rtc.s

AVRkaifashili.rar

	.module RTC.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)
	.blkb 6
	.area idata
	.byte 0,0,0,0,0,0
	.area data(ram, con, rel)
	.dbfile J:\AVRpractice\BOOK\定时器2\RTC.c
	.dbsym e Table _Table A[16:16]c
_Data::
	.blkb 2
	.area idata
	.byte 0,0
	.area data(ram, con, rel)
	.dbfile J:\AVRpractice\BOOK\定时器2\RTC.c
	.blkb 2
	.area idata
	.byte 0,0
	.area data(ram, con, rel)
	.dbfile J:\AVRpractice\BOOK\定时器2\RTC.c
	.dbsym e Data _Data A[4:4]c
	.area text(rom, con, rel)
	.dbfile J:\AVRpractice\BOOK\定时器2\RTC.c
	.dbfunc e DelayMs _DelayMs fV
;              j -> R20,R21
;              i -> R16,R17
	.even
_DelayMs::
	rcall push_gset1
	.dbline -1
	.dbline 13
; //***************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[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
; uchar Data[4]={0,0,0,0};       //定义初始时间：00：00            
; uchar CNT;                     //定义中断计数次数      
; void DelayMs(uint i)           //Ms级延时，参数i为延时时间
; {uint j;
	.dbline 14
;  for(;i!=0;i--)
	rjmp L5
L2:
	.dbline 15
	.dbline 15
	ldi R20,8000
	ldi R21,31
	rjmp L9
L6:
	.dbline 15
	.dbline 15
	.dbline 15
L7:
	.dbline 15
	subi R20,1
	sbci R21,0
L9:
	.dbline 15
	cpi R20,0
	cpc R20,R21
	brne L6
X0:
	.dbline 15
L3:
	.dbline 14
	subi R16,1
	sbci R17,0
L5:
	.dbline 14
	cpi R16,0
	cpc R16,R17
	brne L2
X1:
	.dbline -2
	.dbline 16
;   {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 19
; 
; 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 19
	ldi R20,1
	.dbline 20
;  for(i=0;i<4;i++)
	clr R22
	rjmp L14
L11:
	.dbline 21
	.dbline 21
	out 0x1b,R20
	.dbline 22
	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
	clr R3
	ldi R24,255
	ldi R25,0
	sub R24,R2
	sbc R25,R3
	out 0x15,R24
	.dbline 23
	ldi R16,1
	ldi R17,0
	rcall _DelayMs
	.dbline 24
	lsl R20
	.dbline 25
L12:
	.dbline 20
	inc R22
L14:
	.dbline 20
	cpi R22,4
	brlo L11
	.dbline -2
	.dbline 26
;   {PORTA=sel;                  //选通最右边的数码管
;    PORTC=0xff-Table[p[i]];     //送字型码
;    DelayMs(1);                 //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 Init_IO _Init_IO fV
	.even
_Init_IO::
	.dbline -1
	.dbline 29
; 
; void Init_IO(void)             //初始化I/O口
; {DDRA=0xff;                    //设置A口为推挽1输出
	.dbline 29
	ldi R24,255
	out 0x1a,R24
	.dbline 30
;  PORTA=0xff;
	out 0x1b,R24
	.dbline 31
;  DDRC=0xff;                    //设置C口为推挽1输出             
	out 0x14,R24
	.dbline 32
;  PORTC=0xff;
	out 0x15,R24
	.dbline -2
	.dbline 33
; }
L15:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e Add_Second _Add_Second fV
;              p -> R16,R17
	.even
_Add_Second::
	.dbline -1
	.dbline 36
; 
; void Add_Second(uchar *p)
; {p[3]++;
	.dbline 36
	mov R24,R16
	mov R25,R17
	adiw R24,3
	mov R30,R24
	mov R31,R25
	ldd R24,z+0
	subi R24,255    ; addi 1
	std z+0,R24
	.dbline 37
;  if(p[3]==10) {p[3]=0;p[2]++;}
	mov R30,R16
	mov R31,R17
	ldd R24,z+3
	cpi R24,10
	brne L17
	.dbline 37
	.dbline 37
	clr R2
