|
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
玩转12864,划线,画圆,汉字,图片程序
8 v2 f O% F3 b& m$ j+ J
" B- q8 ^" q& V* A1 r
/ [. W0 z' j# X: F( p4 Z12864并行显示:5 F8 l! H8 {4 I1 y' V
/*********************************************************; P0 ]+ W/ \; O+ D
功 能:12864并行驱动画任意线段和园以及图片.汉字程序
- W: X7 T8 S! V: B 单片机:STC12C5A60S2+ c/ G2 e0 l9 b, {& A" d, V% K5 [
晶 振:11.0592M' h% J2 j# i9 J; O8 u7 p& C
时 间:2017-3-1
6 X! b! ?! L' f1 o& U 作 者:苏义江修改整理(感谢前辈的辛苦)1 _# G7 J0 {* F5 S* G# B
注 释:在多功能试验板成功显示. D' w" s# E0 d' e
*****************************************************/* v: A5 i4 h1 I5 i+ r
#include<stc12c5a60s2.h>
- X( \9 t, d, H5 D6 Y% D, P#include<stdlib.h>
' E% H. c/ X- e% ^9 y6 s9 ]#include<math.h>
$ Y5 y, Y9 k: F/ U9 A, P5 Q#define uint unsigned int
! G0 @5 |: f1 b& [5 r/ r: ^. [" s1 |4 d#define uchar unsigned char
: J+ T" ]* W+ y7 j& L9 a* }#define pi 3.1415926
7 O* _5 Q5 R, ^1 H9 P; Y' ~( S#define LCDDATA P0# B, V& _6 f7 ?/ }0 e
sbit RS = P2^7;
& _* f& T$ ^6 S+ f7 G" psbit RW = P2^6;
) O S7 Z; |2 ^: l. G: ysbit EN = P2^5;
2 r1 H' N) p' g! h. l! o1 O5 h$ P7 B, H$ H7 X+ f
uchar code hanz[]= {"玩转12864!"};
( {# B0 M F. T) `% Tuchar code hanz2[]={"苏义江爱好单片机"};: |. Y. m$ ]3 a# r9 I/ O
uchar code logo[]= { & u& M- E+ J( U/ J2 P
//取模方式:纵向字节倒序4 t, L4 F4 q" F/ A; {$ Y
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
* o$ ]9 I- M5 m: K s# {& c0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,' n# [! a9 x( |- Q0 f: q
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,4 Z; U0 P0 @' ~8 K' n5 z7 r
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
9 ~3 s( P1 p: a k0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
T0 T2 H8 r% u/ n+ }0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,) n1 Z1 \. \6 k- r
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,. R+ Y" J6 b& L1 X
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
; X( V" n0 c" p* Q" o+ b0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
4 E" F+ u( u7 G0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,4 } B( v5 n, e3 Z; m5 n
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
' ?* o0 a8 x6 R8 @6 p8 D8 G0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
' B& T2 @ w8 F! q; d0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
) }# P6 N" @" h4 j+ Z' G8 K0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,2 \# x: D3 P0 F; `- I4 {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
3 t8 p P E+ ~- t' N0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/ {1 c' e# t% V9 F. x; a" }& W9 S0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
' }4 Z" v2 n" o# r& c9 r0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
8 l/ ]: v% Y3 v6 N; b0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,! f: ~" \1 C2 |5 ?- }% I; r; l3 \
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
. \+ V, k8 ?" r. S5 {# e% H0x00,0x0F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,4 |! ?' x% { A* K0 O) Q
0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFC,0x00,0x00,0x00,' g- W" F' X5 T9 l, r8 ^. z
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0xFF,0xC3,
* M6 g( V. R" a0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0x66,0x19,0x8C,0x31, # P+ s _; M, w: K
0x00,0x3F,0xFF,0xC3,0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,
8 a3 ?! l$ d8 ] [0x66,0x19,0x8C,0x31, 0x00,0x3F,0xFE,0x01,0xFE,0x02,0x39,0x00,
* Z- {) [, l4 ~3 ]( P0x06,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 0x00,0x3F,0xF8,0x00,
6 t5 M7 K7 u, X0xFE,0x07,0x31,0x80,0xFC,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 5 u ~4 l7 F8 k" @8 {3 e J' `
0x00,0x3F,0xF0,0x00,0xFE,0x06,0x31,0x80,0x78,0x00,0xC0,0x0C,# e! ]7 ~$ j0 R3 j1 m
0x66,0x1D,0xDC,0x31, 0x00,0x3F,0xE0,0x01,0xFE,0x06,0x31,0x80,
; }7 ?; _2 A; j% B; F, i0x30,0x00,0xC0,0x0C,0x00,0x19,0xCC,0x30, 0x00,0x3F,0xC0,0x03,
& a* Z" I8 a! \4 i: c2 h0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,0x00,0x18,0x8C,0x00,
' {# @ ^3 X0 a" B4 X# z/ S/ r0x00,0x3F,0xC0,0x03,0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,4 F# b1 { V- u) P. q, }+ Q# B/ r
0x00,0x18,0x8C,0x00, 0x00,0x3F,0xC0,0x3F,0xFE,0x06,0x31,0x80,
3 Z4 A ?+ z$ C1 m0 T( B0x38,0x00,0xC0,0x3D,0x18,0x19,0x8C,0x0C, 0x00,0x3F,0x80,0x7F,
) M: c+ n- s. v" P a' f0xFE,0x06,0x31,0x80,0x38,0x00,0xE0,0x3D,0x18,0x19,0x8C,0x1C, 2 C( E" X, W9 n' {1 L
0x00,0x3F,0x80,0xFF,0xFE,0x06,0x31,0x80,0x18,0x00,0xE0,0x3D,
! m' U, F5 r. T/ A8 Z/ H( X8 _0x18,0x19,0x8C,0x3C, 0x00,0x3F,0x81,0xF3,0xFE,0x07,0x31,0x80,
' J% P+ ~. y R9 x4 ]# a0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 0x00,0x3F,0x81,0xF3,
( m) z1 Y& w* u0xFE,0x07,0x31,0x80,0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, + v1 ? q7 J4 _& G/ l
0x00,0x3F,0x03,0xC1,0xFE,0x00,0x30,0x00,0x30,0x00,0xE0,0x3F,3 H( ~0 g. |5 E" k# m3 d x n) P
0x18,0x18,0x00,0x0C, 0x00,0x3F,0x03,0xC0,0xFE,0x00,0x30,0x01,: Y3 U1 ~$ @% S! V1 ?/ W
0xF0,0x00,0xE0,0x35,0x18,0x1C,0x00,0x0C, 0x00,0x3F,0x03,0x80,3 w- g( c* M; p- u7 T# S
