X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Fbuttons.c;h=15298a36e2772b9d0b573ea0a200f261d22aaf37;hp=ba76f8db90d59a87c2b06076c098256c6d595908;hb=f67e07f664916d773bc0be3d3eada848fbaaf814;hpb=60432148802391c2ba390e9c56f999514653c969

diff --git a/betty/buttons.c b/betty/buttons.c
index ba76f8d..15298a3 100644
--- a/betty/buttons.c
+++ b/betty/buttons.c
@@ -26,6 +26,8 @@ void button_init(void) {
 	PINSEL0&=~((1<<27)|(1<<26));	// p0.13
 	// ctrl databus for p2.18 - p2.24
 	PINSEL2&=(PINSEL2&(~((1<<5)|(1<<4))))|(1<<4);
+	// ctrl addr bus for p3.20, p3.21
+	PINSEL2=(PINSEL2&(~((1<<27)|(1<<26)|(1<<25))))|(1<<27)|(1<<26);
 	// input
 	IODIR0&=~((1<<30)|(1<<28)|(1<<27)|(1<<22)|(1<<13));
 	IODIR3&=~((1<<21)|(1<<20));