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玩转12864，划线，画圆，汉字，图片程序0 M# ]+ O/ _8 y+ i
+ T& d- l! M% s E# u8 r1 Q$ v5 H! A5 _
12864并行显示：" v8 J" D) }+ E/ m) F' ?6 h; r
/*********************************************************
: s1 N/ h. v6 k; h 功 能：12864并行驱动画任意线段和园以及图片.汉字程序( y* N- O" `8 D9 S
单片机：STC12C5A60S2* z' b( B m9 x7 N m( O; I
晶 振：11.0592M9 `1 w" P$ U3 \" `5 ?9 G3 B
时 间：2017-3-1
9 M; o4 Q3 ]1 z8 ~) M0 q- a 作 者：苏义江修改整理（感谢前辈的辛苦）" t @% j x8 [5 a
注 释：在多功能试验板成功显示
% w3 |; ^* L; n7 H; Q*****************************************************/+ A% j* X# T+ B
#include<stc12c5a60s2.h>9 w0 x9 |* M d2 @
#include<stdlib.h>6 u. `% M7 {5 v' P8 @7 _( R: n- o! u
#include<math.h>
8 B7 s1 L6 X8 B/ ~/ P9 w#define uint unsigned int9 M4 W( f1 C/ R$ f( I2 U! M
#define uchar unsigned char
3 M X) b: }# C' M3 X1 i6 A# ]# q#define pi 3.1415926
* k1 @7 \8 J& `/ p7 e#define LCDDATA P0; ~& j. z0 F6 A' y% y. Z
sbit RS = P2^7;9 @+ K$ ]. [. g
sbit RW = P2^6;
3 U6 K0 i/ e' y3 i3 A8 zsbit EN = P2^5;
) D. D; F" T$ i0 ?
H6 O7 o! j# ?* U5 M- M0 u, Buchar code hanz[]= {"玩转12864!"};
3 Z/ j9 t7 K4 Q6 L. ruchar code hanz2[]={"苏义江爱好单片机"};
* y2 P+ s5 d2 H' @) U, R& nuchar code logo[]= {
" Y- I. R5 W- R8 v4 h( S- ^6 z2 r% g' f//取模方式：纵向字节倒序
. b# U. a! ]+ Q$ V0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
' `1 o/ }' \1 y- V3 ]- X1 B; C0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
6 ~& X$ J# Z! }4 N' Q" C0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,! q6 Z& n! Q9 U m% j5 ^# {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, - [+ X; q' @( H& ], r# a3 p
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,9 m& g+ }% z7 k( ?0 ^
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
i' k/ A0 G. k& G. J7 M3 Y0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
8 ~( R# }& {0 ]4 |) b- s" B0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0 M9 j- m0 x1 y1 P0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+ L7 I- _& g# L0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
8 H7 |' r& B" H: \2 \0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,. q" ~7 \+ j( Q* G
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
4 P. S& T* e4 k+ h3 D0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,3 y+ ]% ?9 s6 O+ s8 y2 i4 N T
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
7 l; Z; h- v8 R1 z1 S! i3 P0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,6 | h- }. |5 Z" \7 S0 i0 u
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, : o9 S* A9 ~0 @4 L/ c; A7 W" b
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,7 U" d" W; B, L; f* M# }' d
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,3 W& f- ^0 ~6 [1 m: c
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
7 \! \) K. J9 O" b0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
# `1 g! J+ b+ m# o! E' I3 S1 I0x00,0x0F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
) R5 r1 Z0 i9 R* ^* r0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFC,0x00,0x00,0x00,
/ O# Y+ ~4 Z+ T0 S9 Q: c( A0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0xFF,0xC3,
; L+ ]% |4 a$ F( p0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,0x66,0x19,0x8C,0x31, 6 ^ ^7 ^' k, R
0x00,0x3F,0xFF,0xC3,0xFC,0x00,0x30,0x00,0x06,0x00,0xE0,0x06,
1 z4 p+ a" Z* G; _! A0x66,0x19,0x8C,0x31, 0x00,0x3F,0xFE,0x01,0xFE,0x02,0x39,0x00,
; w! P8 g9 F O8 m; `* \0x06,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, 0x00,0x3F,0xF8,0x00,
, e6 t* N3 @' ]; o0xFE,0x07,0x31,0x80,0xFC,0x00,0xC0,0x0C,0x62,0x19,0x8C,0x31, |5 {" U1 K, _- [$ I% c" V, l" i4 T: a
0x00,0x3F,0xF0,0x00,0xFE,0x06,0x31,0x80,0x78,0x00,0xC0,0x0C,
) _, ?4 L# b' Z! R0x66,0x1D,0xDC,0x31, 0x00,0x3F,0xE0,0x01,0xFE,0x06,0x31,0x80,' o$ z, X. F# X( e
0x30,0x00,0xC0,0x0C,0x00,0x19,0xCC,0x30, 0x00,0x3F,0xC0,0x03,8 X' [+ D( v3 \8 [6 [2 g
0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,0x00,0x18,0x8C,0x00, : O/ t. O0 ?' H- O0 j
0x00,0x3F,0xC0,0x03,0xFE,0x07,0x39,0x80,0x38,0x00,0xC0,0x1F,
1 v; a: [" S( |2 m$ A0x00,0x18,0x8C,0x00, 0x00,0x3F,0xC0,0x3F,0xFE,0x06,0x31,0x80,, m6 _! \( W: n
0x38,0x00,0xC0,0x3D,0x18,0x19,0x8C,0x0C, 0x00,0x3F,0x80,0x7F,! a1 e' b2 w5 u2 j7 b) ~; R
0xFE,0x06,0x31,0x80,0x38,0x00,0xE0,0x3D,0x18,0x19,0x8C,0x1C, $ `9 X @* Z, n7 f9 A, b9 l$ s
