bujin.s

步进电机的控制程序

	.module bujin.c
	.area text(rom, con, rel)
	.dbfile F:\张应红单片机资料\ICCAVR编程学习\步进电机驱动\bujin.c
	.dbfunc e delay_1ms _delay_1ms fV
;              i -> R16,R17
	.even
_delay_1ms::
	.dbline -1
	.dbline 7
; 
; #include <iom8v.h>
; #include <macros.h>
; #include <stdio.h>
; 
; void delay_1ms(void)
; {
	.dbline 9
;  unsigned int i;
;  for(i=0;i<8*143-2;i++)
	clr R16
	clr R17
	rjmp L5
L2:
	.dbline 10
L3:
	.dbline 9
	subi R16,255  ; offset = 1
	sbci R17,255
L5:
	.dbline 9
	cpi R16,118
	ldi R30,4
	cpc R17,R30
	brlo L2
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 i
	.dbend
	.dbfunc e delay_ms _delay_ms fV
;              i -> R20,R21
;              n -> R22,R23
	.even
_delay_ms::
	rcall push_gset2
	movw R22,R16
	.dbline -1
	.dbline 14
;  ;
;  }
;  
; void delay_ms(unsigned int n)
; {
	.dbline 15
;  unsigned int i=0;
	clr R20
	clr R21
	.dbline 16
;  for(i=0;i<n;i++)
	rjmp L10
L7:
	.dbline 17
	.dbline 18
	rcall _delay_1ms
	.dbline 19
L8:
	.dbline 16
	subi R20,255  ; offset = 1
	sbci R21,255
L10:
	.dbline 16
	cp R20,R22
	cpc R21,R23
	brlo L7
	.dbline -2
L6:
	rcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r i 20 i
	.dbsym r n 22 i
	.dbend
	.dbfunc e delay_1us _delay_1us fV
	.even
_delay_1us::
	.dbline -1
	.dbline 23
;  {
;   delay_1ms();
;   }
;  }
; 
; void delay_1us(void)
; {
	.dbline 24
;  asm("nop");
	nop
	.dbline -2
L11:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e delay_us _delay_us fV
;              i -> R20,R21
;              n -> R22,R23
	.even
_delay_us::
	rcall push_gset2
	movw R22,R16
	.dbline -1
	.dbline 28
;  }
;  
; void delay_us(unsigned int n)
; {
	.dbline 29
;  unsigned int i=0;
	clr R20
	clr R21
	.dbline 30
;  for(i=0;i<n;i++)
	rjmp L16
L13:
	.dbline 31
	rcall _delay_1us
L14:
	.dbline 30
	subi R20,255  ; offset = 1
	sbci R21,255
L16:
	.dbline 30
	cp R20,R22
	cpc R21,R23
	brlo L13
	.dbline -2
L12:
	rcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r i 20 i
	.dbsym r n 22 i
	.dbend
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 36
;  delay_1us();
;  }
;  
; 
; void port_init(void)
; {
	.dbline 37
;  PORTB = 0xff;
	ldi R24,255
	out 0x18,R24
	.dbline 38
;  DDRB  = 0xff;
	out 0x17,R24
	.dbline 39
;  PORTC = 0x00; //m103 output only
	clr R2
	out 0x15,R2
	.dbline 40
;  DDRC  = 0x00;
	out 0x14,R2
	.dbline 41
;  PORTD = 0xff;
	out 0x12,R24
	.dbline 42
;  DDRD  = 0xff;
	out 0x11,R24
	.dbline -2
L17:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e step _step fV
;              i -> R20,R21
	.even
_step::
	rcall push_gset1
	.dbline -1
	.dbline 46
; }
; 
; void step(void)
; {
	.dbline 48
;   unsigned i;
;   for(i=4;i<8;i++)
	ldi R20,4
	ldi R21,0
	rjmp L22
L19:
	.dbline 49
	.dbline 50
	ldi R16,1
	ldi R17,0
	movw R18,R20
	rcall lsl16
	movw R2,R16
	com R2
	com R3
	out 0x12,R2
	.dbline 51
	ldi R16,3
	ldi R17,0
	rcall _delay_ms
	.dbline 52
L20:
	.dbline 48
	subi R20,255  ; offset = 1
	sbci R21,255
L22:
	.dbline 48
	cpi R20,8
	ldi R30,0
	cpc R21,R30
	brlo L19
	.dbline -2
L18:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r i 20 i
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 56
;     {
;      PORTD=~(1<<i);
; 	 delay_ms(3);
; 	 }
;   }
; 
; void main(void)
; {
	.dbline 57
;  port_init();
	rcall _port_init
	rjmp L25
L24:
	.dbline 59
	.dbline 60
	rcall _step
	.dbline 61
L25:
	.dbline 58
	rjmp L24
X0:
	.dbline -2
L23:
	.dbline 0 ; func end
	ret
	.dbend