温度传感器的单片机处理显示程序.doc

温度传感器的单片机处理显示程序 作者： 日期：13 个人收集整理 勿做商业用途/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 70100C/*/#include”ADUC812.h”include”math.h#includeintrins.h#include”string.h”includestdio.h#includedada.hbdata unsigned char LCD_data8； / Display Buffer */intssdata3；#defineTemp_100235defineTemp_401352sbits_data = P20; /* LCD Serial Data Port */sbit clk_lcd = P22; /* LCD Clock Port */sbit lcd_cs = P21； /* LCD Chip Select Port /sbitled=P27;/* 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_buff16； / 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)inti，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； i6; i+） / Write First Address 00000（A5A0） */ clk_lcd = 0； /* Clock Down Edge / s_data = 0;/* Data 0 / clk_lcd = 1； /Clock Up Edge */ for（i=0； i8; i+) / 8 Bits Display Data */ k=8; tmp = LCD_datai; tmp1 = tmp&0xf0； /* High 4 Bits */ tmp2 = tmp&0x0f; /* Low 4 Bits */ /* Data Bits Write Out From M to L / for(j=0； jk; 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； i9; 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 =5）con5=con5+1；if（con59)/ V0。9 V0.91 chang dispaly A error /con5=0;con4=con4+1；if（con49)con4=0；con3=con3+1;if(con39）con3=0;con2=con2+1；if（con29）con2=0;con1=con1+1;/* V0。91 end */LCD_data7=/LCD_code；/* LCD Data */LCD_data6=LCD_codecon1;LCD_data5=LCD_codecon2;LCD_data4=LCD_codecon3+0x10；LCD_data3=LCD_codecon4；LCD_data2=LCD_codecon5；LCD_data1=0xcc；/LCD_codecom2；LCD_data0=0x8b;/LCD_codecom1;LCD_Display（）；/* Clear LCD */void Clear_LCD（)LCD_data0 = 0x00； LCD_data1 = 0x00; LCD_data2 = 0x00； LCD_data3 = 0x00; LCD_data4 = 0x00； LCD_data5 = 0x00; LCD_data6 = 0x00； LCD_data7 = 0x00； LCD_data8 = 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（）inti；for（i=0；i5；i+)Clear_LCD();led=1；Delay_ms(500)；LCD_data7=0xFF;/ LCD Data = FF */LCD_data6=0xFF；LCD_data5=0xFF;LCD_data4=0xFF;LCD_data3=0xFF;LCD_data2=0xFF;LCD_data1=0xFF;LCD_data0=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)intData;inti，j，Channel；float Sum；float Temp;/* Inital Set */Inital_Serial（）；Inital_LCD()；LCD_Check（)；AD_Set（);/* Start */while（1）Channel=ADCDATAH4;if(Channel=0x01）Sum=0;for(i=0；i100;i+）Data=ADCDATAL（ADCDATAH0x0F)8）；/printf(”%dn，Data);Sum=Sum+Data;Sum=Sum/100。0；/Sum=1800。0;/ V0。91 - V0。92 ADD check Tab */if(Sum=Temp_100)for(i=0；i75;i+）if(Sum=ADC_Datai）j=i；Temp=Temp_Tabj+（(Temp_Tabj+1-Temp_Tabj)*（ADC_Dataj-Sum)/（ADC_DatajADC_Dataj+1);/* V0。92 change end */elseTemp=1。0/（(log(Sum/2250.0）/3470.0+(1.0/298.0)273.0；Delay(50);/Temp=101.372；printf（”temperature=。1fn，Temp）；Delay_ms（900);Display(Temp）;Delay（20)；