X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=led_plex%2Fmain.asm;h=b27f65ffef75ef487e4f37f33ec5c951209a28b3;hb=1ae3689334b273952e70ebbde465caa68fd14efd;hp=cfa8c2ec9e223d17ce6b97188fd878629ac08a56;hpb=76492de1fddc432eb4bf67df8cec93e00641eb78;p=my-code%2Fatmel.git

diff --git a/led_plex/main.asm b/led_plex/main.asm
index cfa8c2e..b27f65f 100644
--- a/led_plex/main.asm
+++ b/led_plex/main.asm
@@ -1,5 +1,7 @@
 ; main file of led_plex project
 ;
+; schematics: http://hackdaworld.org/download/led_plex/led_plex.png
+;
 ; author: hackbard@hackdaworld.org
 ;
 
@@ -10,6 +12,8 @@
 .def	tmp1		= r16
 .def	tmp2		= r17
 .def	uart_rxtx	= r18
+.def	hc595_sink	= r19
+.def	hc595_source	= r20
 
 ;
 ; interrupts
@@ -31,13 +35,13 @@ reti
 reti
 
 ; T1 OVF1
-rjmp T1_OVF1
+rjmp T1_OVF
 
 ; T0 OVF0
-rjmp T0_OVF0
+rjmp T0_OVF
 
 ; UART RX
-rjmp UART_RX
+rjmp UART_RECEIVE
 
 ; UART UDRE
 reti
@@ -72,18 +76,21 @@ reti
 ; WDT OVF
 reti
 
-
-; include control defines
-.include "ctrl.def"
+;
+; init and main code
+;
 
 RESET:
 INIT:
 
-	; port init
+	; gio port init
 	rcall PORT_INIT
 
-	; timer init
-	rcall TIMER_INIT
+	; timer0 init
+	rcall TIMER0_INIT
+
+	; timer0 interrupt enable
+	rcall TIMER0_INT_INIT
 
 	; uart init
 	rcall UART_INIT
@@ -96,12 +103,17 @@ INIT:
 	out SPL,tmp1
 
 	; global interrupt enable
-	;sei 
+	sei 
 
 	; signal ready output
-	ldi uart_rxtx,0x23
+	ldi uart_rxtx,0x68
 	rcall UART_TX
 
+	; led init
+	ldi hc595_sink,0xff
+	ldi hc595_source,0x01
+	rcall SET_HC595
+
 MAIN:
 
 	; loop forever
@@ -118,12 +130,27 @@ MAIN:
 ; interrupt routines
 ;
 
-T1_OVF1:
+T1_OVF:
 	reti
 
-T0_OVF0:
+T0_OVF:
+
+	; debug output
+	cbi PORTD,3
+	
+	; shift source
+	rol hc595_source
+
+	; update sink
+
+	; set hc595
+	rcall SET_HC595
+
+	; debug output
+	sbi PORTD,3
+	
 	reti
 
-UART_RX:
+UART_RECEIVE:
 	reti