0xFE,0x00,0x3C,0x80,0x00,0x00,0xE0,0x0C,0x18,0x0C,0x00,0x18, : d/ S& Y3 {3 v& r$ z; m
0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
% X+ i5 E, [" j3 o$ m; S2 b% T4 R- U6 Z0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,# H; a- g* O/ U6 f2 ?4 V n
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0xC0,
+ @9 y1 C0 ^8 e/ S; k& ?0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, # L8 D$ q0 G6 N
0x00,0x3F,0x01,0xC1,0xFE,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF," f2 ]1 V- R. {- s, c4 v% ~
0xFF,0xFF,0xFF,0xFF, 0x00,0x3F,0x81,0xFF,0xFE,0x00,0x00,0x00,# I8 G5 q. v+ [
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0xFF,
- x& M$ i; K" J5 N5 K6 R% I0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
* v- M4 Y6 e' z6 E, L9 T0x00,0x3F,0x80,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,* d3 ]- v% N6 i5 A
0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0x7F,0xFE,0x00,0x00,0x00,
5 m/ s! O R+ d3 S5 n4 o3 c0x00,0x00,0x08,0x08,0x00,0x00,0x00,0x00, 0x00,0x3F,0xC0,0x0F, d% T7 q! f4 x2 p
0xFE,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,
6 g2 N+ D' e; f$ p) Y- q9 c0x00,0x3F,0xE0,0x01,0xFE,0x01,0x01,0x80,0x00,0x60,0x10,0xD0,
9 u9 `8 E& [# ?0x00,0x00,0x00,0x00, 0x00,0x3F,0xF0,0x01,0xFE,0x04,0x44,0x4C,, [$ ~. G& m( w' O6 k/ h* v
0x89,0xB1,0x93,0x70,0x00,0x00,0x00,0x00, 0x00,0x3F,0xF8,0x00,
" @1 O$ @- e) n: B' k! D0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,0x78,0xE3,0xF8,0x3C, * K9 S) y: u/ Z& d l! z2 ]
0x00,0x3F,0xF8,0x00,0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30," e* {( |7 T6 y! c: _
0x78,0xE3,0xF8,0x3C, 0x00,0x3F,0xFC,0x01,0xFE,0x0F,0xCF,0xC5,
' }7 w1 Y% C' c% L( d0xF2,0x12,0x24,0x30,0x81,0x16,0x48,0x60, 0x00,0x3F,0xFF,0x01,, `4 I$ g) P P4 J3 g; e$ A8 n: j# d
0xFE,0x08,0x08,0x06,0x62,0x12,0x24,0x20,0x82,0x14,0x88,0x40, 7 {% A6 ?# ]! R- O" X8 G% c8 U6 ?' Z
0x00,0x3F,0xFF,0xFF,0xFE,0x08,0x08,0x06,0x63,0x26,0x26,0x60,7 P# @8 M& r9 E* J
0x83,0x24,0x88,0x40, 0x00,0x0F,0xFF,0xFF,0xFE,0x07,0x07,0x04,
# }0 ~; T* T% c& T0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 0x00,0x0F,0xFF,0xFF,
6 c+ ]7 H. w4 ~' H8 G9 s! b/ s2 l0xFE,0x07,0x07,0x04,0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39,
* R1 I( q4 q, G9 U. m! D2 G0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,& t: x4 i/ I0 B7 x; Q
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,$ G, |' K" \' c
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,1 Y5 D& t7 N, T
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 2 m7 K5 u# Z/ ?0 B
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
8 P6 c3 o4 \) ~9 K0 U0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
: e1 F5 T/ w' |0 X0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
! ^& G. B. G3 i0 K6 p% N) B0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
3 v$ e) m* Z) o0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,' D2 w9 l: c) I% O
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,: _* ~5 \) ]) p. L' l3 }8 ]+ h' g
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,; @0 l9 k* Z2 q8 r' z/ J
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
) H9 S4 M/ C1 q! K) ]0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/ T4 z/ |5 d# O& F( ^+ c. ~+ A0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0 C ?) |' j$ Q, z- q* d* D0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
6 ]9 o* J6 q; K, x1 ^) C0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, ( e. T% |4 ?9 c. t
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
9 v9 i/ ?% P |. z. l0x00,0x00,0x00,0x00 }; //图像数据
, u8 t$ I! l! r! ~0 X8 C
, Z" _/ k( D3 ^% G7 k' U
9 G( d8 o/ n- uvoid delay(uchar i). v& O, h1 O9 y2 Q1 @2 p; _
{
. P; u2 G; D2 G5 } for(;i>0;i--);
1 Q6 e& m- K) [ | P7 h' l$ K}7 k2 B( W2 Y/ f9 n. i1 |4 E- A
void delayms( uint i)
/ p* j2 G% `1 Y2 D{ 6 s; c; _2 i1 q) v3 E1 Z7 p) B, z
uint j; ! x5 ~! O; V5 s
for(;i>0;i--)
7 S( c+ A. C6 ?: _2 V { for(j=1000;j>0;j--);}( r' H6 C, f( f: [' K. I& o
}( P6 F+ H) n7 G& W9 X; K
//写指令
, W+ |$ W/ ?* `9 m4 \7 q6 | Vvoid writecmd(uchar cmd)//写指令+ a# A1 V* a0 s2 x6 |* ?1 V- ?
{
8 D0 t) g# R; y$ O0 ~
% s; v( P! r8 i' k* p LCDDATA=0x00;
. f3 |5 J1 g- O3 _2 b9 ^ RW=0; 8 X2 H. Z7 R8 ?
RS=0;
/ J, A( h4 A( }$ _ EN=0;
! ^, r$ K6 K1 Z: t0 w LCDDATA=cmd;
9 X7 L! k! m# H2 D7 e" ~ delay(2); 1 @2 ?# {1 v2 U7 }# ^
EN=1;
! g* b' ^( e" N! A3 X delay(20); E1 q& R9 \4 O4 b' S* L
EN=0;) G+ y1 C4 h4 R+ h3 a: |6 @5 o
delay(20);4 I' C( Q& j7 F$ i4 c8 b
}8 R4 \5 ~$ v, E3 C( U# ^
//写数据
n+ x% O1 H, a! V, n; S' U. wvoid writedate(uchar date) P! E# a6 o! Z9 v
{ J( b& y: l6 ^
//while((readstatus() &0x80 )!=0x00);
/ u& D3 E! `9 m ^$ i0 a LCDDATA=0x00; 0 W8 o7 f& M2 n( H
RW=0;
( z$ N& K5 `6 P- P3 J RS=1;
5 W4 J3 \" W. T0 [" i5 | EN=0;
: J* d3 z; i: F" ~ LCDDATA=date;
+ y$ B) J2 n. y; G delay(2); / B# B5 [0 p/ T* p
EN=1;
/ Y5 i+ D% u; K6 v( X6 ? delay(20); " M* T. X* X" z: c; R" u% q
EN=0;9 _* j! D) G5 A
delay(20);) F/ }/ f% ?. H6 n- p, N1 E; K6 K$ ?
