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📄 main.s

📁 ds18b20在数码管上显示温度,在avr128已编译通过
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12 
; 	   //delay_nus(16); 	 //14.92us
; 	   temp=wb>>i;
	mov R16,R10
	mov R17,R20
	xcall lsr8
	mov R22,R16
	.dbline 96
; 	   temp&=0x01;
	andi R22,1
	.dbline 97
; 	   if(temp)
	breq L54
X12:
	.dbline 98
; 		  SET_DS18B20;		 //释放总线
	sbi 0x3,2
	xjmp L55
L54:
	.dbline 100
; 	   else
; 		  CLR_DS18B20;		 //强制拉低
	cbi 0x3,2
L55:
	.dbline 101
; 	   Delay_Us(50);		 //30.38us
	ldi R16,50
	ldi R17,0
	xcall _Delay_Us
	.dbline 103
; 	   //RLS_DS18B20;		 //释放总线
; 	   SET_DS18B20; 	 //释放总线
	sbi 0x3,2
	.dbline 104
; 	   Delay_Us(4);	 //2.71us(大于1us就行了)
	ldi R16,4
	ldi R17,0
	xcall _Delay_Us
	.dbline 106
; 
;    }
L51:
	.dbline 88
	inc R20
L53:
	.dbline 88
	cpi R20,8
	brlo L50
X13:
	.dbline -2
L49:
	.dbline 0 ; func end
	xjmp pop_xgsetF00C
	.dbsym r temp 22 c
	.dbsym r i 20 c
	.dbsym r wb 10 c
	.dbend
	.dbfunc e readTempDS18B20 _readTempDS18B20 fi
;              x -> R10,R11
;          tempH -> R12
;          tempL -> R10
	.even
_readTempDS18B20::
	xcall push_xgset003C
	.dbline -1
	.dbline 114
; }
; 
; /**********************************************************************
; functionName: unsigned int readTempDS18B20(void)
; description ：读DS18B20温度
; **********************************************************************/
; unsigned int readTempDS18B20(void)
; {
	.dbline 120
; 	unsigned char tempL,tempH;
; 	unsigned int x;
; 	//resetDS18B20();
; 	//writeByteDS18B20(0xcc);	 //跳过ROM
; 	//writeByteDS18B20(0x44);	 //启动温度转换
; 	Delay_Ms(1);		   //等待1ms
	ldi R16,1
	ldi R17,0
	xcall _Delay_Ms
	.dbline 121
; 	resetDS18B20();
	xcall _resetDS18B20
	.dbline 122
; 	writeByteDS18B20(0xcc);  //跳过ROM
	ldi R16,204
	xcall _writeByteDS18B20
	.dbline 123
; 	writeByteDS18B20(0xbe);  //读数据
	ldi R16,190
	xcall _writeByteDS18B20
	.dbline 124
; 	tempL=readByteDS18B20();
	xcall _readByteDS18B20
	mov R10,R16
	.dbline 125
; 	tempH=readByteDS18B20();
	xcall _readByteDS18B20
	mov R12,R16
	.dbline 126
; 	x=(tempH<<8)|tempL;
	mov R11,R12
	.dbline 127
; 	resetDS18B20();
	xcall _resetDS18B20
	.dbline 128
; 	writeByteDS18B20(0xcc);  //跳过ROM
	ldi R16,204
	xcall _writeByteDS18B20
	.dbline 129
; 	writeByteDS18B20(0x44);  //启动温度转换
	ldi R16,68
	xcall _writeByteDS18B20
	.dbline 130
; 	return(x);
	movw R16,R10
	.dbline -2
L56:
	.dbline 0 ; func end
	xjmp pop_xgset003C
	.dbsym r x 10 i
	.dbsym r tempH 12 c
	.dbsym r tempL 10 c
	.dbend
	.dbfile H:\mega128开发板rev1.1\开发板程序\ds18b20温度+数码管显示程序\MAIN.C
	.dbfunc e timer0_init _timer0_init fV
	.even
_timer0_init::
	.dbline -1
	.dbline 20
; // Target : M128
; // Crystal: 8.0000Mhz
; 
; #include <iom128v.h>
; #include <macros.h> 
; #include "define.h"
; #include "delay.h"
; #include "initrialm128.h"
; #include "ds18b20.h"
; 
; //#include 
; void Coding_led(void);//8位数码管译码程序
; 
; 
