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玩转12864，划线，画圆，汉字，图片程序/ Z% v* z$ g, g+ @& V# p
- Z5 ~. J1 I! _' m
! ?0 V0 o! l5 ]* ]& N; r/*********************************************************. O$ j+ o- ]! X
功 能：12864并行驱动画任意线段和园以及图片.汉字程序
- i o0 T# M! a9 W. d( e8 e 单片机：STC12C5A60S2( G8 V3 h. b; V' F ~
晶 振：11.0592M) D8 j, V- G- H% O
时 间：2017-3-1
( U' }1 k5 {' k: Y6 i8 M- a1 l 作 者：苏义江修改整理（感谢前辈的辛苦）) K" u+ r/ e6 K+ L& d4 x) O
注 释：在多功能试验板成功显示- Y+ b0 C& |& Q7 n4 @
*****************************************************/
7 e* I& S$ N+ G1 p+ S4 K- q#include<stc12c5a60s2.h>4 K- w8 c! G* r2 V
#include<stdlib.h>+ |/ M J0 z0 h& ^ C2 K
#include<math.h>
. A' g3 i1 Q2 B7 Z; Z( E#define uint unsigned int
7 H2 Q& Y# v7 S( M5 x( I#define uchar unsigned char0 K" r8 _: n. x# d' f, [
#define pi 3.14159262 H- a& Z9 X" C4 X
#define LCDDATA P0& P$ ^* S( ~& a- f: \/ e6 H! V: g9 v8 ?
sbit RS = P2^7;
2 N2 t0 }0 _4 K$ d' tsbit RW = P2^6;+ C% X, q( O) K
sbit EN = P2^5;- U0 ?) N( ^) T* P; @8 m
uchar code hanz[]= {"玩转12864!"};
3 B/ }; u% }; C; B. U euchar code hanz2[]={"苏义江爱好单片机"};
; N: f: R9 F3 i* y! b; n4 tuchar code logo[]= {
2 H" }$ ~/ T H9 C//取模方式：纵向字节倒序7 C' C3 x) r3 j& O) ?5 u
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,1 w0 O8 s* l! m3 i0 j
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,6 u/ B- }7 J% r' p9 b
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,/ R1 |. G/ K! p7 I
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, ) q, ?2 J2 S( \! K: v* `
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
7 ?' K7 W4 Y: D- w" G% J' e& D0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,6 U( @) p& n, l5 t+ t D" H7 w
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
! n: E, {' y( v' K& i/ w: j3 ] F0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
2 h o% c, k# G7 H& e" p0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
w Y8 |' [% N/ h% o0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
; d" k% x) s$ { S1 U0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,2 \, g5 M+ z; k* y$ e; F; `
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
2 o0 `( I2 @* S0 { V6 W0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
8 f) l. ~5 x4 o0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,$ c/ m- l3 N8 B1 g
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
( t, L9 c$ L* l0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, ( d4 @8 l5 q$ s5 t# O
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,# w. U" `8 _+ `6 p" s
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,' B9 D p; T, q: f
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
7 K" ~9 m4 U- P; r0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0 z5 a( u" y" ~+ v3 [0x00,0x0F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,$ m4 v7 t2 U; a" r
0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFC,0x00,0x00,0x00,
) A8 L( }+ ^, N" c0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0xFF,0xC3,
9 y1 ]+ \3 L' Z" E* Y0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0x66,0x19,0x8C,0x31, , O) S: m0 W& B/ U8 d$ e
0x00,0x3F,0xFF,0xC3,0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0 F* G* S+ X& n3 r: |
0x66,0x19,0x8C,0x31, 0x00,0x3F,0xFE,0x01,0xFE,0x02,0x39,0x00,+ A+ h7 G( n2 d( W1 B. g
0x06,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 0x00,0x3F,0xF8,0x00,* \" n* q- J: W% I6 h
0xFE,0x07,0x31,0x80,0xFC,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31,
/ Z' X: H, I/ [1 N/ ^0 u! Y0x00,0x3F,0xF0,0x00,0xFE,0x06,0x31,0x80,0x78,0x00,0xC0,0x0C,7 Y8 f+ A3 V7 L! t9 O
0x66,0x1D,0xDC,0x31, 0x00,0x3F,0xE0,0x01,0xFE,0x06,0x31,0x80, A$ U1 f9 S( @. T& t+ [
0x30,0x00,0xC0,0x0C,0x00,0x19,0xCC,0x30, 0x00,0x3F,0xC0,0x03,: d2 `3 ?* S6 w l, E9 Z6 M
0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,0x00,0x18,0x8C,0x00, $ v/ ^+ q j0 `8 U" O8 k
0x00,0x3F,0xC0,0x03,0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,# s* c* w4 |) h3 |1 Q
0x00,0x18,0x8C,0x00, 0x00,0x3F,0xC0,0x3F,0xFE,0x06,0x31,0x80,
1 G* m$ v2 d$ J. `# Z& j4 q0x38,0x00,0xC0,0x3D,0x18,0x19,0x8C,0x0C, 0x00,0x3F,0x80,0x7F,
0 P" w* p. u* D0xFE,0x06,0x31,0x80,0x38,0x00,0xE0,0x3D,0x18,0x19,0x8C,0x1C, - n3 \" ^$ t, Q. y
0x00,0x3F,0x80,0xFF,0xFE,0x06,0x31,0x80,0x18,0x00,0xE0,0x3D,# X7 W9 B' Z" {2 v
0x18,0x19,0x8C,0x3C, 0x00,0x3F,0x81,0xF3,0xFE,0x07,0x31,0x80,) R% E! M# m! s! x; f
0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 0x00,0x3F,0x81,0xF3,5 V7 f/ ]" x3 ~1 q
