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 $ j3 d0 A1 ~- ~
4 V/ D7 z6 [& d5 u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)
) ?! n+ ]5 P- z+ ]0 v7 i$ B( S#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)
$ k$ c3 F$ Q8 O0 I5 N#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) ) |5 u# A' o% ` ]
#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" G) i% S; B 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)
6 T1 T4 A/ Q9 P: a#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) 2 Q( {% {; z$ a0 k
/ o4 Z7 N; G* j$ i) {OLED屏的初始化函数为: - void Lcd_Init(void)
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- GPIO_InitTypeDef GPIO_InitStruct;
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- /* GPIO Ports Clock Enable */3 k. x' L/ z$ y2 L. s
- __HAL_RCC_GPIOH_CLK_ENABLE();6 U7 f+ \0 G8 y5 o9 Q' X# f
- __HAL_RCC_GPIOA_CLK_ENABLE();
o7 C! i6 x7 e' N. ?& { - __HAL_RCC_GPIOC_CLK_ENABLE();9 y4 G! i" p9 x& X b
- __HAL_RCC_GPIOD_CLK_ENABLE();
- n% V) b& x1 w4 f/ W* o" ]9 D - __HAL_RCC_GPIOB_CLK_ENABLE();
- }/ ?4 z! @0 o0 M/ j, K - __HAL_RCC_GPIOF_CLK_ENABLE();8 R1 ]3 u4 k. P2 ]0 k9 F
-
9 g5 r' c- t! i - /*Configure GPIO pin Output Level */
9 z3 q1 ^1 k Y) l4 a7 C - HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);
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& i) B' h5 Y8 A# G2 | - /*Configure GPIO pin Output Level */
( Y9 J- m4 j y) B+ o C - HAL_GPIO_WritePin(GPIOF, GPIO_PIN_12, GPIO_PIN_SET);
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- /*Configure GPIO pin Output Level */
/ x9 g6 `4 l7 s& i8 v - HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_SET);% Y" U+ H6 j6 s F1 u
- # D7 O) M6 o7 O ] S }* f
- GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;% t. t6 X% ~( f
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
* l3 g, j5 V. B6 k% n1 C( k - GPIO_InitStruct.Pull = GPIO_PULLUP;% D% {: k0 s* V g' P# j. }; s3 Q
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; O2 Z9 u# R! _2 Z5 ]. ]
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
2 ^5 e/ P/ T; J3 \* m- O* j6 f -
! g8 V- p/ H" n- u - GPIO_InitStruct.Pin = GPIO_PIN_12;) t% m! W7 x [" f
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;" H% I: d4 g0 v: w
- GPIO_InitStruct.Pull = GPIO_PULLUP;' F+ l W7 x" W' O: ~
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;% i' E8 z3 x" y7 _
- HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
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- GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;
8 @0 ]$ f% O4 y8 N" R; R% H9 Q - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
5 q. q& a2 [1 [4 j- k - GPIO_InitStruct.Pull = GPIO_PULLUP;
3 m* k& N5 d- g - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;3 `% V" Y: C& P3 P' A b
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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5 F8 o) L0 ]/ \8 h. X - OLED_RST_Clr();8 T2 G6 t; a6 B$ |) H