}# b1 B, _- K$ F. \1 r
//读12864内部数据3 A% A7 i; _1 {
uchar readdate()
) s" z7 r A! M' u$ v{1 l$ s% e. O: a8 e$ |' B1 K" v/ w+ }
uchar i;& {; ?- J9 P$ |$ M4 B
//while((readstatus() &0x80 )!=0x00);
- k3 Y5 [+ d& Y8 N% D, r; `+ K2 r3 s" L, j' |0 K+ w
RW=1;
: d, D+ p( w5 `: F- c/ G K RS=1;
3 t$ V V! r- E EN=0;* {% Z1 a2 Z& N# t
delay(10);
8 W/ \* a3 x6 `0 p* w EN=1;
" p2 q" ]6 s4 @9 a8 e LCDDATA=0xff;( y8 h, y6 A2 k
delay(10);2 Z# t' {: g G; n* f l5 l! C
EN=0; 7 Z) l% y! k% V5 b
( b( q% {/ _* U( c1 T
EN=1;
8 N V" t' @) T/ `# C8 z0 p LCDDATA=0;
/ U% \7 o# f! x) J delay(10);
7 V) t. R# ]3 @( ^# \9 Q( v/ b; o5 S( b' v3 d
delay(10); 0 }* M+ D$ l, w- h, w! k2 g
EN=0;: c( h9 s: J0 A: X; `& Y
i=LCDDATA;
/ _" Z5 }0 J+ l return i;5 L& N+ p% O( [% ?0 @) S
}/ A* Q8 U# t" S8 L9 A
/*******************************************
: C: g4 ?/ M6 O1 w. Z
+ P0 T8 A; O& x+ o5 x函数名称:LCD_init' z9 p; U5 H q# b
4 G5 q' Z+ W6 O/ V g& d2 z) ^
功 能: 初始化LCD' I9 t( q2 A: @& n6 u, P2 s5 R3 t
; j2 X3 f! A0 K
参 数:无
; b O, E* W1 ~5 j+ h. R# f+ N6 F- W, \6 V
返回值 :无
* U' m4 d3 c. K+ F8 u6 g" x1 z7 A/ U) O1 h% Z* ~6 Z8 r
********************************************/8 A8 ~/ X5 c- c* Z
/ F/ y1 [/ ^0 \void LCD_init()
: F* U) P" ~' a% s0 o, q
4 d4 m: y! A7 W5 r" N/ S{
7 t. m. \5 }, A- F, P. H delayms(30);
% s2 p! O7 j! q0 X' t6 j2 f3 K writecmd(0x30);
6 d1 X1 O7 l, ^/ B3 s
( C* w1 k2 T2 U( K9 W- A/ f+ | delay(20);
6 l" [) q' J3 l" A( Y
K, C. ~' V- M' | writecmd(0x30);2 F4 X3 q& Z. R( k+ f3 `
delay(20);
; t/ G5 ] n) c" b, W* x I- `4 `. i0 ]3 c; P2 K3 i
writecmd(0x0c);9 ~2 j* @: L1 b; X3 }- x
" q& o+ G# P9 ^& H* Z1 v delay(20);
7 r: X3 `- ]% f% n5 Y9 _
3 T% [8 U4 v5 p+ y1 ~: u" G6 u writecmd(0x01);0 |/ d/ `. b9 S. Z2 \3 a0 s7 a: g2 M
7 k' {: D% L0 {; O2 j! J delay(20);3 W+ A' ?) z3 B1 O# h" I/ p
/ j9 [: t. `& b6 }! q. i) w% I
writecmd(0x06);
: X8 s4 U5 Q0 v( R' B4 F6 j. d2 t0 U5 O; m4 C4 R' d
delay(20);
- K/ T- g9 k) V7 v, r/ j( l- z: m1 c. g: N
}9 J% c, w1 _5 C. X, ^- b( @
//功 能:指定地址输入指定个数的字) [5 p: h( z7 m
//addr表示地址 * pt表示数据 num表示数据或汉字个数
$ J; O# u" t( h# r1 {: [5 l: U$ fvoid Disp_HZ(uchar addr,const uchar * pt,uchar num)
3 q) W1 I. }. x2 I. }8 k{
* L% F3 W$ ?9 ^& s3 n- J: |9 i uchar i;
3 m' Z- r+ d% }$ R) C( ]1 O writecmd(addr); 1 E4 D( n* D. r _1 A
for(i = 0;i < (num*2);i++)
. A9 ^# A7 e% _ { % |( _& w! I! W8 P
writedate(*(pt++)); 2 U% @$ D" a6 b0 ^% g
delayms(1); 0 J p' h1 S! [' ^0 D2 y
}
+ R. E9 x! D- q( L}. G4 u. t. ?( }" b
//清内部随机数据% m w+ I6 [2 a: e
void Clear_GDRAM(void)
$ D1 q+ ]# ^; o( h( J{0 z5 P* j: v( c0 i
uchar x,y,i,j;
6 `, @, u* T* R5 S0 i writecmd(0x34); //打开扩展指令集 5 m9 n: S3 v" K) s! \
y=0x80;
5 j1 l, H9 t4 J- y x=0x80; , ]9 h! T- c! J; S. A
for(i=0;i<32;i++) 6 |' `+ _0 N+ j1 p6 |/ Z
{
* }" _: `: }% K# o. y' a writecmd(y);
! a# Y/ ~0 z8 u1 q) E writecmd(x);
9 Y4 O- s( u4 u3 |' s( }2 n for(j=0;j<16;j++) $ g- T1 L' X- ~4 Z
{ % X3 O0 l" ]! t1 h( [( V. V/ m, @
writedate(0x00);4 [' H) Q4 m6 `: a& N8 B
delay(30);: I7 Z" |7 L L, R* x
} % A' |9 T- V R1 V, r" }
y++;: `! X1 ^6 I: J3 B- s. x; z
}
! O3 n$ \, b; W$ Q0 ` y=0x80; ) w- p% Z2 T0 u; n1 h0 g
x=0x88;. p3 M- X% w1 B
for(i=0;i<32;i++)
$ B. k6 j) k( g9 J0 `* \1 k6 Q { : Q6 I g- k% j6 U2 H
writecmd(y);
' I) |9 [# S# H( q" s9 |* v writecmd(x); " x0 C8 {* l4 z8 d1 M
for(j=0;j<16;j++)
5 q8 _7 ~; k9 t N% r0 S; p4 ~ {
7 e: _* J6 I/ y; B' [' V writedate(0x00);: H- U" s$ p+ E6 A V
delay(30);
/ k. q! X @, j7 G& D } 9 C7 V2 _# s0 O; G+ x
y++;4 q: y) v* ]9 _3 u
}; m: u6 x! W" a
writecmd(0x30); //回到基本指令集) V# Y( y4 Z2 P
" C2 b$ v3 ?/ {8 [}
) ]. e7 g. Z( B0 D//画图片
0 P' N* E0 G' ^8 X& C- vvoid Draw_PM(uchar *ptr)
1 g# j# S. [+ Y1 o, ]{ # v" G, `4 ]# Q, U3 F9 [! B* W9 N
uint x=0; 9 [& K$ a& g! S, \- S
uchar i,j;
5 t# P9 s8 y% ?0 F7 ^* E$ U writecmd(0x34); //扩展指令动作# u3 `1 Q2 K' Y
