[室内导航记录]不常见的s6d1121 IC驱动2.4彩屏程序

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最近一直在搞姿态仪，lcd是之前的研究过，鉴于s6d1121  IC 比较少见，所以贴出移植的lcd驱动程序也许对大家有用。xpt2046触摸程序稍后给大家贴出。

void pin_init(void)                                  //引脚设置
{

  GPIO_InitTypeDef GPIO_InitStructure;
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOA,ENABLE);
  GPIO_InitStructure.GPIO_Pin=GPIO_Pin_All;
  GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;
  GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;
  GPIO_Init(GPIOE,&GPIO_InitStructure);

  GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4;
  GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;
  GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;
  GPIO_Init(GPIOA,&GPIO_InitStructure);

  GPIO_InitStructure.GPIO_Pin=GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
  GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;
  GPIO_InitStructure.GPIO_Speed=GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;
  GPIO_Init(GPIOD,&GPIO_InitStructure);
}

lcd驱动程序
u16 BACK_COLOR, POINT_COLOR; //背景色，画笔色
#ifdef  Bus_16 //条件编译-16位数据模式
void LCD_Writ_Bus(u8 VH,u8 VL) //并行数据写入函数
{
LCD_DataPortH=VH;
LCD_DataPortL=VL;
LCD_WR=0;
LCD_WR=1;
}
#else
//条件编译-8位数据模式
void LCD_Writ_Bus(u8 VH,u8 VL) //并行数据写入函数
{
GPIO_Write(GPIOE,VH);;
LCD_WR0;
LCD_WR1;
GPIO_Write(GPIOE,VL);;
LCD_WR0;
LCD_WR1;
}
#endif
void LCD_WR_DATA8(u8 VH,u8 VL) //发送数据-8位参数
{
LCD_RS1;
LCD_Writ_Bus(VH,VL);
}
void LCD_WR_DATA(u16 da)
{
LCD_RS1;
LCD_Writ_Bus(da>>8,da);
}
void LCD_WR_REG(u16 da)
{
LCD_RS0;
LCD_Writ_Bus(da>>8,da);
}
void LCD_WR_REG_DATA(u16 reg,u16 da)
{
LCD_WR_REG(reg);
LCD_WR_DATA(da);
}
void Address_set( u16 x1,u16 y1,u16 x2, u16 y2)             //指定窗口显示图片x1，x2 ，y1，y2 分别为x轴，y轴起始
                                                                                    //和终止坐标
{
LCD_WR_REG(0x0046);LCD_WR_DATA8(x2,x1);
LCD_WR_REG(0x0047);LCD_WR_DATA(y2);
LCD_WR_REG(0x0048);LCD_WR_DATA(y1);
LCD_WR_REG(0x0020);LCD_WR_DATA(x1);
LCD_WR_REG(0x0021);LCD_WR_DATA(y1);
LCD_WR_REG(0x0022);
}
void Lcd_Init(void)                                                 //lcd初始化程序，详细命令参考数据手册。
{

LCD_CS1;
if(GPIO_ReadOutputDataBit(GPIOE,GPIO_Pin_1))
{
   LCD_WR_REG_DATA(0,0);
   LCD_ShowString(0,0," ");
   LCD_ShowNum(0,0,0,0);
   LCD_Show2Num(0,0,0,0);
   LCD_DrawPoint_big(0,0);
   LCD_DrawRectangle(0,0,0,0);
   Draw_Circle(0,0,0);
   }
LCD_REST1;
delayms(5);
LCD_REST0;
delayms(5);
LCD_REST1;
LCD_CS1;
LCD_RD1;
LCD_WR1;
delayms(5);
LCD_CS0;  //打开片选使能
LCD_WR_REG_DATA(0x11,0x2004);
LCD_WR_REG_DATA(0x13,0xCC00);
LCD_WR_REG_DATA(0x15,0x2600);
LCD_WR_REG_DATA(0x14,0x252A);
//  LCD_WR_REG_DATA(0x14,0x002A);
LCD_WR_REG_DATA(0x12,0x0033);
LCD_WR_REG_DATA(0x13,0xCC04);
delayms(1);
LCD_WR_REG_DATA(0x13,0xCC06);
delayms(1);
LCD_WR_REG_DATA(0x13,0xCC4F);
delayms(1);
LCD_WR_REG_DATA(0x13,0x674F);
LCD_WR_REG_DATA(0x11,0x2003);
delayms(1);
LCD_WR_REG_DATA(0x30,0x2609);
LCD_WR_REG_DATA(0x31,0x242C);
LCD_WR_REG_DATA(0x32,0x1F23);
LCD_WR_REG_DATA(0x33,0x2425);
LCD_WR_REG_DATA(0x34,0x2226);
LCD_WR_REG_DATA(0x35,0x2523);
LCD_WR_REG_DATA(0x36,0x1C1A);
LCD_WR_REG_DATA(0x37,0x131D);
LCD_WR_REG_DATA(0x38,0x0B11);
LCD_WR_REG_DATA(0x39,0x1210);
LCD_WR_REG_DATA(0x3A,0x1315);
LCD_WR_REG_DATA(0x3B,0x3619);
LCD_WR_REG_DATA(0x3C,0x0D00);
LCD_WR_REG_DATA(0x***,0x000D);
LCD_WR_REG_DATA(0x16,0x0007);
LCD_WR_REG_DATA(0x02,0x0013);
LCD_WR_REG_DATA(0x03,0x0003);
LCD_WR_REG_DATA(0x01,0x0127);
delayms(1);
LCD_WR_REG_DATA(0x08,0x0303);
LCD_WR_REG_DATA(0x0A,0x000B);
LCD_WR_REG_DATA(0x0B,0x0003);
LCD_WR_REG_DATA(0x0C,0x0000);
LCD_WR_REG_DATA(0x41,0x0000);
LCD_WR_REG_DATA(0x50,0x0000);
LCD_WR_REG_DATA(0x60,0x0005);
LCD_WR_REG_DATA(0x70,0x000B);
LCD_WR_REG_DATA(0x71,0x0000);
LCD_WR_REG_DATA(0x78,0x0000);
LCD_WR_REG_DATA(0x7A,0x0000);
LCD_WR_REG_DATA(0x79,0x0007);
LCD_WR_REG_DATA(0x07,0x0051);
delayms(1);
LCD_WR_REG_DATA(0x07,0x0053);
LCD_WR_REG_DATA(0x79,0x0000);

