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那这个是不是就可以点亮屏了???
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6 N, O, r' A \#include <reg51.h>
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#define uchar unsigned char1 Y( p3 H8 _6 p d# d8 p+ A
#define LCMdata P0
9 f( H3 F1 I/ }+ D3 y2 I+ i3 }#define Busy 0x80
; A1 t3 z8 z& W1 c( D) A1 w+ z
' J6 w( E8 O7 o% h8 |- }sbit RS=P1^1;" C" \, _+ ]" u* z8 d* L" E! S
sbit RW=P3^6;4 o+ P- h+ _" g: Q& }1 r; d
sbit E=P3^7;
2 m$ Z3 x- c5 A2 i3 s) Tsbit REST=P2^7;" ?+ S Z( n! `, i9 P# U, l
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void Display_String (uchar line,uchar *string);
8 w; `3 @ ~, C' t. |( n; Yvoid Wr_Data (uchar wrdata);) G- t( r' M6 y; A! \
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# Y3 a0 d3 @, Y- f% Vvoid Wr_Command (uchar wrcommand ,busyc);
5 Q- {4 t! a! Y4 v% uvoid RDbf(void);' h4 ^4 v( z1 X4 v8 y$ H4 O# Y
void Lcm_Init(void);
4 ~% E/ G3 D! L1 svoid Delay5Ms(void);0 e% A& o/ _- n) U6 [
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: a; T+ J$ c+ S( c0 Z' y( D7 Xuchar code string_1[]={"Have Fun"} ;
$ J9 b9 ^! ?: N% [/ O5 K5 D3 Rvoid main(void)
/ N" [' M3 A; G5 e& W9 d x{
! A' P# F9 ~3 l3 ^ Lcm_Init();
4 X. d/ N9 W8 W0 U Display_String(1,string_1);
* i6 e7 h9 w3 c5 q! A/ l% U6 I while(1);9 @5 e. D. K4 o
}
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void Display_String(uchar line, uchar *string)1 @: g* f( q- Q! [9 f- p$ y7 q
{
+ o% L; a6 i2 t uchar addr,i;
- u8 \- u/ B- O if (line==1)% G2 C; \. d: I# G+ {
addr=0x80;- J- }9 M- `: _3 T
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Wr_Command(addr,1);
1 Y! z3 M) ]2 ^$ ~# n for (i=0;i<16;i++)
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Wr_Data(*string++);4 F% d" ^8 _$ k4 L
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void Wr_Data(uchar wrdata)
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1 G- Z0 R! N: ]0 w, \ RDbf();
* ]. [7 U2 D1 b+ t, y RS=1;
7 Y) T2 R6 e( Y, V, P: | RW=0;% _ G: E5 a7 f$ @8 D; [
E=1;0 [& w7 y9 o9 ?" Y, i7 k" P- F- A
LCMdata=wrdata;. T5 q5 Y6 S9 ^3 g5 W
E=0;
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void Wr_Command(uchar wrcommand,busyc)
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if (busyc)
7 [. {; V5 ]0 }" d8 K RDbf();
' E% ~4 S, t P RS=0;: c: u, l: T1 n) T
RW=0;
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LCMdata=wrcommand;5 k2 P# V( W# g4 ]6 ?0 r! k
E=0;
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, c" R8 I, E1 `0 Cvoid RDbf(void)
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/ O2 ?. c0 ~$ q* K while(1)2 `' {: w* p- d0 C( Z7 m
{
+ ]: C0 L5 x6 d' x) G! a RS=0;
: v7 Q4 F, ~0 t; L+ T9 r( T4 h RW=1;
+ l- }) a5 ~( Q E=0;8 M0 z8 ]$ T( @# m
LCMdata=0xFF;$ t0 k' O0 X( J, u/ y' u
E=1;& v6 T$ G- M1 k
if ((LCMdata&Busy)==0)
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}
" d0 x7 \, P1 ]3 r" S7 Rvoid Lcm_Init(void)5 y+ j6 r p" i" N+ {
{
* k! I+ D u7 x Delay5Ms();" i9 @9 B' q+ j/ t6 P
REST=1;
: x3 X3 Q1 x: ` REST=0;6 j+ i+ I9 l$ }! G
REST=1;# Y: y( @5 p2 i9 H& Y
Wr_Command(0x30,0);
6 H2 u3 b) z- ]* H) k# s2 d Delay5Ms();8 X. U' S5 X0 ^( {6 y
Wr_Command(0x30,0);$ C. v( D7 a a/ q! l
Delau5Ms();# W, M' j& k) |3 s7 p2 k/ ]
Wr_Command(0x0C,1);
' Y/ c0 N" i7 w `. Y: m Delau5Ms();
. o5 `/ o/ z, V( f! t$ z4 V Wr_Command(0x01,1);
4 P# M! V# f7 l9 l% o* _& @ Delau5Ms();) {" n* L7 Z+ Y" Y' O- I) ^
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Delau5Ms();
2 ]8 g: t% Y3 n* {$ P c Wr_Command(0x06,1);$ F5 t7 J [) \
Delau5Ms();
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% r. ^ n1 O4 [void Delay5Ms(void)
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unsigned int TempCyc=5552;
T5 g" T1 U/ p# m5 d while (TempCyc--);* r6 [$ t0 y! W9 n1 k- r
} |
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