0x00,0x3F,0x80,0xFF,0xFE,0x06,0x31,0x80,0x18,0x00,0xE0,0x3D,# K) t8 N/ x! M# v3 L$ V3 m
0x18,0x19,0x8C,0x3C, 0x00,0x3F,0x81,0xF3,0xFE,0x07,0x31,0x80,% A1 A% A; P$ ] x; h
0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 0x00,0x3F,0x81,0xF3,: c0 C2 w) R' P6 D3 q8 H7 u( @ Z
0xFE,0x07,0x31,0x80,0x38,0x00,0xE0,0x3F,0x18,0x19,0xD8,0x0C, 5 |) k3 ]& Z& Q9 J
0x00,0x3F,0x03,0xC1,0xFE,0x00,0x30,0x00,0x30,0x00,0xE0,0x3F,
`$ W# F4 a7 B, ?! _0x18,0x18,0x00,0x0C, 0x00,0x3F,0x03,0xC0,0xFE,0x00,0x30,0x01,
. f0 l) Q8 K3 t* W0xF0,0x00,0xE0,0x35,0x18,0x1C,0x00,0x0C, 0x00,0x3F,0x03,0x80,
3 P* G; K. ?# q+ C9 O3 R) k! ^0xFE,0x00,0x3C,0x80,0x00,0x00,0xE0,0x0C,0x18,0x0C,0x00,0x18, & y" H6 O5 {5 f' t) w1 C* P
0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/ N, B1 R l+ L0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0x80,0xFE,0x00,0x00,0x00,
1 n6 x" B$ k8 ?* F9 ~0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x03,0xC0,. T$ @: ^+ ]$ M" K, g# N0 _
0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
M) G0 P% ?) C0 n' w0x00,0x3F,0x01,0xC1,0xFE,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,- l, A0 K7 B+ |, M
0xFF,0xFF,0xFF,0xFF, 0x00,0x3F,0x81,0xFF,0xFE,0x00,0x00,0x00,
( f; y% j# t. F* x& L0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0xFF,
, s7 X" }' H' t* \. i! ~. E0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, ) |- d/ q" ~4 I. @' L1 v
0x00,0x3F,0x80,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
! i' Q; T4 @/ s1 {' I# U" f0x00,0x00,0x00,0x00, 0x00,0x3F,0x80,0x7F,0xFE,0x00,0x00,0x00,
$ I5 s5 m$ F3 y3 _7 |0x00,0x00,0x08,0x08,0x00,0x00,0x00,0x00, 0x00,0x3F,0xC0,0x0F,
: u! u1 b$ O- M. x# J. V% \0xFE,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,
5 l( l0 e6 N+ D# X0x00,0x3F,0xE0,0x01,0xFE,0x01,0x01,0x80,0x00,0x60,0x10,0xD0,0 n0 Y0 \/ p# c. C4 _
0x00,0x00,0x00,0x00, 0x00,0x3F,0xF0,0x01,0xFE,0x04,0x44,0x4C,( F+ Z) `5 j$ }' J
0x89,0xB1,0x93,0x70,0x00,0x00,0x00,0x00, 0x00,0x3F,0xF8,0x00,
4 u' t$ s! x0 Y! v) e4 P0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,0x78,0xE3,0xF8,0x3C,
8 v0 z' R7 n& H! s0x00,0x3F,0xF8,0x00,0xFE,0x0C,0x4C,0x4D,0xD3,0x1B,0x12,0x30,
3 @# C3 g- V) l8 N: D7 M }6 F5 W; q0x78,0xE3,0xF8,0x3C, 0x00,0x3F,0xFC,0x01,0xFE,0x0F,0xCF,0xC5,
6 N$ ?% w/ U1 S3 y$ Y1 }0xF2,0x12,0x24,0x30,0x81,0x16,0x48,0x60, 0x00,0x3F,0xFF,0x01,
! Q9 k* c5 M) X ]' ?0xFE,0x08,0x08,0x06,0x62,0x12,0x24,0x20,0x82,0x14,0x88,0x40, + g5 e1 T! g. [+ p6 F M6 |4 r
0x00,0x3F,0xFF,0xFF,0xFE,0x08,0x08,0x06,0x63,0x26,0x26,0x60,: @+ S, B& i+ u K* n, V$ ?& r
0x83,0x24,0x88,0x40, 0x00,0x0F,0xFF,0xFF,0xFE,0x07,0x07,0x04,
5 X% c2 w+ N6 {4 D/ \$ D8 O( m0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 0x00,0x0F,0xFF,0xFF,: d/ b7 j( b7 e- L: m
0xFE,0x07,0x07,0x04,0x41,0xC4,0x63,0xE4,0x71,0xC0,0x92,0x39, 8 w0 s2 d0 G) U- f# I- n
0x00,0x07,0xFF,0xFF,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
; b7 d( I. {0 L# D% M0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
- e$ D" l) j% V0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,3 @" V$ z, ^& K% _
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, : z& K$ K( e8 i$ N; l3 w8 g
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
; W9 ]+ @, q5 j! k. s8 f" e8 f0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
2 M! B4 l9 t3 H b0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
2 v5 ]/ s% {6 @ W0 b0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, $ j% v8 q# g" B" K2 |+ b
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,) I( Q5 f4 }5 n2 U! J9 H# `
0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,# ~5 K& Y6 ~1 ]4 I! O
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,& ~/ p: r; T7 O1 E4 U) ]
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,. h) X6 u; n9 ^# }* y2 p
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
% e5 s! E6 a8 V. g5 i$ H/ t0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,( g6 B' s* d1 ?
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, d" H& v5 S& f
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, % m6 z5 n: f1 q, l* l! L/ s9 P
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,* m% B8 d4 [- S* [. o+ E7 p" s
0x00,0x00,0x00,0x00 }; //图像数据 ) V- O$ C( P/ V