writecmd(0x36); //扩展指令动作
3 B$ L5 `- R- @; i
# [0 a: ^9 b, i+ k, K for(i=0;i<32;i++) //上半屏显示 0 P8 q8 k! y* A x; V
{ % \/ [) ~) m# m5 |% v* Q
writecmd(0x80|i); //列位置
0 g/ Z: ]& e) J+ o% w+ P writecmd(0x80); //行位置 8 H' M3 X9 d, _# W# o4 V7 Z
for(j=0;j<16;j++) //256/8=32 byte 1 p- ?. q c! `6 U" p+ V9 d
{ //列位置每行自动增加 3 d$ H9 X# e" [; s" e3 P
writedate(*ptr);
7 W6 w: x4 h$ T ptr++;
2 f" E* {0 M4 `2 @' ~! Q }
`) d( \' T: { } " M! I% f1 i9 f& B
! ?& {2 x. f6 D4 E+ I; G' B for(i=0;i<32;i++) //下半屏显示 , K7 w9 E7 O' L8 Y) g
{ 2 J) ?$ M1 h# P e* `: ^, b
writecmd(0x80|i); //列位置
" a. E& u3 S* }# Z3 T2 H. `) O7 t writecmd(0x88); //行位置
' @& J$ v5 W4 T6 i for(j=0;j<16;j++) //256/8=32 byte - q! W: Y) e* m, H
{ 6 D5 p0 Q: @' r/ A z, ]0 H
writedate(*ptr);
5 z$ c1 _# o$ q/ {0 y ptr++; # A' F- N( c, y7 X5 b, @
} % ?( @: z9 c+ [) P* A2 Z% o$ f
}
8 T/ b/ ^. `9 Z% i/ L( {+ S writecmd(0x30);
# d: C% g; z* U/ ~4 }" E1 e
8 ~ I0 ?) n- p+ ]; L8 L9 h4 P. k8 Q}
% @4 ^5 ^5 K1 c* j4 l) F, X: D. u% B& L4 w
/*************************************
/ K* `9 v! @5 T9 R功能描述: 读取绘图RAM中指定坐标的数据
$ T$ R7 y/ | h# I; K** 说 明: 参数输入坐标地址,
3 o. _: _1 G7 O+ \6 y/ h* d读取后从坐标地址参数位返回数据,所以,4 l! _9 E/ M: Z- {7 ^9 O- G) j% s
地址参数在输入前须使用
( R: M! B: G# ~2 [. P( ?5 s0 q****************************************# F8 O! H9 D. [7 e
void LCD_Read_dat_I(uchar *xp,uchar *yp)$ l# A- x9 _% Q# Y
{
@8 W8 [6 p5 J0 r* s) Kwritecmd(*yp); //写竖坐标(0x80-0x9f)
- f( T1 b5 H2 o& @+ I4 {5 Vwritecmd(*xp); //写横坐标(AC地址) 上半屏(0x80-0x87) 下半屏(0x88-0x90)
. c) X, y0 z" Rreaddate(); //试读
; b, M) \; { b, w+ }*xp=readdate(); //读高字节并返回给xp( y' m* j' q4 _
*yp=readdate(); //读低字节并返回给yp
x! b' }& G: D, B* h& L/ b- C}
! ~2 @# G7 O& g5 ~5 r- x [*/" o7 H8 E. W6 N
/*************************************
. @/ L9 a8 A+ r' ]//画点 在整个屏幕上画一个点 X 0~127 Y 0~63
% W& k6 s5 y/ K/ K. T/ _" d: W功能描述: 指定坐标点画点2 r( c4 @2 t, |. D$ Q3 z8 B
** 输 入: unsigned char xp,unsigned char yp,bit dat / u4 {1 x! j+ R/ M3 G* K; D }
X,Y行列坐,dat 1写或0擦除
* E; Z9 J$ m5 G*******************************************/
/ U* g$ p2 T% G/*
, G; D# O! v) o, T2 l+ H8 b: _1 Vvoid Draw_point(uchar xp,uchar yp,bit dat)
, J1 z' l9 q$ f0 }: d: q2 {{6 F) x& d/ h! ^: ~
uchar xd,rx,ry;
6 `5 A1 a8 Q" d5 w* \" q
% |. R0 x8 a" Q" c/ ^' w# Z xd=xp/0x10; //计算横坐标AC步进' {! ?+ f9 F& O
xp%=0x10; //计算AC地址位偏移
: h$ v5 f( {1 ] xp++;
: Y# l9 y3 \- L! }- @, k) m writecmd(0x34);
) G! v" A t2 n0 o- V writecmd(0x36);. t+ l6 m! b$ g p2 {: h* A/ m. j5 I6 ]$ y
if(yp>31)- r+ U! f C. K$ ^
{ //如果yp大于31选下半屏' s6 b6 a; y; V) ]# O
yp-=32; //计算yp在下半屏的竖向坐标
9 D+ r" l+ t6 R) S; y* c yp+=0x80; //地址命名
8 A$ W) G4 {4 a) s7 J xd+=0x88; //下半屏起点地址是0x88,地址命名
0 A4 W9 Q' u9 {# v8 L3 ? }7 c2 ~3 R' G! K& L% o
else z( \6 |& J, [8 E4 x
{ //选上半屏
8 ?. K* c4 ]/ V/ a, h1 u, [/ H5 { yp+=0x80; //地址命名
5 h% y8 P4 d* R# i) C$ H/ S% t xd+=0x80; //上半屏起点地址是0x80,地址命名
+ x8 j* \9 y4 L5 a+ `: o }- R# S4 ~# J2 j3 q
rx=xd;ry=yp; //取AC数据函数需要两个参数返回数据,且参数公用地址,所以使用零时变量# h" m x$ }5 o. l& o
LCD_Read_dat_I(&rx,&ry); //取当前字节数据
, n2 h7 q( d& [% g, l writecmd(yp); //重指定当前y地址
$ j8 }8 Q$ L: W1 n' q+ O) z writecmd(xd); //重指定当前x地址
( f3 O7 ]9 I1 }* L if(dat)
4 s5 |; b2 ^- g1 w { //如果是画点 L6 H- g j5 I# O f1 b9 _
if(xp<=8)
" \% v- [" F* x' n L7 i { //如果当前画点坐标在AC地址数据对应的高字节(取余计算结果与字节移位方向相反)
& K# ?7 ^, m2 x1 d9 o; Y writedate(rx|(0x01<<(8-xp)));//读取的高位数据与翻转的指定位进行与操作后写入高位
% ]4 c3 \, b* d/ I. K* L writedate(ry); //读取的低位数据原样写回5 b, s9 C4 i9 D- N
}
1 R$ Z. n" P. o2 [+ p; W" w" D else' a* H4 R, ]5 D! { |' d
{ //如果当前画点坐标在AC地址数据对应的低字节(取余计算结果与字节移位方向相反)# W2 e M9 Z5 O5 ^0 @7 y; R
writedate(rx); //读取的高位数据原样写回
# @0 o! _. ]* i+ ?5 X7 }; ?+ J writedate(ry|(0x01<<(16-xp))); //读取的低位数据与指定位进行或操作后写入低位
/ K' Z* W7 `2 H! G. ] }2 @4 ]6 M9 u# s$ [; W
}
0 x7 h+ @! T; O# c8 _$ L' H. J else4 w. a& i3 E# R2 Z
{ //如果是擦除图像! p) o5 m$ ]1 {3 l
