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烟雾报警器制作过程及相关程序 ]4 t z" |9 f D$ z& j$ S
//程序头函数. C' E8 ]9 X9 k2 T
#include <reg52.h>
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+ A: F- b6 I/ \ ~! z5 w0 }* j//宏定义; A- Q$ a/ V* h) l0 [- m. G8 f
#define uint unsigned int
2 ~% S( y) X q2 g! L#define uchar unsigned char; R' M0 R$ T2 V, i, i s
#define Data_ADC0809 P1
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, _; y& `' ~: U8 K6 Z4 i//管脚声明 r2 F8 X( Z6 Y4 P# Y
sbit Feng = P3^0;
0 y1 m4 z) w4 {* _1 k) T) a% B; i//ADC0809
- y5 B+ L6 t# h; ?8 `& S* ]sbit ST=P3^3;
2 D' g6 Q5 i! n2 ]. B! |sbit EOC=P3^4;
4 B7 E9 w6 R; G# v& x1 M. n ]sbit OE=P3^2;
+ F w* r+ ?3 `$ X5 I- O. ?//按键
. A! p1 { ?! Csbit Key1=P3^5;
! H! z6 Q' p, V6 @; H8 Y" q, Wsbit Key2=P3^6;1 [9 d/ A5 y# ~5 x
sbit Key3=P3^7;# k9 _. b- [. U5 d" D. {
& R. C8 C* U7 g3 e( h [* N' ?//显示数组 0-9+F
1 a% c- u+ w5 U i; c% Y3 j4 Huchar Data_[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x71,0x3f};. `3 v/ Q, @4 G- z5 K
sbit Wei1 = P2^7;( @1 P4 ^1 B% N7 @+ f. m, {- S
sbit Wei2 = P2^6;
& q; b/ ^9 P- x9 Z9 l) Csbit Wei3 = P2^5;
g/ J/ @ @7 x& ysbit Wei4 = P2^4;
) d T$ n; [7 g, ~# E//函数声明' b$ d7 k$ W% B6 g
extern uchar ADC0809();' ?) H C3 i2 l% z3 l
void Display(uchar X,uchar Data);4 Q! I, t3 _# z K& l9 u9 y
void delay(uint t);! w; N: v" z; Q/ H5 ^) ?
8 @& I" D6 V8 p: D& ]//酒精含量变量1 C- H+ \6 \ e- b' R+ ~
uchar temp=0;
7 x# ^. n+ }, S; ~4 Y6 c* o% C& y//蜂鸣器变量
' }. B! t# j3 @* U4 \uchar FF=10;
+ W2 L7 R" h/ Q t( W//显示模式
* F, @! B. k; q) Kuchar Mode=0;
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void main()
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while(1)
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//正常模式
9 E" `+ L3 s0 |if(Mode==0)6 N8 K8 J9 J& i/ k# Z. C3 p
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//读取AD值
( r" @7 ~6 J3 j9 Ctemp=ADC0809();
2 m. z1 O$ e# }0 R+ J- ffor(p=0;p<30;p++)
- i: |3 ?! F( l! v& rDisplay(0,temp);
4 G. u; l% E& V3 `4 q9 R- k& a//判断是否报警
, f8 ~3 |( R( P" N# \( z0 T3 ]$ zif(temp>FF)& S( d$ h0 _, i( d3 Y+ r" S
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Feng=0;
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Feng=1;( H; e' B+ a: W
}
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& ]- c; a$ j- ^: f+ E+ d//调整模式
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{
) w* h) x, _* [6 K ]5 |; Z2 }Display(1,FF);
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0 A) c1 T4 g0 N4 k' Q//功能键
. @ [& s6 o7 `1 h+ `if(Key3==0)
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; c, @8 a U' S. A" s7 UFeng=0;
: E1 w- P. w: j% P! H W7 Xdelay(100);' s7 e: t/ }& K% P/ T6 M, B* v! R
while(Key3==0)0 L! Y; `' z7 l1 }' g( Y
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if(Mode==0)! \2 K3 p/ N4 I
Display(0,temp); 7 C9 b+ f2 Z# N# @) ~
else z( ]0 `, `, [4 a2 a
Display(1,FF);
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$ o) l* L# K( j6 x! o0 ?0 wif(Mode==0)
1 @3 K! R8 m p" F4 OMode=1;
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Mode=0;
" z% C3 D5 \2 f7 GFeng=1;
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//增加
0 k& X: B- c6 x8 D. ~6 eif(Key2==0&&Mode==1)
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Feng=0;+ G9 L/ {! N" {5 u0 I7 u+ ?% Z" ?! V
delay(100);
& ?! a" h4 I' A1 s a1 `- _while(Key2==0)
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+ W9 n* O5 \7 Y6 k% ^. I: DDisplay(1,FF); % Y; x! D* s/ w2 O. S3 v$ i: c
}
8 Q4 ]1 p$ g0 \( @FF++;! g+ f& e' }4 M9 ]2 c+ {% h
if(FF==251)
) f D. Z) x% D, i4 G' zFF=250; ) X6 j Y: U3 N6 { y
Feng=1;
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G5 ~9 X2 i8 w7 A) @8 q//减少