0xFE,0x07,0x31,0x80,0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C,
8 _. k) y" e" D& z: j0x00,0x3F,0x03,0xC1,0xFE,0x00,0x30,0x00,0x30,0x00,0xE0,0x3F,
' A# l2 z+ l) D! q- }6 `# b0x18,0x18,0x00,0x0C, 0x00,0x3F,0x03,0xC0,0xFE,0x00,0x30,0x01,
: u# p& F2 E' e& m; K0xF0,0x00,0xE0,0x35,0x18,0x1C,0x00,0x0C, 0x00,0x3F,0x03,0x80,
0 N# D7 J" C7 V/ F; u8 P0xFE,0x00,0x3C,0x80,0x00,0x00,0xE0,0x0C,0x18,0x0C,0x00,0x18, 9 D' t( Y: F% J4 \. e0 \) v
0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,# g/ ]/ g6 n1 ~" q# s% B, F d, }9 _3 e
0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,, |1 f `' F( M" ]* r
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0xC0,2 Y; |' w5 v) b8 I5 Y/ y7 b Z$ l: y
0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
6 N% D8 d: |2 A0x00,0x3F,0x01,0xC1,0xFE,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0 c4 N/ a$ @8 i/ g" ?2 u0xFF,0xFF,0xFF,0xFF, 0x00,0x3F,0x81,0xFF,0xFE,0x00,0x00,0x00,: @) Q4 w/ V4 C4 o$ u% f# U Y
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0xFF,3 l9 o8 s1 {, ^6 M/ D1 l
0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
( s- W1 f3 b7 v2 k. M3 c2 J( r, E0x00,0x3F,0x80,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
1 m1 L0 y) Z3 `0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0x7F,0xFE,0x00,0x00,0x00,& y$ o+ w( u" \4 K
0x00,0x00,0x08,0x08,0x00,0x00,0x00,0x00, 0x00,0x3F,0xC0,0x0F,4 n7 @& {. H2 H9 L$ S I7 {! U3 R
0xFE,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00, 0 U# m- R3 y S9 G U) H
0x00,0x3F,0xE0,0x01,0xFE,0x01,0x01,0x80,0x00,0x60,0x10,0xD0,
1 O' N( \% K- i. W& ^ P, X0x00,0x00,0x00,0x00, 0x00,0x3F,0xF0,0x01,0xFE,0x04,0x44,0x4C,$ m, p% q# A2 ^; {! q
0x89,0xB1,0x93,0x70,0x00,0x00,0x00,0x00, 0x00,0x3F,0xF8,0x00,7 |2 S% n; w/ G" t& a" ]
0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,0x78,0xE3,0xF8,0x3C,
& s' n3 K9 @: f+ Z5 ~9 r0x00,0x3F,0xF8,0x00,0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,
# e' l1 }* }1 H: L: R6 y0x78,0xE3,0xF8,0x3C, 0x00,0x3F,0xFC,0x01,0xFE,0x0F,0xCF,0xC5,
% ^0 h/ ~5 H4 K- ^; r0xF2,0x12,0x24,0x30,0x81,0x16,0x48,0x60, 0x00,0x3F,0xFF,0x01,
" V( s. c( o* C( t1 ^- a* M0xFE,0x08,0x08,0x06,0x62,0x12,0x24,0x20,0x82,0x14,0x88,0x40,
- Z+ E- o# j9 L, i2 t4 X; S0x00,0x3F,0xFF,0xFF,0xFE,0x08,0x08,0x06,0x63,0x26,0x26,0x60,
+ a! ^$ |& I% o5 J0 Y" d0x83,0x24,0x88,0x40, 0x00,0x0F,0xFF,0xFF,0xFE,0x07,0x07,0x04,
; W9 N( y/ B$ r4 p0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 0x00,0x0F,0xFF,0xFF,
, q6 l, K# t% }# ?& k5 n( E& w) ~' Z0xFE,0x07,0x07,0x04,0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, . Q0 b& Y2 J: t- ^+ f; G$ }
0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ |! _ C7 z8 r9 g q7 ^6 I0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
4 p) B% D8 t V+ ?; D: i0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
: P( a$ F \8 X# R0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
6 x6 }9 @4 G6 V9 ~0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,3 m6 m+ Y3 [, ?
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,: w, }8 ]8 m7 k3 b
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
! [5 z) f7 {& h+ Q7 N1 g0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, * w+ S0 N4 E+ H; U+ t: L3 l8 [
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,+ l) o% l1 b' I& h7 c. G
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, h* c% _$ e1 g+ J) m/ O
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
3 j# h* m/ o9 A$ I% ]0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
, N/ p% R, ^8 k4 X0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,2 ?* u- N: j* R# y1 @. i- @
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
7 a& v( N0 D0 M* [( _6 \0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,' K; @1 T. Z$ U( p+ Y1 v8 C0 f
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, . g: p" D9 B: Q8 Q( \& S
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,9 J) L# T/ y. \* p! ~) M( W, E
0x00,0x00,0x00,0x00 }; //图像数据
$ N/ z5 u# c+ |1 y4 q# x' C- c! F) w! h0 L% P: k5 f
void delay(uchar i)
6 o. A3 ~: F, ]{
0 o$ ^! \# v2 }; v for(;i>0;i--);
" \5 }0 ?" I& O; d* T! K+ \; U) M}) h2 K8 T! D7 H6 {6 ^) s7 \. @
void delayms( uint i). \% V; S8 s9 Z2 J4 X6 v9 Z
{ , V; e7 G1 D8 k, q& o* j
uint j;
" A: B( h8 h0 C, ~2 R- x for(;i>0;i--) 1 Z: T+ X: z) P7 Z
{ for(j=1000;j>0;j--);}& H0 S' f( W$ c+ Y [8 ]
}
& Q; e4 f6 U2 \7 Q& ^6 b" _//写指令6 Z* M0 |! J3 P- y% ]* @0 v5 v& k
void writecmd(uchar cmd)//写指令