if(xp<=8)
6 `" U: f" B! M; w$ ` { //如果当前画点坐标在AC地址数据对应的高字节(取余计算结果与字节移位方向相反)+ R3 L1 q; W) s8 a8 g' n$ u
writedate(rx&~(0x01<<(8-xp)));//读取的高位数据与翻转的指定位进行与操作后写入高位
- i. {( t' {2 \' ]4 W) V) b writedate(ry); //读取的低位数据原样写回
9 {9 r4 z d0 v/ m& C) p }
5 h4 n# O. s8 a7 q B else
, D9 j! ~! d4 j* j# j# d, }# o" @ { //如果当前画点坐标在AC地址数据对应的低字节(取余计算结果与字节移位方向相反)
' }$ s! ^5 E( _ writedate(rx); //读取的高位数据原样写回
$ W0 i3 n3 k" Q5 ~- O writedate(ry&~(0x01<<(16-xp))); //读取的低位数据与翻转的指定位进行与操作后写入低位' y0 o( w6 C d& A
}3 z2 h: \3 o1 [0 W3 H; M5 k/ E% J
}
% s4 [0 \$ U; w( n writecmd(0x30);- Q% E! C/ e4 j& Z: B3 h
}: a0 w7 g5 k1 k! M! F& Z! `
*/ H" d. p( j0 x
2 E7 K6 Q) G9 E' G* Gvoid Draw_point(uchar X,uchar Y,uchar clour)
3 w* }" {( E- |* f W4 v// X行 Y列 clour为0时画点 为其它清除这个点
3 ~8 ?5 X/ y2 W. P' H% G$ k/ i6 K{
% p4 v' a$ w( @9 T uchar x_pos,y_pos,x_bit; 0 F f- V1 D4 j* c4 Q
uint read_data1,read_data2,dat1,dat2;
/ j# ?3 B o1 c' R //计算LCD位置
+ U, N1 J: Q6 [7 V1 A) N writecmd(0x34);
/ n5 z7 s& P; @" Q# B; x; Z writecmd(0x36);
0 m5 f' o; L; Q: k; `: Q x_pos=X/16; //取16*16首地址 3 Y7 J' U! ]; k
if(Y>31) 0 U2 Z* {. u* B' C$ d8 w
x_pos+=8; //计算该点所属LCD液晶中X坐标位置,上半屏0-7,下半屏8-15 8 w# o! m9 {+ `" _2 Z9 _% Q$ D
x_bit=X%16; //该点位于所在16bit中的第几位 5 s5 f/ D) y" c% ]" g2 I; C
y_pos=Y%32;
9 q& h% {' w4 C+ j// writecmd(0x34); 7 e P9 q" }1 h& y3 a0 W" H
writecmd(0x36);
+ E% E! [ n, L6 j$ y" X writecmd(0x80+y_pos);
' g5 m( @; j Y* {4 A C) Y& b writecmd(0x80+x_pos);
5 U1 z5 a t. H c* ^( G/ G& _ q readdate(); //此处为什么要中上不知道为什么????
: j* x: [5 p I( b2 ^% ~ read_data1 = readdate(); //高八位! , k7 ~% [( b" K0 G& v4 Z/ d0 G
read_data2 = readdate(); //低八位! " @% H' _: t, R! M. K q$ {% i
if(x_bit<8)
3 k' f9 q3 j' }# ^+ f6 w {
" U4 n( u% J% \0 h& ?5 z if(clour==0) * r! z, M& i8 z& \, Z
{ 6 Z& ?; N8 H4 d7 B# F; ~- K
dat1=read_data1|(1<<(7-x_bit)); ; p9 l" ]% }& f. O4 a( ^
} 6 ?( D, D+ K- h7 q m3 \& ~' \
else
+ m' X0 f! a3 `5 U" [. G& w( ], M {
# R2 b% j; l1 P: \ dat1=read_data1&~(1<<(7-x_bit)); 5 q/ D. ~4 X8 L- b& J
}
8 T; G5 l) F7 H$ U dat2=read_data2; 3 g4 K! F; Y5 ?% @8 C$ X* T
} I& U. }, V, ^6 p0 P% K
else
4 F$ p. R/ B+ h7 \, ^, r. X6 I) d N5 X { 5 s& ~ i! { k: b8 n3 Z
dat1=read_data1; ( g) H: x7 c& w4 L5 u9 X% x4 d. v& J
if(clour==0)
2 e! g, Y# R, G { z, L& M, }8 ]; k$ P- ?% l
dat2=read_data2|(1<<(15-x_bit));
5 l" Y( l' m) D- d3 F* U }$ z9 V% D8 T+ \3 W( s/ p& L
( o4 A7 Y, @7 m6 S else
V( {$ z L! {0 a/ r7 n9 ? {
m2 m( ]. f* h+ B# w dat2=read_data2&~(1<<(15-x_bit));
3 x/ @8 X" S2 I, M6 e; _ }
! b Z; c% Z0 L1 A }1 p. A% }% y* x" m% V: F" N
3 H) d' J" [+ M* V) K' Y writecmd(0x36); ( O; C( H3 Y" V: [8 }, r4 D& S) D
writecmd(0x80+y_pos); - M, f6 ~8 ]' C! f
writecmd(0x80+x_pos);
% J, Q: A1 {9 U" {6 n/ I6 L writedate(dat1); 4 @2 j% P c% x) g* m
writedate(dat2);
5 G9 t0 \/ M% u% W6 B writecmd(0x30);
5 J0 `3 h: Q( c$ C}- l4 G& r f8 g, e7 S
) b& A( O/ _ u4 M//画直线X1行起点X2行终点 Y列 clour为0时画点 为其它清除这个点
# q8 y) T/ d# K/ fvoid Draw_zhi(uchar X1,uchar X2,uchar Y,uchar clour)4 q1 q! {! F$ O8 |; M
{. K" \! n0 Z/ W' _
uchar i,temp ;
9 y Z4 F9 i0 C, R if(X1>X2) //X轴上,起点大于终点,交换数据
. c% C$ h5 j+ i) D: n, e {
9 @" f, R$ l8 x1 S K; H temp=X2;
I. J7 r# s* Y/ f# `- ` X2=X1;
' u2 S4 _; e6 W E2 E. c9 U X1=temp;) }1 ^! ^8 V! p( y
}8 q, N$ u4 [% i' B% n
for(i=X1;i<=X2;i++)+ O- L4 r, {+ g; s9 N0 k2 W- R+ U
{9 d- }- r2 t6 z% T7 z. ]$ d' y+ i
Draw_point(i,Y,clour);
i6 z* |0 P- N/ G }
* {, M1 J+ S: ?2 w5 ~8 _# K! r}
: M$ M' i: F3 T* i' {//画竖线 X行 Y1列起点点 Y2列终点 clour为0时画点 为其它清除这个点
0 a4 O2 @% ` Z( ~* l2 C4 q" q" O; Z5 F$ yvoid Draw_shu(uchar X,uchar Y1,uchar Y2,uchar clour)' Z8 f2 `+ M7 \. Y
{( `5 B" G; q, d
uchar i ,temp;2 I: z4 q5 x# ]2 W1 A j4 G Y; y
if(Y1>Y2) //X轴上,起点大于终点,交换数据6 g4 @- |9 E& [# Q6 {' u6 \( b
{# U5 |; B, V, Y# y- t. @) }
temp=Y2;
q8 B( `9 z% a$ Y4 O- g Y2=Y1;
