本帖最后由 TLLED 于 2018-10-27 18:33 编辑
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4 b" u4 Y, f( w! K" W 折腾一下午,把LCD 12864驱动成, LCD模块没有资料,程序分享个大家。
1 d$ N) d b ` 一、硬件部分:; i* T: V; a" a U$ F
手工搭建硬件电路
2 Q- ?* g {2 F 1、显示模块焊接:6 q' k- P3 t9 u% u+ W
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2、 焊接完成
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) W& R5 p- C; A, m! d 3、显示效果:4 N. U% `; ^( p4 s- V
* X& o& h7 a9 C8 S3 j4 d3 l 4、整体连接图
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二、软件部分:
2 ]: y1 c( C% X T4 C: z 1、ST7565驱动部分程序代码:8 g+ F Q* q4 L
- void St7565_Port(void)$ t* o% Q# ^: Z% c; p
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$ M3 A8 |+ U" |8 l% S; R - GPIO_InitTypeDef GPIO_InitStructure;, r& R$ z# Q0 Z/ B" z$ b
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB , ENABLE);
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- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14; " L3 ]& W* T& M
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
2 N( K/ R4 U: T8 Z ^& j# W - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
# ]; ?5 M" W& |& m' _; s - GPIO_Init(GPIOB, &GPIO_InitStructure);
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- void delay(uint16_t ms)
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- uint8_t j;
- E3 F/ n, Y% M4 S$ y: T - while(ms--)
' p4 Y! t& F3 i - for(j=0;j<=20;j++); / z# |; D$ E( {2 u3 u
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- /************Serial*************/ ; e* W- m/ W+ j; |/ ]) i# N3 b
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- void St7565_WriteCmd(uint8_t com)
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- uint8_t i,j; 6 g$ h: i. j3 b$ M Z
- lcd_cs_low();' T" M! u! f7 {
- lcd_a0_low();; A d& l: M a3 M& j" _" O
- lcd_sck_low();
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- for(i=0;i<8;i++) ; V3 _; L4 |: j; R' o
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- j=com; $ ?# z0 U- s" A
- lcd_sck_low();
9 _: B9 _8 d( e - if( (com&0x80)==0x80). `6 ?' k# W1 E! ]) @
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- lcd_sda_high();; v! Y3 k$ G# [/ f
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7 x8 {8 T& v6 T( T! H3 x% G - else
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! e5 w0 ]7 o# A# _3 M - lcd_sda_low();
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# x2 c3 X( x: _- S% D - lcd_sck_high();
0 Q( ?9 h$ U7 i. v - com=j<<1; ) {; V$ D s' A+ J5 i) ]
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- lcd_cs_high();
6 i( j/ _! } y4 l - lcd_a0_high(); % S' F. n' P4 e$ {6 Y$ A
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, t$ \4 O- @: e - void St7565_WriteDat(uint8_t dat) 2 N* X' C" |7 ~9 E) m7 l1 B
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3 i6 L. g+ t2 u& X8 v - uint8_t i,j;
% V, K1 j1 J; K9 s4 _ Y - lcd_cs_low(); //CS=0
! x7 C4 c: H( v - lcd_a0_high(); //A0=1
. N9 q% M% m# b9 r1 J9 i# R - lcd_sck_low();
0 ]7 O9 ]# S% C& G2 u - for(i=0;i<8;i++)
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- j=dat; 6 v9 }' r* E7 O7 c2 {5 M% d( V
- lcd_sck_low();5 s" I' T( o2 O; p/ a6 W
- if( (dat&0x80)==0x80 )
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: I- K6 [/ `( e/ z, P$ H& @% c4 ?: E - lcd_sda_high();2 ^; O. W. \$ J2 w$ f) ^* k" n
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- else
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) ^) w2 M" w( h - lcd_sda_low();
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- lcd_sck_high();
% [) K& X/ Z! H1 p4 R - dat=j<<1;
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. A! a. t+ M7 l1 Z8 u - lcd_cs_high();* s$ z+ f; I* k0 G( `) m B0 _
- lcd_a0_low(); % @( b& Q" @1 C/ l, I" Y
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2 B( W$ w5 [- h+ X+ M3 B- void ClearDisplay() 0 w$ Z# }+ Q; O# E. d% ]' I
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- uint8_t i,j;
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- St7565_WriteCmd(0xB0+i); // (Page = 0xB0)//???????
; ~3 I4 n' W1 V( R9 p - St7565_WriteCmd(0x10); 7 R( K. F* ?& K9 [" g; r" C
- St7565_WriteCmd(0x00);
' C' O; [8 s, K v- R( G3 `: F+ { - for(j=0;j<132;j++) //????????
