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OLED 屏有多种形式，既有单色、双色屏，也有彩色屏；既有I2C接口的，也有SPI接口的。 本次使用的是SPI接口的彩色屏，其分辨率是160*80点像素，16位色彩。 OLED 屏与AC7811的连接关系如下： SCL ---PA5 SDA ---PA6 RES ---PA7 DC ---PD14 CS ---PD15 BLK ---F12
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定义相关引脚输出高低电平的语句为： #define OLED_SCLK_Clr()HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5, GPIO_PIN_RESET) //CLK #define OLED_SCLK_Set()HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5, GPIO_PIN_SET) . j9 g* R; U n" ?: y/ B8 S$ ~( G
#define OLED_SDIN_Clr()HAL_GPIO_WritePin(GPIOA,GPIO_PIN_6, GPIO_PIN_RESET) //DIN #define OLED_SDIN_Set()HAL_GPIO_WritePin(GPIOA,GPIO_PIN_6, GPIO_PIN_SET) # o7 o! Y j) b5 T- w* k
#define OLED_RST_Clr()HAL_GPIO_WritePin(GPIOA,GPIO_PIN_7, GPIO_PIN_RESET) //RES #define OLED_RST_Set()HAL_GPIO_WritePin(GPIOA,GPIO_PIN_7, GPIO_PIN_SET)
! \( [: [8 q, |3 L/ I6 q#define OLED_DC_Clr()HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14, GPIO_PIN_RESET) //DC #define OLED_DC_Set()HAL_GPIO_WritePin(GPIOD,GPIO_PIN_14, GPIO_PIN_SET) 1 M& t4 J8 l; N' W9 ?
#define OLED_CS_Clr() HAL_GPIO_WritePin(GPIOD,GPIO_PIN_15, GPIO_PIN_RESET) //CS #define OLED_CS_Set() HAL_GPIO_WritePin(GPIOD,GPIO_PIN_15, GPIO_PIN_SET)
. s9 o( N7 _1 F2 x#define OLED_BLK_Clr() HAL_GPIO_WritePin(GPIOF,GPIO_PIN_12, GPIO_PIN_RESET) //BLK #define OLED_BLK_Set() HAL_GPIO_WritePin(GPIOF,GPIO_PIN_12, GPIO_PIN_SET)
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6 b. s, z! `$ P8 g5 c4 [3 c& x7 ]: B( XOLED屏的初始化函数为： - void Lcd_Init(void)
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2 M8 z- _( ?3 X& D - GPIO_InitTypeDef GPIO_InitStruct;! n; X- a+ R, q! d+ [, y8 w" v
-
+ o* ^' H$ D" U l( W4 x+ P/ K0 v - /* GPIO Ports Clock Enable */ ^8 \7 i0 b! N
- __HAL_RCC_GPIOH_CLK_ENABLE();& W3 R. V% j" g9 \
- __HAL_RCC_GPIOA_CLK_ENABLE();% Y* u, b5 U, [9 S& ^! e* x
- __HAL_RCC_GPIOC_CLK_ENABLE();3 W4 F! c4 ~* V6 j9 F$ X
- __HAL_RCC_GPIOD_CLK_ENABLE(); y1 G. W; p; _4 i
- __HAL_RCC_GPIOB_CLK_ENABLE();3 F+ c) T" B# C4 a
- __HAL_RCC_GPIOF_CLK_ENABLE();+ r+ X* C7 K8 n3 s7 u% ?
