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玩转12864，划线，画圆，汉字，图片程序
# S: }+ v1 ^# y* Q9 x0 I3 U1 s0 b) S1 z o7 S( K
. c* B- N9 r' e! a+ g, h: _/*********************************************************5 V' s5 A9 t2 l# y9 }; g
功 能：12864并行驱动画任意线段和园以及图片.汉字程序
4 i7 h: Z G k+ {7 C8 k8 S 单片机：STC12C5A60S2
. s+ T. Q( a/ D+ P: D8 A1 q; P 晶 振：11.0592M
- O2 u3 B1 q0 n c8 Q 时 间：2017-3-1- }& J5 S' h: i7 v
作 者：苏义江修改整理（感谢前辈的辛苦）& x) J- g2 Y, i5 j
注 释：在多功能试验板成功显示
* M' X% h5 |8 `# h% t( o. E! e8 D*****************************************************/ p: P/ v9 s" Q
#include<stc12c5a60s2.h> H/ L( W9 n' ?( @. E! W
#include<stdlib.h>4 Z3 ~4 K! T) T! _( `# P- S$ ?9 Q
#include<math.h>' ]- t# i6 C/ Z/ R: j5 `$ p
#define uint unsigned int( t1 X4 b I: v4 u. x
#define uchar unsigned char& C! @( x$ h1 O) ?* V. D5 @6 e
#define pi 3.1415926" i7 I- b6 l2 g: l2 o$ S. w* e
#define LCDDATA P0& y! j& O0 C5 t z) m
sbit RS = P2^7; F8 A6 f; ~+ A) }6 ^
sbit RW = P2^6;) H9 s9 O9 |, w" T% {
sbit EN = P2^5;0 u0 h5 b' a$ u" K, T f
uchar code hanz[]= {"玩转12864!"};
& i: y; a3 F e/ Z7 _+ |. z1 x: v9 g2 Cuchar code hanz2[]={"苏义江爱好单片机"};! y9 i8 I+ @. l1 `
uchar code logo[]= { ' g! _8 R; U& h* [
//取模方式：纵向字节倒序
$ d5 l$ o8 K) O: I7 q. ? e0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,. S' d! J9 _# Y0 y4 s0 D
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,# x$ w/ @0 @# q: W; ?
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,6 L, a) S4 O1 d* {( l
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
& a: z' {% N" l6 M+ z* R/ Q( ]/ g0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,$ L8 \! ]7 Y; r: |6 \
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
; c# @* [. M8 V) F( e) X0 z! Y0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,9 n5 p# Y( @, t
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
* l( L1 }% h0 i1 k6 k& B: R0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
" F* w9 ]# t& R& a4 I' p# l1 c4 q0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,& A3 [# X g6 o- d/ U% l
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,9 y) e% y5 e1 ?
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
5 B5 T6 \' l$ \/ |0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,3 C, U0 z+ R i4 l
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,) p- {2 h/ |' u$ m* n+ {6 _8 n" S
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,+ S2 `! W! Q E: P- f4 s
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, $ l0 y2 i! w0 _1 v
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,4 J' W I% y; t; I
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,) P y7 m5 z2 i/ v; }+ {# W
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,. z) v8 T) d1 e/ ], b: T
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0 ?; w: I3 t! M0 k& E7 f i; Q
0x00,0x0F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,) R' [ i; i; z! o. z: y
0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFC,0x00,0x00,0x00,: Z2 Z( Y0 l# ], r1 i. j
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0xFF,0xC3,# k! b9 A/ W; ?. i/ z1 s' Q
0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0x66,0x19,0x8C,0x31,
2 M' m. U, T" e0x00,0x3F,0xFF,0xC3,0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,5 i1 j* m8 j' }/ Y
0x66,0x19,0x8C,0x31, 0x00,0x3F,0xFE,0x01,0xFE,0x02,0x39,0x00,' @9 Q% I) `9 D) m# } t1 U
0x06,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 0x00,0x3F,0xF8,0x00,
+ s( u# m% f8 q1 k& \6 P4 @1 e+ Q0xFE,0x07,0x31,0x80,0xFC,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, ; j! |3 d7 ] f1 B) s
0x00,0x3F,0xF0,0x00,0xFE,0x06,0x31,0x80,0x78,0x00,0xC0,0x0C,! [ B" t7 ?* R) E0 z
0x66,0x1D,0xDC,0x31, 0x00,0x3F,0xE0,0x01,0xFE,0x06,0x31,0x80,
* A+ r* C6 i+ r5 q1 l% d! u0x30,0x00,0xC0,0x0C,0x00,0x19,0xCC,0x30, 0x00,0x3F,0xC0,0x03,/ J4 Y. Y, b2 g6 S4 S6 Y) p" p
0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,0x00,0x18,0x8C,0x00, % c) g. ~3 I- K
0x00,0x3F,0xC0,0x03,0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,: T/ g: M4 f! e
0x00,0x18,0x8C,0x00, 0x00,0x3F,0xC0,0x3F,0xFE,0x06,0x31,0x80,
