capature.s

AVRkaifashili.rar

	.module Capature.c
	.area data(ram, con, rel)
_Table::
	.blkb 2
	.area idata
	.byte 63,6
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 91,'O
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 'f,'m
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 125,7
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 127,'o
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\Administrator\桌面\张军\AVR\AVR单片机系统开发实例稿\AVRpractice\BOOK\定时器1\输入捕获\Capature.c
	.dbsym e Table _Table A[10:10]c
_Data::
	.blkb 2
	.area idata
	.byte 0,0
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\Administrator\桌面\张军\AVR\AVR单片机系统开发实例稿\AVRpractice\BOOK\定时器1\输入捕获\Capature.c
	.blkb 2
	.area idata
	.byte 0,0
	.area data(ram, con, rel)
	.dbfile C:\DOCUME~1\Administrator\桌面\张军\AVR\AVR单片机系统开发实例稿\AVRpractice\BOOK\定时器1\输入捕获\Capature.c
	.dbsym e Data _Data A[4:4]c
	.area text(rom, con, rel)
	.dbfile C:\DOCUME~1\Administrator\桌面\张军\AVR\AVR单片机系统开发实例稿\AVRpractice\BOOK\定时器1\输入捕获\Capature.c
	.dbfunc e DelayMs _DelayMs fV
;              j -> R20,R21
;              i -> R16,R17
	.even
_DelayMs::
	rcall push_gset1
	.dbline -1
	.dbline 14
; //***************FileName:Capature.C***************//
; //***************ICCAVR V6.30编译*****************//
; 
; #include <io8535v.h>                 
; #define uchar unsigned char
; #define uint  unsigned int
; 
; //数码管字型表，对应0，1，2，3，4，5，6，7，8，9//
; uchar Table[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
; uchar Data[4]={0,0,0,0};       //显示初始值：0 0 0 0
; uint  CNT1,CNT2,CNT;           //定义捕获值 
; 
; void DelayMs(uint i)           //Ms级延时，参数i为延时时间
; {uint j;
	.dbline 15
;  for(;i!=0;i--)
	rjmp L5
L2:
	.dbline 16
	.dbline 16
	ldi R20,8000
	ldi R21,31
	rjmp L9
L6:
	.dbline 16
	.dbline 16
	.dbline 16
L7:
	.dbline 16
	subi R20,1
	sbci R21,0
L9:
	.dbline 16
	cpi R20,0
	cpc R20,R21
	brne L6
X0:
	.dbline 16
L3:
	.dbline 15
	subi R16,1
	sbci R17,0
L5:
	.dbline 15
	cpi R16,0
	cpc R16,R17
	brne L2
X1:
	.dbline -2
	.dbline 17
;   {for(j=8000;j!=0;j--) {;}}
; }
L1:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r j 20 i
	.dbsym r i 16 i
	.dbend
	.dbfunc e Display _Display fV
;            sel -> R20
;              i -> R22
;              p -> R10,R11
	.even
_Display::
	rcall push_gset3
	mov R10,R16
	mov R11,R17
	.dbline -1
	.dbline 20
; 
; void Display(uchar *p)         //动态显示函数，参数p为待显示的数组名
; {uchar i,sel=0x01;           
	.dbline 20
	ldi R20,1
	.dbline 21
;  for(i=0;i<4;i++)
	clr R22
	rjmp L14
L11:
	.dbline 22
	.dbline 22
	out 0x15,R20
	.dbline 23
	mov R30,R22
