1602lcd.ini

用4*4键盘模拟手机按键输入

//--------------------------------------------------------------------------------------
//16*2LCD显示模块
#define uchar unsigned char
sbit LCM_RS=P2^2;
sbit LCM_E=P2^3;
sbit CLK=P2^0;
sbit IOData=P2^1;

//--------------------------------------------------------------------------------------
void delaylcd(uchar ms){
uchar i;
while(ms--){
for(i=0;i<190;i++);
}
}

void SendData(uchar Data_Send){
uchar i,k;
k=0x80;
for (i=0;i<8;i++)
{
if (Data_Send&k) IOData=1;
   else IOData=0;
k>>=1;
CLK=0;
CLK=1;
}
}
void Send_Command_LCM(uchar Data_Send){
SendData(Data_Send);
LCM_RS=0;
LCM_E=0;
delaylcd(0x01);
LCM_E=1;

}
void Send_Data_LCM(uchar Data_Send){
SendData(Data_Send);
LCM_RS=1;
LCM_E=0;
delaylcd(0x01);
LCM_E=1;
}
void Set_LCM_XY(uchar X,uchar Y){
 Y&=1;
 X&=15;
 if(Y)X|=0x40;
 X|=0x80;
Send_Command_LCM(X);

}
void Send_String_LCM(uchar *DData){
uchar i=0;
while (DData[i])
{
Send_Data_LCM(DData[i]);
i++;
}

}

void Send_Num_LCM(uchar i){
Send_Data_LCM(i+0x30);
}

void Init_LCM(){
Send_Command_LCM(0x01);
Send_Command_LCM(0x38);
Send_Command_LCM(0x0f);
Send_Command_LCM(0x06);
//16*2LCD命令：0x08关闭显示，0x01 清屏
}