zuhe.s

AVR单片机实现液晶显示的程序代码

	.module zuhe.c
	.area data(ram, con, rel)
_d::
	.blkb 2
	.area idata
	.byte 'W,61
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 17,46
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 17,17
	.area data(ram, con, rel)
	.blkb 2
	.area idata
	.byte 17,'w
	.area data(ram, con, rel)
	.blkb 1
	.area idata
	.byte 35
	.area data(ram, con, rel)
	.dbfile zuhe.c
	.dbsym e d _d A[9:9]c
	.area text(rom, con, rel)
	.dbfile zuhe.c
	.dbfunc e delay _delay fV
;              j -> R20
;              x -> R16,R17
	.even
_delay::
	rcall push_gset1
	.dbline -1
	.dbline 17
; #include<iom8v.h>		//??¨1o?ATMEGA8|ì?¨a?¤???t
; #include<macros.h>		//??¨1o?¨°?D?3?ê¨??o¨o|ì???§¨°?
; #define uchar unsigned char
; #define uint unsigned int
; #define osccal_addr 0x1ff
; #define fosc 8000000 //??ì??8MHZ
; #define baud 9600 //2?§¨???¨o
; #define LcdCmdPort PORTB
; #define LcdDataPort PORTB
; uint datax;
; char d[9]={0x57,0x3d,0x11,0x2e,0x11,0x11,0x11,0x77,0x23};
; uchar x,datah,K,datal,a[3],i,K,w1,w2,w3,w4;
; float v,W;
; 
; //?á?D??¨?¨o?à|ì￡¤???ê???16??é??
; void delay(uint x)   
; {   uchar j;
	rjmp L3
L2:
	.dbline 19
;     while(x-->0)
; 	{
	.dbline 20
;        for(j=0;j<5;j++)
	clr R20
	rjmp L8
L5:
	.dbline 21
	.dbline 21
	.dbline 21
L6:
	.dbline 20
	inc R20
L8:
	.dbline 20
	cpi R20,5
	brlo L5
	.dbline 22
L3:
	.dbline 18
	movw R2,R16
	subi R16,1
	sbci R17,0
	tst R2
	brne L2
	tst R3
	brne L2
X0:
	.dbline -2
	.dbline 23
; 	   {;}
;     }
; }
L1:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r j 20 c
	.dbsym r x 16 i
	.dbend
	.dbfunc e EEPROM_read _EEPROM_read fc
;      uiAddress -> R16,R17
	.even
_EEPROM_read::
	.dbline -1
	.dbline 28
L10:
	.dbline 28
L11:
	.dbline 28
; 
; 
; 
; unsigned char EEPROM_read(unsigned int uiAddress)
; {while(EECR&(1<<EEWE));
	sbic 0x1c,1
	rjmp L10
	.dbline 29
;  EEAR=uiAddress;
	out 0x1f,R17
	out 0x1e,R16
	.dbline 30
;  EECR|=(1<<EERE);
	sbi 0x1c,0
	.dbline 31
;  return EEDR;
	in R16,0x1d
	.dbline -2
L9:
	.dbline 0 ; func end
	ret
	.dbsym r uiAddress 16 i
	.dbend
	.dbfunc e init_adc _init_adc fV
	.even
_init_adc::
	.dbline -1
	.dbline 35
; }
; 
; void init_adc(void)
; {ADMUX=(3<<REFS0);      //ADC2???|ì??1?a?¨22?2.56V,??ê?a¨a?§|쨤????ADC0
	.dbline 35
	ldi R24,192
	out 0x7,R24
	.dbline 36
;  ADCSRA=(1<<ADEN)|(1<<ADSC); //ADC¨o1?¨1?ê?2?é????￥¨°?????áa???ê?2?à??¤??|ì,
	out 0x6,R24
	.dbline -2
	.dbline 38
;                                          
; }	
L13:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e readadc _readadc fV
	.even
_readadc::
	.dbline -1
	.dbline 41
; 
; void readadc(void)
; {datal=ADCL;
	.dbline 41
	in R2,0x4
	sts _datal,R2
	.dbline 42
;  datah=ADCH;
	in R2,0x5
	sts _datah,R2
	.dbline -2