	clr R31
	add R30,R10
	adc R31,R11
	ldd R30,z+0
	clr R31
	ldi R24,<_Table
	ldi R25,>_Table
	add R30,R24
	adc R31,R25
	ldd R2,z+0
	out 0x1b,R2
	.dbline 24
	ldi R16,2
	ldi R17,0
	rcall _DelayMs
	.dbline 25
	lsl R20
	.dbline 26
L12:
	.dbline 21
	inc R22
L14:
	.dbline 21
	cpi R22,4
	brlo L11
	.dbline -2
	.dbline 27
;   {PORTC=sel;                  //选通最右边的数码管
;    PORTA=Table[p[i]];          //送字型码
;    DelayMs(2);                 //显示延时    
;    sel=sel<<1;                 //移位以显示前一位
;   }
; }
L10:
	rcall pop_gset3
	.dbline 0 ; func end
	ret
	.dbsym r sel 20 c
	.dbsym r i 22 c
	.dbsym r p 10 pc
	.dbend
	.dbfunc e Process _Process fV
;              p -> R20,R21
;              i -> R22,R23
	.even
_Process::
	rcall push_gset2
	mov R20,R18
	mov R21,R19
	mov R22,R16
	mov R23,R17
	.dbline -1
	.dbline 32
; 
; //计数值处理函数。参数i:捕获时间差；参数p:处理数据存放的数组名//
; //功能：此函数用于将计数值拆分为BCD码的千，百，十，一数据，用于查表显示//
; void Process(uint i,uchar *p) 
; {p[0]=i/1000;
	.dbline 32
	ldi R18,1000
	ldi R19,3
	mov R16,R22
	mov R17,R23
	rcall div16u
	mov R30,R20
	mov R31,R21
	std z+0,R16
	.dbline 33
;  i=i%1000;
	ldi R18,1000
	ldi R19,3
	mov R16,R22
	mov R17,R23
	rcall mod16u
	mov R22,R16
	mov R23,R17
	.dbline 34
;  p[1]=i/100;
	ldi R18,100
	ldi R19,0
	rcall div16u
	mov R30,R20
	mov R31,R21
	std z+1,R16
	.dbline 35
;  i=i%100;
	ldi R18,100
	ldi R19,0
	mov R16,R22
	mov R17,R23
	rcall mod16u
	mov R22,R16
	mov R23,R17
	.dbline 36
;  p[2]=i/10;
	ldi R18,10
	ldi R19,0
	rcall div16u
	mov R30,R20
	mov R31,R21
	std z+2,R16
	.dbline 37
;  i=i%10;
	ldi R18,10
	ldi R19,0
	mov R16,R22
	mov R17,R23
	rcall mod16u
	mov R22,R16
	mov R23,R17
	.dbline 38
;  p[3]=i;
	mov R30,R20
	mov R31,R21
	std z+3,R22
	.dbline -2
	.dbline 39
; }
L15:
	rcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r p 20 pc
	.dbsym r i 22 i
	.dbend
	.dbfunc e Init_IO _Init_IO fV
	.even
_Init_IO::
	.dbline -1
	.dbline 42
; 
; void Init_IO(void)             //初始化I/O口
; {DDRA=0xff;                    //设置A口为推挽1输出
	.dbline 42
	ldi R24,255
	out 0x1a,R24
	.dbline 43
;  PORTA=0xff;
	out 0x1b,R24
	.dbline 44
;  DDRC=0xff;                    //设置C口为推挽1输出             
	out 0x14,R24
	.dbline 45
;  PORTC=0xff;
	out 0x15,R24
	.dbline 46
;  DDRD=0x00;                    //设置D口为不带上拉电阻输入
	clr R2
	out 0x11,R2
	.dbline 47
;  PORTD=0x00;    
	out 0x12,R2
	.dbline -2
	.dbline 48
; }
L16:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e Init_Timer1 _Init_Timer1 fV
	.even
_Init_Timer1::
	.dbline -1
	.dbline 51
; 
; void Init_Timer1(void)         //初始化T/C1的输入捕获中断
; {TIMSK=TIMSK|0x20;             //输入捕获使能