! d; B6 A( P* v1 ^+ ^! Q$ _8 N+ L& U; _, x. w+ X! l5 }8 L5 [3 z
void delay(uchar i)3 O) c# z" ?# \) U0 f! C" b
{4 N( ^0 V5 j0 b+ Z$ l {" @
for(;i>0;i--);2 O6 o+ c5 t! l& E7 z
}0 s. x7 T# \" C
void delayms( uint i) G2 t6 L- G* J8 A6 T5 V
{ 2 ~0 [$ X# {3 v" \2 M
uint j; 5 v& \1 K5 z" \% j
for(;i>0;i--) + [* G2 w& N! B. |9 n {
{ for(j=1000;j>0;j--);}
) [: R( ]( m8 H; r}& a$ d1 V9 Z/ o5 A
//写指令/ M9 G) p5 Q6 g- r5 x! g# N: S
void writecmd(uchar cmd)//写指令
/ ?) t+ }* U0 H' |* p* O{
U- A v! U7 f. Z* O" R1 }* \ k, H
LCDDATA=0x00;
- u/ |* Q: c5 _; l3 j8 L& K RW=0; . w, d/ ]- n4 |. C+ j; d; R
RS=0;
" A* m1 Q$ W- e& y# Q EN=0;
4 u4 B+ W# L5 J LCDDATA=cmd;
7 q1 z- f0 j% a5 Z7 h delay(2); " G0 \9 i; G5 `4 i) K. O6 N
EN=1;
" @' f) [( t2 Y U& _- U7 p delay(20); 6 w6 D$ w( m; X8 U) J( |/ R
EN=0;
7 {" I" }5 _+ X4 K delay(20); F% `" d" W5 G4 S- q
}/ y7 k) N' ?; g
//写数据
) a2 d5 V; }+ ~5 x/ Q% I% Q7 ovoid writedate(uchar date)- T* Y/ N! P5 `$ K' ?% `5 v
{
: j/ y9 V J( y- }//while((readstatus() &0x80 )!=0x00);
( N6 }' B' b. Z! [: \1 e& o LCDDATA=0x00;
4 b% X9 \( L' `; d RW=0; % l" _0 |& H, N" r. e9 R
RS=1;
5 J* U$ |3 z7 d6 v) D EN=0;
5 A( _' e5 Z$ P7 m: F0 }/ J LCDDATA=date; ' s6 M/ s4 V8 q, m. L9 p: p% ~. Y
delay(2);
3 x5 Y- W- L" S; S2 o s, o EN=1; 3 A: f P. g# |3 _+ Z
delay(20);
) w7 f3 ]/ `3 L. T- |0 o( } EN=0;
+ q/ W* w) W1 N9 ]) P) k4 C delay(20);
9 G8 ]1 T- ?" ~1 I' \}
8 Y6 k; \; y# ^//读12864内部数据
9 ?1 \+ R1 a+ ?4 L p8 ]; Kuchar readdate()3 }1 b* ?! e8 ` Z4 P* W& c! a
{( ~) D' P6 c4 B& g
uchar i;' M/ z! O1 g- M" a4 p
//while((readstatus() &0x80 )!=0x00);- _6 Z3 x6 J5 Z) p4 u. `
* [; ~4 V5 z& L" ]! V6 E; Y4 d0 m RW=1;
! p- r) y/ q6 E5 e RS=1; 4 u9 U! o: ?1 b. _. |$ S% G
EN=0;+ V; b. [, S8 c* @+ T, S/ U) @7 t
delay(10);! l6 z( m3 |# f1 t8 Y& P: u3 i( U
EN=1;
4 }. C7 I$ Z2 e" s8 y' n" ?( ?( F LCDDATA=0xff;
/ S) J i. \8 _! _/ \+ C delay(10);
- R5 Z) d8 n8 P EN=0; - u6 a; Q S' ]2 y5 r
# B7 O! p0 v0 ^8 s$ P4 O- l2 q* j EN=1;
; f7 {+ Y: f6 Q) n9 f- u LCDDATA=0; ' {: {1 U6 m+ a6 r. P/ W0 L
delay(10);
- F. V# j. S$ h
! w& c0 f% d0 A: Z) w delay(10); # |% X6 x) L- `$ c* _
EN=0;! Y6 K* f4 i Y K* x" ^
i=LCDDATA;
$ Y" Z: M0 U+ t- ~; B' I return i;
$ U: I- U( c3 e# f7 n9 o) o0 R- o# ?: w}
: j, [7 [0 G& [) m/*******************************************/ Z9 I1 s) X; j& }
5 ]" C2 b) R+ @2 _ {
函数名称：LCD_init
. G3 g( A; c9 c) P. a4 M6 j
: a/ Z' h9 Z. v7 z' ]: A1 m功 能: 初始化LCD& a4 p' y( E4 w% {& s* @
& g! t- P4 E: G: {参 数：无
" K! b$ K! t/ T. ~+ x: m+ a; a2 y3 y o1 l
返回值 ：无
1 X- Z7 v3 n: r7 @ l, B+ a# E& u+ ]# P% t, y3 S
********************************************/
I6 y6 A$ J) ], G6 E2 s; L
/ W3 h# ~( c; ^4 v: v9 ovoid LCD_init()0 C) G& j4 x3 ^+ j/ ?8 v
( {6 {) R* C; Q5 g" q{
/ m- f; j8 o% P delayms(30);! i" V5 A6 A2 S W
writecmd(0x30);
) } m- u# @9 N/ f# F8 i/ k3 I( @3 c' ]- e- m: y* w( ]8 k
delay(20);
9 p _& g, E' y' \; c4 p# J! j" A* @9 W0 d) p# e4 U/ J7 `
writecmd(0x30);
; a( d; s0 o$ @0 c' J/ U delay(20);
$ I# q5 @. V2 Q" G, y6 b/ m8 w1 G: Z* J9 }
writecmd(0x0c);$ r+ I! c" G4 X$ Q; Q; X
( f% g1 ~- g% D/ u% ~" j; I delay(20);
- l# @+ ~; W+ B. `" x9 f n; V4 w i' N M1 R, M$ L" \
writecmd(0x01);
1 c0 K N' p0 c
+ k9 Q8 k$ A' a7 O" A s) Y' { delay(20);
: `, ] P2 {/ i
8 o; Q' P+ s6 c% {3 D; B6 a& \4 |0 @ writecmd(0x06);
9 H& H5 _( X1 p% |. ` n! \7 z' b* R/ M7 | ^8 ]" m& @9 }
delay(20);6 D. O K- t' I% g
& w( U, G5 @5 I& j$ l}
3 d8 s7 ]0 B9 u& n8 _. S; G! m3 }//功 能：指定地址输入指定个数的字! Q1 X; J$ {2 [5 Z. s: H0 f4 ~7 E
//addr表示地址 * pt表示数据 num表示数据或汉字个数; `9 R& T9 Y8 r0 @
void Disp_HZ(uchar addr,const uchar * pt,uchar num)
) k1 q/ l6 `0 ?7 z{; R% |$ u$ z+ d& W4 f
uchar i; # D( G' X- H0 |( p( g5 M
writecmd(addr); 6 g j& y- T6 |4 \- |7 k
for(i = 0;i < (num*2);i++)
! O% j# ]3 ], U5 d3 p {
1 N( b) i5 W( _+ A7 k. p# H writedate(*(pt++));
' G+ Q7 |. z6 V delayms(1); 9 b6 w0 N4 S3 o* m
}
. W1 [: A" g# `7 v6 e N& y7 v}
0 F6 ^4 t: r7 K! X1 E//清内部随机数据6 ]: c1 |5 B# r8 Z( t! o/ Z
void Clear_GDRAM(void)
% t& h! N _( l{, X" ?, a m, u/ c
uchar x,y,i,j;
* `! h5 j. a& ?( @( | writecmd(0x34); //打开扩展指令集
% z% w9 D* n: D+ S. ]1 ^ y=0x80; 2 ]+ |9 s+ F% l
x=0x80;
( k- O) ~* X0 o for(i=0;i<32;i++)
( p3 w) O4 \, c8 ?3 b V { * [2 Q) W8 `/ S; p e( R0 B
writecmd(y); 3 T# y* ~- i3 p, C) d# [2 q
writecmd(x); ; a7 A5 S! b7 |
for(j=0;j<16;j++)
