wat128.h 파일의 캐릭터LCD 제어 설명

BYTE CLCD_BusyCheck()

{

  // Charater LCD 딜레이함수

  // 일정시간기다린다.

        DelayUS(200);

        DelayUS(200);

        DelayUS(200);

        DelayUS(200);

        DelayUS(200);

        DelayUS(200);

        DelayUS(200);

        return (0);

}

// 원하는X,Y 좌표에문자열출력

void CLCD_PutString(BYTE x, BYTE y,  char *str)

{

        int len = 0;

        CLCD_XY(x,y);

        while(*str ){

               if(len>16) break;

               CLCD_PutChar(*str++);

               len++;

        }

}

// 한문자출력

void CLCD_PutChar(BYTE data)

{

        while(CLCD_BusyCheck());

        ClearBit(CLCD_CONTROL_PORT,CLCD_EA);

        SetBit(CLCD_CONTROL_PORT,CLCD_RS);

        DelayUS(2);

        CLCD_DATA_PORT= data;

        DelayUS(50);

        SetBit(CLCD_CONTROL_PORT,CLCD_EA);

        DelayUS(50);

        ClearBit(CLCD_CONTROL_PORT,CLCD_EA);

}

// 원하는좌표로이동

void CLCD_XY(BYTE x, BYTE y)

{

        BYTE position = 0;

        if(x>16) x = 0;

        switch(y)

        {

        case 0 :

               position = 0x80;

               break;

        case 1 :

               position = 0xC0;

               break;

        }

        CLCD_Command(position + x);

}

// 데이터보내기

void CLCD_Data(BYTE data)

{

        while(CLCD_BusyCheck()){}

        ClearBit(CLCD_CONTROL_PORT,CLCD_RS);

        ClearBit(CLCD_CONTROL_PORT,CLCD_EA);

        DelayUS(1);

        CLCD_DATA_PORT= data;

        DelayUS(50);

        SetBit(CLCD_CONTROL_PORT,CLCD_EA);

        DelayUS(20);

        ClearBit(CLCD_CONTROL_PORT,CLCD_EA);

        DelayUS(50);

}

// 코맨드보내기

void CLCD_Command(BYTE data)

{

        while(CLCD_BusyCheck()){}

        ClearBit(CLCD_CONTROL_PORT,CLCD_RS);

        ClearBit(CLCD_CONTROL_PORT,CLCD_EA);

        DelayUS(1);

        CLCD_DATA_PORT= data;

        DelayUS(50);

        SetBit(CLCD_CONTROL_PORT,CLCD_EA);

        DelayUS(20);

        ClearBit(CLCD_CONTROL_PORT,CLCD_EA);

        DelayUS(50);

}