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lcd12864液晶驱动 画点 画线 写入7*5像素数字 汉字
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* Q& y" o# [* R5 W; `* Z, ~主程序:
+ g7 _$ X: |- P- a! ~% {#include <reg52.h>
" v( l1 ]- r+ C#include <math.h>) r5 N4 {% i1 v# I1 n% ~# D/ b
#include <INTRINS.H>1 Y6 X6 v# H1 X4 Z( m m4 h5 }5 r
, {% e3 }* O5 I1 p
# L9 l- i- k( p% ]6 C+ y9 [#define uchar unsigned char- |8 m2 ?1 e- l! p; p. l3 l! |
#define uint unsigned int3 n+ }) z% Y0 z F% v9 M- c
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$ [& ?) {( {) T3 ?0 k- X/ Z* u
#define DataPort P0
: n8 t L' T9 {% O3 O#define DELAYMS 809 b w( k. M- s: A7 e" }
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2 J; }3 ^9 @9 {sbit RS_Port = P1^0;
: A) V- M$ { b4 ^2 S$ r) M+ Q: Ysbit RW_Port = P1^1;1 V- ^, T/ ^8 ^/ ^: T
sbit E_Port = P2^5;& @- o3 J% p3 ? v2 _" N
sbit PSB_Port = P1^2;
2 F( g# p' c( m8 u6 gsbit RST_Port = P1^4;
! l8 |# S# g8 d" |9 {$ w4 L7 a" T7 [: ]6 k. ?; d* n; j
5 r; L. W+ B! l# S' I) Zxchar CorpInf[]=
. T6 ?; |, Z# z- e{
: m4 @( M8 J: V "自定义的汉字数组"
. K# o5 E% @" _) k0 n "自定义的汉字数组"" r* |8 S8 Y/ {# }! K
"自定义的汉字数组"
2 M% j* A3 c! d6 ?& J "自定义的汉字数组"" x1 k6 f- n$ U/ X
};$ k1 {6 _8 j/ X0 {( E0 X
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//用来显示数字0-9,每个数字7行*5列,将一竖排储存为一个字节,最高位为0
4 E3 U8 R8 Y: \unsigned char xdata ucxFigure[10][5]=: i9 ^, {/ `: N' ]
{5 N4 G4 V. G) s! s: R1 {9 [1 ~+ R
{0x3E,0x51,0x49,0x45,0x3E},//0
# N! h4 Z) @4 D5 h7 f0 o+ d {0x00,0x42,0x7F,0x40,0x00},//1! C% X, I' I( x
{0x42,0x61,0x51,0x49,0x46},//2, Q2 q4 f) D: F' v
{0x21,0x41,0x45,0x2B,0x31},//3- m8 Y l, [1 `( g2 B
{0x18,0x14,0x12,0x7F,0x10},//4
5 }$ I D8 i6 g9 [/ m/ S0 g/ Z {0x27,0x45,0x45,0x45,0x39},//5
( Q+ i& M+ ]4 F [ {0x3C,0x4A,0x49,0x49,0x30},//65 ~* E" V' w' ^
{0x01,0x71,0x09,0x05,0x03},//73 Z' v2 H2 |, j k5 l& Q; r
{0x36,0x49,0x49,0x49,0x36},//8
- N" g Z {; L M# {6 f' B {0x06,0x49,0x49,0x29,0x1E},//93 c$ ~. Y* l2 t' G
};8 a9 u: M, g1 }4 W9 s5 U! q0 N
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/*******************************************************+ x' Q+ o! e# E2 L/ l
* 函 数 名:void delay(uchar uc_dly)
# u; ]. l$ d, y6 Q8 p" R* 功能描述:短延时函数* @" j. }( E2 \) _0 k
* 函数说明:用于弥补MPU和单片机在执行时序上的差异
- |. m, V+ T& M+ c: A% @2 u2 n* 输入参数 1)uchar ui_dly4 n( h$ B& v* c" n! ~3 A" d
* 返 回 值:无& L& N( Z; V9 N) E9 ~3 V
*******************************************************/7 S3 ?! f( x9 b' e x
#pragma disable //在函数前声明,只对一个函数有效,该函数在调用过程中将不可被中断。
' T) ^; {' i+ |+ Avoid delay(uint ui_dly)! L1 I* a7 [" o! l/ ~4 ?& p
{& K/ M3 \& x& U( u0 G# q
while (ui_dly--);
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7 x. E/ T v6 n) K% q& l- }/*******************************************************2 `% f" C# e1 Y, T
* 函 数 名:void delays()8 i! N4 N8 A( L, t4 V# b7 N3 K$ a