	.dbline 45
;  //ADCSRA=(1<<ADSC);    //|ì￡¤????áa??￥
;  //datax=(datah<<8)+datal;
; }
L14:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e LcdBusy _LcdBusy fV
	.even
_LcdBusy::
	.dbline -1
	.dbline 50
; 
; void LcdBusy(void); /* LCD???ì?????? */
; 
; void LcdBusy()
; { 
	.dbline 52
; 
; PORTC &= ~(1<<PORTC4);
	cbi 0x15,4
	.dbline 53
; PORTC |=  (1<<PORTC5);
	sbi 0x15,5
	.dbline 54
; LcdCmdPort = 0xff;
	ldi R24,255
	out 0x18,R24
	.dbline 55
; DDRB=0x00;
	clr R2
	out 0x17,R2
	.dbline 56
; PORTC |=  (1<<PORTC3);
	sbi 0x15,3
	.dbline 57
; PORTC &= ~(1<<PORTC3);
	cbi 0x15,3
	rjmp L17
L16:
	.dbline 59
	.dbline 61
	cbi 0x15,3
	.dbline 62
	sbi 0x15,3
	.dbline 63
L17:
	.dbline 58
; while ((PINB&0x80)!=0)
	sbic 0x16,7
	rjmp L16
	.dbline 64
; { 
; 
; PORTC &= ~(1<<PORTC3);
; PORTC |=  (1<<PORTC3);
; }
; PORTC |=  (1<<PORTC3);
	sbi 0x15,3
	.dbline 65
; DDRB=0xff;
	ldi R24,255
	out 0x17,R24
	.dbline -2
	.dbline 67
; //LcdDelay(500);
; }
L15:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e LcdXY _LcdXY fV
;              y -> R22
;              x -> R20
	.even
_LcdXY::
	rcall push_gset2
	mov R22,R18
	mov R20,R16
	.dbline -1
	.dbline 74
; 
; 
; 
; 
; void LcdXY(char,char); /* LCD?????¨?????? */
; void LcdXY(char x,char y)
; { 
	.dbline 76
; 
; if ((y&0x01)!=0)LcdCmd(0x80|(x-1));
	sbrs R22,0
	rjmp L20
	.dbline 76
	mov R16,R20
	clr R17
	subi R16,1
	sbci R17,0
	ori R16,128
	rcall _LcdCmd
	rjmp L21
L20:
	.dbline 77
	mov R16,R20
	clr R17
	subi R16,1
	sbci R17,0
	ori R16,192
	rcall _LcdCmd
L21:
	.dbline -2
	.dbline 80
; else LcdCmd(0xC0|(x-1));
; 
; 
; }
L19:
	rcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r y 22 c
	.dbsym r x 20 c
	.dbend
	.dbfunc e LcdCmd _LcdCmd fV
;              c -> R20
	.even
_LcdCmd::
	rcall push_gset1
	mov R20,R16
	.dbline -1
	.dbline 84
; 
; void LcdCmd(char); /* LCD?????ü?????? */
; void LcdCmd(char c)
; { 
	.dbline 86
; 
; LcdBusy();
	rcall _LcdBusy
	.dbline 87
; PORTC |=  (1<<PORTC3);
	sbi 0x15,3
	.dbline 88
; PORTC &= ~(1<<PORTC4);
	cbi 0x15,4
	.dbline 89
; PORTC &= ~(1<<PORTC5);
	cbi 0x15,5
	.dbline 92
; //PORTC &= ~(1<<PORTC3);
; 
; LcdCmdPort = c;
	out 0x18,R20
	.dbline 93
; delay(500);
	ldi R16,500
	ldi R17,1
	rcall _delay
	.dbline 94
; PORTC &= ~(1<<PORTC3);
	cbi 0x15,3
	.dbline -2
	.dbline 96
; 
; }
L22:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r c 20 c
	.dbend
	.dbfunc e LcdData _LcdData fV
;              c -> R20
	.even
_LcdData::
	rcall push_gset1
	mov R20,R16
	.dbline -1
	.dbline 101
; 
; 
; void LcdData(char); /* LCD???????????? */
; void LcdData(char c)
; { 
	.dbline 103
; 
; LcdBusy();
	rcall _LcdBusy
	.dbline 104
; PORTC |=  (1<<PORTC3);
	sbi 0x15,3
	.dbline 105
; PORTC |=  (1<<PORTC4);
	sbi 0x15,4
