main.s

学习AVR单片机的基础实验程序 适合初学者学习提高

	.module main.c
	.area data(ram, con, rel)
_flag_led::
	.blkb 2
	.area idata
	.word 0
	.area data(ram, con, rel)
	.dbfile D:\AVR\我的程序\定时器1的捕捉比较控制LED实验/cfg.h
	.dbsym e flag_led _flag_led I
	.area text(rom, con, rel)
	.dbfile D:\AVR\我的程序\定时器1的捕捉比较控制LED实验/cfg.h
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 11
; /****************************************
; *实验目的：熟悉定时器CTC模式比较中断编程
; *设    计：萧联珠
; *日    期：2007-11-20
; ****************************************/
; #include <iom16v.h>
; #include "cfg.h"
; 
; void main()
; {
;   port_init();
	.dbline 12
;   ctc_init();
	ldi R24,255
	out 0x18,R24
	.dbline 13
;   
	out 0x17,R24
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e ctc_init _ctc_init fV
	.even
_ctc_init::
	.dbline -1
	.dbline 18
;   while(1);
; }
; 
; 
; 
	.dbline 19
; 
	ldi R24,128
	out 0x3f,R24
	.dbline 20
; 
	in R24,0x39
	ori R24,2
	out 0x39,R24
	.dbline 21
; 
	ldi R24,9
	out 0x33,R24
	.dbline 22
; 
	clr R2
	out 0x32,R2
	.dbline 23
; 
	ldi R24,250
	out 0x3c,R24
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 76
	jmp _OC0_int
	.area text(rom, con, rel)
	.dbfile D:\AVR\我的程序\定时器1的捕捉比较控制LED实验/cfg.h
	.dbfunc e OC0_int _OC0_int fV
	.even
_OC0_int::
	st -y,R2
	st -y,R3
	st -y,R24
	st -y,R25
	st -y,R30
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 29
	.dbline 30
	lds R24,_flag_led
	lds R25,_flag_led+1
	adiw R24,1
	sts _flag_led+1,R25
	sts _flag_led,R24
	.dbline 31
	cpi R24,232
	ldi R30,3
	cpc R25,R30
	brne L4
	.dbline 32
	.dbline 33
	clr R2
	clr R3
	sts _flag_led+1,R3
	sts _flag_led,R2
	.dbline 34
	in R2,0x18
	com R2
	out 0x18,R2
	.dbline 35
L4:
	.dbline -2
L3:
	ld R2,y+
	out 0x3f,R2
	ld R30,y+
	ld R25,y+
	ld R24,y+
	ld R3,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbend
	.dbfile D:\AVR\我的程序\定时器1的捕捉比较控制LED实验\main.c
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 10
	.dbline 11
	xcall _port_init
	.dbline 12
	xcall _ctc_init
L7:
	.dbline 14
L8:
	.dbline 14
	xjmp L7
X0:
	.dbline -2
L6:
	.dbline 0 ; func end
	ret
	.dbend