exercises/01_atmega328_lauflicht
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Wechsel Laufrichtung ab der aktuellen Stelle

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This commit is contained in:
Marcel Schirmer
2025-06-20 19:50:04 +02:00
parent a30bf50f67
commit 204e94d613
2 changed files with 15 additions and 17 deletions
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14
main.asm
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@@ -14,7 +14,7 @@
.def cur_direction = R20
.equ L2R = 0x01
.equ R2L = 0b00000100
.equ R2L = 0x04
.equ RBTN_PRESSED = 0b00000100
.equ LBTN_PRESSED = 0b00000001
@@ -38,8 +38,8 @@ init:
; ldi setter, 0b11111010
ser setter
out DDRB, setter ; PB0 und PB2 als Inputs definieren
; ldi setter, 0b00000101
; out PORTB, setter ; Interne Pullups aktivieren
ldi setter, 0b00000101
out PORTB, setter ; Interne Pullups aktivieren
clr setter
out PORTB, setter
@@ -94,16 +94,12 @@ overflow_handler:
; Laufrichtungswechsel
;----
cpi btn_status, LBTN_PRESSED
brne PC+3
ldi setter, 0b10000000
brne PC+2
ldi cur_direction, L2R
cpi btn_status, RBTN_PRESSED
brne PC+3
ldi setter, 0b00000001
brne PC+2
ldi cur_direction, R2L
out PORTD, setter
;------
run_animation: