?????//
??//???????//
??//?Function:?Test Temperature.-30~+105?//
??//???Used Equation ???//
??//??RT/R25=e(B*((1/(T+273))-(1/298)))?//
??//???????//
??//?Change List:?V0.9 -> V0.91?(07,02)??//
??//???Change display A error??//
??//???????//
??//???V0.91 -> V0.92?(07,03)??//
??//???Add Temp Tab jiaozheng 70~100C?//
??//???????//
??//******************************************************//
??
??#include?"ADUC812.h"
??#include?"math.h"
??#include?"intrins.h"
??#include?"string.h"
??#include?"stdio.h"
??#include?"dada.h"
??
??bdata unsigned char LCD_data[8];??? ???//** Display Buffer **//
??int?ssdata[3];
??
??#define?Temp_100?235
??#define?Temp_40??1352
??
??sbit?s_data? = P2^0;???????? ???//** LCD Serial Data Port **//
??sbit ?clk_lcd = P2^2;???????? ???//** LCD Clock Port **//
??sbit ?lcd_cs? = P2^1;???????? ???//** LCD Chip Select Port **//

??sbit?led??=P2^7;

??//********** LCD Command Name Define ***********//
??#define cmd_off 0x00??????????? ???//** LCD Control Power Down **//
??#define cmd_on 0x01???????????? ???//** LCD Control Power Up **//
??#define cmd_LCD_off 0x02??????? ???//** Close LCD **//
??#define cmd_LCD_on 0x03???????? ???//** Open LCD **//
??#define cmd_LCD_B3C4 0x29?????? ???//** LCD Mode 1/3BAIS,1/4DUTY **//
??#define cmd_LCD_RC 0x18???????? ???//** LCD Control Internal Oscillator 256K **//
??
?//?data unsigned char Comm_buff[16];? ???//** Serial Port Receiver Buffer **//
??//data unsigned char Comm_len;?????? ???//** Serial Port Receiver Data Length **//
??//bit Comm_ready;?????????????????? ???//** Serial Port Receiver Flag **//

??//** LCD Code 0,1,2...A,B,F,0.,1.,...A.,B.,F. **//
??unsigned char code LCD_code[] =
??{
??0xeb,0x60,0xc7,0xe5,0x6c,0xad,0xaf,0xe0,0xef,0xed,0xee,0x2F,0x8b,0x67,0x8F,0x8e,
?? ??0xfb,0x70,0xd7,0xf5,0x7c,0xbd,0xbf,0xf0,0xff,0xfd,0xfe,0x3f,0x9b,0x77,0x9f,0x9e,
?? ??0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
?? ??};
?? ??
??//****************** delay *********************//
??void Delay(int p)????//** Delay p Clock Cycle **//
??{
???int j;
???for(j=0;j<=p;j++)
???{
????_nop_();
???}
??}
??
??//************* Delay N ms *********//?
??void Delay_ms(int n)
??{
???int?i,j;
???for(i=0;i<=n;i++)
???{
????for(j=0;j<=52;j++)???//** Delay 1 ms **//
????{
?????_nop_();
????}
???}
??}
????????
??//************* LCD Data Display ****************//
??void LCD_Display()
??{
?? ???unsigned char data i,j,k,tmp,tmp1,tmp2;

?? ???//** Write 'Writr Mode' Command Word '101' **//
????lcd_cs = 0;????//** Chip Select Enable **//
?? ???Delay(100);
???
???clk_lcd = 0;?????? ???//** Clock Down Edge **//
?? ???s_data? = 1;????//** Data '1' **//
?? ???clk_lcd = 1;?????? ???//** Clock Up Edge **//

?? ???clk_lcd = 0;?????? ???//** Clock Down Edge **//
?? ???s_data? = 0;????//** Data '0' **//
?? ???clk_lcd = 1;?????? ???//** Clock Up Edge **//

?? ???clk_lcd = 0;?????? ???//** Clock Down Edge **//
?? ???s_data? = 1;????//** Data '1' **//
?? ???clk_lcd = 1;?????? ???//** Clock Up Edge **//