-
! T# p# {9 M, E - /*Configure GPIO pin Output Level */
& V0 N" T( w" o3 T4 z& H+ P( k( } - HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);
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- /*Configure GPIO pin Output Level */2 x- s1 _8 z) e7 |# f- m
- HAL_GPIO_WritePin(GPIOF, GPIO_PIN_12, GPIO_PIN_SET);. {8 y1 ^; l. X/ @3 G
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- /*Configure GPIO pin Output Level */+ l+ w8 u G k* q0 |5 m/ ^
- HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_SET);
3 s. P0 k# K/ n - I1 P) P4 U+ Y6 ]
- GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
2 C3 s, _! A6 T. p$ Z* E - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
2 n3 R9 t" c1 v) S9 ] - GPIO_InitStruct.Pull = GPIO_PULLUP;
$ U( l1 u' i+ Z3 P9 O9 _5 [4 _/ y) N - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
: e$ O2 m- h* ~ - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
( Q- q x" g2 D8 z- H' u -
9 y* o$ d% e3 M - GPIO_InitStruct.Pin = GPIO_PIN_12;
. m; _ @8 A+ z' J0 g - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
; D- H' O& Q B' \& }0 g - GPIO_InitStruct.Pull = GPIO_PULLUP;
2 Q" V* P: S' w - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
% C* l0 Y4 h! ?, V - HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
5 z/ w7 Q, I$ S6 k) t, L! Q - 0 ^5 F: l* y0 e( m5 J1 W1 D
- GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;
! X* D6 }) ^, ?4 i$ ~ - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
. y6 j9 ^& d6 o N& X - GPIO_InitStruct.Pull = GPIO_PULLUP;
& A2 Z" V6 \0 T; M9 K5 y - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;6 I4 d( ^2 Q5 k0 Y, w! e: V
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);' W9 S$ r' ^' t2 m1 m: Y
-
; N) U; ~2 V2 l; ~# n - OLED_RST_Clr();3 n/ T' O3 p' e% K9 k
- HAL_Delay(200);0 F3 h8 C- Z2 u; P0 A; b
- OLED_RST_Set();' A: x7 S7 j- O) e
- HAL_Delay(200);) B/ C9 F! d9 W( z
-
" R3 Y8 ]- X! ] - LCD_WR_REG(0x11);# o% M, @( P4 y o% b9 f- r# ~; y; o, y
- HAL_Delay(100);) X. [4 Z" b# E) T; @$ m
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- LCD_WR_REG(0x21);2 ^6 d e$ X9 p1 G) h- D2 F
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- LCD_WR_REG(0xB1);
# [% y/ P! s" V6 R5 q6 w& v - LCD_WR_DATA8(0x05);1 a2 U$ _( E8 o' f) `! n
- LCD_WR_DATA8(0x3A);
' _4 j, d, L, p4 A/ ~, Y - LCD_WR_DATA8(0x3A);
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- LCD_WR_REG(0xB2);
9 |4 [6 h: |' ~0 ]/ z6 F6 d- p3 U: [! o - LCD_WR_DATA8(0x05);
3 \1 Q; E9 d+ v6 T) b+ d3 D - LCD_WR_DATA8(0x3A);! A7 W8 z! Z6 {2 A9 ^- V' J. m( G
