📄 ili93xx.c
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LCD_WriteReg(0x000F,0x0000);
LCD_WriteReg(0x0020,0x0000);
LCD_WriteReg(0x0021,0x0000);
LCD_WriteReg(0x0007,0x0021);
Delay(20);
LCD_WriteReg(0x0007,0x0061);
Delay(20);
LCD_WriteReg(0x0007,0x0173);
Delay(20);
}
else if(DeviceCode==0x8989)
{
LCD_WriteReg(0x0000,0x0001);Delay(5);//打开晶振
LCD_WriteReg(0x0003,0xA8A4);Delay(5);//0xA8A4
LCD_WriteReg(0x000C,0x0000);Delay(5);
LCD_WriteReg(0x000D,0x080C);Delay(5);
LCD_WriteReg(0x000E,0x2B00);Delay(5);
LCD_WriteReg(0x001E,0x00B0);Delay(5);
LCD_WriteReg(0x0001,0x2B3F);Delay(5);//驱动输出控制320*240 0x6B3F
LCD_WriteReg(0x0002,0x0600);Delay(5);
LCD_WriteReg(0x0010,0x0000);Delay(5);
LCD_WriteReg(0x0011,0x6070);Delay(5);//定义数据格式 16位色 横屏 0x6058
LCD_WriteReg(0x0005,0x0000);Delay(5);
LCD_WriteReg(0x0006,0x0000);Delay(5);
LCD_WriteReg(0x0016,0xEF1C);Delay(5);
LCD_WriteReg(0x0017,0x0003);Delay(5);
LCD_WriteReg(0x0007,0x0233);Delay(5);//0x0233
LCD_WriteReg(0x000B,0x0000);Delay(5);
LCD_WriteReg(0x000F,0x0000);Delay(5);//扫描开始地址
LCD_WriteReg(0x0041,0x0000);Delay(5);
LCD_WriteReg(0x0042,0x0000);Delay(5);
LCD_WriteReg(0x0048,0x0000);Delay(5);
LCD_WriteReg(0x0049,0x013F);Delay(5);
LCD_WriteReg(0x004A,0x0000);Delay(5);
LCD_WriteReg(0x004B,0x0000);Delay(5);
LCD_WriteReg(0x0044,0xEF00);Delay(5);
LCD_WriteReg(0x0045,0x0000);Delay(5);
LCD_WriteReg(0x0046,0x013F);Delay(5);
LCD_WriteReg(0x0030,0x0707);Delay(5);
LCD_WriteReg(0x0031,0x0204);Delay(5);
LCD_WriteReg(0x0032,0x0204);Delay(5);
LCD_WriteReg(0x0033,0x0502);Delay(5);
LCD_WriteReg(0x0034,0x0507);Delay(5);
LCD_WriteReg(0x0035,0x0204);Delay(5);
LCD_WriteReg(0x0036,0x0204);Delay(5);
LCD_WriteReg(0x0037,0x0502);Delay(5);
LCD_WriteReg(0x003A,0x0302);Delay(5);
LCD_WriteReg(0x003B,0x0302);Delay(5);
LCD_WriteReg(0x0023,0x0000);Delay(5);
LCD_WriteReg(0x0024,0x0000);Delay(5);
LCD_WriteReg(0x0025,0x8000);Delay(5);
LCD_WriteReg(0x004f,0); //行首址0
LCD_WriteReg(0x004e,0); //列首址0
}else if(DeviceCode==0x4531)
{
LCD_WriteReg(0X00,0X0001);
Delay(50);
LCD_WriteReg(0X10,0X1628);
LCD_WriteReg(0X12,0X000e);//0x0006
LCD_WriteReg(0X13,0X0A39);
Delay(10);
LCD_WriteReg(0X11,0X0040);
LCD_WriteReg(0X15,0X0050);
Delay(40);
LCD_WriteReg(0X12,0X001e);//16
Delay(40);
LCD_WriteReg(0X10,0X1620);
LCD_WriteReg(0X13,0X2A39);
Delay(10);
LCD_WriteReg(0X01,0X0100);
LCD_WriteReg(0X02,0X0300);
LCD_WriteReg(0X03,0X1030);//改变方向的
LCD_WriteReg(0X08,0X0202);
LCD_WriteReg(0X0A,0X0008);
LCD_WriteReg(0X30,0X0000);
LCD_WriteReg(0X31,0X0402);
