PWM.rar_PWM 温度_pwm温度控制_温度控制 pcb_程序_程序图

#include<reg52.h> #include <intrins.h> #include "Lcd.H" #define uchar unsigned char #define uint unsigned int unsigned char flag; sbit CS = P2^7; sbit SID= P2^6; sbit CLK= P2^5; uchar code addr[]={ 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f, 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f };//DDRAM地址 uchar code datshu[]={ 0x30,/*0*/ 0x31,/*1*/0x32,/*2*/0x33,/*3*/ //数字库：0123456789. 0x34,/*4*/ 0x35,/*5*/0x36,/*6*/0x37,/*7*/ 0x38,/*8*/ 0x39,/*9*/0x2e,/*.*/0x41,/*A*/0x56 /*V*/}; /*********************************************************/ /*Header:Lcd.h /*File Name:Lcd.c /*Author: 陈培炜，杨帆 /*Data;2007 /*Function:程序内部调用的函数 /*********************************************************/ void Send(unsigned char senddata); void WriteCmd( uchar cmd ); void WriteData( uchar Data ); void displayChar( uchar *x_add, uchar *dat ); void HanZiString(uchar x,uchar *p); void DispOrder(unsigned char x); void WriteRAM( uchar Data ); void delay(unsigned int t); /*****************************初始化子程序******************************/ void InitLcd(void) { CS = 1; WriteCmd( 0x30 ); delay( 150 );//延时150us WriteCmd(0x30); delay( 45 );//延时45us WriteCmd( 0x0C ); delay( 150 );//延时150us WriteCmd( 0x01 ); delay( 15000 );//延时12MS WriteCmd(0x06); } /*********************************************/ /*Header:Lcd.h /*File Name:Lcd.c /*Author: 陈培炜，杨帆 /*Data;2007 /*Function: /*********************************************/ void cls(void) { WriteCmd( 0x01 ); delay( 15000 );//延时12MS } /*****************************延时子程序***************************/ void delay( uint t ) { while( t-- ); } /*********************************************************** /*Header:Lcd.h /*File Name:Lcd.c /*Author: 陈培炜，杨帆 /*Data;2007 /*Function: ***********************************************************/ void DelayUS(unsigned int n) //N us延时函数 { unsigned int i=0; for (i=0;i<n;i++) _nop_(); } /*********************************************************** /*Header:Lcd.h /*File Name:Lcd.c /*Author: 陈培炜，杨帆 /*Data;2007 /*Function: ***********************************************************/ void Send(unsigned char senddata) { unsigned char i; for(i=0;i<8;i++) { if((senddata)&0x80) SID = 1; else SID = 0; CLK = 1; _nop_(); CLK = 0; senddata<<=1; } } /*******************************写指令子程序***************************/ void WriteCmd( uchar cmd ) { Send(0xf8); Send(cmd&0xf0); Send(cmd<<4); DelayUS(20); } /***********************************写数据子程序****************************/ void WriteData(unsigned char Data) { Send(0xfa); Send(Data&0xf0); Send(Data<<4); DelayUS(20); } /***************************************************************/ void WriteRAM( uchar Data ) { Send(0xfa); //11111010 Send(Data&0xf0); //xxxx0000 Send(Data<<4); //xxxx0000 delay(20); } /********************显示字符*************************************/ void displayChar( uchar *x_add, uchar *dat ) { WriteCmd( *x_add );//1xxx,xxxx 设定DDRAM 7位地址xxx,xxxx到地址计数器AC WriteData( *dat ); } /***************************显示字符串**************************************/ void HanZiString(uchar x,uchar *p) { uchar ad; ad = addr[x]; WriteCmd(ad); while (*p!='\0') { WriteRAM(*(p++)); } } /*********************************************************/ /*Header:Lcd.h /*File Name:Lcd.c /*Author: 陈培炜，杨帆 /*Data;2007 /*Function:温度与占空比的显示函数 /*********************************************************/ void disp(unsigned char tempreture,unsigned int high) { unsigned char a,b; unsigned int z; HanZiString(0,"温度 ℃"); a = tempreture/10; b = tempreture%10; displayChar( &addr[3],&datshu[a] ); displayChar( &addr[4],&datshu[b] ); z = high/100; a = z/10; b = z%10; HanZiString(8,"占空比 /100 "); displayChar( &addr[12],&datshu[a] ); displayChar( &addr[13],&datshu[b] ); } /*********************************************/ /* /* 设定温度范围显示函数 /*********************************************/ void disp2(unsigned char dt,unsigned char ut,unsigned char flag) { unsigned char t,d; HanZiString(0,"设定温度范围:"); HanZiString(11,"——"); if(flag == 0) { HanZiString(17,"__"); HanZiString(21," "); } else { HanZiString(17," "); HanZiString(21,"__"); } t = dt/10; d = dt%10; displayChar( &addr[9],&datshu[t] ); displayChar( &addr[10],&datshu[d] ); t = ut/10; d = ut%10; displayChar( &addr[13],&datshu[t] ); displayChar( &addr[14],&datshu[d] ); } /*********************************************/ /*********************************************/