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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 9 }; B% W" @5 b( m
5 ]$ V8 l. K& P, h' v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)
: A4 N$ W, u& m#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) ; J3 E( R) e% W( _( @
#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) 6 w1 m% S$ e- 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)
" J! t1 N3 t+ m( W9 D D#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) 5 e; H. F% |& f+ ^/ v' B
#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) % W# M5 S8 o1 j! |! |- t# c# B% l& @" b
. E0 C: }! @% I$ `OLED屏的初始化函数为: - void Lcd_Init(void)! t- }. B4 j8 \: H$ b
- {
: V/ h, H8 _- J! _ - GPIO_InitTypeDef GPIO_InitStruct;: l% z( \% E; E* d+ x% u L0 w
- . _4 e6 a! L0 N: J. G1 _
- /* GPIO Ports Clock Enable */
0 \4 C! C2 t- O( R - __HAL_RCC_GPIOH_CLK_ENABLE();
( S, }# P; }) ^8 F5 T% c - __HAL_RCC_GPIOA_CLK_ENABLE();6 |5 |) f D/ |0 _1 S, B9 l
- __HAL_RCC_GPIOC_CLK_ENABLE();
% x. O7 \' p- I/ I8 M z- | - __HAL_RCC_GPIOD_CLK_ENABLE();
' j( L4 U9 t% Y# m& k7 j1 F' \3 ` - __HAL_RCC_GPIOB_CLK_ENABLE();
& y0 t, F3 l1 M w - __HAL_RCC_GPIOF_CLK_ENABLE();
7 _% I1 Y! W; | -
! Q9 n2 k& @7 Y4 @& n) G% } - /*Configure GPIO pin Output Level */8 }/ }0 ?# H) A/ F0 K4 g
- HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);; V5 k6 b! n" y7 [! y
- % t4 {" J/ X: f
- /*Configure GPIO pin Output Level */8 H( z; t: d" E0 @( g; h
- HAL_GPIO_WritePin(GPIOF, GPIO_PIN_12, GPIO_PIN_SET);
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, }8 _5 u4 ~# R" m! ]; V - /*Configure GPIO pin Output Level */( d' N7 k* o! i Q+ I
- HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_SET);0 U6 W( z0 ]5 g% X8 |4 M) ~% a0 V8 `
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- GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
$ I( X$ u6 h5 H7 j/ i - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;( g! t1 Z! `. A! h6 U" X
- GPIO_InitStruct.Pull = GPIO_PULLUP; c4 t9 `* e5 Y% X! u6 J6 }
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
( b7 T* Q5 n Y: O& w0 { - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);# P& s' c0 m& }3 z W( g
- ' R8 t. ]5 x8 c
- GPIO_InitStruct.Pin = GPIO_PIN_12;( u% [) s% y/ |) N, m. |1 s% w
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;& l: }1 f" Z$ z$ u+ ^
- GPIO_InitStruct.Pull = GPIO_PULLUP;
4 Q4 p/ }6 S+ L! Y+ [( C! s - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;! G! R3 T. i& C9 ?8 P
- HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
* T. Y& m8 c7 R, ` -
! {& H2 K' w' \; {. S - GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;4 A8 U! @. C/ A: d
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
8 `' K) f$ R2 J - GPIO_InitStruct.Pull = GPIO_PULLUP;! M2 t( r9 j Z
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
