Hello everybody,
I bought an A20 tablet which doesn't seems to be listed in the wiki device
list, I would be happy to contribute in any way to provide all the
information about it, I took some PCB pictures, I started to list all the
chip inside.
At this point I can boot linux on it thank to
Hi,
I made a free(GPL) graphical tool to view and extract symbols or sections
of an elf file. It may be useful for android firmware extraction(from
kernel drivers) and other stuff. I hope it would help somebody. Feedback
and contribution are welcome.
Hi,
You can do it with readelf and dd, it's not straight forward, you need to
find the symbol offset(table offset + symbol ofset) and size in the file
then you dump it with dd.
I made a graphical tool to make this easier:
https://hephaistos.lpp.polytechnique.fr/redmine/projects/execut/wiki
You
I received one answer by mail, init of lcd screen is done by u-boot, I
found useful informations by looking in u-boot/configs/ folder and with
some grep and looking tablets defconfig files. At least it works on my
no-name a20 tablet I will try later on lime2, I didn't received the lcd
cable
Hi,
I wonder if I can and how to use a olinuxino lime 2 on LCD(via LVDS) with
mainline kernel. I'm using fedora since it shows a good upstream policy(I
feel) and I use it everywhere.
From what I understand, for now u-boot is supposed to init the screen and
then kernel just use simple-fb, is it
Hi Andrea,
Thank you for your answer, I also got one from code keeper with a link to
his git repo here.
https://github.com/codekipper/linux-sunxi/commits/audio_mainlining
After some tweaks(uboot scripts and kernel config for systemd) I
successfully booted his kernel.
Now I need to do some
>
>
> Hi Jon,
As far as I know FPC connectors are single side.
Alexis.
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Hi Jon,
On Monday, October 5, 2015 at 12:19:50 AM UTC+2, Jon Smirl wrote:
>
> On Sun, Oct 4, 2015 at 6:14 PM, jons...@gmail.com <
> jons...@gmail.com > wrote:
> > On Sun, Oct 4, 2015 at 4:26 AM, Alexis Jeandet <alexis@gmail.com
> > wrote:
> >>
>
Hi Rock Slate,
On Sunday, October 4, 2015 at 12:31:50 PM UTC+2, Rock Slate wrote:
>
> Hi Alexis,
>
> I am working on something extremely similar. What are you trying to do
> with FPGA ?
>
>
>>>
In my lab we plan to develop a kind of tablet with a A20 and a FPGA. Then
this tablet would be used
Now I2C works :), I can see 2 sound cards in /proc/asound,
Here is the output of sudo aplay -l :
List of PLAYBACK Hardware Devices
card 0: sunxicodec [sunxi-codec], device 0: CDC PCM Codec-0 []
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: sunxii2sdaiuda1
Hi Hans,
Thanks for your answer, I saw this after, it wasn't clear to me since no
dts file use it. I will use it with TS from olimex which is resistive.
Once again I'm really impressed by the sunxi mainlining effort, it's far
better than exynos chips...
Best regards,
Alexis.
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One other mistake I did, the kernel need Event interface in input section,
it wasn't enabled.
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Hi Andrea,
Good news! I can hear some sounds :). After some discussions with Marcus
I've checked I2S pins with logic analyser, the data where at the output but
really fast (340kS/s). I decided to replace the I2S driver from Marcus
https://github.com/codekipper/linux-sunxi repo with your
Hi Andrea,
Indeed my song is mono, so that may explain the issue.
I also continued to investigate the code from Marcus, which if I understood
correctly, is based on your code. I got some successful results also with
this code. I think that Marcus wanted to merge the two structures sunxi_priv
Ok thanks for your answer, I don't any screen yet(I'm still waiting for the
lime LCD ribbon) so I will play with alsa mixer later. For now I think it
may be interesting to play in userspace with i2c and try to speak with the
UDA, at least to see if it behaves as expected.
I also have a DSLogic
, Andrea Venturi wrote:
>
>
>
> Il giorno domenica 30 agosto 2015 13:55:14 UTC+2, Alexis Jeandet ha
> scritto:
>>
>> Hi Andrea,
>>
>> Indeed my song is mono, so that may explain the issue.
>>
>>
> ok
>
>
>> I also continued to inv
On Monday, August 31, 2015 at 9:38:29 PM UTC+2, CodeKipper wrote:
>
> On 31 August 2015 at 08:31, Andrea Venturi <ennesim...@gmail.com
> > wrote:
> >
> >
> > Il giorno domenica 30 agosto 2015 13:55:14 UTC+2, Alexis Jeandet ha
> scritto:
> >>
Hi,
On Saturday, October 3, 2015 at 1:39:55 PM UTC+2, Jon Smirl wrote:
>
> On Sat, Oct 3, 2015 at 3:53 AM, Rock Slate > wrote:
> > Wow, that's a really detailed response. Thanks a lot for the pointers. I
> > will definitely look into this and will let you know as I
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