* 功能描述:长延时函数/ ?! I z0 v8 K' m
* 函数说明:测试时两画面之间的延时% m1 G* r1 T; e1 j: a
* 输入参数:无6 u9 o/ j d6 b% }1 ]; S, E- W
* 返 回 值:无$ D% ^8 `# O: q
*******************************************************/
- ?! l4 I* \" u. W9 ? [#pragma disable, U! j4 Y0 a. C9 R1 c3 T# j0 {
void delays(): O& U0 _( Y ?7 J
{1 t6 k; a* J w! T1 ]
uchar uc_dly,uc_dly1,uc_dly2;6 d( e. s5 I# z: @
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6 Y0 g# ?6 C# Y% [# R$ e, k uc_dly =DELAYMS;
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while (uc_dly --)$ Y" ]+ p+ w! e* X* K$ f
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for (uc_dly1=0;uc_dly1<50;uc_dly1++)
% U/ e' I9 g' X6 F6 ~1 g9 ] for (uc_dly2=0;uc_dly2<50;uc_dly2++);
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}) n& f% j4 S. [7 X' y3 @
/*******************************************************
" W3 Q9 g6 c' }- s# b& {* y( l* 函 数 名:void rdbf(void)- A1 l/ c) C+ [5 U
* 功能描述:读忙状态& ]% O2 W O; }7 F! F
* 函数说明:读忙状态
% e4 V% S; H* Y I+ T3 p, b6 e$ H* 输入参数:无$ i' x; c/ j9 K! m$ H$ S3 r1 o( v, V
* 返 回 值:无. x5 V6 |, D8 Z! F- _# g
*******************************************************/$ e( L1 I v6 d6 e% ]
void rdbf(void) ) N. L4 @, R6 ~" {/ t' Y; G
{
0 H1 \- {, X5 G unsigned int nTimeOut = 0 ;
) R& w2 ]: F/ C: ? RS_Port=0;' z# A2 ^. M p4 `5 s8 d' {2 k/ y
RW_Port=1;
) {+ ^5 |9 f3 c) r" A+ ~. X% k E_Port=0;
1 ~9 D. D# ]4 q2 J k- q+ j E_Port=1;
+ h# Y6 Q) g. u while( ( DataPort & 0x80 ) && ( ++nTimeOut != 0 ) ) ;
4 v6 w+ J: t; {; o# v+ x2 w( N" \ E_Port=0;- n: @5 X1 N1 W7 b: h- B# d+ `( J
RS_Port=0;
/ b# L9 R G# P- K2 G RW_Port=1;
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/*******************************************************
/ ?, ?$ ]! S7 ^3 t: U/ k9 i0 T* 函 数 名:void wr_cmd(uchar cmd)* h: m, M/ `, n4 w: ~; R: W
* 功能描述:写指令% w' ?+ g& f# J" ^$ D' v; M
* 函数说明:往12864b写指令& a- f% j6 p+ h2 t
* 输入参数:uchar cmd9 a" m- w' m, s
* 返 回 值:无* p3 M9 V+ ?6 Z2 y0 P
*******************************************************// h) C0 ], h( Z" y0 j% g5 f. L
#pragma disable( }1 P; V/ [" K* L$ {
void wr_cmd(uchar cmd)# F; V$ h( ]3 }0 l' m; t, }
{( ?; w' e! o$ g( }0 e; f o. n& H
rdbf();) U/ x9 X6 v* s3 h+ x- ^( @7 r
RS_Port=0;- {3 c8 w; o) k4 ~
RW_Port=0;# W0 a& _' e o( @6 p
E_Port=1;
% S- }) K* ?' r) `( H DataPort=cmd;3 g* K7 q4 j, p) M$ F# B
E_Port=0;2 x+ K+ o/ e6 {. U9 k" c+ O
}
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/*******************************************************% q' {9 `; u0 T. c: m, t
* 函 数 名:void wr_dat(uchar dat)
4 E+ b5 e I* `0 q) c, w* 功能描述:写数据
) X1 o y+ W. [0 f' [/ x. f* 函数说明:往12864b写数据
/ Z* a* g! M2 L* 输入参数:uchar dat
% b" w- u6 U: F2 n* 返 回 值:无
x( {, e3 e4 G7 ~9 C*******************************************************/1 D1 r3 N6 q& z) V" d8 a2 F7 I
#pragma disable
