#ifndef _LCD_H_
N Pq2C8: #define _LCD_H_
!}m 8]& Gwk@X/q #ifndef uchar
x6P^IkL: #define uchar unsigned char
#f@53Pxb #endif
9{&x-ugM ~$ Yuxo #ifndef uint
%tjEVQa #define uint unsigned int
y!Eh /KD #endif
[)KfRk?};2 UcIR0BYa #include<reg51.h>
S!bvU2d #define LCD_Datapin P0
!1]xKNp ] 8 F 1ga15 sbit LCD_RS = P2^6;
3 g!h4?^ sbit LCD_RW = P2^5;
\8H"l cj: sbit LCD_EN = P2^7;
;!Mg,jlQ void DelayMs(uint x);
'c]&{-w<i uchar LCD_Busy();
iE{ SqX void LCD_Write(uchar date,bit j);
EkPSG&6RZ void LCDInit();
iWsIc\!+, void LCD_Display_byte(uchar x,uchar y,uchar date );
IEj`:]d void LCD_Display_String(uchar x,uchar y,uchar table[]);
B! lw>rUMQ 6Vo}Uaq4 zj}efv< e S|i
//I%_ !o7. L%S Il[WXt<S #include<LCD.h>
7hQ l,v< 5 #include<intrins.h>
gne c# j #include<string.h>
r,\(Y@I A Ud}) UR void DelayMs(uint x) //毫秒的延时函数
C8- q<t#SF {
pgarGaeq uint t;
^8*.r+7p while(x--)
P^r8JhDJ {
36z{TWF for(t=0;t<120;t++);
LNW p$" SJmri]4K }
A1@a:P= }
4O'ho0w7 /*******
e!y t<[p h U b Xz`i 判断LCD是否忙碌状态要求
[&&4lKC}u 1.使用读时序
:JmNy < 2.读出D7的状态是0还是1，0表示不忙 ，1表示忙碌中
[VH t#JuN, ********/
QS_xOQ ' uchar LCD_Busy() //判断LCD是否忙碌状态
*HUqW}_r {
]cK@nq) uchar LCD_Status;
)XWL'':bF LCD_RS = 0;
Smo'& x LCD_RW = 1;
Yp$lc^)c> LCD_EN = 1;
(G
Y`O DelayMs(1);
0&|-wduR= LCD_Status = (P0&0x80); //
)ALcmC?!# LCD_EN = 0 ;
92R{V%)G return LCD_Status;
~V5jjx* VEk|l X;2 }
n%}0hVu 3zkq'lZ //写指令数据程序 j为0时写命令 j为1写数据
OmW|\d PU void LCD_Write(uchar date,bit j)
{Ffr l(* {
uQ}kq7gd while(LCD_Busy());
4 3YusUv LCD_RW = 0;
fQ@["b LCD_RS = j;
DBR TZES LCD_Datapin = date;
+Aq}BjD# LCD_EN = 1;
; NEHbLH#F LCD_EN = 0;
O-RiDYej W# $rC<Jh] }
;C3]( .*+ &>m7 //LCD初始化
&F)l vtt| void LCDInit()
GauIe 0qV {
;)*Drk*t, DelayMs(5);
`%VrT` LCD_Write(0x38,0);
.nnAI@7E DelayMs(5);
i=+ "[ h^ LCD_Write(0x38,0);
%NuS!v> LCD_Write(0x08,0);
d] {^ LCD_Write(0x01,0);
Xg"=,j2 LCD_Write(0x06,0);
[>fE{ ~Y LCD_Write(0x0c,0);
5u8 YHv }
|1EM )zh6 n#iL[
&/Aw // 显示单个字符 x为0写在第一行 x为1写在第二行 y数据显示的地址 Z写入的数据
6w' ^,V void LCD_Display_byte(uchar x,uchar y,uchar date )
u+N[Cgh {
gC?k6)p$N if(x==0)
D n^RZLRhy {
MCvjdc3: LCD_Write(0x80+y,0);//写显示地址
KQh '5o & }
3 ;&N3:,X else
6<2 7}S {
y37@4p^@9 LCD_Write(0xc0+y,0); //写显示地址
2Tp.S3 }
0 @>3f R $?7}4u, LCD_Write(date,1);//写数据
FXIQS ' }
XWk^$ " yZ K j>P1 //写字符串
W n|w~{d{ void LCD_Display_String(uchar x,uchar y,uchar table[])
(%".=x- {
tH$Z_( 5
uchar t;//记录table字符串的长度
N( Cfv 3{ if(x==0)
,+f '%)s_x {
|<OZa;c+ LCD_Write(0x80+y,0);//写显示地址
zg|] Ic }
y B&s2J else
V7.EDE2A3 {
Pr" 2d\ LCD_Write(0xc0+y,0); //写显示地址
jGId) f!) }
'w DNP_ v~j21` t= strlen(table);
i-$]Tg if(t<=16)
k#U? Xs> {
"gYn$4|R7* for(t=0;t<17;t++)
z@dHXj ) {
uSH.c> LCD_Write(table[t],1);
4]B(2FR [8 }
'z@(,5 }
AFy f7^^k }
#49,7OBU PXWBc\ sdrALl;w| YajUdpJi ?
3Td>x d(<[$ 3. #include<reg51.h>
[+UF]m%W #include<LCD.h>
F t'?43J uchar table[]={"qq:1111111111"};
*1|&uE&_R void main()
d=`hFwD9 {
;BsyN[bF w(0's' LCDInit();
]F P(,:Yw LCD_Display_byte(0,1,'B');
R ]H/ Jv\' LCD_Display_String(1,2,table);
,iV|^]X3$/ r 1f## while(1);
NvY%sx, }
qq
G24**9v p{gJVP#l'Z #endif请大佬们帮我看看代码需要怎么修改
63 F@F t q &#f #Ou :@mb.' %*! [ 此帖被醴郓龙在2018-01-06 16:50重新编辑 ]
