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51单片机用LCD1602液晶显示年月日，及时间时钟设计代码* f% M' k9 o n8 b
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#include<reg52.h>
' Y, x, C8 S2 j# l3 z#define uchar unsigned char + g. s: U$ ^+ |1 m- S: R! P4 _
#define uint unsigned int9 A, @) d8 N+ o" @+ i5 w) ?
sbit dula=P2^6;. w9 ?+ S: V, s$ n2 g7 u( w# @
sbit wela=P2^7;$ M# H! s) Y' R
sbit rs=P3^5;
7 p! u# @) y; s! W! j& P* L. `sbit lcden=P3^4;6 z& v/ y4 o0 [0 s
sbit s1=P3^0;
# T' X/ h3 K: l8 P, `3 csbit s2=P3^1;
' G6 @6 ~- U( K* xsbit s3=P3^2;
' w( s. e p- R; o" r# d7 Gsbit rd=P3^7;+ u+ e" e5 w7 r5 i' d
uchar count,s1num;
7 G) I6 S7 C8 Lchar miao,shi,fen;
3 f: r T9 H/ Ruchar code table[]=" 2007-7-30 MON";; g g& K! f9 d* _
uchar code table1[]=" 00:00:00";
. G* F: {2 ~% w. n g! m" Zvoid delay(uint z)2 g, D7 {7 \) x G2 Y
{
+ f4 X9 r1 C0 c4 u uint x,y;" { y& e5 p! ?
for(x=z;x>0;x--)' e! r+ Z& x/ X2 I' }
for(y=110;y>0;y--);
) J7 N. @/ x- @# L- s) P}; {1 B5 v2 f& j2 W1 U& z
: r! n' i5 s4 j, L5 [1 J! }% @. p' xvoid write_com(uchar com)+ G) N1 m! N+ r3 I$ ~5 q
{
$ o0 B9 ~. x5 {; H rs=0;
* F' @ g" n( t; q* c! e D lcden=0;
# K# Z0 `/ T/ Y. { P0=com;+ b; d9 [* C7 I) r0 R& C* f5 L
delay(5);
- H4 w. @' W- c3 j# m% I' S% y lcden=1;2 I8 Q- o S A
delay(5);" h0 b& ]3 z" F" ~+ R
lcden=0;
) r& `( J' x- K' u. k2 z* z}
3 q2 n0 o4 e% s; v1 S' |2 J0 F% n1 {8 x8 c& H4 i( L/ h
void write_date(uchar date)1 H; `, x2 _2 t9 ~/ t
{1 i, M! X0 R+ W9 y# |( }: R$ H
rs=1;6 a# C. j2 p3 u1 U3 o( U( ]3 \
lcden=0;
) B" J2 C, a H( [/ U* |# g; J" S P0=date;9 J" e1 u, m- k
delay(5);0 U5 [! z/ d# X0 [( `0 X
lcden=1;% _ Y0 g2 \# S7 z
delay(5);+ u9 A R$ X1 W ^- L
lcden=0;
. x% \9 {# ], d+ N}
" y( Z+ Q4 H6 v5 [
) ^# y* g2 n# p+ j. I2 u' Ivoid init()* j3 z% e$ z) |2 }* @ {% ^
{7 |5 w9 U5 R6 y" ~
uchar num;
4 {7 \, q, D- y' i% ` dula=0;
" V4 p# x: O. _- h+ x4 ^ wela=0;
4 X: }* l9 Y8 p6 ~ lcden=0;1 c: d2 j) J# Y9 T& @+ K; E# f
// fen=59;
- _8 o; c; w6 z% u: N// miao=53;
; L/ ~: L, I) S/ V// shi=23;6 B& Q( |: I( H( I: q5 p% x
write_com(0x38);
