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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 5 Q/ Y! ?- f# G3 V) A& [, K
6 V( \7 A% ?+ _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) , M# n# ]: M. ^ Q
#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) ( X$ K+ \! Q Y: k8 `5 m+ ]
#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) . g2 B3 |5 S, T" }
#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)
8 d2 G% }, y' N4 n#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) % f9 D5 z* O$ P& E
#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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OLED屏的初始化函数为: - void Lcd_Init(void)
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& Z/ a. c: B- H& F: t: m - GPIO_InitTypeDef GPIO_InitStruct;* D# Y/ d& N" @" S2 v# `5 l+ [
-
- s! s- D0 \9 T1 O8 K - /* GPIO Ports Clock Enable */
4 B& z' ?6 t/ T) | - __HAL_RCC_GPIOH_CLK_ENABLE();
2 s! g1 N% u! `3 @3 D - __HAL_RCC_GPIOA_CLK_ENABLE();
- `( X2 c7 c7 i. Z - __HAL_RCC_GPIOC_CLK_ENABLE();
4 @: k+ Z& F9 q7 Q3 K. Q - __HAL_RCC_GPIOD_CLK_ENABLE();
: V" {6 H% A# n! m - __HAL_RCC_GPIOB_CLK_ENABLE();
) G ]% n' i9 c2 @# t) u! | - __HAL_RCC_GPIOF_CLK_ENABLE();( y) j, x/ D2 n' C; v
- ( X9 h( ]" ~2 \
- /*Configure GPIO pin Output Level */- s0 ~7 Z4 U) K# f& F2 i
- HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);" u% S! S+ Q& ~' ], m( H2 V- e _" C
-
7 \, T6 r& u& A9 C* A - /*Configure GPIO pin Output Level */. @2 r+ O3 p+ f6 { E9 v, t! Q* G
- HAL_GPIO_WritePin(GPIOF, GPIO_PIN_12, GPIO_PIN_SET);7 Z# a* x% {; |3 u) N: f+ q* I6 Y' t
-
6 B( d [8 k* x1 Y1 y - /*Configure GPIO pin Output Level */
% v& G" ~; H8 ]% X( Z1 Y7 j! v5 S; N - HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_SET); N8 X% h8 {3 t& o/ S
-
9 R$ _/ q+ T* s6 k - GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;. `5 _, T' k% \0 s5 {
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;1 x& W9 ?* Z& Y% R2 P: b8 y
- GPIO_InitStruct.Pull = GPIO_PULLUP;1 L2 e# i5 Y8 B, W
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;* q B1 S9 ^! y s5 C3 I
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);8 j: K( h8 d% s2 q* X& b \# k
-
Q; h, O4 R! b4 q4 r' g2 w: ~ - GPIO_InitStruct.Pin = GPIO_PIN_12;$ l4 j: L+ W2 Q+ U% ~9 o0 C
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;, O: U: X7 W. J+ E& X3 w' h
- GPIO_InitStruct.Pull = GPIO_PULLUP;* M! B! v/ U o9 Z8 o
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
7 }4 }% k; s4 a# y) Z - HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
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9 L$ X$ F" x! s - GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;
! X* K; O1 k8 F: p3 q( B - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;# _! z9 m/ q# R. h