5 s& I; [' X: F/ e2 ?% D' \0x38,0x00,0xC0,0x3D,0x18,0x19,0x8C,0x0C, 0x00,0x3F,0x80,0x7F,
1 S. e6 |9 w$ O! N) U0xFE,0x06,0x31,0x80,0x38,0x00,0xE0,0x3D,0x18,0x19,0x8C,0x1C,
0 w! @3 U! M, d+ I0x00,0x3F,0x80,0xFF,0xFE,0x06,0x31,0x80,0x18,0x00,0xE0,0x3D,
8 \7 h D+ f/ E3 \0x18,0x19,0x8C,0x3C, 0x00,0x3F,0x81,0xF3,0xFE,0x07,0x31,0x80,
1 G# n# b' @: R0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 0x00,0x3F,0x81,0xF3,6 j6 p( |4 S" F
0xFE,0x07,0x31,0x80,0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 6 G4 W I& l' H" t9 y r" E
0x00,0x3F,0x03,0xC1,0xFE,0x00,0x30,0x00,0x30,0x00,0xE0,0x3F,
9 X3 ?. j- p+ ^+ H* Q0x18,0x18,0x00,0x0C, 0x00,0x3F,0x03,0xC0,0xFE,0x00,0x30,0x01,$ n7 l& Q+ d& E3 T% U/ q. \$ e
0xF0,0x00,0xE0,0x35,0x18,0x1C,0x00,0x0C, 0x00,0x3F,0x03,0x80,
$ Q, k% l/ R m; r: f) P& ^0xFE,0x00,0x3C,0x80,0x00,0x00,0xE0,0x0C,0x18,0x0C,0x00,0x18,
8 k% V1 r+ u D0 H5 J0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,8 x$ o8 I* G- d( [; K
0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,1 S( J3 O9 u( k- Y1 F- z
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0xC0,
) v' `7 T) o# f* V( B/ g/ }' n0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0 h& ?8 I5 m$ _8 k
0x00,0x3F,0x01,0xC1,0xFE,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
. [& w& j* T: a5 S0xFF,0xFF,0xFF,0xFF, 0x00,0x3F,0x81,0xFF,0xFE,0x00,0x00,0x00," {* @2 a& [. J! D
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0xFF,
, H! E( ?( Q) H' D1 E0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
1 p* K6 K# {' x: J, M0x00,0x3F,0x80,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
- C |" E% a) F0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0x7F,0xFE,0x00,0x00,0x00,
& P" c# z; y$ T- C0 L; u0x00,0x00,0x08,0x08,0x00,0x00,0x00,0x00, 0x00,0x3F,0xC0,0x0F, H! H& j( |8 A, l1 ?0 V
0xFE,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,
, n* _/ M* t9 u' C+ {8 {$ r0x00,0x3F,0xE0,0x01,0xFE,0x01,0x01,0x80,0x00,0x60,0x10,0xD0,* ~ _8 \$ U) p* L
0x00,0x00,0x00,0x00, 0x00,0x3F,0xF0,0x01,0xFE,0x04,0x44,0x4C,5 Q( G( o* a9 X) H. }
0x89,0xB1,0x93,0x70,0x00,0x00,0x00,0x00, 0x00,0x3F,0xF8,0x00,* _6 r4 O" F9 @% O6 N
0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,0x78,0xE3,0xF8,0x3C,
+ z- X2 [0 ^. _% Z4 O0x00,0x3F,0xF8,0x00,0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,
" q7 q1 u; t3 y0x78,0xE3,0xF8,0x3C, 0x00,0x3F,0xFC,0x01,0xFE,0x0F,0xCF,0xC5,
2 I, V9 T G) v# S0xF2,0x12,0x24,0x30,0x81,0x16,0x48,0x60, 0x00,0x3F,0xFF,0x01,
4 V) s0 r8 u- L; P# @" u0xFE,0x08,0x08,0x06,0x62,0x12,0x24,0x20,0x82,0x14,0x88,0x40,
; w% h* w. ?$ C0x00,0x3F,0xFF,0xFF,0xFE,0x08,0x08,0x06,0x63,0x26,0x26,0x60,7 ?& h4 \* W2 X+ j$ m
0x83,0x24,0x88,0x40, 0x00,0x0F,0xFF,0xFF,0xFE,0x07,0x07,0x04,
0 V! r8 d) m3 F: G$ c0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 0x00,0x0F,0xFF,0xFF,, I" ~$ e! }' X* K
0xFE,0x07,0x07,0x04,0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 1 O4 Y# x. @; \$ [
0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/ m D# L F, S! v2 N
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,' ]' {" p3 {2 v$ ^
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
: R, K: q4 @9 w' J7 g9 u# K( T0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
4 {# z! `( d5 I0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
1 \; V& S7 P- k% A% S- t9 s0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
7 J. {6 m7 _4 N+ b" R1 D5 r. G1 D# n0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,) z0 d1 X. |: V
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, : b) i$ k2 `& q. _4 Y
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,* L- G) f' D/ Y1 |/ j- [
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0 u3 U( c2 {+ c I0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
: u( E6 s+ R6 D. q0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,: v6 Z4 M! L3 w; g
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,7 t3 ~& I4 e4 w. J# |
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
