完善资料让更多小伙伴认识你，还能领取20积分哦， 立即完善>
3天内不再提示
|
#include #include #define DD P2 ***it CS=P1^0; //定义端口 ***it CLK=P1^1; ***it Do=P1^2; ***it Di=P1^3; ***it KEY=P1^7; ***it buzzer=P0^0; ***it Rs=P1^4;//LCD定义端口 ***it Rw=P1^5; ***it E=P1^6; ***it busy_p=ACC^7; unsigned char CH=0x02,key_count=1; unsigned char HC[6]={0}; unsigned char BZ=0; void delay_1ms(unsigned char i) //延时函数1ms { unsigned char j; while(i--) for(j=0;j<125; j++); } void delay_10ns(unsigned char i)//延时函数10ns { unsigned char j; while(i--) for(j=0;j<10; j++); } void xiezhiling(unsigned char com,bit p)//写命令函数 { if(p) delay_10ns(5); E=0; Rs=0; Rw=0; DD=com; delay_10ns(50); E=1; delay_1ms(2); E=0; delay_10ns(4); } void xieshuju(unsigned char DATA)//写数据函数 { delay_10ns(50); E=0; Rs=1; Rw=0; DD=DATA; delay_10ns(50); E=1; delay_10ns(50); E=0; delay_10ns(4); } void init(void)//初始化函数 { delay_1ms(15); xiezhiling(0x38,0); delay_1ms(5); xiezhiling(0x38,0); delay_1ms(5); xiezhiling(0x38,0); delay_1ms(5); xiezhiling(0x38,1); //功能设定（8位，2行，5*7点矩阵) xiezhiling(0x08,1); xiezhiling(0x01,1); //清除屏幕 xiezhiling(0x06,1); //加1 xiezhiling(0x0c,1);//显示器ON，光标OFF，闪烁OFF } unsigned char ADconv(void)//AD转换子程序 { unsigned char i; unsigned int data_f=0,data_c=0; Di=1; CS=1; _nop_(); CS=0; Di=1; CLK=1; _nop_(); _nop_(); CLK=0; _nop_(); _nop_(); CLK=1; Di=(bit)(0x02&CH); _nop_(); CLK=0; _nop_(); _nop_(); CLK=1; Di=(bit)(0x01&CH); _nop_(); _nop_(); CLK=0; Di=1; CLK=1; _nop_(); _nop_(); CLK=0; _nop_(); CLK=1; for(i=8;i>0;i--) { data_f|=Do; data_f<<=1; CLK=1; _nop_(); _nop_(); CLK=0; _nop_(); } for(i=8;i>0;i--) { data_c<<=1; data_c|=Do; _nop_(); CLK=1; _nop_(); _nop_(); CLK=0; _nop_(); } CLK=0; _nop_(); _nop_(); CLK=1; _nop_(); _nop_(); CLK=0; _nop_(); _nop_(); CLK=1; _nop_(); CS=1; _nop_(); _nop_(); return data_f; } void xs_int(unsigned int shuju)//将一个数据各个位分开并存放在H C[]数组中 { if(shuju < 10) BZ = 1; else if(shuju < 100) BZ = 2; else if(shuju < 1000) BZ = 3; else if(shuju < 10000) BZ = 4; else if(shuju < 65535) BZ = 5; switch(BZ) { case 5:HC[5] = shuju/10000; //百位 case 4:HC[3] = shuju%10000/1000;//十位 case 3:HC[2] = shuju%1000/100;//个位 case 2:HC[1] = shuju%100/10;//小数点后一位 case 1:HC[0] = shuju%10; break; default:break; } } void main(void)//主函数 { unsigned int data_temp=0; init(); TMOD=0x01; TH0=(65536-50000)/256; TL0=(65536-50000)%256; ET0=1; TR0=1; while(1) { data_temp=ADconv(); if(data_temp>128)//报警数值 { EA=1; } else { EA=0; buzzer=0; } P3=~data_temp; xs_int(196*data_temp); if(KEY==0) { delay_1ms(10); if(KEY==0) while(!KEY); key_count++; if(key_count==3) key_count=1; xiezhiling(0x01,0); } if(key_count==1) { xiezhiling(0x80,1);//LCD第一行 xieshuju('P'); xieshuju('R'); xieshuju('E'); xieshuju('S'); xieshuju('S'); xieshuju('U'); xieshuju('R'); xieshuju('E'); xieshuju('-'); xieshuju(HC[5]+0x30); xieshuju(HC[3]+0x30); xieshuju(HC[2]+0x30); xieshuju('.'); xieshuju(HC[1]+0x30); xieshuju('P'); xieshuju('a'); xiezhiling(0x80+0x40,1);//LCD第二行 xieshuju('A'); xieshuju('l'); xieshuju('a'); xieshuju('r'); xieshuju('m'); xieshuju(' '); xieshuju('S'); xieshuju('t'); xieshuju('a'); xieshuju('t'); xieshuju('u'); xieshuju('s'); xieshuju('-'); xieshuju('-'); xieshuju('O'); xieshuju('N'); } if(key_count==2) { xiezhiling(0x80,1);//LCD第一行 xieshuju('P'); xieshuju('r'); xieshuju('e'); xieshuju('s'); xieshuju('s'); xieshuju('u'); xieshuju('r'); xieshuju('e'); xieshuju(' '); xieshuju('i'); xieshuju('s'); xieshuju(' '); xieshuju('O'); xieshuju('K'); xieshuju(' '); xieshuju(' '); xiezhiling(0x80+0x40,1);//LCD第二行 xieshuju('m'); xieshuju('a'); xieshuju('d'); xieshuju('e'); xieshuju(' '); xieshuju('B'); xieshuju('Y'); xieshuju(' '); xieshuju('y'); xieshuju('u'); xieshuju('a'); xieshuju('n'); xieshuju('s'); xieshuju('h'); xieshuju('u'); xieshuju('o'); xieshuju(' '); } } } void timer0() interrupt 1 // 中断方式1 { TH0=(65536-50000)/256; TL0=(65536-50000)%256; buzzer=!buzzer; } 
0
|
|
相关推荐
4个回答
|
|
|
你可以参考一下
#include #define LCD1602_DB P0 //data bus 数据总线 ***it LCD1602_RS = P2^6; ***it LCD1602_RW = P2^5; ***it LCD1602_EN = P2^7; void InitLcd1602(); void LcdShowStr(unsigned char x,unsigned char y,unsigned char *str); void main() { unsigned char str[] = "Welcome To Lcd"; InitLcd1602(); LcdShowStr(0,0,str); while(1); } void Read_Busy() //忙检测函数，判断bit7是0，允许执行；1禁止 { unsigned char sta; // LCD1602_DB = 0xff; LCD1602_RS = 0; LCD1602_RW = 1; do { LCD1602_EN = 1; sta = LCD1602_DB; LCD1602_EN = 0; //使能，用完就拉低，释放总线 }while(sta & 0x80); } void Lcd1602_Write_Cmd(unsigned char cmd) //写命令 { Read_Busy(); LCD1602_RS = 0; LCD1602_RW = 0; LCD1602_DB = cmd; LCD1602_EN = 1; LCD1602_EN = 0; } void Lcd1602_Write_Data(unsigned char dat) //写数据 { Read_Busy(); LCD1602_RS = 1; LCD1602_RW = 0; LCD1602_DB = dat; LCD1602_EN = 1; LCD1602_EN = 0; } void LcdSetCursor(unsigned char x,unsigned char y) //坐标显示 { unsigned char addr; if(y == 0) addr = 0x00 + x; else addr = 0x40 + x; Lcd1602_Write_Cmd(addr|0x80); } void LcdShowStr(unsigned char x,unsigned char y,unsigned char *str) //显示字符串 { LcdSetCursor(x,y); //当前字符的坐标 while(*str != ' ') { Lcd1602_Write_Data(*str++); } } void InitLcd1602() //1602初始化 { Lcd1602_Write_Cmd(0x38); //打开，5*8,8位数据 Lcd1602_Write_Cmd(0x0c); Lcd1602_Write_Cmd(0x06); Lcd1602_Write_Cmd(0x01); //清屏 } #ifndef __REG52_H__ #define __REG52_H__ /* BYTE Registers */ sfr P0 = 0x80; sfr P1 = 0x90; sfr P2 = 0xA0; sfr P3 = 0xB0; sfr PSW = 0xD0; sfr ACC = 0xE0; sfr B = 0xF0; sfr SP = 0x81; sfr DPL = 0x82; sfr DPH = 0x83; sfr PCON = 0x87; sfr TCON = 0x88; sfr TMOD = 0x89; sfr TL0 = 0x8A; sfr TL1 = 0x8B; sfr TH0 = 0x8C; sfr TH1 = 0x8D; sfr IE = 0xA8; sfr IP = 0xB8; sfr SCON = 0x98; sfr SBUF = 0x99; /* 8052 Extensions */ sfr T2CON = 0xC8; sfr RCAP2L = 0xCA; sfr RCAP2H = 0xCB; sfr TL2 = 0xCC; sfr TH2 = 0xCD; /* BIT Registers */ /* PSW */ ***it CY = PSW^7; ***it AC = PSW^6; ***it F0 = PSW^5; ***it RS1 = PSW^4; ***it RS0 = PSW^3; ***it OV = PSW^2; ***it P = PSW^0; //8052 only /* TCON */ ***it TF1 = TCON^7; ***it TR1 = TCON^6; ***it TF0 = TCON^5; ***it TR0 = TCON^4; ***it IE1 = TCON^3; ***it IT1 = TCON^2; ***it IE0 = TCON^1; ***it IT0 = TCON^0; /* IE */ ***it EA = IE^7; ***it ET2 = IE^5; //8052 only ***it ES = IE^4; ***it ET1 = IE^3; ***it EX1 = IE^2; ***it ET0 = IE^1; ***it EX0 = IE^0; /* IP */ ***it PT2 = IP^5; ***it PS = IP^4; ***it PT1 = IP^3; ***it PX1 = IP^2; ***it PT0 = IP^1; ***it PX0 = IP^0; /* P3 */ ***it RD = P3^7; ***it WR = P3^6; ***it T1 = P3^5; ***it T0 = P3^4; ***it INT1 = P3^3; ***it INT0 = P3^2; ***it TXD = P3^1; ***it RXD = P3^0; /* SCON */ ***it SM0 = SCON^7; ***it SM1 = SCON^6; ***it SM2 = SCON^5; ***it REN = SCON^4; ***it TB8 = SCON^3; ***it RB8 = SCON^2; ***it TI = SCON^1; ***it RI = SCON^0; /* P1 */ ***it T2EX = P1^1; // 8052 only ***it T2 = P1^0; // 8052 only /* T2CON */ ***it TF2 = T2CON^7; ***it EXF2 = T2CON^6; ***it RCLK = T2CON^5; ***it TCLK = T2CON^4; ***it EXEN2 = T2CON^3; ***it TR2 = T2CON^2; ***it C_T2 = T2CON^1; ***it CP_RL2 = T2CON^0; #endif
最佳答案
|
|
|
2016-4-21 23:08:50
评论
|
|
|
|
|
|
|
|
|
呵呵，不知道对不对哈， #ifndef __REG52_H__ #define __REG52_H__ 这个之后可以不要了。 |
|
|
|
|
|
路过学习，谢谢分享。。。。。
|
|
|
|
|
你正在撰写答案
如果你是对答案或其他答案精选点评或询问，请使用“评论”功能。
4607 浏览 3 评论
5890 浏览 1 评论
6164 浏览 0 评论
Protues中自己封装的芯片元件无Program File、Clock Frequency选项怎么解决，求求大神了！
7901 浏览 1 评论
基于51单片机的车辆倒车雷达报警系统，HC-SR04超声波测距，全套资料
1226 浏览 0 评论
/6 
关注我们的微信
下载发烧友APP
电子发烧友观察
版权所有 © 湖南华秋数字科技有限公司
电子发烧友 （电路图） 湘公网安备 43011202000918 号 电信与信息服务业务经营许可证：合字B2-20210191
工商网监
湘ICP备2023018690号
7017
淘帖
3648
