X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Fatmel.git;a=blobdiff_plain;f=led_plex%2Fport.asm;fp=led_plex%2Fport.asm;h=715a40280ae80e435a594a24402685748a5ea3fb;hp=aeb40f1670d7d45916e36adba3c6b0362c573a7d;hb=28f8496b45653e6db6fb3d3863f546a4b1a8b042;hpb=df18c58bb7a380fd036a88b23282eeb19a1c42a5

diff --git a/led_plex/port.asm b/led_plex/port.asm
index aeb40f1..715a402 100644
--- a/led_plex/port.asm
+++ b/led_plex/port.asm
@@ -1,14 +1,21 @@
 ; port functions
 
-GIO_PORT_INIT:
+PORT_INIT:
 
-	; port b 0-2 -> output
-	ldi tmp1,0x06
+	; port b 0-3 -> output
+	ldi tmp1,0x0f
 	out DDRB,tmp1
 
-	; zero outputs
-	ldi tmp1,0x00
-	out PORTB,tmp1
+	; g, rck, sck -> low / scl -> high
+	cbi PORTB,(1<<0)|(1<<1)|(1<<2)
+	sbi PORTB,(1<<3)
+
+	; port d 6 -> output
+	ldi tmp1,(1<<6)
+	out DDRD,tmp1
+
+	; ser -> low
+	cbi PORTD,(1<<6)
 
 	ret