|
|
EDA365欢迎您登录！
您需要 登录 才可以下载或查看，没有帐号？注册
x
51单片机用LCD1602液晶显示年月日，及时间时钟设计代码* Y- d* u6 R) n1 V: e; f, m! y- h
3 ~3 r5 k' Y0 k& Y
0 j, n9 R$ o1 Z) ]+ G
#include<reg52.h>
6 b8 Z1 Y$ }; P% r#define uchar unsigned char 1 U9 i& t1 K9 E
#define uint unsigned int
& l5 ?- U% c* `& P3 [1 j x7 [sbit dula=P2^6;" B& ^. E9 t$ b- s1 z
sbit wela=P2^7;
6 [3 ~- ?+ x5 }sbit rs=P3^5; B1 z$ R: x* D" Z2 n
sbit lcden=P3^4;) ~& W+ a9 B- q& D/ c% Y& K
sbit s1=P3^0;! u! s' V8 ?2 a; u
sbit s2=P3^1;: b0 k7 l1 H: y% [
sbit s3=P3^2;
. ^. \( I1 i" v& B$ f, N" asbit rd=P3^7;
% Y8 O5 s( u8 G/ @ E+ Yuchar count,s1num;
" \" c4 G+ b! ]5 h6 ~char miao,shi,fen;
" D$ _: \6 I0 ]4 Ruchar code table[]=" 2007-7-30 MON";
[8 J4 h" } C* ]: ~% H5 y% ^uchar code table1[]=" 00:00:00";
! l9 m2 l% C. S. ?void delay(uint z)
) f1 E! K2 i% E) V8 {{) I$ f' c" H# Y. u6 l& J
uint x,y;7 T+ S( j& D$ X! @- P* _! }
for(x=z;x>0;x--)
% J" \( U7 _/ u" N' C for(y=110;y>0;y--);
* t7 ?* g7 Q H$ c$ p$ Q- U}# V5 l2 h, ]1 m# i# O, S1 J5 n
8 c" h# f0 P5 V0 O2 \; J7 I: }void write_com(uchar com)3 N; \/ M- \5 c6 b, D
{
: V1 T9 B" K8 g4 p d2 P rs=0;3 M5 B. p$ ?1 ?) ?
lcden=0;
+ t* q, A3 j- }$ F8 y: c P0=com;
- w# ^7 @9 X& S3 m: v; X+ a delay(5);9 h& G4 Q3 m" n; `1 W
lcden=1;. ]$ H& D& y0 u
delay(5);
4 G7 }6 S- i+ P; F" | lcden=0; " m/ f p: `9 h. n
}$ Y2 V, t3 d9 K: l: a+ l
1 L9 f4 g1 G! C) k9 L* h- t
void write_date(uchar date)
: R! r+ X: A9 W{
, d" m; [7 H; w$ I0 ~ rs=1;
; t8 i' E6 t- l8 u4 |' x, P lcden=0;
: w! b7 Z1 ]1 r r P0=date;3 _8 l0 @' r) i9 `
delay(5);/ |& g1 D6 [, P
lcden=1;
0 |# g9 t A* l# y2 D; ^ delay(5);9 }" l0 a) ^5 T* H/ W
lcden=0;
1 ?/ ?% r3 n$ Y! U! x}7 M' I; }/ }1 ?& n/ z2 ^
/ ]/ ]0 f% K* b- {! _void init()( P+ @: i5 t$ |! L
{: @% z0 R2 S) ]) ]7 O1 ~
uchar num;
, h# E# a- _. o. @# p% _( E dula=0;
* W, o1 S' y# ]+ U7 ~+ Y, z wela=0;. {; Y" i1 q6 s. O! f
lcden=0;
) @5 J) o. x8 D! }$ H) J// fen=59;