6 V4 {% R- g( P, i% i3 j" W Y1=temp; S" H* D! t1 o% e+ k
}
& `9 _4 _& ?$ h2 x for(i=Y1;i<=Y2;i++)1 p& [. N7 T6 p1 R# J- B
{
5 ~. H) R7 u& j* F8 }2 a Draw_point(X,i,clour);' Y' _! \. o' f* v
}
/ ]: L; D4 A" {8 @4 P0 p! c2 T}
3 T; Q3 e- V5 t8 Z" ]& ?4 B8 h7 ?
; S3 Q J! B# ?3 j" W8 [' U/*******************************************( j3 {4 v5 `7 E
函数名称:Draw_line# t/ N: |$ _8 M% D. ]! H8 }
功 能:在整个屏幕上画一条线 任一的角度都可以画线!!!!& {: A! O# u# }8 H' n) C
参 数:ptr--指向保存图片位置的指针: g9 d3 ?2 @' ~7 N# o0 Z
返回值 :无
, F+ i5 T8 z* v/ |: W, Uclour为0时画点 为其它清除这个点
8 O+ P4 C |; ~# ?5 Z********************************************/
1 h0 I- N$ ~* o; U! V8 S6 V
. M' E$ N$ _% _9 h/ Q& S6 v" ]void Draw_line(uchar x0,uchar y0,uchar x1,uchar y1,uchar clour)) J! p3 d4 l, ~. u9 r" k7 V0 O5 {
{4 r7 m- n7 { | J$ Y
int dx,dy; //定义X.Y轴上增加的变量值
! r1 n; R7 ?7 y8 f8 n% j8 g int sub;
, a s1 t' y& X; x Z7 } int temp; //起点、终点大小比较,交换数据时的中间变量
* k& @( n" w; ^ uchar flag;
3 o0 j" ~' O7 M/ n if(x0>x1) //X轴上,起点大于终点,交换数据& c+ t) J8 l4 j5 O# {1 w1 Y0 U- Y
{
! a6 a) z7 P! O. A/ K) L6 U8 j$ F9 G temp=x1;
0 k3 `3 O+ f; n7 n; t/ Z( N: v( E8 a x1=x0;) B& U7 X" L9 j2 U7 y
x0=temp;
- g8 @7 k! @) a$ `, v) G+ Q# A temp=y1;
- ^5 l' @& b, H, ]+ X* t y1=y0;" P5 D2 l) _) `3 Q
y0=temp;" L7 J: @/ k& b/ e7 s
}
# a% Q6 [0 a/ g' O+ C) f) ^# h dx=x1-x0; //X轴方向上的增量
- p1 Y$ i4 K& t# U- \: O2 r; J& S dy=y1-y0; //Y轴方向上的增量+ v w; Z) S0 t5 J
if(dx==0)
/ `" v7 Y& {8 H4 r Draw_shu(x0,y0,y1,clour);
$ X9 V1 t: E7 S, |# w if(dy==0)
8 M1 f. K4 p# M( T! B" M5 O Draw_zhi(x0,x1,y0,clour);
- `1 M5 e, c* ~ k* b: w$ P/ X if(dy>0)
3 d% ?7 f" R0 `4 L. t8 { flag=1;/ P$ C) U6 U0 n4 ?& N7 O: c
else
9 k3 v. A6 G/ C flag=0;! ?' |/ {0 q) P. |; H2 ?
if((dx!=0)&&(dy!=0))5 l1 r# ]" r2 a! K, `
{
( \7 Y4 F, _, o4 s& Q6 r4 r /* 布兰森汉姆(Bresenham)算法画线 */$ ~0 Z" y [1 m6 T2 t
if(flag==1)
- b! I9 {. x2 b3 F9 y; {6 i {
' F3 N3 J( w! k if(dx>=dy) //靠近X轴
/ p/ b* |1 X" j0 E0 E2 w% v1 _ {: p( @) C2 }: Q
sub=2*dy-dx; //计算下个点的位置
% w. f- c' [ s+ m' @: d while(x0!=x1)% V; m% t2 \% U3 [3 q8 g
{: X& ^: l7 Z0 V8 x+ ~: n' u L) O
Draw_point(x0,y0,clour); //画起点- Z! n6 T2 @' @
x0++; // X轴上加17 {7 V' `- U7 r& N- t# x) l( k# r
if(sub>0) // 判断下下个点的位置9 \2 [& ^" ]* u5 [: M
{
7 h# A0 o: P3 g3 j# b. j( \ y0++; // 为右上相邻点,即(x0+1,y0+1)
' n8 V% t1 `+ u3 } sub+=2*dy-2*dx;: Z/ Q$ @( r) d5 i* @3 P3 y. D
}
3 O7 f8 N. } H; |/ g; o else
9 b# N9 ^0 ^7 c" G# |- g+ C sub+=2*dy; // 判断下下个点的位置
1 @( l# Z; s1 g# O5 n0 w. j" K ] }
: ]2 x) d+ N& [, n. q8 ?$ d Draw_point(x0,y0,clour);; B2 o+ e1 |* f# p" ?
}5 l& h, g# |8 O. T) t$ r( T
else" C4 Y d2 t; _7 C6 o( z2 B
{
" Y6 O2 F* t/ B; h5 i. i8 e; [ sub=2*dy-dx; //靠近Y轴
/ {( h" D ^% }: |4 ? while(y0!=y1)
2 l& N- ]* o! L* E {
. S" x( `( x3 o; B Draw_point(x0,y0,clour); //画起点
# K6 M' c7 e3 J5 q1 C y0++;; N6 z3 a0 d! E
if(sub>0) //判断下下个点的位置
% D: T$ ]1 M7 w8 W1 S! M; b) `; I {
+ ], m. f2 x; ^& s6 H9 } x0++;
+ Y) Z8 m$ p! q* L sub+=2*dx-2*dy;
4 y; b& u$ P( A$ v }' x0 N, |$ j4 m) `; K/ N' h
else
& _2 I8 k+ s9 W! Y$ R. o5 W T sub+=2*dx;; `" g" j- n! ]6 k
}
3 m+ j6 X0 v1 V+ y/ o Draw_point(x0,y0,clour);
6 P/ @4 Q/ ^6 ?% t. F% D }
8 [. c1 \5 {; b C* }, d8 w }
+ Q$ ^2 S3 a( N% }8 ^/ {+ R/ Q else7 P. d7 G+ [( ]) v! A( a! T
{
$ l+ l8 J/ O6 H" ~4 t- T dy=y0-y1;
5 j1 q) L" o" e if(dx>=dy) //靠近X轴
1 L2 a+ f6 B$ J4 W: o& W4 H+ [% \ {" h6 E/ \, `3 [7 T
sub=2*dy-dx; //计算下个点的位置, t: U1 w6 g- A
while(x0!=x1)/ |) S- }$ a& t
{
# A0 I8 j: p# F7 z% y! | Draw_point(x0,y0,clour); //画起点. N& G5 R7 `; Y. g" f- h, C" u5 [
x0++; // X轴上加1. E" W8 S% T% u+ j7 k1 H2 s1 y
if(sub>0) // 判断下下个点的位置" R+ s; D5 U7 _; p( K4 M2 {
{
. e7 c$ L) E( a; Y5 y5 U3 ? y0--; // 为右上相邻点,即(x0+1,y0+1)
& a$ ~7 \; p2 o$ \3 k3 ` sub+=2*dy-2*dx;
- F* }" ?" l. r- r9 J' J }
3 K4 |9 o3 y% B& V: b# \! R else6 m3 j4 u4 W& b0 J
sub+=2*dy; // 判断下下个点的位置/ m! M1 F. l) @+ F
}
: Y5 S% w3 {; @6 a A2 T Draw_point(x0,y0,clour);! q0 l- [) b# x' s* d+ z
}
6 |8 L$ V, b E& @# I else* ~6 \: @. |" T& F: a. R
{