- LCD_WR_DATA8(0x3A);" S& f. V' j8 H m4 k
- 1 X8 O* \" r! c7 }% j p7 }: k U
- LCD_WR_REG(0xB3);( X. o8 j& ], a
- LCD_WR_DATA8(0x05); + e. k+ ^# E3 X* b
- LCD_WR_DATA8(0x3A);* d' u' G+ y A! a2 V# ?- \
- LCD_WR_DATA8(0x3A);1 k1 ~: c' ^0 j D
- LCD_WR_DATA8(0x05);
0 p; C- {! |- G6 c5 z - LCD_WR_DATA8(0x3A);6 N% y: g# R& l# K9 Q8 k( g
- LCD_WR_DATA8(0x3A);; c3 e0 y$ ~! {' {3 P
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- LCD_WR_REG(0xB4);* T' K( x- L/ c! }3 N' v
- LCD_WR_DATA8(0x03);
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- LCD_WR_REG(0xC0);
T/ y& t1 y! `6 N' h5 L! { - LCD_WR_DATA8(0x62);
, M' p. I* K8 i3 Z2 M - LCD_WR_DATA8(0x02);; U% w' B1 U) O$ f k
- LCD_WR_DATA8(0x04);* c' l& L) j* l
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- LCD_WR_REG(0xC1);' h3 G. C- p9 f) u: I
- LCD_WR_DATA8(0xC0);$ J2 J: P4 q/ `% E1 d3 ~3 c, w
-
( b B7 l3 C" E. D5 @# E - LCD_WR_REG(0xC2);* e+ L" S1 F% t" G; b9 G; N8 X- ^
- LCD_WR_DATA8(0x0D);4 i, g# P7 y, q
- LCD_WR_DATA8(0x00);- ^7 p8 c) M: z0 [2 d2 r' r
-
- ?: [/ B6 l% ?5 ^- S0 C M3 [ - LCD_WR_REG(0xC3); q5 F7 ~* T G" b
- LCD_WR_DATA8(0x8D);; F. `' E! b2 S4 S+ {
- LCD_WR_DATA8(0x6A);
$ j' {* ~$ c2 P3 @8 ` -
: W7 P% p/ ]" [! D5 w - LCD_WR_REG(0xC4);
; g( `3 X+ g7 N0 Y - LCD_WR_DATA8(0x8D);
8 U/ F, a5 P/ [0 ?8 V7 X+ L - LCD_WR_DATA8(0xEE); c& M2 B0 q4 I/ N: y5 Q9 n
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- LCD_WR_REG(0xC5); /*VCOM*/
# v. Z( `, Z0 t* B; @, C3 S! I* l - LCD_WR_DATA8(0x0E); 4 N2 J; B7 J4 x S
- - M: `0 A# d' W5 ^- |* m* j
- LCD_WR_REG(0xE0);
- x" ] `! y7 C" {7 x3 _9 z - LCD_WR_DATA8(0x10);5 ~ R: i- F+ b. k6 A: q9 r# |* ^, [
- LCD_WR_DATA8(0x0E);
3 K8 I, a% m% K' m - LCD_WR_DATA8(0x02);: [- T3 B, v# O6 M' l7 N9 i; H* v# G
- LCD_WR_DATA8(0x03);
- y# b ^- T5 D( [+ a - LCD_WR_DATA8(0x0E);' g3 F) s1 f0 L# {! H7 F5 u
- LCD_WR_DATA8(0x07);* q2 p: m2 p" _% a
- LCD_WR_DATA8(0x02);: ]$ \3 }( J8 B- T3 W' c+ B
- LCD_WR_DATA8(0x07);5 f, x% S4 ^$ i6 o/ c) y6 l
- LCD_WR_DATA8(0x0A);
1 Y& v' t+ n; m e4 B - LCD_WR_DATA8(0x12);
0 ~1 w' I& c& f/ H" E* i! q) f - LCD_WR_DATA8(0x27);% ?$ G( |, K3 `& f$ G9 j+ ^
- LCD_WR_DATA8(0x37);! j6 w- W v! X0 J
- LCD_WR_DATA8(0x00);
8 A) {3 }- X' O+ w - LCD_WR_DATA8(0x0D);
: B q" t( s& |% a1 R - LCD_WR_DATA8(0x0E);' M# `+ D' S' x! r. i
- LCD_WR_DATA8(0x10);
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7 @$ Y0 `$ a1 K# E' h - LCD_WR_REG(0xE1);
& q( e4 U; y! m6 R1 R: B5 j7 `9 Z - LCD_WR_DATA8(0x10);
: j0 d% O- d1 [# ~ - LCD_WR_DATA8(0x0E);) M- F0 P8 J' [7 [# F2 P