1 ]/ t( J q, ?' C7 a. t2 t// miao=53;
- W1 [! {+ T0 v) Z' z* ], e// shi=23;+ j& Z+ c' `1 `
write_com(0x38);
) i/ S+ E' R: U y7 s3 C write_com(0x0c);
3 E5 ]7 P. o$ I0 F2 F write_com(0x06);' q* M- s5 \# H, x7 D+ k5 T
write_com(0x01);) V+ G* U+ l H+ \( W+ L
write_com(0x80);$ l+ w; }0 z2 s( _2 c8 B# [4 U
for(num=0;num<15;num++)
5 S) J, |, f" q- X' T$ D1 M1 U8 H {
5 x' ]: T, `+ Q. ]9 Y, ?# g write_date(table[num]);
3 ~6 I6 Z7 V+ W6 X0 y) F4 v0 [+ I: y* j delay(5);
$ C7 d- E. i8 @& g- E }
0 \. E f0 @+ ^4 t7 l+ S! L write_com(0x80+0x40);9 h7 d! M6 K, r) w' Q
for(num=0;num<12;num++)5 X% _2 l( v6 V: a, E2 U
{7 ^+ Y6 I' ^; i( J3 x
write_date(table1[num]);. g0 n& E' n ^, n! h
delay(5);
. u, [$ s* i3 N; K5 l W. L8 _: { }) a$ Q, H0 a% f: g
TMOD=0x01;
, r& f. K S/ h TH0=(65536-50000)/256;
3 i% E6 C d4 ]8 ^. l/ P TL0=(65536-50000)%256;
" g6 r( ~* S" l EA=1;
" Q! ]0 d4 _. O9 f% M: F9 j ET0=1;
/ p( W6 m/ V( c' ~ TR0=1;7 k1 h% O" d1 o: E* |8 v3 n
}
& a8 y# M$ A5 |" |
9 v- \8 Y" ` @void write_sfm(uchar add,uchar date)
+ t) v! b A3 ?" `) E" h& P/ D5 L{6 j+ g: U: ]" E) s) ~
uchar shi,ge;* L q: k6 Z$ e; w9 R' T
shi=date/10;
6 S/ k! g8 L2 h1 g( f ge=date%10;, V- z6 n1 [/ Y) A* }/ n; u4 y
write_com(0x80+0x40+add);: P$ W4 d# C( g/ o5 ?3 D
write_date(0x30+shi);5 ~; i" D8 A. H* U
write_date(0x30+ge);4 V# T* f2 S/ @0 y7 B
}+ m. E- c$ K, ` p+ Y
& ?' z R: p- ^2 B
void keyscan()% F$ v* d, x: `
{$ q3 h0 S3 [2 N& r/ e( u
rd=0;4 p( @# k- X' c
if(s1==0) * w, H5 M, `9 j) ^+ K; d5 ?; l
{
6 H' I. ^) z/ p9 O2 P delay(5);
( n4 r% T. ?' } if(s1==0) C. z) N- Z6 {9 P, H" Q
{ s1num++;
: L/ E: p5 @6 g while(!s1);' _6 Z3 ?& e1 u, E( S9 e8 O4 k
if(s1num==1)
5 g' M* L1 @. u% g! T$ S {
5 s N( O6 }. N2 W* f TR0=0;2 R$ F; d9 a& X% g5 A2 z3 B7 T
write_com(0x80+0x40+10);
+ y, d% f: z$ [ write_com(0x0f);
/ @# f6 a( [2 O( ^' y/ K' L }7 R: B7 z' b; K( f
}
/ e. t: s: |/ w2 i& y if(s1num==2)