* R) d# S% f# g8 X+ i { 1 ^: s% n! \) H7 y- J# j V
writedate(0x00);
% H" n7 m) S @ delay(30);
! M1 H' n6 d( x3 o7 d$ _ }
$ u+ q0 [: m! R8 ~, a' a! L y++;
1 a' i p5 B6 V5 V2 s/ M9 b }& W" c7 u: h7 t2 U* c
y=0x80; 8 j9 s, L* c4 o- | q$ t
x=0x88;. c& O. k3 c! x7 b! X$ T
for(i=0;i<32;i++)
8 O& b" I$ F4 ~9 K+ ^ {
, q, _0 [ ?' t& |" Q writecmd(y);
( B& A- U/ C S% @ writecmd(x); , G. v, ?, q! P/ P3 \
for(j=0;j<16;j++)
3 v3 E/ D9 Y. w7 I u { ( ?: i% g" F, D ~
writedate(0x00);
, A5 E6 E& o' `0 f! C) w delay(30);
% s' l7 b0 ]% o* _4 u } , G3 y% k& ]( L
y++;
. Z7 F; U4 j! [* ^7 ? }3 f( y* I% {6 U7 k5 P5 q
writecmd(0x30); //回到基本指令集' F& L4 D2 U6 Q( u) M7 W! C4 D
6 b' G: y0 @. f3 z; s& D5 M/ L
}
# t9 z2 Y( ^' E/ ` g//画图片
9 u' S r! c. ~5 K5 cvoid Draw_PM(uchar *ptr)) Y% G4 I! h e" L: [8 ]
{ ) b$ E! W: ]8 q0 R6 J
uint x=0;
0 i: ~6 A. y" o# R* [/ K6 o3 h# i( s uchar i,j;
1 t$ ^/ Q4 N: H5 e2 D7 p g$ Q+ ? writecmd(0x34); //扩展指令动作
3 L! A2 Q+ f! e, | writecmd(0x36); //扩展指令动作 1 l! f, v$ U9 F1 @4 a; g: k2 w# Y
! E& _# D& b" m2 A: v
for(i=0;i<32;i++) //上半屏显示 1 O- J7 W E' s) [2 G7 c3 E& i+ J
{
& c: d! E5 ?2 v writecmd(0x80|i); //列位置
" [6 W3 V& D7 Y% [7 e7 E6 i5 o writecmd(0x80); //行位置
+ U5 |$ j* q3 S: o/ p for(j=0;j<16;j++) //256/8=32 byte ' K) o7 w% g2 O
{ //列位置每行自动增加
. _0 J+ K; O7 B% _, Y' ~ writedate(*ptr);
: [6 t Y; `+ V% U$ G/ W ptr++;
$ k( s" H7 F( N z; o }
: O5 O6 I6 {: V! ~. V }
2 t. b+ w8 z7 j$ E1 {5 `% ~# ]
, u& H# s3 N& x7 Z, g) x for(i=0;i<32;i++) //下半屏显示 # U, X1 z6 q2 ~4 O* ~
{ % \2 B( O+ f: Q' h
writecmd(0x80|i); //列位置 9 u5 `: t* x. ?" I: _/ R {
writecmd(0x88); //行位置
! S0 t8 d9 t# C- _. a7 P4 H+ n0 T for(j=0;j<16;j++) //256/8=32 byte ) I/ \# b a7 O& T- L
{ 2 X' L" T% I4 ]5 k
writedate(*ptr);
; G' u! P1 O, {6 P ptr++;
9 }# a" \- t: D }
$ _# x4 N- B8 |2 ^' Y }
9 l& a; c5 T' o5 X" T" F4 C" }4 u writecmd(0x30); 0 B7 W. {( a P" N
, O E7 c7 ?) _; m( h
}
8 f+ A$ v3 I% {5 }
8 u! @9 z- ]3 t& }) D) N* Q/*************************************
- P0 F- b9 }( X% s; B功能描述: 读取绘图RAM中指定坐标的数据
( d7 s7 u5 i {: o& g& w1 r** 说 明: 参数输入坐标地址，* b+ g4 Y; r6 I! Z# N4 X
读取后从坐标地址参数位返回数据,所以，
* h3 c' N) ^( h4 k地址参数在输入前须使用
1 O* U+ V5 ]$ T5 @, C5 z* e****************************************' n5 E2 g2 t U& K
void LCD_Read_dat_I(uchar *xp,uchar *yp)5 J" a# z$ `! @. H8 m
{, `0 I) b7 s2 s
writecmd(*yp); //写竖坐标(0x80-0x9f)
0 @' W4 N: g# A. `& F& O: Fwritecmd(*xp); //写横坐标(AC地址) 上半屏(0x80-0x87) 下半屏(0x88-0x90): A8 v% B- u7 { w# \- A! `4 P* N
readdate(); //试读
' V6 g$ h/ U. t$ f' E9 R/ A*xp=readdate(); //读高字节并返回给xp1 E# T6 M# M% Z
*yp=readdate(); //读低字节并返回给yp
. t4 @# W; x% v/ K! N7 y' v J}
& g6 U/ ?! W: C/ c. z*/
8 l! ~7 c. |0 C0 y. p) M! @/*************************************) w# a; e4 Q, U) N: |
//画点 在整个屏幕上画一个点 X 0~127 Y 0~63
0 y& ^2 e4 ?+ W3 b" s& T6 p功能描述: 指定坐标点画点
" j6 k. u: G) \: {( C: q** 输 入: unsigned char xp,unsigned char yp,bit dat
3 r& x0 q6 {, _X,Y行列坐,dat 1写或0擦除0 A( l9 f) Z# r- P& S( I1 Y
*******************************************/
! y' k4 S2 A h, P5 q* W/*
) G! `. h4 H; z! Avoid Draw_point(uchar xp,uchar yp,bit dat)
$ k7 F% B2 _. ~+ f{
. K8 ?$ a& j, e' V+ ~ uchar xd,rx,ry;
- F" |& |3 [2 ^; x+ L& b
/ J1 R# G( |' y9 _2 j% V xd=xp/0x10; //计算横坐标AC步进: Z& K6 W' Y) A3 K5 C' T0 g" R
xp%=0x10; //计算AC地址位偏移
: V7 Q9 H3 u5 I7 { xp++;3 A$ P# s/ F% n3 v, O1 M6 u
writecmd(0x34);
5 i' p- p# }6 |2 o writecmd(0x36);
" q% {. z( C4 n$ ?% D9 ^ if(yp>31)8 |( {0 n9 p# K# n! m3 C, R6 X
{ //如果yp大于31选下半屏# L G7 m+ ~; A9 i+ ]$ Z$ y: X1 W
yp-=32; //计算yp在下半屏的竖向坐标+ [$ ^2 i9 {2 l' Y {; m
yp+=0x80; //地址命名
, W+ V) w( I" w8 E" Y: B$ ? xd+=0x88; //下半屏起点地址是0x88,地址命名& s4 V1 A2 T1 Z; e
}& r E) G5 v9 B( S' l
else
9 C6 {4 f0 G4 s# d { //选上半屏# F# p$ ^/ i) U7 ]/ g0 Q
yp+=0x80; //地址命名
: L4 ~2 H9 S: @! ?: N xd+=0x80; //上半屏起点地址是0x80,地址命名
% R# \ @% h( B, \) _# _ }
9 V3 t" H9 N4 `" U 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3 v+ M/ h; N- u1 O
LCD_Read_dat_I(&rx,&ry); //取当前字节数据8 E6 Z. |9 E1 s' m' { j! x
writecmd(yp); //重指定当前y地址% f5 m* k) \; D+ U" I5 U
writecmd(xd); //重指定当前x地址2 ^4 Z3 y. I! W/ Z+ ]
if(dat)" [, [7 P( }) X
{ //如果是画点
* v8 [; y O0 R! [. v9 C if(xp<=8)
) ^( Q& y3 m$ b! z; f- ^ { //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)
, @& ], [: n6 M 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
