关于LCD1602液晶光标的问题 -

/*设置光标位置,打开光标*/
void RefreshCursorShow()
{
switch(setIndex)
{
case 1:LcdSetCursor(4,0);LcdWriteCmd(0x0F);break;
case 2:LcdSetCursor(10,0);break;
case 3:LcdSetCursor(2,1);break;
case 4:LcdSetCursor(10,1);break;
case 5:LcdWriteCmd(0x0C);setIndex = 0;break;
default:break;
}
}
/*光标移动操作函数，配合按键0x1B动作*/
void RightShiftSet()
{
if(setIndex <= 4)
{
setIndex++;
RefreshCursorShow(); //设置光标位置，并打开光标
}
}
/*按键动作函数，执行相应的动作*/
void KeyAction(unsigned char keycode)
{
if((keycode >= '0') && (keycode <= '9')) //输入数字
{
NumKeyAction(keycode - '0');
}
else if(keycode == 0x26) //各特征值的切换
{
FunKeyAction();
}
else if(keycode == 0x1B) //光标的循环移动
{
RightShiftSet();
}
else if(keycode == 0x27) //删除当前数据
{
Deldata();
}
else if(keycode == 0x23) //去皮清零
{
ClearZeroKeyAction();
}
else if(keycode == 0x40) //将当前A\B\C数据写入
{
WriteInDATA();
LcdAreaClear(10,0,6);
LcdAreaClear(2,1,6);
LcdAreaClear(10,1,6);
}
else if(keycode == 0x25) //读出当前特征值的A\B\C数据
{
ReadOutDATA();
}
else if(keycode == 0x28) //校正计算
{
EA = 0;
transition();
EA = 1;
}
else if(keycode == 0x0D) //切换显示（实时和功能的切换）
{
SwDisplayKeyAction();
}
else if(keycode == 0x2B) //校准值加
{
if(T2 < 50)
{
T2++;
}
}
else if(keycode == 0x2C) //校准值减
{
if(T2 > 0)
{
T2--;
}
}
}
/*数字键动作函数，n-按键输入的数值*/
void NumKeyAction(unsigned int n)
{
long xdata xe = 50;
switch(setIndex)
{
case 1:
num0 = num0 * 10 + n;
GuigeToString(number,num0);
LcdShowStr(4,0,number);
num1 = 0;
break;
case 2:
if(Getval < xe)
{
num1 = num1 * 10 + n;
}
else
{
num1 = Getval;
}
ValueToString(str,num1);
LcdShowStr(10,0,str);
num2 = 0;
break;
case 3:
if(Getval < xe)
{
num2 = num2 * 10 + n;
}
else
{
num2 = Getval;
num2 += num1;
}
ValueToString(str,num2);
LcdShowStr(2,1,str);
num3 = 0;
break;
case 4:
if(Getval < xe)
{
num3 = num3 * 10 + n;
}
else
{
num3 = Getval;
num3 += num2;
}
ValueToString(str,num3);
LcdShowStr(10,1,str);
num0 = 0;
break;
default:
break;
}
}
/*删除当前数据*/
void Deldata()
{
switch(setIndex)
{
case 1:
LcdAreaClear(4,0,4);
num0 = 0;
RefreshCursorShow();
break;
case 2:
LcdAreaClear(10,0,6);
num1 = 0;
RefreshCursorShow();
break;
case 3:
LcdAreaClear(2,1,6);
num2 = 0;
RefreshCursorShow();
break;
case 4:
LcdAreaClear(10,1,6);
num3 = 0;
RefreshCursorShow();
break;
default:
break;
}
}

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