单片机中断型两按键1602菜单程序.doc

#include<reg51.h>
#include<intrins.h>
#defineucharunsignedchar
#defineuintunsignedint
sbits1=P2^6;
sbits2=P2^7;
sbitLCM_E=P0^2;//定义接口
sbitLCM_RW=P0^1;
sbitLCM_RS=P0^0;
#defineLCM_DataP1//数据接口
voidLCM_WriteData(ucharWDLCM);
voidLCM_WriteCommand(ucharWCLCM,BuysC);
voidLCM_WriteCommand0(ucharWCLCM,BuysC);
ucharLCM_ReadStatus(void);
voidLCM_Init(void);
voidDisplayOneChar(ucharX,ucharY,ucharDData);
voidDisplayListChar(ucharX,ucharY,ucharcode*DData);
voidDelay5Ms(void);
voidDelay400Ms(void);
uintCount_a=0; //菜单翻页计数；
uintCount_b; //比较值
uintCount_c=0;//子菜单计数
uinta_1=1;
uintb_1=0;
uintc_1=0;
uintd_1=0;
ucharcodenet0[]={"1.Writing"};
ucharcodenet1[]={"2.four-words"};
ucharcodenet2[]={"3.Re-display"};
ucharcodenet3[]={"4.Erase"};
ucharcodenet4[]={"5.Drag"};
ucharcodenet5[]={"Return"};
ucharcodenet6[]={"Frist_word"};
ucharcodenet7[]={"Second_word"};
ucharcodenet8[]={"Third_word"};
ucharcodenet9[]={"Fourth_word"};
ucharcodenet10[]={">"};

voiddelay(uinti)
{
while(i--);
}

voidoutside_int()interrupt0
{
EX0=0;
if((s1==0)&&(s2==1))
{delay(5000);
if((s1==0)&&(s2==1))
{Count_b=(P2&0xc0);
if(Count_b==0x80){Count_a++;}
if(Count_a==5)Count_a=0;
while(s1!=1);

}
}
if((s2==0)&&(s1==1))
{delay(5000);
if((s2==0)&&(s1==1))
{Count_b=(P2&0xc0);
if(Count_b==0x40){
a_1=0;
b_1++;

if(Count_a==1&&(b_1<6)){Count_c=1;d_1++;}
else{Count_c=0;d_1=0; }

if(b_1==6)b_1=2;

if((a_1==0&&b_1==2)&&(d_1==0)){a_1=1;b_1=0;}

}
while(s2!=1);

}

}EX0=1; }

voidmain(void)
{
IT0=1;
EX0=1;
EA=1;
Delay400Ms();//启动等待，等LCM讲入工作状态
LCM_Init();//LCM初始化
Delay5Ms();//延时片刻(可不要)

while(1)
{
if(a_1==1)
{
switch(Count_a)
{
case0:
LCM_WriteCommand(0x80,0);
delay(30);
DisplayListChar(0,0,net10);
delay(30);
DisplayListChar(1,0,net0);
delay(30);
DisplayListChar(0,1,net1);
Delay400Ms();
Delay400Ms();
LCM_WriteCommand(0x01,1);