" v- H6 \6 x( k$ L8 e$ ?void wr_dat(uchar dat)4 B9 X/ |( f/ ^/ D r
{ , k; C9 I% G6 u4 U
rdbf();# ]! M' |& h, a* e3 i
RS_Port=1;
) N# y# C9 k2 J: }# F; }1 g% \ RW_Port=0;
) G6 L1 L% a2 \6 W4 P! L E_Port=1;
1 P- |4 c/ k" y5 W! ?& v9 G) F& o DataPort=dat;
% t1 n& P4 h* b3 F d E_Port=0;
" }6 H( }8 h5 P7 ?. M}
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/*******************************************************! f. G- m& K- K% n3 `
* 函 数 名:unsigned char rd_dat( void )
' N3 u- V% u2 d* 功能描述:读数据0 ?; l9 J, X o+ T1 s
* 函数说明:从12864b读数据
4 J; {% E# a. B* 输入参数:无3 s0 `+ s1 S- r) E6 o
* 返 回 值:unsigned char byReturnValue2 l' ~/ Q) f v0 H A6 G
*******************************************************/
( \" H3 q$ k4 B( [, g0 j#pragma disable# z% t1 |6 Y" N" H" j( m
unsigned char rd_dat( void )
% r$ w; ]- N+ U) F1 Q{
; g9 v x% l- I: N+ w' p unsigned char byReturnValue ;; j7 }4 j7 x G2 g- b2 S5 [
DataPort = 0xff ;8 U- L" n2 d! @2 ]; F
rdbf();- _# K. Y( Z5 F6 t2 l
RS_Port=1;
: ]2 |/ u6 @8 a# Q7 A. K, j4 x RW_Port=1;+ f8 d" o) D/ N; T- m" B
E_Port=0;
4 o9 H) p8 b; _$ [. P E_Port=1;4 g. D: l( s8 D# X
byReturnValue = DataPort ;
7 ^" W* f% D5 _! y E_Port=0;
" j1 r$ M/ b7 n+ C7 } return byReturnValue ;
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/*******************************************************7 _( t! n$ Y2 E; U1 f% P2 n
* 函 数 名:void DrawPoint( unsigned char X, unsigned char Y, unsigned char Color )+ g" b# W% o% `$ _
* 功能描述:画点
( q, P: R. U4 Z+ ?4 m* 函数说明:在制定位置画一个像素的点& O b+ B% C9 }4 U
* 输入参数:unsigned char X, unsigned char Y, unsigned char Color3 A# Y b$ k0 h3 u: D+ ?
* X为列,Y为行,COLOR为不显示、显示或者翻转(0、1、2)# V$ C3 f8 x; ~, I
* 返 回 值:无7 c7 f8 U/ U1 n$ P+ f1 ?0 i) `) S
*******************************************************/& p# ~- c0 f8 I: Y
void DrawPoint( unsigned char X, unsigned char Y, unsigned char Color )
' N% V0 m9 n0 A7 `' D. l{
5 y- i4 l; B# j unsigned char Row , Tier , Tier_bit ;
& K/ a* O* j, k% N unsigned char ReadOldH, ReadOldL ;
5 q8 C+ K' | D$ l# r Tier = X >> 4 ; ) L& S& l& S ?+ i( S+ a$ {
Tier_bit = X & 0x0f ;
/ Z. h1 k3 v) Z5 }/ Z T1 k if( Y < 32 )
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Row = Y ;: w1 Q# D' ^1 q0 I+ O& z( o
}
3 E% o: S4 ~0 A) e( A else
+ i" c& ` e. I7 \( Q* _) Q7 A {
, ~; v' v! R& l& i4 ?6 |6 o7 K Row = Y - 32 ;2 w7 L" W/ b' Z
Tier += 8 ;
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wr_cmd(Row + 0x80); //写入行坐标
- _% `! ^+ m9 z: ^) T7 a( ` wr_cmd(Tier + 0x80); //写入列坐标
& r$ G/ g- c4 F" G rd_dat();3 }+ _( ^" I0 C$ _
ReadOldH = rd_dat() ; //读出原始数据
! g9 v4 ~, T! C. p5 ~1 p' y9 B" E ReadOldL = rd_dat() ; 7 f- X9 d! B6 T
wr_cmd(Row + 0x80);% S( U4 a6 \" ^+ O! W
wr_cmd(Tier + 0x80);5 g/ [3 i$ G! G. C2 Q2 v7 S$ M
if( Tier_bit < 8 )
! R/ {, ^8 G! ?& P {, P- f: H2 C2 z; T6 W+ G6 |" _