9 }# }% L9 h6 z writedate(ry); //读取的低位数据原样写回4 n# s6 m0 \( q* C1 O( K
}1 I+ Z% ?( Y I
else
4 l/ j& R& i( l Y' R+ f6 M6 F, k8 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)) Y( u/ }: ^& Q O
writedate(rx); //读取的高位数据原样写回
/ U4 F( O* C! A2 a: q, s4 m 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
" v. r( d+ Z3 I, J! D6 R+ r9 B }, \2 ?5 Q5 b, [; o" q/ I
}
3 L8 J5 @7 x1 n* H" X& V else4 D6 I% S' M- y1 N
{ //如果是擦除图像
+ G) T* U1 F! F) B7 J: \+ ? if(xp<=8)
( G3 n: I* _" e2 s" ] { //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)9 z! n. G5 t- R1 z9 z
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
( r9 p/ h3 O2 j: T7 ^ writedate(ry); //读取的低位数据原样写回
% N) n/ O3 D6 ^: ^" U' x! x v }2 \9 j9 i; A0 ~8 v! z9 t, m& ]/ g4 C
else0 b1 h0 L4 f5 L8 o4 V& w% ~
{ //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)2 q( ~0 r) w, _# F
writedate(rx); //读取的高位数据原样写回
) {- O' y, ^( L' }' V2 I. K6 {' l+ Q 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
+ Y: U: N) l" h7 N" u2 r* w }! S7 M. v$ U: X* {2 d/ G
}8 G9 n; c$ l$ v& r+ N) P$ u* f
writecmd(0x30);0 a/ z# c* E3 u. @8 }
}
: Z, l" {" F1 w*/
8 W5 t4 V$ C* E$ h" h& s4 _
6 N7 I/ O1 g7 O9 o( |void Draw_point(uchar X,uchar Y,uchar clour)
) a2 e* [9 Y" s9 d5 \// X行 Y列 clour为0时画点 为其它清除这个点3 l- E' q1 ^, M9 K: x' t
{, f# m8 x T' c% s6 V9 S2 h. Z
uchar x_pos,y_pos,x_bit;
6 ]/ f# _; W5 K" B uint read_data1,read_data2,dat1,dat2; , r( V! K( P2 ^+ W
//计算LCD位置2 u3 ], t4 ~9 y
writecmd(0x34);
7 R" x1 O2 {. n2 _ h8 l; i writecmd(0x36); ; d) d1 S- y% `) Z
x_pos=X/16; //取16*16首地址
3 X7 G. O" F& L [& [9 U& q, P7 l if(Y>31)
! u; B% O; U# K* f* t) B 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 # G- M' V( _( O: G7 b7 V$ v
x_bit=X%16; //该点位于所在16bit中的第几位
3 I/ ^! E# U! w, ~$ U f* G y_pos=Y%32; 2 L# A- }5 \$ V9 {* r4 v9 c
// writecmd(0x34); ' U9 T: g- |6 Y w3 U' C
writecmd(0x36);
" F2 z& j% q; i" u# i3 L writecmd(0x80+y_pos); * Z8 x0 h# J2 u% F# k W5 G
writecmd(0x80+x_pos);
3 p* x8 m: L7 V$ o5 a1 v8 m readdate(); //此处为什么要中上不知道为什么？？？？
) D& v( M6 T# X; n2 F1 R read_data1 = readdate(); //高八位! / X( w; ?, O+ ]% ]6 q" ~& h0 ]& g
read_data2 = readdate(); //低八位！ 0 g( L. R# h3 H6 e( N
if(x_bit<8)
. ?$ x" i! z+ o. h { 7 _6 l* i; q5 d6 d8 Q% P* I i8 w9 ?
if(clour==0)
& K# z. i: O0 f! P G7 a {
* g8 \9 u R/ U& O( T dat1=read_data1|(1<<(7-x_bit)); 0 K2 z9 g; p( L. @- R1 c
}
! A/ f+ t& |4 o n6 K6 U" C else
6 Q' r6 D" P& [( U7 \# o { c/ b# _/ X$ B3 t
dat1=read_data1&~(1<<(7-x_bit));
# D$ i: R" ~- [, m9 U1 d } ; ]$ F) m* I! t, F1 \7 m
dat2=read_data2; ; h) j ^2 S" J+ L! A M
} H* {. C, q( K7 x! M( C' n
else $ x. A6 }- Z1 _% H
{
7 H9 X" H n9 `3 T6 ^! i) I; K dat1=read_data1;
2 E. H& F% _3 c v6 A+ l if(clour==0) ; b- d* L; R3 _6 d
{
6 F6 T; K$ z% ~" m' Z dat2=read_data2|(1<<(15-x_bit));
/ @ O# J2 Z( ^ @ }
0 m$ j8 w T" O* S2 C2 C( d w# |, v# P% [% w8 T8 s( z% h
else
6 H/ @6 y' J$ I/ d) Z4 i3 ~ { + E5 p. V# r, f$ V: |. P% Q
dat2=read_data2&~(1<<(15-x_bit));
3 r) s! G$ A0 e% e9 J+ P. t5 L( m2 D }
$ |1 T% |' U0 A. H5 C' s" T2 N }
* R6 s x3 B* n& t: k3 D, Y; l D6 S4 `4 a( T5 j/ u* @
writecmd(0x36);
% m' f( L* a+ T writecmd(0x80+y_pos);
& e' U0 X' H, f writecmd(0x80+x_pos);
& A5 R# c9 |- Q# r9 D: n& I! F& \ writedate(dat1); 3 S D5 i) ~, u$ @# n) w; D
writedate(dat2);
2 w0 g, i+ l& d. R writecmd(0x30); ! f. r9 C+ a! ?. X
}+ x% t& W/ H9 U# V6 \
; u: q8 e" a* H, F4 e8 A1 @
//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
, H6 }# y& y, Xvoid Draw_zhi(uchar X1,uchar X2,uchar Y,uchar clour)+ m( ~' S' d7 z4 j2 X8 Z0 `
{
: U! H- Q! h) `' A, { uchar i,temp ;8 h5 z- E0 Y& ^, c# m& c
if(X1>X2) //X轴上，起点大于终点，交换数据
; p. P- ^( o8 [ {" B8 {- I* {- g5 i) j- B* h
temp=X2;
# C: e: Z& j4 ~) o3 q0 J0 S2 x; j& f! { X2=X1;
/ J# @, _) t) F X1=temp;4 D/ b* }; b5 G C* d& M3 {- l
}
/ C7 W1 V! [ T( B for(i=X1;i<=X2;i++)6 s+ _0 h+ J& U! W& N
{ |+ g, ~/ b1 d$ o/ Q6 R
Draw_point(i,Y,clour);: C6 W3 @& u% r$ ~
}7 T$ E* d6 z$ k7 a
}9 W2 k9 E# N6 u& r
//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! K% g% l- h7 Qvoid Draw_shu(uchar X,uchar Y1,uchar Y2,uchar clour)
4 k1 R; b* X4 o/ r{9 Z% q0 N! w: `# O2 J7 |: Z
uchar i ,temp;
1 p7 ]: |! I6 W0 [ if(Y1>Y2) //X轴上，起点大于终点，交换数据
4 \0 P: U- t% s7 x {2 B) o. q# l$ W# N6 C1 j
temp=Y2;1 D1 A0 Y `1 V. B1 g) B" T! ?
