sms0619.c

SMS0619显示器程序

#define CMDOFF 0x00
#define CMDON 0x01
#define CMDLCDOFF 0x02
#define CMDLCDON 0x03
#define CMDB3C4 0x29
sbit  CSPIN = P3^2;                //用户自定义CS对应引脚
sbit CLKPIN = P3^3;                //用户自定义CLK对应引脚
sbit  DIPIN = P3^4;                //用户自定义DI对应引脚
uchar idata DISP_HC[7];		   //定义显示缓冲区
void lcdwbit(bit n)
{  DIPIN = n;
   _nop_();
   
   CLKPIN = 1;
   _nop_();
   
   CLKPIN = 0;
   _nop_();
   
   CLKPIN = 1;
}

void lcdwc(unsigned char cmdcode)  //送控制字
{  unsigned char i;
   CSPIN=1;
   CSPIN=0;
   lcdwbit(1);
   lcdwbit(0);
   lcdwbit(0);
   for (i=0;i<8;i++)
   {  if((cmdcode&0x80)==0x80)
         lcdwbit(1);
      else
         lcdwbit(0);
      cmdcode<<=1;
   }
   lcdwbit(0);
   DIPIN=1;
   CSPIN=1;
}

void lcdreset()                    //初始化
{  lcdwc(CMDOFF);                  //掉电0
   lcdwc(CMDLCDOFF);               //关闭2
   lcdwc(CMDON);                   //上电1
   lcdwc(CMDLCDON);                //显示3
   lcdwc(CMDB3C4);                 //模式设置29
}

void lcdwd(unsigned char address,unsigned char data1)  //送6位地址+8位数据
{  unsigned char i;
   CSPIN = 1;
   CSPIN = 0;
   lcdwbit(1);
   lcdwbit(0);
   lcdwbit(1);
   address<<=2;
   for (i=0;i<6;i++)
   {  if((address&0x80)==0x80)
         lcdwbit(1);
      else
         lcdwbit(0);
      address<<=1;
   }
   for (i=0;i<8;i++)
   {  if((data1&0x01)==0x01)
         lcdwbit(1);
      else
         lcdwbit(0);
      data1>>=1;
   }
   DIPIN=1;
   CSPIN=1;
}


void LCD_DISP()//显示程序
{
uchar code ZM[]={0x5f,0x50,0x3d,0x79,0x72,0x6b,0x6f,0x51,0x7f,0x7b,0x76,0x20,0x5e,0x37,0x29};//0~9,10:H,11:-,12:U 13:P 14:三
uchar idata i;
for(i=0;i<6;i++)
{
if((DISP_HC[i]&0x80)==0x80)
lcdwd(2*i,ZM[DISP_HC[i]&0x0f]|0x80);//显示小数点
else
lcdwd(2*i,ZM[DISP_HC[i]]);
}
//lcdwd(0,ZM[DISP_HC[0]]);
//lcdwd(2,ZM[DISP_HC[1]]);
//lcdwd(4,ZM[DISP_HC[2]]);
//lcdwd(6,ZM[DISP_HC[3]]);
//lcdwd(8,ZM[DISP_HC[4]]);
//lcdwd(10,ZM[DISP_HC[5]]);
}