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玩转12864，划线，画圆，汉字，图片程序9 Q. w9 c. l+ f# ?& Z ], i* d
. v7 L3 P j8 T! o, r7 e/ a: a$ j
12864并行显示：9 X: ]/ Q2 c3 e5 q2 h! Q
/*********************************************************
; k; V6 S B& k+ [. p5 U 功 能：12864并行驱动画任意线段和园以及图片.汉字程序
) u$ }% B: C3 l1 Z* m6 p* A N$ e 单片机：STC12C5A60S2
4 a/ ^$ C$ }2 | 晶 振：11.0592M5 p6 W6 H6 |. R3 k
时 间：2017-3-12 r6 M/ K8 t+ Y/ _. r
作 者：苏义江修改整理（感谢前辈的辛苦）
. R1 L8 X+ {' x! ]8 v 注 释：在多功能试验板成功显示
' G8 q1 \9 N7 `2 H*****************************************************/
, o0 W7 m" c# q* X/ B _* ~ J#include<stc12c5a60s2.h>
8 v* {6 h J0 k; t#include<stdlib.h># p# x5 |3 ^9 i& O
#include<math.h>
1 d& }, I2 Z& s9 H#define uint unsigned int
6 {4 f7 K+ I2 }, u#define uchar unsigned char6 p' ?, [9 i' ^) M/ i( X M. w
#define pi 3.1415926+ W+ G. k: q% O* _9 k# T
#define LCDDATA P0
- k- T; G& {1 H+ w0 |% N0 msbit RS = P2^7;
( ~* I! t4 n/ p `sbit RW = P2^6;
0 y+ k2 ?% Z2 F* u6 e$ ?$ N* U' dsbit EN = P2^5;
! s0 `' N0 y! ]
. b9 N7 |7 T6 duchar code hanz[]= {"玩转12864!"};8 w" ^. G3 L4 E3 q
uchar code hanz2[]={"苏义江爱好单片机"};% g$ B/ U) p8 b7 E# g
uchar code logo[]= { 9 i* n Y8 |& O. ^0 g
//取模方式：纵向字节倒序
1 P6 v/ S3 {3 }8 N+ I' I0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
: X4 H, S; k: `6 j3 {/ U+ Y0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
) q. V* c: Y, `6 u$ ]/ }0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,! ^, i8 X9 x, L+ B8 ?4 O
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
8 q" R0 `( O! S3 g( o$ J- k& o0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
8 }* j+ ?0 V! U3 g6 r2 \2 h0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
" H% E8 U8 G; J) ^! q: g9 P0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,4 e) F6 |5 U! x5 N
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 4 f& }7 K; o: J# u* [3 j
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
( H+ m m. [! P( L( I$ n0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,7 _1 b+ J2 T/ Z. ~# s+ u
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
3 t+ b7 l2 Y0 }' C& D0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
" Q3 i* {( F% o" M& k0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ E% M6 F1 w6 T. e4 Z0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,& ~8 y1 A X3 K' E- n- a
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
- Y3 }1 ^9 p: b, M0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, , y" ], e. b4 v( h# j/ |
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,5 H+ [. Q X- x5 E& O' W( m" [3 I) [
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,* Q+ n0 k7 t; R' M
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
& g0 }2 H+ t1 l3 U2 y! s' F0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 4 s4 `6 I" O* @( S. p( n; ], e+ _
0x00,0x0F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,2 x( K" f5 Q, t3 W+ m9 H* l) W5 p( Z
0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFC,0x00,0x00,0x00,
2 R6 L3 h. H/ X0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0xFF,0xC3,; @) y# l1 D4 c+ e
0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0x66,0x19,0x8C,0x31,
1 \/ q9 m9 c6 Y" e/ k4 _/ `0x00,0x3F,0xFF,0xC3,0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,
$ V: X" X, A. Z& ~) [: m; F; B# f0x66,0x19,0x8C,0x31, 0x00,0x3F,0xFE,0x01,0xFE,0x02,0x39,0x00,
& }3 w5 p; D F9 k2 W: B# G" B0x06,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 0x00,0x3F,0xF8,0x00,+ X8 S! h# K: `# R8 {& z+ `1 ^
0xFE,0x07,0x31,0x80,0xFC,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 8 ?# H- G8 J0 z2 |$ O% z8 b
0x00,0x3F,0xF0,0x00,0xFE,0x06,0x31,0x80,0x78,0x00,0xC0,0x0C,. D* B6 W; {, {
0x66,0x1D,0xDC,0x31, 0x00,0x3F,0xE0,0x01,0xFE,0x06,0x31,0x80,
! ]9 P+ o8 w" M- m0x30,0x00,0xC0,0x0C,0x00,0x19,0xCC,0x30, 0x00,0x3F,0xC0,0x03,
+ a3 T Z0 X" Y0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,0x00,0x18,0x8C,0x00,
3 ~! D% Q7 T4 r8 V9 h. y0x00,0x3F,0xC0,0x03,0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,
% H7 z1 w, x+ |. B0 s9 o0x00,0x18,0x8C,0x00, 0x00,0x3F,0xC0,0x3F,0xFE,0x06,0x31,0x80,
8 N, D- }4 h0 P0x38,0x00,0xC0,0x3D,0x18,0x19,0x8C,0x0C, 0x00,0x3F,0x80,0x7F,2 x0 c9 g# M% a- G
0xFE,0x06,0x31,0x80,0x38,0x00,0xE0,0x3D,0x18,0x19,0x8C,0x1C,
4 [0 c7 ^5 E& Z) m: e; }0x00,0x3F,0x80,0xFF,0xFE,0x06,0x31,0x80,0x18,0x00,0xE0,0x3D,- @; t7 w( G! U
0x18,0x19,0x8C,0x3C, 0x00,0x3F,0x81,0xF3,0xFE,0x07,0x31,0x80,; }. a* I8 [8 j9 K7 ~
0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 0x00,0x3F,0x81,0xF3,
1 ` ~$ c, m1 H4 ?" B0xFE,0x07,0x31,0x80,0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C,
, }6 \7 E9 Q8 e7 j3 B0 `* z0x00,0x3F,0x03,0xC1,0xFE,0x00,0x30,0x00,0x30,0x00,0xE0,0x3F,/ [: S* I1 n9 A" r- t- \
0x18,0x18,0x00,0x0C, 0x00,0x3F,0x03,0xC0,0xFE,0x00,0x30,0x01,9 g+ I4 k+ |1 Z& n
0xF0,0x00,0xE0,0x35,0x18,0x1C,0x00,0x0C, 0x00,0x3F,0x03,0x80,0 v$ C2 s" b6 @9 w b' V' K+ ]( w5 j
0xFE,0x00,0x3C,0x80,0x00,0x00,0xE0,0x0C,0x18,0x0C,0x00,0x18,
+ I$ d) F: T; Z0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
. E4 u- V: A+ _0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,
: t6 y; s$ g, F( n- \3 {: r N6 f0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0xC0,
; y3 t3 P8 M5 s7 B" z g" {5 p0 b0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
9 ?: X# j3 d) L! F- I {0x00,0x3F,0x01,0xC1,0xFE,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,( X6 U& X8 j% b) g4 a" \# W
0xFF,0xFF,0xFF,0xFF, 0x00,0x3F,0x81,0xFF,0xFE,0x00,0x00,0x00,
. h- S5 ?- L3 g* d2 \; i0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0xFF,
) Z: v1 I0 }8 u3 W7 n& g# Y0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, % |3 U( q! y5 B$ F
0x00,0x3F,0x80,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,* ^- A4 P4 X- S6 N8 C& Y9 ^
0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0x7F,0xFE,0x00,0x00,0x00,
6 k8 l3 o! y; S" z, \; u* c0x00,0x00,0x08,0x08,0x00,0x00,0x00,0x00, 0x00,0x3F,0xC0,0x0F,
" D& C1 i2 f+ w) l! J& R0xFE,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00, 3 _9 i/ H1 C9 J0 m4 {9 S F
0x00,0x3F,0xE0,0x01,0xFE,0x01,0x01,0x80,0x00,0x60,0x10,0xD0,$ ?/ [# i4 E3 ^' x$ t. @) D7 ?