switch( Color)
6 \7 I' E1 S8 k* L {
4 m( a" l! ?) B0 ^ case 0 : ReadOldH &=( ~( 0x01 << ( 7 - Tier_bit ))) ; break ; //不显示
+ }6 P( h8 ~* C5 W case 1 : ReadOldH |= ( 0x01 << ( 7 - Tier_bit )) ; break ; //显示
: I' \% \( b: [- i case 2 : ReadOldH ^= ( 0x01 << ( 7 - Tier_bit )) ; break ; //翻转* W5 _; e6 n2 e( O6 ~5 b
default : break ; - D" T7 a; E+ z) U) F% n @* u
}
' `7 e. X ^/ c# B' C* M wr_dat(ReadOldH); //写入新数据0 x: r/ U1 d1 L" y0 ~
wr_dat(ReadOldL);8 v& ]( Z, O. @/ @- f; Y+ I
}
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switch(Color)
, T6 H l% @ H7 m1 C {
2 A/ O& O- \8 s case 0 : ReadOldL &= (~( 0x01 << ( 15 - Tier_bit ))) ; break ;8 O/ S! K# W$ N7 W! c
case 1 : ReadOldL |= ( 0x01 << ( 15 - Tier_bit )) ; break ;' T! p% h5 @) P: b
case 2 : ReadOldL ^= ( 0x01 << ( 15 - Tier_bit )) ; break ;
) M" G( _, ~# p- L default : break ;
0 [( H; M2 ?8 D% ^% f; x }
$ E. w4 Q4 M- ?. l wr_dat(ReadOldH);* G3 e& w0 D1 V
wr_dat(ReadOldL);! K' v2 N& j" A5 l1 l$ d( J
}) L1 }+ A: V$ v' Z0 i3 }$ _$ z
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( l/ S3 V! q$ p9 B4 @
- ~. u9 ]. P* ~% ]- P/*******************************************************9 j$ ]" y: n( `: _
* 函 数 名:void DrawFigure( unsigned char X, unsigned char Y, unsigned char Figure )
. c& P0 P0 n* h2 X) u. e" ?* s* 功能描述:在制定位置画数字,7*5个像素点
# w7 D5 H$ M. ]& Y* 函数说明:在制定位置画数字! R2 J( [' |7 }" Y) A# L
* 输入参数:unsigned char X, unsigned char Y, unsigned char Color
& D6 o# T6 z& F) X* X为列,Y为行,Figure为待显示的数字2 y7 U7 z5 W* U4 x' m
* 返 回 值:无
- ?/ S; W8 h7 x0 N8 R*******************************************************/
' G7 g1 f9 Y2 n" L6 _' o) ~1 yvoid DrawFigure( unsigned char X, unsigned char Y, unsigned char Figure )
* b& Q" T: U. ?5 I, r{
7 {+ |( i5 d) Q4 r. W unsigned char i=0,j=0;, G S; k. t% L2 S
for(j=0;j<5;j++)5 J, w6 ]8 O3 S( y2 F
{
- n: N+ j- @. U& W for(i=0;i<7;i++)
) o& m0 Y# c2 n1 P {
9 k+ r( i( b; Q3 U4 W3 c DrawPoint(X+i,Y-j,(ucxFigure[Figure][j]>>i)&0x01);0 G1 b; z$ C3 C. ]3 X) W/ ]
}( g0 @, E% k7 v+ h
}
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/*******************************************************! V/ {7 l' ?: u1 _! z
* 函 数 名:void DrawLineX( unsigned char X0, unsigned char X1, unsigned char Y, unsigned char Color )- r+ F& P5 l6 a \/ _" `
* 功能描述:画一条水平线& k- E4 @, N0 }: {
* 函数说明:在制定位置画一条水平线
; x1 [' h- F7 J4 B/ g* k* 输入参数:unsigned char X0, unsigned char X1, unsigned char Y, unsigned char Color& {9 k$ B- O' U8 O- R, \& P& R
* X0列的起始位置,X1列的终止位置,Y行位置,COLOR
$ G0 \7 O$ \8 i7 W* 返 回 值:无: b0 c% i' Z5 ~" _3 ^5 a
*******************************************************/8 q. a( ^' J* `
void DrawLineX( unsigned char X0, unsigned char X1, unsigned char Y, unsigned char Color )
' G9 n2 L( D: D! K- m$ T{ unsigned char Temp ;
4 f$ Q' Y1 ` u$ U( B8 L if( X0 > X1 )$ H$ M. \# H( w, G
