基于51的按键LED显示

#include#include#defineuncharunsignedchar#definekey_press2#definekey_ok1#definekey_nopress0uncharres_col;uncharres_row;uncharinput;uncharkeystate;uncharkeynum;uncharscanrdy,clr,m,l;unchardatas[4];sbittest=P2^7;//sbittf=P3^3;//sbitsav_clk=P3^2;unchar