4 C8 `4 W) J2 u& S0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,! H% M& }: \4 y i
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
% G3 h4 J2 m' P0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
* _9 f8 t6 V$ e( b f7 _) U! m) R0x00,0x00,0x00,0x00 }; //图像数据 & ?6 z3 P+ Y* i" V1 C9 e
1 v: \6 {( o& |* S, X6 t1 ovoid delay(uchar i)! W/ M& p5 T' u! w+ T1 h
{
" G# B" z( ~) ]# B+ r0 o/ e. ~& T for(;i>0;i--);+ h' ^+ d' }. j5 O* [8 d+ X$ z
}+ J- Z* Q4 K# p3 Z
void delayms( uint i)3 w$ k5 `$ L( z) H: K) B
{
* e, C! Z" U& k' \' h uint j;
$ v, P; Z$ C/ b2 a for(;i>0;i--) ( Y4 t( k4 R- d3 m+ a, a
{ for(j=1000;j>0;j--);}
/ W8 Z, x3 f d ?: k5 \}
+ _4 @" h7 R& T2 r% p& a3 N6 K7 x//写指令
5 M% P8 u$ n! y& L7 ]% z2 Y9 yvoid writecmd(uchar cmd)//写指令
# x4 Q) S) V/ H( i* S{% }) E& C4 q' Y0 M* @, d- Y
LCDDATA=0x00; * N! ]. T6 ], K3 J' r. g
RW=0;
6 |) N1 V/ j& B! t' b RS=0; " v* l1 W7 x/ R# T* B. C
EN=0; & w1 e1 m* d* H* Z
LCDDATA=cmd;
6 T3 W& S1 m$ R# O! L delay(2); & \. n M+ o, j
EN=1;
' x7 A' c1 h' n, W- x' } delay(20); / Y* d/ e2 J# @! l
EN=0;; X! i! r- ?0 O; }* h
delay(20);
& s X* }" ^; n( D6 R}
* [ j0 |, e, w1 Q# j//写数据
* B7 \! p' q( _. O6 Lvoid writedate(uchar date)
" W; B9 p3 A; d$ _6 h7 ~{8 G2 H* D! ?9 ]& t4 J
//while((readstatus() &0x80 )!=0x00);2 ?; t& A3 @2 w$ f, b1 [; e
LCDDATA=0x00; 6 Z. {$ A8 w# X, j
RW=0; # O( ^! n$ b+ R# W" ?0 d6 E
RS=1;
W! w" D7 q" j$ t* X& I' k EN=0;
4 ~9 j, e& D* U/ h6 l LCDDATA=date; $ }' c! m' V, r, o
delay(2); , t/ b1 m$ q( u1 Q% B
EN=1;
7 ~& J5 I6 f! K" [6 g delay(20); 1 y6 i. G5 U: t8 I- ~
EN=0;0 r" s9 S9 }1 X) G3 ~ F4 A+ E) B
delay(20);
5 i% ~* `% t/ |/ R}& J9 F/ n% Z# e
//读12864内部数据
5 A1 E. i7 ]4 c5 w8 K; f4 p0 R2 n tuchar readdate()9 r$ N6 N! |: h2 D, w$ l( J! a# ]
{
& Z# P* W. Q7 ~) s+ j L uchar i;1 a! ~; C$ |3 G9 T2 S9 O
//while((readstatus() &0x80 )!=0x00);
& ^5 F" i |# c6 |& ?! @; y9 o }
4 A, ^6 O7 e9 C RW=1;
. ~" k/ g- s/ ?, q( v RS=1;
2 [0 R* v1 W. S- h EN=0;
% w1 g1 N( ]! y% y) D2 z Z9 X& j delay(10);
4 A3 o a* [* z9 `8 f$ s4 I7 d EN=1;
, m2 y y2 X* b5 b7 ~( [; _ LCDDATA=0xff;
) w9 H' s/ g6 } r4 n5 n! |! u* H$ _ delay(10);9 z& e' C% y+ J& c. F: P) j+ O
EN=0; ) H* f3 M y+ R4 e9 X$ o! r: n( M
$ C2 r7 X- _3 m+ F
EN=1;* U9 A( C |! E1 a& Z8 o
LCDDATA=0; 5 r" `$ {9 g% T: e: d
delay(10); # u6 W* }4 y2 s5 \. t! G
k1 D$ Q5 T1 i, b/ R6 V! A
delay(10);
; P! r# f/ C5 W& X EN=0;' m/ I0 \! ?8 ~: C) H
i=LCDDATA;
6 w, I% t& \) n& \8 d return i;) i# y) R" h( t: c6 k
}
# Y5 S, V% p$ B# b; G4 V( L/*******************************************
$ m4 g. X+ }' L- e) a- ]8 W函数名称：LCD_init% y3 P: [! k4 u& A
功 能: 初始化LCD
8 `. o7 b3 e: s8 ^+ e, O参 数：无
4 h0 p0 ~* n1 {返回值 ：无
3 y% V |- k) W/ b" e1 L********************************************/
3 b' z- D9 J1 K0 a( O# w$ Fvoid LCD_init()
8 }$ z' G) C1 U4 M6 M{
; N9 M* m" a8 k+ l7 q9 L, H delayms(30);, S3 H9 g) ]3 F& ~8 e) U
writecmd(0x30);: B8 {- h( M! h3 L, h
7 y9 m! t8 Y, B9 c4 \
delay(20);5 p+ j" ]1 P: X% T% o3 ?
1 z a/ I( u- J) K3 ~3 o
writecmd(0x30);4 r0 G6 |% ]7 _$ T/ `" M
delay(20);7 l: C, o' G" x+ Q9 e
0 u9 n5 V8 S: ^$ Y/ Y, {0 L writecmd(0x0c);! s6 p, u; j/ H* y" H
& `& m6 U3 C7 q! K# L g. b delay(20);- T- ~! ^; u% S. n# T# L
* j% ?" c& D/ Q" G writecmd(0x01);
- ` S- M* g8 } T6 t1 W( o 3 n3 u" ~1 E3 i$ B% k
delay(20);
# @( G0 ]3 }+ I* u, E* Y" j! f 3 b6 {" E9 A( u/ Q% ^
writecmd(0x06);
/ k2 P: M, D/ n9 }: _! h & K, A4 ]8 C7 i- ?. Z
delay(20);
1 m0 N. n8 r' d+ d8 d3 ?8 ^# b}
6 N% n$ P' Q5 W% s' S//功 能：指定地址输入指定个数的字% O4 M! B; J& A$ q# ^# \' z
//addr表示地址 * pt表示数据 num表示数据或汉字个数: z' e @0 y( x- e( T/ p
void Disp_HZ(uchar addr,const uchar * pt,uchar num)
2 b9 l0 x* z3 F, ?* G* X& L{
/ I! n3 o: a- \( L Z uchar i; - y9 P9 W5 ?* I. a# o5 w
writecmd(addr);
5 V6 o( @& |8 v) v, r% Q for(i = 0;i < (num*2);i++) " y) N5 u; I, ?: O2 T- w
{
+ R# w ?' y2 h writedate(*(pt++));
6 R, ~% ^. b& _$ A" Z. ^7 d6 @1 v delayms(1); , y, K' j) f7 C6 ^. G
}
, h* D, u2 i4 s: g% o}
9 R, j* R+ b' j( I//清内部随机数据
* b- z) ]% {0 V5 C* h+ |/ ^void Clear_GDRAM(void)
3 {& |$ H: F$ t2 E. a3 c{, M' Z, I( {* j! a
uchar x,y,i,j;