	.dbline 51
	in R24,0x39
	ori R24,32
	out 0x39,R24
	.dbline 52
;  TCCR1B=0x82;                  //输入捕获噪音清除使能，下降沿捕获，时钟8分频1uS计数一次。
	ldi R24,130
	out 0x2e,R24
	.dbline 53
;  TIFR=0x00;                    //清中断标志
	clr R2
	out 0x38,R2
	.dbline 54
;  SREG=SREG|0x80;               //全局中断开
	bset 7
	.dbline -2
	.dbline 55
; } 
L17:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 58
; 
; void main(void)
; {Init_IO();                    //初始化I/O口
	.dbline 58
	rcall _Init_IO
	.dbline 59
;  PORTA=0xff;                   //点亮以测试所有的数码管
	ldi R24,255
	out 0x1b,R24
	.dbline 60
;  PORTC=0x00;   
	clr R2
	out 0x15,R2
	.dbline 61
;  Init_Timer1();                
	rcall _Init_Timer1
	.dbline 62
;  DelayMs(3000);                //延时
	ldi R16,3000
	ldi R17,11
	rcall _DelayMs
	.dbline 63
;  PORTC=0xff;                   //熄灭所有的数码管
	ldi R24,255
	out 0x15,R24
	rjmp L20
L19:
	.dbline 65
	.dbline 65
	ldi R18,<_Data
	ldi R19,>_Data
	lds R16,_CNT
	lds R17,_CNT+1
	rcall _Process
	.dbline 66
	ldi R16,<_Data
	ldi R17,>_Data
	rcall _Display
	.dbline 67
L20:
	.dbline 64
	rjmp L19
X2:
	.dbline -2
	.dbline 68
;  while(1)
;  {Process(CNT,Data);           //计数值处理
;   Display(Data);               //动态扫描显示
;  }
; }
L18:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 10
	rjmp _Capture
	.area text(rom, con, rel)
	.dbfile C:\DOCUME~1\Administrator\桌面\张军\AVR\AVR单片机系统开发实例稿\AVRpractice\BOOK\定时器1\输入捕获\Capature.c
	.dbfunc e Capture _Capture fV
	.even
_Capture::
	st -y,R2
	st -y,R3
	st -y,R4
	st -y,R5
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 72
; 
; #pragma interrupt_handler Capture:6
; void Capture(void)
; {CNT2=CNT2+ICR1L;              //CNT2存放当前捕获值
	.dbline 72
	in R2,0x26
	clr R3
	lds R4,_CNT2
	lds R5,_CNT2+1
	add R4,R2
	adc R5,R3
	sts _CNT2+1,R5
	sts _CNT2,R4
	.dbline 73
;  CNT2=(CNT2<<8)+ICR1H;
	in R2,0x27
	mov R3,R4
	sts _CNT2+1,R3
	sts _CNT2,R2
	.dbline 74
;  CNT=CNT2-CNT1;                //CNT1存放上次捕获值
	lds R2,_CNT1
	lds R3,_CNT1+1
	lds R4,_CNT2
	lds R5,_CNT2+1
	sub R4,R2
	sbc R5,R3
	sts _CNT+1,R5
	sts _CNT,R4
	.dbline 75
;  CNT1=CNT2;                    //CNT存放两次时间差
	lds R2,_CNT2
	lds R3,_CNT2+1
	sts _CNT1+1,R3
	sts _CNT1,R2
	.dbline -2
	.dbline 76
; }
L22:
	ld R2,y+
	out 0x3f,R2
	ld R5,y+
	ld R4,y+
	ld R3,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbend
	.area bss(ram, con, rel)
	.dbfile C:\DOCUME~1\Administrator\桌面\张军\AVR\AVR单片机系统开发实例稿\AVRpractice\BOOK\定时器1\输入捕获\Capature.c
_CNT::
	.blkb 2
	.dbsym e CNT _CNT i
_CNT2::
	.blkb 2
	.dbsym e CNT2 _CNT2 i
_CNT1::
	.blkb 2
	.dbsym e CNT1 _CNT1 i