example1.s

AVR单片机C语言编程及应用实例 适合初学者的学习研究 其中包含Atmega16中文资料及Protel部分电路图

	.module example1.c
	.area text(rom, con, rel)
	.dbfile G:\学习\avr\天祥电子AVR视频教程\chengxu\example\example1.c
	.dbfunc e delay_1ms _delay_1ms fV
;              i -> R16
	.even
_delay_1ms::
	.dbline -1
	.dbline 4
; #include <iom16v.h>
; 
; void delay_1ms(void)
; {
	.dbline 6
;    unsigned char i;
;    for(i=0;i<5000;i++);
	clr R16
	xjmp L5
L2:
	.dbline 6
L3:
	.dbline 6
	inc R16
L5:
	.dbline 6
	cpi R16,136
	brlo L2
X0:
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 c
	.dbend
	.dbfunc e delay_ms _delay_ms fV
;              i -> R10
;           time -> R12
	.even
_delay_ms::
	st -y,R10
	st -y,R12
	mov R12,R16
	.dbline -1
	.dbline 9
; }
; void delay_ms(unsigned char time)
; {
	.dbline 11
;    unsigned char i;
;    for(i=0;i<time;i++)
	clr R10
	xjmp L10
L7:
	.dbline 12
;       {
	.dbline 13
; 	     delay_1ms();
	xcall _delay_1ms
	.dbline 14
; 	  }
L8:
	.dbline 11
	inc R10
L10:
	.dbline 11
	cp R10,R12
	brlo L7
X1:
	.dbline -2
L6:
	.dbline 0 ; func end
	ld R12,y+
	ld R10,y+
	ret
	.dbsym r i 10 c
	.dbsym r time 12 c
	.dbend
	.dbfunc e mcuInit _mcuInit fV
	.even
_mcuInit::
	.dbline -1
	.dbline 18
; }
; 
; void mcuInit(void)
; {
	.dbline 19
;    DDRA  = 0xFF;
	ldi R24,255
	out 0x1a,R24
	.dbline 20
;    PORTA = 0xFF;   
	out 0x1b,R24
	.dbline -2
L11:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 24
; }
; /*led交替点亮/熄灭*/
; void main(void)
; {
	.dbline 25
;    mcuInit();
	xcall _mcuInit
	xjmp L14
L13:
	.dbline 27
;    while(1)
;       {
	.dbline 28
; 	     PORTA = 0X00;  //点亮led
	clr R2
	out 0x1b,R2
	.dbline 29
; 		 delay_ms(1000); //点亮2秒钟
	ldi R16,232
	xcall _delay_ms
	.dbline 30
; 		 PORTA = 0XFF;  //关闭led
	ldi R24,255
	out 0x1b,R24
	.dbline 31
; 		 delay_ms(1000); //关闭2秒钟
	ldi R16,232
	xcall _delay_ms
	.dbline 32
; 	  } 
L14:
	.dbline 26
	xjmp L13
X2:
	.dbline -2
L12:
	.dbline 0 ; func end
	ret
	.dbend
; }