LCD_WriteReg(0X32,0X0106);
LCD_WriteReg(0X33,0X0503);
LCD_WriteReg(0X34,0X0104);
LCD_WriteReg(0X35,0X0301);
LCD_WriteReg(0X36,0X0707);
LCD_WriteReg(0X37,0X0305);
LCD_WriteReg(0X38,0X0208);
LCD_WriteReg(0X39,0X0F0B);
LCD_WriteReg(0X41,0X0002);
LCD_WriteReg(0X60,0X2700);
LCD_WriteReg(0X61,0X0001);
LCD_WriteReg(0X90,0X0210);
LCD_WriteReg(0X92,0X010A);
LCD_WriteReg(0X93,0X0004);
LCD_WriteReg(0XA0,0X0100);
LCD_WriteReg(0X07,0X0001);
LCD_WriteReg(0X07,0X0021);
LCD_WriteReg(0X07,0X0023);
LCD_WriteReg(0X07,0X0033);
LCD_WriteReg(0X07,0X0133);
LCD_WriteReg(0XA0,0X0000);
}
Delay(5000);
LCD_LED=0;//点亮背光
LCD_Clear(WHITE);
}
//清屏函数
//Color:要清屏的填充色
void LCD_Clear(u16 Color)
{
u32 index=0;
LCD_SetCursor(0x00,0x0000);//设置光标位置
LCD_WriteRAM_Prepare(); //开始写入GRAM
for(index=0;index<76800;index++)
{
LCD_WR_DATA(Color);
}
}
//在指定区域内填充指定颜色
//区域大小:
// (xend-xsta)*(yend-ysta)
void LCD_Fill(u8 xsta,u16 ysta,u8 xend,u16 yend,u16 color)
{
u32 n;
//设置窗口
LCD_WriteReg(R80, xsta); //水平方向GRAM起始地址
LCD_WriteReg(R81, xend); //水平方向GRAM结束地址
LCD_WriteReg(R82, ysta); //垂直方向GRAM起始地址
LCD_WriteReg(R83, yend); //垂直方向GRAM结束地址
LCD_SetCursor(xsta,ysta);//设置光标位置
LCD_WriteRAM_Prepare(); //开始写入GRAM
n=(u32)(yend-ysta+1)*(xend-xsta+1);
while(n--){LCD_WR_DATA(color);}//显示所填充的颜色.
//恢复设置
LCD_WriteReg(R80, 0x0000); //水平方向GRAM起始地址
LCD_WriteReg(R81, 0x00EF); //水平方向GRAM结束地址
LCD_WriteReg(R82, 0x0000); //垂直方向GRAM起始地址
LCD_WriteReg(R83, 0x013F); //垂直方向GRAM结束地址
}
//画线
//x1,y1:起点坐标
//x2,y2:终点坐标
void LCD_DrawLine(u16 x1, u16 y1, u16 x2, u16 y2)
{
u16 t;
int xerr=0,yerr=0,delta_x,delta_y,distance;
int incx,incy,uRow,uCol;
delta_x=x2-x1; //计算坐标增量
delta_y=y2-y1;
uRow=x1;
uCol=y1;
if(delta_x>0)incx=1; //设置单步方向
else if(delta_x==0)incx=0;//垂直线
else {incx=-1;delta_x=-delta_x;}
if(delta_y>0)incy=1;
else if(delta_y==0)incy=0;//水平线
else{incy=-1;delta_y=-delta_y;}
if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴
else distance=delta_y;
for(t=0;t<=distance+1;t++ )//画线输出
{
LCD_DrawPoint(uRow,uCol);//画点
xerr+=delta_x ;
yerr+=delta_y ;
if(xerr>distance)
{
xerr-=distance;
uRow+=incx;
}
if(yerr>distance)
{
yerr-=distance;
uCol+=incy;
}
}
}
//画矩形
void LCD_DrawRectangle(u8 x1, u16 y1, u8 x2, u16 y2)
{
LCD_DrawLine(x1,y1,x2,y1);
LCD_DrawLine(x1,y1,x1,y2);
LCD_DrawLine(x1,y2,x2,y2);
LCD_DrawLine(x2,y1,x2,y2);
}
//在指定位置画一个指定大小的圆
//(x,y):中心点
//r :半径
void Draw_Circle(u8 x0,u16 y0,u8 r)
{
int a,b;
int di;
a=0;b=r;
di=3-(r<<1); //判断下个点位置的标志
while(a<=b)
{
LCD_DrawPoint(x0-b,y0-a); //3
LCD_DrawPoint(x0+b,y0-a); //0
