LED点阵 4位16*16LED点阵广告牌 Proteus单片机仿真

#include<reg52.h> #define BLKN 8//列锁存数（为LED显示字数*2） #define TOTAL 4//待显示字个数，本例共四个 #define CONIO P1//显示控制口 sbit G=CONIO^7;//为154译码器显示允许控制信号，0时输出，1时输出全为高请求高阻态 sbit CLK=CONIO^6;//为595输出锁存器时钟信号端，1时输出数据，从1到0时锁存输出数据 sbit SCLR=CONIO^5;//为595移位寄存器清0口，平时为1，为0时，输出全为0 unsigned char idata dispram[(BLKN/2)*32]={0};//显示区缓存，4字共4*32 //*****************字模表*********************// unsigned char code Bmp[][32]={ {0x06,0x08,0x78,0x88, 0x08,0x48,0x08,0x48, 0xFE,0x08,0x18,0x88, 0x1C,0x48,0x2A,0x48, 0x28,0x0E,0x48,0x78, 0x8B,0x88,0x08,0x08, 0x08,0x08,0x08,0x08, 0x08,0x08,0x08,0x08},/*"科",0*/ {0x10,0x20,0x10,0x20, 0x10,0x20,0xFD,0xFE, 0x10,0x20,0x14,0x20, 0x19,0xFC,0x31,0x08, 0xD0,0x88,0x10,0x90, 0x10,0x60,0x10,0x60, 0x10,0x90,0x11,0x0E, 0x56,0x04,0x20,0x00,},/*"技",1*/ {0x01,0x00,0x00,0x80, 0x3F,0xFE,0x28,0x04, 0x46,0x88,0x04,0x80, 0x08,0x80,0x06,0x80, 0x04,0x80,0x7F,0xFE, 0x00,0x80,0x01,0x40, 0x02,0x20,0x04,0x10, 0x18,0x18,0x60,0x10,},/*"实",2*/ {0x41,0x04,0x21,0x24, 0x31,0x24,0x21,0x24, 0x01,0x24,0x01,0x24, 0xF1,0x24,0x11,0x24, 0x11,0x24,0x11,0x24, 0x11,0x24,0x11,0x24, 0x15,0x24,0x1A,0x24, 0x12,0x24,0x04,0x04,},/*"训",3*/ }; //*****************字模表*********************// unsigned char code Bmp1[][32]={ {0x01,0x00,0x01,0x00,0x01,0xF8,0x01,0x00,0x01,0x10,0x1F,0xF8,0x10,0x10,0x10,0x10, 0x10,0x10,0x1F,0xF0,0x10,0x10,0x01,0x10,0x28,0x88,0x24,0x44,0x44,0x44,0x00,0x00},/*"点",0*/ {0x00,0x80,0xF8,0x80,0x88,0x80,0x97,0xFC,0xA1,0x00,0x91,0x40,0x8A,0x40,0x8F,0xFC, 0x88,0x40,0xA8,0x40,0x97,0xFE,0x80,0x40,0x80,0x40,0x80,0x40,0x80,0x40,0x80,0x40},/*"阵",1*/ {0x20,0x90,0x20,0x90,0x27,0xFC,0x20,0x90,0xFB,0xF8,0x22,0x08,0x73,0xF8,0x6A,0x08, 0xA3,0xF8,0xA0,0x40,0x27,0xFE,0x20,0x40,0x20,0xA0,0x20,0x98,0x21,0x0E,0x26,0x04},/*"模",2*/ {0x20,0x80,0x20,0x80,0x20,0x80,0x23,0xF8,0xF8,0x88,0x20,0x88,0x20,0x88,0x20,0x88, 0x2F,0xFE,0x20,0x80,0x39,0x40,0xE1,0x20,0x42,0x18,0x02,0x0E,0x04,0x04,0x08,0x00},/*"块",3*/ }; /*************延时函数（约1ms）**************/ void delay(unsigned int dt) { register unsigned char bt; for (;dt;dt--) for(bt=0;bt<255;bt++); } /***********主函数**********/ void main(void) { register unsigned char i,j,k,l,q,w; //初始化 SCON=0X00;//串口工作模式0：移位寄存器方式 TMOD=0X01;//定时器T0工作方式1:16位方式 TR0=1;//启动定时器T0 CONIO=0x3f;//初始化控制口 IE=0x82;//允许定时器T0中断 while(1) { delay(2000);//2s //第一种显示效果：卷帘出显示笑脸图案 /*for(i=0;i<32;i++) { for(q=0;q<BLKN/2;q++){dispram[i+q*32]=Bmp1[5][i];} if(i%2)delay(120); } delay(1000);*/ //卷帘出显示文字，每次字数为BLKN/2,共显示TOTAL*2/BLKN次 for (w=0;w<TOTAL*2/BLKN;w++) { for(i=0;i<32;i++) { for(q=0;q<BLKN/2;q++){dispram[i+q*32]=Bmp[q+w*BLKN/2][1];} if(i%2)delay(120); } delay(3000); } //第一种显示效果：卷帘出显示笑脸图案 /*for(i=0;i<32;i++) { for(q=0;q<BLKN/2;q++){dispram[i+q*32]=Bmp1[5][i];} if(i%2)delay(120); } delay(1000);*/ //第一种显示效果:向上滚屏，每次BLKN/2个字 for(i=0;i<TOTAL*2/BLKN;i++) { for (j=0;j<16;j++) { for(k=0;k<15;k++) { for(q=0;q<BLKN/2;q++) {dispram[k*2+q*32]=dispram[(k+1)*2+q*32]; dispram[k*2+1+q*32]=dispram[(k+1)*2+1+q*32];} } for(q=0;q<BLKN/2;q++) {dispram[30+q*32]=Bmp[q+i*BLKN/2][j*2];dispram[31+q*32]=Bmp[q+i*BLKN/2][j*2+1];} delay(100); } delay(3000);//滚动暂住 } //第一种显示效果：卷帘出黑屏 for(i=0;i<32;i++) { for(q=0;q<BLKN/2;q++){dispram[i+q*32]=0xff;} if(i%2)delay(120); } delay(1000); //第三种显示效果：左移出显示 for(i=0;i<TOTAL;i++) { for (j=0;j<2;j++) for(k=0;k<8;k++) { for(l=0;l<16;l++) { for(q=0;q<BLKN/2;q++) { dispram[l*2+q*32]=dispram[l*2+q*32]<<1|dispram[l*2+1+q*32]>>7; if(q==BLKN/2-1)dispram[l*2+1+q*32]=dispram[l*2+1+q*32]<<1|Bmp[i][l*2+j]>>(7-k); else dispram[l*2+1+q*32]=dispram[l*2+1+q*32]<<1|dispram[l*2+(q+1)*32]>>7; } } delay(100); } } delay(3000); //第一种显示效果：卷帘出黑屏 for(i=0;i<32;i++) { for(q=0;q<BLKN/2;q++){dispram[i+q*32]=0xff;} if(i%2)delay(120); } delay(1000); } } //主函数结束 /**********显示屏扫描（定时器T0中断）函数******************/ void leddisplay(void)interrupt 1 using 1 { register unsigned char m,n=BLKN; TH0=0xFc; TL0=0x18; m=CONIO; m=++m&0x0f; do{ n--; SBUF=dispram[m*2+(n/2)*30+n]; while(!TI);TI=0; }while(n); G=1; CONIO&=0xf0; CLK=1; CONIO|=m; CLK=0; G=0; }