Y2=Y1;
- e5 a, G2 J, i- N( } _ Y1=temp;
. S" Z( }& @0 ^' k7 q/ h& T }4 g4 n* L7 `* t x
for(i=Y1;i<=Y2;i++)
/ s9 h% G( S+ k# P' D5 b {
' I- K2 \+ Q: C& l k0 @3 G Draw_point(X,i,clour);- B4 Z7 ~( c1 Q
}$ J$ F9 _- v6 d! r+ A
}; D8 l5 n+ T# r. k7 Z7 p" u
) l( t- s. q; W. z. d/*******************************************
* p- g8 _ Z f t- u' c5 w; Y函数名称：Draw_line
& W7 Q5 K$ M) B$ G7 c/ V功 能：在整个屏幕上画一条线 任一的角度都可以画线！！！！
" R1 Q# T5 N3 M" T, a7 }6 B参 数：ptr--指向保存图片位置的指针" i4 O5 i3 T1 X3 }' @2 W
返回值 ：无. k1 a Y7 P4 {7 Q& r. B- B
clour为0时画点 为其它清除这个点
/ ?$ b: g; g8 F9 ?; |********************************************/
' \4 V9 I: R2 {
/ V$ B( F+ {2 Tvoid Draw_line(uchar x0,uchar y0,uchar x1,uchar y1,uchar clour)
, T' T1 ^, l9 \{
) A0 u% U6 O. g, e8 J int dx,dy; //定义X.Y轴上增加的变量值" |5 u+ F. ^+ v; c v$ Y2 H
int sub;6 P* k& ]6 E2 h; h
int temp; //起点、终点大小比较，交换数据时的中间变量 M/ {. ~. w! u X
uchar flag;
: }. i' [& G4 s3 e* d& j( }( K if(x0>x1) //X轴上，起点大于终点，交换数据
/ V, b5 K9 L) G6 t" E, k* `$ s {
) d' ?5 C. X8 L) }2 \2 }* Z temp=x1;
2 E( G7 x. w9 c9 s1 r x1=x0;
. T7 i0 n( Z3 D x0=temp;" \+ W3 C( w$ `. o. U1 u
temp=y1;7 ?( @8 T* [6 l; s
y1=y0;
. u; l& C% j4 h5 }- }' H8 }. v& C2 r y0=temp;
4 m d4 W2 ?/ w. m1 ] }
0 P0 Y) W M6 x O+ M. ~7 {, v1 M dx=x1-x0; //X轴方向上的增量
% k( N: @, `4 W3 `$ i dy=y1-y0; //Y轴方向上的增量7 [4 R4 u, q8 V/ w6 q; ~
if(dx==0)5 [/ U) W% o2 v* ]3 w
Draw_shu(x0,y0,y1,clour);! m- E2 ]: f3 d% I( [
if(dy==0)
( L+ B( [: S+ S6 X Draw_zhi(x0,x1,y0,clour);, ^& _& m# B: ^' y$ L* R4 G( J
if(dy>0)- L3 B% D }% v& ~/ M1 H7 d! A
flag=1;" C' b( j8 Y3 i' p/ |4 c
else: I$ O- M: p# r: V. ^" R* i# Z
flag=0;
1 m5 I$ {. {1 [" d3 O if((dx!=0)&&(dy!=0))
# U& l. m- Y& M; @! O- _, t1 W {
3 f9 J& b: E- Z% `0 U% ? /* 布兰森汉姆(Bresenham)算法画线 */, I. f0 P9 J. M
if(flag==1)/ l7 M; w, K8 C1 g8 ]9 ~/ I
{
; v) Z% q% ]3 c; B if(dx>=dy) //靠近X轴
5 p) _0 r+ E7 A0 `0 L4 G {' f" b" P" z1 C% J
sub=2*dy-dx; //计算下个点的位置
! s5 s! x7 u6 M( [6 q; { while(x0!=x1)
% S7 I- M! c: d5 Z5 { G3 B* b {
0 f! B4 T8 K7 z- c3 Z5 J) s3 o: ^ Draw_point(x0,y0,clour); //画起点 S I& O* u+ z& F+ N: q' I5 E1 z
x0++; // X轴上加1
# n3 t+ o% e0 R& v9 L! Y* L if(sub>0) // 判断下下个点的位置0 D: z" @' x' Z% T4 Q9 f" M) [, I
{
4 L& g& [; [) t+ l. | y0++; // 为右上相邻点，即（x0+1,y0+1）
( C4 H2 H8 }2 }4 h9 g sub+=2*dy-2*dx;
5 `# L& o" Q. Y3 ~6 W( D }8 {6 u( A: e" ]( N
else
% V" k0 R4 Q6 Y sub+=2*dy; // 判断下下个点的位置
, U& `' j5 E0 v; j4 k! I' v }4 I. G! d$ E1 q% N* O0 L
Draw_point(x0,y0,clour);
9 Z8 C; N! R8 q$ z$ v& b& g }3 a T/ X; C3 c" ~$ {2 d" R
else
( m T/ \, \( D6 o {
: A& h6 Q1 ]: i4 k sub=2*dy-dx; //靠近Y轴7 v, A8 R1 r; S) T7 {9 k# e7 X
while(y0!=y1)
7 x$ _- S. T3 }6 x {0 u7 W8 Z0 R9 u7 s. l2 n3 x$ ~7 d6 S
Draw_point(x0,y0,clour); //画起点9 g8 i6 X! ]' e
y0++;& |( b) a# Q# p9 k
if(sub>0) //判断下下个点的位置
+ M- g: n1 @- A3 A, ?, n5 }* V {* M; j- T9 B3 \) ]% {2 m
x0++;
* _+ m$ i1 g4 w+ s6 v) _0 V sub+=2*dx-2*dy;
+ j0 n6 e: t! r }
( i7 }9 y4 F9 ^; w0 P" X" H2 i else
$ j) S! S- S1 n7 [" e sub+=2*dx;6 n+ P1 F i* L( H L* ]
}# W" d7 v! t% R; c. q/ v8 r
Draw_point(x0,y0,clour);
# o# }* Z# l: ^' g4 u }* @# u6 K" X/ J' u5 G
}0 w6 f4 G4 K3 h0 D$ k. [6 z9 {
else- S) F+ y y, J: g
{
+ g7 k p" M" ?9 R8 } dy=y0-y1;; P. `% Z' A' o4 x4 b/ ~5 I
if(dx>=dy) //靠近X轴
* E, B# m3 J) D {
- K. R4 G! c5 p8 [ sub=2*dy-dx; //计算下个点的位置
) B; J0 Z" {- b. i while(x0!=x1)
0 b) S4 G" o9 A) p5 e, n {* T' A! L* n: V) G
Draw_point(x0,y0,clour); //画起点3 Z }" U4 B% B( T* v
x0++; // X轴上加16 M4 y4 E0 k7 [1 P# N. G
if(sub>0) // 判断下下个点的位置
% I; y& `0 p/ {; d# Y {, G9 W( z7 I) d1 t S- i) | R
y0--; // 为右上相邻点，即（x0+1,y0+1）
8 q( v6 {: {: U sub+=2*dy-2*dx;
+ `5 Q" Q- }( l/ n$ a0 ^( |% a }3 ]5 f3 j4 m: K4 d# a, t
else6 ~. I# q+ p+ R- K" e& K9 E
sub+=2*dy; // 判断下下个点的位置
2 B6 M# @$ f% O$ @" `) x; i# ~ }
9 Z; V9 m3 E7 w5 a' \ Draw_point(x0,y0,clour);
' `- J- d7 B$ D8 { U }
1 M; s B5 O8 k5 X6 J+ [$ @ else
" N: g' h% N" b$ H! A% @2 Z1 d {6 |3 T& l( J3 [& Y
sub=2*dx-dy; //靠近Y轴
. `' `& }4 z6 l* m5 u& S while(y0!=y1)
1 z- c5 i4 v0 q) \- |( G {8 c+ M$ J9 R& `. N
Draw_point(x0,y0,clour); //画起点
! m D x" b, P M H( ~$ F/ O y0--;# p2 {+ c& E7 ~- j