0 Q [- t0 W, j* ?9 z% x( g$ F0 w0 Z u{
: O/ \5 P) } v. w, e5 ?8 b" g LCDDATA=0x00;
/ Y# i! e J, W8 @' `' ~0 v' u8 z RW=0; 7 k1 `/ ?' K) T4 _! v( K+ e6 N
RS=0; 7 Y$ |) d6 b0 V+ f
EN=0; 3 y) o+ d; O* l c, g" e
LCDDATA=cmd;
8 m' L$ O1 b; Y" g1 R delay(2); # [" r: P! V. z, f8 c3 C* o
EN=1;
2 E) p* }6 N7 h# ~ delay(20); * E$ a7 \# m( X
EN=0;) C, T' p- v* V7 J
delay(20);
" N! `+ [- ]9 ]# Z6 X}
" h$ E1 t; p) Z* L# ?//写数据. |5 F( H& A/ c/ X3 c8 F* d/ m+ v* t
void writedate(uchar date)
) M+ t- n! M- e- T) A{3 I& N! ?( _2 c
//while((readstatus() &0x80 )!=0x00);. S! G# P+ T S# H: [ _* b
LCDDATA=0x00;
8 D: U! I8 G" ` RW=0; / o* j1 T$ |6 m ?% l! g, y
RS=1; 2 p P- U+ r' }0 z! v+ k& a
EN=0; 2 K# H' {) E4 H
LCDDATA=date;
+ C* r7 X) n; A% j m1 G) J delay(2);
3 J: E8 B3 h( K+ Z( ]' A EN=1; 8 k1 L5 I. m+ M. J% q$ b# |" \- H
delay(20); # g' K: K9 G v- S: P
EN=0;! Q2 ^& z8 [9 Z1 l: [' M1 w4 n- T
delay(20);& X- s% q$ A6 B7 m
}* [0 O/ p0 l7 S4 t' n
//读12864内部数据; S9 I! ~8 n+ o7 C
uchar readdate()
2 [/ f) `4 w% O8 h, ]' L( t$ i( U{
- k$ F$ ^! P4 u uchar i;
% v J" W; o: I//while((readstatus() &0x80 )!=0x00);) ?8 o# T1 N% L9 `
5 k! f% n b$ m/ D( G* f RW=1;
! I. A) \( Q/ N9 @9 W; t2 ]+ U RS=1;
3 ]! Y" |! ~8 u9 J8 m EN=0;7 N" X( J3 X1 W& o
delay(10);! S0 H3 q% r2 X( e
EN=1;$ J2 t% c* X6 }
LCDDATA=0xff;
) v6 @' H5 e5 p! ?/ Q8 F' ]8 T, Z delay(10);, y4 c! R) L* S6 _7 c0 P
EN=0;
* m6 y0 Y3 C ?/ z6 o 7 A2 k, L+ u8 z+ Z
EN=1;9 I2 }) ?" A0 m/ `3 `. }% |8 n
LCDDATA=0;
3 p" n/ p( C% V% L% z- ] delay(10); " o2 b; T5 Z4 X6 o! ?% t
2 t0 l! o& _# u, @% u5 `
delay(10);
- O3 I' k% r( b1 o( s EN=0;. |2 q# |- c# E$ b/ F
i=LCDDATA; : R/ K+ v8 n' r* W& [
return i;
: Z6 L4 b, ~5 `7 T}3 K: y7 G6 r5 k, A% H, h) a
/*******************************************! X) f" R0 R( k/ y. q
函数名称：LCD_init& a9 ~; S2 Q, H! O" ]7 @
功 能: 初始化LCD) J j/ m c" V( O5 ?& K7 b) X
参 数：无# w2 D( v+ ? `* `
返回值 ：无$ N- p2 _7 K* U
********************************************/! z5 w/ r% t! e5 ^2 d" T! Y$ q' f$ V) ~6 p
void LCD_init()' B2 P( M* I" f( S" ]8 ?
{" Z/ E8 X8 v; C0 k' J/ W- L
delayms(30);/ l8 ~. V" S$ J/ v3 h
writecmd(0x30);
; p0 {% {$ x% m
' D+ j: ?8 v: C) H3 z+ n+ E. i% g2 Q delay(20);' Q# }, r* m2 |7 Y
0 m7 t$ d3 ^/ P5 J" B+ I writecmd(0x30);
0 e0 j& B9 {! f6 F* ` delay(20);
( j$ \ C( R& p9 N- N( X2 X
! {( e, ?- E' g. Y6 Y% E- L; F writecmd(0x0c);
8 O+ Q) ]9 ?" t+ q 1 M% q) S% J# M1 @6 s
delay(20);1 @+ c: F w6 p
@0 R- |: M- Y- j" o6 u writecmd(0x01);
0 s( J q$ G: y: v; e+ R7 S
! ~& T* h/ r. H- J) I; X delay(20);- {. J2 ]% y* X- c9 u7 _; b
/ a( I7 Z& Y; ~* I, D
writecmd(0x06);1 J9 z# Y7 W3 ?' h, @
9 v) \& m/ R5 F4 w' @* b% \/ v delay(20); |: s& ]! A1 I- q# {
}
" [# H) n! U4 ]' L: q//功 能：指定地址输入指定个数的字
( G, z& T5 P2 ]) S" d//addr表示地址 * pt表示数据 num表示数据或汉字个数
, Y3 I% h! t8 Pvoid Disp_HZ(uchar addr,const uchar * pt,uchar num)' |3 N t. a2 O$ |
{
9 N% T4 i6 n/ J* E" ? uchar i;
0 ]6 L, n+ `/ Q X8 x9 r3 @ writecmd(addr); 7 _5 |# o+ k* v. G
for(i = 0;i < (num*2);i++)
2 _* m' s8 a" k. Z {
: L. j+ e3 r. n. c. ~+ H1 ] writedate(*(pt++)); + k5 e. P7 [1 l5 }
delayms(1);
& S$ F, Q& V! c/ A% {* Q; S- v4 U }/ O' t0 _3 S2 V0 ^
}
! ~, O0 e N$ X//清内部随机数据" }! B) j9 W1 S2 \' Z: ]# S2 u
void Clear_GDRAM(void)9 B3 t9 i$ a$ W: c4 x# v5 U
{* ]& o1 B" S2 l. Q! ?8 c2 v
uchar x,y,i,j; 7 W6 D t7 ]/ ]% H* j
writecmd(0x34); //打开扩展指令集 1 f5 j4 ^7 @, G$ P0 }
y=0x80; * s" x) }: i4 p5 C* N" e
x=0x80; 1 L1 H( |* O9 z; ~( C, m
for(i=0;i<32;i++)
. h- I8 D3 W/ F% z+ N9 q {
' I* k" Z& q/ b" M5 a8 u& k. K; d writecmd(y);
- _) @4 H& ~+ D1 I0 \: @: i1 A7 \ writecmd(x);
. {# x! }" @8 ~$ S8 C8 w for(j=0;j<16;j++)
. I2 \. w( P* O, a) W {
" w$ A J0 T N' H writedate(0x00);4 \$ G! c" n+ |# \% o: R
delay(30);
" z t, }5 o( B" C H2 D7 n+ ~: u: i8 R }
. d) c* N+ Z* [. D" j8 S y++;
$ K5 M' V4 G! m } n# Z4 L' B! G
y=0x80;
3 p) h4 [: \$ e3 L x=0x88;
6 M3 v: L; ]8 e6 w! l$ U( x for(i=0;i<32;i++)
& w1 z j1 l' W+ ` { % ^8 H% Z$ s# q; K Y
writecmd(y); 6 o( M& h8 r+ G: I3 a; G
writecmd(x); ; W6 L# q% a" T
for(j=0;j<16;j++)
- y5 ]' z5 ]5 i5 y; @8 h" J {
' ], c% q1 D6 y writedate(0x00);/ G, {. T0 |3 L
delay(30);' y/ a6 w% P0 U8 A" {
}
5 O* f9 z5 }2 f y++;) q' u: z$ ^ D) [& H/ N# K3 d; ~
}
0 k+ R1 A' Z, M2 ] writecmd(0x30); //回到基本指令集; b. i+ ^- s1 y6 G9 O/ q
& y3 y$ o& H# q, |
}
- M4 M) g1 f b; ~8 o5 D) d//画图片2 v5 H" _0 } b# B3 E) l* t+ {
void Draw_PM(uchar *ptr)
4 [; i; m# U) i2 d$ y! N{
) U8 V* H. D1 n2 j5 n6 M uint x=0; / a) V( u( c: J- ^2 L5 I, P
uchar i,j; $ [0 D, i0 {* R5 P7 `( t