& |6 P. q& j' u! m( J - HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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- OLED_RST_Clr();
& i# y6 \% e2 K! m, S - HAL_Delay(200);% x( ]1 s- R! _/ E* O
- OLED_RST_Set();5 ~5 E0 K; o0 C3 z
- HAL_Delay(200);+ H- s1 I0 {2 X! D8 Y6 C8 j
- & ]1 K* c& ^, N, {* u2 j
- LCD_WR_REG(0x11);& e( Z& D) K% b" i4 D+ x) `' k4 W
- HAL_Delay(100);9 b1 }1 y% k$ F( i. b2 v+ [
-
3 f. V! g5 M7 w- E0 @8 y - LCD_WR_REG(0x21);
7 L- D; u# Z# O' U5 d F -
( D% M; H. B$ G - LCD_WR_REG(0xB1);
' k1 A" m3 `6 H" A4 H+ a I- v - LCD_WR_DATA8(0x05);5 F9 o1 I) g9 m& C8 r7 p+ V, o
- LCD_WR_DATA8(0x3A);+ Y' |% h9 d1 i' Z
- LCD_WR_DATA8(0x3A);
+ B( a4 }! K: } -
5 M; k; X2 G2 a0 ~; `% Q0 l2 e - LCD_WR_REG(0xB2);
+ P b* d$ v9 x0 o* Z9 { - LCD_WR_DATA8(0x05);; ?2 y) u7 o {2 W3 ]. K
- LCD_WR_DATA8(0x3A);
7 m3 G# j8 O& X4 K6 n - LCD_WR_DATA8(0x3A);
! B% K# A+ ]1 P: u, M8 l9 m - 9 G( z( @! Z; y. s* Q* `
- LCD_WR_REG(0xB3);
3 ]; _; j3 j. m3 R7 ]7 z( o - LCD_WR_DATA8(0x05); 3 A' N+ K- Z8 e& {4 ^# ^/ N
- LCD_WR_DATA8(0x3A);' p7 C- \8 ]8 m# O& W4 ?8 Y# z
- LCD_WR_DATA8(0x3A);
, Z3 V" U. i& T) |6 b4 G3 R - LCD_WR_DATA8(0x05);& o. d. b& l' Z& J
- LCD_WR_DATA8(0x3A);
}- [5 @8 u2 p$ D - LCD_WR_DATA8(0x3A);; C# A; p8 N+ X, i* `
- ' I, I$ k0 y' e1 t6 z
- LCD_WR_REG(0xB4);
& a. |% c" E8 I6 ?( v - LCD_WR_DATA8(0x03);$ z% r9 O' ?5 F, A1 e: G, R. ?- X
- 3 `* r( e5 ?7 |) B5 g8 D8 D
- LCD_WR_REG(0xC0);
# T# h( ?- Y0 ]- `6 f/ j - LCD_WR_DATA8(0x62);
* O; X; E% s5 {$ T* \ - LCD_WR_DATA8(0x02);
; n$ `8 z( @+ v6 n" I" Q+ P. {+ I - LCD_WR_DATA8(0x04);$ F3 Z6 j+ L5 y; E0 H
- & C, _1 D |# p$ [: O
- LCD_WR_REG(0xC1);- C: I+ ?% c8 d' e' E" z
- LCD_WR_DATA8(0xC0);
$ q& p2 |' a ~* R" ] -
& D) S6 x8 K) ?( S1 ^ - LCD_WR_REG(0xC2);
- u4 l( A0 S) @1 k# T - LCD_WR_DATA8(0x0D);, Z8 U6 w+ ], Q* l
- LCD_WR_DATA8(0x00);
! {: z! r4 k4 |- p, ^4 B -
+ E6 X* p. @# f4 X - LCD_WR_REG(0xC3);
, z# k# ?/ P3 P& E - LCD_WR_DATA8(0x8D);
, ]" e m: q8 N) \( \0 t5 q, S - LCD_WR_DATA8(0x6A);
8 B( M9 d# } [' @1 H -
) @, a* I1 C; Z' W+ n; s% {; b - LCD_WR_REG(0xC4);8 M' k8 y; f( I* i
- LCD_WR_DATA8(0x8D);$ E% n. j; g/ N2 t
- LCD_WR_DATA8(0xEE);. \# P) p& W; I; ^2 n7 w% H
-
0 a( T1 g" ^) Z4 I$ ~9 g6 s - LCD_WR_REG(0xC5); /*VCOM*/
; O5 i6 @/ }' Z5 t T - LCD_WR_DATA8(0x0E);
$ T1 y1 o, V1 A) S+ ~- K' G -
^* g' L, e b/ V1 H, h - LCD_WR_REG(0xE0);
; o; v, ?# [- I ?' o - LCD_WR_DATA8(0x10);
# b7 C# G2 f" f! P- _, K - LCD_WR_DATA8(0x0E);7 p+ {$ h* a f# E& Z
- LCD_WR_DATA8(0x02);
4 U j% J! }/ ]: C - LCD_WR_DATA8(0x03);
c, T1 ~/ r% c - LCD_WR_DATA8(0x0E);$ y; M0 n l- |* A
- LCD_WR_DATA8(0x07);8 c) \8 c9 s& d& j5 k3 g! @" T
- LCD_WR_DATA8(0x02);1 y$ V8 }: T% r" F' @5 A+ k
- LCD_WR_DATA8(0x07);% o: Z# ?+ z" C' S, ` u
- LCD_WR_DATA8(0x0A);+ U$ u3 ?6 a! x
- LCD_WR_DATA8(0x12);$ ?% _& m+ l' X% S' i! x8 h6 g
- LCD_WR_DATA8(0x27);0 k3 f; H J9 X, W
- LCD_WR_DATA8(0x37);: r2 v; I: _& \( A5 ?( A/ X
- LCD_WR_DATA8(0x00);