	.dbline 106
; PORTC &= ~(1<<PORTC5);
	cbi 0x15,5
	.dbline 109
; //PORTC &= ~(1<<PORTC3);
; 
; LcdDataPort = c;
	out 0x18,R20
	.dbline 110
; delay(500);
	ldi R16,500
	ldi R17,1
	rcall _delay
	.dbline 111
; PORTC &= ~(1<<PORTC3);
	cbi 0x15,3
	.dbline -2
	.dbline 112
; }
L23:
	rcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r c 20 c
	.dbend
	.dbfunc e init_wdt _init_wdt fV
	.even
_init_wdt::
	.dbline -1
	.dbline 115
; 
; void init_wdt(void)
; {WDTCR=(1<<WDCE)|(1<<WDE);
	.dbline 115
	ldi R24,24
	out 0x21,R24
	.dbline 116
;  WDTCR=(0<<WDCE)|(1<<WDE)|(1<<WDP2)|(1<<WDP1)|(1<<WDP0);
	ldi R24,15
	out 0x21,R24
	.dbline -2
	.dbline 118
;  /*看门狗允许、溢出时间2.1s,p44*/
; }
L24:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e LcdInit _LcdInit fV
	.even
_LcdInit::
	.dbline -1
	.dbline 122
; 
; void LcdInit(void); /* LCD?????????? */
; void LcdInit()
; { 
	.dbline 123
; PORTC |=  (1<<PORTC4);
	sbi 0x15,4
	.dbline 124
; PORTC |=  (1<<PORTC5);
	sbi 0x15,5
	.dbline 125
; PORTC |=  (1<<PORTC3);
	sbi 0x15,3
	.dbline 126
; LcdCmd(0x38);
	ldi R16,56
	rcall _LcdCmd
	.dbline 127
; LcdCmd(0x38);
	ldi R16,56
	rcall _LcdCmd
	.dbline 128
; LcdCmd(0x06);
	ldi R16,6
	rcall _LcdCmd
	.dbline 129
; LcdCmd(0x0c);
	ldi R16,12
	rcall _LcdCmd
	.dbline 130
; LcdCmd(0x01);
	ldi R16,1
	.dbline -2
	.dbline 131
; }
L25:
	.dbline 0 ; func end
	rjmp _LcdCmd
	.dbend
	.dbfunc e LcdClr _LcdClr fV
	.even
_LcdClr::
	.dbline -1
	.dbline 136
; 
; 
; void LcdClr(void); /* LCD???????? */
; void LcdClr()
; { 
	.dbline 137
; LcdCmd(0x01);
	ldi R16,1
	.dbline -2
	.dbline 138
; }
L26:
	.dbline 0 ; func end
	rjmp _LcdCmd
	.dbend
	.dbfunc e LcdStr _LcdStr fV
;              d -> R20,R21
;              c -> R22,R23
	.even
_LcdStr::
	rcall push_gset2
	movw R22,R16
	.dbline -1
	.dbline 146
; 
; 
; 
; 
; 
; void LcdStr(char *); /* ????×?·??????? */
; void LcdStr(char *c)
; {
	.dbline 147
; int d=0;
	clr R20
	clr R21
	rjmp L29
L28:
	.dbline 149
	movw R2,R20
	subi R20,255  ; offset = 1
	sbci R21,255
	movw R30,R2
	add R30,R22
	adc R31,R23
	ldd R16,z+0
	rcall _LcdData
L29:
	.dbline 148
; while (c[d]!=0)
	movw R30,R20
	add R30,R22
	adc R31,R23
	ldd R2,z+0
	tst R2
	brne L28
	.dbline -2
	.dbline 151
; LcdData(c[d++]); /* char of LCM */
; 
; }
L27:
	rcall pop_gset2
	.dbline 0 ; func end
	ret
	.dbsym r d 20 I
	.dbsym r c 22 pc
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	sbiw R28,12
	.dbline -1
	.dbline 156
; 
; 
; 
; void main(void)
; {  
	.dbline 157
;    delay(2000);
	ldi R16,2000
	ldi R17,7
	rcall _delay
	.dbline 158
;    OSCCAL=EEPROM_read(osccal_addr);
	ldi R16,511
	ldi R17,1
	rcall _EEPROM_read
	out 0x31,R16
	.dbline 159
;    DDRC=0xfe;
	ldi R24,254
	out 0x14,R24
	.dbline 160
;    DDRB=0Xff;