- GPIO_InitStruct.Pull = GPIO_PULLUP;
" _8 D8 u& E3 Y9 n - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;1 L$ O; w2 L3 h% N
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
6 b! D# Y$ O2 Q% M& v! I -
0 f& ?4 M5 j( X, ~! t5 w - OLED_RST_Clr();
$ |; A7 F! g" Z6 I' C x I - HAL_Delay(200);
* J" z( \: {5 l, g7 @ - OLED_RST_Set();/ Y' K/ ~* E% j- v+ l; A$ b
- HAL_Delay(200);( l" |3 m+ @/ }- O e( u- q0 }
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- LCD_WR_REG(0x11);" |7 |+ S y Y# P+ W1 G" s
- HAL_Delay(100);
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r1 c. f7 n% W5 ~ - LCD_WR_REG(0x21);9 X0 R7 l# N5 W( }8 v
-
- v6 N N8 l1 H' N - LCD_WR_REG(0xB1);5 ^' |3 k! t# H0 K9 c0 k9 K, \, \
- LCD_WR_DATA8(0x05);
/ u/ ]5 E) [/ F# g( f9 T - LCD_WR_DATA8(0x3A);4 }* {9 g! K/ Y. B# `2 B+ |
- LCD_WR_DATA8(0x3A);
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- LCD_WR_REG(0xB2);+ |6 D: B% F$ R- c$ b! L
- LCD_WR_DATA8(0x05);
7 i4 c" ?6 n' \* N% O - LCD_WR_DATA8(0x3A);4 F0 A8 c4 Z+ c& U$ T2 u. _
- LCD_WR_DATA8(0x3A);6 S5 W! b! G" F/ d. I7 ]; C
-
1 s5 Y7 R4 ]$ t! N4 @) L1 W; F0 ~% L - LCD_WR_REG(0xB3);: p9 a& K; ]) O3 n* |& g4 ~
- LCD_WR_DATA8(0x05);
) o& P; y3 E% U% a$ i# @+ g7 X - LCD_WR_DATA8(0x3A);4 _" @5 ^1 a) Q* h( p
- LCD_WR_DATA8(0x3A);
$ c+ F V r; ~% h' J3 _/ f& T8 l - LCD_WR_DATA8(0x05);9 u' p K. F* ~* S: d1 U, ]
- LCD_WR_DATA8(0x3A);. \5 n0 B2 B" J# M5 v
- LCD_WR_DATA8(0x3A);. ?5 j5 U a3 ~ C
-
) }6 v4 |; t; ] - LCD_WR_REG(0xB4);* U6 l) u! o9 r9 q$ T1 v% q1 m
- LCD_WR_DATA8(0x03);
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- LCD_WR_REG(0xC0);
6 x a9 p/ h( D1 `* w3 ` - LCD_WR_DATA8(0x62);, o" h/ A6 s; i
- LCD_WR_DATA8(0x02);
% k) r$ B9 Z& O' n( j6 h1 D2 x - LCD_WR_DATA8(0x04);# A& ?8 T- Q, U O0 _! p
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- LCD_WR_REG(0xC1);
, Z% E7 N" K$ ~! l - LCD_WR_DATA8(0xC0);; r8 }( }/ x. @! J2 K
-
* A: g+ s* h. ]/ b9 c" G! `' n - LCD_WR_REG(0xC2);" Y, @1 d3 k# W! x5 I6 n
- LCD_WR_DATA8(0x0D);4 ?% d$ a3 F3 c3 n& b
- LCD_WR_DATA8(0x00);
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- LCD_WR_REG(0xC3);5 G+ {/ Q1 E0 {6 t& K
- LCD_WR_DATA8(0x8D);0 A* [/ ^- P! j' k1 e: l, a' W P
- LCD_WR_DATA8(0x6A);
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) a( i# ^( f6 r2 r - LCD_WR_REG(0xC4);+ K6 k2 J! S# \+ {' u' T
- LCD_WR_DATA8(0x8D);% \- z9 f9 f8 ?4 ]8 \- N# `1 l9 ?- |
- LCD_WR_DATA8(0xEE);
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- LCD_WR_REG(0xC5); /*VCOM*/3 J4 }' H: d! ~: H$ V0 A7 `% i
- LCD_WR_DATA8(0x0E); & O% x) V$ H* y! F
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- LCD_WR_REG(0xE0);3 P7 m2 b3 V0 e3 j. k0 o
- LCD_WR_DATA8(0x10);
4 n( d D' ^( @" N: { - LCD_WR_DATA8(0x0E);9 |5 m F- [# x" E
- LCD_WR_DATA8(0x02);6 P' X; V8 t N, e! {/ P
