帮帮忙 谢了 谁能翻译成汇编语言
http://cache.amobbs.com/bbs_upload782111/files_35/ourdev_603896T6L06M.jpg原图 (原文件名:DS18B20温度传感器实验.jpg)
/************************* 源程序 ****************************/
#include <reg51.h>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define delayNOP() {_nop_();_nop_();_nop_();_nop_();}
sbit DQ = P3^3;
sbit LCD_RS = P2^0;
sbit LCD_RW = P2^1;
sbit LCD_EN = P2^2;
uchar code Temp_Disp_Title[]={"Current Temp : "};
uchar Current_Temp_Display_Buffer[]={" TEMP: "};
uchar code Temperature_Char =
{
0x0c,0x12,0x12,0x0c,0x00,0x00,0x00,0x00
};
uchar code df_Table[]=
{
0,1,1,2,3,3,4,4,5,6,6,7,8,8,9,9
};
uchar CurrentT = 0;
uchar Temp_Value[]={0x00,0x00};
uchar Display_Digit[]={0,0,0,0};
bit DS18B20_IS_OK = 1;
void DelayXus(uint x)
{
uchar i;
while(x--)
{
for(i=0;i<200;i++);
}
}
bit LCD_Busy_Check()
{
bit result;
LCD_RS = 0;
LCD_RW = 1;
LCD_EN = 1;
delayNOP();
result = (bit)(P0&0x80);
LCD_EN=0;
return result;
}
void Write_LCD_Command(uchar cmd)
{
while(LCD_Busy_Check());
LCD_RS = 0;
LCD_RW = 0;
LCD_EN = 0;
_nop_();
_nop_();
P0 = cmd;
delayNOP();
LCD_EN = 1;
delayNOP();
LCD_EN = 0;
}
void Write_LCD_Data(uchar dat)
{
while(LCD_Busy_Check());
LCD_RS = 1;
LCD_RW = 0;
LCD_EN = 0;
P0 = dat;
delayNOP();
LCD_EN = 1;
delayNOP();
LCD_EN = 0;
}
void LCD_Initialise()
{
Write_LCD_Command(0x01);
DelayXus(5);
Write_LCD_Command(0x38);
DelayXus(5);
Write_LCD_Command(0x0c);
DelayXus(5);
Write_LCD_Command(0x06);
DelayXus(5);
}
void Set_LCD_POS(uchar pos)
{
Write_LCD_Command(pos|0x80);
}
void Delay(uint x)
{
while(--x);
}
uchar Init_DS18B20()
{
uchar status;
DQ = 1;
Delay(8);
DQ = 0;
Delay(90);
DQ = 1;
Delay(8);
DQ = 1;
return status;
}
uchar ReadOneByte()
{
uchar i,dat=0;
DQ = 1;
_nop_();
for(i=0;i<8;i++)
{
DQ = 0;
dat >>= 1;
DQ = 1;
_nop_();
_nop_();
if(DQ)
dat |= 0X80;
Delay(30);
DQ = 1;
}
return dat;
}
void WriteOneByte(uchar dat)
{
uchar i;
for(i=0;i<8;i++)
{
DQ = 0;
DQ = dat& 0x01;
Delay(5);
DQ = 1;
dat >>= 1;
}
}
void Read_Temperature()
{
if(Init_DS18B20()==1)
DS18B20_IS_OK=0;
else
{
WriteOneByte(0xcc);
WriteOneByte(0x44);
Init_DS18B20();
WriteOneByte(0xcc);
WriteOneByte(0xbe);
Temp_Value = ReadOneByte();
Temp_Value = ReadOneByte();
DS18B20_IS_OK=1;
}
}
void Display_Temperature()
{
uchar i;
uchar t = 150, ng = 0;
if((Temp_Value&0xf8)==0xf8)
{
Temp_Value = ~Temp_Value;
Temp_Value = ~Temp_Value+1;
if(Temp_Value==0x00)
Temp_Value++;
ng = 1;
}
Display_Digit = df_Table&0x0f];
CurrentT = ((Temp_Value&0xf0)>>4) | ((Temp_Value&0x07)<<4);
Display_Digit = CurrentT/100;
Display_Digit = CurrentT%100/10;
Display_Digit = CurrentT%10;
Current_Temp_Display_Buffer = Display_Digit + '0';
Current_Temp_Display_Buffer = '.';
Current_Temp_Display_Buffer= Display_Digit + '0';
Current_Temp_Display_Buffer= Display_Digit + '0';
Current_Temp_Display_Buffer= Display_Digit + '0';
if(Display_Digit == 0)
Current_Temp_Display_Buffer= ' ';
if(Display_Digit == 0&&Display_Digit==0)
Current_Temp_Display_Buffer= ' ';
if(ng)
{
if(Current_Temp_Display_Buffer== ' ')
Current_Temp_Display_Buffer= '-';
else if(Current_Temp_Display_Buffer== ' ')
Current_Temp_Display_Buffer= '-';
else
Current_Temp_Display_Buffer= '-';
}
Set_LCD_POS(0x00);
for(i=0;i<16;i++)
{
Write_LCD_Data(Temp_Disp_Title);
}
Set_LCD_POS(0x40);
for(i=0;i<16;i++)
{
Write_LCD_Data(Current_Temp_Display_Buffer);
}
Set_LCD_POS(0x4d);
Write_LCD_Data(0x00);
Set_LCD_POS(0x4e);
Write_LCD_Data('C');
}
void main()
{
LCD_Initialise();
Read_Temperature();
Delay(50000);
Delay(50000);
while(1)
{
Read_Temperature();
if(DS18B20_IS_OK)
Display_Temperature();
DelayXus(100);
}
}
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