0x00,0x00,0x00,0x00, 0x00,0x3F,0xF0,0x01,0xFE,0x04,0x44,0x4C,3 j+ X4 Q2 q! B5 K5 y& t9 d0 |& T: a
0x89,0xB1,0x93,0x70,0x00,0x00,0x00,0x00, 0x00,0x3F,0xF8,0x00,
8 R3 y$ Q. u2 X5 }0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,0x78,0xE3,0xF8,0x3C,
- C4 n( l0 a% I" o3 C- ]1 D0x00,0x3F,0xF8,0x00,0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,8 E8 g) M1 \5 h: a5 ~: M9 Z
0x78,0xE3,0xF8,0x3C, 0x00,0x3F,0xFC,0x01,0xFE,0x0F,0xCF,0xC5,
' Z2 G4 a/ K- @$ [" t0xF2,0x12,0x24,0x30,0x81,0x16,0x48,0x60, 0x00,0x3F,0xFF,0x01,6 R, ] @ x0 D, I6 a- X% `+ T! H
0xFE,0x08,0x08,0x06,0x62,0x12,0x24,0x20,0x82,0x14,0x88,0x40,
: R' w6 b Y$ i* X# Y0x00,0x3F,0xFF,0xFF,0xFE,0x08,0x08,0x06,0x63,0x26,0x26,0x60,- J7 v, V; b8 b$ [8 a f
0x83,0x24,0x88,0x40, 0x00,0x0F,0xFF,0xFF,0xFE,0x07,0x07,0x04,
. c4 F6 M: L& ~ d8 y0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 0x00,0x0F,0xFF,0xFF,
6 k% @4 f0 ^& v" g0xFE,0x07,0x07,0x04,0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39,
2 g3 I+ ^( \( Y; k c7 G y J: g( T0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
3 y S1 E: l2 y+ f. x& S0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
$ V5 Y9 G% w+ n2 T* T, a6 R0 Z0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,) s* \9 O3 R9 f- E4 h5 Y3 j1 F
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, % r# j! Y+ ]# H+ z( b9 _, Z
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
! u$ }# V3 f; d2 d0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
" z3 L4 `- k, t' P$ C0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00," K R- t3 `4 t! W; U+ P
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
5 `7 \1 G9 \- z0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,% p1 u7 k% P5 H* z- _% `, ]
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, A- @: x& e3 R& K2 _5 V' O- f- o7 K
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,5 Z, O2 {" [# U0 v
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
( h$ z" h$ D J% z* A$ T: E0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
! ^$ ^4 S1 n% U0 m( d( m o0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,- p2 B- u5 x5 K2 i( Q, F
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
# F: `( D! C5 Q8 R8 ? b) I0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
, k @. a" E9 q7 p+ ?# i, ~0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,, ]8 v. f7 {2 `5 s7 `# I
0x00,0x00,0x00,0x00 }; //图像数据 % _! |! ^+ W) c5 _7 l; O
3 j. H' `/ o( e1 Z8 ?& L# {
9 i, y5 j# D8 Q/ V. @. e0 P" {1 q
void delay(uchar i) H c5 d3 X& v Q9 l
{
' Y5 |' @. b# D, g* H. `% Z4 N for(;i>0;i--);
7 \( R! h- Y, U4 @, o}
5 P4 Y! F# l h6 evoid delayms( uint i)7 e" y% j0 K& Z+ j/ p7 J
{
) W8 A6 u0 @4 W! O5 i3 z5 t# ^ uint j; : Q$ F! F5 K9 i0 G
for(;i>0;i--) 7 P, i6 k5 Y' V+ b. B7 m. c# v* \$ ?
{ for(j=1000;j>0;j--);}
, _7 m1 I; { u1 t}
9 V2 ^6 a8 }, a9 S& i* |' S//写指令0 S1 p+ C) l+ Y B; C
void writecmd(uchar cmd)//写指令
5 z* ?9 `* q% P8 B- C. E: ?* W{, @" a9 [. B4 k
. ?5 q$ d0 n$ `: f) g4 C
LCDDATA=0x00; 1 C, T# Q; _ [, f$ B* K
RW=0; ! S' I$ {% L: A* K/ J% V) Y f
RS=0;
# s8 V7 O2 K9 T9 Z EN=0; 3 c, x {% O, D% [" C0 W: A. m- F
LCDDATA=cmd; ( V+ {( a$ d0 C. U+ d) Y% O
delay(2);
% q; ?% c+ O8 a6 q! M# Y3 U EN=1;
, F ^# D$ s' d p+ @- U delay(20);
9 K7 |5 @" F* M EN=0;
. @9 b& n7 i* v$ y4 k& n delay(20);
/ m# W+ o! ]2 Y0 m}; A' p% M7 n$ C0 X
//写数据
. b1 d) R6 x" ^' `void writedate(uchar date)
! ]* t( ]" q6 G0 q{$ ?) u. a. b# V1 [* K
//while((readstatus() &0x80 )!=0x00);' @' {0 x& N5 N9 {4 q; w* l3 G: s
LCDDATA=0x00;
; B. z% b+ ?# K1 U8 _5 ?3 e RW=0; 2 r' o; u9 w( g' b7 ~
RS=1; 1 H* b+ M+ A% n$ e+ F
EN=0; # {# U3 c# C, ]6 H+ J( ^1 `
LCDDATA=date;
) E3 s! W& b% r3 f delay(2); - y, E. f. x: I$ t
EN=1;
. L" w' f+ r8 A3 D9 f4 x' V delay(20); - e5 i5 Z: Z% Z# b% ?( t: O
EN=0;; q( u! D, }5 M- @9 {4 d, s& X) s
delay(20);4 _3 Q' Z8 m* F& I: \
}
! b; A1 B$ N# j- ?7 c) {: p//读12864内部数据# S& C) ?# o7 O1 Q
uchar readdate()* g9 H" A6 b5 A+ v. J: q