if(sub>0) //判断下下个点的位置5 N! @: T& W* `( I) n2 o5 `0 `
{8 t9 h' D8 f9 U* V( X: l8 R) z8 d
x0++;
0 M) D. z* J4 \ sub+=2*dx-2*dy;
% q+ Y+ P C. F }3 O; [+ }' \" Q! U: V& d
else* y5 B8 X; g! M3 w; N3 r. p
sub+=2*dx;
$ w0 R; ~7 V& `* @; N# C }
3 e# z8 W3 A5 l4 H+ x) G Draw_point(x0,y0,clour);
9 ]+ V6 V/ F1 k* _; ~ }
% p8 f1 g3 p1 n0 s# c. [ j5 ~ }+ \' T# ?- t, K8 N2 @5 S5 s# w
}/ D7 @1 D& B# T0 [
}
* x. e( w* C9 Q% [# ~# ^# H, ^) [, J3 r: z& G
/****************************: R" l: C. Z9 q2 ]
//画任意线
. Q. X; f) |4 J9 s% l功能：任意两点间的直线。根据硬件特点，实现加速。
- O. ?9 }# J }. ?* r' P; h& O7 y: e* 入口参数：x0 直线起点所在行的位置; |$ u& [2 c W0 D
* y0 直线起点所在列的位置
3 M/ J7 J$ U6 \9 W7 c% g: ?* x1 直线终点所在行的位置' B+ s7 B$ f) o4 b# T
‘ y1 直线终点所在列的位置7 B. T& S$ E6 G1 p! x3 u# n
说明：操作失败原因是指定地址超出缓冲区范围。
) l5 p. d0 n( y9 g% x" K4 N7 ^4 n******************************
7 i: M- T2 u5 @, A, C n j hvoid GUI_Line8(uchar x0,uchar y0,uchar x1,uchar y1)' S0 I. W. \4 w$ z: @* |3 e) t5 L7 p( U
{1 n$ V! L3 _5 d9 Y
int temp;
9 C. x% B* S2 V; vint dx,dy; //定义起点到终点的横、纵坐标增加值6 ]1 q9 Z1 _) n- Z' t% W" u
int s1,s2,status,i;
( V/ `( y4 n+ z- I' e8 Aint Dx,Dy,sub;
: H8 l' q2 I" F$ b: v8 |: f1 o) I1 U) X+ j" Z0 Z) D
dx=x1-x0;
) U% s, s* R& g; w2 Q" J: c% A0 pif(dx>=0) //X的方向是增加的
3 [6 C' r9 o6 X* v) }- j s1=1;9 E5 Q: `9 M% L, t P
else //X的方向是降低的
0 U2 H% S5 k' X4 B; S, n' E s1=-1; + l9 R2 J* ~, q! H0 ?2 Y T
dy=y1-y0; //判断Y的方向是增加还是降到的+ k9 d% }) T" R, p& O5 R
if(dy>=0)
) @, o# m7 o; ?! s( G3 q s2=1;
" D Z6 v+ i+ {3 oelse
' c2 k& b: D, p s2=-1;
3 O0 ?0 }( C6 e8 y4 Y- s4 p( S9 g& E3 o; ]% f* N, f7 d: U
Dx=fabs(x1-x0); //计算横、纵标志增加值的绝对值
* S4 @. B9 o5 n* d0 ]: v& qDy=fabs(y1-y0);
6 H0 B- ]1 K& nif(Dy>Dx) //
}: {) }; u. v( m: f( g { //以45度角为分界线，靠进Y轴是status=1,靠近X轴是status=0
- b8 q- D. E2 m! M temp=Dx;
( |# F/ ~( F3 z2 V- x: v+ [& Z Dx=Dy;
# ?6 M3 c- X+ L Dy=temp;
! V- U9 P& C* T status=1;
/ {# ^9 y( f# M u) }( c$ _; l } # Z. L, g- t+ V5 l4 d! d. Y: \6 Q( m
else1 _. S' d3 v; t
status=0;
: L/ j X" a, g4 |5 K
: N/ i- @: b' I' ], s//////////判断垂直线和水平线////////////
3 p* `0 y$ q2 Xif(dx==0) //横向上没有增量，画一条水平线. A# \& h7 m' h
Draw_zhi(x0,y0,y1,1);
4 i- T' j9 A) R4 I9 Z1 `if(dy==0) //纵向上没有增量，画一条垂直线: P+ I1 R+ {3 {% N3 H
Draw_shu(x0,y0,x1,1);" A) U9 Q, Y$ E* Q) _& A
; I' o$ s. W+ t% ^8 T
, y: }! L9 a! ]/ M2 u4 \) \: B$ w
//////////Bresenham算法画任意两点间的直线////////// 1 j) [* E1 r& |0 Z/ ~; y6 ]
sub=2*Dy-Dx; //第1次判断下个点的位置/ V% Z: L8 ^) u
for(i=0;i<Dx;i++)' r& N- d+ F' }3 K
{
6 x: Q8 w, G! I) x) N7 @% E Draw_point(x0,y0,1); //画点
7 {" d4 }* G# n& s if(sub>=0) ( ?2 K: a3 j- O2 ?3 d& c& a
{ / ]0 L0 i Y" D+ j7 A: }
if(status==1) //在靠近Y轴区，x值加16 U( z' v# |/ }: ~4 W
x0+=s1; - i; N6 i" m" O: X* R6 |) _
else //在靠近X轴区，y值加1
4 ] m8 W& R; ]5 h1 L y0+=s2; 6 F% D4 r, U/ e6 m" ]$ e
sub-=2*Dx; //判断下下个点的位置 9 l5 ]. b+ V& {) f+ K' @
}
4 b. x0 J! P# I$ n* h0 m7 d% I if(status==1)
3 U. ?. |7 N) u5 a4 q; C/ B7 \" [7 M y0+=s2; 4 p& g( L. h4 p: V
else / B6 F2 U% u, k( F
x0+=s1; ' w. B. n+ v$ b& _! r
sub+=2*Dy; 1 i+ |4 e3 y" J0 }: f
# f- p! q/ T8 J X9 u }
' }+ [8 a0 @+ H2 K}$ r$ c$ n& I# c* k, U
*/
& v! ?& v& j: C& m0 y/*********************************************************
; R* w' f- s* @# Z3 y
% t& m8 r+ _4 @. f% W画圆算法
8 B: r/ r3 d) x. c5 O! q/ }x0表示行的地址 y0表示列的地址 r表示圆的半径
5 t Z. l p" W0 w6 m# `3 N, G****************************************/7 G6 |2 d, Y7 ~6 y) F2 T6 r
# x3 r' b9 L2 s3 a, [- Dvoid Draw_yuan(uchar x0,uchar y0,uchar r)5 w X: B% E) j- V2 R" G
; q* M& Q& W5 {; V{
" t4 `. V' A" `; [6 }3 n6 ~! A1 _" a5 L
int a,b;% r( I9 h" O# | @( s
, I( ?: I" v7 a, q, m
int di;
3 t+ j {: G# p% i1 @) Y; ^
7 i6 d8 t& ~ i. V! N. da=0;
( ~) M! `9 v7 q- S1 }1 Y! T, I$ v* Z5 w' ~/ ]! B8 Q- Z9 x
b=r; //a=0,与b=r为圆的起始点！！然后往下走！！, P/ e% [7 k6 R9 E ]
9 x) K- H0 l! p. o1 Z4 n' v* |di=3-2*r; //判断下个点位置的标志 ??7 k9 I% [8 o9 ?) ~2 ^
4 D' n$ L% e% r! W% k* O, wwhile(a<=b) //里面执行完了说明八分之一个圆画完啦！! a& k3 K" p7 G; ?& t
" s1 `5 \) Z) `. Y{
) Y- C: H* A: t' M4 }6 s
0 s/ S% Z2 H. {) sDraw_point(x0-b,y0-a,0); //3
" P9 e0 T* T4 e" H ?( Y
3 m( V7 v& v9 A) rDraw_point(x0+b,y0-a,0); //0+ @, h- C! P( Y2 P2 a' ]
- W3 B( T, G/ `: q {' r4 ?