; //TIMER0 initialize - prescale:1024
; // WGM: Normal
; // desired value: 3mSec
; // actual value: 2.976mSec (0.2%)
; void timer0_init(void)
; {
	.dbline 21
; 	TCCR0 = 0x00; //stop
	clr R2
	out 0x33,R2
	.dbline 22
; 	ASSR  = 0x00; //set async mode
	out 0x30,R2
	.dbline 23
; 	TCNT0 = 0xA3; //set count
	ldi R24,163
	out 0x32,R24
	.dbline 24
; 	OCR0  = 0x1F;
	ldi R24,31
	out 0x31,R24
	.dbline 25
; 	TCCR0 = 0x06; //start timer
	ldi R24,6
	out 0x33,R24
	.dbline 26
; 	TIMSK |= 0x01; //timer interrupt sources
	in R24,0x37
	ori R24,1
	out 0x37,R24
	.dbline -2
L57:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 64
	jmp _timer0_ovf_isr
	.area text(rom, con, rel)
	.dbfile H:\mega128开发板rev1.1\开发板程序\ds18b20温度+数码管显示程序\MAIN.C
	.dbfunc e timer0_ovf_isr _timer0_ovf_isr fV
	.even
_timer0_ovf_isr::
	st -y,R2
	st -y,R3
	st -y,R16
	st -y,R17
	st -y,R24
	st -y,R25
	st -y,R30
	st -y,R31
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 31
; }
; 
; #pragma interrupt_handler timer0_ovf_isr:iv_TIM0_OVF
; void timer0_ovf_isr(void)
; {	
	.dbline 32
; 	TCNT0 = 0xA3; //reload counter value
	ldi R24,163
	out 0x32,R24
	.dbline 33
; 	if(sbit_led == 8)
	lds R24,_sbit_led
	cpi R24,8
	brne L59
X14:
	.dbline 34
; 	{
	.dbline 35
; 		sbit_led = 0;
	clr R2
	sts _sbit_led,R2
	.dbline 36
; 	}
L59:
	.dbline 37
; 	SMG_PORT = 0XFF;
	ldi R24,255
	out 0x1b,R24
	.dbline 38
; 	SMG_BIT_PORT = 0xff;
	out 0x15,R24
	.dbline 39
; 	SMG_BIT_PORT &=~ BIT(sbit_led);
	lds R17,_sbit_led
	ldi R16,1
	xcall lsl8
	mov R2,R16
	com R2
	in R3,0x15
	and R3,R2
	out 0x15,R3
	.dbline 40
; 	SMG_PORT = led_disbuf[sbit_led];
	ldi R24,<_led_disbuf
	ldi R25,>_led_disbuf
	lds R30,_sbit_led
	clr R31
	add R30,R24
	adc R31,R25
	ldd R2,z+0
	out 0x1b,R2
	.dbline 41
; 	sbit_led ++;
	lds R24,_sbit_led
	subi R24,255    ; addi 1
	sts _sbit_led,R24
	.dbline -2
L58:
	.dbline 0 ; func end
	ld R2,y+
	out 0x3f,R2
	ld R31,y+
	ld R30,y+
	ld R25,y+
	ld R24,y+
	ld R17,y+
	ld R16,y+
	ld R3,y+
	ld R2,y+
	reti
	.dbend
	.dbfunc e main _main fV
;              n -> <dead>
	.even
_main::
	.dbline -1
	.dbline 46
; }
; 
; 
; void main(void)
; {
	.dbline 48
; 	unsigned char n;
; 	Init_Devices();
	xcall _Init_Devices
	.dbline 49
; 	timer0_init();
	xcall _timer0_init
	.dbline 50
; 	BELL_OFF();
	sbi 0x3,4
	xjmp L63
L62:
	.dbline 53
; 	
; 	while(1)
; 	{
	.dbline 54
; 		temperture = readTempDS18B20();
	xcall _readTempDS18B20
	xcall uint2fp
	sts _temperture+1,R17
	sts _temperture,R16
	sts _temperture+2+1,R19
	sts _temperture+2,R18
	.dbline 55
; 		temperture = temperture * 0.0625*10;
	ldi R16,<L65
	ldi R17,>L65
	xcall elpm32
	movw R2,R16
	movw R4,R18
	ldi R16,<L66
	ldi R17,>L66
	xcall elpm32
	ldi R24,<_temperture
	ldi R25,>_temperture
	st -y,R25
	st -y,R24
	xcall fpmule1x
	movw R16,R2
	movw R18,R4
	xcall fpmule2
	sts _temperture+1,R17
	sts _temperture,R16
	sts _temperture+2+1,R19
	sts _temperture+2,R18
	.dbline 56