) L+ S" o$ P! u - LCD_WR_DATA8(0x0D);! Z* p! M* k: H9 n$ h; k1 r! M" i" ~
- LCD_WR_DATA8(0x0E);
2 }$ t+ O. |! F2 }, a7 c" M - LCD_WR_DATA8(0x10); n5 {" w0 d" k; x7 } [
-
3 M. P7 c% }, Y" Q - LCD_WR_REG(0xE1);" v# s, U0 s' D9 D3 h
- LCD_WR_DATA8(0x10);3 g% X7 n; Z& H& L U5 J% L
- LCD_WR_DATA8(0x0E);$ e0 Y, w: H% ?/ f" p& g
- LCD_WR_DATA8(0x03);! _/ {$ Q! }5 e W
- LCD_WR_DATA8(0x03);4 Y B9 ?$ H2 u0 a
- LCD_WR_DATA8(0x0F);8 ^$ P% z2 P$ Z+ ^7 @- o) i
- LCD_WR_DATA8(0x06);
. c+ T5 U3 u0 P+ L: s - LCD_WR_DATA8(0x02);
& w5 J. S, T0 D& C" [ X - LCD_WR_DATA8(0x08);# D# J2 @$ v* d, V4 i4 W: `& s
- LCD_WR_DATA8(0x0A);
1 r% l, k% `' ~- I1 `9 [/ j0 x - LCD_WR_DATA8(0x13);
& `+ X0 l& a s; N9 S( |: z - LCD_WR_DATA8(0x26);
% @; Q/ A, A x0 z. [# l( B* \, A1 @ - LCD_WR_DATA8(0x36);& ^# ^' e& i# _& D7 S$ K; {
- LCD_WR_DATA8(0x00);
$ t" [0 _0 ~1 Y( I5 y - LCD_WR_DATA8(0x0D);
5 ?0 W; W: ?0 S/ d( Y - LCD_WR_DATA8(0x0E);
X! B( i3 d2 v/ _ - LCD_WR_DATA8(0x10);
; x& k) ^/ r6 O. Q# `+ V$ w - LCD_WR_REG(0x3A);; X( @+ r, g, J" K
- LCD_WR_DATA8(0x05);
. ~% _* v7 R, C" X6 c i6 g - LCD_WR_REG(0x36);" Q/ k ]% A p p6 E9 `
- LCD_WR_DATA8(0x78);
; Q5 l1 q/ W" | U, M- P - LCD_WR_REG(0x29);) W3 U# }/ `* f
- }
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# o5 |, W1 ~0 J图片显示函数为: - void LCD_ShowPicture1(u16 x1,u16 y1,u16 x2,u16 y2)
& g/ U9 O0 G9 }3 E1 ^ - {
& x% s: V5 n6 ?7 } - int i; p% [2 Z9 H$ g% v X1 C
- LCD_Address_Set(x1,y1,x2,y2);
$ a' J+ w( X, B V, q - for(i=0;i<3808;i++)
* o+ I7 R6 c3 {" D! Q" r - {) Z! C+ K! j) h9 T* k
- LCD_WR_DATA8(gImage_jsj[i*2]);, z. P8 H( o" O& r2 |5 D! p
- LCD_WR_DATA8(gImage_jsj[i*2+1]);
9 z$ ]/ g9 L: b% r6 ^: v! {/ i - } / ` S, j5 b; l; t0 d+ C! D
- }0 ^3 C! @$ v* _5 X
- * E/ L e' w: C8 j
- void LCD_ShowPicture2(u16 x1,u16 y1,u16 x2,u16 y2)
6 a# H4 u, q2 b0 F- }# b - {( i7 W# c: F. G4 r0 \$ O
- int i;$ |; ]9 }+ {7 ^3 L1 f& H9 e
- LCD_Address_Set(x1,y1,x2,y2);
' u3 S3 i5 l0 W, R/ i+ M* G - for(i=0;i< 12800;i++)
N0 k, O" z3 [' W# Z0 l7 Z; n - {+ t3 [+ x; W8 i* @0 P
- LCD_WR_DATA8(gImage_moled[i*2]);4 r! D2 {. @1 A& t- P
- LCD_WR_DATA8(gImage_moled[i*2+1]);* M+ w X6 ]7 a5 I q
- }. H8 T/ L+ \3 R' B# y7 s7 X
- }
复制代码 # f# ?4 O0 \8 a
实现显示测试的主程序为: - int main()
+ S) x( x8 v U+ g4 P; |$ V6 q - {
; h: J- f- b9 Q* ~/ Q8 R) E - float t=0;
$ l) ?4 ?7 N) c7 h3 [# N! W - u8 i;
% V( _8 H4 o- G$ I - HAL_Init();
) x% b8 K9 g' Q4 R M; `, m - SystemClock_Config();
7 B& W" V* q, | P/ }/ o - Lcd_Init();
6 L, Z2 @0 t& Z# R8 X - LCD_Clear(0x043C);
% o' |, R" ]5 a6 @; L - LCD_ShowPicture1(0,0,55,67);
' L& r( x$ p# h* X1 d - HAL_Delay(1000);
- a5 n( c' K7 ^+ }+ Z - LCD_ShowPicture2(0,0,159,79);
/ n5 `$ K& x* ]! ]2 m - while(1);8 _! q Y7 t. _
- }
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3 [/ R7 p7 X& s z) n+ W9 ~" h' m显示计算机图标 - L9 O/ v5 E, i x5 ^
显示彩色图片
: k3 v4 j/ n# a5 G3 K2 Z) |, C6 K" k, s
工程代码:
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