led matrix

#include <REGX51.H>
#define col P1
sbit DS = P2^0;
sbit SCL = P2^2;
sbit SCK = P2^1;
#define DQ1 P2_0
#define soled 10
#define socotled 8
unsigned char charMap[10][6] = {
    {0x3E,0x7F,0x49,0x45,0x7F,0x3E}, // 0
    {0x00,0x42,0x7F,0x7F,0x40,0x00}, // 1
    {0x42,0x63,0x71,0x59,0x4F,0x46}, // 2
    {0x22,0x6B,0x49,0x49,0x7F,0x3E}, // 3
    {0x18},// :
};
void delay(long time)
{
    long n;
    for(n=0;n<time;n++){;}
}
void dich(unsigned char x){
    unsigned char i;
    for(i=0;i<8;i++){
        DS = (x&0x80)? 1:0;  //dua bit du lieu ra chan SDA
        SCK = 0;
        SCK = 1;
        x<<=1;             //bit co trong so lon hon dc truyen truoc
    }
}
void main()
{
    int i,led,soled5;
    float temp = 30.00;
    soled5=soled*socotled/5; // so ki tu toi da
    while(1){
        for(led=0;led<2;led++){
            for(i=0;i<6;i++){
                col = led*6 + i;
                dich(charMap[0][i]);
                dich(charMap[1][i]);
                SCL = 0;
                SCL = 1;
                delay(30);
            }
        }
    }
}