* u6 Q" Q9 O7 @ {
6 O! c3 o+ \1 m: U+ O5 B* {! i write_com(0x80+0x40+7);; [% b4 r8 s; |: m: g/ z
}& a' {) y- e' ?: u- u( a
if(s1num==3)3 ]- Y+ ?8 Y5 i5 f+ ~( @+ N
{/ n" y' D8 r/ y- v$ d+ p' ~* v- c
write_com(0x80+0x40+4);# T. e3 g6 Q3 |" d1 J# ]
}8 b, ~: P, J9 h2 m; u
if(s1num==4)' c; O; f- E, C+ M
{# h0 b" |6 |' H/ a
s1num=0;- M: ~2 [% n# t) ]% Z) C9 m, y
write_com(0x0c);5 p# L- U# J( z# V
TR0=1;
' k: L/ ^% O( f9 G% i }
, q6 k* S/ n r. l1 A6 d" x& K t. Y7 V% \& \
( w; Q1 w8 c( D) H6 |; d" S+ l }4 N8 P8 |/ s4 e! {# `6 l1 O7 N* m
if(s1num!=0)
9 F; `! \ L+ [6 s {
' S2 s z9 m% D. U) @ if(s2==0): E; r, u& r( h+ Q) M0 ^$ N
{! a: }; X C* U9 _9 Z( \* n
delay(5);
* F+ b( ^8 r, ^ if(s2==0)
4 _2 Y) Z# ?; t; X {1 {, u; S, d! p; k+ [1 C
while(!s2);
. C* A1 n4 ^# l6 Y/ X* ?0 ]$ l if(s1num==1)1 Z w* F: Z# r U/ g
{$ R5 O K! b* z0 j! Z( `
miao++;
& \% I/ ?; e0 P* f* ^0 d. n2 { if(miao==60)
: N0 S) w5 s! {9 x$ ]2 H" H miao=0;- Z( v0 l9 l% N" b+ f
write_sfm(10,miao);! Y: _; {* O- ]* O7 E& S1 A" r
write_com(0x80+0x40+10);
! ]. {& \) m2 T4 c+ ~
! r+ D1 C2 e& ` h3 H, Z j8 K; @1 @- R- I6 p' E
}/ y, r9 D/ w1 \" O
if(s1num==2)
7 V5 j6 X5 r* ?4 \3 b2 f7 O! s5 g) L {
1 |+ Q8 Y5 m% _6 x fen++;% o& h" f }) K) O5 w) F- S) Z6 B
if(fen==60)
% U# O$ _# s, N5 L fen=0;( T1 s/ X+ M1 i& z( G- ^
write_sfm(7,fen);: e9 p5 |/ Y( I5 D0 Q3 f
write_com(0x80+0x40+7);
9 s, \, i5 u3 z( Z5 a }1 ?( q( X. P' ~3 f% Z$ F# O& c
if(s1num==3)- ?9 d8 q( ]0 e6 c& R" F! p2 y
{
" P4 d( a2 D0 A+ D' y! k( K. Y shi++;! U. B+ b' d" ^& ?' z' Z6 p/ g
if(shi==24)
7 m S1 F4 ] ]1 v# P3 n+ | shi=0;6 h2 e& U1 [- M
write_sfm(4,shi);$ I ]. L6 d3 ]( V( u& N0 F
write_com(0x80+0x40+4);
7 J" D& S9 f6 d } C+ X) ~' ?* [3 s% A8 C
}
4 l: A: d5 ^8 p7 H& `$ [ } ]3 Z5 M* I8 ^; z! P9 X
if(s3==0)
* ?) Y( Z3 {8 n/ R4 z {
/ P$ o" Y! k2 C1 u0 F delay(5);
8 e& w; _) a+ h# }/ q+ ` if(s3==0); C6 U t5 G, \" {9 y
{6 U/ v, N6 ^; ?