{7 }0 e% _9 r5 X' g& J8 O
Temp = X1 ;
: ?4 B$ F6 A) ?3 M) d" ~ X1 = X0 ;5 {: w: a( a; h6 v& m
X0 = Temp ;
" C+ ?( Z$ G6 R6 @ N9 L. o }& K# @9 K0 v! X8 |4 s+ O E
for( ; X0 <= X1 ; X0++ )
* S5 r L' i3 r T4 a DrawPoint( X0, Y, Color ) ;
# g: H# Z7 ?& c6 Z9 D}: m5 {6 a7 ]3 ]) b8 V% W
# b7 y1 }/ j3 r4 K6 z, \- G
' k: [$ r3 O, V8 M /*******************************************************
$ B2 `' J7 l1 E8 r- j* L' y* 函 数 名:void DrawLineY( unsigned char X, unsigned char Y0, unsigned char Y1, unsigned char Color )0 ?0 U0 B' {% @/ l
* 功能描述:画一条垂直线* Z o6 l W% ^7 H5 O4 n
* 函数说明:在制定位置画一条垂直线
i( e h. Y' \% n& l9 p* 输入参数:unsigned char X, unsigned char Y0, unsigned char Y1, unsigned char Color
$ y9 S/ x' |- w# V. R, `% g* X列位置,Y0行的起始位置,Y1行的终止位置,COLOR/ I* e5 X" L/ b$ Y. V8 |: q1 R
* 返 回 值:无/ L, n3 x* u' G
*******************************************************/ j e4 A& y( N9 j
void DrawLineY( unsigned char X, unsigned char Y0, unsigned char Y1, unsigned char Color )
0 n- j* O6 j' a( i: B3 o+ f3 M" q2 s{7 x/ B" T* A4 J5 ?
unsigned char Temp ;
. @4 G( w9 Q: H: L8 r% O' {% v if( Y0 > Y1 )$ d2 y! A' v* `
{/ w, |* m0 l- c" ], l8 _9 \0 Z
Temp = Y1 ;
! ]# s2 r1 Q f7 R Y1 = Y0 ;0 g3 Y# N6 r+ u1 {
Y0 = Temp ;2 J8 X5 ~, Q, Y
}
* h9 a' f% [! W* c! I- P0 o for(; Y0 <= Y1 ; Y0++)
n% g) x! C6 u+ r# ?1 } DrawPoint( X, Y0, Color);, @, k) x! s* r w
}3 L1 \1 n" d0 `# W0 R/ M- s' u
7 e3 J5 p& ]/ F; V2 y- z! s( H" x4 `) Z$ K. P: ]% O5 p
/*******************************************************7 ^8 M5 J/ _# N, R" z# A1 N
* 函 数 名:void DrawLine( unsigned char StartX, unsigned char StartY, unsigned char EndX, unsigned char EndY, unsigned char Color )& c) g' i! [% P0 o
* 功能描述:画一条任意的线2 @- ]! g; d7 o$ _
* 函数说明:在起点,终点之间画一条直线
1 P' l/ d, F0 h; f/ ], }2 L* 输入参数:unsigned char StartX, unsigned char StartY, unsigned char EndX, unsigned char EndY, unsigned char Color
6 Z( r4 ~. ?* G; ^# h7 H* |* 返 回 值:无
9 c! S3 l4 W4 j, K5 D+ D# x*******************************************************/3 h5 v5 {' B: [0 Y' W: I7 O
void DrawLine( unsigned char StartX, unsigned char StartY, unsigned char EndX, unsigned char EndY, unsigned char Color )* o. K% Y6 X' P" K
{
& O$ \' u' _4 K" r- \+ q, Y& S int t, distance; /*根据屏幕大小改变变量类型(如改为int型)*/
( s3 c. K6 T1 d int x = 0 , y = 0 , delta_x, delta_y ;
8 [7 u; ?' e# m4 N char incx, incy ;
+ j/ h4 C+ c! u$ `' {1 S; G t: { delta_x = EndX - StartX ;
" a6 \5 G- o: ^1 T/ I' X I: `/ d delta_y = EndY - StartY ;9 c2 {0 U) W8 X
if( delta_x > 0 )+ B4 s2 K2 Z" s7 K" {
{
! _5 T' h- |1 z. o" ?& k ` incx = 1;! w9 A8 p+ \8 O/ v0 B- Y8 h( ~
}
7 d- W- C! z) ?' r% Z2 k else if( delta_x == 0 )
6 h' Y' x V y {
, X" B% g; r4 D" z DrawLineY( StartX, StartY, EndY, Color ) ;
4 b* C. @) z9 h return ;8 H" {% e+ Z( {' R8 r1 h3 d
}5 v5 @. r- F. U# ?