writecmd(0x34); //扩展指令动作
# `- @0 x' S% V( }+ U6 j# ?2 j writecmd(0x36); //扩展指令动作
7 F8 d/ D1 D7 W/ u, f+ H @ for(i=0;i<32;i++) //上半屏显示
0 P, B3 o2 K5 ~8 {3 j5 T0 H0 x { : F! b( Z. {$ L& Y$ c
writecmd(0x80|i); //列位置
# D2 Z [+ r: O5 U writecmd(0x80); //行位置
# @& T) I! C5 x5 p for(j=0;j<16;j++) //256/8=32 byte
6 w# _7 A. \/ K/ K { //列位置每行自动增加
' A- A9 ?( p7 U) M+ `, g9 N* [ writedate(*ptr);
5 p* `. ^2 h4 |$ x: l ptr++;
% V' m$ l" @0 q6 a8 ^ } , \: f7 H' ~. u( n( T
}
- @/ f- q$ V& W& ?6 k for(i=0;i<32;i++) //下半屏显示 1 D/ k" ^* L% f
{
R/ A" z) x. u, U: U* i. _ writecmd(0x80|i); //列位置 n' A; S/ d g3 @6 D! K( p
writecmd(0x88); //行位置 ! v2 E' M2 l8 f* L7 h& M% V
for(j=0;j<16;j++) //256/8=32 byte 6 Y' F- r" r* D) T6 y2 k9 X
{
" z. ? W) @# ~" m" @, w* @. k* ? writedate(*ptr); ( p) d% h) v* c
ptr++; 7 @2 U; h t7 x' A! S
} ) e7 U/ _) S5 B# D
}
, @, r4 Y% k7 ^" w1 }& b5 J writecmd(0x30); / m7 _( T& ~8 ?! q
}+ c0 U; V9 S: v& o: |
/*************************************
4 @ G, A' F$ M( I% y' x功能描述: 读取绘图RAM中指定坐标的数据: a7 q: E6 j# d, n2 y
** 说 明: 参数输入坐标地址，
: I2 `+ q J. r1 a8 {8 @5 Y读取后从坐标地址参数位返回数据,所以，
+ |7 }4 O+ t& V. R6 P地址参数在输入前须使用
+ Z- [/ G/ V; U& c/ ~ u. P****************************************6 D6 J: x w0 {7 E1 X1 ?3 k' ]
void LCD_Read_dat_I(uchar *xp,uchar *yp)
, D* H' B* N0 ^+ [9 a{
# J- j, g2 p" J# |% ^' {, Nwritecmd(*yp); //写竖坐标(0x80-0x9f)
' o" s6 n5 Q5 M: C0 y* mwritecmd(*xp); //写横坐标(AC地址) 上半屏(0x80-0x87) 下半屏(0x88-0x90)$ O/ j( m1 P% \) \( s
readdate(); //试读7 C: }2 ?+ T9 c& `; R
*xp=readdate(); //读高字节并返回给xp
+ D8 d1 F' n, g6 ^4 F$ J. m*yp=readdate(); //读低字节并返回给yp
+ v+ S0 X6 N: U7 o8 E}
$ O4 P9 i8 R- f% e/ H*/
4 b: N7 }8 z) l5 J3 S J/*************************************
' Y: z* x2 W8 e7 a) I//画点 在整个屏幕上画一个点 X 0~127 Y 0~63, a L( r+ ]/ V$ @1 v: l
功能描述: 指定坐标点画点
6 \, L5 G4 Q' i" n' D. [- }1 o** 输 入: unsigned char xp,unsigned char yp,bit dat
/ v ]/ E* j2 y: Y5 V& LX,Y行列坐,dat 1写或0擦除
& k5 N3 c0 m. S0 ?% p) p*******************************************/
% y$ ?5 Y" u& u# t/*. D' r" g$ h% { E
void Draw_point(uchar xp,uchar yp,bit dat)
% u( v1 x' y8 d, ~, j9 |{8 @8 D$ _) x% v
uchar xd,rx,ry;6 _: ]; x% ]; Z. c7 w
6 q) M8 ?8 p1 Q# d& [5 X xd=xp/0x10; //计算横坐标AC步进
X( [! b7 C q# @& ~ xp%=0x10; //计算AC地址位偏移. M5 Y2 E1 |" j
xp++; N, m$ j( o* H8 b
writecmd(0x34); / j/ [+ `! b; d+ K% s
writecmd(0x36);" J; P0 r. K! d, G
if(yp>31)
/ T* e: {7 F, O1 e+ @* d( M6 U { //如果yp大于31选下半屏
5 T8 c& c' T4 i yp-=32; //计算yp在下半屏的竖向坐标4 B! H& R- N3 p' }
yp+=0x80; //地址命名: L1 f, S) r$ S% _- f
xd+=0x88; //下半屏起点地址是0x88,地址命名
+ L D$ n5 l- F }
5 u' n% e; }2 S/ z9 H else
5 s' V4 b [* B$ C' n: }/ w" c { //选上半屏
* ?& V0 ~1 m& g: u W( m yp+=0x80; //地址命名3 U* ^6 j8 ~/ u8 K' D' S' i2 b7 l
xd+=0x80; //上半屏起点地址是0x80,地址命名
, S }0 A% i1 Y- h }
$ V3 h" U/ s5 v h% I 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0 Y2 y+ F! `) A K9 X2 h
LCD_Read_dat_I(&rx,&ry); //取当前字节数据
" ^" F' A9 r7 O# \2 @& ?, c writecmd(yp); //重指定当前y地址
4 s; T; F, K7 G( ?7 w writecmd(xd); //重指定当前x地址 S" K. \: |. [# C& ~1 D6 I
if(dat)
* {7 Q% [) e8 Q( i* C" q1 a2 B { //如果是画点
, L+ Y3 k6 V+ Z/ ^" p, l if(xp<=8)7 }% o" V# ~2 a* A
{ //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)
8 v5 W8 W. U# f: v" ^! U' I$ k 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
- @+ o; ]2 N' }4 [: W: Y writedate(ry); //读取的低位数据原样写回
m* G6 u9 `. E9 x }' o5 D" {" i. `6 X
else
7 m+ q/ \* ^8 R* G { //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)0 j- P; b, k8 ?% N( J7 T7 E
writedate(rx); //读取的高位数据原样写回* D4 l4 {! E3 S- w) h
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
* T2 `# d4 Y% j+ ~- a& C }
8 Q; _7 R; p/ x, s }
% P- `9 r$ ^$ O; Q: x6 z else, Q1 T0 g$ J u1 ^8 S
{ //如果是擦除图像
5 N% I$ ^7 k' y. s6 T9 x if(xp<=8)' c; ?$ V3 h5 J R, z 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)
' o c2 F2 o- k9 v 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
. Y X) {8 S+ h8 }+ x- J# g writedate(ry); //读取的低位数据原样写回6 d9 ^' J: z* B6 B
}
3 c3 V! C! f& X) S# ] else
" z, m( I# O; M& x { //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)8 ?9 n# M' _- Z0 I# \
writedate(rx); //读取的高位数据原样写回0 @3 w# y9 C% r) r! [' |
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
/ o( u, u9 m' ~, @. O1 c }' A7 @1 ^# j: a
}
. q! v" z! C3 x3 E writecmd(0x30);6 {+ a( |, l2 F' H
}6 W: t V. A. j; n
*/! a. P4 U, b6 p6 L! H; K% E, T- m5 D
void Draw_point(uchar X,uchar Y,uchar clour)
1 x7 q- x, n2 @1 f& r// X行 Y列 clour为0时画点 为其它清除这个点) A' e/ z, Z0 I( }9 b
{6 ?5 u' i, @) a; ?