9 i6 f* P0 o& r, s6 z K sub=2*dx-dy; //靠近Y轴
$ X$ c+ S2 h3 G0 r9 e; M( s' Z while(y0!=y1)( F5 a% T* R8 x' y
{
! d/ @2 f ?7 k5 N Draw_point(x0,y0,clour); //画起点! P; Y- s* x5 ^( W* L
y0--;
6 ]4 X \2 m, J- K" _/ H2 m* v# p: p if(sub>0) //判断下下个点的位置
" u; k3 ]% H N! ^1 }" g" [8 r+ k {
$ k! \- u: Y& R5 j$ X+ g* p x0++;
/ X0 w. Q P! }+ ~' M g- L sub+=2*dx-2*dy;8 I! _9 O4 [# T5 ~9 x* W
}
}% @1 L' S( E8 P7 P8 h! M else
& z9 t% Y' X' Q* S5 n. ]6 G sub+=2*dx;) r9 B. m: w: V/ D
}: k: O' D% Y) T- t- g: m
Draw_point(x0,y0,clour);
6 O- a3 O% k @% Z }, ?2 l* k! w4 v
}
! i+ [) H& e ~( S2 u& M }
G6 e5 C% m g$ @9 A, s}$ t2 G7 h. _! x; N! F4 z5 ?9 s
* p: ]$ z' u+ _; O4 v
/****************************2 n, K+ E: }3 d) |4 S
//画任意线$ h; l2 E2 i5 q! o
功能:任意两点间的直线。根据硬件特点,实现加速。- ?" A/ O2 D- g6 `9 U: z$ M5 o
* 入口参数:x0 直线起点所在行的位置
' i0 C3 q1 ^! c* T6 p* y0 直线起点所在列的位置
, a7 f* Z' y# m; V# s7 e; f9 t* x1 直线终点所在行的位置% ]: t+ \; m5 m7 C; X0 K
‘ y1 直线终点所在列的位置
0 }# @) ?) v$ J I* _说明:操作失败原因是指定地址超出缓冲区范围。0 D7 Q! o* r, F" B
******************************
& m1 W3 [+ z3 k/ n+ xvoid GUI_Line8(uchar x0,uchar y0,uchar x1,uchar y1)
% `" y) ~9 y o& V! I{4 N% F% r8 g \8 T" z: I
int temp;
w& L' }) |; `' ?int dx,dy; //定义起点到终点的横、纵坐标增加值2 {- g& N1 G4 |' }) G
int s1,s2,status,i;2 n. C* Q, O' Z) r4 C. B
int Dx,Dy,sub;
% T! U# F8 m4 k1 L
`" Y! p6 M# @5 |4 O# }dx=x1-x0;
5 S' e" j' F9 T, D$ m; s$ @. Y$ Y( Qif(dx>=0) //X的方向是增加的
% f& ^. l0 \1 K$ _, ` | s1=1;2 z$ {" }. H( Z& N0 D, X0 v; f
else //X的方向是降低的! F1 A) q& v. t/ u+ A; o3 t; g5 O
s1=-1;
. v4 ~3 C3 A0 ady=y1-y0; //判断Y的方向是增加还是降到的8 I! v) y9 `" K3 N, m2 k
if(dy>=0)
2 j- i2 I- \. q7 m! `3 J s2=1;
1 F, A; k9 M0 D7 W' melse" H( N- s# x$ A+ g4 @3 j# k" n
s2=-1;0 \: }. U! k3 |2 I! @% t2 D
7 _6 ]2 R' ?' t/ v( q: e8 B; q
Dx=fabs(x1-x0); //计算横、纵标志增加值的绝对值3 {# V/ P0 A7 a \7 O
Dy=fabs(y1-y0);
2 B: ]( E9 r- e" \/ P" C# a& m5 Zif(Dy>Dx) //
/ l% l% b w6 V! |8 G { //以45度角为分界线,靠进Y轴是status=1,靠近X轴是status=0 e* E% I$ b# }# @
temp=Dx;
1 d$ y ]: n9 v Dx=Dy;1 X C8 _. n1 U: n* L% E! F+ B
Dy=temp;
9 {4 ]* o. D, }# Z1 R1 Y N, q status=1;
4 |: \6 ~2 [4 l9 k5 a1 W } $ t. H5 Y2 m% `. O6 a
else
7 N# r( O9 `, y9 c' C' t status=0;% j! k# d1 n2 s3 K2 w: E
+ i; f P, H. E$ V0 ^( E
//////////判断垂直线和水平线////////////
, ]! q H& T2 W3 S; y9 `2 f3 bif(dx==0) //横向上没有增量,画一条水平线2 w! t5 U' e/ D7 i$ L6 y8 x& _
Draw_zhi(x0,y0,y1,1);2 x% P+ ~ S5 s6 N, k
if(dy==0) //纵向上没有增量,画一条垂直线
3 M* t q x7 p& n# ~& e( C Draw_shu(x0,y0,x1,1);
. x1 Y' _% t% Q4 L: k- u/ r5 ~( W
0 g! q! X6 _$ R$ ^
O0 l- _0 T) N. x5 s9 R$ B9 p//////////Bresenham算法画任意两点间的直线////////// 3 h, R9 u) I3 O- }( N8 t, G
sub=2*Dy-Dx; //第1次判断下个点的位置
- Q* P& `) i: m4 A. g for(i=0;i<Dx;i++)
$ T( r- k4 B0 Q2 f; { { 4 a. a& {9 c+ s0 j4 t
Draw_point(x0,y0,1); //画点 2 x3 a0 }+ j5 Z. k( t3 Z n8 |) o: u
if(sub>=0)
) D3 c. A2 C5 d {
t _' {' v6 K$ N if(status==1) //在靠近Y轴区,x值加1
8 l5 v- T7 r, W) | x0+=s1;
; @3 o+ o& W% U5 }3 a D& c else //在靠近X轴区,y值加1 - B8 r; \* h1 v0 W& T! b
y0+=s2;
% ?1 K! p* S0 t1 ^1 e: x# _: d sub-=2*Dx; //判断下下个点的位置 3 a$ o! \/ A" K* R
}
" e3 O7 F6 [$ h$ D if(status==1)
+ n& P/ b- H9 I y0+=s2; 2 x) ~& L% u' T3 t( S! {
else
1 ` c( Y2 ^7 K! N4 x* M x0+=s1;
3 j" M% a% r4 g5 b0 W! [ sub+=2*Dy;
6 |1 A+ h- [- r- B/ I
( L5 J+ c' t# w5 e6 v }
% G- L# ]" v5 o2 S}
, W0 h9 @/ R/ }& t3 b5 A*/
1 q% l: n+ B+ e+ x; p* _' _/ ~8 g/*********************************************************
9 D4 r& R3 U! |6 w/ `, C/ l b
5 Q& k' z; z. {, {' l8 _- ?2 z画圆算法
) B* \" W+ k9 |( C7 m/ tx0表示行的地址 y0表示列的地址 r表示圆的半径
' z% q& o' z4 r( @$ v****************************************/+ y3 q5 x0 `* K, d. r4 [! D; [
+ ~# n9 h6 F N+ Q6 Y( {
void Draw_yuan(uchar x0,uchar y0,uchar r). z, I# z1 D- W% e+ r/ c! I$ N$ F
9 S& i3 O; m7 s& t{
/ E, \# j! M7 @& t4 i$ Q2 q/ C2 Z) r7 f* O% b- D4 R7 ]* d
int a,b;, b+ I+ O# P6 g/ C
- |& c& Q$ ^. i$ j; `$ Xint di;
$ Z1 g$ ^7 L: l2 m. @
+ s+ W% S* I9 P2 i* Ba=0;
! s( Z4 S! f) @5 c- t! \' }) D
; G3 r/ f0 q4 ]( H9 rb=r; //a=0,与b=r为圆的起始点!!然后往下走!!
