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maemo.org - Talk (https://talk.maemo.org/index.php)
-   The Other Half (https://talk.maemo.org/forumdisplay.php?f=59)
-   -   Producing Qwerty OtherHalf --order counter: 75/75 --ordering closed (https://talk.maemo.org/showthread.php?t=91535)

Daneel 2013-12-30 20:36
Re: Building OtherHalf keyboard prototype
 
This is amazing work and you guys who donate your hard earned money as well :)
I'll try and donate few euro as well :) (wont be much though, my salary is 350 euro a month)

kimmoli 2014-01-01 17:43
Re: Building OtherHalf keyboard prototype
 
I did slip to another project, but good that the i2c probe did find your chip.

Altough offtopic;
I just got one OLED display connected to the phone

EDIT: MOVED to own thread: http://talk.maemo.org/showthread.php?t=92239

Mikkosssss 2014-01-01 18:27
Re: Building OtherHalf keyboard prototype
 
Low power screen is back?

dirkvl 2014-01-01 19:14
Re: Building OtherHalf keyboard prototype
 
Quote:
Originally Posted by kimmoli (Post 1402808)
I did slip to another project, but good that the i2c probe did find your chip.

Altough offtopic;
I just got one OLED display connected to the phone

Got also green at 0x3C:
https://lh4.googleusercontent.com/-T...0101171553.png

Modified my app a little
https://lh6.googleusercontent.com/-v...0101191722.png

and sent some text on the display
https://lh4.googleusercontent.com/-J...o/14010002.jpg
Good work! Perhaps good to put it in a separate thread with instructions?

kimmoli 2014-01-01 19:38
Re: Building OtherHalf keyboard prototype
 
Quote:
Originally Posted by dirkvl (Post 1402830)
Good work! Perhaps good to put it in a separate thread with instructions?
I will do that ----> http://talk.maemo.org/showthread.php?t=92239

dirkvl 2014-01-04 12:31
Re: Building OtherHalf keyboard prototype
 
still searching for someone to help on the software side!

Quote:
Originally Posted by kimmoli (Post 1402838)
Interface uses ioctl to talk over i2c
Code:
file=open( "/dev/i2c-1", O_RDWR )
ioctl( file, I2C_SLAVE, 0x3c)
write(file, buf, len)
Kimmo, can these commands or your program be modified to read out my chip?

The TCA8424 documentation says:

http://oi40.tinypic.com/9gy64l.jpg

kimmoli 2014-01-04 13:03
Re: Building OtherHalf keyboard prototype
 
Quote:
Originally Posted by dirkvl (Post 1403687)
Kimmoli, can these commands or your program be modified to read out my chip?
I can tweak something to view contents of input report... (for starters)

I made some googling about this, and found your good questions in various forums :)

dirkvl 2014-01-04 13:06
Re: Building OtherHalf keyboard prototype
 
Yes I have been asking around. I just don't get that when the phone was announced everyone was shouting "qwerty slider!!" and when there almost is a working prototype it becomes very silent :p

dirkvl 2014-01-04 13:30
Re: Building OtherHalf keyboard prototype
 
Quote:
Originally Posted by kimmoli (Post 1403696)
I can tweak something to view contents of input report... (for starters)
That would be awesome! The chip is still on 0x3B.

If I've read it correctly, on a keypress this should happen:

-key press
-key release
-the chip stores the most recent key press
-this is stored on input report
-the chip sends out an interrupt signal
-phone notices interrupt
-the phone uses get_report to read the input report
-phone read input report
-the interrupt signal is killed and input report is cleared by resetting the chip
-start over

Dave999 2014-01-04 13:48
Re: Building OtherHalf keyboard prototype
 
Donated. would be possible to get jolla involved in this?


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