MAX197的带液晶显示源程序

include

#include

#include

#define uint unsigned int

#define uchar unsigned char

#define max197 XBYTE[0xefff]

sbit EN=P2^0;

sbit RS=P2^1;

sbit CS=P2^2;

sbit HBEN=P2^3;

sbit duan=P2^6;

uchar templ,temph,flag;

float dianya;

uint temp,temp1[25];

unsigned long voltage;

void delay(uint i)

{

while(i–);

}

void delay1(uint z)

{

int x,y;

for(x=z;x>0;x–)

for(y=114;y>0;y–);

}

void write_com(uchar com)

{

RS=0;

P1=com;

delay1(5);

EN=1;

delay1(5);

EN=0;

}

void write_data(uchar date)

{

RS=1;

P1=date;

delay1(5);

EN=1;

delay1(5);

EN=0;

}

void initial()

{