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2022-12-23 12:04 来自 13163935507 发布 @ 综合讨论
- #include "reg51.h"
- #include "intrins.h"
- //STC15w204s
- void key_scan(void); //ÉùÃ÷¿ª¹ØÉ¨Ãè
- unsigned char t1=1; //µÚһ·¶¨Ê±¿ª
- unsigned char t2=1; //µÚ¶þ·¶¨Ê±¿ª
- unsigned int hm1,hm2; //ºÁÃë
- unsigned int m1,m2; //Ãë
- sbit b= P3^2; //7½ÅָʾµÆ¿ØÖƽÅ
- sbit a=P3^3; //8½Å¿ØÖƽÅ
- sfr CMPCR1 = 0xE6; // ±È½ÏÆ÷¿ØÖƼĴæÆ÷1
- #define CMPEN 0x80 // CMPCR1.7 :±È½ÏÆ÷Ä£¿éʹÄÜλ
- #define CMPIF 0x40 // CMPCR1.6 : ±È½ÏÆ÷Öжϱê־λ
- #define PIE 0x20 // CMPCR1.5 :±È½ÏÆ÷ÉÏÉýÑØÖжÏʹÄÜλ
- #define PIS 0x08 //CMPCR1.3 :±È½ÏÆ÷Õý¼«Ñ¡Ôñλ
- #define NIS 0x04 //CMPCR1.2 :±È½ÏÆ÷¸º¼«Ñ¡Ôñλ
- #define CMPOE 0x02 //CMPCR1.1 :±È½ÏÆ÷Êä³ö½á¹û¿ØÖÆÎ»
- #define CMPRES 0x01 //CMPCR1.0 : ±È½ÏÆ÷±È½Ï½á¹û±ê־λ
- sfr CMPCR2 = 0xE7; //±È½ÏÆ÷¿ØÖƼĴæÆ÷2
- #define INVCMPO 0x80 //±È½ÏÆ÷½á¹û·´ÏòÊä³ö¿ØÖÆÎ»
- #define DISFLT 0x40 //±È½ÏÆ÷Êä³öÂ˲¨Ê¹ÄÜ¿ØÖÆÎ»
- #define LCDTY 0x3F //±È½ÏÆ÷Êä³öµÄÇø¶¶Ê±¼ä¿ØÖÆ
- P5M1 = 0x30; //P5.4½ÅΪ¸ß×èÊäÈëÉùÃ÷
- P5M0 = 0x00; //P5.5½ÅΪ¸ß×èÊäÈëÉùÃ÷
-
- void cmp_isr() interrupt 21 using 1 //±È½ÏÆ÷ÖжÏÏòÁ¿Èë¿Ú
- {
- CMPCR1 &= ~CMPIF; //Çå³ýÍê³É±êÖ¾
- // a = !!(CMPCR1 & CMPRES); //½«±È½ÏÆ÷½á¹ûCMPRESÊä³ö²âÊÔ¿ÚÏÔʾ
- // b = !!(CM
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