{2 F: u$ T1 |8 U
uchar i;
' ^3 O1 L5 f/ c/ m0 ?1 m//while((readstatus() &0x80 )!=0x00);! f0 o5 E( o3 ~5 u3 h6 ^8 N
~. Q+ A* `& M9 C6 {- k
RW=1; % k+ }5 M6 d* s! o
RS=1;
8 k- C8 @9 K$ y% y" m; X, U EN=0;* z G6 J, i; a- a) ]) e
delay(10);
9 ?( O/ D5 p0 ~& f EN=1;% f/ @; u) t, w3 ^# P. W9 N) J0 \
LCDDATA=0xff;
& M4 [+ a, u) W4 u- @ delay(10); V9 [' g, ~# f \, Q
EN=0;
+ a" p& @- G7 J! s8 I$ S0 g. m$ F" k4 f8 A; X
EN=1;
1 |5 W/ @. n3 q" G9 k* _4 X" [ LCDDATA=0; 4 Y) s( ?; R9 H! t
delay(10);
1 v% u. j5 C* H0 ~+ b4 R- J
- W! `' S- e* L$ l# O9 u# c delay(10);
7 e* F; Y3 }( }% O2 Y+ g- b. y EN=0;& y; t5 ^& n7 l) P" W, L+ ^
i=LCDDATA;
5 y* U, c$ P3 L) W return i;: }7 q9 N( l# p& r
}
% [8 J! \4 u$ C* i/*******************************************3 b! [7 b) w9 T( Z4 l' Q
! I; ?0 l1 O6 L1 E- M2 G. N- y" n函数名称：LCD_init. |$ h7 o: @# W" h
( r' ^3 V8 ^- _/ B
功 能: 初始化LCD6 I* U: H7 ^ d* m$ q; u5 G
* V" h; @. d# L+ E7 h3 _参 数：无
9 H( O4 ~& U4 S' P" \, ]$ n% W' q9 S+ }% _/ ~3 F) [: b3 s8 @
返回值 ：无) b# h4 z* J' Y; S/ Y( H8 K8 A; P
0 J" b- I$ z- }% X********************************************/
& J/ Q! F* u# ~) J1 V& j* }" l" t6 k6 g" ]
void LCD_init()& p6 |+ l$ w* Q8 H$ x- k
! W3 V9 d$ c8 ~( t K c{/ E d8 g0 B7 R0 t
delayms(30);
t+ {0 S- k/ ~$ H writecmd(0x30);
3 n( X) f' ^% s: b2 v) @' j) W7 m) f, r7 P
delay(20);
9 Q6 F! i# a& e
( A2 i; S% P* M9 r* q7 p" N writecmd(0x30);* ?0 P5 H% l0 L( I7 |7 ^& |5 z1 K
delay(20);6 @5 X+ r% B0 b& i
1 I6 T/ z+ s' n. n3 D7 r1 `# j4 ~ writecmd(0x0c);" U/ {- m6 `# R1 L0 W
' H! M) T: D+ x7 y: O! U+ h
delay(20);
2 x9 g7 n4 P& V/ x# w7 \* d, \5 N$ [& W
writecmd(0x01);
$ K+ p4 ]. @; N& V9 o% k! E% T* f' \% C9 N3 `3 L0 s) t
delay(20);
1 e6 |, m, P" Z- y/ H0 X% v% F
* s; S1 Z) U9 G- k" ~ writecmd(0x06);
& n: o9 q+ Z/ ^4 U1 W g% e) t" X+ g4 H. V9 x- y: C4 @9 h
delay(20);
+ p I8 A' Q1 U( H5 M- K5 L; R8 o* J
) f. A7 j* K( g& m8 S}- w: Z# o6 @2 f+ ^9 ~
//功 能：指定地址输入指定个数的字
0 |/ t4 e8 e3 d, G//addr表示地址 * pt表示数据 num表示数据或汉字个数
* W. }" f& ]3 U) ^7 p0 Y: |2 N# Mvoid Disp_HZ(uchar addr,const uchar * pt,uchar num)
" [7 n5 }: N m: }+ |: {! _# T{" K- c, |$ K9 ?, s
uchar i;
$ l0 ^3 _ \0 n$ K( | writecmd(addr); 7 p! @; _. U. V$ u2 a8 h2 T
for(i = 0;i < (num*2);i++)
5 N% e8 N5 O) L# I" b+ V" ~" l9 d { - `' a& K) y0 h$ d( i5 c6 q
writedate(*(pt++));
+ Z3 z6 i/ Y0 Q% U delayms(1); . B* _6 F, }9 N9 ^7 @" v
}: O# \" H; [: o- E
}; S1 K$ F) @/ o( I( v. S. `
//清内部随机数据
" a5 ~0 V1 a( H% U% Jvoid Clear_GDRAM(void); i3 p: ^: o8 Q3 g: h
{
/ f+ r/ D0 ], X$ Y% c. k* Y uchar x,y,i,j; 9 D1 D, W/ d! B
writecmd(0x34); //打开扩展指令集
: |5 x1 m$ A5 C+ d2 s- L y=0x80;
; z4 m9 E$ y5 n) I x=0x80; . T- {, V9 G8 v* N9 `) H. u3 Y& i5 ]( b
for(i=0;i<32;i++)
D. N; e9 d: _3 w4 L* G6 ]' z) E {
9 C! Z1 P, g& q8 J2 b3 [. l1 h* X writecmd(y);
5 k( S6 @, T4 j" q {6 o( c9 F writecmd(x);
) T: J8 w* @) d for(j=0;j<16;j++) 3 v5 Q6 [# ^% S# b
{ * \3 I. z8 i* i8 u2 ]% F" S" Y
writedate(0x00);* N, g$ S5 I( N8 ?
delay(30);, @) `: [) @0 H) e
}
! l+ N+ L! D0 ]7 [/ T5 E# U; q y++;1 s8 y6 H+ J4 u- X/ j( o6 Z% U1 K
}
* }8 |. x' r9 G y=0x80;
$ @8 q( `. Q( i& f4 R5 i x=0x88;; O: I4 f+ ^8 m$ E G/ x
for(i=0;i<32;i++) , K1 V/ Y* C+ I5 A
{ # h5 U% ]+ ~) v6 U0 h2 ^
writecmd(y); 6 c0 G2 e4 {" R% F+ }0 Q2 S
writecmd(x);
6 g4 U% J) v$ y0 x; @2 _+ ` for(j=0;j<16;j++)
4 C" S) s) P& l" f* ~7 [ {
* h# m* k2 K5 V1 W writedate(0x00);
- B: |' S4 Y* R, e9 s delay(30);
' M7 H& Q$ w1 O8 N' P& t. w } - r; T+ ]& Q. y; \+ n# c0 e
y++;" j3 F9 k, ]7 V: M
}
! J2 U4 D% U5 M" {5 F writecmd(0x30); //回到基本指令集8 b1 \2 W4 j* R* x# W
+ a R. c; m0 p( b
}
) }# K. b# g8 h# x! X5 W: ^//画图片
( X& B. o' f2 A! S) {void Draw_PM(uchar *ptr)5 H) a# s" p7 w4 y
{ * M6 y T- I# Q( m1 w) M
uint x=0; & H' a# y( x3 x1 o
uchar i,j;
2 z* h* [" e; I& B" \7 k writecmd(0x34); //扩展指令动作
6 b' a7 J) h9 `- W, Z% A- a writecmd(0x36); //扩展指令动作 ) C! k! c+ R8 Q& ?' q
X" H% |$ u, F! |$ b for(i=0;i<32;i++) //上半屏显示 3 C6 M: t/ V$ H s! F
{ ( ^) m+ d O6 u1 z$ ?