) R# @: F5 r9 M3 p! |; b! l/ c writecmd(0x34); //打开扩展指令集 ! ?) X) k) M+ i- A# _* M7 d! x& e
y=0x80; 5 J) F: D2 ^; C
x=0x80;
. m1 m* a. R7 p! V for(i=0;i<32;i++)
4 |$ x i3 N/ W9 V {
. l1 Z$ l0 o& O& R/ j8 a" [) ] writecmd(y);
8 C( K! C6 j% R8 V6 j8 N; I writecmd(x); ' N; g" h1 J+ }' |* ^% ~
for(j=0;j<16;j++) ) }4 x1 P3 b2 e+ @2 a
{
: ~0 J1 Y. ?4 W writedate(0x00);
+ i* M. c- D! g8 H' x) V1 {1 i2 i6 d/ @ delay(30);+ m& @; `8 i: L
}
) F! ~0 |' d7 T/ q( E y++;
9 E7 ?0 s: ]6 }7 U }! s r. u$ L. n! H1 |- X. P4 v
y=0x80; 9 O' N5 A0 o! t x) f% ~+ J) A
x=0x88;
8 R; N/ T8 A; ^ for(i=0;i<32;i++) T9 C3 G6 W% f7 K/ Q# _! }& o" ]
{
! A% ?8 i, x- N/ j2 G6 x: n writecmd(y); " _; ]# e* F s6 [4 h
writecmd(x); 7 c( `0 W9 R0 c: [
for(j=0;j<16;j++) 9 J5 R8 N$ W) J! m
{ ( \9 e6 F% m4 ~9 W8 ~
writedate(0x00);
2 |) q1 f) X+ S5 g delay(30);( X& n* H; ^2 M6 W, l/ U+ P0 x
}
9 x) {2 i. b6 s6 D9 y( M" a1 a. _ y++;3 Y; L+ H( \/ J% l% e: J/ Y
}4 x3 m( H6 a& B2 o# l
writecmd(0x30); //回到基本指令集2 j6 @; D: F! n7 V Z1 t
5 r* f4 U& f1 ~! l+ z1 T* A+ x}
" I L+ a0 m" \//画图片: T" ^6 U7 A! m) I
void Draw_PM(uchar *ptr)
) W- |* S. `6 U" R4 @{
' K+ @. `6 m, {% i' c2 m, v% i uint x=0; ) B' y% r3 y) U. L8 u( J \
uchar i,j; W0 c9 J \3 p6 b) h# ]5 {+ P) i
writecmd(0x34); //扩展指令动作$ I" H& _7 j1 {6 \1 @
writecmd(0x36); //扩展指令动作
* |! v, s" H& {- Y for(i=0;i<32;i++) //上半屏显示 ; V" T' @5 a( ~: c* E
{
6 }. V, `) D+ G+ l writecmd(0x80|i); //列位置
; J. S# r Y6 [- s* W* b9 I& i writecmd(0x80); //行位置 6 C. U$ I. T; b }) I9 {* d
for(j=0;j<16;j++) //256/8=32 byte ) `. |+ M6 u+ @6 T8 U% q
{ //列位置每行自动增加 . ]- w: t; m1 T( J% ~2 X8 ^% T( W
writedate(*ptr); ' J- o7 f3 l! h3 J! D3 Q: V
ptr++;
! ^/ y% c1 N! o0 Q" [- i } 6 k( {9 x( M/ b) C* W5 Z: b
}
3 u: v" a) B0 U. H: }% a for(i=0;i<32;i++) //下半屏显示
9 U6 r% k' F1 u6 r( z { : \' {1 d i) @4 K: K
writecmd(0x80|i); //列位置 1 S" S' G- O+ i$ j0 a9 M, Z" }
writecmd(0x88); //行位置
# g3 ~. q" X6 f8 Q# {0 o+ T for(j=0;j<16;j++) //256/8=32 byte
8 F/ T$ W! O3 f { ! U+ ]/ X8 @. p3 ^' O
writedate(*ptr);
6 d( z+ _7 }3 V ptr++; $ M( d* M2 t9 m- s: e
} + U% K$ D9 n3 `, v
}
' B3 X1 _2 T W2 V) J" s writecmd(0x30); J8 j" F7 P, A1 N! k& ]* u6 e$ O
}6 H% T8 a E$ m
/*************************************2 m% l6 V/ ]4 X# B$ L# C
功能描述: 读取绘图RAM中指定坐标的数据5 g3 [: j5 ?- s# c+ b
** 说 明: 参数输入坐标地址，" r$ C% q0 Z; S" D4 I. o
读取后从坐标地址参数位返回数据,所以，
T9 b# g# q+ K! k/ g* e1 S地址参数在输入前须使用. N; B" j" I4 j7 q3 Z- u: \# b
****************************************
% d1 H* e( K2 {8 r+ fvoid LCD_Read_dat_I(uchar *xp,uchar *yp)
* n' j0 l. z2 J, h7 f8 k{; D! E' ]2 q6 I: @6 d
writecmd(*yp); //写竖坐标(0x80-0x9f)
; j' `4 p: J+ ^ V" B; A6 Zwritecmd(*xp); //写横坐标(AC地址) 上半屏(0x80-0x87) 下半屏(0x88-0x90). ]( W1 F% V3 P* I2 B& |& [8 v8 ^
readdate(); //试读( b9 F) H) x; m: r
*xp=readdate(); //读高字节并返回给xp1 O4 i+ V- O6 a0 L, u" n
*yp=readdate(); //读低字节并返回给yp
( u g7 p5 e& b- w9 y2 B}4 f. j! {: y3 x$ {' P0 ?6 ^: q
*/
. g' ~; w) {% h+ x4 q/*************************************
- z. p1 ~& o3 [5 W! \; T4 q//画点 在整个屏幕上画一个点 X 0~127 Y 0~63
# j* H1 c8 E) K/ t* _5 x: y- B' @功能描述: 指定坐标点画点0 |) I8 g) ~8 D6 g- w* T" @$ r
** 输 入: unsigned char xp,unsigned char yp,bit dat 6 B0 j5 H1 ?- R! X0 f" Z
X,Y行列坐,dat 1写或0擦除
4 C* y: e$ \) j- C*******************************************/
6 f+ h# Y* y4 |; c/*! e! V5 }) M; P4 W4 S# }: _
void Draw_point(uchar xp,uchar yp,bit dat)3 }" P, v& m8 s0 v! E5 [$ |
{
* ~+ A, |& N8 N uchar xd,rx,ry;# s [7 {, f( Q; o8 {
$ d+ k+ _# P4 `* b, B& b
xd=xp/0x10; //计算横坐标AC步进
. u9 z* ^9 G! }* {/ p7 b0 | xp%=0x10; //计算AC地址位偏移
* U) p5 U# @3 T. g9 D! I8 n xp++;
) [+ R& h! k" [+ r writecmd(0x34); " {: o- I0 C# E* o
writecmd(0x36);9 i9 A! b3 v/ u- S9 J1 N# t
if(yp>31)
{+ D1 [- P" Q# m7 e* n { //如果yp大于31选下半屏8 {% g% Z: p/ G% r
yp-=32; //计算yp在下半屏的竖向坐标2 F' \# O3 Q9 E w. T) f
yp+=0x80; //地址命名
! w- _4 ], X- I6 A xd+=0x88; //下半屏起点地址是0x88,地址命名
% T1 B: z4 L+ R }! Y. \6 C7 D4 I- n
else
$ X: M% w% O: N0 o5 p { //选上半屏! e$ d" n3 E: D0 C% K9 u1 r
yp+=0x80; //地址命名
o* y3 V) M' F3 @7 G {1 R xd+=0x80; //上半屏起点地址是0x80,地址命名
" n" X1 s& S; N4 k5 h3 A% ~ }
$ o% \& o( k; x" h7 p 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
