固定八字显示模拟串口.c

实现点阵屏八字固定显示

/*点阵显示汉字程串口输出字符数据，P2口输出行扫描信号,P0_0输出595锁存信号。
  由于595接在LED阴极所以取模时要反白处理*/
#include<reg51.h>
sbit P2_7=P2^7;//定义控制端口
unsigned char code hanzi[8][32]={		 //二维数据
/*-- /*--  文字:  新  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xFF,0xF7,0x8F,0xEF,0xF1,0x01,0xFD,0xBB,0xFD,0xD7,0x81,0x00,0xED,0xEF,0xED,0xEF,
0xED,0x00,0xED,0xEF,0xED,0xCB,0xEE,0xAB,0xEE,0xAD,0xEF,0x6E,0xEF,0xAB,0xEF,0xF7,

/*--  文字:  年  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xFF,0xEF,0xC0,0x0F,0xFE,0xF7,0xFE,0xF7,0xFE,0xFB,0xE0,0x0D,0xFE,0xEE,0xFE,0xEF,
0xFE,0xEF,0xFE,0xEF,0x80,0x00,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,
/*--  文字:  普  --*/
/*--  黑体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xF3,0xCF,0xF9,0x9F,0xC0,0x01,0xC0,0x01,0xEC,0x9B,0xE4,0x93,0x80,0x00,0x80,0x00,
0xFF,0xFF,0xE0,0x07,0xE7,0xE7,0xE0,0x07,0xE7,0xE7,0xE0,0x07,0xE7,0xE7,0xFF,0xFF,

/*--  文字:  乐  --*/
/*--  黑体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xF0,0xFF,0xE0,0x03,0xFF,0x83,0xFF,0xF3,0xFE,0x73,0xFE,0x79,0xE0,0x01,0xE0,0x01,
0xFE,0x7F,0xFA,0x6F,0xF2,0x67,0xE6,0x73,0xCE,0x79,0xDE,0x1F,0xFF,0x3F,0xFF,0xFF,
/*-- /*--  文字:  新  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xFF,0xF7,0x8F,0xEF,0xF1,0x01,0xFD,0xBB,0xFD,0xD7,0x81,0x00,0xED,0xEF,0xED,0xEF,
0xED,0x00,0xED,0xEF,0xED,0xCB,0xEE,0xAB,0xEE,0xAD,0xEF,0x6E,0xEF,0xAB,0xEF,0xF7,

/*--  文字:  年  --*/
/*--  宋体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xFF,0xEF,0xC0,0x0F,0xFE,0xF7,0xFE,0xF7,0xFE,0xFB,0xE0,0x0D,0xFE,0xEE,0xFE,0xEF,
0xFE,0xEF,0xFE,0xEF,0x80,0x00,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,0xFE,0xFF,
/*--  文字:  普  --*/
/*--  黑体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xF3,0xCF,0xF9,0x9F,0xC0,0x01,0xC0,0x01,0xEC,0x9B,0xE4,0x93,0x80,0x00,0x80,0x00,
0xFF,0xFF,0xE0,0x07,0xE7,0xE7,0xE0,0x07,0xE7,0xE7,0xE0,0x07,0xE7,0xE7,0xFF,0xFF,

/*--  文字:  乐  --*/
/*--  黑体12;  此字体下对应的点阵为：宽x高=16x16   --*/
0xF0,0xFF,0xE0,0x03,0xFF,0x83,0xFF,0xF3,0xFE,0x73,0xFE,0x79,0xE0,0x01,0xE0,0x01,
0xFE,0x7F,0xFA,0x6F,0xF2,0x67,0xE6,0x73,0xCE,0x79,0xDE,0x1F,0xFF,0x3F,0xFF,0xFF,

};

unsigned char code sw[16]={0xe0,0xe2,0xe4,0xe6,0xe8,
     0xea,0xec,0xee,0xf0,0xf2,0xf4,0xf6,0xf8,0xfa,0xfc,0xfe}; /*16行段码*/
//********C51端口模拟串口程序***************
/*****端口定义****************/
sbit  skl=P1^0;             //数据口
sbit  lck=P1^1;             //时钟口
/**************************/
/********C51端口模拟串口程序***************
函 数 名：TXD_data()
功    能：串口发送一字节
入口参数：d 写入的数据 
返 回 值：无  
***********************************************************************/
void delay(unsigned char i)
{
    while(--i);
}
void TXD_data(unsigned char d) 
{ 
    unsigned char h=8;

    while(1)
	{   
		skl= 0x01&d;                    //取出第零位数
          
        lck=1;               //发送时钟信号
        lck=0;
        d =d>>1;              //右移一位    

   	  	if(--h==0) break;
    } 
} 
unsigned char e;
void delay();                      /*延时*/
void out_rxd(unsigned char *d);   /*串口发送*/
/*主函数*/
void main()
{
	unsigned char i;    //i是从字模数组里向后取数据时的计数器，用以改变显示文字的内容.
	SCON=0;//初始化串口为工作方式0（同步通信方式，TxD输出同步脉冲