//点阵#include<reg52.h>
sbit T_STR = P2^6; //锁存引脚，屏上标识位STR
sbit R1 = P0^4; //数据引脚，屏上标识R1
sbit G1 = P2^4; //数据引脚，屏上标识G1
sbit T_CLK = P2^5; //时钟引脚，屏上标识位CLK
sbit OE = P2^7; //使能引脚，屏上标识EN/OE
unsigned char MoveBitNum,MoveBitNumtemp,IncNum;//移动位数,临时移动位数，大于一个字节增加字节数
unsigned int HzNum;//汉字个数
unsigned char buff[10];
/*-----------------------------------------------
16x16汉字取模数据
------------------------------------------------*/
unsigned char code hztest[][32]= //取模选择字节倒序 ，正序得出的字是反的，可以在软件中设置自动倒叙
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, //前面一屏大小的空字符，不显示，这里根据屏的大小修改，这个是1个汉字屏
//所以写入1个汉字
0x80,0x00,0x84,0x00,0x88,0x3F,0x48,0x00,0xA1,0x1F,0x82,0x10,0x92,0x12,0x90,0x14,
0xE8,0x7F,0x88,0x10,0x47,0x12,0x44,0x14,0xC4,0x3F,0x04,0x10,0x04,0x0A,0x00,0x04,
0x80,0x00,0x80,0x00,0xFF,0x7F,0x80,0x00,0x80,0x00,0xFE,0x3F,0x12,0x24,0x22,0x22,
0xF2,0x27,0x82,0x20,0x82,0x20,0xFA,0x2F,0x82,0x20,0x82,0x20,0x82,0x28,0x02,0x10,
0x10,0x00,0xD0,0x7F,0x12,0x04,0x12,0x04,0x12,0x04,0x92,0x3F,0x92,0x24,0x92,0x24,
0x92,0x24,0x92,0x24,0x92,0x24,0x90,0x2C,0x88,0x14,0x08,0x04,0x04,0x04,0x02,0x04,
0x20,0x02,0x20,0x02,0xFF,0x7F,0x20,0x02,0x08,0x00,0x90,0x1F,0x92,0x10,0x84,0x10,
0xA4,0x10,0xA0,0x14,0x90,0x08,0x8E,0x40,0x88,0x40,0x88,0x40,0x08,0x7F,0x00,0x00,
0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0xFF,0x7F,0x80,0x00,0x80,0x00,
0x40,0x01,0x40,0x01,0x20,0x02,0x20,0x02,0x10,0x04,0x08,0x08,0x04,0x10,0x03,0x60,
0x44,0x10,0x88,0x10,0x88,0x08,0x00,0x04,0xFE,0x7F,0x02,0x40,0x01,0x20,0xF8,0x07,
0x00,0x02,0x80,0x01,0xFF,0x7F,0x80,0x00,0x80,0x00,0x80,0x00,0xA0,0x00,0x40,0x00,
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, //尾部的一屏的空字符，用于清屏，参数和屏大小有关。
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
};
/*-----------------------------------------------
向595写入一个字节 单红色
------------------------------------------------*/
void InputByte( unsigned char DataR1) //写一个字节
{
unsigned char i;
for(i=8; i>0; i--)
{
R1 = !(DataR1&0x01);
T_CLK = 0;
T_CLK = 1;
DataR1 = DataR1 >> 1;
}
}
/*-----------------------------------------------
向595写入两个字节 双色
------------------------------------------------*/
void Input2Byte( unsigned char DataR1,unsigned char DataG1) //写一个字节
{
unsigned char i;
for(i=8; i>0; i--)
{
R1 = !(DataR1&0x01);
G1 = !(DataG1&0x01);
T_CLK = 0;
T_CLK = 1;
DataR1 = DataR1 >> 1;
DataG1 = DataG1 >> 1;
}
}
/*-----------------------------------------------
延时程序
------------------------------------------------*/
void Delay(unsigned int t)
{
while(--t);
}
/*-----------------------------------------------
主程序
------------------------------------------------*/
main()
{
unsigned char count;//16行扫描数据，范围0-15
unsigned int i, j;
unsigned char temp;
while(1)
{
i++;
if(i==100)//更改流动速度,1T单片机和12T单片机速度大约5-8倍，注意更改参数
{
i=0;
MoveBitNum++;
if(MoveBitNum==16)//每次移动完一个汉字大小后循环
{
MoveBitNum=0;
HzNum+=1; //调用下一个汉字
if(HzNum>=50)//需要显示的汉字个数，包括前面的一屏空字符的个数，后面清屏的空字符不包含在内,这里是(汉字个数+1)
HzNum=0; //完全显示完后循环调用
}
}
Delay(1);//控制扫描频率
for(j=0;j<2;j++) //取每个汉字的前2个字节，
{ //汉字个数+1
buff[j+j]=hztest[HzNum+j][count+count]; //每次移动完一个汉字后，选择下一个汉字
buff[j+j+1]=hztest[HzNum+j][count+count+1];
}
if(MoveBitNum<8) // 判读移动距离是大于一个字节还是小于一个字节，因为一个字节左移右移最大只能8位
{ IncNum=0; MoveBitNumtemp=MoveBitNum; }
else
{ IncNum=1; MoveBitNumtemp=MoveBitNum-8;}//大于8就减去8得到的数值还是小于8
T_STR=0; //锁存无效
for(j=0;j<2;j++) //按bit的方式移动缓冲区的内容，然后输出到595，即取出的数值每个字节左移一定的位数，
{ //后面左移出的数据整合到前面的字节中，保持数据的连续性
temp=(buff[j+IncNum]>>MoveBitNumtemp)|(buff[j+1+IncNum]<<(8-MoveBitNumtemp));//这句比较重要，需要自行拿出2个字节的数据模拟分析
InputByte(temp);//输出到595
}//8个字节传输完锁存输出
OE = 1;
P0=15-count;//用P0口的前4位控制16行，屏内部通过4-16译码器工作，循环扫描16行
T_STR=1; //锁存有效，此时一行的数据显示到屏上
OE = 0;
count++;
if(count==16)
count=0;
}
}
//流水灯
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
sbit shcp=P2^0; // 移位寄存时钟 1有效
sbit ds=P2^1; // 输入
sbit stcp=P2^2; // 输出时钟 1有效
sbit k1=P3^2;
sbit k2=P3^3;
uchar n=100;
//彩灯循环
uchar data_s[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // 逆时针流水灯
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00, // 闪烁
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01, // 顺时针流水灯
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00};
uchar data_s1[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,
0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00};
void delay(int x)
{
unsigned a,b;
for(a=x;a>0;a--)
for(b=250;b>0;b--) ;
}
void send(uchar aa) // 74hc595控制
{
uchar c;
for(c=0;c<8;c++) // 扫描每一个字节 0x01为1个 在内部左移
{
ds=aa>>7;
aa<<=1;
shcp=0; // 高电平有效 先赋0 再取1
shcp=1;
}
stcp=0; // 高电平有效 先赋0 再取1
stcp=1;
}
void main()
{ uchar z;
EA=1;
EX0=1;EX1=1;
IT0=1;IT1=1;
while(1)
{ for(z=0;z<48;z++){
send(data_s[z]);
send(data_s1[z]);
delay(n);
}}
}
void dis_1() interrupt 0
{
if(n<240&&k1==0)
n=n+20;
}
void dis_2() interrupt 2
{
if(n>0&&k2==0)
n=n-10;
}
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