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sbit RS = P1^0; //???? sbit EN = P1^1; sbit P12=P1^2; sbit P32=P3^2;
#define RS_CLR RS=0 #define RS_SET RS=1 #define RW_CLR RW=0 #define RW_SET RW=1 #define EN_CLR EN=0 #define EN_SET EN=1
unsigned char i=0,timecount=0,displayOK=0,rate=0,aa=0; unsigned int time[6]={0};
/******************************************************************/ /* ÑÓʱ */ /******************************************************************/ void delay_us(unsigned int n) //?? ????????? ????? {
if (n == 0) { return ; }
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