- LCD_WR_DATA8(0x03);2 |9 j4 F8 q; ^6 ? }# _1 k
- LCD_WR_DATA8(0x03);' g! B( P7 R4 B8 h) n% ?, C
- LCD_WR_DATA8(0x0F);
) u! ]' Y L; X - LCD_WR_DATA8(0x06);" {# M- b' V( p% [ h- e
- LCD_WR_DATA8(0x02);
8 W; P( V$ A% Q% I+ `4 X - LCD_WR_DATA8(0x08);2 u! p$ n6 }3 v5 h! `7 J$ O
- LCD_WR_DATA8(0x0A);% p% g5 ^! m: m/ T# l
- LCD_WR_DATA8(0x13);
$ Y( y" P/ m, i; T4 V$ ? - LCD_WR_DATA8(0x26);, J4 t. R) O" G: _' r& g2 f
- LCD_WR_DATA8(0x36);
+ q! P2 m; O7 `6 S$ F6 p1 d - LCD_WR_DATA8(0x00);: t0 v" O$ r" |
- LCD_WR_DATA8(0x0D);! J! H y8 {9 [% n
- LCD_WR_DATA8(0x0E);
6 V u0 \3 o9 Q; g$ M" R5 `( V - LCD_WR_DATA8(0x10);
' }$ |2 D/ R6 e1 @; P1 L8 z - LCD_WR_REG(0x3A);
; u* M' C$ Y. N v+ z- B - LCD_WR_DATA8(0x05);9 b) Q- w+ A) g# ], R4 M
- LCD_WR_REG(0x36);( V; L$ j& O8 F" I: U
- LCD_WR_DATA8(0x78);
, D& K" t) x+ x6 b; t/ T! x - LCD_WR_REG(0x29);: R e5 K2 [: X, B: i' G
- }
图片显示函数为： - void LCD_ShowPicture1(u16 x1,u16 y1,u16 x2,u16 y2) p3 L! Y- P" E |2 x) L2 l
- {
2 H8 r+ N4 R$ V* G; w) ^ - int i;
4 ]5 z# \7 Z/ u! H! N - LCD_Address_Set(x1,y1,x2,y2);
; b$ }- m/ p* Z& l# P& x7 v - for(i=0;i<3808;i++)- L0 e. r- D0 U& q# d- _: h
- {- E% J6 B: M6 s: }& t8 O
- LCD_WR_DATA8(gImage_jsj[i*2]);
; [2 O2 S% Q) c: A4 r1 z8 c - LCD_WR_DATA8(gImage_jsj[i*2+1]);2 z0 e% D7 g1 O0 X) }! K1 E: E
- } 4 ]7 m% V$ c' B* v. P& X
- }
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% ^( q. ~" n7 y5 D% K% j! v9 ^ - void LCD_ShowPicture2(u16 x1,u16 y1,u16 x2,u16 y2)
K& L( ^( _# S3 x4 b5 Z+ d+ B - {
9 p# M! y" g$ m! x9 i4 m9 Q$ ~# y - int i;: F; K8 ^: c0 A, F7 P, F; l
- LCD_Address_Set(x1,y1,x2,y2);0 K: |+ k, k# _+ u( K" z/ [* n) F& J
- for(i=0;i< 12800;i++)) x1 Z+ k+ g8 H( U1 z
- {) H5 k, ]1 _% g& M7 C
- LCD_WR_DATA8(gImage_moled[i*2]);2 f* d4 a; }9 G6 O" i
- LCD_WR_DATA8(gImage_moled[i*2+1]);
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- }
$ a2 y O: Y [9 L# S0 \* }实现显示测试的主程序为： - int main()
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- float t=0;+ P, ^( y4 l+ ~: b- A. i
- u8 i;9 Q0 N& P9 s- y O2 r+ P
- HAL_Init();
8 q) m* F0 K) R2 Z- v - SystemClock_Config(); u! U5 u. }' ~& g" \
- Lcd_Init();
! i x4 s& E; D8 n+ l. Q - LCD_Clear(0x043C);
3 a- _2 A2 d/ j# `9 g/ z - LCD_ShowPicture1(0,0,55,67);* O# x7 l1 K3 }* e9 x$ Y; A
- HAL_Delay(1000);& R1 _& Q+ e. c( s0 {; e) b- b
- LCD_ShowPicture2(0,0,159,79);
! E/ t3 x4 q# r" ~* b: G& v% T( f9 J- [ - while(1);& s8 H5 u5 n4 p9 ?. x1 x
- }
显示计算机图标 . w# ?2 D2 m v5 T2 [7 }2 z! O
显示彩色图片4 M6 c* d; }/ n% v9 u7 z
+ n4 _. b. j. A/ V工程代码：5 B, ?3 Z+ W- V; R
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