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LEDÏÔʾ³ÌÐò Display »ñÈ¡µ±Ç°Í¨ÐÐÊ£Óàʱ¼äËÍh¡¢l E/S/W/N״̬ËÍP0¿Ú λѡÂëËÍP3¿Ú µ¹¼ÆÊ±¸ö/ʮλËÍP1¿Ú µ÷ÓÃDelayÑÓʱ i++;j++ N ËÄλÏÔʾÍꣿ Y ·µ»ØÖ÷³ÌÐò

T0ÖÐ¶Ï ¶¨Ê±¼ÆÊý³õÖµ 50ms¼ÆÊý(count)¼Ó1 ÅжÏ1S(count=20?)µ½·ñ Y countÇå0 Time_SN--;Time_EW-- »Ö¸´ÏÖ³¡ ÖжϷµ»Ø N

INT0ÖÐ¶Ï Busy_Button==0 SN_Add==0 »ñÈ¡ÖжÏÐÅÏ¢ SN_Red==0 EW_Add==0 EW1+=1 EW_Red==0 EW1-=1 ËùÓз¿ÚÈ«ºìµÆ SN1+=1 SN1-=1 Busy_Button==1 SN1>99 Y SN1<20 Y EW1>99 Y EW1<20 Y N SN1=99 N SN1=20 N EW1=99 N EW1=20 »Ö¸´ÏÖ³¡ ÖжϷµ»Ø

5.3 P0¡¢P1¿ÚÏÔʾ״̬±àÂë±í

P0 ±àÂë ±¸×¢ P0^7 P0^6 P0^5 P0^4 P0^3 P0^2 P0^1 P0^0 1 1 1 1 1 1 1 0 0FEH ºìµÆ 1 0 1 1 1 1 1 1 0BFH »ÆµÆ 1 1 1 1 0 1 1 1 0F7H ÂÌµÆ P1 ±àÂë ±¸×¢ 0 1 2 3 4 5 P1^7 P1^6 P1^5 P1^4 P1^3 P1^2 P1^1 P1^0 1 1 1 1 0 0 0 0 0C0H 1 1 1 1 1 0 0 1 0F9H 1 0 1 0 0 1 0 0 0A4H 1 0 1 1 0 0 0 0 0B0H 1 0 0 1 1 0 0 1 99H 1 0 0 1 0 0 1 0 92H 1 1 1 1 0 1 0 0 0 1 0 0 0 1 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 82H F8H 80H 90H 6 7 8 9 5.4 ³ÌÐòÔ´´úÂë

#define uchar unsigned char #include

/**************************±äÁ¿¡¢¿ØÖÆÎ»¶¨Òå**************************/ uchar code

table[10]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};//0~~9¶ÎÑ¡Âë

uchar code

table1[28]={0xF7,0xFE,0xF7,0xFE,0xBF,0xFE,0xBF,0xFE,0xFF,0xFE,0xFF,0xFE,

0xFE,0xF7,0xFE,0xF7,0xFE,0xBF,0xFE,0xBF,0xFE,0xFF,0xFE,0xFF, 0xFE,0xFE,0xFE,0xFE}; /*¸÷ÖÖ״̬ϺìÂ̵ƶÎÑ¡Âë, ״̬(0-3):EWÂ̵Æ,SNºìµÆ; ״̬(4-7):EW»ÆµÆÁÁ,SNºìµÆ; ״̬(8-11):EW»ÆµÆÃð,SNºìµÆ; ״̬(12-15):EWºìµÆ,SNÂ̵Æ; ״̬(16-19):EWºìµÆ,SN»ÆµÆÁÁ; ״̬(20-23):EWºìµÆ,SN»ÆµÆÃð; ״̬(24-27):EWSNÈ«ºìµÆ*/

uchar code tab[4]={0x1E,0x2D,0x4E,0x8D};//ÊýÂë¹ÜÏÔʾλѡÂë uchar EW=30,SN=30,EW1=30,SN1=30;//³õʼ»¯½»Í¨µÆÊ±¼ä uchar count;//¼ÆÊ±ÖжϴÎÊý uchar i,j;//Ñ­»·¿ØÖƱäÁ¿

sbit Busy_Button=P2^0;//½»Í¨ÒâÍâ¿ØÖÆÎ» sbit SN_Add=P2^1;//SNͨÐÐʱ¼ä¼Ó°´Å¥ sbit SN_Red=P2^2;//SNͨÐÐʱ¼ä¼õ°´Å¥ sbit EW_Add=P2^3;//EWͨÐÐʱ¼ä¼Ó°´Å¥ sbit EW_Red=P2^4;//EWͨÐÐʱ¼ä¼õ°´Å¥ char Time_EW;//EW·½Ïò¼ÆÊ± char Time_SN;//SN·½Ïò¼ÆÊ±

/**************************ÑÓʱ×Ó³ÌÐò**************************/ void Delay(uchar a)//Ñ­»·a´Î { uchar x;

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