pwm.s

直流电动机仿真及程序

	.module pwm.c
	.area text(rom, con, rel)
	.dbfile F:\项目\直流电机\pwm.c
	.dbfunc e timers_init _timers_init fV
;              a -> R20
	.even
_timers_init::
	xcall push_gset1
	mov R20,R16
	sbiw R28,4
	.dbline -1
	.dbline 5
; #include"iom16v.h"
; 
; 
; void timers_init(char a)
; {
	.dbline 6
;    sbit(DDRD,5);
	ldi R18,5
	ldi R19,0
	in R16,0x11
	clr R17
	xcall _sbit
	.dbline 7
;    OCR1A=1024-10.24*a;
	ldi R16,<L4
	ldi R17,>L4
	xcall lpm32
	st -y,R19
	st -y,R18
	st -y,R17
	st -y,R16
	ldi R16,<L5
	ldi R17,>L5
	xcall lpm32
	st -y,R19
	st -y,R18
	st -y,R17
	st -y,R16
	mov R16,R20
	clr R17
	xcall int2fp
	st -y,R19
	st -y,R18
	st -y,R17
	st -y,R16
	xcall empy32fs
	xcall sub32f
	movw R30,R28
	std z+0,R16
	std z+1,R17
	std z+2,R18
	std z+3,R19
	movw R30,R28
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	st -y,R5
	st -y,R4
	st -y,R3
	st -y,R2
	ldi R16,<L6
	ldi R17,>L6
	xcall lpm32
	st -y,R19
	st -y,R18
	st -y,R17
	st -y,R16
	xcall cmp32f
	brlt L2
	movw R30,R28
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	st -y,R5
	st -y,R4
	st -y,R3
	st -y,R2
	ldi R16,<L6
	ldi R17,>L6
	xcall lpm32
	st -y,R19
	st -y,R18
	st -y,R17
	st -y,R16
	xcall sub32f
	xcall fp2int
	movw R20,R16
	subi R20,0  ; offset = 32768
	sbci R21,128
	xjmp L3
L2:
	movw R30,R28
	ldd R16,z+0
	ldd R17,z+1
	ldd R18,z+2
	ldd R19,z+3
	xcall fp2int
	movw R20,R16
L3:
	out 0x2b,R21
	out 0x2a,R20
	.dbline 8
;    OCR1B=0x00;
	clr R2
	clr R3
	out 0x29,R3
	out 0x28,R2
	.dbline 9
;    TCNT1=0x00;
	out 0x2d,R3
	out 0x2c,R2
	.dbline 10
;    TCCR1A=0xc3;
	ldi R24,195
	out 0x2f,R24
	.dbline 11
;    TCCR1B=0x09;
	ldi R24,9
	out 0x2e,R24
	.dbline -2
L1:
	adiw R28,4
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r a 20 c
	.dbend
	.dbfunc e main _main fI
	.even
_main::
	.dbline -1
	.dbline 14
;   }
;   int main(void)
;   {
	.dbline 15
;      timers_init(25);
	ldi R16,25
	xcall _timers_init
	.dbline -2
L7:
	.dbline 0 ; func end
	ret
	.dbend
	.area lit(rom, con, rel)
L6:
	.word 0x0,0x4700
L5:
	.word 0xd70a,0x4123
L4:
	.word 0x0,0x4480