main.c

lcd 1602A 底层函数

#include <msp430x14x.h>
char TAB[] ={0x00,0x00,0x04,0x04,0x04,0x0d,0x05,0x04,0x00,0x10,0x10,0x14,0x18,0x10,0x11,0x1f,
             0x05,0x01,0x01,0x0f,0x01,0x01,0x01,0x00,0x00,0x00,0x00,0x1e,0x00,0x00,0x00,0x00,//华
             0x00,0x00,0x01,0x01,0x0f,0x09,0x09,0x09,0x00,0x00,0x00,0x00,0x1e,0x02,0x02,0x02,
             0x09,0x0f,0x09,0x01,0x01,0x01,0x01,0x00,0x02,0x1e,0x02,0x00,0x00,0x00,0x00,0x00,//中
             0x00,0x00,0x00,0x0f,0x09,0x09,0x01,0x02,0x00,0x00,0x00,0x00,0x1e,0x02,0x02,0x02,
             0x02,0x06,0x0e,0x0a,0x02,0x03,0x02,0x00,0x02,0x1e,0x02,0x00,0x00,0x00,0x00,0x00,//农
            };
char zx[] = {0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};
void Init_Keypad(void);
void Check_Key(void);
void delay();
void Key_Event(void);
void DispStr(unsigned char x,unsigned char y,unsigned char *ptr);
void DispNChar(unsigned char x,unsigned char y, unsigned char n,unsigned char *ptr);
void LocateXY(unsigned char x,unsigned char y);
void Disp1Char(unsigned char x,unsigned char y,unsigned char data);
void LcdReset(void);
void LcdWriteCommand(unsigned char cmd,unsigned char chk);
void LcdWriteData( unsigned char data );
void WaitForEnable(void);
void Delay5ms(void);
extern unsigned char key_Pressed;      
extern unsigned char key_val;         
extern unsigned char key_Flag; 

void write_CGRAM( char TAB[], char n )     //定义输入CGRAM的字模代码，字模的个数
{
    char tmp;
    char i;
    char j;
        char k;
    tmp = 0x40;                       //设置CGRAM地址的格式字
    k = 0;
        for( j = 0; j < n; j++)
        {
                 for(i = 0; i < 8; i++)
             {
        LcdWriteCommand( tmp + i,1); // 设置自定义字符的 CGRAM 地址
          LcdWriteData(TAB[k]);   // 向CGRAM写入自定义字符表的数据
           k++;
             }
                 tmp = tmp + 0x08;
        }
}
/********************主函数********************/
void main(void)
{
    WDTCTL = WDTPW + WDTHOLD;   //关闭看门狗
    char c;                  //定义显示的列位置
    char i;
    char j=0;
   LcdReset();
  write_CGRAM(TAB,8);
  LocateXY(0,9);
  for( i = 0, c = 2; i < 2; i++)  //显示中华人民共和国
    {
      Disp1Char(c, 0, j);
     c++;
     j++;
      Disp1Char(c, 0, j);  
      c--;
     j++;
       Disp1Char(c, 1, j); 
       c++;
     j++;
       Disp1Char(c, 1, j);  
      c++;
     j++; 
       
    }
}