$ ^& _( F8 T/ Z' } write_com(0x0c);. P) T- ` y& P0 A- S0 q
write_com(0x06);& ]. x1 q* ^8 X4 {' ~- Y3 C
write_com(0x01);, N5 q4 D m4 J/ G5 K" a
write_com(0x80);- p$ p6 s1 G6 j2 L! x/ j
for(num=0;num<15;num++)4 @ J% ^) H$ Y8 U+ {- j4 @
{
- B. O4 j6 ^' `6 ^* x: b write_date(table[num]);2 x2 b) Y$ s: ?' [$ q" O
delay(5);
4 O4 H4 z% w6 x3 a5 J- d }# h' {2 A2 n) w! i! D7 T
write_com(0x80+0x40);+ N! k1 O; L6 a9 S0 d) H+ l
for(num=0;num<12;num++)
: {" h l6 c: [. W; W {
* T# |( K4 w i6 D% e write_date(table1[num]);$ c: U# l9 v0 L9 p
delay(5);
5 I: x' j4 ]8 I! ~, u& ~ }: U9 _2 k4 D( m8 m
TMOD=0x01;
; q/ C( I. t2 @" |3 G$ e3 Q TH0=(65536-50000)/256;
7 ~* H1 Y9 ]5 F! k6 J+ |3 a" D TL0=(65536-50000)%256;0 v1 x. W4 `0 t$ W+ L/ }: H, x! W
EA=1;" \! Y: D* G; B4 V1 G& G. @
ET0=1;" k- K' N$ P3 H+ P% Q5 N3 ]. B
TR0=1;" o% T1 z0 i+ D' |
}6 { g+ S' T/ M8 E) v
" X4 v0 e* K7 y' X( e0 u5 O/ M+ Hvoid write_sfm(uchar add,uchar date)& V0 z4 I l% G
{
6 J" j' f& u) R" g1 C' K* Q uchar shi,ge;
9 d3 D7 P# ]! T& z7 E shi=date/10;+ q2 t0 \4 w" U. P6 l7 U
ge=date%10;+ G0 s1 W) f1 k" y, l. z
write_com(0x80+0x40+add);# b0 U9 _+ n7 A# {5 m- Y& Z$ O
write_date(0x30+shi);
/ P" u- T: ?3 l( c write_date(0x30+ge);
/ P+ y# b ^2 |% ]$ T}( `, I5 x: q6 }% o' f' x
* N( U! T! l3 k- x: U$ Zvoid keyscan()3 d0 A; T+ ~7 p x
{
5 O E, U3 z6 e6 d8 ? rd=0;+ x; y& a" C/ D1 S6 ]
if(s1==0)
5 M& `+ b! {4 q, c {' d s1 M: A* h& `2 X
delay(5);; @9 {$ N+ H) |- [8 @
if(s1==0)5 Q7 ~# ^# H# m- R, \5 Y1 v% x
{ s1num++;
( X+ \. V% q8 Q9 R while(!s1);& u s8 Y6 s" M% H6 o
if(s1num==1)
1 t% y6 q9 s( b0 `9 `# w! @: z {) z t- v3 u* C
TR0=0;, @& a. n* s7 _
write_com(0x80+0x40+10);8 q: N$ o5 {7 {3 P t* h
write_com(0x0f);! ~3 O* R A0 Q; a2 j+ Y
}
; N0 F3 x/ \- g' n& q } j( S0 F3 o6 x" s
if(s1num==2)
% [0 X$ V. ^" \: m7 W' N7 o {& r# |% P `0 ^$ [; c, P' E
write_com(0x80+0x40+7);+ f% r; E# K" l8 j& d
}( z. B$ O m1 k6 K
if(s1num==3)
' Q1 d! @5 l$ r4 Z% @# P0 n {
_, i3 T Y! V write_com(0x80+0x40+4);
- }! L8 p! q+ s, r$ S- ~+ F0 e }& L j" p/ N* ]$ c& F/ W
if(s1num==4)1 M$ |% @, R6 {# P
{
