//===========液晶写指令==========
void writecommand(uchar command)
{
checkbusy();
rs=0;
rw=0;
en=1;
P0=command; //液晶数据线P0
en=0;
}
//============液晶写数据=========================================
void writedata(uchar date)
{
checkbusy();
rs=1;
rw=0;
en=1;
P0=date;
en=0;
}
//==============液晶设置=========================================
void lcdset(void)
{
writecommand(0x30); //基本指令集
writecommand(0x01); //清屏，DDRAM的地址归零
writecommand(0x02); //地址归位
writecommand(0x0c); //显示开，光标关，反白关
writecommand(0x06); //DDRAM地址加1
}
//===========设置光标=============================================
void cursor(uchar y,uchar x)
{
uchar command = 0x80;
writecommand(0x0f);
//开光标 闪烁
if( y == 2)
y = 3;
else if(y == 3)
y = 2;
command |= (y-1) << 3;
command += (x-1);
writecommand(command);
}
//===========字符显示============================================
void display(uchar y, uchar x, uchar *p)
{
switch (y)
{
case 1:writecommand(0x7f+x); break; //液晶第一行
case 2:writecommand(0x8f+x); break; //0x90+(x-1)
case 3:writecommand(0x87+x);break;
case 4:writecommand(0x97+x);break;
default:break;
}
while(*p)
writedata(*p++);
}
//=========显示数字===============================================
void displayNumber(uchar y,uchar x,uchar number)
{
switch (number)
{
//引号内数字为中文全角输入 占据一个汉字位置
case 0:display(y,x,"０");break;
case 1:display(y,x,"１");break;
case 2:display(y,x,"２");break;
case 3:display(y,x,"３");break;
case 4:display(y,x,"４");break;
case 5:display(y,x,"５");break;
case 6:display(y,x,"６");break;
case 7:display(y,x,"７");break;
case 8:display(y,x,"８");break;
case 9:display(y,x,"９");break;
default:break;
}}
void displaytime0(void) //静态数据
{
display(1, 2, "智能作息系统");
display(2, 3, "年");
display(2, 6, "月");
display(3, 1, "星期");
display(3, 8, "℃");
display(4, 3, "－"); //全角输入
display(4, 6, "－");
}
/*******12864主程序调用************/
lcdset();
delay(1000);
lcdset(); //调用两次可以解决上电后液晶不能自动复位问题
/*显示版本信息*/
display(1,3,"welcome!");
display(2,2,"智能作息系统");
display(3,3,"版本1.0");
display(4,1,"制作人: 马云");
writecommand(0x01); //清屏
