簡(jiǎn)單溫度控制完整程序

1、簡(jiǎn)單溫度控制完整程序#include #include #define uchar unsigned char#define uint unsigned int sbit rs = P3A4 ;sbit rw = P3A5 ;sbit ep = P3A7 ;unsigned int set1=30,set2=10;unsigned char flag=0;sbit DQ =P1A7;/定義通信端口sbit fengmingqi=P1A1;sbit jidianqi=P1A5;codeucharmayuan=0,T,2,3,4；5,6,7,8,9; code uchar aa=wendu is:

2、; code uchar bb=sheding :;typedef bit BOOL ;unsigned char k,dat_wr8,dat_rd8;void putchar(uchar weizhi,uchar da);void delay(uchar);void lcd_wcmd(uchar);BOOL lcd_bz();void lcd_pos(uchar);void lcd_wdat(uchar);void display(uchar,uchar *);void lcd_init();void longdelay(uchar s);void keyscan(void);BOOL lc

3、d_bz() II測(cè)試LCD忙碌狀態(tài)BOOL result ;rs = 0 ;rw = 1 ;ep = 1 ;result = (BOOL)(P2 & 0 x80);ep = 0 ;return result ;void lcd_wcmd(uchar cmd)寫(xiě)入指令數(shù)據(jù)到LCDwhile(lcd_bz();rs = 0 ;rw = 0 ;ep = 0 ;P2 = cmd ;ep = 1 ;ep = 0 ;void lcd_pos(uchar pos)設(shè)定顯示位置lcd_wcmd(pos | 0 x80);void lcd_wdat(uchar dat)/寫(xiě)入字符顯示數(shù)據(jù)到LCDwhile(l

4、cd_bz();rs = 1 ;rw = 0 ;ep = 0 ;P2 = dat ;ep = 1 ;ep = 0 ; void lcd_init() /LCD初始化設(shè)定lcd_wcmd(0 x38);delay(1);lcd_wcmd(0 x38);delay(1);lcd_wcmd(0 x08);delay(1);lcd_wcmd(0 x01);delay(1);lcd_wcmd(0 x06);delay(1) ;lcd_wcmd(0 x0c);/function set/function set/display on/off清除LCD的顯示內(nèi)容/entry mode set/entry m

5、ode setdelay(1);函數(shù)名稱：display()功能：在LCD上顯示數(shù)組的數(shù)據(jù)說(shuō)明：先寫(xiě)顯示地址，后寫(xiě)顯示數(shù)據(jù)調(diào)用:lcd_wcmd(), lcd_pos()入口參數(shù)：pos寫(xiě)入的位置，q指向要寫(xiě)入的數(shù)據(jù)所在的數(shù)組返回值：無(wú)*/void display(uchar pos, uchar *q)uchari ;/lcd_wcmd(0 x01) ; /cleardelay(10);lcd_pos(pos);for(i=0 ;i9;i+)lcd_wdat(*q);q+ ;void putchar(uchar weizhi,uchar da)delay(2);lcd_pos(weizhi)

6、;lcd_wdat(da);延時(shí)函數(shù)void delay(uchar ms) / 延時(shí)子程序 uchari ;while(ms-)for(i = 0 ; i0;i-)DQ = 1;delay2(5);DQ = 0; /給脈沖信號(hào)dat=1;DQ = 1; /給脈沖信號(hào)if(DQ)dat|=0 x80;delay2(5);DQ = 1;return(dat);業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)/*業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè) 不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不不

7、不不不不不業(yè)業(yè)業(yè)業(yè)業(yè)逢業(yè)業(yè)逢業(yè)業(yè)業(yè)業(yè)逢業(yè)/*/寫(xiě)一個(gè)字節(jié)void WriteOneChar(unsigned char dat)unsigned char i=0;for (i=8; i0; i-)DQ = 1;delay2(5);DQ = 0;DQ = dat&0 x01;delay2(5);DQ = 1;dat=1;delay(5);業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)業(yè)，1 /*/讀取溫度unsigned int ReadTemperature(void) unsigned int a=0;unsigned int b=0;unsigned int t=0;Ini

8、t_DS18B20();WriteOneChar(0 xCC); 跳過(guò)讀序號(hào)列號(hào)的操作WriteOneChar(0 x44); II 啟動(dòng)溫度轉(zhuǎn)換 delay2(200);Init_DS18B20();WriteOneChar(0 xCC); 跳過(guò)讀序號(hào)列號(hào)的操作WriteOneChar(0 xBE); 讀取溫度寄存器等(共可讀9個(gè)寄存器)前兩個(gè)就是溫度=Ja=ReadOneChar(); 讀低八位數(shù)據(jù)b=ReadOneChar();讀最高四位，一共十二位b=8;/b4;/b與a組成最高的八位c ,算時(shí)舍去了最低四位，只保留5到12位(c*2*2*2*2*0.0625=c*1=c),所 以 c 的值就是實(shí)測(cè)溫度t=b+a;return(t); main()uint bai,shi,ge;float v;int j;unsigned int i;fengmingqi=1;jidianqi=1;delay(10);lcd_init() ;/ 初始化 LCDdisplay(0 x00,aa);display(0 x40,bb);while(1)i