Protues仿真赛 仿真模块和程序代码

Protues仿真赛DA模块（DAC0832）实例程序（实现0到255八位二进制的模拟电压转换）#include "reg51.h"#define uchar unsigned char#define uint unsigned int#define out P1sbitdac_cs=P2^0;sbitdac_wr=P2^1;void main(){uchar i=0,k=100;while(1){out=i;dac_cs=0;dac_wr=0;dac_cs=1;dac_wr=1;i++;if(i>255)i=0;while(--k);}}ADC0804模块与红外测距传感器GP2D12实例程序（将红外测距显示的距离化成P1口的八位二进制）uint adc0804()//adc0804读取数据并送入P1口，read=1991/(read+3)-7为距离传感器的计算公式{wr = 0;read = P1;delayms(10);wr=1;delayms(10);read=1991/(read+3)-7;return read;}LCD1602模块初始化#include<reg51.h>#include<intrins.h>#define uint unsigned int#define uchar unsigned charsbit LCD_RS=P2^0; //lcd1602数据、命令选择端sbit LCD_EN=P2^2; //lcd1602使能线void LCD_init(void) //LCD初始化{LCD_EN=0;write_cmd(0x38);write_cmd(0x0c);write_cmd(0x06);write_cmd(0x01);}void write_cmd(uchar com) //写命令到LCD{LCD_RS=0;P0=com;delayms(5);LCD_EN=1;delayms(5);LCD_EN=0;}void write_data(uchardat) //写显示数据到LCD {LCD_RS=1;P0=dat;delayms(5);LCD_EN=1;delayms(5);LCD_EN=0;}void LCD_pos(ucharx,uchar y) //显示地址{ ucharpos;switch(x){case 0:x=0x80;break;case 1:x=0xc0;break;}pos=x+y;write_cmd(pos);}DS18B20温度传感器程序/*--------------精确延时5us子程序---------*/ void delay5(uchar n){do{_nop_();_nop_();_nop_();n--;}while(n);}/*--------------初始化函数--------------------*/ void init_ds18b20(void){uchar x=0;DQ =0;delay5(120);DQ =1;delay5(16);delay5(80);}/*--------------读取一字节函数----------------*/ ucharreadbyte(void){uchar i=0;uchar date=0;for (i=8;i>0;i--){DQ =0;delay5(1);DQ =1; //15微秒内拉释放总线date>>=1;if(DQ)date|=0x80;delay5(11);}return(date);}/*--------------写一字节函数------------------*/ voidwritebyte(uchardat){uchar i=0;for(i=8;i>0;i--){DQ =0;DQ =dat&0x01;//写"1" 在15微秒内拉低delay5(12); //写"0" 拉低60微秒DQ = 1;dat>>=1;delay5(5);}}/*--------------读取温度函数------------------*/ ucharretemp(void){uchara,b,tt;uint t;init_ds18b20();writebyte(0xCC);writebyte(0x44);init_ds18b20();writebyte(0xCC);writebyte(0xBE);a=readbyte();b=readbyte();t=b;t<<=8;t=t|a;tt=t*0.0625;return(tt);}定时器简单仿真与程序（控制P1^0口输出10Hz到2KHz的可调方波）void timer0() interrupt 1{TH0=X1;TL0=X2;OUTPUT=~OUTPUT;}void int0_ser(void) interrupt 0{FREQ=FREQ+10;X1=(uint)(65536-(double)(500000/(1.020*FREQ)))/256; //定时器初值计算X2=(uint)(65536-(double)(500000/(1.020*FREQ)))%256;TR0=1;}void int1_ser(void) interrupt 2{FREQ=FREQ-10;X1=(uint)(65536-(double)(500000/(1.020*FREQ)))/256; //定时器初值计算X2=(uint)(65536-(double)(500000/(1.020*FREQ)))%256;TR0=1;}//----------------------------------------------------------------------------------- //函数名:main();//函数功能:主函数入口;//------------------------------------------------------------------------------------ int main(){OUTPUT = 1;FREQ=10;TMOD=0X01;TR0=1;X1=(uint)(65536-(double)(500000/(1.020*FREQ)))/256; //定时器初值计算公式X2=(uint)(65536-(double)(500000/(1.020*FREQ)))%256;EX0=1;EX1=1;IT0=1;IT1=1;ET0=1;EA=1;LCD_init();string(0x80,"Have a nice day!");string(0xC0," Proteus VSM");delay(100);write_command(0x01);delay(100);while(1){delay(1000);write_command(0x80);string(0x80,"Frequency:");write_command(0x80+10);write_data(0x30+FREQ/1000);write_data(0x30+FREQ%1000/100);write_data(0x30+FREQ%1000%100/10);write_data(0x30+FREQ%1000%100%10/1); }}IO口开关实验main(){ucharkey_s,key_v;key_v = 0x03;LED = 0xfe;while(1){key_s = scan_key();if(key_s != key_v){delayms(10);key_s = scan_key();if(key_s != key_v){key_v = key_s;proc_key(key_v);}}}}ucharscan_key() {ucharkey_s;key_s = 0x00;key_s |= K2;key_s<<= 1;key_s |= K1;returnkey_s;}voidproc_key(ucharkey_v) {if((key_v& 0x01) == 0){LED = _cror_(LED,1);}else if((key_v& 0x02) == 0){LED = _crol_(LED, 1);}}LCD12864显示屏程序#define lcdrow 0xc0//设置起始行#define lcdpage 0xb8//设置起始页#define lcdcolumn 0x40//设置起始列#define c_page_max 0x08//页数最大值#define