LED点阵广告牌设计（含程序，proteus仿真）.rar

//按键k1文字闪烁，k2文字平移，k3符号闪烁，k4退出 #include <reg51.h> #include <intrins.h> #define GPIO_KEY P1 //独立键盘用P1口 #define uchar unsigned char #define uint unsigned int #define ulong unsigned long sbit MOSIO = P3^4; sbit R_CLK = P3^5; sbit S_CLK = P3^6; //---全局变量声明--// ulong column; //点阵列 ulong row; //点阵行 ulong dt; //点阵显示数组 uchar code tab0[] = {0x00, 0x01, 0x00, 0x02, 0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x40, 0x00, 0x80, 0x01, 0x00, 0x02, 0x00, 0x04, 0x00, 0x08, 0x00, 0x10, 0x00, 0x20, 0x00, 0x40, 0x00, 0x80, 0x00}; //--王--// uchar code tab1[] = { 0,0,252,31,128,0,128,0,128,0,128,0,128,0,248, 15,128,0,128,0,128,0,128,0,128,0,254,63,0,0,0,0}; //--李--// uchar code tab2[] = { 128,0,128,0,254,63,160,2,144,4,136,8,6,48,240, 3,0,1,128,0,254,63,128,0,128,0,224,0,0,0,0,0}; //--任--// uchar code tab3[] = { 16,0,16,28,208,3,8,2,8,2,12,2,10,2,232,63,8,2, 8,2,8,2,8,2,8,2,200,31,0,0,0,0}; //--徐-// uchar code tab4[] = { 16,2,16,2,8,5,132,8,82,16,176,47,8,2,12,2,202, 31,8,2,72,18,72,34,40,34,136,3,0,0,0,0}; //--桃心--// uchar code xin[] = { 0,0,28,56,252,63,254,127,255,255,207,243,135, 225,7,224,15,240,30,120,60,60,120,30,240,15,224,7,192,3,128,1}; //--五角星--// uchar code wujiao[] = { 128,1,128,1,192,3,192,3,192,3,96,6,127,254,6, 96,28,56,48,12,48,12,152,27,248,30,56,28,12,48,0,0}; //--圆--// uchar code yuan[] = { 0,0,224,7,120,30,28,56,28,56,14,112,14,112,14, 112,14,112,14,112,28,56,28,56,120,30,224,7,0,0,0,0}; uchar *p[] = {tab1, tab2, tab3, tab4}; uchar *c[] = {xin, yuan,wujiao}; //函数声明 void HC595SendData( uchar BT3, uchar BT2,uchar BT1,uchar BT0); void translation();//由上而下平移 void twinkle1(); //文字闪烁 void twinkle2(); //符号闪烁 void Delay10ms(uint c);//延时10ms unsigned char Key_Scan();//读取键值 int k, i,j, ms; uchar keyNum; /*************主函数*****************************/ void main(void) { while(1) { HC595SendData(0xff,0xff,0,0); //清屏 keyNum=Key_Scan(); switch (keyNum) { case(0xFE) : //返回按键K1的数据 twinkle1(); //文字闪烁 break; case(0xFD) : //返回按键K2的数据 translation();//平移 break; case(0xFB) : //返回按键K3的数据 twinkle2(); //符号闪烁 break; case(0xF7) : //返回按键K4的数据 HC595SendData(0xff,0xff,0,0); //清屏 break; default: break; } } } //符号闪烁 void twinkle2() { while(keyNum!=0xF7) { for(i = 0; i <3; i++) //总共5个字 { for(ms = 50; ms > 0; ms--) //显示50次，即肉眼可识别的停留时间 { for(k = 0; k < 16; k++) //显示一个字 { //--因为字模软件取的数组是高电平有效，所以列要取反--// HC595SendData(~(*(c[i] + 2*k + 1)),~(*(c[i] + 2*k )), tab0[2*k],tab0[2*k + 1]); keyNum=Key_Scan(); if(keyNum==0xF7) break; } HC595SendData(0xff,0xff,0,0); //清屏 if(keyNum==0xF7) break; } if(keyNum==0xF7) break; } } } //文字闪烁 void twinkle1() { while(keyNum!=0xF7) { for(i = 0; i < 4; i++) //总共4个字 { for(ms = 50; ms > 0; ms--) //显示50次，即肉眼可识别的停留时间 { for(k = 0; k < 16; k++) //显示一个字 { //--因为字模软件取的数组是高电平有效，所以列要取反--// HC595SendData(~(*(p[i] + 2*k + 1)),~(*(p[i] + 2*k )), tab0[2*k],tab0[2*k + 1]); keyNum=Key_Scan(); if(keyNum==0xF7) break; } HC595SendData(0xff,0xff,0,0); //清屏 if(keyNum==0xF7) break; } if(keyNum==0xF7) break; } } } //由上而下平移 void translation() { j=0; while(keyNum!=0xf7) { for(ms = 10; ms > 0; ms--) //移动定格时间设置 { for(k = 0; k < 16; k++) //显示一个字 { HC595SendData(~(*(p[0] + 2*(k+j) + 1)),~(*(p[0] + 2*(k+j) )), tab0[2*k],tab0[2*k + 1]); //因为字模软件取的数组是高电平有效，所以列要取反 keyNum=Key_Scan(); if(keyNum==0xF7) break; } HC595SendData(0xff,0xff,0,0); //清屏 if(keyNum==0xF7) break; } j++; if(j == (3*16) ) { j = 0; } } } //读取键值 unsigned char Key_Scan() { unsigned char keyValue = 0 , i; //保存键值 //--检测按键1--// if (GPIO_KEY != 0xFF) //检测按键K1是否按下 { Delay10ms(1); //消除抖动 if (GPIO_KEY != 0xFF) //再次检测按键是否按下 { keyValue = GPIO_KEY; i = 0; while ((i<50) && (GPIO_KEY != 0xFF)) //检测按键是否松开 { Delay10ms(1); i++; } } } return keyValue; //将读取到键值的值返回 } //延时十毫秒 void Delay10ms(uint c) //误差 0us { unsigned char a, b; //--c已经在传递过来的时候已经赋值了，所以在for语句第一句就不用赋值了--// for (;c>0;c--) { for (b=38;b>0;b--) { for (a=130;a>0;a--); } } } //通过74HC595发送四个字节的数据 void HC595SendData(uchar BT3, uchar BT2,uchar BT1,uchar BT0) { uchar i; //--发送第一个字节--// for(i=0;i<8;i++) { MOSIO = BT3 >> 7 ; //从高位到低位 BT3 <<= 1; S_CLK = 0; S_CLK = 1; } //--发送第一个字节--// for(i=0;i<8;i++) { MOSIO = BT2 >>7; //从高位到低位 BT2 <<= 1; S_CLK = 0; S_CLK = 1; } //--发送第一个字节--// for(i=0;i<8;i++) { MOSIO = BT1 >> 7; //从高位到低位 BT1 <<= 1; S_CLK = 0; S_CLK = 1; } //--发送第一个字节--// for(i=0;i<8;i++) { MOSIO = BT0 >> 7; //从高位到低位 BT0 <<= 1; S_CLK = 0; S_CLK = 1; } //--输出--// R_CLK = 0; //set dataline low R_CLK = 1; //片选 R_CLK = 0; //set dataline low }