rtcwake on Kobo?

[Lucas Malor]

I think you can send a code to /dev/input/event# to simulate the power button press.

[z000ao8q]

Originally Posted by sven

If I understand correctly, he tries not only to suspend the Kobo but also to wake it up automatically.
Do you have a /sys/class/rtc/rtc0 directory and a wakealarm file on your Glo?

correctly. sleeping the device works perfectly with e.g.

echo 1 > /sys/power/state-extended
echo mem > /sys/power/state

but getting it automatically up to execute a cron job - thats the challenge :-)

[Lucas Malor]

For what I've understood, rtcwake can't work:
http://www.openstora.com/phpBB3/view...php?f=6&t=1732

I think you can sleep anything but the cpu... or do a physical timer, maybe a charger with a socket timer, using acpid to listen to the USB event.

Or you could train a monkey.

[Grunge]

Nice thread, I try to do something similar.
I work for a school and we have paper printed schedules outside of the rooms. For the big rooms i would like to have a kobo like deivce that refreshs every hour or so, showing the schedule from a google like calendar page.
The kobo is just a prototype for me, alternative i could also be a nook or even a raspi with some extra display.

so my goal is:
- boot/wake up by timer
- switch wifi on
- read the webpage, save it to picture (CutyCapt)
-wifi off
- show the picture of the webpage (direct frambuffer)
- sleep/shutdown

what i have done yet: nothing.
My Kobo arrived a few weeks ago when i was on holiday... my apprentice tried then to downgrade it (wrong anyway) and since then its broken. But next week i will get a second one and i will start from zero at my own.

so i should probably start with setting up a cross-compiler environment now. any suggestions for me?

Greetings
Grunge

[z000ao8q]

Originally Posted by Lucas Malor

For what I've understood, rtcwake can't work:
http://www.openstora.com/phpBB3/view...php?f=6&t=1732

yes and no. according to Sven, it works for the old Touch model https://www.mobileread.com/forums/sho...=182891&page=2

[Lucas Malor]

Probably you have to download/compile and install rtc-cmos module?
http://www.mythtv.org/wiki/ACPI_Wake...c0.2Fwakealarm

[PeterT]

Why not just look at the actual kernel source as used by Kobo? Download the whole kiot and kaboodle from https://github.com/kobolabs/Kobo-Reader and look at the various sections in the hw folder?

[z000ao8q]

I guess i am missing the skills for both of the replies.
at least this from the link does not work:

[root@(none) log]# modprobe rtc-cmos
modprobe: module 'rtc_cmos' not found

[z000ao8q]

*double post*

[Lucas Malor]

Maybe rtc-cmos is built into the kernel. Indeed inside the source on git kobo have a rtc-cmos.c.

[z000ao8q]

Is this a firmware-thing - or a kernel thing?

Sven has a N705 Touch with Kernel 2.6.35.3-568 and firmware 1.9.17 - here it works.
I am running a N905 mini with kernel 2.6.35.3-850 and firmware 2.5.

could I downgrade the firmware or would this not make any difference?

[Lucas Malor]

I don't really know... but I think it's more simple to do a little C program. You could ask some help to yoq.

[z000ao8q]

Hello all,
next input :-)
I got the config.gz from Sven´s Touch (where wakealarm is working) and compared it to my mini config.gz.
config_own.xls

the differences are outlined in the attached file - where the yellow ones are the only differences that matter.

can someone have a look if he finds anything that could explain it?

[z000ao8q]

is it possible to downgrade the firmeware/kernel to the version that e.g. works for Sven?

It seems that I don´t get any further here. the wakealarm is missing and I would not know how to patch/recompile the kernel in this area

[Lucas Malor]

https://www.mobileread.com/forums/sho...20#post2514020