZEDboard only.
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| 01:37 | Bertl | well, they are reasonably similar, but Beta will use the microzed as platform, so access to that would be definitely beneficial
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| 01:37 | Bertl | do you have experience in linux driver development?
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| 01:39 | Morethink | linux driver?
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| 01:39 | Bertl | device driver for the linux kernel
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| 01:42 | Morethink | I tested linux GPIO driver on ARM .I think I can do it.
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| 01:43 | Morethink | But I never make a really linux product driver
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| 01:43 | Bertl | well, do you like a challenge? :)
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| 01:44 | Bertl | we just finished the dual micro SD hardware and it requires kenel support to become really useable
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| 01:44 | Morethink | of course! I like challenge.
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| 01:45 | Bertl | basically it works already with the existing SD driver, so there is a good start, but it needs support for switching between the two cards
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| 01:45 | Bertl | and it would be really great to handle that transparently
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| 01:49 | Morethink | Let me start apterus from cards drivers
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| 01:51 | Morethink | Is there a specifaction or function description?
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| 01:51 | Bertl | a schematic of the latest version can be found here http://vserver.13thfloor.at/Stuff/AXIOM/BETA/microzed_sd/microzed_sd_v0.5_r1.1.pdf
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| 01:52 | Bertl | the external SD interface works basically identical to the internal SD, via the hardened zynq SD controller
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| 01:53 | Bertl | what we added on the external interface is an SD switch/level converter similar to the one already used on microzed/zedboard and some other devices on the I2C bus to do the switching
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| 01:53 | Bertl | (and a fan controller too)
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| 01:54 | Bertl | everything is interfaced via the PS PMOD port, on the zedboard that is port E
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| 01:56 | Bertl | for the specification: transparent switching would mean that the driver creates two fully functional mmc devices for userspace and interleaves the access to each card based on the requests
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| 01:57 | Bertl | i.e. if you access the first device, it ensures that the first card is selected before sending any commands and if the second device is accessed, it does the same for the second card
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| 01:57 | Bertl | the actual hardware access needs to use a semaphore machanism to prevent concurrent access, but otherwise it should be straigth forward
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| 02:02 | Morethink | Ok,I will make detail specification acordding to these infomation to confirm all of the fuctions.Then I will start make driver.
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| 02:03 | Morethink | Can you send me the pdf to my Email: *email address removed*? I can not access the web site.
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| 02:04 | Bertl | sure, no problem
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| 02:06 | Bertl | do not hesitate if anything is unclear
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| 02:06 | Bertl | *hesitate to ask
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| 02:09 | Morethink | OK
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| 02:09 | Morethink | thanks,Bertl
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| 02:10 | Bertl | you're welcome!
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| 02:14 | Morethink | received pdf.
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| 02:14 | TiN | changed nick to: _TiN_
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| 02:14 | Bertl | excellent! do you have an idea what blocks your access to my site?
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| 02:17 | Morethink | Don't know yet. Maybe the company network forbidden some IP. I will try to access it in my home networks tonight.
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| 02:18 | Bertl | ah, okay, thanks!
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| 02:18 | Morethink | Welcome
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| 02:22 | Morethink | will Apertus use SD card as a video storge?
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| 02:23 | Bertl | not for video, the bandwidth would be too small, but for still images and similar
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| 02:24 | Bertl | the SD interfaces maxes out at 50MB/s which is by a magnitude small as what is required for proper raw recording
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| 02:31 | Morethink | still image is the first step of Apertus,isn't it?
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| 02:32 | Bertl | yes, that was the first step for alpha, and it will be the first step for beta
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| 02:32 | Morethink | OK
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| 02:32 | Bertl | but in general, some folks are more interested in high quality still images than in moving pictures :)
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| 02:32 | Morethink | I will try my best
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| 07:34 | Bertl | off to bed now ... have a good one everyone!
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| 07:46 | Morethink | Good night ,Bertl.
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| 13:38 | Bertl | morning folks!
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| 22:06 | se6astian | time for bed
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| 22:06 | se6astian | good night
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| 00:29 | Topic | apertus° - open source cinema | www.apertus.org | Currently Hot: AXIOM Beta https://apertus.org/axiom-beta | IRC Logs available at: http://irc.apertus.org
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| 00:29 | se6astian | has set the topic |
| 00:38 | _TiN_ | changed nick to: TiN
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