?? ???s_data = 0;
?? ???for(i=0; i<6; i++)?? ???//** Write First Address '00000'(A5-A0) **//
?? ???{
???? ???? clk_lcd = 0;????? ??//** Clock Down Edge **//
???? ???? s_data? = 0;???//** Data '0' **//
???? ???? clk_lcd = 1;????? ??//**Clock Up Edge **//
?? ???}
?? ???
?? ???for(i=0; i<8; i++)?? ???//** 8 Bits Display Data **//
?? ???{
??? ????k=8;???
???? ????tmp = LCD_data[i];
???? ????tmp1 = tmp&0xf0;???? ??//** High 4 Bits **//
???? ????tmp2 = tmp&0x0f;???? ??//** Low 4 Bits **//
???? ????
???? ????//** Data Bits Write Out From M to L **//
???? ????for(j=0; j???? ????{
??????? ????clk_lcd = 0;????? ?//** Clock Down Edge **//
?????if(tmp & 0x80)??? ??//** Data Out **//
?????????? ?????s_data = 1;
??????? ????else
?????????? ?????s_data = 0;
??????? ????clk_lcd = 1;????? ?//** Clock up Edge **//
?????? ????? tmp = tmp << 1;?? ?//** Data << 1 Bit **//
???? ????}
?? ???}
?? ???lcd_cs = 1;??????????? ???//** LCD Chip Select Disable *8//
??}
????????
??//************** LCD Command Write *************//
??void LCD_CMD(unsigned char cmd)
??{
?? ???unsigned char data i;

?? ???//*** Write Command Control Word 100 ***//
?? ???lcd_cs = 0;????//** Chip Enable **//
???? ??Delay(100);
???? ???
?? ???clk_lcd = 0;??? ???//** Clock Up Edge **//
?? ???s_data? = 1;????//** Data '1' **//
?? ???clk_lcd = 1;??? ???//** Clock Down Edge **//

?? ???clk_lcd = 0;??? ???//** Clock Up Edge **//
?? ???s_data? = 0;????//** Data '0' **//
? ???clk_lcd = 1;??? ???//** Clock Down Edge **//

?? ???clk_lcd = 0;??? ???//** Clock Up Edge **//
?? ???s_data? = 0;????//** Data '0' **//
?? ???clk_lcd = 1;??? ???//** Clock Down Edge **//

?? ???//** Write Command Word Bits From M to L,Add One Bit(hardware need) **//
?? ???for(i=0; i<9; i++)
?? ???{
????? ????clk_lcd = 0;???? ??//** Clock Down Edge **//
????? ????if(cmd & 0x80)???
???????? ???s_data = 1;
????? ????else
???????? ???s_data = 0;???//** Data Write **//
????? ????clk_lcd = 1;???? ??//** Clock Up Edge **//
????? ????cmd = cmd << 1;??? ??//** Command Data <<1 Bit **//
?? ???}

?? ???lcd_cs = 1;???????? ???//** Chip Select disable **//
??}
???
??//******** Display *****************//
??void Display(float TT)
??{
???int con1=0,con2=0,con3=0,con4=0,con5=0,con6=0,dd=0,ss=0;
???long tt6;

???dd=TT*100;
???if(dd<0)
???{
????dd=abs(dd);
????LCD_data[7]=0x04;??//** +&- **//
???}
???else
???{
????LCD_data[7]=0x00;
???}

???ss=dd;
???con5=ss%10;
???
???ss=dd/10;
???con4=ss%10;
???
???ss=dd/100;
???con3=ss%10;
???
???ss=dd/1000;
???con2=ss%10;
???
???ss=dd/10000;
???con1=ss%10;
???
???tt6=TT*1000;
???dd=tt6%10;
???if(dd>=5)
???{
????con5=con5+1;
????if(con5>9)???//** V0.9 -> V0.91 chang dispaly A error **//
????{
?????con5=0;
?????con4=con4+1;
?????if(con4>9)
?????{
??????con4=0;
??????con3=con3+1;
??????if(con3>9)
??????{
???????con3=0;
???????con2=con2+1;
???????if(con2>9)
???????{
????????con2=0;
????????con1=con1+1;
???????}
??????}
?????}
????}??????//*** V0.91 end ******//
???}

???//LCD_data[7]=//LCD_code[];???//** LCD Data **//
???LCD_data[6]=LCD_code[con1];
???LCD_data[5]=LCD_code[con2];
???LCD_data[4]=LCD_code[con3+0x10];
???LCD_data[3]=LCD_code[con4];
???LCD_data[2]=LCD_code[con5];
???LCD_data[1]=0xcc;//LCD_code[com2];
???LCD_data[0]=0x8b;//LCD_code[com1];
???LCD_Display();
??}