D7 K- \( h5 j( B3 o# E1 I* N$ U LCD_Read_dat_I(&rx,&ry); //取当前字节数据
9 g, n( x8 c# l: ` writecmd(yp); //重指定当前y地址+ l6 c( j- Q8 v2 d8 ^! A- X% G
writecmd(xd); //重指定当前x地址 J( _5 U Y7 U
if(dat)$ m& g" N9 I0 c1 P- \
{ //如果是画点8 W1 n; X: f _! Z7 A
if(xp<=8)
8 h0 z) r1 V" Q; d5 c" n; h* [ { //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)
0 N( b( I8 {! Z4 I' c7 S6 B) q 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) U9 q8 q8 Y8 O1 Z
writedate(ry); //读取的低位数据原样写回
2 E0 y0 `% S/ D, N; m! z }* U2 r) ~ Q. d: p8 E" p
else
' _" ]9 j" [# v8 c0 C; B1 T. g1 c { //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)
$ ?3 ^6 A# i+ n# s- ~; o6 e writedate(rx); //读取的高位数据原样写回
+ ?" u0 C% C: {; i9 a 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# O M+ \1 h4 _5 P6 X1 w; r9 @
}
0 u5 P$ {% i3 O' X2 B' B- m9 V }+ ^; ?! B- T6 d3 a
else. ]6 M( j- K& z( Y: d6 ]; Y
{ //如果是擦除图像3 X q5 d1 ^/ p4 Q6 w
if(xp<=8)2 L- m0 o# 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)
6 R( I& |: P8 c( t9 P+ } 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$ G( D- U g3 M# {
writedate(ry); //读取的低位数据原样写回
, ^+ h M* i# u. P+ L }
+ {' H+ T/ }) O1 `$ L1 g2 T! Z4 [ else$ K$ |0 z+ T) n, c0 X3 S+ a
{ //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)* i7 ?7 i- P1 E: i
writedate(rx); //读取的高位数据原样写回
5 }9 m4 N3 Z7 Y `7 H 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
3 o0 h& F [9 Y: ? }$ j: K5 m7 K# v. z, L6 g' `# F
}3 |1 V/ \; C7 O$ r
writecmd(0x30);4 H' @! x6 |. G3 y' f9 R
}% ?5 S6 J9 E2 g% D* E' @4 g
*/2 l, g% s0 }$ R& x4 F% q
void Draw_point(uchar X,uchar Y,uchar clour)
; V2 c+ m5 a, h5 e7 C' E, G// X行 Y列 clour为0时画点 为其它清除这个点
' I- `) S0 n7 d3 o) Z{
5 ]1 |9 s& [, J" G uchar x_pos,y_pos,x_bit; & K- r) ~( e1 y1 e0 x( Q7 J- u
uint read_data1,read_data2,dat1,dat2;
3 J( w. ^0 G7 P0 m% Y //计算LCD位置
; V% ]. `" C; C- h$ W# x writecmd(0x34);) K6 D" ]% R. S( c* i0 w
writecmd(0x36);
$ \1 O" ^5 Q$ t8 L+ A# f x_pos=X/16; //取16*16首地址 1 S" O; O t& m( L
if(Y>31)
, K# g0 y% t+ {5 Q2 j) c 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
' g9 b$ F1 E7 d, a. ?5 K x_bit=X%16; //该点位于所在16bit中的第几位
9 x8 l! ~6 Y! ?0 Z y_pos=Y%32;
1 E5 n. n6 u2 ?2 x4 l' f// writecmd(0x34);
1 c8 P) v c/ C# a# W7 f( m writecmd(0x36);1 l' A- f' e. v
writecmd(0x80+y_pos); " t' W% U! A* ]
writecmd(0x80+x_pos); * v! w4 s6 }! B! a/ ~- b
readdate(); //此处为什么要中上不知道为什么？？？？
4 M1 C) s$ |/ i# r+ {' ~3 l read_data1 = readdate(); //高八位!
7 H* m0 \; G5 h read_data2 = readdate(); //低八位！
- i$ V W2 d3 D, R5 q if(x_bit<8)
! K. ~0 R3 f' U/ L% O" x! f/ L0 d {
. _2 A: Z9 n- A; L% x& @7 B if(clour==0) 9 k7 V, a5 ^3 w1 @$ n! G* E1 `
{
$ K0 X0 K( P2 p3 T( z, {, _ dat1=read_data1|(1<<(7-x_bit));
1 f8 t; d$ l W4 r } 9 Q$ r- r) R' K7 T# r B" H6 t
else
$ g0 _) d0 {% v( P {
& E3 e# H$ M% D4 X4 f% t1 u dat1=read_data1&~(1<<(7-x_bit)); 8 g6 q) _+ t& L& x* @" m
} ' p9 @) [& U d, }7 W0 O* ^
dat2=read_data2;
2 V/ @' q/ V4 K- D }0 I0 S0 c7 r5 i! ]; M
else
0 v; _+ d2 b* t$ J' e5 a7 F- S- i3 \ {
) P; h$ U" P5 Z1 S c+ R1 P5 ^5 m3 p, O dat1=read_data1;
5 i8 o* G/ w$ q) r) M2 p- y' ] if(clour==0) * _. }0 h6 n9 x( t/ d) l
{ # o' W% U+ @, S2 L
dat2=read_data2|(1<<(15-x_bit));
" o4 O" V& T' h* ~4 i& \9 g }
, Y- B* K: Y |1 E% I5 Q. G) E
8 M3 \0 _* ~3 t1 j2 G# C else
7 H+ D9 u8 i8 s* ?/ m, T { % A6 M( Q8 U' `, S, }) I/ s
dat2=read_data2&~(1<<(15-x_bit));
- f" [8 E; E0 i }
. I" V: B* D9 [6 Y/ v+ ^ l }
7 \1 a, D3 H6 z: }" P3 s$ ^ writecmd(0x36); / S& Z# B! V) d$ \. g. g
writecmd(0x80+y_pos); / v& `7 ]# L5 C6 o# s* L3 L% A
writecmd(0x80+x_pos);
" Z) _+ |! j. ^$ v0 @3 H j writedate(dat1);
4 e* t/ o0 i1 N. A, D4 C O writedate(dat2); * a. Y7 a5 p8 _7 M5 Y% J* x
writecmd(0x30);
9 ^! s/ C% _- k+ i: Q}, D7 E% r1 L7 y" e: G( h* `2 y5 T
//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4 b% y# b3 m* v: q: f. B% _. O
void Draw_zhi(uchar X1,uchar X2,uchar Y,uchar clour)
$ ^7 p% H2 U8 K0 A. F{9 } t7 e. A% y8 q; u+ I: A
uchar i,temp ;2 P+ o, r9 | y+ ?; ~8 o
if(X1>X2) //X轴上，起点大于终点，交换数据0 ?* L/ t$ H( H) A0 y8 N
{4 e% l5 E( Z* f# S$ n; @