; 		if(temperture < 1000)//ds18b20由于进中断后干扰时序，最好加上校验数据
	movw R2,R16
	movw R4,R18
	ldi R16,<L69
	ldi R17,>L69
	xcall elpm32
	st -y,R19
	st -y,R18
	st -y,R17
	st -y,R16
	movw R16,R2
	movw R18,R4
	xcall fpcmp2
	brlt X24
	xjmp L67
X24:
X15:
	.dbline 57
; 		{
	.dbline 58
; 			led_buf[0] = (int)temperture/10000000%10;
	ldi R20,128
	ldi R21,150
	ldi R22,152
	ldi R23,0
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	clr R18
	sbrc R17,7
	com R18
	clr R19
	sbrc R18,7
	com R19
	st -y,R23
	st -y,R22
	st -y,R21
	st -y,R20
	xcall div32s
	ldi R20,10
	ldi R21,0
	ldi R22,0
	ldi R23,0
	st -y,R23
	st -y,R22
	st -y,R21
	st -y,R20
	xcall mod32s
	sts _led_buf,R16
	.dbline 59
; 			led_buf[1] = (int)temperture/1000000%10;
	ldi R20,64
	ldi R21,66
	ldi R22,15
	ldi R23,0
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	clr R18
	sbrc R17,7
	com R18
	clr R19
	sbrc R18,7
	com R19
	st -y,R23
	st -y,R22
	st -y,R21
	st -y,R20
	xcall div32s
	ldi R20,10
	ldi R21,0
	ldi R22,0
	ldi R23,0
	st -y,R23
	st -y,R22
	st -y,R21
	st -y,R20
	xcall mod32s
	sts _led_buf+1,R16
	.dbline 60
; 			led_buf[2] = (int)temperture/100000%10;
	ldi R20,160
	ldi R21,134
	ldi R22,1
	ldi R23,0
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	clr R18
	sbrc R17,7
	com R18
	clr R19
	sbrc R18,7
	com R19
	st -y,R23
	st -y,R22
	st -y,R21
	st -y,R20
	xcall div32s
	ldi R20,10
	ldi R21,0
	ldi R22,0
	ldi R23,0
	st -y,R23
	st -y,R22
	st -y,R21
	st -y,R20
	xcall mod32s
	sts _led_buf+2,R16
	.dbline 61
; 			led_buf[3] = (int)temperture/10000%10;
	ldi R24,10000
	ldi R25,39
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	movw R18,R24
	xcall div16s
	ldi R18,10
	ldi R19,0
	xcall mod16s
	sts _led_buf+3,R16
	.dbline 62
; 			led_buf[4] = (int)temperture/1000%10;
	ldi R24,1000
	ldi R25,3
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	movw R18,R24
	xcall div16s
	ldi R18,10
	ldi R19,0
	xcall mod16s
	sts _led_buf+4,R16
	.dbline 63
; 			led_buf[5] = (int)temperture/100%10;
	ldi R24,100
	ldi R25,0
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	movw R18,R24
	xcall div16s
	ldi R18,10
	ldi R19,0
	xcall mod16s
	sts _led_buf+5,R16
	.dbline 64
; 			led_buf[6] = (int)temperture/10%10;
	ldi R24,10
	ldi R25,0
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	movw R18,R24
	xcall div16s
	ldi R18,10
	ldi R19,0
	xcall mod16s
	sts _led_buf+6,R16
	.dbline 65
; 			led_buf[7] = (int)temperture%10;
	ldi R24,10
	ldi R25,0
	lds R18,_temperture+2
	lds R19,_temperture+2+1
	lds R16,_temperture
	lds R17,_temperture+1
	xcall fpint
	movw R18,R24
	xcall mod16s
	sts _led_buf+7,R16
	.dbline 66
; 		}
L67:
	.dbline 68
; 		
; 		if(led_buf[0] == 0)
	lds R2,_led_buf
	tst R2
	brne L77
X16:
	.dbline 69
; 		{
	.dbline 70
; 			led_buf[0] = 25;
	ldi R24,25
	sts _led_buf,R24
	.dbline 71
; 			if(led_buf[1] == 0)
	lds R2,_led_buf+1
	tst R2
	brne L79
X17:
	.dbline 72
; 			{
	.dbline 73
; 				led_buf[1] = 25;
