eeprom.s

AVRkaifashili.rar

	.module EEPROM.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 2
	.area idata
	.byte 'w,124
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 57,94
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 'y,'q
	.area data(ram, con, rel)
	.dbfile J:\AVRpractice\BOOK\EEPROM\EEPROM时序\EEPROM.c
	.dbsym e Table _Table A[16:16]c
	.area text(rom, con, rel)
	.dbfile J:\AVRpractice\BOOK\EEPROM\EEPROM时序\EEPROM.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，A,B,C,D,E,F//
; uchar Table[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
;                  0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
; uchar Read_Data[4];            //定义读出数据
; 
; 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 0x1b,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
	clr R3
	ldi R24,255
	ldi R25,0
	sub R24,R2
	sbc R25,R3
	out 0x15,R24
	.dbline 24
	ldi R16,1
	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
;   {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 30
; 
; void Init_IO(void)             //初始化I/O口
; {DDRA=0xff;                    //设置A口为推挽1输出
	.dbline 30
	ldi R24,255
	out 0x1a,R24
	.dbline 31
;  PORTA=0xff;
	out 0x1b,R24
	.dbline 32
;  DDRC=0xff;                    //设置C口为推挽1输出             
	out 0x14,R24
	.dbline 33
;  PORTC=0xff;
	out 0x15,R24
	.dbline -2
	.dbline 34
; }
L15:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e Write_EEPROM _Write_EEPROM fV
;        Address -> R22,R23
;           Data -> R20
	.even
_Write_EEPROM::
	rcall push_gset2
	mov R22,R18
	mov R23,R19
	mov R20,R16
	.dbline -1
	.dbline 37
; 
; void Write_EEPROM(uchar Data,uint Address)
; {if(EECR&0x20) DelayMs(4);
	.dbline 37
	sbis 0x1c,5
	rjmp L17
	.dbline 37
	ldi R16,4
	ldi R17,0
	rcall _DelayMs
L17:
	.dbline 38
;  EEARH=Address>>8;
	mov R2,R22
	mov R3,R23
	mov R2,R3
	clr R3
	out 0x1f,R2
	.dbline 39
;  EEARL=Address&0x00ff;
	mov R24,R22
	mov R25,R23
	andi R25,0
	out 0x1e,R24
	.dbline 40
;  EEDR=Data;
	out 0x1d,R20
	.dbline 41
;  EECR=EECR|0x04;
	sbi 0x1c,2
	.dbline 42
;  EECR=EECR|0x02;
	sbi 0x1c,1
	.dbline 43
;  DelayMs(4);
	ldi R16,4
	ldi R17,0
	rcall _DelayMs
	.dbline -2
	.dbline 44
; }
L16:
	rcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r Address 22 i
	.dbsym r Data 20 c
	.dbend
	.dbfunc e Read_EEPROM _Read_EEPROM fc
;              i -> R20
;        Address -> R20,R21
	.even
_Read_EEPROM::
	rcall push_gset1
	mov R20,R16
	mov R21,R17
	.dbline -1
	.dbline 47
; 
; uchar Read_EEPROM(uint Address)
; {uchar i;
	.dbline 48
;  if(EECR&0x01) DelayMs(4);
	sbis 0x1c,0
	rjmp L20
	.dbline 48
	ldi R16,4
	ldi R17,0
	rcall _DelayMs
L20:
	.dbline 49
;  EEARH=Address>>8;
	mov R2,R20
	mov R3,R21
	mov R2,R3
	clr R3
	out 0x1f,R2
	.dbline 50
;  EEARL=Address&0x00ff;
	mov R24,R20
	mov R25,R21
	andi R25,0
	out 0x1e,R24
	.dbline 51
;  EECR=EECR|0x01;
	sbi 0x1c,0
	.dbline 52
;  DelayMs(5);
	ldi R16,5
	ldi R17,0
	rcall _DelayMs
	.dbline 53
;  i=EEDR;
	in R20,0x1d
	.dbline 54
;  return(i);
	mov R16,R20
	.dbline -2
L19:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r i 20 c
	.dbsym r Address 20 i
	.dbend
	.dbfunc e main _main fV
;              i -> R20
	.even
_main::
	.dbline -1
	.dbline 58
; }
; 
; void main(void)
; {uchar i;
	.dbline 59
;  Init_IO();                    //初始化I/O口
	rcall _Init_IO
	.dbline 60
;  PORTA=0xff;                   //点亮以测试所有的数码管
	ldi R24,255
	out 0x1b,R24
	.dbline 61
;  PORTC=0x00;   
	clr R2
	out 0x15,R2
	.dbline 62
;  DelayMs(300);                 //延时
	ldi R16,300
	ldi R17,1
	rcall _DelayMs
	.dbline 63
;  PORTC=0xff;                   //熄灭所有的数码管
	ldi R24,255
	out 0x15,R24
	.dbline 64
;  for(i=0;i<4;i++)
	clr R20
	rjmp L26
L23:
	.dbline 65
	mov R18,R20
	clr R19
	ldi R16,5
	mov R17,R20
	rcall mpy8s
	rcall _Write_EEPROM
L24:
	.dbline 64
	inc R20
L26:
	.dbline 64
	cpi R20,4
	brlo L23
	.dbline 66
;     Write_EEPROM(5*i,i);
;  for(i=0;i<4;i++)
	clr R20
	rjmp L30
L27:
	.dbline 67
	mov R16,R20
	clr R17
	rcall _Read_EEPROM
	ldi R24,<_Read_Data
	ldi R25,>_Read_Data
	mov R30,R20
	clr R31
	add R30,R24
	adc R31,R25
	std z+0,R16
L28:
	.dbline 66
	inc R20
L30:
	.dbline 66
	cpi R20,4
	brlo L27
	rjmp L32
L31:
	.dbline 69
	ldi R16,<_Read_Data
	ldi R17,>_Read_Data
	rcall _Display
L32:
	.dbline 68
	rjmp L31
X2:
	.dbline -2
	.dbline 70
;     Read_Data[i]=Read_EEPROM(i);
;  while(1)
;  Display(Read_Data);
; }
L22:
	.dbline 0 ; func end
	ret
	.dbsym r i 20 c
	.dbend
	.area bss(ram, con, rel)
	.dbfile J:\AVRpractice\BOOK\EEPROM\EEPROM时序\EEPROM.c
_Read_Data::
	.blkb 4
	.dbsym e Read_Data _Read_Data A[4:4]c