1 sbit HC138_CH1 = P2^4; 2 sbit HC138_CH2 = P2^5; 3 sbit HC138_CH3 = P2^6; 4 5 void Decoding (unsigned char m) 6 { 7 m =~ m; 8 HC138_CH1 = m&0x01; 9 HC138_CH2 = (m&0x02)>>1); 10 HC138_CH3 = (m&0x04)>>2); 11 }
原文：https://www.cnblogs.com/nsss/p/11546047.html