writecmd(0x80|i); //列位置
6 B4 p! ~; z' F+ G" R# i' G ` writecmd(0x80); //行位置
. l* d* L k3 l$ [9 s& k for(j=0;j<16;j++) //256/8=32 byte
. w) F' s+ }5 S# N: g2 s9 ]' M { //列位置每行自动增加 6 g1 h; _/ y- f2 a
writedate(*ptr); ) L8 I+ A' ^5 S$ X [" x
ptr++;
" B+ j' {) [) K% S' j! n } 4 [: ]4 g D, P2 {7 L' B
} ! z- @% x( s! K" S& d
: ^0 u& G' L6 x. P/ F2 ~$ F for(i=0;i<32;i++) //下半屏显示 9 D8 d' t3 w7 e. m; O
{ % Z' H, ?/ m5 ^- u/ ^9 N
writecmd(0x80|i); //列位置
$ g; E w& L+ A writecmd(0x88); //行位置
1 q% G& y" y4 Q for(j=0;j<16;j++) //256/8=32 byte
4 T, I$ ^. r3 c) y' D) [9 u {
' o n/ R. k/ r7 a writedate(*ptr); ; D! M; {& `# B& }
ptr++; ! T- a( I* q9 B
} 4 x# ^7 P w' j. y' d) u
}
y! a9 z2 q# R7 r8 L4 Z writecmd(0x30); 9 _! z' U, V7 G' t8 S# W- a
& f! i; |% P9 ~# E6 X}
% L# s3 Y& U# D9 v
, I* Y% U! ~6 }/*************************************& ?# Z1 E; M/ ~# `! _
功能描述: 读取绘图RAM中指定坐标的数据
; z5 U F& |" q0 J8 `' ]** 说 明: 参数输入坐标地址，) X* s6 I m: w% s
读取后从坐标地址参数位返回数据,所以，
+ J$ l* S! ` w9 O& T, `& _地址参数在输入前须使用* R; h: Q1 \- \: a
****************************************& {: H, ~5 P. L( c7 L& W8 q) F* N' a
void LCD_Read_dat_I(uchar *xp,uchar *yp)
; S( w$ z/ G$ d, x{
' R+ I" m/ n6 ?1 g7 C4 owritecmd(*yp); //写竖坐标(0x80-0x9f)
: U: C0 f; o3 ` h3 cwritecmd(*xp); //写横坐标(AC地址) 上半屏(0x80-0x87) 下半屏(0x88-0x90)* p7 l; l5 a& E8 `
readdate(); //试读
: K, w" d; P% y) e7 `. F/ M*xp=readdate(); //读高字节并返回给xp
% ?, q+ U. y0 i5 \+ `*yp=readdate(); //读低字节并返回给yp
( J8 X8 o+ u5 L/ K, q+ Q' b}1 e# O, I8 V8 W, K! R' @2 p
*/, ]+ Q# j# i1 R1 q2 k8 x0 o2 q6 |
/*************************************
5 ^2 ~+ \, E7 Q9 D2 `/ f) ~//画点 在整个屏幕上画一个点 X 0~127 Y 0~63
: q/ ?6 T7 Q/ ^4 h2 H9 @8 v/ q3 A功能描述: 指定坐标点画点* S+ }+ ]3 ?2 B8 A$ c5 b* T& Z
** 输 入: unsigned char xp,unsigned char yp,bit dat - _6 X* n7 {) W
X,Y行列坐,dat 1写或0擦除6 q& P" M( i' @( o7 E# M
*******************************************/8 I8 G! x: G1 `) D5 B, |! P
/*- }$ \1 ?$ \) C5 X/ }# E- p8 x, m
void Draw_point(uchar xp,uchar yp,bit dat)
" l( S+ m" [5 j Z{' X y% [% X) r; i. `
uchar xd,rx,ry;- M+ s# P+ Y; Z; m3 K4 y9 i
) Y& S+ h, q: f! J M
xd=xp/0x10; //计算横坐标AC步进
' `& B7 W2 j3 S% S, q xp%=0x10; //计算AC地址位偏移
" |' H2 m. g$ t! [; ]' n: e xp++;
6 U$ a% _& @3 ?; e writecmd(0x34);
c0 H9 t' t# S writecmd(0x36);
& _& R" W- E% I; k" X if(yp>31)& ]# K8 }% X+ v- ^( K
{ //如果yp大于31选下半屏4 D+ k. s$ E, n5 \5 K
yp-=32; //计算yp在下半屏的竖向坐标
, m. O0 L$ s: p2 @ yp+=0x80; //地址命名* Z8 W& E' N' [9 {5 l4 W
xd+=0x88; //下半屏起点地址是0x88,地址命名
- n! v1 E! _' z }, X" V; X4 t9 Q8 [2 A1 l
else
( A" h; X# h# ~# Z6 r3 u { //选上半屏" c9 `* W2 I/ ? g1 J& x
yp+=0x80; //地址命名
, t- b& d. \$ K; }3 s, O xd+=0x80; //上半屏起点地址是0x80,地址命名3 ]7 j4 X! a& c L9 z
}
7 @) A+ Y/ i4 C8 \7 _" m# @ s 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
% a0 I: J' C6 l+ X LCD_Read_dat_I(&rx,&ry); //取当前字节数据7 n9 B/ \6 {& M2 _ p9 ]
writecmd(yp); //重指定当前y地址6 n6 F0 R0 F0 x' C+ g
writecmd(xd); //重指定当前x地址
, m: d, b; a1 e* A6 a Q0 M if(dat)
6 o8 b! {% W- Y% Y! v* V* c! q { //如果是画点' ^, p! r9 F3 S. }7 U/ [' N$ m7 I
if(xp<=8)2 i8 i9 ^' O- i1 C
{ //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). g1 A( d6 m2 ^# k3 A
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
2 m+ _# Z: ~% @: ~ writedate(ry); //读取的低位数据原样写回. m. t, J/ [: W2 l5 G; j9 I
}
$ n* v6 L+ L/ `5 r else! y9 g; z1 l" g8 r
{ //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). l, |- I }( S# } t! D5 t" a
writedate(rx); //读取的高位数据原样写回
) u! z) [' h# W" P# Y1 d 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
8 T1 S- X4 G9 l1 y8 W3 ?) l- ] }$ G7 s+ h, `" T) v% d
}
0 L5 z* y; F) K else
) g D- V; x! E2 u. [. { { //如果是擦除图像/ R- G' i3 k6 f) q+ w7 L
if(xp<=8)
5 V0 [: d8 m! d, f; G% t; X) B { //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)
; v5 c3 r9 m2 J 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* D X9 a! _. m d
writedate(ry); //读取的低位数据原样写回3 a; d. ?9 f1 z& Z
}
/ w" e9 a3 e) [; j N else
& E% c7 I3 w1 s7 m& L# z { //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)
, Z4 U& f7 |/ Q% ^0 ^: L writedate(rx); //读取的高位数据原样写回9 n6 {5 x# a# z' S
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8 \4 U$ O3 m4 i. |- Q* t5 h* F9 W
}
, ]- a! K% W: ~ }) {! Z0 Y. t! F( n/ r
writecmd(0x30);2 N6 R6 n2 u9 I, u' W) k& D
}
M- O, K3 O. q {8 E7 e2 N*/
. ~) d: ` R4 q" V- ?2 y) A) F! Z, M* `; J. x0 x
void Draw_point(uchar X,uchar Y,uchar clour)
/ i0 X0 u' I8 R+ s( H// X行 Y列 clour为0时画点 为其它清除这个点
! g8 h% D. L# D% m{2 ]) L* U: d$ P0 k z
uchar x_pos,y_pos,x_bit; 2 Y5 C1 E, V$ n; S: O
uint read_data1,read_data2,dat1,dat2;
+ n7 N1 v' ^' \0 {' s //计算LCD位置7 Z% p# ?9 Q7 f8 c& X7 y( Y
writecmd(0x34);' Y% F& u( A2 p6 }8 ?