temp=X2;
* H6 T6 F5 i0 L X2=X1;7 d/ n& l+ T8 f5 ~8 k
X1=temp;
& T( Y% ]" s7 y' g$ _ }
# u$ G' z$ s' X$ y" t for(i=X1;i<=X2;i++)) s1 C8 O& r {0 l7 }* I
{8 @2 G8 X3 x, m3 `5 e: V
Draw_point(i,Y,clour);$ K; e' r" m' K' N
}
, S* |! [5 F) ~& ?9 F: @6 M, n}
; [! a9 g4 [4 `//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# }) o# h& e4 n+ q4 m8 K. B
void Draw_shu(uchar X,uchar Y1,uchar Y2,uchar clour)
4 f& }5 U& G5 c: M{/ |. D# v% ~- Q. v. s
uchar i ,temp;$ Y, R6 V' q$ l! U0 L0 G
if(Y1>Y2) //X轴上，起点大于终点，交换数据
: k& r, v. j0 K( L5 K$ a3 P3 b8 j {- N% w2 Y: ^9 X) m
temp=Y2;
! Z$ n- l2 ~9 u Y2=Y1;& s; |" P. a: |7 i: J. L4 y. U. L1 d( Z
Y1=temp;' J+ @4 Z$ E2 r& J
}
4 x, `+ t" W4 P( v for(i=Y1;i<=Y2;i++)( i5 w! e" j/ N! s7 w* n- {
{# M# v/ m: T+ `
Draw_point(X,i,clour);) }2 k4 P" `$ G( P" G
}
! b% v8 _' {; J3 h0 ~}
3 q- z2 l* H% ?. i. T6 E/*******************************************5 B4 V/ i0 V. j4 B
函数名称：Draw_line
1 W2 g# I `8 R4 P" L1 o/ W4 U功 能：在整个屏幕上画一条线 任一的角度都可以画线！！！！4 p! _1 q: O+ v. q) T5 I) u$ l
参 数：ptr--指向保存图片位置的指针 t' b/ K. X6 i' A
返回值 ：无
) p8 o. {, l# d+ Q) S+ Jclour为0时画点 为其它清除这个点
) j/ O0 o) N3 V" T, c1 _* n. P********************************************/
; H; Z1 l; _# {, |8 c/ g- `4 gvoid Draw_line(uchar x0,uchar y0,uchar x1,uchar y1,uchar clour)2 o- @: O0 x6 B) Y
{
# H0 M% ^2 r4 X4 M: e int dx,dy; //定义X.Y轴上增加的变量值
, z5 S" ^1 m, T8 u( p int sub;
, g9 D# {, f- m8 _! `. m int temp; //起点、终点大小比较，交换数据时的中间变量
6 z2 H$ g, p# d2 w% `) P uchar flag;+ E4 i0 l3 X/ H' K
if(x0>x1) //X轴上，起点大于终点，交换数据$ ]; m+ i( j3 [, l! f+ M; S
{
$ |1 g7 P0 f% ~ temp=x1;
' `2 g0 e5 r/ f4 Q: ? x1=x0;
9 U( R6 m$ {+ Y6 D3 _& S a x0=temp;
2 l, N( C; Q" A Z temp=y1;2 u G4 G# f% E/ r1 C, ?
y1=y0;' x* A7 f) a1 n" A: k* I. R% O! Z
y0=temp;
, E0 U8 g6 ]9 f, q. ~# ]) s1 o2 l0 H }$ k0 k* W! \ }9 z) w" I( D) I; y
dx=x1-x0; //X轴方向上的增量
1 z6 G* I$ y$ `) d5 v7 a' y! B$ P dy=y1-y0; //Y轴方向上的增量
! J( F6 c9 n- ?. c if(dx==0)
. r4 _7 z1 l9 s5 l8 Q Draw_shu(x0,y0,y1,clour);" r- M* B6 i9 Q3 ?
if(dy==0)
9 [: V& T0 W' C+ e$ { n Draw_zhi(x0,x1,y0,clour);
( O+ H5 D& i% @3 C6 y0 | if(dy>0)8 j6 I7 [6 k+ W l* ]; Z5 ?' X
flag=1;7 g' X( s: \2 x* a) {
else
5 u) h9 `3 s0 s flag=0;
1 n- X6 k1 A# K9 k( \- z' ?/ } if((dx!=0)&&(dy!=0))8 {1 T7 _" l+ M' n8 w& F
{* ~3 c( M. j k
/* 布兰森汉姆(Bresenham)算法画线 */
5 g3 c7 f! \) h, H. b# L6 A if(flag==1)# F+ X5 j) E6 Q. n" x" [
{
0 b! v% |" \ _, G9 f if(dx>=dy) //靠近X轴
. V. U. c" m) W# ?) }8 O l- | {
\8 e# a$ b* v7 k; r8 V6 c sub=2*dy-dx; //计算下个点的位置
% l( t2 K; @! E3 w/ W3 r% |: M while(x0!=x1)
+ [$ E( t. L1 m& K7 G* H) @ {
x/ B0 r( {! N$ R+ O8 ~9 c+ B- v Draw_point(x0,y0,clour); //画起点
5 k. X! S0 k" c* S& | x0++; // X轴上加1; ?( K3 p7 }- m- M( D
if(sub>0) // 判断下下个点的位置 S. Y6 d2 t# ^0 N; ^- [5 p, Q6 ^" N r
{
+ G% B3 q/ G" l% t# e3 y5 N8 @ y0++; // 为右上相邻点，即（x0+1,y0+1）& b. { P% q, A# D% B! w L) G
sub+=2*dy-2*dx;
. T0 @2 L( u1 U& Q% }3 P. j }( P) D0 \: }! V; [' U. x
else" ]# M V" q; Y9 q1 W, p
sub+=2*dy; // 判断下下个点的位置1 h& d6 B2 z' _" {* O: m2 w" Y
}
3 b# t+ N' c# ^ Draw_point(x0,y0,clour);4 s( k" N$ W N S- u k
}1 ~8 ~; g6 O! _
else
9 C7 m- a$ \+ m {
5 r7 q0 W3 R0 `4 X sub=2*dy-dx; //靠近Y轴
6 ^! c2 A. ?, r while(y0!=y1)) }; z% A8 c6 E
{" ?0 {3 J) b1 A/ Z
Draw_point(x0,y0,clour); //画起点
, ~' F$ u7 F! X1 ]) m# J8 l y0++;
0 `" {4 S# u6 D0 L- E) X6 s if(sub>0) //判断下下个点的位置
' U$ Q) w( d8 K7 _1 f& S {! w8 i v: i; @0 Z& T
x0++; ?, N7 j ^/ n8 |& q; _7 Z
sub+=2*dx-2*dy;
3 n0 n% l) T+ E6 w* M5 V* m }3 u3 j0 k( Q! j7 t" I0 }9 b0 I
else& t# h( p/ T c& }
sub+=2*dx;
3 K; J1 J' P( d0 { F }
( P3 V5 J- x3 r1 |/ G4 ` Draw_point(x0,y0,clour);
9 s* a- Z2 L9 T }
8 z0 J/ X1 Z! s, F1 T- \! t }
" K2 R. g# R$ n* m2 z else! r) v+ j) U/ j* L: i
{! u5 y& A/ C: \! L# W0 C) C& E
dy=y0-y1;& B3 a8 s5 O+ N% t/ n# |
if(dx>=dy) //靠近X轴. r8 b9 f2 I3 O3 [) {
{7 e- e0 S- s( i) s; |4 [# l# ^
sub=2*dy-dx; //计算下个点的位置( w/ D1 |8 w: N+ v
while(x0!=x1)
{' Y/ l g( F/ r. x0 M {
/ w- \" V& r. p( B6 P/ o1 z Draw_point(x0,y0,clour); //画起点* G" Z+ ]' Z# ]8 H/ K+ g8 J
x0++; // X轴上加1
0 \, F0 }1 ]5 I if(sub>0) // 判断下下个点的位置7 `) m5 O. v; Z# W: l2 C4 I0 k
