From: Olivier Matz <zer0@droids-corp.org>
Date: Thu, 3 Oct 2013 18:08:24 +0000 (+0200)
Subject: use pullup for input to avoid noise
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=e8dc3448b547f715e33f62ae690a9408b4e90a70;hp=7113aed0018e08706cf5fbfeb58a96ba87a84ef4;p=protos%2Frc_servos.git

use pullup for input to avoid noise
---

diff --git a/main.c b/main.c
index 5849b8b..3509874 100644
--- a/main.c
+++ b/main.c
@@ -160,6 +160,9 @@ int main(void)
 	uint8_t t, diff;
 	uint8_t tmp;
 
+	/* use pull-up for inputs */
+	PORTC |= 0x3f;
+
 	/* LED */
 	DDRB = 0x02;