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I2 W3 k# g& B0 `$ o6 ~ - St7565_WriteDat(0x00); ) k U4 s* {3 z* z v1 W
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- void Setadd(uint8_t xl,uint8_t yl) 5 ]& T- Z" L/ a: t6 q8 Q
- { uint8_t i; - A5 _) `9 i- O7 b' R
- i=xl&0x0f;
( q' F* ^- E3 u. l3 y- v - xl=(xl>>4)+0x10;
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3 e4 c& [; D& w1 K, j: |" \ - St7565_WriteCmd(0xb0+yl); 6 S& J6 |) J3 Z3 V4 R
- St7565_WriteCmd(xl);
! P. ]( w9 \2 h+ I1 o3 t' y - St7565_WriteCmd(i);
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- /*******************ÏÔʾ8*16 ASCIIÂë****************/& v& i1 v, E! S
- void LCD_P8x16Str(unsigned char x,unsigned char y,unsigned char ch[])
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- unsigned char c=0,i=0,j=0;4 {1 R" b* R4 Z1 t
- while (ch[j]!='\0')
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, Z3 [9 ?5 d% M; X - c =ch[j]-32;( D0 n1 \5 i0 ?& E9 {5 O8 L6 _- C
- if(x>0x7f)
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1 g. l7 K3 j1 U1 L - x=0; % S0 {8 ^8 F- s ]0 K( _
- y++; ; E* k5 a$ S& q5 X, l* }# z" W2 D
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- Setadd(x,y*2);1 W8 Z! F" M8 H" M* x
- for(i=0;i<8;i++) # J) F2 M' w6 x8 o
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% X# ^, y. U% K9 v( n6 I - St7565_WriteDat(F8X16[c*16+i]);//Delay(10);% q' t E5 O# j- {8 s. r$ W
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- Setadd(x,y*2+1);3 V+ f, _4 X) z
- for(i=0;i<8;i++)# G0 j) g% w, }+ D$ X
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9 i9 d' [# P: h C* d: ? - St7565_WriteDat(F8X16[c*16+i+8]); //Delay(10);
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; a. w% R- F. B. U! e* M F - x+=8;
/ _' T4 O! y$ S( ? - j++;
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- void Init_St7565(void), O( y) X) |0 }9 ^5 d" {* S
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/ j# v+ N) O5 w, u0 ` - St7565_Port(); # F: @, h* B# B
- lcd_rst_low();1 U( r* e/ e6 e" W! U* W- j* ^1 G
- delay(200); ( F- O3 j6 E; ]# m$ }; z' L
- lcd_rst_high(); ; i- g/ f: }+ ^% N5 B! m
- delay(200);
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- St7565_WriteCmd(0xe2);//internal reset - I6 g" f* ^3 q; U5 O7 H- ?, i
- St7565_WriteCmd(0xA3);//Bais set 1/9 bais 5 H$ m( m* X* l- I- Y+ u
- St7565_WriteCmd(0xA0);//ADC select 0xa0 normal 0xA1 reverse
; d& I4 L8 p# }2 k! u" C. F7 V - St7565_WriteCmd(0xc8);//com output scan direction??com??????? 0xc0??????0xC8???¾??? & s2 G/ Y8 F. q3 G3 p, F' L
- /****Select internal resistor ratio****/
1 B+ Y" ?+ a4 F0 R' ~/ k; c. A - St7565_WriteCmd(0x2c);//????????????
C( X! @2 J. w1 |* k- m - St7565_WriteCmd(0x2e);//????????????2um
* w" x! i5 V! [) j: V - St7565_WriteCmd(0x2F);//
3 B* u& K7 m$ Y# c: d( |% t* K - /**************************************/ ' u) J0 z4 t! M! u- I) t& [* Q
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- St7565_WriteCmd(0x81);//???g???? 8 @0 z' \- R0 M" t1 z B
- St7565_WriteCmd(0x19);//????????J?????? ?????0x00-0x3f 4 Q& B: ^. m: s4 p$ m7 _
- St7565_WriteCmd(0x24);//????????J?????? ?????0x21-0x27 ?????????????U??????U?? : r. o6 s- l9 [/ G% {: D5 m- O. T
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- St7565_WriteCmd(0xAF);//display lcd on
* Y7 z; g" A* G9 w% X. X! G+ c - St7565_WriteCmd(0x40);//display start addr# O# c8 ^% M4 E g8 X$ [
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) _9 u: a% y; ~7 U - ClearDisplay();
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- LCD_P8x16Str(0,0,"www.stmcu.org.cn");# ^. d- Z- {) c
- LCD_P8x16Str(0,1,"LCD ID:ST7565");% g8 E( x$ ~8 k9 v
- LCD_P8x16Str(0,2,"MCU:STM32F103RC");# S# \+ T) Y/ P) K
- LCD_P8x16Str(0,3,"STMCU ID:TLLED");: L, L1 v4 z( G3 V" Z% ~- h" G. I+ x
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复制代码 2、软件包:
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ST7565 STM32.rar
(508.24 KB, 下载次数: 690)
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这个屏的手册我没有找到,找到的管脚的定义,和ST7565芯片的资料,通过查阅芯片的资料来控制这个显示屏
SPI驱动方式试过,并口方式还未试过。& K( a& M* {+ K! u* }7 ]! ^: B
ST7565.pdf
2018-10-30 14:15 上传
点击文件名下载附件
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ST7567.pdf
2018-10-30 14:15 上传
点击文件名下载附件
715.09 KB, 下载次数: 26
点评
在网上买到这个模块了吗
买了30块
买的多,可以做个板子,当模块使用