[英]AVR-GCC: Error: garbage at end of line
I have problem with stack init lines because avr-gcc returns 我有堆栈初始化行的问题,因为avr-gcc返回
LED_Blink.asm:10: Error: garbage at end of line
LED_Blink.asm:10:错误:行尾的垃圾
On lines: 在线:
ldi r17, low(RAMEND)
ldi r17, high(RAMEND)
And I am confused. 我很困惑。 I have already defined RAMEND.
我已经定义了RAMEND。 I used avr-gcc with this command:
我在这个命令中使用了avr-gcc:
avr-gcc -x assembler -mmcu=atmega328p LED_Blink.asm
avr-gcc -x assembler -mmcu = atmega328p LED_Blink.asm
My assembly code: 我的汇编代码:
.equ SPL, 0x3d
.equ SPH, 0x3e
.equ RAMEND, 0x8ff
.equ PORTB, 0x05
.equ DDRB, 0x04
.org 0x000000
rjmp main
main:
ldi r17, low(RAMEND)
out SPL, r17
ldi r17, high(RAMEND)
out SPH, r17
ldi r16, 0xff
out DDRB, r16
out PORTB, r16
loop:
ldi r16, 32
rcall outer_loop
cbi PORTB, 5
ldi r16, 32
rcall outer_loop
sbi PORTB, 5
rjmp loop
outer_loop:
clr r24
clr r25
delay_loop:
adiw r24, 1
brne delay_loop
dec r16
brne outer_loop
ret
对于AVR的GNU汇编程序, low
和high
并不意味着什么,我认为你想使用lo8
和hi8
分别取低和高字节。
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.