# _6 |# E5 v, X, W$ Wif(Key1==0&&Mode==1)$ {; \9 e$ U% }, |9 O$ v+ X
{
1 J1 n' K# s) n7 ` |. QFeng=0;
: v. X' y1 w9 s, {5 `: K4 a/ `delay(100);
9 Z. H; ]5 [9 d& y9 y, b2 wwhile(Key1==0)
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Display(1,FF);
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FF--;
: I q# j& S0 ^" o/ V( w5 ?if(FF==0xff) ' A1 U8 m4 g. R' b$ j+ b
FF=0; & \ Y) H% i1 X$ h1 J* ^0 n) `* Y0 T
Feng=1;* R2 m; l# u/ F* s
}
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//ADC0809读取信息
% s4 j; P0 {* p0 r' Yuchar ADC0809(), k' C- p1 T& q2 Y5 Z
{
- r2 r: o# i! s6 c4 P. Fuchar temp_=0x00;3 i* p; d7 B; r# G% V& f2 H) |$ Z/ o
//初始化高阻太5 H* {# z5 g. z% C1 u
OE=0;
+ {) L) A# ^* ?! a//转化初始化
- W' g2 C+ K& W9 _ST=0;
# W8 J A# _6 w) `//开始转换
. x" k# f% Z) c) [- y$ T* iST=1;
# s3 u2 H4 v% m: q* }$ O3 {0 E fST=0;1 `% J. z3 @6 L, g" }
//外部中断等待AD转换结束$ P U7 H: s' W7 C; g' f* V, }
while(EOC==0)6 h d8 p. {0 \; r, _: G
//读取转换的AD值 x$ k' ]9 n/ m
OE=1;/ s$ l$ v& M, P1 c' |0 x
temp_=Data_ADC0809;. B" y7 A, X/ E
OE=0;
; K) ~, U- j4 f* o/ o9 _return temp_;6 m2 o. y: Z! @
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//延时
; e3 Q/ L: Y) ~7 J H, R6 Zvoid delay(uint t)& J! P8 w' M5 P. b( y
{
2 y, \( U% c" k5 D* r0 }6 g6 l" Huint i,j;6 C7 K+ m4 C v9 b4 T5 s- b4 \
for(i=0;i<t;i++)
, a& q; N. Y0 Hfor(j=0;j<10;j++);
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0 u* O, s( \4 w//显示 X表示状态 Data表示数据
5 e: [# F. K9 Wvoid Display(uchar X,uchar Data)6 J- x, S4 e) f( z! @. R1 `
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Wei1=1;
+ |: ^6 v8 |8 X, u! i/ mWei2=1;
( E- ^& f# J* ^$ }Wei3=1;
+ b4 a+ G0 M1 o. a- u+ UWei4=1;
1 C3 g, e! p8 G" A5 a0 uP0=0xff;
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N2 g3 r- {! ]$ A# ]//正常模式
8 r& c4 s9 w5 m' g: n# n( `5 u! hif(X==0)
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( W7 }. W1 z. U9 t4 q1 N6 xP0=~Data_[11];- S+ E1 X; y) @! A b, S
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//非正常- r0 |! I) v% ], Q: C! n8 T
else
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P0=~Data_[10];
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Wei1=0;
, f* x; V6 V- s l* r' {& }/ SWei2=1;
9 D) l% p/ ?$ Y9 f/ L4 @% r8 L6 {Wei3=1; V( d$ X. t' B
Wei4=1;; p) y( Z0 x! u3 x5 Z2 s
delay(10);3 m7 Z8 y0 f# v; D
Wei1=1;- O. _- H9 [ V9 Q% [; v) ?2 ^" s
Wei2=1;
+ `9 P3 o9 b# I1 U6 d+ ~Wei3=1;# R6 e7 L* ]1 b& N+ G
Wei4=1;3 I( W+ q9 q+ J* K( B( G; ~
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P0=~Data_[Data/100];* b. X& h! O" \- z& H
Wei1=1;, A) K" L1 }1 ]& i" H( R, p1 {
Wei2=0; v5 L/ g* t% s7 s9 V6 g8 D
Wei3=1;
# ^6 F4 d9 j$ Z; f; W- T( kWei4=1;
. h" G3 u) F0 e# O0 rdelay(10);
5 k" C; ~$ h" r) I, |. HWei1=1;: h% K/ k) ~+ ?0 r! w
Wei2=1;
! o* i: s2 |3 I, L! z# B# TWei3=1;3 x! ]% `' p2 f Q$ W& X& ^
Wei4=1;; a2 q: t; ?6 J5 f7 c
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- p e1 D4 Z2 O' Y" yP0=~Data_[Data/10%10];* Q) F! Z( W$ A7 ]
Wei1=1;
& t' [: z9 T+ k$ @6 B1 dWei2=1;
( `( I# S/ `& G. g" n; \) c; rWei3=0;5 c( u8 R3 n9 ]4 ?
Wei4=1;
! K$ |8 ~7 z7 udelay(10);' W \3 q H/ Q/ j3 Y8 d
Wei1=1;2 v8 c* [4 x6 z& _2 X) }
Wei2=1;
2 }; h6 u$ b; W6 m% ?$ `" A$ fWei3=1;/ M$ ]! [7 N# x) }; M
Wei4=1;0 a- z6 R5 Y/ E. R0 K
4 b' V) W6 \% t* w; L6 _: ]P0=~Data_[Data%10];
@% R8 d3 a# {; n9 O" UWei1=1;* `1 D% A8 S% T" [
Wei2=1;
7 |$ x2 l7 x3 ?9 sWei3=1;
0 e' ~7 u. w2 A* ~5 ZWei4=0;
; ^0 V0 {7 G9 Q$ ]delay(10);
" d# q( R' S& O6 CWei1=1;
' X( T w: U) Z' @Wei2=1;; w! d# T4 @7 l2 @ V
Wei3=1;5 Z* ^& X. \7 O
Wei4=1;
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