writecmd(0x36); 8 v. {2 l9 P0 t* `/ k- r0 ^
x_pos=X/16; //取16*16首地址 2 w" P1 x, _) Z6 g/ d. w3 ~9 |
if(Y>31) 3 e$ u' j2 Z$ }5 x9 ]
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 + R( A7 n( g3 h6 H, ^
x_bit=X%16; //该点位于所在16bit中的第几位 6 O7 Q5 h- _* w$ r1 \
y_pos=Y%32; 0 z$ }' K% k( I% S) h
// writecmd(0x34);
. L+ D0 s7 D8 O! G1 V, r6 s# s writecmd(0x36);
+ s3 q5 [4 M: z writecmd(0x80+y_pos); / C2 {2 |) u7 f M" Y( e
writecmd(0x80+x_pos); ' \* {' w* v4 y
readdate(); //此处为什么要中上不知道为什么？？？？
! R, Y! N2 C) H% ^) |$ k read_data1 = readdate(); //高八位! 0 W' p/ @ w5 m5 h$ B9 j
read_data2 = readdate(); //低八位！
; n5 j! t! a- {- k: B; E. s% m! u" n if(x_bit<8)
0 T1 l2 p# n5 @7 {. ~9 e" ? { ) n I. o# l% ]0 u! O. u
if(clour==0)
) K N1 b: w0 H0 J; n {
* D: V4 \( N4 Q- u3 v! N0 h dat1=read_data1|(1<<(7-x_bit)); 3 s& h3 `6 ^! l# w( O& ^
} % n1 v' v, N: ?! X/ l: G/ Z# K
else
, d" U+ a3 O1 H" ~ {
( v) x6 ]" ~2 k5 r/ O0 x7 R dat1=read_data1&~(1<<(7-x_bit));
! |2 b% O# G* S) `3 H" a* f+ { } * u$ r y) p D6 `6 n% j+ j4 d
dat2=read_data2;
- b+ b# f" t& x, K% E9 l }5 \ l! e' d5 w1 z6 L: n
else & ]4 f( n% t+ Y2 J4 z
{
. L1 B# p9 M/ N, N; M8 [ dat1=read_data1; 3 b B$ H8 O4 j$ e
if(clour==0)
5 Y/ p) f, E$ U' b8 v {
% H3 A2 B- x* j3 ~. K6 M dat2=read_data2|(1<<(15-x_bit)); B. e! _' H( T) f9 [# E- k
}4 A7 l+ Q1 S a0 M: @
& c) X8 x" ^3 w+ C else
2 H; R1 y3 j# r {
" H) _% w6 N6 c* O dat2=read_data2&~(1<<(15-x_bit));
. G l3 `! j4 [, x8 N% ~ }
# q4 v( B% p5 D7 l6 T* v }) i# @/ }# O/ h$ z: D
) A. e' [4 R$ w: x$ m" Q9 `; J% _% N
writecmd(0x36); 0 v3 n9 z5 Z- z7 Q
writecmd(0x80+y_pos);
1 {9 G2 Q# y/ j* _( D+ ] writecmd(0x80+x_pos); * W% F- M+ s* T
writedate(dat1); / J" S; J& W& Q8 q
writedate(dat2);
1 j8 L6 P _4 K$ k8 { writecmd(0x30); 6 R& p6 c8 O5 o$ ^
}
) Q( I, I4 [; ]
3 y# D l$ ]9 B& f//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& x7 m) R) c9 A7 V# |, f) o
void Draw_zhi(uchar X1,uchar X2,uchar Y,uchar clour)3 V) I7 r3 W) w; H- a. [: L- E6 n! U
{. o' _9 \0 g( b. J9 ^1 Y
uchar i,temp ;# l. c7 Z9 X: l4 S/ V% E0 }& r
if(X1>X2) //X轴上，起点大于终点，交换数据
! {* d( b# m/ ?, n- h {5 ]4 s- d0 R e0 y2 b8 q) \
temp=X2;
. p6 L' B& A4 B' ~% Z7 w. O3 l1 ` X2=X1;3 w# E1 t- l' u+ W4 Q5 c
X1=temp;4 a& ]' w+ ]& a' B
}3 _4 i" `6 O3 k1 C+ H6 f
for(i=X1;i<=X2;i++)0 s: P$ {. ?7 k; }4 o9 n
{
& F' k1 P- r- p8 t0 D Draw_point(i,Y,clour);
6 y+ a& v/ I, C% a: n+ J8 v% G$ g }
* h' g& x: z4 x+ \}
: _# o3 j7 f; }! l# j8 j//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
. A! Y4 i" ?7 ]void Draw_shu(uchar X,uchar Y1,uchar Y2,uchar clour)7 m) E; J+ D) e1 Z
{
9 h- W+ I& c& s7 o( ~8 h. t uchar i ,temp;
6 R* I! B$ o | c3 G/ Z# ?- ?' _ V4 j if(Y1>Y2) //X轴上，起点大于终点，交换数据# z+ A! ]- s3 g. Z5 C9 l
{0 e3 u% A5 T& x( l% G
temp=Y2;
% k/ }. Z7 Z6 Y3 q4 `2 F# ? Y2=Y1;0 {! S( e0 T( A& G' Q
Y1=temp;
9 m% z* ]5 \8 P7 k }
. m g5 ] l+ g5 M5 Z* d$ k for(i=Y1;i<=Y2;i++)* j, |( W9 Z9 _: x# Q
{
* ?0 i& M# h; q' O% ?- q Draw_point(X,i,clour);
7 g6 f/ x+ M; `1 J }
( e. n5 o6 O# F5 l' O}5 z0 h) i9 j$ P
7 E; {, L. D* H: x
/*******************************************6 ?. E+ Q+ Y: ?6 U2 d
函数名称：Draw_line
+ z# W0 l) i) E B2 g4 r6 v功 能：在整个屏幕上画一条线 任一的角度都可以画线！！！！$ b2 d; v% j/ r/ }6 l' e9 g# S
参 数：ptr--指向保存图片位置的指针
8 n7 |) U, n/ J4 Z; G- e返回值 ：无
0 l6 t0 G2 ]6 T0 vclour为0时画点 为其它清除这个点' R7 A. Q8 s: U5 V( o* _% S. Q
********************************************/
0 u+ z0 x1 h6 O( M( y, k* J5 V