uchar x_pos,y_pos,x_bit;
. g8 M9 g6 I8 d, B. e- `( K3 r uint read_data1,read_data2,dat1,dat2; * [# S( l! `0 X3 N3 e) z. ^9 D2 G/ o
//计算LCD位置4 t: a# A7 f- g2 p7 V, ]0 ~
writecmd(0x34);
- ^: @' ]/ T' j# b* ?3 P; g2 j writecmd(0x36); ; Y. K# q2 o, L' M
x_pos=X/16; //取16*16首地址 6 k7 f' W& Z' \* S- p9 i
if(Y>31)
1 z- x0 d' M( N7 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 , z3 N2 i4 B8 S* O2 B
x_bit=X%16; //该点位于所在16bit中的第几位 ; M" C* h' S1 K' q8 R! P; }* @% I$ S
y_pos=Y%32;
2 K* R- ], k8 i4 j% v& O+ R4 ]) w, h& e// writecmd(0x34);
% k# _, r/ E5 w5 m& x* \ writecmd(0x36);
& j3 y' Q- c/ v( _$ G1 a writecmd(0x80+y_pos);
% ~- U2 E E2 F4 D% a writecmd(0x80+x_pos); ; s; }; X& D2 m# B5 y9 S0 |
readdate(); //此处为什么要中上不知道为什么？？？？
% O$ L- Y7 B( U7 t8 u ~ read_data1 = readdate(); //高八位! " t$ Q0 p: B; v% K6 d9 p7 W
read_data2 = readdate(); //低八位！ $ y! t" U. `- ~
if(x_bit<8)
8 e) R; }3 j& M- F { ( K% ]% Z1 C7 [/ X1 H3 i
if(clour==0) + ~4 {) F( L/ q0 s) S4 Z
{
3 c: r' L r* ~: \ dat1=read_data1|(1<<(7-x_bit));
% j4 P( n3 V: ^9 f' h } $ b! ~. K- ]9 G$ x6 T9 t& K* ]2 t
else
+ S. o- `* ~2 d% X { 7 y: ]' T) L% D4 {* O
dat1=read_data1&~(1<<(7-x_bit));
4 P! `" g V* \- B! u, {- b0 U- T } 4 v4 J% }# S0 S& G p1 c4 z8 m) v
dat2=read_data2; 5 u5 w: b e% K) G& Q: S# u3 O
}* K& O- I( o1 l8 E8 ~* j
else 5 h/ o W R& k% l; m
{ 8 p& [" S0 c( y# U& m. @
dat1=read_data1; 4 n1 S: y# f. q8 Y
if(clour==0)
- l, k/ T# C$ F# t5 d7 w4 B { 0 ~ l, T }1 {5 A% L, A7 f+ Y
dat2=read_data2|(1<<(15-x_bit));
" U. n0 u7 g1 l! _# ? }) F# P: F- B5 O* a# A0 y: K0 [; t
( M x( K$ R. P. K else * J( _* @3 b6 L* ?6 @9 k, L
{ : }2 p6 H4 R* ]! c& B) U9 L- S
dat2=read_data2&~(1<<(15-x_bit));
" `$ J" k6 |' B) ~- B }
' a$ K( V; V% y) I1 ?' x) l3 { M }
$ Z8 ?' ~" R% i writecmd(0x36); # N4 w0 d& w( o2 X5 l8 a
writecmd(0x80+y_pos);
8 \# a5 I: N7 O# o% a0 v writecmd(0x80+x_pos); 1 J9 u0 Z7 H. Y m3 h7 e
writedate(dat1); ! I$ Y2 J5 x, @5 v! ~% J' ^( q7 G7 x9 A
writedate(dat2);
6 H) `) n) t5 H; c, E writecmd(0x30); : r1 x+ i: c1 Q0 y' Y/ x
}" _9 |2 }: {1 ]
//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/ L. O. c9 @ y/ j3 @+ |
void Draw_zhi(uchar X1,uchar X2,uchar Y,uchar clour)7 [( M4 t% }. `
{6 i W6 n; N( Y1 Y6 e
uchar i,temp ;
! V" b; e5 \" m if(X1>X2) //X轴上，起点大于终点，交换数据
- r' C1 q8 C# e' S. P {
; l% ]% s+ N3 L4 _ temp=X2;
' | {) Z+ G, B X2=X1;
% O6 X9 }$ M" Z4 B* V1 h" w X1=temp;
4 O7 C1 l9 @* Q9 L }
) y: A% S- }, v0 c2 J' Q for(i=X1;i<=X2;i++)8 o1 H. [& @3 V* l9 q# A
{. i- T o/ j6 T
Draw_point(i,Y,clour);
/ p; _; P& M+ d6 M2 Y }
3 s j# ^$ z* Q7 s. G}. p! l* r* P" w9 f3 d! 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
) m! J) x9 x7 s2 j# ]7 s5 c7 Fvoid Draw_shu(uchar X,uchar Y1,uchar Y2,uchar clour)- F7 g- T% Y' S/ m- C. x* V/ ]
{" ~$ K# f3 b' Q3 ^1 V
uchar i ,temp;
5 u: h$ v* H q6 a6 }( [ if(Y1>Y2) //X轴上，起点大于终点，交换数据
; t6 O/ J5 l0 k2 R {9 F# @. U* p) d6 P! H: J/ l8 x, [
temp=Y2;
% M: W. F5 a/ a' s5 b+ I# ?4 ]) B Y2=Y1;
1 m4 O8 S2 L9 r2 t: {7 I Y1=temp;
5 \7 c8 v* e3 F; t }5 T; k4 \, u) V$ ~- {. _ _. z
for(i=Y1;i<=Y2;i++)! W1 w; y$ `7 _8 f) X
{! _ B* M g+ P4 p2 Z! E7 l) R