{/ f9 K0 m9 J3 S! V1 B' S2 t# }
y0--; // 为右上相邻点，即（x0+1,y0+1）% P/ n2 {# K& _6 Z. l7 F
sub+=2*dy-2*dx;
0 C1 K6 q9 D! a- S( N }, G, f. X8 r4 G
else. O! f0 B1 x5 A/ F" } p6 N) ^0 R
sub+=2*dy; // 判断下下个点的位置1 P" f# k6 h; x2 L& p% ^
}
+ `( w5 d( ^* t! y i: I Draw_point(x0,y0,clour);' M( Z6 S- y y% |9 ?$ y
}8 x; U4 ], O( \) h( u# _
else
: ?+ j5 Y3 @7 G) C3 n( M: A7 O {4 n9 \0 m: [+ x" w9 z6 Z6 s
sub=2*dx-dy; //靠近Y轴
3 p2 W8 E0 F0 S' M$ i/ a- S while(y0!=y1)* [3 z6 Q# o) c5 O3 S
{
- U3 J( f5 x5 c/ o9 O* N Draw_point(x0,y0,clour); //画起点" n; V2 a2 J7 }, p* E
y0--;
6 l# p5 n8 \3 k0 d# X9 A9 P9 t. j if(sub>0) //判断下下个点的位置
2 Q2 b8 w- h* R z# F6 c2 |: Q {
5 @ r2 K5 h( x8 a x0++;
- M; H+ g* w5 r6 ]/ A2 x0 } sub+=2*dx-2*dy;' k1 Z+ C; C M U# C; X6 S6 r
}
7 Z$ W u+ e1 @2 P8 N else
0 I9 M* A& Z. `" d5 J5 d- @ sub+=2*dx;" Z' z- j& [ M- R$ l& v1 Y
}
. b" ? P& Z- a% d" M2 U: ^ Draw_point(x0,y0,clour);& s8 T. N! P0 I( \; a
}* S- [, |& j+ l$ p# F- c; T
}3 G; H# L$ L* W" [9 N% x
}
$ O, e" w0 _* a: Q$ n/ u}" E3 A3 h& H- f( o' |% W7 X$ \) p
/****************************8 |8 {2 e; P2 W3 s# l
//画任意线
* i( F- Z8 e! B3 d功能：任意两点间的直线。根据硬件特点，实现加速。! H S" k3 R7 v+ n6 x% e
* 入口参数：x0 直线起点所在行的位置
& ^( E1 W3 c- s% \3 {# _0 P9 L$ ~* y0 直线起点所在列的位置# h$ ^$ Q! N2 L X4 R5 @% k# n
* x1 直线终点所在行的位置0 g. j3 F* E* e. x2 {# {+ u- p
‘ y1 直线终点所在列的位置
* E3 H; }3 ~: P* U/ @说明：操作失败原因是指定地址超出缓冲区范围。
5 }/ I8 u# K+ H; ~# K6 ~******************************7 _8 c0 d. L' Y3 M
void GUI_Line8(uchar x0,uchar y0,uchar x1,uchar y1)
- F, o7 U4 M6 }{
' P9 D z( _; I9 b5 i( x3 T1 zint temp;( r3 t1 F. k! o* |$ R
int dx,dy; //定义起点到终点的横、纵坐标增加值, ?0 e' G" ?& a4 k' K
int s1,s2,status,i;
/ \2 o; e+ W% r% T; J1 w. y0 R7 kint Dx,Dy,sub;0 R. j( _* C0 l3 H1 D' e( o
dx=x1-x0;
0 E& y; b6 l+ ]/ H/ o) X0 Xif(dx>=0) //X的方向是增加的
6 u: q/ ~5 t7 Z+ x7 \9 \$ B' V: [ s1=1;
. Z( Y; l% _6 p9 F" L4 p' I- {else //X的方向是降低的; n o0 J& H7 q7 L! U6 A
s1=-1; 7 I2 |) Z6 f! r. N# [7 t
dy=y1-y0; //判断Y的方向是增加还是降到的
, k% M5 x i, Hif(dy>=0)0 \+ ^! I6 @% }
s2=1;. Q9 N+ H. ^2 I/ T0 j# ]
else
: |6 b: N- J7 g: g' |, J s2=-1;
' \$ Q% \/ r8 j$ Q
7 V, _3 k( h8 V: ZDx=fabs(x1-x0); //计算横、纵标志增加值的绝对值
. {; |& h: r( ZDy=fabs(y1-y0);
& Z: r: r& A7 j- w: Yif(Dy>Dx) //
: k5 R: Y& B. k/ V6 r1 o7 F+ R { //以45度角为分界线，靠进Y轴是status=1,靠近X轴是status=0 2 s& ^ j. u1 N. k+ [% v; b% q
temp=Dx;4 Y2 G- H' L' {2 }" C' _- R
Dx=Dy;
: s7 K5 h {: p' {' l Dy=temp;
. t+ |" K# y1 B7 g status=1;
3 [3 |" ~1 c! N9 w }
" ]* c, `7 O& D9 jelse7 O! w R7 }6 b, o: M2 i9 S' z {9 \
status=0;
) U+ s( ~2 k+ V' W0 l3 u9 @* C//////////判断垂直线和水平线////////////
* a' J$ v& v( N0 G0 k, N) H' mif(dx==0) //横向上没有增量，画一条水平线
/ N% c, K, D+ s3 i9 I7 z5 t( Q Draw_zhi(x0,y0,y1,1);
6 S: @& }( S& a u7 }* U# Cif(dy==0) //纵向上没有增量，画一条垂直线
% P: H/ S% T2 o Draw_shu(x0,y0,x1,1);
$ T' S. H( E, |' \7 k, t; R
( |4 Z( _ B! }; D; t$ ?7 c//////////Bresenham算法画任意两点间的直线//////////
3 D: B1 p5 Q( l# ? sub=2*Dy-Dx; //第1次判断下个点的位置# u2 ~5 f' F% m% {
for(i=0;i<Dx;i++)
6 L. a+ u) w G { 7 i6 D* T7 Q4 Y2 X+ b
Draw_point(x0,y0,1); //画点 , _' V) v1 ?1 G9 C) x4 i
if(sub>=0) 2 I- H7 ?& f: G
{
8 Y' |- P8 o5 U7 U if(status==1) //在靠近Y轴区，x值加1
0 m5 d9 p- B5 a+ p) S; K- \ x0+=s1;
* X6 @* k+ }, _& Y+ X9 S% \! e% j else //在靠近X轴区，y值加1 , u# G5 y* l3 A8 l6 n
y0+=s2; ! P! B5 ?; ^8 k. f
sub-=2*Dx; //判断下下个点的位置
6 J2 T( \6 S- q! A } * p- M6 ^- p9 n
if(status==1)
5 ?2 I5 B9 l1 U7 {; @; C y0+=s2; 7 ]2 t% m. Z8 r* n1 Z5 ]
else + j7 f7 A# B! t: V& M
x0+=s1;
& W" F4 n& h8 [" Z sub+=2*Dy; / ~( P, y) Q/ j1 o4 v1 x$ S
( [( I" M: Z$ x" n# y" w }
5 D: R3 U* s4 W! P" W& [' d0 j7 x}; |. J, U7 P6 w5 w% J
*/7 h5 r) O: j+ E/ _, }
/*********************************************************
4 u7 o4 n' C% U( _画圆算法
7 C/ }" R" V0 J& n2 Ix0表示行的地址 y0表示列的地址 r表示圆的半径! a! Z& m2 k u3 v6 J0 V3 r
****************************************/$ c5 W; c6 o/ N$ \
void Draw_yuan(uchar x0,uchar y0,uchar r)4 i) m1 Z; i7 @) a7 N1 p0 f# A2 w1 x/ n
{$ \4 ~) _ i- v5 a9 @% O
int a,b;
( H: c8 p$ \2 X9 W) E" |& R/ wint di;
& k1 P. a+ ]! ]. `a=0;
! F9 S( c( C9 ~; fb=r; //a=0,与b=r为圆的起始点！！然后往下走！！
% H% y' K* s# Rdi=3-2*r; //判断下个点位置的标志 ??
