簡單溫度控制完整程序

1、簡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)設定顯示位置lcd_wcmd(pos | 0 x80);void lcd_wdat(uchar dat)/寫入字符顯示數(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)說明：先寫顯示地址，后寫顯示數(shù)據(jù)調(diào)用:lcd_wcmd(), lcd_pos()入口參數(shù)：pos寫入的位置，q指向要寫入的數(shù)據(jù)所在的數(shù)組返回值：無*/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);延時函數(shù)void delay(uchar ms) / 延時子程序 uchari ;while(ms-)for(i = 0 ; i0;i-)DQ = 1;delay2(5);DQ = 0; /給脈沖信號dat=1;DQ = 1; /給脈沖信號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)/*/寫一個字節(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); 跳過讀序號列號的操作WriteOneChar(0 x44); II 啟動溫度轉換 delay2(200);Init_DS18B20();WriteOneChar(0 xCC); 跳過讀序號列號的操作WriteOneChar(0 xBE); 讀取溫度寄存器等(共可讀9個寄存器)前兩個就是溫度=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 的值就是實測溫度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