else, ], |9 m/ S! e/ V/ M
{
; K: Y- ^( v7 y0 k incx = -1 ;
, V# E8 N* ?1 o6 B) h, m }# {) q( n0 E0 E5 W9 Q# Y0 N
if( delta_y > 0 )
( }: B. ?" ]: l) R ~ {
) d( ^6 O& H: r1 u, _4 L |1 ^ incy = 1 ;6 G% o. _: J# k Y: w
}% B6 J% n( q4 n5 c, [
else if(delta_y == 0 )6 T+ \- S1 h' {+ R7 p
{: T! E! y# h; c/ M q- E
DrawLineX( StartX, EndX, StartY, Color ) ;
. f& r0 e% `4 W ]6 c return ;
, `, v# b3 B& o; i }
) V% n1 f. r# }' z else7 a# e8 V8 O: o+ [" B7 U3 G
{' n* q ^4 e& ~- a# D8 T$ {
incy = -1 ;
! B) @8 j# `5 T, n' b }+ y( y, V; m4 E% {" ?
delta_x = abs( delta_x );
# A2 e0 J3 x3 H3 z delta_y = abs( delta_y );
- _/ p X+ g F if( delta_x > delta_y )' f- H& a. J9 e5 G% m3 e+ O
{- I4 F. q: g2 a
distance = delta_x ;
5 e6 L4 k& U3 Q0 E7 B }. M: A2 o& b3 f& V0 N* A5 e4 D, E* a
else9 ~" L& z) {. G. V6 ^4 F! J9 Z
{8 T( h# d3 Z# \# }0 z
distance = delta_y ;
6 A6 d# b5 M/ m: R {% L }
7 o, }* }/ _; B- f DrawPoint( StartX, StartY, Color ) ;
! s! C, ]! E+ ~& S, I% g2 G /* Draw Line*/
5 {' Z7 _ g b0 z" C3 i for( t = 0 ; t <= distance+1 ; t++ )
( \. X1 b2 P( ~/ ? {
; J7 \: p! |# G; r; J DrawPoint( StartX, StartY, Color ) ;
r% p/ U: Z3 j8 W% f ? x += delta_x ;
& `2 M1 } l7 I- S4 D9 g: ^! | y += delta_y ;
. U1 s1 D" Y6 ? w: R if( x > distance )4 b- S0 k: |, |# O
{
. z1 ^7 H0 v" I0 V0 x! |9 v' ?4 c x -= distance ;
( k. X, w' a- {/ K: N* v StartX += incx ;, B/ G- J& U0 | {2 t8 k
}
+ g1 w5 n' W" Y if( y > distance )8 H- F$ ?1 }# L6 p8 Y# y( ^% a
{9 o' v2 O5 t0 D" h$ m* C- e
y -= distance ;
: E2 b8 u# u7 p2 U7 y6 A- t' T StartY += incy ;* f1 x: |; H9 Z; x$ s. |, C* A
}" y9 F( s& K- b h& S9 ^
}
* r! P1 n6 K3 B- `# }; R+ _% _}# |: A- L+ V6 f/ i, _& F
% P8 D3 J2 L0 B- s4 K
1 W: V2 o2 y+ O8 x( I7 S; K! d; z
/*******************************************************
% S0 q$ W/ q# u, ]: P+ \/ S* 函 数 名:void DisGBStr(xchar *CorpInf)# P$ L) V+ Y$ S4 n8 L3 Q/ X
* 功能描述:文本显示: Q7 W( S d% [: g$ p& R" j) j; b
* 函数说明:写入汉字
: R$ K8 t S1 v+ D' }* 输入参数:xchar *CorpInf0 ]3 k/ q# S+ L
* 返 回 值:无
" }; }; Z; C4 P! J*******************************************************/
& r" j6 I1 A0 f% W3 C2 i3 Dvoid DisGBStr(unsigned char code *CorpInf)# K- d6 E! m' u* o$ y4 Q L
{
, R5 m8 H( b7 y8 o0 V$ E uchar uc_GBCnt;- X# H: D( g- @$ e
+ \7 X! R5 B3 R$ [2 S8 }; i" @) _* g% e; ~; ^
wr_cmd(0x30); //DL=1:8-BIT inteRFace
+ B3 ^: A8 |6 F6 u W wr_cmd(0x30); //RE=0:basic instruction
