Turl changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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<anti> I got my hands on a 14.1" CCFL TFT LCD and I have the PinOUTS!!! 18 Pins from the back of the pannel, VDD, RxIN0(+, -), RxIN1(+, -) etc... How do I pin this up to the GPIO on the BananaPi? I Would really hate to have to solder to a Flex cable... :/ Please tell me its easy...
<wens> you should look for a flex cable adapter/breakout board
<anti> I have the original cord in all its glory, can mold it to where it needs I hope, I am broke and I want bigger screen. I am quite handy... Possible to GPIO it?
<anti> There is also a strange (undocumented) 8 pin con2 that I am most curious about as well
<anti> Sorry, ltn141at02 is the module
<wens> well you can't just "GPIO" the LCD to any pin
<wens> you most certainly need to connect the data lines to the LCD output pins
<anti> I have them, is there a LCD/GPIO connection method?
<wens> for?
<wens> the module is LVDS, so you connect the LVDS lines to the LVDS pins on the board (which may or may not be available)
<wens> and the ddc pins to any i2c bus
<wens> and of course power and ground connections
<anti> LVDS, does that spread out to the Pins, or is it only on the CON1/2?
<anti> And FYI the datasheet indicates the LVDS and the DDI are the same...
<wens> DDI?
<anti> AAAhhh I see. DDI and DDC. k...
<anti> Differential Data Input.
<wens> i do not have the layout for bananapi
<wens> this is something you can check yourself
<wens> read the a20 datasheet and look for pins that have lvds, then check the bananapi layout to see if they are routed somewhere
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<anti> so lvds0-vp0 - lvds0-vp3 with a vpc (and all the vn* as well) this is more than my lvds has, it only has rxin0-2 and a clk... ignore the extra?
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<wens> probably?
<anti> My thoughts so far....
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<wens> you will also need to tweak the fex file if you're running linux-3.4
<wens> or may need to hack u-boot if you're running mainline
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<suitsmeveryfine> Hi! I'm trying to boot up an Olinuxino A20 Lime 2 using the debian image A20-OLinuXino-Lime2.sdcard.img but I get no HDMI output. What am I doing wrong?
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<mnemoc> libv: FYI nginx at maxima had logrotation enabled, but only for .log... I extended that to .err. but most of the / space was been eated by the apt cache (1.5GB!) ... apt-get autoclean frees that space
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<libv> ah
<libv> i just headed to /var/log as a first possible culprit for a server
<libv> cool, all's well then :)
<suitsmeveryfine> I also get no serial output. So I've used the 'dd' command to write the image to the microSD card. I'd really appreciate some help here.
<suitsmeveryfine> I've also tried this image: firmware.A20-OLinuXino-Lime2.img
<libv> suitsmeveryfine: have you looked at the contents of the sdcard?
<libv> i would think that the second is for fel/livesuite
<suitsmeveryfine> libv: The strage thing is that after sucessfully writing to the disk I can't read its contents
<libv> so you knew that before, but only decided to tell us about it now?
<libv> suitsmeveryfine: where did you dd to?
<suitsmeveryfine> I'm sorry but I thought this was normall u-boot behaviour
<libv> and check if there is a big _file_ in /dev/
<libv> suitsmeveryfine: u-boot sits in the first 2 mb
<libv> the rest has at least one standard partition
<libv> and you can mount that partition
<libv> s/partition/filesystem/
<suitsmeveryfine> I see. So I should expect seeing some content on the card. Well I can't mount it, only after formatting it
<libv> suitsmeveryfine: are you sure that you are dding to the right /dev/ ?
<suitsmeveryfine> yes
<suitsmeveryfine> The card, 32 GiB in size, is formatted as FAT 32. Could this be a problem?
<libv> suitsmeveryfine: dd with an image should overwrite the whole card.
<suitsmeveryfine> I've done dd many times before. It's only trying to write u-boot + debian images to this SD card that has resulted in an unmountable device
<suitsmeveryfine> 1048576 bytes transferred in 0.280879 secs (3733194 bytes/sec)
<suitsmeveryfine> libv: this is the same size as the the image itself.
<suitsmeveryfine> And again, as soon as I've written the contents to the file, the card becomes unmountable
<suitsmeveryfine> *"to the card", sorry
<libv> suitsmeveryfine: where did you get this file?
<libv> does the md5 match?
<suitsmeveryfine> These images are referred to from the Installing Debian on Allwinner guide (https://wiki.debian.org/InstallingDebianOn/Allwinner).
<suitsmeveryfine> libv: stangely, there are no md5s or similar for those images
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<libv> suitsmeveryfine: heh, you should actually go to #debian with those.
<libv> those images could be broken
<libv> and why the hell are there no md5sums
<suitsmeveryfine> libv: You're right. These are supposed to be official images
<libv> suitsmeveryfine: just do the manual build howto, and then install a standard armhf rootfs
<suitsmeveryfine> libv: I've got a working USB key with Debian 8 armhf (that is, I can see the contents in there). Maybe I can just install u-boot onto the SDcard. In that case, which image?
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<libv> suitsmeveryfine: manual build howto.
<suitsmeveryfine> In the Debian guide?
<suitsmeveryfine> OK, I see it
<suitsmeveryfine> thanks
<libv> suitsmeveryfine: this is #linux-sunxi not #debian
<suitsmeveryfine> Yes, I realized that. Sorry
<suitsmeveryfine> libv: discovered what I did wrong: two Debian images need to be concatenated into one "complete" image which should then be written to the SD card.
<suitsmeveryfine> I've completed dd and now I can see the contents of the card.
<suitsmeveryfine> Thanks for your help libv. You pointed me in the right direction by explaining that I should be able to mount the drive.
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