	mov R30,R16
	mov R31,R17
	std z+3,R2
	.dbline 37
	mov R24,R16
	mov R25,R17
	adiw R24,2
	mov R30,R24
	mov R31,R25
	ldd R24,z+0
	subi R24,255    ; addi 1
	std z+0,R24
	.dbline 37
L17:
	.dbline 38
;  if(p[2]==6)  {p[2]=0;p[1]++;}
	mov R30,R16
	mov R31,R17
	ldd R24,z+2
	cpi R24,6
	brne L19
	.dbline 38
	.dbline 38
	clr R2
	mov R30,R16
	mov R31,R17
	std z+2,R2
	.dbline 38
	mov R24,R16
	mov R25,R17
	adiw R24,1
	mov R30,R24
	mov R31,R25
	ldd R24,z+0
	subi R24,255    ; addi 1
	std z+0,R24
	.dbline 38
L19:
	.dbline 39
;  if(p[1]==10) {p[1]=0;p[0]++;}
	mov R30,R16
	mov R31,R17
	ldd R24,z+1
	cpi R24,10
	brne L21
	.dbline 39
	.dbline 39
	clr R2
	mov R30,R16
	mov R31,R17
	std z+1,R2
	.dbline 39
	mov R30,R16
	mov R31,R17
	ldd R24,z+0
	subi R24,255    ; addi 1
	std z+0,R24
	.dbline 39
L21:
	.dbline 40
	mov R30,R16
	mov R31,R17
	ldd R24,z+0
	cpi R24,6
	brne L23
	.dbline 40
	.dbline 40
	clr R2
	std z+0,R2
	.dbline 40
L23:
	.dbline -2
	.dbline 41
;  if(p[0]==6)  {p[0]=0;}
; }
L16:
	.dbline 0 ; func end
	ret
	.dbsym r p 16 pc
	.dbend
	.dbfunc e main _main fV
;              i -> <dead>
	.even
_main::
	.dbline -1
	.dbline 44
; 
; void main(void)
; {uchar i;
	.dbline 45
;  Init_IO();                    //初始化I/O口
	rcall _Init_IO
	.dbline 46
;  PORTA=0xff;                   //点亮以测试所有的数码管
	ldi R24,255
	out 0x1b,R24
	.dbline 47
;  PORTC=0x00;   
	clr R2
	out 0x15,R2
	.dbline 48
;  DelayMs(300);                 //延时
	ldi R16,300
	ldi R17,1
	rcall _DelayMs
	.dbline 49
;  PORTC=0xff;                   //熄灭所有的数码管
	ldi R24,255
	out 0x15,R24
	.dbline 50
;  ASSR=0x08;                    //异步时钟使能
	ldi R24,8
	out 0x22,R24
	.dbline 51
;  TCCR2=0x07;                   //32768的晶振1024分频作为T/C2的时钟源
	ldi R24,7
	out 0x25,R24
	.dbline 52
;  TIMSK=0x40;                   //T/C2溢出中断使能
	ldi R24,64
	out 0x39,R24
	.dbline 53
;  SREG=SREG|0x80;               //全局中断使能       
	bset 7
	rjmp L27
L26:
	.dbline 55
;  while(1)
;  {Display(Data);
	.dbline 55
	ldi R16,<_Data
	ldi R17,>_Data
	rcall _Display
	.dbline 56
;   if(CNT==32) 
	lds R24,_CNT
	cpi R24,32
	brne L29
	.dbline 57
;     {CNT=0;
	.dbline 57
	clr R2
	sts _CNT,R2
	.dbline 58
; 	 Add_Second(Data);}
	ldi R16,<_Data
	ldi R17,>_Data
	rcall _Add_Second
	.dbline 58
L29:
	.dbline 59
L27:
	.dbline 54
	rjmp L26
X2:
	.dbline -2
	.dbline 60
;  }
; }
L25:
	.dbline 0 ; func end
	ret
	.dbsym l i 1 c
	.dbend
	.area vector(rom, abs)
	.org 8
	rjmp _Timer2
	.area text(rom, con, rel)
	.dbfile J:\AVRpractice\BOOK\定时器2\RTC.c
	.dbfunc e Timer2 _Timer2 fV
	.even
_Timer2::
	st -y,R24
	st -y,R25
	in R24,0x3f
	st -y,R24
	.dbline -1
	.dbline 64
; 
; #pragma interrupt_handler Timer2:5
; void Timer2(void)
; {CNT=CNT+1;}
	.dbline 64
	lds R24,_CNT
	subi R24,255    ; addi 1
	sts _CNT,R24
	.dbline -2
	.dbline 64
L31:
	ld R24,y+
	out 0x3f,R24
	ld R25,y+
	ld R24,y+
	.dbline 0 ; func end
	reti
	.dbend
	.area bss(ram, con, rel)
	.dbfile J:\AVRpractice\BOOK\定时器2\RTC.c
_CNT::
	.blkb 1
	.dbsym e CNT _CNT c