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ÎÒ×öÒ»¸öµ¥Æ¬»úÓëPCµÄ´®¿ÚͨÐÅ£¬ÓÃProtues +keil+´®¿Úµ÷ÊÔÖúÊÖ²âÊÔ¹¦ÄÜ£¬Ð´Í굥Ƭ»ú´®¿ÚͨÐųÌÐòºó£¬·¢ÏÖ´Óµ¥Æ¬»ú¿ÉÒÔÏòPC»ú·¢ËÍÊý¾Ý£¬²¢ÇÒÊý¾Ý¿ÉÒԳɹ¦½ÓÊÕ²¢ÏÔʾ£¬µ«´ÓPC»ú·¢ËÍÊý¾Ý¸øµ¥Æ¬»úʱ£¬µ¥Æ¬»úû·´Ó¦¡£²»ÖªµÀÄÇ¿é¶ùÓÐÎÊÌ⣬ϣÍû¸÷λ´ó¸çÄܰïæ¿´¿´½â¾ö½â¾ö¡£Ð¡µÜÔڴ˸ÐлÁË¡£ #include <reg51.h> #include <string.h> #define INBUF_LEN 4 //Êý¾Ý³¤¶È unsigned char inbuf1[INBUF_LEN]; unsigned char checksum,count3; bit read_flag= 0 ; void init_serialcomm( void ) { SCON = 0x50 ; //SCON: serail mode 1, 8-bit UART, enable ucvr TMOD |= 0x20 ; //TMOD: timer 1, mode 2, 8-bit reload PCON |= 0x80 ; //SMOD=1; TH1 = 0xF4 ; //Baud:4800 fosc=11.0592MHz IE |= 0x90 ; //Enable Serial Interrupt TR1 = 1 ; // timer 1 run // TI=1; } void delayms(unsigned int t) { unsigned int i; while(t--) { /* ¶ÔÓÚ11.0592MʱÖÓ£¬Ô¼ÑÓʱ1ms */ for (i=0;i<125;i++) {} } } //Ïò´®¿Ú·¢ËÍÒ»¸ö×Ö·û void send_char_com( unsigned char ch) { SBUF=ch; while (TI== 0 ); TI= 0 ; } //Ïò´®¿Ú·¢ËÍÒ»¸ö×Ö·û´®£¬strlenΪ¸Ã×Ö·û´®³¤¶È void send_string_com( unsigned char *str, unsigned int strlen) { unsigned int k= 0 ; do { send_char_com(*(str + k)); k++; } while (k < strlen); } //´®¿Ú½ÓÊÕÖжϺ¯Êý void serial () interrupt 4 using 3 { if(RI) { P1=SBUF; RI = 0 ; } } main() { init_serialcomm(); //³õʼ»¯´®¿Ú while ( 1 ) { P1=0X00; } } |
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