main.s

avr单片机与flash存储器通信程序,调试通过,希望对大家有所帮助.

	.module main.c
	.area lit(rom, con, rel)
_Tab::
	.byte 33,249
	.byte 19,'Q
	.byte 201,'E
	.byte 5,241
	.byte 1,'A
	.byte 129,13
	.byte 39,25
	.byte 7,135
	.dbfile C:\ATMega8515\LED/ForATmega8515.h
	.dbsym e Tab _Tab A[16:16]kc
	.area text(rom, con, rel)
	.dbfile C:\ATMega8515\LED/ForATmega8515.h
	.dbfile C:\ATMega8515\LED\main.c
	.dbfunc e main _main fV
;        leddata -> R20
	.even
_main::
	.dbline -1
	.dbline 8
; #include <iom8515v.h>
; #include"ForATmega8515.h"
; 
; 
; void delay(uint ticks);
; 
; void main()
; {
	.dbline 9
;  uchar leddata=1;
	ldi R20,1
	.dbline 10
;  init_devices();
	rcall _init_devices
	.dbline 11
;  PORTC&=~LED; //开LED显示
	cbi 0x15,5
	rjmp L3
L2:
	.dbline 13
;  while(1)
;  {
	.dbline 14
;   PORTA=~leddata;//输出数据
	mov R2,R20
	com R2
	out 0x1b,R2
	.dbline 15
;   leddata<<=1;   //LED左移一位
	lsl R20
	.dbline 16
;   delay(5000);   //延时
	ldi R16,5000
	ldi R17,19
	rcall _delay
	.dbline 17
;   if(leddata==0)leddata=1;
	tst R20
	brne L5
	.dbline 17
	ldi R20,1
L5:
	.dbline 18
L3:
	.dbline 12
	rjmp L2
X0:
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r leddata 20 c
	.dbend
	.dbfunc e delay _delay fV
;              i -> R20
;          ticks -> R16,R17
	.even
_delay::
	rcall push_gset1
	.dbline -1
	.dbline 23
;  }
; }
; 
; 
; void delay(uint ticks)
; {
	.dbline 25
	rjmp L11
L8:
	.dbline 25
	ldi R20,200
	rjmp L15
L12:
	.dbline 25
L13:
	.dbline 25
	dec R20
L15:
	.dbline 25
	tst R20
	brne L12
L9:
	.dbline 25
	subi R16,1
	sbci R17,0
L11:
	.dbline 25
;  uchar i;
;  for(;ticks!=0;ticks--)for(i=200;i!=0;i--);
	cpi R16,0
	cpc R16,R17
	brne L8
X1:
	.dbline -2
L7:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r i 20 c
	.dbsym r ticks 16 i
	.dbend