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火灾报警系统_单片机proteus仿真及源码4 @! N: n- o4 M# L1 H- G
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单片机源程序:
1 G0 T2 e- I. B4 _7 Q#include<REG51.H>6 v2 e! ~7 P: h; E
#define uint unsigned int; P3 u8 y- C* H" D3 ~* D
#define uchar unsigned char! H# p7 S+ ~1 F! D7 b/ m1 T% h. n( |& i
uchar code a[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; //段码组合,共阴极
5 ?% u# D4 K( |uchar code b[6]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf}; //位码组合 低有效) y" R0 i" b4 u" l3 ~5 y" o6 ], B
uchar code c[9]={201,202,203,204,205,206,207,208,0}; {5 V4 V# }: f* g5 {
uchar y[8]={0,0,0,0,0,0,0,0};/ _4 O/ m; A# @- P
//*************************************************************************************
; {4 f8 Y# y* x1 R2 k1 zsbit ST=P3^1;
: w7 j3 W. D B+ U/ ?# @7 Psbit OE=P3^0;
4 d2 t$ L( Z' f2 f1 ksbit Add=P3^4;
7 q- w2 S8 v1 P; p8 K L* e# i5 xsbit Bdd=P3^5;
9 G2 c% F+ X# A8 ^- b" Ysbit Cdd=P3^6;; c0 B2 t7 U% F# m
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