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7种颜色， 满屏循环显示

效果图:


C51 代码

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//STC12C5A60S2  @12M晶振
#include <STC12C5A60S2.H>

sbit R1  = P0 ^ 0;
sbit G1  = P0 ^ 1;
sbit B1  = P0 ^ 2;
sbit R2  = P0 ^ 3;
sbit G2  = P0 ^ 4;
sbit B2  = P0 ^ 5;

sbit IA  = P2 ^ 7; //行控制线A
sbit IB  = P2 ^ 6; //行控制线B
sbit IC  = P2 ^ 5; //行控制线C
sbit ID  = P2 ^ 4; //行控制线D

sbit CK  = P2 ^ 2; //时钟
sbit LS  = P2 ^ 1; //锁存
sbit OE  = P2 ^ 0; //输出，低电平有效

#define  SCAN(X)  IA=(X)&1; IB=(X)&2; IC=(X)&4; ID=(X)&8;

unsigned short ms   = 0;
unsigned short sec  = 0;

void Delay10us()        //@12.000MHz
{
    unsigned char i;

    i = 27;
    while (--i);
}

void  SendRGB()
{
    unsigned int i, j;

    for(i = 0; i < 16; i++)               //扫描行
    {
        SCAN(i);
        for(j = 0; j < 64; j++)           //发送点的数据
        {
            if(sec%8)
            {
                R2 = R1 = sec&1;
                G2 = G1 = sec&2;
                B2 = B1 = sec&4;
                CK = 1;
                CK = 0;
            }
        }
        LS = 1;
        LS = 0;

        OE = 0;                //显示开
        Delay10us();
        OE = 1;                //显示关
    }
}

void Timer0Init(void)   //1毫秒@12.000MHz
{
    AUXR |= 0x80;       //定时器时钟1T模式
    TMOD &= 0xF0;       //设置定时器模式
    TL0   = 0x20;       //设置定时初始值
    TH0   = 0xD1;       //设置定时初始值
    TF0   = 0;          //清除TF0标志
    TR0   = 1;          //定时器0开始计时

    ET0   = 1;          //定时器0中断允许
    EA    = 1;          //开启全局中断
}

int main()
{
    Timer0Init();
    while(1)
    {
        SendRGB();
    }
}

void timer0 (void) interrupt 1
{
    ms++;
    if(ms >=1000)
    {
        sec++;
        ms = 0;
    }
}