LCD_WR_REG(0x0022);
}
//清屏函数
//Color:要清屏的填充色
void LCD_Clear(u16 Color)
{
u8 VH,VL;
u16 i,j;
VH=Color>>8;
VL=Color;
Address_set(0,0,LCD_W-1,LCD_H-1);
for(i=0;i<LCD_W;i++)
   {
   for (j=0;j<LCD_H;j++)
      {
         LCD_WR_DATA8(VH,VL);
      }
   }
}
//在指定位置显示一个汉字(32*33大小)
//dcolor为内容颜色，gbcolor为背静颜色
void showhanzi(u16 x, u16 y, u8 index)
{
   u8 i,j;
   u8 *temp=hanzi;
Address_set(x,y,x+31,y+31); //设置区域
temp+=index*128;
for(j=0;j<128;j++)
{
      for(i=0;i<8;i++)
      {
         if((*temp&(1<<i))!=0)
      {
            LCD_WR_DATA(POINT_COLOR);
         }
         else
      {
            LCD_WR_DATA(BACK_COLOR);
         }
      }
      temp++;
   }
}
//画点
//POINT_COLOR:此点的颜色
void LCD_DrawPoint(u16 x,u16 y)
{
Address_set(x,y,x,y);//设置光标位置
LCD_WR_DATA(POINT_COLOR);
}
//画一个大点
//POINT_COLOR:此点的颜色
void LCD_DrawPoint_big(u16 x,u16 y)
{
LCD_Fill(x-1,y-1,x+1,y+1,POINT_COLOR);
}
//在指定区域内填充指定颜色
//区域大小:
//  (xend-xsta)*(yend-ysta)
void LCD_Fill(u16 xsta,u16 ysta,u16 xend,u16 yend,u16 color)
{
u16 i,j;
Address_set(xsta,ysta,xend,yend);    //设置光标位置
for(i=ysta;i<=yend;i++)
{
      for(j=xsta;j<=xend;j++)LCD_WR_DATA(color);//设置光标位置
}
}
//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;
u16 xerr=0,yerr=0,delta_x,delta_y,distance;
u16 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(u16 x1, u16 y1, u16 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(u16 x0,u16 y0,u8 r)
{
u16 a,b;
u16 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
//num:要显示的字符:" "--->"~"
//mode:叠加方式(1)还是非叠加方式(0)
//在指定位置显示一个字符
//num:要显示的字符:" "--->"~"
//mode:叠加方式(1)还是非叠加方式(0)
void LCD_ShowChar(u16 x,u16 y,u8 num,u8 mode)
{
u8 temp;
u8 pos,t;
u16 x0=x;
u16 colortemp=POINT_COLOR;
if(x>LCD_W-16||y>LCD_H-16)return;
//设置窗口
num=num-' ';//得到偏移后的值
Address_set(x,y,x+8-1,y+16-1);    //设置光标位置
if(!mode) //非叠加方式
{
      for(pos=0;pos<16;pos++)
      {
         temp=asc2_1608[(u16)num*16+pos];       //调用字体库
         for(t=0;t<8;t++)
         {
            if(temp&0x01)POINT_COLOR=colortemp;
            else POINT_COLOR=BACK_COLOR;
            LCD_WR_DATA(POINT_COLOR);
            temp>>=1;
            x++;
         }
         x=x0;
         y++;
      }
}else//叠加方式
{
      for(pos=0;pos<16;pos++)
      {
         temp=asc2_1608[(u16)num*16+pos];       //调用1608字体
         for(t=0;t<8;t++)
         {
            if(temp&0x01)LCD_DrawPoint(x+t,y+pos);//画一个点
            temp>>=1;
         }
      }
}
POINT_COLOR=colortemp;
}
//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
//color:颜色
//num:数值(0~4294967295);
void LCD_ShowNum(u16 x,u16 y,u32 num,u8 len)
{
u8 t,temp;
u8 enshow=0;
num=(u16)num;
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+8*t,y,' ',0);
            continue;
         }else enshow=1;

      }
      LCD_ShowChar(x+8*t,y,temp+48,0);
}
}
//显示2个数字
//x,y:起点坐标
//num:数值(0~99);
void LCD_Show2Num(u16 x,u16 y,u16 num,u8 len)
{
u8 t,temp;
for(t=0;t<len;t++)
{
      temp=(num/mypow(10,len-t-1))%10;
      LCD_ShowChar(x+8*t,y,temp+'0',0);
}
}
//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(u16 x,u16 y,const u8 *p)
{
while(*p!='\0')
{
      if(x>LCD_W-16){x=0;y+=16;}
      if(y>LCD_H-16){y=x=0;LCD_Clear(RED);}
      LCD_ShowChar(x,y,*p,0);
      x+=8;
      p++;
}
}