- HAL_Delay(200);# l1 y0 W/ M! W: k
- OLED_RST_Set();
( p, M" u9 a8 Y& I( D! V: ?2 E) ^ - HAL_Delay(200); L8 O( `, g6 ?* h9 p6 p, T* T$ N
-
" n# B+ ?+ A, i" Z) E/ b# F" K% `7 l - LCD_WR_REG(0x11);
) Y9 I) Y) {. l1 C6 w, \ - HAL_Delay(100);
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- LCD_WR_REG(0x21);" V! n8 ]) J4 h4 i# y" r
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- LCD_WR_REG(0xB1);8 U1 k/ w" Y# K. l: g% A" F
- LCD_WR_DATA8(0x05);' L$ {. s; x2 `- |. H1 I" h
- LCD_WR_DATA8(0x3A);2 g1 F0 f. E1 }/ X$ Q# D1 {- U( [- X8 b; K
- LCD_WR_DATA8(0x3A);
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. M1 n" A% G. o( b - LCD_WR_REG(0xB2);
, h- i; F f( C2 P! _ - LCD_WR_DATA8(0x05);
7 F0 T3 B( \: `% b - LCD_WR_DATA8(0x3A);
8 `' X4 z) Q/ E/ K - LCD_WR_DATA8(0x3A);( h3 N' v* |5 S$ r j2 c
-
: {& l$ n3 e: m- ?1 ]8 c - LCD_WR_REG(0xB3);; b+ F% _7 t* W0 v I# W, @' u
- LCD_WR_DATA8(0x05); 3 O* C0 K9 y# A2 `: R/ B
- LCD_WR_DATA8(0x3A);
7 \6 c* f. w7 Z' K$ |9 a h - LCD_WR_DATA8(0x3A);
: E" J/ c& y0 K9 H( Y2 J0 D - LCD_WR_DATA8(0x05);
- ~+ H, G8 M3 o - LCD_WR_DATA8(0x3A);- w1 q4 e; |3 l4 h4 s
- LCD_WR_DATA8(0x3A);* r- ?$ g3 {# u1 _
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- LCD_WR_REG(0xB4);& A$ G4 l8 s6 [8 }
- LCD_WR_DATA8(0x03);
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0 X# H9 q* J% l. f0 W - LCD_WR_REG(0xC0);8 ~* [; C- |& r' F# `3 U
- LCD_WR_DATA8(0x62);4 F) _* D0 y3 k/ }9 U
- LCD_WR_DATA8(0x02);
/ H# s$ V8 R4 O Z6 e - LCD_WR_DATA8(0x04);' J3 b' W- q/ W* v3 ^
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- LCD_WR_REG(0xC1);( q# J0 H. v) c6 K
- LCD_WR_DATA8(0xC0);: G+ s* ~9 F( i3 Q3 D/ S* E( q
-
5 g% f, O% g& r1 ~* t% V* E - LCD_WR_REG(0xC2);
3 b/ d2 u$ T) Z2 s - LCD_WR_DATA8(0x0D);% P; Y; t0 Y5 o' B7 C( t5 V; [
- LCD_WR_DATA8(0x00);3 t/ t$ K {; q; _
-
4 Q- O8 p [' ~3 H( @ - LCD_WR_REG(0xC3);
( \4 j, {( x9 W$ m& G - LCD_WR_DATA8(0x8D);% `" j4 n: w, y7 A9 e
- LCD_WR_DATA8(0x6A);
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- LCD_WR_REG(0xC4);3 L. S' w1 n0 \* m$ N0 ~% y5 v! Z
- LCD_WR_DATA8(0x8D);( X+ [$ K+ M$ ?( F' f
- LCD_WR_DATA8(0xEE);. z0 a; |- ~1 d1 f: A
-
( Z1 j0 c! Q, q2 _ - LCD_WR_REG(0xC5); /*VCOM*/
' J) Q- L8 `# N$ u - LCD_WR_DATA8(0x0E); 9 @( h. t9 K$ f, r, q2 x
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- LCD_WR_REG(0xE0);
) u% b9 M1 L2 D- p - LCD_WR_DATA8(0x10);' }: B7 } b9 |1 G* @
- LCD_WR_DATA8(0x0E);7 q# M; D7 t( K ~7 F
- LCD_WR_DATA8(0x02);% `$ y1 y0 v( N1 C$ t" k3 n/ ^+ o
- LCD_WR_DATA8(0x03);, S/ w; E: `5 [* i( K
- LCD_WR_DATA8(0x0E);
& ~$ Z7 ?+ G; `9 A( v - LCD_WR_DATA8(0x07);! O0 e/ b& ^1 u
- LCD_WR_DATA8(0x02);; G" q4 k0 v! E* `
- LCD_WR_DATA8(0x07);7 Q: J8 g0 j0 M( t5 `, Y$ Z
- LCD_WR_DATA8(0x0A);
) N1 M7 \! R: ]+ X - LCD_WR_DATA8(0x12);4 L' A8 q* V. I+ n
- LCD_WR_DATA8(0x27);: D/ X0 ?, U2 q" a: ^
- LCD_WR_DATA8(0x37);