c_column_max 0x40//列数最大值//端口定义#define bus P0sbitrst=P2^0;sbit e=P2^2;sbitrw=P2^3;sbitrs=P2^4;sbit cs1=P2^5;sbit cs2=P2^6;//函数申明void delayms(uint); //延时n msvoid delayus10(void);//延时10usvoid select(uchar); //选择屏幕void send_cmd(uchar); //写命令void send_data(uchar); //写数据void clear_screen(void);//清屏void initial(void); //LCD初始化void display_zf(uchar,uchar,uchar,uchar); //显示字符void display_hz(uchar,uchar,uchar,uchar); //显示汉字void display(void); //在LCD上显示void main(){initial();display();clear_screen();display();while(1);}//延时10usvoid delayus10(void){uchar i=5;while(--i);}//延时10msvoid delayms(uint j){uchar i=250;for(;j>0;j--){ while(--i); i=249;while(--i);i=250;}}//屏幕选择-cs=0选择双屏,cs=1选择左半屏,cs=2选择右半屏void select(ucharcs){if(cs==0)cs1=1,cs2=1;else if(cs==1)cs1=1,cs2=0;else cs1=0,cs2=1;}//写命令void send_cmd(ucharcmd){rs=0;rw=0; bus=cmd;delayus10();e=1;e=0;}//写数据void send_data(uchardat){rs=1;rw=0; bus=dat;delayus10();e=1;e=0;}//清屏void clear_screen(void){ucharc_page,c_column;select(0);for(c_page=0;c_page<c_page_max;c_page++){send_cmd(c_page+lcdpage);send_cmd(lcdcolumn);for(c_column=0;c_column<c_column_max;c_column++) {send_data(0X00);}}}//LCD初始化void initial(void){select(0);rst=0;delayms(10);rst=1;clear_screen();send_cmd(lcdrow);send_cmd(lcdcolumn);send_cmd(lcdpage);send_cmd(0x3f);}//写字符//c_page为当前页,c_column为当前列，num为字符数，//offset为所取字符在显示缓冲区中的偏移单位voiddisplay_zf(ucharc_page,ucharc_column,ucharnum,uchar offset){uchar c1,c2,c3;for(c1=0;c1<num;c1++){for(c2=0;c2<2;c2++){for(c3=0;c3<8;c3++){send_cmd(lcdpage+c_page+c2);send_cmd(lcdcolumn+c_column+c1*8+c3);send_data(table_zf[(c1+offset)*16+c2*8+c3]);}}}}//写汉字//c_page为当前页,c_column为当前列，num为字符数，//offset为所取汉字在显示缓冲区中的偏移单位voiddisplay_hz(ucharc_page,ucharc_column,ucharnum,uchar offset){uchar c1,c2,c3;for(c1=0;c1<num;c1++){for(c2=0;c2<2;c2++){for(c3=0;c3<16;c3++){send_cmd(lcdpage+c_page+c2);send_cmd(lcdcolumn+c_column+c1*16+c3);send_data(table_hz[(c1+offset)*32+c2*16+c3]);}}}}//在LCD上显示void display(void) {select(1);display_zf(0,40,3,0); display_hz(2,0,4,0); display_hz(4,32,2,8); select(2);display_zf(0,0,4,3); display_hz(2,0,4,4); display_hz(4,0,2,10); }DHT11程序#include<reg52.h>#include<Time_Delay.h> sbit bit11=P2^0;unsignedcharU8T_data_H,U8T_data_L,U8RH_data_H,U8RH_data_L,U8check data;float F16T,F16RH; //用于最终读取的温湿度数据// read 8 bits onicechar COM(void){char i,U8temp,U8comdata;for(i=0;i<8;i++){while(!bit11);//表示读取的高电位延时大于20多us 则读取的是1 否则读取0Delay_us(35); //通过U8FLAG 可判断 bit11 显示数据的脉长U8temp=0;if(bit11)U8temp=1;while(bit11);U8comdata<<=1;U8comdata|=U8temp; //0}//rofreturn U8comdata;}//--------------------------------//-----温湿度读取子程序------------//--------------------------------//----以下变量均为全局变量--------//----温度高8位== U8T_data_H------//----温度低8位== U8T_data_L------//----湿度高8位== U8RH_data_H-----//----湿度低8位== U8RH_data_L-----//----校验8位== U8checkdata-----//----调用相关子程序如下----------//---- Delay();, Delay_10us();,COM();//--------------------------------void getDHT11(void){//主机拉低18msGO1: bit11=0;Delay_ms(20);bit11=1;//总线由上拉电阻拉高主机延时20usDelay_us(60);//主机设为输入判断从机响应信号// bit11=1;//判断从机是否有低电平响应信号如不响应则跳出，响应则向下运行if(!bit11) //T !{while(!bit11); //wait DHT goto highwhile(bit11);//数据接收状态U8RH_data_H=COM();U8RH_data_L=COM();U8T_data_H=COM();U8T_data_L=COM();U8checkdata=COM();bit11=1;//数据校验if((U8T_data_H+U8T_data_L+U8RH_data_H+U8RH_data_L)!=U8checkdata) //if check wrong,read againgoto GO1;}F16T=U8T_data_H+(float)U8T_data_L/256; //change integer to float F16RH=U8RH_data_H+(float)U8RH_data_L/256;}void Delay_ms(unsigned int n)//n毫秒延时{unsigned char j;while(n--){for(j=0;j<125;j++);}}void Delay_us(unsigned char n) //N us延时函数精度±4us{n=n/2;while(--n);}复位电路晶振电路。