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单片机串口通信程序#incl reg52.h#nce#nce #iclud #efine ucarusindcha defni unsigned t sKey1 =P23;sbit Ke2 = P22；sbit Ky3 2;bitKey4 = P2;bi BL = P36;si ONNCT = P3;usigneditKey1_lag = 0;nsinedinKey2_la0；uied n ey3_lag= 0;usid nK4_fag= 0;usigned chb;unsgnd char cod um21=x，0xf,04，0xb0,x9,092，x82,0f8,0x, 0x90,0x40，x79，x24，0x30,0x19,0x12,0x0,x7,000, 0x10,0x8； ungn chr code Disdigit4 =0x，0xBF,0xDF,x;signed char Disbuf4;vd dlaym(un t)ni;wh(t-)/* 对于1.092M时钟,约延时ms*/for (0；4;Disu3= S0x0； RI 0;ele;
