各种LCD12864取模总结

shipeng · 发表于2017-11-20 17:32

各种LCD12864取模总结 [复制链接]

突然觉得很有必要总结一下各种LCD12864的取模方式，以作为一份备忘录。
1.不带字库的12864屏以HTG13264液晶屏为例，取模方式为：

2.带字库的12864屏自定义字符取模：

取模工具：

字模提取.zip (913 KB, 下载次数: 103, 售价: 1 分芯积分)

maplelind · 发表于2017-11-20 23:06

顶上，很实用

shipeng · 发表于2017-11-21 14:55

本帖最后由 shipeng 于 2017-11-21 15:01 编辑

再附上我的带字库12864的自定义字符的例程：
const u8 pic16x16[][32]=
{
      {
            0x0C,0x00,0x0E,0x00,0x09,0x00,0x08,0x80,0x08,0x40,0x08,0x20,0x08,0x10,0x08,0x08,
            0x08,0x04,0x08,0x3C,0x09,0x20,0x0A,0x90,0x0C,0x90,0x00,0x48,0x00,0x48,0x00,0x30,/*"Mouse1.bmp",0*/
      },
      {
            0x07,0xE0,0x18,0x18,0x20,0x04,0x43,0x02,0x47,0x02,0x8E,0x01,0x9C,0x01,0xBF,0xFD,
            0xBF,0xFD,0x9C,0x01,0x8E,0x01,0x47,0x02,0x43,0x02,0x20,0x04,0x18,0x18,0x07,0xE0,/*"LeftDirection.bmp",1*/
      },
      {
            0x00,0x00,0x03,0xFC,0x19,0x0C,0x25,0x04,0x25,0x04,0x19,0x10,0x01,0x10,0x01,0xF0,
            0x01,0x10,0x01,0x10,0x01,0x00,0x01,0x00,0x01,0x00,0x03,0x80,0x00,0x00,0x00,0x00,/*"¡®F",2*/
      },
      {
            0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xC0,0x04,0x20,0x04,0x20,0x02,0x40,0x01,0x80,
            0x01,0x80,0x01,0xC0,0x01,0xC0,0x01,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"16x16key.bmp",3*/
      },
}; unsigned char Byte_Conv(unsigned char sou)
{
      unsigned char i,j=sou;
      for (i=0;i<7;i++)
      {
            j<<=1;
            sou>>=1;
            j|=sou&1;
      }
      return (j);
}
//--------------------------------------------------------------------------------------------
//¼ì2éLCDÃ|×′ì¬
//·μ»Ø1ÎaÃ|,·μ»Ø0ÎaÏD
u8 ReadStatusLCD(void)
{
      u8 buf;
      LCD_DATA_OUTPORT |= 0xff; //GOIOB->ODR êy¾Yêä3ö¶Ë¿ú
  LCD_DATA_IN();          //éèÖÃêy¾Y¶Ë¿úÎaéÏà-êäèë
      LCD_EN = 0;
      delay_us(5);
  LCD_RS = 0;//RSÎaμí RWÎa¸ß ¶á3öÃ|±êÖ¾¼°μØÖ·¼ÆêyÆ÷μÄ×′ì¬
  LCD_RW = 1;
      delay_us(5);
  LCD_EN = 1;
      delay_us(5);
  while (LCD_DATA_INPORT&1);
      buf = LCD_DATA_INPORT;
      LCD_EN = 0;

  return Byte_Conv(buf); //由于我的屏DB0-DB7对应我的IO口的P7-P0所以MSB,LSB要颠倒一下，Byte_Conv()是一个字节高低位转换函数
}
//--------------------------------------------------------------------------------------------
//D′Ö¸áîμ½LCD
void LCD_Wcmd(u8 cmd)
{
  ReadStatusLCD();

  LCD_RS = 0;
  LCD_RW = 0; //D′Ö¸áî

  LCD_EN = 0; //èôEÎa¸ßÔòÎa¶á2ù×÷
  delay_us(5);
  LCD_DATA_OUTPORT &= 0xFF00;
      LCD_DATA_OUTPORT |= Byte_Conv(cmd);
  LCD_DATA_OUT();
  delay_us(5);

  LCD_EN = 1; //E′ó¸ßμ½μíÅäoÏ/WÃüáî½øDDD′êy¾Y»òÖ¸áî
  delay_us(5);
  LCD_EN = 0;
}
//--------------------------------------------------------------------------------------------
///D′ÏÔê¾êy¾Yμ½LCD
void LCD_Wdata(u8 data)
{
  ReadStatusLCD();

  LCD_RS = 1;
  LCD_RW = 0; //D′êy¾Y

  LCD_EN = 0;
  delay_us(5);
  LCD_DATA_OUTPORT &= 0xFF00;
      LCD_DATA_OUTPORT |= Byte_Conv(data);
  LCD_DATA_OUT();
  delay_us(5);
  LCD_EN = 1;
  delay_us(5);
  LCD_EN = 0;
}
void WriteCGRAM(void)
{
      u8 i,j;
      LCD_Wcmd(0x30);//»ù±¾Ö¸áî delay(1);
      LCD_Wcmd(0x02);//ÔêDíDT¸ÄCGμØÖ· delay(1);
      LCD_Wcmd(0x40);//CGμØÖ· delay(1);
      for (i=0;i<4;i++)
      {
            for(j=0;j<32;j++)
            {
                     LCD_Wdata(pic16x16[j]);
            }
      }
}
//--------------------------------------------------------------------------------------------
//LCD3õê¼»ˉ
void LCD_Init(void)
{
  LCD_Wcmd(0x34);    //à©3äÖ¸áî2ù×÷
  delay_ms(100);
  LCD_Wcmd(0x30);    //»ù±¾Ö¸áî2ù×÷
  delay_us(100);
  LCD_Wcmd(0x0C);    //ÏÔê¾¿a￡¬1Ø1a±ê
  delay_us(100);
  LCD_Wcmd(0x01);    //Çå3yLCDμÄÏÔê¾ÄúèY
  delay_ms(5);
      WriteCGRAM();
}
//--------------------------------------------------------------------------------------------
void LCD_Clear(void)
{
  LCD_Wcmd(0x01);    //Çå3yLCDμÄÏÔê¾ÄúèY
  delay_ms(5);
}
//--------------------------------------------------------------------------------------------
//éè¶¨ÏÔê¾Î»ÖÃ
//x=0-3,y=0-7
void LCD_SetCursor(u8 x,u8 y)
{
      y=y>>1|y<<1&3;
  y=0x80+y*8;
  LCD_Wcmd(x+y); //ÏÔê¾μØÖ·
}
void Disp1Char(u8 x,u8 y,u8 ascii)
{
      LCD_SetCursor(x,y);
      LCD_Wdata(ascii);
}
//--------------------------------------------------------------------------------------------
//′ó(x,y)′|¿aê¼ÏÔê¾ò»¸ö×Ö·û′®
//*p:′yÏÔê¾×Ö·û′®
void LCD_ShowString(u8 x,u8 y,const unsigned char *p)
{
      u8 i=(8-x)*2;
  LCD_SetCursor(x,y);
  while(*p!='\0')
  {
LCD_Wdata(*p++);
            if (--i==0)
            {
                     if (y==3)break;
                     else LCD_SetCursor(0,y+1);
            }
  }
}
//--------------------------------------------------------------------------------------------

lct2000 · 发表于2017-11-29 10:28

学习了.

yulin3192

写的不够详细啊
我是特别菜的的小白

各种LCD12864取模总结 [复制链接]

最新回复