在 P1口接一个共阳极的数码管,连接P1.0-P1.6依次与数码管的abcdefg各段对应连接,请说出下列程序的功能是_ _。并写出指定指令在程序中的作用。 #include
//____ ___ #define uchar unsigned char //___ _____________ #define uint unsigned int unsigned char seg[]={0xc0,0xf9,0xA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90}; //___ void DelayMS(uint x) //_ ___________________ { uchar t; //___ __________________ while(x--) { for(t=120;t>0;t--); //__ _________________ }} void main() //__ _____________________ { uchar i; //____ ___________________ while(1) //___ ____________________ { for(i=0;i< 10 ;i++) //__ _____________ { P1=seg[i]; //__ _____________ DelayMS(1000); // _ } }