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单片机99秒定时报警器proteus仿真 6 j) a- q4 Z+ \0 E! |$ A
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单片机源程序：
8 R* k+ @! N" U# E#include<reg52.h>
9 Z2 Y# q% Y8 U P! ^' [: m#define uchar unsigned char. e( P, j, ]% h& W# F/ w
#define uint unsigned int
8 ~- R+ |* \& F. o; osbit k1=P1^0;
8 Y) P9 {. r B r% A# X% X/ Psbit k2=P1^1;
! E( z6 L) n0 U" m' U( `sbit k3=P1^2;
' }4 o. P: p* |5 z0 w; E* P# [sbit k4=P1^3;
2 {& A4 t2 E" w# `* U( _- Xsbit buz=P3^0;" X+ f# }5 d+ x+ m
uchar code duan[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x00};/ ?" K; b: } E* p, ~3 a- e0 }
uchar count,shi,ge,dcount,dicount;' m! l" d( N) z- s
void delay(int ms)
) b$ }4 M. H$ j6 {{/ o2 @8 l- p. s2 I8 Y
uchar i,j;
# p* U6 I8 ^6 ]. Q2 b# n- a( e for(i=ms;i>0;i--)2 h- d% E6 ?) g: }
for(j=200;j>0;j--);
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Q* M: P' M9 ~3 M4 Nvoid init()1 j" O1 |/ D. e g7 }# g! A! G
{
( e' @$ F0 @, E/ G P0=0x6f;
+ K: z& o5 l8 u3 u7 S# d P2=0x6f;
/ R. J' W$ w* U v$ k) @ P1=0xff;
/ E: W+ l T6 f5 t buz=0;' y( Q+ o- W# M& x
TMOD=0x01;
5 F3 n, l7 f1 k IE=0x82;7 e) u. L6 V7 K2 K0 Y. u4 X
TH0=(65536-50000)/256;
; _* ]1 J# B& P* G TL0=(65536-50000)%256;7 o+ c/ T# U3 u$ P$ ?
TR0=1;
) I' o$ V- j' H) B6 r! F& T& E dcount=99;
/ @ G4 |! H3 @( n% y/ s2 m9 Y}
6 V1 d: M' A3 X; _, g$ ovoid keyscan()$ b9 Q# [3 n$ e+ U. k
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if(k1==0): I8 U3 g. Z, r7 G/ C; v2 k9 Q( Y
{
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9 T! A0 L5 U2 r4 ~ delay(5);2 H7 n7 r$ t) W @" F5 Z. n& z
if(k1==0)
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TR0=0;2 H u( F* W" Y* U
}
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if(TR0==0)
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! o8 e# x& y* a& A+ e$ G" o6 _5 X if(k2==0)+ u# p" ^0 `6 a% r! I; o
{
/ d4 W8 D8 E! y3 ^( T- f delay(5);
% y. w# i: I5 D/ T: h& D if(k2==0)7 P3 J% f0 `$ G2 w0 P3 c/ J4 L
{$ k# R2 v0 q$ ~
+ R8 d/ q, {" U4 ?% L dcount++;( P6 d6 l* I5 c/ a
if(dcount==100); s- `( [* T8 j. C8 m
dcount=0;% o. e; r5 ~3 g$ X
while(!k2)" o6 F5 i# m$ _/ ]2 G
{ ! v) I3 |0 [/ O
shi=dcount/10;! [! H- Y# Y; h i
ge=dcount%10;+ k5 K" I$ I- r& N: O
P0=duan[shi];
5 A9 X: W) ?, ]1 C8 f m8 @ P2=duan[ge];' Q) S. {' a/ K1 r, p i
}7 ?1 G0 @1 } q3 Q2 ^$ B- X& q
}; }9 h) V6 L( h* D" b
}
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if(k3==0)
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4 i8 C( U3 g5 `2 f# B delay(5);$ \! l5 F1 H* r! y. c2 C3 f
if(k3==0)( G7 a! }/ f4 Q" g
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dcount--;
' ?* M! c. u: ?7 e/ `. D: X if(dcount==-1)
3 }5 n6 R( {5 j: S2 ] dcount=99;
3 k( R9 K8 L0 m5 H! Q# u- r while(!k3)8 g/ A5 D+ W: N
{
5 A3 T: j9 Z4 s# H3 L$ k, J- J5 Y shi=dcount/10;7 g7 _7 O8 S% z8 h' ?. i4 ]
ge=dcount%10;# S+ l( t& V c3 M# f' @, u
P0=duan[shi];, l7 e2 o6 B* _9 L# I
P2=duan[ge];
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}
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}
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4 a& O, s2 X! g( V. a- Q if(k4==0)3 g5 {3 m# f9 s' F
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delay(5);
, y" Z$ G6 l$ g1 [4 ~0 k; x2 _, V! [6 M if(k4==0)$ B0 Y z; ~, V* i8 C3 x- T
{ \8 P9 {( a4 `, V3 J5 P8 R: ]! o
TR0=1;
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}
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1 N8 h: H$ x" @6 ]! Y. x. `, f}
9 |+ H* ~5 d' R N. [: H' uvoid timer0() interrupt 1
; X" M. m) A# u) @$ |{
4 c$ R! o4 {8 B0 m2 Z TH0=(65536-50000)/256;
$ n2 Q' [+ Y' S" O3 o; b TL0=(65536-50000)%256;
- z y( W5 Y8 j, m if(++count==20)
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count=0;3 \+ c8 L0 w* Z0 U9 q9 Y r. x2 s
dcount--;4 B1 V. a5 U4 _, B$ p
if(dcount==-1)
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TR0=0;
2 }$ f7 q& o5 w+ T3 |) g3 G while(k1!=0)
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P0=0x00;
V6 ]; f* M) Z9 t' j P2=0x00;" V# Q+ c$ n0 ` v* D6 t
buz=1;, P0 `6 }+ t6 k. H# F" C# B
delay(1000);
1 O0 j# ?8 J- g8 V1 h' y# P; S P0=0xff;& g- O. @" K X3 A9 i! x
P2=0xff;7 f, N# u" ~# G/ O0 u' W( {9 s% }
buz=0;
* t8 i3 M1 d' Y( g delay(1000);
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dcount=99;
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0 H% d z C3 F shi=dcount/10;% F. W- p. Z# u2 l$ B# t
ge=dcount%10;& M/ S" [* k! b+ q7 Q
P0=duan[shi];$ b5 ~( k( ^: u: M. x( ^7 D
P2=duan[ge];3 p; F4 } b) n
}
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}
" _: p+ b# E% q! q+ q( hvoid main()" U$ i+ m/ \% W/ Q, h# y5 t% T
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init();
/ }' h- r' K! ~ while(1)
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keyscan();
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发表于 2018-11-30 09:15
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