Draw_point(X,i,clour);
* l' O' P Z6 R( ^4 l }
. l) \5 o G. ?$ P" U}+ _# p* U1 \5 O+ |8 S6 H) q
/*******************************************
* G o- l4 ~ \! m6 u& n: k5 [函数名称：Draw_line
1 c; O `- o7 @4 i+ v6 ]5 l功 能：在整个屏幕上画一条线 任一的角度都可以画线！！！！
_( I9 L/ D( u0 p* S参 数：ptr--指向保存图片位置的指针' P4 o3 } O K7 l% G, N) G
返回值 ：无* V. k L8 U! ~: F- [, {: x) ]
clour为0时画点 为其它清除这个点7 E( c O0 Q7 p( Q' f9 M
********************************************/
4 g2 V% Y! `! p: \8 `8 hvoid Draw_line(uchar x0,uchar y0,uchar x1,uchar y1,uchar clour)
t+ R* P$ D( d7 A/ I5 U{- z4 c7 Z, _% g9 |0 p
int dx,dy; //定义X.Y轴上增加的变量值
]+ V5 z/ w5 E: F1 }; u6 c int sub;0 s ]5 u& c- v- X. Y
int temp; //起点、终点大小比较，交换数据时的中间变量
' {3 I4 a% E! W0 V6 Y$ J: r b uchar flag;+ `2 j& T( O4 G. ]. ~. J# U. h
if(x0>x1) //X轴上，起点大于终点，交换数据
^' n: b% P: M/ M; p' t. o0 g {
/ f2 l! k3 T" r2 i2 y temp=x1;
$ e. f9 t8 g6 o5 d: @4 A8 B2 E x1=x0;
, S+ s% H ]* f7 r* _0 { x0=temp;
1 @$ g F# L! S temp=y1;
8 d! G( C% V9 ~% i; ^- n0 @6 D( [9 N/ A y1=y0;
, i0 G7 I ]$ d2 ^0 w }; o y0=temp;! \, R' x. a8 d; B% y/ t
}0 @6 H3 b! @- ?: W: [0 v
dx=x1-x0; //X轴方向上的增量- P6 M- {# |4 ~9 |. j
dy=y1-y0; //Y轴方向上的增量7 P, m4 w. r+ J* R5 q7 K
if(dx==0)- n+ u" A; t1 q- G$ Q. |
Draw_shu(x0,y0,y1,clour);
" _. P7 A" ?% e9 H: W( B if(dy==0)8 k; V) u, S6 R; h; `
Draw_zhi(x0,x1,y0,clour);# ]. L7 [0 q$ N
if(dy>0)
& J, Z/ r( x; [ `9 u flag=1;! O. e0 O, ^* _* z# F
else
* l/ V6 j% F: y* J flag=0;( P0 o+ W* Y6 V2 g0 o/ x+ Z2 ^
if((dx!=0)&&(dy!=0))
6 e( |2 M- J+ P {
7 R* @- n* Q5 E& n# Y0 Q /* 布兰森汉姆(Bresenham)算法画线 */
; m d [( \4 [3 X" v if(flag==1)6 D3 x& N1 \0 N& f0 m2 c
{. B* g9 Q2 L I- ^+ B/ u
if(dx>=dy) //靠近X轴$ s) b" \& x/ I. v7 @9 Y' j
{
/ M8 g$ u6 s* k sub=2*dy-dx; //计算下个点的位置
: {6 u9 q. P5 S) i; w% o5 h while(x0!=x1)
5 G* |( Z ~& L6 } {
: q/ }" ~6 m6 I4 c Draw_point(x0,y0,clour); //画起点
; F( J! K) ]5 W/ G x0++; // X轴上加12 a9 n5 E4 d; T" Q* Q3 t3 d9 [+ e
if(sub>0) // 判断下下个点的位置* r9 S6 C, v) n C% {- L3 H
{
# Q2 j7 B( U+ H2 l, ^; L$ | y0++; // 为右上相邻点，即（x0+1,y0+1）
8 S% z, {1 V5 _9 E$ @ sub+=2*dy-2*dx;% U; U$ S* U5 ~) m
}
$ H+ k M- F: c/ ?' U7 s) h& q else& J" X& I B2 D1 _
sub+=2*dy; // 判断下下个点的位置
7 {, f9 y0 S: u( u( v+ S }
8 z' ?# _- M' e O Draw_point(x0,y0,clour);
8 s* D7 O- H J }
* Y% Z& W7 {. J+ Q else, |( l* X/ ^; M, f( P
{
& L$ H, f/ x; P2 Y1 @( ]* n8 z& c sub=2*dy-dx; //靠近Y轴4 y4 L4 d( K- m& V! C8 j
while(y0!=y1)+ }, r6 ~9 [1 C! n9 g
{* ]* k) f2 |# V+ x6 |
Draw_point(x0,y0,clour); //画起点
% q" `3 G8 Q# Z4 D* k/ j- _$ S8 g y0++;
, D, g, ?% r. x3 m4 o3 a& i& q if(sub>0) //判断下下个点的位置0 g- g. ]1 A+ @# g6 a; Q- B
{. ?5 O, }1 Y& t. a
x0++;' |; ~4 a5 @+ r/ w$ o
sub+=2*dx-2*dy;8 `, ~5 r5 ]. v+ Q# A$ X X& o4 ~
}
3 W/ l2 q; e/ b0 J! I else8 z5 Y- a- b9 G7 s8 K4 p( s4 B! C
sub+=2*dx;% E" [& p3 L" [$ R+ x% x
}5 E$ _1 U. y5 w
Draw_point(x0,y0,clour);
/ t+ }: V/ M, N# B! i; M9 T }$ i/ o G7 {; z
}7 s: h5 i3 T) \1 |
else5 T& `7 ^; l5 L# C6 I J/ m- z( _! Z
{) d. H/ e" H' p- K/ }. a% @
dy=y0-y1;
8 D% p7 n$ H! A8 n0 Q: m if(dx>=dy) //靠近X轴( ?! o$ d+ R& j
{
3 Z; C3 a, \# v4 @* u7 c sub=2*dy-dx; //计算下个点的位置
# e+ D3 P# x- t9 W2 F while(x0!=x1)8 a0 o, x! D) n* y( X& E* `- ?6 N
{- q# c2 g) b# a9 D* B. i