. p8 D$ I. F* }! p" fvoid Draw_line(uchar x0,uchar y0,uchar x1,uchar y1,uchar clour)* T4 m/ n t, Z3 ?- Z5 h$ ]
{
; N; {; x% U3 ^/ N+ _2 Y int dx,dy; //定义X.Y轴上增加的变量值
: [0 u' X: k, U, D8 t9 l% ^ int sub;
* ]5 c! ?- X- E4 _7 M int temp; //起点、终点大小比较，交换数据时的中间变量
1 n8 N: M9 b8 c2 \0 v uchar flag;
6 W5 X+ |9 d( R: |! x7 i if(x0>x1) //X轴上，起点大于终点，交换数据& |3 ?" j z( x4 x8 e
{6 \: Z; Q5 i( A- c2 U9 w
temp=x1;4 |* B$ y+ e0 c3 P: h
x1=x0;
8 S1 O! j& ]$ B. a x0=temp;
; p+ c$ Z& R1 _5 E/ x temp=y1; J- p' R# y1 q: [) `
y1=y0;$ K& X' t5 ]0 v$ H# V3 R
y0=temp;# ~! N- R2 S w( Z# d
}2 m7 z8 C: w& o+ I" h d
dx=x1-x0; //X轴方向上的增量' [) `% |" D" n. z
dy=y1-y0; //Y轴方向上的增量% i( H* I! a8 U u* {; l& J
if(dx==0)- D" ?. K1 _2 r3 P! B- N
Draw_shu(x0,y0,y1,clour);( F9 U% C( z5 ]( M
if(dy==0)
( r+ e A3 O8 m2 W5 y6 E Draw_zhi(x0,x1,y0,clour);" ]1 H; I0 J1 B& |4 [
if(dy>0)
" @* Z' X. A% @% R. ^: c/ [ flag=1;: |! y& a8 T) w8 h" Q
else* H. ~2 E- c$ R: B+ g) b0 n
flag=0;. ]5 g+ S/ O% V8 z$ Y. ]- o
if((dx!=0)&&(dy!=0))
8 Q9 b4 H1 {4 i6 t, G, {" \) @# l9 a {6 O4 o- L! S5 c2 @' Y
/* 布兰森汉姆(Bresenham)算法画线 */2 m6 H; _- C D# W" e# }# ^$ d1 }: |# B
if(flag==1)
, d& g* o' J* n; U6 @, V+ A) j- Z {
/ w/ C3 p$ U1 Q: f) b: Q; f$ s if(dx>=dy) //靠近X轴* o+ l3 [. Y* y( U8 S( G2 W$ F
{9 }& B4 F7 l: f$ k! ~& q, q: f
sub=2*dy-dx; //计算下个点的位置' S6 m- C# e2 Z9 l4 T D
while(x0!=x1)
I! W* P5 l @+ G {
% @+ M% B+ i3 q& c1 q6 N* S Draw_point(x0,y0,clour); //画起点
& p* q& F$ A, n. z9 \ C* [ D& \ x0++; // X轴上加1
: E3 z) e: A9 w# T+ M: {9 P if(sub>0) // 判断下下个点的位置
0 S. H$ R8 B; B6 p7 `% c" `8 ?$ Y { n, R$ c/ ^( S* }' f9 X
y0++; // 为右上相邻点，即（x0+1,y0+1）# Y D& M# e9 r
sub+=2*dy-2*dx;
1 U7 h4 c, @' y3 s4 F; \ }
- r( h9 ?* d1 I8 n Z# R7 T else6 j9 F$ V8 h/ f( X7 K
sub+=2*dy; // 判断下下个点的位置. z* y: i$ Z, x& n8 {. V4 H$ S! v
}
/ |0 S6 b) a4 w5 N( q Draw_point(x0,y0,clour);1 Z& X1 t5 X' h/ |" `! Q
}2 }9 a' Q) L; x
else
3 d7 K7 R H9 c {
! ~7 o8 v6 b! U- H sub=2*dy-dx; //靠近Y轴5 S* o+ O; e2 `0 w
while(y0!=y1)) W+ G( |$ A1 @
{
& ^4 A/ r) ^& h; O1 _; E _ Draw_point(x0,y0,clour); //画起点# s U0 X m- D. @# I
y0++;
8 B/ {7 ^$ @" i! F1 [ if(sub>0) //判断下下个点的位置
2 @' Z- g; L# [* u {9 k C, [$ y, {" f* S
x0++;+ g: d, u2 l2 D* c8 L4 \& M! L
sub+=2*dx-2*dy;
+ y: N. l9 M3 ~$ d. `. r5 r+ D }
a1 B4 W R# I' w7 m: W else
0 D( i. m" G/ E# ^+ D+ d- S; P sub+=2*dx;8 {7 a4 x1 X5 | j
}0 m- D$ Z# |$ t) ~, L
Draw_point(x0,y0,clour);) A+ l; V# ?+ R3 ?( x& v3 f4 Z9 T
}
$ ]8 W& v8 `+ s& s" L k1 Q$ G }; {1 G2 ~+ Z2 q) ^. Y8 i: B" r) Y6 y
else
9 z. X F( a9 D5 T {. Z- }5 P+ A9 v4 \: _9 L/ i$ E% `
dy=y0-y1;! i" j& S3 b3 |8 Q
if(dx>=dy) //靠近X轴 h/ ]& a0 L0 V' Y9 e* Q5 v* E
{% @: F9 M# d: o" J
sub=2*dy-dx; //计算下个点的位置- r$ f* @9 ]9 R' ]1 o
while(x0!=x1)
1 s. x1 @! V% H {2 o, b7 G0 ^1 ]" E
Draw_point(x0,y0,clour); //画起点
* \7 _; s1 a0 s" I( X; ^& a x0++; // X轴上加1, }' N' R6 g. P) i! ]5 D
if(sub>0) // 判断下下个点的位置
* o- I$ v' T/ L: b* i& l {
. J. Q2 X. T; `9 B8 M8 i y0--; // 为右上相邻点，即（x0+1,y0+1）8 r# B5 C6 l1 `3 [7 O
sub+=2*dy-2*dx;
$ Q! M6 J; Q5 G/ G4 ^1 ] }+ Q$ F2 k1 [5 G2 @1 |
else' r5 n3 G) ^; ]4 H. U9 v
sub+=2*dy; // 判断下下个点的位置6 G7 P6 B8 O9 f8 B, S, s
}
0 }& h# E- x6 j$ ] Draw_point(x0,y0,clour);0 y. X V+ |) {$ M) o" \& J! z' T
}; W, g% _2 E" {- R# h) ]6 x5 o+ C
else: i5 u3 [& P0 s$ }8 T8 t
{
+ W. |* J) V1 q }6 A sub=2*dx-dy; //靠近Y轴+ ^# ?# r. m* [9 H
while(y0!=y1)+ {; K* C, G0 W t( p# z
{
6 m2 Y5 G5 `$ L0 f8 g+ A+ T: K Draw_point(x0,y0,clour); //画起点) Z# @3 ]; l6 p9 q. j+ u
y0--;
