From e6423f50a484daab94f6f6a7820722a9934f4bd2 Mon Sep 17 00:00:00 2001 From: abjr Date: Tue, 29 Dec 2015 17:05:50 -0500 Subject: Updated FAQ (markdown) --- FAQ.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/FAQ.md b/FAQ.md index 741361a6c..f7ec5399e 100644 --- a/FAQ.md +++ b/FAQ.md @@ -72,8 +72,8 @@ Without reset circuit you will have inconsistent reuslt due to improper initiali - 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. +## Can't read column of matrix beyond 16 +Use `1UL<<16` instead 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 zero when you say `1<<16`. You have to use **unsigned long** type with `1UL`. -- cgit v1.2.3-24-g4f1b