写程序的时候我就这样定义,可是全部都提示出错,错误是Invalid redefinition of 'UCSR1C',不知道什么原因啊
.equ UCSR1C = 0x9D
.equ UDR1 = 0x9C
.equ UCSR1A = 0x9B
.equ UCSR1B = 0x9A
.equ UBRR1H = 0x98
.equ UBRR1L = 0x99
.equ UCSR0C = 0x95
.equ UBRR0H = 0x90
.equ ADCSRB = 0x8E
.equ TCCR3C = 0x8C
.equ TCCR3A = 0x8B
.equ TCCR3B = 0x8A
汇编里面没有“=”号。
应这样:
UCSR1C equ 9DH
UDR1 equ 9CH
UCSR1A equ 9BH
UCSR1B equ 9AH
UBRR1H equ 98H
UBRR1L equ 99H
UCSR0C equ 95H
UBRR0H equ 90H
ADCSRB equ 8EH
TCCR3C equ 8CH
TCCR3A equ 8BH
TCCR3B equ 8AH
16进制格式不改也行。
欢迎光临 (http://www.51hei.com/bbs/) | Powered by Discuz! X3.1 |