while(!s3);
( U/ d% {- N0 R4 _ | if(s1num==1)' M, @" C2 l; T' L* R
{7 i& H5 @5 X; a7 t. ~
/* if(miao==0)
. v! }9 W+ ^; h P8 J+ f) v {
6 D! U+ O( x+ M7 ]* G% a miao=59;
3 L, u7 `: _2 h8 \ write_sfm(10,miao);
$ y/ f8 d! J% B. f write_com(0x80+0x40+10);
' J( I9 L& L& s }*/
0 v) |& g2 x( M9 m miao--;
! \% m. z: Z! Z4 C if(miao==-1)5 A. O% B# h/ Q* X
miao=59;" h9 ]3 ]$ t2 L
write_sfm(10,miao);$ b6 s. A& C! i9 q. Q( o4 i
write_com(0x80+0x40+10);
: w O6 ?. N4 x) M }; z' f+ e7 z2 S$ E9 f- |; Y+ Z
if(s1num==2)
& |# w. q( g- X: y# i$ ? {
& F" F* e2 P: s0 G fen--;3 T) M6 U8 @+ e) W/ {/ H3 N% D6 z
if(fen==-1)
+ q$ ~8 r' D7 G fen=59;/ k5 e$ I; y% A
write_sfm(7,fen);
4 i: e# U0 [- w write_com(0x80+0x40+7);+ B% ^ Y& u: q' @2 f0 x
}
3 |) ~: ]6 a/ Q# q" ^( d4 G5 y if(s1num==3)
" z7 ?/ Q: ]: U$ L" U {
2 D1 {! @3 l. z, v shi--;* M- x4 }! R/ z" I- g9 e7 [
if(shi==-1)3 _* l4 g C/ J! j2 q N
shi=23;
; f8 P1 N6 B. z( o" P" J1 V write_sfm(4,shi);
( ]$ p! n0 w2 d write_com(0x80+0x40+4);
, U# U ^* V$ k5 ^7 I }7 y( N2 b. D, E& h! K5 ^: m/ N) j
}
2 y& f, ~& j2 t3 o% a2 t- z }5 K7 F$ R, L* X( } C& D
}
0 N' M+ C: P9 W}4 w4 ?2 e- b d) p5 b2 J
void main()
* s2 Z: e+ c' n- T{
! G: R- u' D/ [. x+ x init();
; Y' p$ a8 B( Q" A) ? while(1)
' O2 q4 J# ]! q! F# f0 l {0 v' ~7 U1 g$ a/ G
keyscan();3 w4 y: t7 M0 d5 G+ T, n
- n E) ~0 @6 R
}
! i0 I4 ^& y$ j// while(1);
) @, K: p \* M, b) @0 _& A}4 Z. [$ ~4 u: H$ U: x
8 u3 Y7 |; v }void timer0() interrupt 1
; @; n: X' ^. \8 @{& E- _/ A3 a0 `6 D
TH0=(65536-50000)/256;
; @. X' _+ K$ ^* A- Z1 A TL0=(65536-50000)%256;
' ?" ~8 \: m8 _: R& {9 p }& _ count++;
& W7 R @) \( N5 x. k- H, Mif(count==18)
, K# y- F7 [: A& _: k5 V {8 I- t7 a& E S' p ~0 h C1 K7 n
count=0;
6 ?! m* r0 A5 Q0 ]* r$ d$ J! v/ p$ L miao++;
( p8 S7 ?4 Q; m; S if(miao==60)
; z7 c# ?5 L3 X7 T2 t+ z {
) o, ^5 ]5 M2 A6 R3 A$ \ miao=0;
& A& {6 B& l; F! B @" @' z5 r fen++;( O u- I' k) ]( W& o2 z
if(fen==60)& D$ D* ^3 y0 N; R# ~$ p: v
{
0 ]5 F) d: d- O9 J fen=0;" Z! R5 Z/ t [
shi++;
/ R6 Y4 q2 p5 b& T: p if(shi==24)
5 u* ~0 c* a2 d6 ` y. Q. j {
$ h5 c3 K/ N. e. M shi=0;
2 u! r! S" J8 m. A7 H# ? }( w5 C5 f8 x# o
write_sfm(4,shi);. o& H6 S% b4 d) I6 u
}
+ o3 t, _% y h1 { j( T' G write_sfm(7,fen);3 }/ O/ Y7 N7 K; ^4 h
}
2 q9 N* T# ]- P0 o/ Q, b) [ write_sfm(10,miao);- x3 a, ]* |/ h$ |& L0 ~5 ~
: [: a. i* q6 y9 c }
/ z( F7 Y$ R* B9 H1 Q}2 O( c- _1 F% w4 z% T4 y; K
|
|
/1 
发表于 2019-1-18 13:48
收藏
淘帖
支持！
反对！