tudattr
/
qmk_firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Updated FAQ (markdown)

master
tmk 2014-03-03 17:16:27 -08:00
parent f893628865
commit 4464a288a1
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
FAQ.md
View File

@ -64,3 +64,10 @@ Without reset circuit you will have inconsistent reuslt due to improper initiali
- http://geekhack.org/index.php?topic=50176.msg1127447#msg1127447 - http://geekhack.org/index.php?topic=50176.msg1127447#msg1127447
- http://www.mikrocontroller.net/attachment/52583/tpm754.pdf - http://www.mikrocontroller.net/attachment/52583/tpm754.pdf
## Can't read comlumn of matrix beyond 16
Use `1UL<<16` intead of `1<<16` in `read_cols()` in **matrix.h** when your columns goes beyond 16.
In C `1` means one of int type which is 16bit in case of AVR so you can't shift left more than 15. You will get unexpected `0` when you say `1<<16`.
http://deskthority.net/workshop-f7/rebuilding-and-redesigning-a-classic-thinkpad-keyboard-t6181-60.html#p146279