#include?
#include?

#define?clr_595_1????PORTB|=?（1<<6）
#define?clr_595_0????PORTB&=~（1<<6）
#define?clk_595_1????PORTB|=?（1<<7）
#define?clk_595_0????PORTB&=~（1<<7）
#define?cp_595_1??????PORTB|=?（1<<4）
#define?cp_595_0??????PORTB&=~（1<<4）
#define?di_595_1??????PORTB|=?（1<<5）
#define?di_595_0??????PORTB&=~（1<<5）

flash?unsigned?char?disp[]={0x3F0x060x5B0x4F0x660x6D0x7D0x070x7F0x6F0x770x7C0x390x5E0x790x710x00};
unsigned?char?position[]={0000};
unsigned?char?posit=0;
unsigned?int?counter=0;
unsigned?char?state=0;
int?n=0;

void?show_595（unsigned?char?c）/////////595顯示
{
????int?wx;
????unsigned?char?num;
????clr_595_1;
????num=disp[c];????????????????????????????????????????????????????????//num表示c對應(yīng)的段碼
????for（w=0;w<8;w++）
????{
????????clk_595_0;
????????x=num&0x80;?????????????????????????????????????????????????????//取段碼最高位
?????????if（x==0）
???????????{
?????????????di_595_0;??????????????????????????????????????????????????//打入0
????????????}
????????else
????????????{
?????????????di_595_1;
????????????}
????????delay_us（2）