单片机双色点阵显示特定图形

/*-----------------------------------------------  名称：双色点阵  论坛：www.doflye.net  编写：shifang  修改：无  内容：使用hc595驱动双色点阵 ------------------------------------------------*/#include<reg52.h>    //包含头文件，一般情况不需要改动，头文件包含特殊功能寄存器的定义#include <intrins.h> //unsigned char  segout[8]={0,1,2,3,4,5,6,7}; //8列unsigned char  segout[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; //8列unsigned char code tab[]={                        0x08,0x1C,0x3E,0x7F,0x1C,0x1C,0x1C,0x1C,                        };/*------------------------------------------------                硬件端口定义------------------------------------------------*/sbit LATCH = P1^0; sbit SRCLK= P1^1;sbit SER  = P1^2;sbit LATCH_B = P2^2;sbit SRCLK_B= P2^1;sbit SER_B= P2^0;/*------------------------------------------------ uS延时函数，含有输入参数 unsigned char t，无返回值 unsigned char 是定义无符号字符变量，其值的范围是 0~255 这里使用晶振12M，精确延时请使用汇编,大致延时 长度如下 T=tx2+5 uS ------------------------------------------------*/void DelayUs2x(unsigned char t){    while(--t);}/*------------------------------------------------ mS延时函数，含有输入参数 unsigned char t，无返回值 unsigned char 是定义无符号字符变量，其值的范围是 0~255 这里使用晶振12M，精确延时请使用汇编------------------------------------------------*/void DelayMs(unsigned char t){      while(t--) {     //大致延时1mS     DelayUs2x(245);DelayUs2x(245); }}/*------------------------------------------------                发送字节程序------------------------------------------------*/void SendByte(unsigned char dat){      unsigned char i;            for(i=0;i<8;i++)        {         SRCLK=0;         SER=dat&0x80;         dat<<=1;         SRCLK=1;         }         }/*------------------------------------------------                发送双字节程序     595级联，n个595，就需要发送n字节后锁存------------------------------------------------*/void Send2Byte(unsigned char dat1,unsigned char dat2){       SendByte(dat1);   SendByte(dat2);      }/*------------------------------------------------                   595锁存程序 595级联发送数据后，锁存有效------------------------------------------------*/void Out595(void){        LATCH=1;        _nop_();        LATCH=0;}/*------------------------------------------------                发送位码字节程序               使用另外一片单独595------------------------------------------------*/void SendSeg(unsigned char dat){    unsigned char i;            for(i=0;i<8;i++)  //发送字节        {         SRCLK_B=0;         SER_B=dat&0x80;         dat<<=1;         SRCLK_B=1;         }      LATCH_B=1;    //锁存      _nop_();      LATCH_B=0;                  }/*------------------------------------------------                   主程序------------------------------------------------*/void main(){unsigned char i,j,k;while(1){              for(i=0;i<8;i++) //8列显示                  {                     SendSeg(segout[i]);Send2Byte(~tab[i],0xff);//固定位置显示箭头图形Out595();                     DelayMs(1);Send2Byte(0xff,0xff);//delay(10); //防止重影Out595();                  }                  }}