1 W: ~+ L& m- @2 V! Q; v if(sub>0) //判断下下个点的位置
& d+ ]/ f& a5 {6 N {
; H" ]' c- T% u& _& J) W1 T' f; H x0++;9 L( f9 t( m9 y) V5 t- E0 I
sub+=2*dx-2*dy;$ L) H( B5 X, R' {
}' a9 E+ M; @1 M3 q( x2 D. b$ q
else3 O Z/ f v, l$ v( h+ t+ h
sub+=2*dx;( E9 O2 ~/ X* T3 ~+ j5 O* ?9 R0 f6 ?8 _
}" D9 l# _) V) I
Draw_point(x0,y0,clour);
7 E% x5 D9 i0 R$ W/ A }
) |$ q4 ` k4 g0 U' Y& X y2 c }. ~& W% C5 h$ F! ~/ ~& N
}# l2 e {( O. u% P
}. p9 Y' f) O& f6 M$ D2 U
% ?5 T3 H2 D3 l$ r4 k, U3 l b/****************************
' j* {8 Y0 h: _+ ?) o; L @7 P. _//画任意线: `2 f6 x0 {( E8 B3 i4 y4 v
功能：任意两点间的直线。根据硬件特点，实现加速。
* f( L2 n+ w2 P# `7 v: ?$ U7 t* 入口参数：x0 直线起点所在行的位置6 [0 k/ r: o3 \/ b8 J% w
* y0 直线起点所在列的位置
* c& J# G- P j9 \- M7 n* x1 直线终点所在行的位置
8 b; i* ]/ K3 j: [) F& d, Q‘ y1 直线终点所在列的位置
4 j0 |. P+ Q& f: H6 b8 Y' k说明：操作失败原因是指定地址超出缓冲区范围。
+ U4 a3 y& s4 x3 {! I******************************
0 z' ~+ h+ H' [void GUI_Line8(uchar x0,uchar y0,uchar x1,uchar y1)* R- S3 ~4 j+ W$ {* e# O
{
$ T0 m( Z) z$ j- U* |0 G q" u( V% ?int temp;7 F4 I& N( N" {7 {2 T5 W: ~
int dx,dy; //定义起点到终点的横、纵坐标增加值3 N" S: L) ]8 d2 Z8 x
int s1,s2,status,i;- `) P& h7 t$ X' a" K
int Dx,Dy,sub;
8 N2 B5 N% j5 E
1 N/ @8 T6 k6 `) g0 Vdx=x1-x0;
+ }5 }6 ?$ O' tif(dx>=0) //X的方向是增加的
( q3 K2 j, P/ k2 s s1=1; F' O- j4 [! ^% @7 C s5 ?
else //X的方向是降低的4 }$ \: z) o" t. p
s1=-1; 6 s7 M* r2 r% N. z
dy=y1-y0; //判断Y的方向是增加还是降到的* R" l; ?; q" T7 V2 E: O9 v' N7 S
if(dy>=0)6 s% s' E9 }- s
s2=1;& D [" J5 q# {6 E4 |
else a& ]% c% M6 Z& T0 r
s2=-1;+ h7 [3 m7 ~2 N& j2 L. T# ?9 j( ]
9 q" p8 U2 r, g, O7 ] T( ~4 CDx=fabs(x1-x0); //计算横、纵标志增加值的绝对值
8 q& v; F9 c# ?# r) }2 O# bDy=fabs(y1-y0);
6 e: |% r/ J, M# |if(Dy>Dx) //
, J2 n( D/ s; X# C- C: j { //以45度角为分界线，靠进Y轴是status=1,靠近X轴是status=0 % E: _0 H' L" ]% z5 N
temp=Dx;( N4 J4 l4 B x+ W- ` ~0 b
Dx=Dy;
0 o4 j2 d" |- y( p2 w Dy=temp;' H9 h% \9 o- F( Y
status=1;
6 }0 C. k! H3 h+ k V: ]3 n0 b }
7 d+ C& A! p; H8 `else# |: @% D/ x: y( V3 G. U& R0 K
status=0;: v1 A7 U2 ^! y, X; I
& j R- `+ ]4 j! s Y% e
//////////判断垂直线和水平线////////////" Y3 N: s: B# L7 F. l9 f
if(dx==0) //横向上没有增量，画一条水平线
! `6 ?1 S+ h+ Z+ ]8 h3 U! k5 _ Draw_zhi(x0,y0,y1,1);0 S4 A. j+ L- o% ~" O' \
if(dy==0) //纵向上没有增量，画一条垂直线
: I0 ?6 N7 Q' n2 `) }; x2 | Draw_shu(x0,y0,x1,1);
7 U, V% o! t$ {3 N/ t0 _% ?9 t* a4 B* a9 Q) V% Z
; l2 T- h: A' l
//////////Bresenham算法画任意两点间的直线//////////
- D4 K- u9 m+ g/ r* I! c sub=2*Dy-Dx; //第1次判断下个点的位置
3 Y3 |/ Z7 x: R1 s$ q( `2 i for(i=0;i<Dx;i++)
# j8 U, v A( q3 O {
& [ s& ~( q! H6 v# g Draw_point(x0,y0,1); //画点 ! g) `/ s/ t9 k! c
if(sub>=0) 9 S( a: |/ v2 f# s2 j
{
) f d D* y% t4 x. V7 a7 E5 q6 [ if(status==1) //在靠近Y轴区，x值加1' G) `) [. I2 m' z3 G
x0+=s1;
& [. U# _$ i- a8 Z5 }9 ?5 ]# d else //在靠近X轴区，y值加1
, \ q9 P( I& |. L( L$ j y0+=s2;
6 ^. ^6 I, m% O0 P- `* O sub-=2*Dx; //判断下下个点的位置 + l! {; j- v/ w1 j
}
8 C7 K H, k% N$ ] if(status==1)
' Y# p7 P! \, P: y1 k$ X; E y0+=s2; . W% ^: X, R4 V8 O+ [( q: L
else
3 n* d" J7 |+ p& w# W0 W x0+=s1; 7 H# _) c( E' ?! t- z+ C* M" v
sub+=2*Dy;
. ^$ u# h3 G* H* j: \% {% ]% L3 o' h( ]; ~# z
} 3 w. U, ]" @1 n9 f
}, j3 V$ R1 y) ^% }
*/( k# I7 J: |3 w1 h
/*********************************************************1 X- e4 O( [' z6 ~' h3 U! K
) E$ U9 E( q w3 y7 f, B$ }
画圆算法
% b, Y. F& N* {2 X& I3 c' g0 P! ^x0表示行的地址 y0表示列的地址 r表示圆的半径
" m7 n6 e: W, d2 J' |****************************************/
+ } b( W' u* l. @- [" P3 Z- N; E* ~3 N# W! \
void Draw_yuan(uchar x0,uchar y0,uchar r)
2 y8 N3 s$ M5 @& q3 B