) @4 s; o+ a8 t# Z1 @, s/ ~0 { wr_cmd(0x0C); //Display ON,Cursor OFF,Cursor position blink OFF 。整体显示开,光标及其设置关。/ q$ N! n0 \$ b( g1 s9 n8 J, e6 O
+ j9 ^7 J& P6 @/ T, {) l7 u" i
, W4 [( c% [8 L& Q% \& D/ R
wr_cmd(0x80);
) I8 M6 U, q5 U& h$ }: C/ E* S8 Y' C# B$ O6 X7 M
6 i# j1 J% s# P- _7 c& V: \# I for (uc_GBCnt=0;uc_GBCnt<16;uc_GBCnt++)* Q# r; F, T* ~2 q; o% e/ w
{
( Q! ^; D5 a+ W% d1 \ wr_dat(CorpInf[2 * uc_GBCnt]);
6 S* K3 A- V" @1 s wr_dat(CorpInf[2 * uc_GBCnt + 1]);
1 p; F& d7 x) L8 ~# L: M6 H/ S0 L };) T% f9 u; A& }
wr_cmd(0x90);6 t f3 U- n( ^# k/ a& P' ^
for (uc_GBCnt=0;uc_GBCnt<16;uc_GBCnt++)4 X7 K6 ~% `! T/ N) M. m
{
3 z+ g( v3 A/ w# q' g/ }4 d wr_dat(CorpInf[2 * uc_GBCnt + 32]);$ F8 T/ F3 ?/ N9 s2 n
wr_dat(CorpInf[2 * uc_GBCnt + 33]);4 b6 t/ E5 S w8 U" U, ?
};" U ]. c, b. n/ u/ i: j% i- q
delays();3 W0 M, H0 w) w" {+ X, P* ?8 s6 s
}" l8 o0 B: r6 K( L
1 @7 Z/ [. p& ~ T. @
% t+ k7 b* X: S4 I0 f7 |
/*******************************************************
1 G9 W; k. d" y* 函 数 名:void Cram_Off()
) i: q3 V: i3 g; Y+ L& t- ~, i p* 功能描述:清除文本显示
: c2 U j5 k( I/ b7 L7 W# b* 函数说明:清除文本显示
$ K9 J! o/ Q. A$ W) {% Y/ r* 输入参数:无
$ f3 }) _3 }0 q& n; J2 p9 [9 g2 f* 返 回 值:无" f% V" w5 M. s0 ]
*******************************************************/( [% j) R2 K0 U3 T7 w
void Cram_Off(void)4 ?5 F& K# N- ] B& F2 X
{
7 V( j; n/ {( V- ~; p0 |4 {9 w wr_cmd(0x30); //DL=1:8-BIT interface
q' \0 y q% V2 K" x3 @# B wr_cmd(0x30); //RE=0:basic instruction
" s3 F* v7 l" e wr_cmd(0x08); //Display OFF,Cursor OFF,Cursor position blink OFF
( ]+ n. |& x2 S+ K wr_cmd(0x01); //CLEAR
]: y' \, n/ F; K- Z+ p delay(250);
+ z J2 `# h1 d& w+ |- G# h' s4 V% L}
( U+ e" @, ]: J$ v ~; q6 ?. W" g, s
6 k2 E+ ^9 }1 h+ }
/*******************************************************
2 T: ~0 K J! Y8 D. ^* 函 数 名:void Clr_GDRAM(void)1 l) T% g$ G% n: U7 I4 c* s
* 功能描述:清除绘图显示5 c4 l, z) x% P/ e. m" {% e% h
* 函数说明:清除绘图显示. g+ N/ O1 F& l4 u& O
* 输入参数:无/ _$ Q1 l5 Z) A0 [* M6 F
* 返 回 值:无
: c9 S% ^4 I7 |% P8 j7 n0 M0 X*******************************************************/+ I6 G$ h+ I" \9 ^- H
void Clr_GDRAM(void)/ }! _; Q. o& \! ?+ d; y
{3 n1 L8 f0 W2 C" K. p2 ~+ O; O
uchar x,y;( S6 [ T' R, ]
for(y=0;y<64;y++)
. Q# D, W7 A2 j2 G7 v, T2 i3 e! Z for(x=0;x<16;x++)/ b4 d% W4 L* k' w5 }7 d, @
{* d# U8 \& M6 ]$ R! f! I- w7 l# p% v
wr_cmd(0x34);7 b; Q8 ~' ^ _+ D0 P% E
wr_cmd(0x36);//开显示- b& N+ q+ e s- S7 ~
wr_cmd(y+0x80);+ J% Q; T2 j) I7 ?