: ~% D2 q# u/ P1 C* C9 g1 m- u s1num=0;3 P" k# v8 Q- }% C
write_com(0x0c);
! f- r& q# _$ z3 I# b# p& v TR0=1;
: B8 \5 a( s/ J9 o2 w' R }8 D1 K6 B, ^/ ~, \* ~
- U( K, ]- ~3 y$ O* u( |( H
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}; W* R8 q) Y* V* f& ^; l
if(s1num!=0)
9 Z4 ~4 M* E4 \! r {
* N3 g* J8 O- G) b if(s2==0)
# R) v" X- Z: g+ a {$ `2 j4 p8 X* b6 g
delay(5);
' I6 a+ X3 I) I; X4 @; H if(s2==0)+ ], L/ I$ c4 x( \' F6 U0 F/ e
{
5 T6 w7 i5 o- ?' E5 C while(!s2);' g$ l6 A1 C( l7 k9 ]2 Q g1 J+ X+ e
if(s1num==1), J0 a" {' p6 ], m6 u
{
6 d+ m* L9 H, c3 K- |/ Z H4 L/ U' N miao++;
+ k1 x) r; B) d if(miao==60)$ |- X a2 u q o, ~) L4 \
miao=0;4 r% _- B# d( H4 U2 R% I
write_sfm(10,miao);
4 |4 t7 k' w. U, M! h write_com(0x80+0x40+10);
0 _! Z( `; @! u t) t " r" _5 |. A4 L! q" h1 ]
. C) d' d$ c6 L }
% X: p* y2 V$ h3 u) ^ if(s1num==2)6 D/ }0 ]+ b! G/ t; M% Y9 y" Y
{
% [$ d! b: v/ e6 u# T fen++;1 q2 t- N0 P3 S. b q
if(fen==60)
. ^* E0 H6 ^9 A# l fen=0;
j0 A* S) B: W& x- F J write_sfm(7,fen);3 w$ D5 `5 S6 H+ U1 O/ J; {
write_com(0x80+0x40+7);
8 r4 Y; M' \4 c0 t* {) M }4 U& p/ D- t% _% J$ C5 R. u: k
if(s1num==3)) W0 M K# D2 j# F/ S2 @
{; h5 k1 i# E6 m4 E& s( a4 j* Q
shi++;
9 x) ?. }% H' u- k# L if(shi==24)
( i; e) K! j8 b) `- D9 R shi=0;+ h- M+ Z% u% J( J9 {/ G' p/ |
write_sfm(4,shi);- ^/ T: A# O0 B8 w5 K
write_com(0x80+0x40+4);
! |9 a: D" x2 |+ h' Q7 H4 n! U }
( {2 j( [2 d3 @4 \. ~1 F% l$ M( ?$ { }/ p& l4 H# A4 [
}' }3 l, I2 d: s- k
if(s3==0)6 \& D2 G1 n1 O) W1 y$ S
{: t& i3 l' T; \; k4 j
delay(5); y0 L, S5 u3 f" ]3 `9 x
if(s3==0)
- W6 T4 V1 e6 f* w {
: G" ?0 `2 z5 p# Q0 H$ G while(!s3);+ `( `9 d- Z# [. o8 F, ^* x/ H1 z* \
if(s1num==1)
8 n1 m, S: o A/ v {% `" V2 C; g! R2 r/ n* ~. k
/* if(miao==0)/ i0 T, Y' M7 X( z
{
1 n8 n. e" K0 E4 B9 H miao=59;
E4 g% R7 p% X; K write_sfm(10,miao);) l* t9 d4 m- a& m; V5 w
write_com(0x80+0x40+10);9 Z8 x1 v" D2 h1 d
}*/0 B6 \. t* g3 m; T% z" q9 C* j
miao--;
! G% L& T! D4 | if(miao==-1)1 n& z" ~. B1 G6 K, l- o, O) E! {1 ]
miao=59;' [/ F: M; W6 w9 I4 B, G0 O
write_sfm(10,miao);