	sts _led_buf+1,R24
	.dbline 74
; 				if(led_buf[2] == 0)
	lds R2,_led_buf+2
	tst R2
	brne L83
X18:
	.dbline 75
; 				{
	.dbline 76
; 					led_buf[2] = 25;
	sts _led_buf+2,R24
	.dbline 77
; 					if(led_buf[3] == 0)
	lds R2,_led_buf+3
	tst R2
	brne L87
X19:
	.dbline 78
; 					{
	.dbline 79
; 						led_buf[3] = 25;
	sts _led_buf+3,R24
	.dbline 80
; 						if(led_buf[4] == 0)
	lds R2,_led_buf+4
	tst R2
	brne L91
X20:
	.dbline 81
; 						{
	.dbline 82
; 							led_buf[4] = 25;
	sts _led_buf+4,R24
	.dbline 83
; 							if(led_buf[5] == 0)
	lds R2,_led_buf+5
	tst R2
	brne L95
X21:
	.dbline 84
; 							{
	.dbline 85
; 								led_buf[5] = 25;
	sts _led_buf+5,R24
	.dbline 86
; 								if(led_buf[6] == 0)
	lds R2,_led_buf+6
	tst R2
	brne L99
X22:
	.dbline 87
; 								{
	.dbline 88
; 									led_buf[6] = 25;
	sts _led_buf+6,R24
	.dbline 89
; 								}
L99:
	.dbline 90
; 							}
L95:
	.dbline 91
; 						}
L91:
	.dbline 92
; 					}
L87:
	.dbline 93
; 				}
L83:
	.dbline 94
; 			}
L79:
	.dbline 95
; 		}		
L77:
	.dbline 96
; 		Coding_led();
	xcall _Coding_led
	.dbline 97
; 		led_disbuf[6] &=~ BIT(7);
	lds R24,_led_disbuf+6
	andi R24,127
	sts _led_disbuf+6,R24
	.dbline 98
; 	}	
L63:
	.dbline 52
	xjmp L62
X23:
	.dbline -2
L61:
	.dbline 0 ; func end
	ret
	.dbsym l n 1 c
	.dbend
	.dbfunc e Coding_led _Coding_led fV
;              i -> R16
	.even
_Coding_led::
	.dbline -1
	.dbline 104
; 
; }
; 
; 
; void Coding_led(void)//8位数码管译码程序
; {
	.dbline 106
; 	unsigned char i;
; 	for(i=0;i<8;i++)
	clr R16
	xjmp L108
L105:
	.dbline 107
; 	{
	.dbline 108
; 		led_disbuf[i] = led_table[led_buf[i]];
	ldi R24,<_led_buf
	ldi R25,>_led_buf
	mov R30,R16
	clr R31
	add R30,R24
	adc R31,R25
	ldd R30,z+0
	clr R31
	ldi R24,<_led_table
	ldi R25,>_led_table
	add R30,R24
	adc R31,R25
	ldd R2,z+0
	ldi R24,<_led_disbuf
	ldi R25,>_led_disbuf
	mov R30,R16
	clr R31
	add R30,R24
	adc R31,R25
	std z+0,R2
	.dbline 109
; 	}
L106:
	.dbline 106
	inc R16
L108:
	.dbline 106
	cpi R16,8
	brlo L105
X25:
	.dbline -2
L104:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 c
	.dbend
	.area bss(ram, con, rel)
	.dbfile H:\mega128开发板rev1.1\开发板程序\ds18b20温度+数码管显示程序\MAIN.C
_temperture::
	.blkb 4
	.dbfile H:\mega128开发板rev1.1\开发板程序\ds18b20温度+数码管显示程序\define.h
	.dbsym e temperture _temperture D
_t0_ovfnum::
	.blkb 1
	.dbsym e t0_ovfnum _t0_ovfnum c
_led_buf::
	.blkb 8
	.dbsym e led_buf _led_buf A[8:8]c
_led_disbuf::
	.blkb 8
	.dbsym e led_disbuf _led_disbuf A[8:8]c
_sbit_led::
	.blkb 1
	.dbsym e sbit_led _sbit_led c
_s_wtemp::
	.blkb 2
	.dbsym e s_wtemp _s_wtemp I
_u_btemp::
	.blkb 1
	.dbsym e u_btemp _u_btemp c
_u_wtemp::
	.blkb 2
	.dbsym e u_wtemp _u_wtemp i
_u_ltemp::
	.blkb 4
	.dbsym e u_ltemp _u_ltemp l
	.area lit(rom, con, rel)
L69:
	.word 0x0,0x447a
L66:
	.word 0x0,0x3d80
L65:
	.word 0x0,0x4120
; }
; 
; 
; 
; 
; 
;
12

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