Draw_point(x0,y0,clour); //画起点
/ K7 _5 v# z5 E x0++; // X轴上加14 b0 z B+ W/ i% I2 r* `6 \
if(sub>0) // 判断下下个点的位置6 j( e& u! A+ q6 E2 G
{
: H1 B5 p# U! k) q5 S y0--; // 为右上相邻点，即（x0+1,y0+1）0 i1 u' [& z2 ?7 [) s: W8 A; M
sub+=2*dy-2*dx;
3 G6 L D# Q- F7 u1 y' _" ?4 M }
6 n8 g9 a3 B' h7 t else7 D; w1 y" d4 G0 K. r f
sub+=2*dy; // 判断下下个点的位置
* u g' X% f8 k0 ` }
s) b' x4 S+ y$ W% x Draw_point(x0,y0,clour);" A% R1 ^, T _3 r% y- g
}
- h4 F& G0 P2 J2 a2 C9 @$ @( a7 L5 P else& l7 n. I3 C0 T) F* u1 k8 @
{
( v9 f( u6 Z# I2 O% V3 P" |1 K" W sub=2*dx-dy; //靠近Y轴* F4 E' y( {4 e4 Z
while(y0!=y1)
5 f9 k1 R) j/ W+ P+ R7 P1 K {
. x2 X7 v, V2 o Draw_point(x0,y0,clour); //画起点
- t1 i$ W0 [6 P7 n i# B y0--;, m5 c: D# y3 t
if(sub>0) //判断下下个点的位置9 F+ w" E/ y/ E7 P9 s- V9 z1 Q
{' T/ p" j5 }# t$ n& r
x0++;" x [8 |8 k0 N z
sub+=2*dx-2*dy;$ ^3 q5 d0 D; v2 r3 w& d! e
}/ ~6 w& g$ b, J. U3 a8 Y6 V
else# S- c/ g1 J7 K, V% j; d; k
sub+=2*dx;
9 I5 D* T! B7 l/ ^! D& [& S. z7 C }
; ~/ |0 z* o. S# w2 i8 I/ v Draw_point(x0,y0,clour);' q6 Y4 x } Q) K, C% h
}5 k' L8 o8 X" p2 p; B
}
8 O( i, E/ Z+ ]6 c$ ]4 u9 ?+ J }9 u2 \/ p2 z, i
}/ N" ~+ z! w" j7 z# }2 _# {* J& G
/****************************
" U1 d$ w- x0 t; U2 a9 H7 |7 s+ [4 z//画任意线5 P1 v% P9 u& Y0 c! X9 e
功能：任意两点间的直线。根据硬件特点，实现加速。
: e6 c8 h5 {, J# v- e$ z* 入口参数：x0 直线起点所在行的位置/ m4 p3 G# r. i& h6 [( s
* y0 直线起点所在列的位置
' e. Y! D7 p; f' t* x1 直线终点所在行的位置
1 j$ {8 I3 V5 B‘ y1 直线终点所在列的位置( F0 w% s$ M3 S0 `
说明：操作失败原因是指定地址超出缓冲区范围。
5 x+ i. E. y: b& y/ f) ?# m******************************+ C6 c/ F( A' i. a, b
void GUI_Line8(uchar x0,uchar y0,uchar x1,uchar y1)
7 E" T* w9 f/ I* [$ }{
; ?; q8 \3 g! P$ G o' Y9 Lint temp;6 B% @( Q( m$ D1 e8 E
int dx,dy; //定义起点到终点的横、纵坐标增加值1 k7 r* F. l4 i H
int s1,s2,status,i;. Z# ]2 b! ?. a# r
int Dx,Dy,sub;5 a8 H$ f3 K# a! [4 N' H
dx=x1-x0;
8 H4 ^8 V! c2 S( x: m, D5 H/ uif(dx>=0) //X的方向是增加的
' p* }2 j. w+ L5 m5 d5 b6 n s1=1;
- S3 O7 K8 w/ B# h9 |6 aelse //X的方向是降低的
7 r* ]. T; R8 ]; h- J! G% z s1=-1; ; r( X7 M7 T$ n2 Q
dy=y1-y0; //判断Y的方向是增加还是降到的- \$ B2 B2 k- H) r, _ Q- a
if(dy>=0)4 N3 |7 b' b- C% L
s2=1;
1 G0 u$ _. F( O, r; r* Gelse
2 B/ s% ~8 H2 q% @. g s2=-1;
1 a9 w7 Q$ W3 |+ F( [. [# H
$ I7 z* V: d8 [: |+ e+ H0 c: CDx=fabs(x1-x0); //计算横、纵标志增加值的绝对值
1 z$ d4 E' p3 A; y7 tDy=fabs(y1-y0);) I- I+ D8 O7 i! v; X4 H2 \% M
if(Dy>Dx) // % P x* C0 h9 f7 ~+ r) Q
{ //以45度角为分界线，靠进Y轴是status=1,靠近X轴是status=0
6 m5 I4 ~1 l6 F* ?: r+ W" q temp=Dx;
2 q+ ~& q% r$ ?' q8 `0 [7 b0 s7 L Dx=Dy;9 F/ E' o0 f5 p4 s! x3 t
Dy=temp;
1 W' c8 T' v$ K/ C1 X. u status=1;; |) r, S" B1 G9 i
}
- X4 j# H/ F, v2 E1 r. uelse
# B6 ^/ @# ^/ C; {% |8 v status=0;4 {% z6 h/ `& R* ?5 \$ G0 P% [) }
//////////判断垂直线和水平线////////////' o: w8 w; {+ q3 N2 u
if(dx==0) //横向上没有增量，画一条水平线- p# w( A4 w9 S% b& O* i0 g
Draw_zhi(x0,y0,y1,1);
( }1 b4 b3 ~* i6 z8 D! gif(dy==0) //纵向上没有增量，画一条垂直线/ ^7 ?6 o v% q5 V
Draw_shu(x0,y0,x1,1);+ l0 g0 ^" `/ h' X6 @8 @4 K9 H
8 A/ D7 K& D# ^$ V5 W- z. q//////////Bresenham算法画任意两点间的直线////////// + u& g0 O0 S8 M$ h5 {
sub=2*Dy-Dx; //第1次判断下个点的位置5 o: M( J$ s: {/ z) `- Q% i
for(i=0;i<Dx;i++)0 {: l5 c% E# Q
{ ) R! _" f5 w' k/ l, ?