LCD_DrawPoint(x0-a,y0+b); //1
LCD_DrawPoint(x0-b,y0-a); //7
LCD_DrawPoint(x0-a,y0-b); //2
LCD_DrawPoint(x0+b,y0+a); //4
LCD_DrawPoint(x0+a,y0-b); //5
LCD_DrawPoint(x0+a,y0+b); //6
LCD_DrawPoint(x0-b,y0+a);
a++;
//使用Bresenham算法画圆
if(di<0)di +=4*a+6;
else
{
di+=10+4*(a-b);
b--;
}
LCD_DrawPoint(x0+a,y0+b);
}
}
//在指定位置显示一个字符
//x:0~234
//y:0~308
//num:要显示的字符:" "--->"~"
//size:字体大小 12/16
//mode:叠加方式(1)还是非叠加方式(0)
void LCD_ShowChar(u8 x,u16 y,u8 num,u8 size,u8 mode)
{
#define MAX_CHAR_POSX 232
#define MAX_CHAR_POSY 304
u8 temp;
u8 pos,t;
if(x>MAX_CHAR_POSX||y>MAX_CHAR_POSY)return;
//设置窗口
LCD_WriteReg(R80,x); //水平方向GRAM起始地址
LCD_WriteReg(R81,x+(size/2-1));//水平方向GRAM结束地址
LCD_WriteReg(R82,y); //垂直方向GRAM起始地址
LCD_WriteReg(R83,y+size-1); //垂直方向GRAM结束地址
LCD_SetCursor(x,y); //设置光标位置
LCD_WriteRAM_Prepare(); //开始写入GRAM
num=num-' ';//得到偏移后的值
if(!mode) //非叠加方式
{
for(pos=0;pos<size;pos++)
{
if(size==12)temp=asc2_1206[num][pos];//调用1206字体
else temp=asc2_1608[num][pos]; //调用1608字体
for(t=0;t<size/2;t++)
{
if(temp&0x01)
{
LCD_WR_DATA(POINT_COLOR);
}else LCD_WR_DATA(BACK_COLOR);
temp>>=1;
}
}
}else//叠加方式
{
for(pos=0;pos<size;pos++)
{
if(size==12)temp=asc2_1206[num][pos];//调用1206字体
else temp=asc2_1608[num][pos]; //调用1608字体
for(t=0;t<size/2;t++)
{
if(temp&0x01)LCD_DrawPoint(x+t,y+pos);//画一个点
temp>>=1;
}
}
}
//恢复窗体大小
LCD_WriteReg(R80, 0x0000); //水平方向GRAM起始地址
LCD_WriteReg(R81, 0x00EF); //水平方向GRAM结束地址
LCD_WriteReg(R82, 0x0000); //垂直方向GRAM起始地址
LCD_WriteReg(R83, 0x013F); //垂直方向GRAM结束地址
}
//m^n函数
u32 mypow(u8 m,u8 n)
{
u32 result=1;
while(n--)result*=m;
return result;
}
//显示2个数字
//x,y :起点坐标
//len :数字的位数
//size:字体大小
//color:颜色
//num:数值(0~4294967295);
void LCD_ShowNum(u8 x,u16 y,u32 num,u8 len,u8 size)
{
u8 t,temp;
u8 enshow=0;
for(t=0;t<len;t++)
{
temp=(num/mypow(10,len-t-1))%10;
if(enshow==0&&t<(len-1))
{
if(temp==0)
{
LCD_ShowChar(x+(size/2)*t,y,' ',size,0);
continue;
}else enshow=1;
}
LCD_ShowChar(x+(size/2)*t,y,temp+'0',size,0);
}
}
//显示2个数字
//x,y:起点坐标
//size:字体大小
//mode:模式 0,填充模式;1,叠加模式
//num:数值(0~99);
void LCD_Show2Num(u8 x,u16 y,u16 num,u8 len,u8 size,u8 mode)
{
u8 t,temp;
for(t=0;t<len;t++)
{
temp=(num/mypow(10,len-t-1))%10;
LCD_ShowChar(x+(size/2)*t,y,temp+'0',size,mode);
}
}
//显示字符串
//x,y:起点坐标
//*p:字符串起始地址
//用16字体
void LCD_ShowString(u8 x,u16 y,const u8 *p)
{
while(*p!='\0')
{
if(x>MAX_CHAR_POSX){x=0;y+=16;}
if(y>MAX_CHAR_POSY){y=x=0;LCD_Clear(WHITE);}
LCD_ShowChar(x,y,*p,16,0);
x+=8;
p++;
}
}
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