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\看门狗/ForATmega8515.h
	.dbsym e Tab _Tab A[16:16]kc
	.area data(ram, con, rel)
	.dbfile C:\ATMega8515\看门狗/ForATmega8515.h
_shuma::
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile C:\ATMega8515\看门狗/ForATmega8515.h
	.dbfile C:\ATMega8515\看门狗\main.c
	.dbsym e shuma _shuma c
	.area text(rom, con, rel)
	.dbfile C:\ATMega8515\看门狗\main.c
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 8
; #include <iom8515v.h>
; #include"ForATmega8515.h"
; 
; void display();
; void delay(uint ticks);
; uchar shuma=0;
; void main()
; {
	.dbline 9
;  init_devices();
	rcall _init_devices
	rjmp L3
L2:
	.dbline 11
	.dbline 12
	rcall _display
	.dbline 13
	ldi R24,24
	out 0x21,R24
	.dbline 14
	clr R2
	out 0x21,R2
	.dbline 15
L3:
	.dbline 10
	rjmp L2
X0:
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e display _display fV
	.even
_display::
	.dbline -1
	.dbline 21
;  while(1)
;  {
;   display(); 
;   WDTCR=(1<<WDCE)|(1<<WDE);//
;   WDTCR=0;				   //清看门狗
;  }
; 
; 
; }
; 
; void display()
; {
	.dbline 22
;  PORTA=Tab[shuma>>4];
	ldi R24,<_Tab
	ldi R25,>_Tab
	lds R30,_shuma
	clr R31
	asr R31
	ror R30
	asr R31
	ror R30
	asr R31
	ror R30
	asr R31
	ror R30
	add R30,R24
	adc R31,R25
	lpm R30,Z
	out 0x1b,R30
	.dbline 23
;  PORTC&=~SEG0;
	cbi 0x15,7
	.dbline 24
;  delay(1);
	ldi R16,1
	ldi R17,0
	rcall _delay
	.dbline 25
;  PORTC|=SEG0;
	sbi 0x15,7
	.dbline 27
; /////////////////
;  PORTA=Tab[shuma&0x0f];
	ldi R24,<_Tab
	ldi R25,>_Tab
	lds R30,_shuma
	clr R31
	andi R30,15
	andi R31,0
	add R30,R24
	adc R31,R25
	lpm R30,Z
	out 0x1b,R30
	.dbline 28
;  PORTC&=~SEG1;
	cbi 0x15,6
	.dbline 29
;  delay(1);
	ldi R16,1
	ldi R17,0
	rcall _delay
	.dbline 30
;  PORTC|=SEG1;
	sbi 0x15,6
	.dbline -2
L5:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e delay _delay fV
;              x -> R20
;          ticks -> R16,R17
	.even
_delay::
	rcall push_gset1
	.dbline -1
	.dbline 37
; 
; 
; }
; 
; 
; void delay(uint ticks)
; {
	.dbline 39
	rjmp L10
L7:
	.dbline 39
	ldi R20,100
	rjmp L14
L11:
	.dbline 39
L12:
	.dbline 39
	dec R20
L14:
	.dbline 39
	tst R20
	brne L11
L8:
	.dbline 39
	subi R16,1
	sbci R17,0
L10:
	.dbline 39
;  uchar x;
;  for(;ticks!=0;ticks--)for(x=100;x!=0;x--); 
	cpi R16,0
	cpc R16,R17
	brne L7
X1:
	.dbline -2
L6:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r x 20 c
	.dbsym r ticks 16 i
	.dbend