Draw_point(x0-a,y0+b,0); //1
# |' i0 Q: [2 K# f& D4 s+ r) n, _# Y6 D( e. K
Draw_point(x0-b,y0-a,0); //7
. }" ?/ V6 z. n' J. T0 ~1 r& D. T5 m f* b- \8 G& L3 O
Draw_point(x0-a,y0-b,0); //2( ]( O4 L6 i& \- R
1 V. M; s; t, _6 W$ z% l
Draw_point(x0+b,y0+a,0); //4 e& O' ^, C9 S0 N
9 b' S0 `, X3 w. H
Draw_point(x0+a,y0-b,0); //5
) H1 `7 X) k$ E' S7 r. S1 E9 J# e' G1 H8 A) A
Draw_point(x0+a,y0+b,0); //6( w5 H2 |! Q- n7 P
6 D, A7 S- G$ }, g) H$ c
Draw_point(x0-b,y0+a,0);3 J$ g! j, n) W" C3 E5 j: l
" d5 R% e" G+ O% {a++;
) A( l( v1 y2 J7 I) z( l8 k$ J
: o s# c' x; z# y/***使用Bresenham算法画圆**/$ [& N& h6 w( T5 H1 A" z# k7 v
$ v. O+ K/ M6 y9 e0 L& G6 Q3 _7 X* P( `if(di<0)# X* y @% _* [0 X/ C) @- Q
" F9 S' v+ g1 i
di +=4*a+6;
) Z, _4 u k# h" k m! K |! Q+ i) H
else; K9 p2 {. p$ F9 O; u
8 J6 i) y1 \4 { _! E( d& X3 ~{
( k% }3 d+ v9 \, @7 W4 ~8 t! H+ j
di+=10+4*(a-b);
W: p2 K/ j z! `7 Z4 y" H0 a* L+ ~- R0 y) M T) ^
b--;8 h* D# p% Z3 b$ \. M: B
/ i0 H1 h0 H4 _
}
( H8 {: P/ D/ ]. o6 {8 Q- k- U* c h' a2 R+ p0 y
Draw_point(x0+a,y0+b,0); //可在此处做想法！！！
9 ^/ |6 @0 s' v% {0 s5 T2 u# m2 ~
}
: X5 n$ |3 j0 \5 M" i2 z7 R
1 d0 U Y3 {8 Q; U1 F0 H6 Q}
. [8 p" Y4 B4 U/ @$ \+ z# i
4 {* ^7 X' y. j3 c& n* }0 L3 W$ i# h- [, y
void main()
; D- `2 I! y r' e9 H{" k! h0 p& g$ q5 _' i; F
delayms(100);# @, ^8 \- ~8 ^' l+ r
LCD_init();$ T" h4 o1 Q( C- a. ~ n9 h
Clear_GDRAM();//必须清2遍彻底清除RAM内数据
: g6 x+ u# M* K6 [, l/ S delayms(50);
8 l+ R% O9 d0 j, p Clear_GDRAM();//必须清2遍彻底清除RAM内数据
5 n+ Q6 D0 N5 n$ n( E delayms(50);( A8 s) X. p( O2 [% \
writecmd(0x01);//加上清楚命令
{" A# X! c0 d, r1 l delayms(50); : `) G: R% S# T5 a ~5 p" c8 C
while(1)
+ V1 R; X% E. J7 H. e$ ^2 K% h {
5 \# s- r0 b# s' x! x+ {+ J Draw_zhi(65,126,60,0);//直线
5 M- U+ L' y- j; y# V% L Draw_shu(65,124,0,0);//竖线
2 q( O2 q$ x+ \ Draw_line(66,0,120,63,0);//画任意线, i: Z0 H# v0 Z5 V
Draw_line(66,0,120,30,0);//画任意线! T! A0 z$ A+ H" q: l% G$ r9 K
Draw_yuan(31,31,30);//左半屏画圆" r" x* w/ M" n
delayms(6000);3 \" h+ p% ]5 [. i( c( I. C
Clear_GDRAM();) O B! Z2 l6 F l' I
delayms(60);
% {5 B: \1 ]4 h$ }, j4 _ Disp_HZ(0x90+2,hanz,5);//显示汉字; \; v3 {4 ?- p- Z
Disp_HZ(0x98,hanz2,8);//显示汉字% a; X2 |: N# y9 M1 c; t0 I
delayms(6000);
0 p% q2 c: L" [. }$ V9 b$ G9 V writecmd(0x01);//加上清楚命令
2 J- R5 s$ o8 E1 \* Q delayms(50);
* X5 \/ r. N. m$ e7 T Draw_PM(logo);//显示图片
}/ i$ m5 j& p( c: h delayms(6000);. H& z" v& i% x) @2 e0 U6 V$ S
Clear_GDRAM();- y5 _1 o& ^! L; b5 I/ _% V
delayms(60);
3 Z7 W. N) I% J2 u9 A3 Q5 _+ F }
" g5 H: K) h9 ~! |6 B( T) ?8 x6 ~; ^}
- k2 K/ a5 a l' s& K6 W* h2 z$ v9 L+ I3 a: R% G. L
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发表于 2019-1-21 09:42
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