??//*************** Clear LCD ********************//
??void Clear_LCD()
??{
???LCD_data[0] = 0x00;
?? ???LCD_data[1] = 0x00;
?? ???LCD_data[2] = 0x00;
?? ???LCD_data[3] = 0x00;
?? ???LCD_data[4] = 0x00;
?? ???LCD_data[5] = 0x00;
?? ???LCD_data[6] = 0x00;
?? ???LCD_data[7] = 0x00;
?? ???LCD_data[8] = 0x00;??
?? ???LCD_Display();
??}

??//***************** LCD Inital *****************//
??void Inital_LCD(void)
? ??{
??? ???LCD_CMD(cmd_off);????????? ??//** Close LCD System Oscillator **//
??? ???LCD_CMD(cmd_LCD_off);????? ??//** Close LCD Bisa Control **//
??? ???LCD_CMD(cmd_LCD_RC);??? ??//** Start internal RC Oscillator **//
?????? ???LCD_CMD(cmd_on);??????? ??//** Open LCD System Oscillator **//
??? ???LCD_CMD(cmd_LCD_on);? ???//** Open LCD Bisa Control **//
??? ???LCD_CMD(cmd_LCD_B3C4);?? ??//** Set Mode 1/3BAIS,1/4DUTY **//
? ??}?
??
??//****** Serial Port set *******//
??void Inital_Serial(void)
??{
???SCON=0x52;???//** Serial Mode 1 **//
???TMOD=0x21;???//** T1 Mode 2 **//
???TH1=0xFD;
???TL1=0xFD;???//** Baud 9600 **//
???TR1=1;????//** Start T1 **//
???TI=1;????//** Open Int T1 **//
???EA=1;????//** Open All Int **//
??}
??
??//********** LCD Check *********//
??LCD_Check()
??{
???int?i;
???for(i=0;i<5;i++)
???{
????Clear_LCD();
????led=1;
????Delay_ms(500);
????LCD_data[7]=0xFF;???//** LCD Data = FF **//
????LCD_data[6]=0xFF;
????LCD_data[5]=0xFF;
????LCD_data[4]=0xFF;
????LCD_data[3]=0xFF;
????LCD_data[2]=0xFF;
????LCD_data[1]=0xFF;
????LCD_data[0]=0xFF;
????LCD_Display();
????led=0;
????Delay_ms(500);
???}
??}
??
??//************** AD Inital *************//
??void AD_Set(void)
??{
??? ADCCON1=0x7C;???//** Start ADC,Clock=CK/8,8Clock **//
??? ADCCON2=0x21;???//** serial ADC, Port 4 **//
??? Delay(100);
??}
??
??//********************************** Main Program *************************************//
??void main(void)
??{
???int?Data;
???int?i,j,Channel;
???float Sum;
???float Temp;
???
???//****** Inital Set *****//
???Inital_Serial();
???Inital_LCD();
???LCD_Check();
???
???AD_Set();
???
???//******* Start *************//
???while(1)
???{
????Channel=ADCDATAH>>4;
????if(Channel==0x01)
????{
?????Sum=0;
?????for(i=0;i<100;i++)
?????{
??????Data=ADCDATAL|((ADCDATAH&0x0F)<<8);
?????//?printf("%d\n",Data);
??????Sum=Sum+Data;
?????}
????
?????Sum=Sum/100.0;
????//?Sum=1800.0;???//*** V0.91 -> V0.92 ADD check Tab **//
?????if(Sum<=Temp_40)
?????{
??????if(Sum>=Temp_100)
??????{
???????for(i=0;i<75;i++)
???????{
????????if(Sum<=ADC_Data[i])
????????{
?????????j=i;?
????????}
???????}

???????Temp=Temp_Tab[j]+((Temp_Tab[j+1]-Temp_Tab[j])*(ADC_Data[j]-Sum)/(ADC_Data[j]-ADC_Data[j+1]));
??????}?????//** V0.92 change end **//
?????}
?????else
?????{
??????Temp=1.0/((log(Sum/2250.0))/3470.0+(1.0/298.0))-273.0;
?????
?????}?
?????Delay(50);
????}
????//Temp=101.372;
???
????printf("temperature=%.1f\n",Temp);
????Delay_ms(900);?
????Display(Temp);
????Delay(20);
???}
???
???
??}
???

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