$ J' m6 u6 \0 p8 `5 |- z8 ~* s# c5 m write_com(0x80+0x40+10);' K: Q; w0 u$ `# F) E8 Q
}
4 L9 {, ^9 p: C+ B0 ^4 E! b0 o if(s1num==2)
% k0 g O2 ]" v# h8 W$ R {
9 o! C8 A+ p8 R) g' Y fen--;
) G# J, p$ d3 z4 U! b: f if(fen==-1); Y( l& B& U* ?- l/ T
fen=59;' \0 T* F& e5 S% L9 d! f4 f0 @
write_sfm(7,fen);
* s$ s3 [2 C" t* K+ U1 `' _/ M write_com(0x80+0x40+7);$ v2 [1 l1 s a+ h/ v0 U: o0 e2 M0 j, [
}
3 E+ G2 b' k% [6 l if(s1num==3)5 l/ _5 t5 z% \: e6 O
{
) L- J% ?3 Z X+ u' N shi--;
; q+ J1 m0 V m+ _ h/ ?" T if(shi==-1)
3 S# J; h x4 d3 g3 P% I8 N: [! M shi=23;8 \ ~! E' ~5 O4 M1 c
write_sfm(4,shi);& f* j6 X0 @% n" b# w
write_com(0x80+0x40+4);
' R% d' J$ m% s$ ~* n }( X+ S: h0 @8 ?: Z$ Y
}
! s, A4 F" W" p# Y }) y; `# Y5 n) R
}
6 l7 t; L# M7 F4 ]}
" J7 t$ J0 x5 Q" {9 Yvoid main()8 O# h* n2 C. q7 r
{
! X n. d: G- A \2 J$ L init();7 X/ D- d) Q& W3 q: ^
while(1)
) |2 i' \) ^% |' Z {
, P9 U1 I9 d! y. W keyscan();8 b4 W4 I; {0 n, o
* r5 o' ]- R4 {" _7 l
}) A5 x' j. y. v" a$ u
// while(1);4 L9 h. r5 N- o- s# v
}
2 \9 w! M4 n9 F$ t
4 H8 z [& a$ Zvoid timer0() interrupt 19 u3 S0 Z2 S5 P$ v U$ N
{
9 m% E+ N3 G6 k' s E9 ]* p TH0=(65536-50000)/256;. w. q8 ]3 \+ z; m
TL0=(65536-50000)%256;
5 t* f7 n4 G r; _& f count++;' Q" f; b4 n+ o0 S# p4 W1 F9 m
if(count==18)! f0 l! w2 C7 t. w* H
{
3 G7 l, X l4 J9 Q/ B( ^3 K count=0;
7 G( ^6 [8 D% w# v/ @8 O# J8 y miao++;& q- [6 B% L6 `
if(miao==60)
* {; P) {% _, V' b3 g {1 l6 j; p! S- ]) D; r
miao=0;
( W. M5 s' w* c2 _8 G fen++;$ p& }' s) l: u j
if(fen==60)5 @& J7 m9 U/ Q0 F" h+ N: l* D8 T
{2 `* T" y/ Y9 v1 [
fen=0;! w' G! q; }, s8 i
shi++;
% R& N3 p1 x Z if(shi==24)
7 n" B2 i. K0 g. X% [ {7 L& o* S# R {: h, e! P
shi=0;
5 ]; e1 _$ ?8 p }; T$ X- }" v/ ]1 @9 \) e* ^
write_sfm(4,shi);) Q* v9 `6 B4 G( F/ M
}! M% \; f! i, U' p# B, [. p
write_sfm(7,fen);
, ]( X6 D: D0 G& J, v }. o. \9 y' M$ J3 q1 _% U3 N: j1 _
write_sfm(10,miao);0 T) Y- U% E2 O* j6 |
9 H/ Y ~' ^: [0 |
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发表于 2019-1-18 13:48
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