& T& X5 K- M B" d! H1 s( S. j# G - LCD_WR_DATA8(0x00);
. b3 h1 F8 Z. }5 V - LCD_WR_DATA8(0x0D);/ N% H) ] z- P8 W% ~: a) b4 U
- LCD_WR_DATA8(0x0E);0 ~2 K# V2 K1 w. q+ k3 E$ s
- LCD_WR_DATA8(0x10);
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- LCD_WR_REG(0xE1);$ Y3 R+ E' y' Y; \9 Y; l
- LCD_WR_DATA8(0x10);
; g/ j5 P% }6 ?8 X - LCD_WR_DATA8(0x0E);
8 Q, K3 n; d- j9 D8 R+ r; j - LCD_WR_DATA8(0x03);8 U$ w. U4 `" ^% X$ Q
- LCD_WR_DATA8(0x03);
) `6 r# C5 X. V: } - LCD_WR_DATA8(0x0F);# h4 C7 T9 s& P" g M; f5 h
- LCD_WR_DATA8(0x06);
1 z& D, W U+ G9 Z& y - LCD_WR_DATA8(0x02);9 y" ^* H. M, X5 h2 I0 I
- LCD_WR_DATA8(0x08);* D& l! S [- W. v/ l
- LCD_WR_DATA8(0x0A);
@& `8 t5 j; U! E9 L - LCD_WR_DATA8(0x13);
1 Y- v' x1 O7 v& j. ] - LCD_WR_DATA8(0x26);
2 Y/ j& S* A, `% |& X. [ - LCD_WR_DATA8(0x36);
! N; a- m# ^$ T5 a7 E5 v1 V - LCD_WR_DATA8(0x00);; P3 ^ X: R* f7 L: c" f# V! n
- LCD_WR_DATA8(0x0D);
2 r" p" M% C2 W& K2 |7 g# i - LCD_WR_DATA8(0x0E);
2 x& z7 s6 V/ `. @ - LCD_WR_DATA8(0x10);
# T5 i2 \$ T3 C. W) D ?# _0 v - LCD_WR_REG(0x3A);
' Q3 {8 W8 M: F1 _" B - LCD_WR_DATA8(0x05);
: C9 @* G7 G8 L) I# m( \( ?4 c - LCD_WR_REG(0x36);7 D0 c, d! G! T" I t
- LCD_WR_DATA8(0x78);7 m* F, [3 B8 ?3 E8 T' z
- LCD_WR_REG(0x29);! q) a0 c4 a" P1 y
- }
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图片显示函数为: - void LCD_ShowPicture1(u16 x1,u16 y1,u16 x2,u16 y2), w+ M9 t0 n6 R1 e4 i1 @% N6 K) ]
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- int i;
) [1 o# P0 Q( w7 G5 i+ X - LCD_Address_Set(x1,y1,x2,y2);
$ I' j0 E% B. @. _7 `7 h: u - for(i=0;i<3808;i++)5 ]2 e# f, I9 g+ K
- {
( s7 O1 ?& Q* D - LCD_WR_DATA8(gImage_jsj[i*2]);
8 u4 Z9 M/ A8 _ - LCD_WR_DATA8(gImage_jsj[i*2+1]);
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- void LCD_ShowPicture2(u16 x1,u16 y1,u16 x2,u16 y2)
. s) M3 G8 ^% x3 C j# v - {
- m o+ @6 V/ Z - int i;3 Q! V# K# t- U/ r3 l
- LCD_Address_Set(x1,y1,x2,y2);
- P! }+ M. |. B$ f9 J. ~0 b - for(i=0;i< 12800;i++)
0 _. ^$ T9 N) T6 F& b [ - {
v( Q# Q8 G% u% x* ?# N9 [; Y5 T - LCD_WR_DATA8(gImage_moled[i*2]);) P$ D$ _6 k m6 S( f! L
- LCD_WR_DATA8(gImage_moled[i*2+1]);
9 j; q+ e- i( [" t+ w3 O z - }
& P4 S* n9 K8 j" } - }
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实现显示测试的主程序为: - int main()
! m# w; b: e$ \3 @2 }" l ? - {
/ i) V) ^) Q7 t - float t=0;7 J9 {: t) G4 v% _0 M
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- HAL_Init();6 |' j- B# @& F8 K+ V; y# a
- SystemClock_Config();; N7 y# j* C* ~# d6 G5 g
- Lcd_Init();
% k3 W5 Z: U: Q* D+ S) n% S+ h - LCD_Clear(0x043C);: d; X( `" q1 }
- LCD_ShowPicture1(0,0,55,67);' H5 q2 {3 C/ L8 F* ?) t
- HAL_Delay(1000);
. n/ z; j- Z2 c2 j. c - LCD_ShowPicture2(0,0,159,79);1 C* U7 w1 z! ^# \5 Q# K
- while(1);( ^4 G7 {1 t. h$ h
- }
复制代码 % E W5 m# e% Y$ q
显示计算机图标
6 a) ~: |/ M% ?4 t 显示彩色图片5 Q& n' |. Z2 z+ \0 P
# [: c2 G; I1 `工程代码:9 P/ j1 `. d. B# F# c! c
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