# w( V; w1 m& m3 x1 n6 a* o8 W5 o& J
di=3-2*r; //判断下个点位置的标志 ??' i# i- s: y. Z: W' O9 p
4 v( B2 L2 @+ `) [+ |1 x) }
while(a<=b) //里面执行完了说明八分之一个圆画完啦!" y2 q. @- Z6 H
3 F2 e& E3 V# p2 i" u9 H
{ @+ A5 Z1 a3 a2 N9 |% T* F+ T
+ `0 U' d& k9 X* l" y2 L% L, WDraw_point(x0-b,y0-a,0); //3
0 o" H3 k( D/ z7 {5 h1 [# z2 T5 k! O& q7 B4 I
Draw_point(x0+b,y0-a,0); //0
! _% A- X1 J* D2 f. i& V H t1 d& n" y' l: {% E$ x: T# C
Draw_point(x0-a,y0+b,0); //1
; h3 H& Z2 P4 a E5 h! J0 e( L+ {
9 X8 [6 x2 N, y* O! [+ b( }* NDraw_point(x0-b,y0-a,0); //7
" a9 p- [3 i! p7 A) H! y
# _4 {0 V% H9 i) u; Q( f6 @Draw_point(x0-a,y0-b,0); //2- m) B8 j! F# Q
0 j# g* H7 Q7 q4 e0 W
Draw_point(x0+b,y0+a,0); //4
( w$ `, z& |1 N6 J( ]9 N, [! i* C n g8 G
Draw_point(x0+a,y0-b,0); //5
" v# z" |& L8 B" f; W$ l1 N! k' A0 s2 X) V% D6 o, e* g0 C3 D! w
Draw_point(x0+a,y0+b,0); //6
* }+ _# f% ]# a4 _
5 l v8 }1 w/ x# l" lDraw_point(x0-b,y0+a,0);
" [& _% g" H; I, R2 G! l4 h
7 [* l/ v8 c: u0 f& j# y$ {( Fa++;
2 |* d+ N9 B- Q
) ^' |# _. ?& ]: Y" ?/***使用Bresenham算法画圆**/# o u3 [& F2 k. `! t3 B& C
5 v* A9 ^& @4 F) f
if(di<0)) S. V5 w- I% S" f+ _
2 b6 t) F1 \" z! Sdi +=4*a+6;
~$ _2 {% C- P. v/ m% x7 i& ^; B# Z! [
else
8 R- L1 T+ M* b/ q% G) w' r/ q6 Z1 ~) y
{
. D. \7 Z7 i. U4 W7 }; @) I6 z0 V. p4 v
di+=10+4*(a-b);
- I9 l- T8 ]% w5 A$ D0 _0 u8 }' k9 w. o
b--;
; f* H$ p7 ~2 l& X w; P4 w" U! S
* G4 t/ p9 F V, r$ e' Z5 c* z}7 ]& d6 R- b2 _
8 F" M# s2 o& I4 t' R! QDraw_point(x0+a,y0+b,0); //可在此处做想法!!!
$ D* N4 u4 Q5 U+ u% ~- v
( V$ b k0 e0 }2 \}
- M E: W* P* [ I% K# Y
+ Y1 ?% |9 ~& a( x! ^+ s1 h}
/ `5 W6 E# Z7 L* M8 F
6 d& a3 i" J6 x3 s6 z7 w, I6 ]# _/ a! R8 T7 _* C: A4 I2 y& g
void main()5 \# E/ o" b( B0 e5 ]0 U
{
# F, P( k1 ?) c delayms(100);5 Z' S9 D$ o$ ^3 m- G. s+ v
LCD_init();
; s- F/ }. |9 p Clear_GDRAM();//必须清2遍彻底清除RAM内数据
h @- K* A$ C, R+ T delayms(50);/ `; R( n$ L( U% A T
Clear_GDRAM();//必须清2遍彻底清除RAM内数据- i0 K! V4 i+ T9 W6 o6 g
delayms(50);
t" [% w/ z" t6 A writecmd(0x01);//加上清楚命令
& D E' i2 e( x2 g8 |$ g) c, F delayms(50);
" L. d+ Y5 m' m" K2 |" w" N1 A while(1)* I2 R) t+ v0 ?. {; E
{9 U- a m6 h! B& y3 H) Q/ G
Draw_zhi(65,126,60,0);//直线
% z/ @2 M; T4 @# M+ P" H% W8 Q8 P3 o Draw_shu(65,124,0,0);//竖线
* }; g. U* }! i2 ]+ O Draw_line(66,0,120,63,0);//画任意线% u$ A' m7 k6 [5 Y' [: C: ^; R, |$ q
Draw_line(66,0,120,30,0);//画任意线9 M& d2 O' \. T
Draw_yuan(31,31,30);//左半屏画圆
$ I" J6 f: A: T/ q+ ] delayms(6000);
. c% P2 o, x1 K$ s Clear_GDRAM();
2 d3 h u+ g0 A. b$ q delayms(60);
" j, u( L; ^" G4 Y" c) M Disp_HZ(0x90+2,hanz,5);//显示汉字+ H+ f& F3 i: l; m. j2 b0 U
Disp_HZ(0x98,hanz2,8);//显示汉字" ^+ o4 b+ x+ `
delayms(6000);
: J* A$ u$ g3 `& d3 b* W writecmd(0x01);//加上清楚命令2 }. g* `4 [. U
delayms(50);
& Q% a! {8 e8 x) K Draw_PM(logo);//显示图片! @/ _" ]7 Y# Z" L" T# ]5 s
delayms(6000);" h; ]7 T) u9 D* ^$ q
Clear_GDRAM();
# W( E/ D) M6 u& g delayms(60);
# l, g8 Q0 b, f3 K } 1 T1 W# n( P4 n$ N- |$ J+ e/ ^
}
$ [7 ~. c% m$ A" r( Z
, X9 L$ B; {+ o- O; O) p7 v/ H, \
% [9 ^3 k, o0 }# f |
|