Arduino Uno在船上闪烁，由装配代码显示错误，没有发现标签/变量/常量名为PD0

Question

我发现了如下的程序集代码

blink.asm

; blink.asm

; Pin Constant Values
; PD0 - 0
; PD1 - 1
; PD2 - 2
; PD3 - 3
; PD4 - 4
; PD5 - 5
; PD6 - 6
; PD7 - 7

; PB0 - 8
; PB1 - 9
; PB2 - 10
; PB3 - 11
; PB4 - 12
; PB5 - 13 - System LED

.DEF PTD = r16
.DEF PTB = r17

.MACRO Delay1
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
    rcall delay
.ENDMACRO

start:
    rcall   init ; Initialize pins
loop:
    Delay1
    rcall   setpinhigh
    Delay1
    rcall   setpinlow
    rjmp    loop

init:
    ; Set pins 0-7 to low
    ldi     r16,(0<<PD7)|(0<<PD6)|(0<<PD5)|(0<<PD4)|(0<<PD3)|(0<<PD2)|(0<<PD1)|(0<<PD0)
    out     PORTD,r16

    ; Set pins 8-13 to low
    ldi     r17,(0<<PB5)|(0<<PB4)|(0<<PB3)|(0<<PB2)|(0<<PB1)|(0<<PB0)
    out     PORTB,r17

    ; Set pins 0-7 to output mode
    ldi     r18,(1<<DDD7)|(1<<DDD6)|(1<<DDD5)|(1<<DDD4)|(1<<DDD3)|(1<<DDD2)|(1<<DDD1)|(1<<DDD0)
    out     DDRD,r18

    ; Set pins 8-13 to output mode
    ldi     r19,(1<<DDB5)|(1<<DDB4)|(1<<DDB3)|(1<<DDB2)|(1<<DDB1)|(1<<DDB0)
    out     DDRB,r19

    nop ; nop for settling down after pins set

    ret ; return from subroutine

setpinhigh:
    ldi     PTD,1<<PD0
    out     PORTD, PTD
    ret
setpinlow:
    ldi     PTD,0<<PD0
    out     PORTD, PTD
    ret
delay:
    ldi ZH,HIGH(65535)
    ldi ZL,LOW(65535)
count:
    sbiw ZL,1
    brne count
    ret

我的ATmega328P处理器( Arduino uno )的车载发光二极管。

我试图通过以下命令将代码编译为十六进制

avra blink.asm

但我收到

AVRA: advanced AVR macro assembler Version 1.3.0 Build 1 (8 May 2010)
Copyright (C) 1998-2010. Check out README file for more info

   AVRA is an open source assembler for Atmel AVR microcontroller family
   It can be used as a replacement of 'AVRASM32.EXE' the original assembler
   shipped with AVR Studio. We do not guarantee full compatibility for avra.

   AVRA comes with NO WARRANTY, to the extent permitted by law.
   You may redistribute copies of avra under the terms
   of the GNU General Public License.
   For more information about these matters, see the files named COPYING.

Pass 1...
Warning : No .DEVICE definition found. Cannot make useful address range check !
Pass 2...
blink.asm(62) : Error   : Found no label/variable/constant named PD7
blink.asm(62) : Error   : Found no label/variable/constant named PD6
blink.asm(62) : Error   : Found no label/variable/constant named PD5
blink.asm(62) : Error   : Found no label/variable/constant named PD4
blink.asm(62) : Error   : Found no label/variable/constant named PD3
blink.asm(62) : Error   : Found no label/variable/constant named PD2
blink.asm(62) : Error   : Found no label/variable/constant named PD1
blink.asm(62) : Error   : Found no label/variable/constant named PD0
blink.asm(63) : Error   : Found no label/variable/constant named PORTD
blink.asm(66) : Error   : Found no label/variable/constant named PB5
blink.asm(66) : Error   : Found no label/variable/constant named PB4
blink.asm(66) : Error   : Found no label/variable/constant named PB3
blink.asm(66) : Error   : Found no label/variable/constant named PB2
blink.asm(66) : Error   : Found no label/variable/constant named PB1
blink.asm(66) : Error   : Found no label/variable/constant named PB0
blink.asm(66) : Maximum error count reached. Exiting...
done

Used memory blocks:
   Code      :  Start = 0x0000, End = 0x0040, Length = 0x0041

Assembly aborted with 15 errors and 1 warnings.

如何修正这些错误？

我的操作系统是Ubuntu16.04。

Answer 1

此错误告诉您，汇编程序不知道您所说的PD0，PD1...etc的含义。

解决方案

而不是从零开始定义寄存器和引脚--这些定义已经存在.您可以下载并使用m328Pdef.inc

将其与代码放在同一个文件夹中，然后将其包含在代码的顶部，如下所示

.include "./m328Pdef.inc"

注意：：m328Pdef.inc只是ATmega328P的一些寄存器和位定义