wr_cmd(x+0x80);. N" e/ Y: T+ q+ _7 ~( e2 P# x
wr_dat(0x00);2 o' ~' b" p5 }& X
wr_dat(0x00);
0 ]0 j, O7 q7 @" R" b% u }0 I$ T$ O: E' U' @# b7 B* L7 @$ C+ y
}; P1 Z' I" D7 E+ s( T3 U* D3 i
' |! @ \% E$ T1 r1 j- h
" D9 V; \& Q9 v! Z' ?: Y5 ?. C/*******************************************************
2 Q2 |/ c8 D9 r* 函 数 名:void Lcd_Init(void)* L$ k4 x; w5 N9 ^
* 功能描述:12864初始化" f- y9 k! w6 K3 Z
* 函数说明:初始化3 H" e3 j: ^- d# f
* 输入参数:无- A( Z, U. }$ }# t8 c
* 返 回 值:无; Q" L8 w$ X2 H( k
*******************************************************/
@" q2 h8 k; z' j9 Z) T( u8 U6 qvoid Lcd_Init(void). V( t* s" l9 V& H, C* R# B
{# q2 t2 e) I8 f
PSB_Port =1;//并行接口6 Z2 K# w2 v4 E
_nop_();
7 J; c: x+ M' c% Q: X8 C' h _nop_();
( V: O& i3 }; U) I+ v% Z% @0 H1 k
' {/ @% I4 Z& i" [
: M7 W0 _* E+ S" q! i3 g5 m RST_Port =0;. c8 I8 Y6 o4 s, U
delay(250);8 k" W# V1 \$ ?* X: Z8 m
delay(250);
% _# c5 N3 I/ f4 W& r4 T& r delay(250);3 }: n$ i' H' h5 T+ Z' r# S
delay(250);' T" h) f/ H6 k/ r
* D6 e( k4 o4 U+ x9 R RST_Port =1;
0 ~& r5 D8 r- n0 E6 a6 f delay(250);
$ g4 G3 ]" z' @, V0 i delay(250);; B, s2 D" {7 H' a! [- [
delay(250);! v7 ]- t4 u2 C3 C k F
delay(250);
% n! _! J7 ?; S2 g2 U7 \& }* k$ L* @& ~% N, d+ P9 }
; H7 M6 X6 o" Z# Z
& E3 K* O% z- w& P
. l4 ]# \8 `+ W$ q- n7 @ wr_cmd(0x30); //DL=1:8-BIT interface。功能设定,RE=0,基本指令集
0 C4 {) F# n, ~. u6 e1 m% O4 O wr_cmd(0x30); //RE=0:basic instruction* m) o4 g$ i4 T
wr_cmd(0x06); //Entire display shift right by 1。光标右移
) r# a; B2 {2 U' n, _! M N9 `! ]# Q/ L& e
+ w& t- w6 s3 [+ b: E6 X
Cram_Off(); //清空文本显示$ _' y8 b4 O- x0 }( ^" G0 E
Clr_GDRAM(); //清空绘图显示' ?/ q: J/ q3 ^0 n
/ h# {! o! w3 r- G) Y# V' j}" Y5 J7 l5 P4 z# N
/ R& d/ A2 i( o4 S% F, s5 N' A. q
3 A7 @- b+ i+ h. v' Y9 k8 k |
|