C程序单片机8X8点阵上下滚动显示

/*--------------------------------------------------------------*/ //LED8*8滚动显示 //列扫描，低电平有效 //download by http://www.codefans.net /*--------------------------------------------------------------*/ //包含头文件 #include <reg52.h> #include "74HC595.H" /*--------------------------------------------------------------*/ //全局变量定义 unsigned char m, i; unsigned int n; /*--------------------------------------------------------------*/ //代码库 #define num sizeof(table) //代码长度 unsigned char code aa[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; unsigned char code bb[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; unsigned char code table[]= { //取模方式 阳码 逐行式 逆向 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*" ",0*/ 0xE1,0xC9,0xC9,0xE1,0xF1,0xE1,0xC9,0xFF,/*"R",1*/ 0xE1,0xF3,0xF3,0xF3,0xF3,0xF3,0xE1,0xFF,/*"I",2*/ 0xE3,0xC9,0xF9,0xF9,0xF9,0xC9,0xE3,0xFF,/*"C",3*/ 0xC9,0xC9,0xC9,0xC1,0xC9,0xC9,0xC9,0xFF,/*"H",4*/ 0xC9,0xC1,0xC1,0xC9,0xC9,0xC9,0xC9,0xFF,/*"M",5*/ 0xE3,0xC9,0xF9,0xF9,0xF9,0xC9,0xE3,0xFF,/*"C",6*/ 0xC9,0xC9,0xC9,0xC9,0xC9,0xC9,0xE3,0xFF,/*"U",7*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*" ",8*/ 0xE3,0xC9,0xC9,0xE3,0xC9,0xC9,0xE3,0xFF,/*"8",9*/ 0xC9,0xC9,0xE3,0xE3,0xE3,0xC9,0xC9,0xFF,/*"X",10*/ 0xE3,0xC9,0xC9,0xE3,0xC9,0xC9,0xE3,0xFF,/*"8",11*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*" ",12*/ 0xC1,0xF3,0xF3,0xF3,0xF3,0xF3,0xF3,0xFF,/*"T",13*/ 0xC1,0xF9,0xF9,0xE1,0xF9,0xF9,0xC1,0xFF,/*"E",14*/ 0xE3,0xC9,0xF9,0xE3,0xCF,0xC9,0xE3,0xFF,/*"S",15*/ 0xC1,0xF3,0xF3,0xF3,0xF3,0xF3,0xF3,0xFF,/*"T",16*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*" ",17*/ 0xE1,0xC9,0xC9,0xE1,0xF1,0xE1,0xC9,0xFF,/*"R",18*/ 0xC1,0xCF,0xE7,0xE3,0xF3,0xF9,0xC1,0xFF,/*"Z",19*/ 0xFF,0xFF,0xFF,0xC1,0xFF,0xFF,0xFF,0xFF,/*"-",20*/ 0xE3,0xC9,0xCF,0xE7,0xF3,0xF9,0xC1,0xFF,/*"2",21*/ 0xE3,0xC9,0xC9,0xC9,0xC9,0xC9,0xE3,0xFF,/*"0",22*/ 0xE3,0xC9,0xC9,0xC9,0xC9,0xC9,0xE3,0xFF,/*"0",23*/ 0xE3,0xC9,0xC9,0xC3,0xCF,0xC9,0xE3,0xFF,/*"9",24*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*" ",25*/ 0xE1,0xC9,0xC9,0xC9,0xC9,0xC9,0xE1,0xFF,/*"D",26*/ 0xC1,0xF9,0xF9,0xE1,0xF9,0xF9,0xC1,0xFF,/*"E",27*/ 0xC9,0xC1,0xC1,0xC9,0xC9,0xC9,0xC9,0xFF,/*"M",28*/ 0xC1,0xC9,0xC9,0xC9,0xC9,0xC9,0xC1,0xFF,/*"O",29*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*" ",30*/ 0xE3,0xC9,0xF9,0xE3,0xCF,0xC9,0xE3,0xFF,/*"S",31*/ 0xCC,0xCC,0xE1,0xF3,0xF3,0xF3,0xF3,0xFF,/*"Y",32*/ 0xE3,0xC9,0xF9,0xE3,0xCF,0xC9,0xE3,0xFF,/*"S",33*/ 0xC1,0xF3,0xF3,0xF3,0xF3,0xF3,0xF3,0xFF,/*"T",34*/ 0xC1,0xF9,0xF9,0xE1,0xF9,0xF9,0xC1,0xFF,/*"E",35*/ 0xC9,0xC1,0xC1,0xC9,0xC9,0xC9,0xC9,0xFF,/*"M",36*/ 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,/*" ",37*/};/*"4",3*/ /*--------------------------------------------------------------*/ //显示函数 void Display(void) { Ser_IN(table[i + n]); //查表取出数据 Ser_IN(bb[i]); //开始行扫描 Par_OUT();//输出显示 i++; if(i == 8) i = 0; //循环扫描 m++; if(m == 200) {m = 0; n++;} //滚动速度控制 if(n == num-7) n = 0; //循环显示 } /*--------------------------------------------------------------*/ //定时器初始化 void T0_init(void) { TMOD = 0x01; TH0 = 0xfc; //5000us TL0 = 0x17; IE = 0x82; TR0 = 1; } /*--------------------------------------------------------------*/ //定时器中断服务 void T0_intservice(void) interrupt 1 using 0 { TH0 = 0xfc; TL0 = 0x17; Display(); } /*--------------------------------------------------------------*/ //主函数 void main (void) { T0_init(); while(1); }