Draw_point(x0,y0,1); //画点
; Z9 Q9 @% M6 m: ~' s% K c a if(sub>=0) ( t9 c0 c0 t% g: ^% e
{ ; U. g O, s5 `! h+ A
if(status==1) //在靠近Y轴区，x值加1
" L% C1 l! _* a5 U; b x0+=s1; " f2 X8 i9 E; Z
else //在靠近X轴区，y值加1 8 k( ~1 ~7 Q; \+ r) m6 M8 K6 v; k9 Z+ }
y0+=s2; + c2 K0 D; r4 p
sub-=2*Dx; //判断下下个点的位置 5 o4 d% E( y$ y! ~ d, G
} M& i, ^$ M) K3 ?" {6 |/ E
if(status==1)8 {. U) @* `2 \7 G: u6 J) q
y0+=s2;
" B+ @' C/ g6 t c else
7 s( U2 W7 d, J; j4 U+ k2 s x0+=s1;
# }$ h8 b" o% p: E. C! h, D sub+=2*Dy;
+ J8 }* ?6 C! b9 y
- U$ k# ~6 R7 R9 _ } + d0 B \/ t- X0 ?) B' B( S$ p$ O
}0 e% F' D6 K2 V3 \0 L
*/
% T6 `* s( d* F/ s* f0 q8 }( F# l3 o/*********************************************************3 C! I! p5 D8 \4 X/ i9 [
画圆算法
5 p! D! }# K! C9 k9 O q- Fx0表示行的地址 y0表示列的地址 r表示圆的半径1 [* i, M. C% X6 R' o
****************************************/( A! w/ n- [( t3 X \
void Draw_yuan(uchar x0,uchar y0,uchar r)
; I3 F/ F( j* V) T# n" n{
' p8 M5 e* ^8 V4 Oint a,b;
, D' G( j7 ?$ q! Zint di;; o& D# z, Q" U
a=0;' ^& b4 D j0 @& v* h' X, [
b=r; //a=0,与b=r为圆的起始点！！然后往下走！！- t% N5 G' r, ?- [3 S
di=3-2*r; //判断下个点位置的标志 ??
9 d) D- ^3 g3 t& ?6 u2 a* H) Dwhile(a<=b) //里面执行完了说明八分之一个圆画完啦！
- g% V7 v' Q2 A/ [6 a{
& g& Y$ U7 ?9 \Draw_point(x0-b,y0-a,0); //3
/ p8 R$ \( m" {% ADraw_point(x0+b,y0-a,0); //0
) o s' k) R( m& ADraw_point(x0-a,y0+b,0); //1: A3 ]7 p: n' S D9 A) ?
Draw_point(x0-b,y0-a,0); //7
# ~) n* F+ G# B$ c+ g( uDraw_point(x0-a,y0-b,0); //2# W% b) O3 L& N/ d
Draw_point(x0+b,y0+a,0); //44 t6 h( a1 }" d
Draw_point(x0+a,y0-b,0); //5+ o" @! l! T! P x
Draw_point(x0+a,y0+b,0); //6) a. Y1 D8 V& m
Draw_point(x0-b,y0+a,0);
) l' f: H0 }9 B$ n: n9 X; m7 B. {: c Ra++;! i" c2 C( y& n0 [" M
/***使用Bresenham算法画圆**/
$ ` |6 E# L& U |2 Yif(di<0)
2 `5 k9 v, L+ Udi +=4*a+6;
! A( c3 j! X# a4 Jelse0 [5 d5 n2 y+ x5 l
{" [8 D% Q, }4 L! N
di+=10+4*(a-b);
% [4 ~: q, y7 Z5 pb--;7 t- { ]! L5 O" u w# s
}
) f( P( a! t1 U- HDraw_point(x0+a,y0+b,0); //可在此处做想法！！！
! ~( V- P, Q5 X2 I1 n}
! F1 D/ a6 x% j}
) ?! h& x' B3 u( V) d1 X E/ K+ y& m: W h
void main(); ]# u. E4 |+ P' z" y
{
$ {$ i$ B7 d7 ]1 S delayms(100);- X* x' N C) x( N8 l
LCD_init();
2 y* Y7 X5 U4 t8 g4 ^: n' E w Clear_GDRAM();//必须清2遍彻底清除RAM内数据, m0 A2 k/ z' f2 [
delayms(50);
g4 ^5 T3 Z# g! A Clear_GDRAM();//必须清2遍彻底清除RAM内数据
; T3 {: T; a6 k delayms(50);
G1 D3 p/ u) b$ j writecmd(0x01);//加上清楚命令
' F& e& j" q: T5 b5 t8 W delayms(50);
& _+ }4 Y5 e: M; }0 s while(1). Q7 p. b4 O/ _& w
{2 S' h/ d+ `( }) Q! L( M* s; ~
Draw_zhi(65,126,60,0);//直线6 o6 q& e5 S* g# A
Draw_shu(65,124,0,0);//竖线3 t8 ?0 O: e9 l1 k& T/ {
Draw_line(66,0,120,63,0);//画任意线
! Q3 D3 t) _+ b: m% e# R: B Draw_line(66,0,120,30,0);//画任意线2 |4 @- U# z5 S' e) Z" h) m
Draw_yuan(31,31,30);//左半屏画圆
6 m3 t0 F$ ?, u5 Z( x( f) g delayms(6000);5 g/ ?- \5 e4 B) R1 X
Clear_GDRAM();
+ B8 E7 K8 \0 N0 X/ G) o( i/ N delayms(60); H6 y6 p. Y* W% R
Disp_HZ(0x90+2,hanz,5);//显示汉字
. x+ ~" z% b. v4 ^ Disp_HZ(0x98,hanz2,8);//显示汉字
6 n! `. @% N& n. k& s8 ? delayms(6000);
5 i8 }. O$ f# b" ~, b9 w$ x writecmd(0x01);//加上清楚命令
0 r, ^+ ~# u+ n: W delayms(50);- r4 Y! F/ H/ P+ y6 e
Draw_PM(logo);//显示图片
7 O2 \; [" A7 t3 N7 W3 H delayms(6000);
9 [8 V4 A% M! z" I Clear_GDRAM();
- V0 ^6 Y4 q A6 y6 C/ I delayms(60);# Y Z& H8 }- O$ A3 `
}
' x* p, Y6 {5 l/ y( F, L! E% N8 ^}: @; S% [! G+ j* F, |
. Y' ^: h4 W* U) k* l& ]& g; O, {4 _4 \
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发表于 2019-1-18 10:18
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