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標題: 使用STC12C5410AD單片機控制HT1621B顯示無法點亮。使用網上的代碼 [打印本頁]

作者: 龍華軒 時間: 2018-12-30 13:21
標題: 使用STC12C5410AD單片機控制HT1621B顯示無法點亮。使用網上的代碼
#include <reg51.h>
#include <intrins.h>

#define BIAS 0x29 //1/3duty       4com
#define SYSEN  0X01
#define LCDON  0X03
#define RC256  0X18

sfr CLK_DIV = 0xc7;       //STC時鐘分頻寄存器

sbit HT1621_DAT=P0^2;
sbit HT1621_CS=P1^4;
sbit HT1621_WR=P1^3;

sbit BL1=P1^1;
sbit BL2=P2^4;

void Delay(uchar us)
{
      while(--us);
}

void DelayMS(uint iMs)
{
      uint i,j;
      for(i=0;i<iMs;i++)
      for(j=0;j<65;j++) Delay(1);
}

void Ht1621Wr_Data(uchar Data,uchar cnt)
{
      uchar i;
      for (i=0;i<cnt;i++)
   {
         HT1621_WR=0;
         if(Data&0x01)
                        HT1621_DAT = 1;
         else
                     HT1621_DAT = 0;
         Delay(10);
         HT1621_WR=1;
         Delay(10);
         Data >>= 1;
}
}

void Ht1621Wr_AddrCmdData(uchar Data,uchar cnt)
{
      uchar i;
      for (i=0;i<cnt;i++)
{
         HT1621_WR=0;
         if(Data&0x80)
                        HT1621_DAT = 1;
         else
                     HT1621_DAT = 0;
         Delay(10);
         HT1621_WR=1;
         Delay(10);
         Data<<=1;
}
if(cnt == 8)
{
            HT1621_WR=0;
         HT1621_DAT = 0;
         Delay(10);
         HT1621_WR=1;
         Delay(10);
}

}

void Ht1621WrCmd(uchar Cmd)
{
      HT1621_CS=0;
      Ht1621Wr_AddrCmdData(0x80,3);
      Ht1621Wr_AddrCmdData(Cmd,8);
      HT1621_CS=1;
      Delay(10);
}

void Ht1621WrOneData(uchar Addr,uchar Data)
{
      HT1621_CS=0;
      Ht1621Wr_AddrCmdData(0xa0,3);
      Ht1621Wr_AddrCmdData(Addr<<2,6);
      Ht1621Wr_Data(Data<<4,4);
      HT1621_CS=1;
      Delay(10);
}

void Ht1621_all_dispaly()
{
      uchar i;
      uchar Addr = 0;
      for(i=0;i<32;i++)
      {
            Ht1621WrOneData(Addr,0xff);
            Addr += 1;
      }
}
void Ht1621_Init(void)
{
      BL1=0;       //背光燈亮
      BL2=0;
      HT1621_CS=1;
      HT1621_WR=1;
      HT1621_DAT=1;
      DelayMS(200);
      Ht1621WrCmd(SYSEN);
      Ht1621WrCmd(LCDON);
      Ht1621WrCmd(BIAS);
      Ht1621WrCmd(RC256);

}
void main()
{
      CLK_DIV = 0x07;
      Ht1621_Init();
      DelayMS(200);
      Ht1621_all_dispaly();
      while(1);
}

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