4 s- D6 ?' N! w9 U0 t6 q{
. e3 L5 J* m# |. {8 K/ d; G6 @0 ^# w
int a,b;8 I1 `! \* p8 E: |* p
; T. Q1 D" ~7 E
int di;
* S5 l7 ]( S6 c
8 X* u3 S. Z# t4 x# G+ Ka=0;0 c: U& B, U. ]) m2 }% \1 X
6 R+ V- k+ I p) Z. x
b=r; //a=0,与b=r为圆的起始点！！然后往下走！！
; P; `7 y5 B- q/ @6 c, Y- M3 b
% c3 ^% _/ B/ A0 Pdi=3-2*r; //判断下个点位置的标志 ??7 i/ D7 \8 J; T, C; s, q
3 o6 Z* `, [7 j( m S$ }% z
while(a<=b) //里面执行完了说明八分之一个圆画完啦！
3 x1 D6 H) j9 Q
0 a( T5 R+ O/ G' b: B{
: V, z$ c& ~5 y+ e* F7 ^/ r& N
, G! u9 _+ q8 `9 ]# KDraw_point(x0-b,y0-a,0); //3
: U/ v# s9 }& U- u% w- E; _5 d$ x" g. Q9 D7 G+ O: w7 @6 M
Draw_point(x0+b,y0-a,0); //0
! ]/ m' H; h; b. W
; `) o4 k0 Q" I3 P! H f, i( [* k {Draw_point(x0-a,y0+b,0); //1
, Y7 z+ m' `# S2 ~5 U8 A# I, U z7 k
: B7 I2 O; V! p/ U3 P5 i; EDraw_point(x0-b,y0-a,0); //7
. n* i# g; C# g3 I X
* p! u. N1 L4 ~8 T2 o PDraw_point(x0-a,y0-b,0); //2, j" |$ f& [/ d# c/ S" u
! B' U' |7 ~4 ?5 p4 f5 J A* m
Draw_point(x0+b,y0+a,0); //4
+ c0 p) u+ |/ n# `/ v1 T- I7 u, }/ t5 L! G T% J* A( Y: N
Draw_point(x0+a,y0-b,0); //5* S/ u# j$ \8 c" n8 Y
7 }1 R8 \+ v7 ^* X8 `Draw_point(x0+a,y0+b,0); //6
2 R! W8 I0 `! i7 e3 L! C' w2 p$ ]. f- i, k, T3 d
Draw_point(x0-b,y0+a,0);4 A2 t+ j( c) a: Q9 _5 h5 s
) v3 K* B7 O6 l$ P' h
a++;
- r% C9 m/ x) I, a, X
5 w8 x6 w" d' m0 k" r$ k v! {( M/***使用Bresenham算法画圆**/& i& V' M( B- C: f' y
( v, M6 c( o+ j8 I: C/ I7 K: b
if(di<0)' s* B( O/ E9 X8 h
9 ^9 @4 T+ q4 v+ M) T5 ldi +=4*a+6;
4 C8 n- T2 N: Z/ J7 _: M4 A4 H0 l% [1 ]$ q0 L. o) S
else
2 M" S7 l, z! i' ~# |! M3 J# U" V9 s6 Z2 e- s% G0 J n
{4 v) p* \, }6 `7 e7 p! s8 K
5 L. O' Q5 H: k! g+ Bdi+=10+4*(a-b);
( r. t1 P( n$ _/ V0 l5 I, O
5 z# T K' {+ e& Db--;" p) W0 l- y; T1 F5 S; v& |( B
& o, E2 a% z6 t; X' @}
, ^7 ?$ c& v4 t" m, ~* S, F( k
/ `' X; M9 m: B' e; {Draw_point(x0+a,y0+b,0); //可在此处做想法！！！' G r7 V5 M; q0 k: h
9 I$ A9 u+ G( y. f/ k, l}
' ^& ?- r* V. F; a2 O" V& f9 O0 U9 ?3 p- E. S$ [$ C0 c3 e
}9 } j& F0 w& [
$ Z9 e. k* @" `6 x+ _
|/ V/ d4 L! F6 E$ G0 ], r# ^void main()& g6 r) R& C0 x
{% B _! [6 Y2 b- b
delayms(100);
# {5 f7 ~2 n/ q2 w; w( x1 C LCD_init();
6 Q+ m. X" q8 V: z) \ Clear_GDRAM();//必须清2遍彻底清除RAM内数据- v9 w% e: }7 x; ]" f: a+ y
delayms(50);7 Z- w; L+ s# P _
Clear_GDRAM();//必须清2遍彻底清除RAM内数据
' Z: G; K! y) ?: \& H7 R) _ delayms(50);
2 u. q) Q( v% c. ]; m B. y writecmd(0x01);//加上清楚命令7 J4 C0 }* b7 p* l4 {
delayms(50);
- e4 ~1 N9 x$ Z/ e/ _# X! g while(1)
" n- _, M6 n7 t' b& T {' _8 l; G6 F' d* G! W: B
Draw_zhi(65,126,60,0);//直线
0 q' W; }' O. j Draw_shu(65,124,0,0);//竖线3 t: L; z9 X/ N+ `% z) Y2 q5 _( X
Draw_line(66,0,120,63,0);//画任意线
) E: ?+ l/ I, Q) E7 z Draw_line(66,0,120,30,0);//画任意线
' R9 ^/ I; F2 W: ]: D Draw_yuan(31,31,30);//左半屏画圆
- o0 i# S6 d# X' q: | delayms(6000);9 |# T, a2 U# ~, S
Clear_GDRAM();
. D1 J. |/ i# b, e/ S2 z delayms(60);1 W( {; h9 t) a( u E: _
Disp_HZ(0x90+2,hanz,5);//显示汉字2 z; \, F9 x" _( B
Disp_HZ(0x98,hanz2,8);//显示汉字
! Y* b3 M- J* V1 E delayms(6000);
, `+ I5 C) C: J. T writecmd(0x01);//加上清楚命令! a0 W C' d% L$ |6 o/ A( J
delayms(50);
+ L9 f/ L7 J8 `" ^8 ^% o+ O Draw_PM(logo);//显示图片
3 e3 N# z& s3 i1 E: Q delayms(6000);
% j$ b+ ]7 G% W2 q/ G6 ~ Clear_GDRAM();
R8 I& G& k4 B, X( M delayms(60);) Q5 \6 r. V( n! T
} 6 [5 l( r* C4 w' K' r; t3 p: ]5 ^
}
: H- M& h5 \* e2 r, z7 S) o( [; W- J
) N, N4 g1 ~4 v$ l5 n# o8 K1 h! h ^ |
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发表于 2019-1-21 09:42
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