3 v9 g- t* E1 w; cwhile(a<=b) //里面执行完了说明八分之一个圆画完啦！* q4 @3 g# g# K$ x' ]4 e
{0 `3 C# J) k0 W) b3 r# D
Draw_point(x0-b,y0-a,0); //3, G# D3 j8 Q" D& d
Draw_point(x0+b,y0-a,0); //0( I2 r# v3 @2 \( @: P
Draw_point(x0-a,y0+b,0); //1
: o' Y3 i2 y, Z: `Draw_point(x0-b,y0-a,0); //7# g' C6 S9 e/ ?9 n
Draw_point(x0-a,y0-b,0); //25 |9 S# K2 v7 L( n: ], O* v4 R. n
Draw_point(x0+b,y0+a,0); //42 ^( S: c1 \" h) u) g
Draw_point(x0+a,y0-b,0); //5' P4 g% w- V# [' @( Z
Draw_point(x0+a,y0+b,0); //6
2 Y7 |8 U; C) v- W3 k' nDraw_point(x0-b,y0+a,0);
/ {% y1 Y) x+ ~2 D4 o Ca++; C' e' L& l5 [" K+ F
/***使用Bresenham算法画圆**/9 M) c7 s+ ]3 I/ Q: [0 v3 p
if(di<0)) h3 V( n6 ~! `, a: W1 I" @9 m
di +=4*a+6;
+ P, s) B4 f+ n1 B3 Z6 I1 S( {else% ~$ F* j5 u5 `. i2 L& _
{
% O; h) w9 r% u2 }7 Zdi+=10+4*(a-b);: j) h+ M$ v9 \) y% C4 d# N
b--;* g7 R% o9 J+ @
}
3 A" i0 Z+ z% n6 U' \3 ]. I; h8 R: s4 RDraw_point(x0+a,y0+b,0); //可在此处做想法！！！
) |, `: G, A2 ?1 j: z}0 l+ E+ \6 _4 X2 L5 j- `( ^$ j9 G2 s
}
2 F6 V5 e3 n6 i, m
; a9 }" v# c; H1 `$ n$ V4 y! Cvoid main()- y; E! A2 h2 h& ?1 `( e
{: M' @# ]0 M( M8 y' m
delayms(100);9 ~* _! v7 W0 c& `
LCD_init();. P. H5 g$ K$ Z1 |" J+ {
Clear_GDRAM();//必须清2遍彻底清除RAM内数据2 l9 c4 z/ l7 n+ J
delayms(50);. \0 g) J E7 _/ p" w( U
Clear_GDRAM();//必须清2遍彻底清除RAM内数据
1 A# p2 Y7 s$ z2 |$ Y delayms(50);
5 j3 ~7 Y9 W3 M" ?$ P& R" G3 N$ c writecmd(0x01);//加上清楚命令: C* y" y' m& k2 g8 f
delayms(50);
2 r6 q; p9 O; N" n. b2 A while(1)
% b8 g* K: B4 R, w" X L& { {
' N" W }) @0 V' d1 B Draw_zhi(65,126,60,0);//直线0 H/ [9 S( U3 L4 ?" d; F) ]8 H
Draw_shu(65,124,0,0);//竖线
, A7 w2 G$ W. b" u Draw_line(66,0,120,63,0);//画任意线
( k0 c/ N' C& f# L8 D- q/ R Draw_line(66,0,120,30,0);//画任意线' Q( R6 j2 b6 j5 w
Draw_yuan(31,31,30);//左半屏画圆$ i1 Z8 W# D- n9 o7 Y4 C
delayms(6000);
, n. a; F- k7 h: P1 _* a- m! ? Clear_GDRAM();
! x: o2 J" t! [7 W1 `, C delayms(60);! X6 n) m) b% k2 }- G
Disp_HZ(0x90+2,hanz,5);//显示汉字( L1 C& J+ _+ u4 j6 @& Q$ c
Disp_HZ(0x98,hanz2,8);//显示汉字; n$ a4 U: f9 x! h
delayms(6000);
3 r( r3 J% d: S* b writecmd(0x01);//加上清楚命令& [0 M2 a6 |0 V$ p/ m
delayms(50);
. S- M9 }4 R- X9 k9 n2 V Draw_PM(logo);//显示图片
. a, P" ] T, W5 i4 Q delayms(6000);
. o+ e" j0 K* s' n Clear_GDRAM();8 \/ P7 e/ ^1 b$ n3 T. N' S
delayms(60);6 Q1 ~7 H6 i% U
}
. ]* p, ^: H7 k: ]}
- f% N2 ?3 G1 E- q" h6 {
' n b5 y! v7 G3 A. M* A2 A% H' T" ?; z1 U
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发表于 2019-1-18 10:18
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