- LCD_WR_DATA8(0x03);
/ O, A4 O* p' O6 l5 k- q - LCD_WR_DATA8(0x0E);4 J5 k. a- c/ x
- LCD_WR_DATA8(0x07);, _, k4 y, g! ]& f
- LCD_WR_DATA8(0x02);9 M% J, n% q0 l
- LCD_WR_DATA8(0x07);
" O2 Z$ [5 j. L' t% U7 ~ - LCD_WR_DATA8(0x0A);) j# f l7 s8 L; R
- LCD_WR_DATA8(0x12);
/ I1 n- x" K2 H/ b - LCD_WR_DATA8(0x27);, O" M( Y5 m" v! B
- LCD_WR_DATA8(0x37);
) Y7 b" Z3 L& o- e1 b& { - LCD_WR_DATA8(0x00);/ f, x( P- i; A' n$ w& s6 a
- LCD_WR_DATA8(0x0D);
; N' `9 b/ G% Q6 o* K) f* C4 ? { - LCD_WR_DATA8(0x0E);
# P l# p; E2 }% U$ N - LCD_WR_DATA8(0x10);
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- LCD_WR_REG(0xE1);
# ^6 g" Q3 C) s - LCD_WR_DATA8(0x10);
" [# ~& j0 k$ Q: G - LCD_WR_DATA8(0x0E);2 p/ { _) J5 \( z1 @$ B8 F" K
- LCD_WR_DATA8(0x03);
* h7 a; V% B1 _0 `: r - LCD_WR_DATA8(0x03);2 i5 V& j; ]+ Y2 D3 T7 V
- LCD_WR_DATA8(0x0F);- z7 m& V+ w$ n/ h, v
- LCD_WR_DATA8(0x06);! @+ L: e3 I- J& j
- LCD_WR_DATA8(0x02);% G( {' ~& U! Y/ j, b% s1 ~
- LCD_WR_DATA8(0x08);4 C+ D4 T4 W- b& t( Q' h$ w8 P
- LCD_WR_DATA8(0x0A);
4 i U1 _0 y& u' C. Z - LCD_WR_DATA8(0x13);
9 P1 j1 o- C Z' [$ P8 m% ]2 P - LCD_WR_DATA8(0x26);
3 O9 H$ l" [' n4 v, W - LCD_WR_DATA8(0x36);
& U" t; v# t7 `% N9 j7 v' R - LCD_WR_DATA8(0x00);
5 ]; N% h1 c% N. B; q' U - LCD_WR_DATA8(0x0D);
) k& O# n0 `2 q - LCD_WR_DATA8(0x0E); C r3 t! I% z% ~
- LCD_WR_DATA8(0x10);# [7 t1 r: \3 c! |! v z
- LCD_WR_REG(0x3A);9 A* j4 i/ N/ T o, y
- LCD_WR_DATA8(0x05);
+ u( r5 V- E4 b: |. T+ x, ] - LCD_WR_REG(0x36);
& ^2 S& F' G' t$ y" E5 C) ? - LCD_WR_DATA8(0x78);
" ^ g1 x2 h3 |. s - LCD_WR_REG(0x29);
# S a- |) Z2 [6 h$ v - }
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图片显示函数为: - void LCD_ShowPicture1(u16 x1,u16 y1,u16 x2,u16 y2)5 {3 u( N; N. f$ V! b
- {9 V/ G% k# D% s4 ~. ~$ @; O
- int i;
0 Q! C+ ^" P/ P W a - LCD_Address_Set(x1,y1,x2,y2);
) }0 T+ g. L1 ~- y - for(i=0;i<3808;i++)" T3 A( K1 R6 N+ O. a f2 o4 J
- {
" ^/ |; K: g U1 U4 {9 B - LCD_WR_DATA8(gImage_jsj[i*2]);4 B) P, Y% {7 E5 h
- LCD_WR_DATA8(gImage_jsj[i*2+1]);
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- void LCD_ShowPicture2(u16 x1,u16 y1,u16 x2,u16 y2)
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- int i;# W" F% {; X% k# w0 \4 `
- LCD_Address_Set(x1,y1,x2,y2);
' _" ~# |2 Q3 b) @- `5 a( ~' ? - for(i=0;i< 12800;i++). `- L# k% o j- Z! W$ x
- {/ [6 g0 d D! f
- LCD_WR_DATA8(gImage_moled[i*2]);
I1 g ~! B9 B, A8 U7 r# s5 B. e - LCD_WR_DATA8(gImage_moled[i*2+1]);, V6 z; D& k- g3 h& N" K- I
- }
% c' j( d) f" B9 ^% p0 K. O - }
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5 r. o- x' S! r3 U实现显示测试的主程序为: - int main()+ o/ a- g R$ o' c8 B
- {
" n- v, ^+ [# J2 w/ W1 p. K - float t=0;
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3 p9 I! l+ O A/ r3 m - HAL_Init();& c5 T8 y K( T8 a) _: [
- SystemClock_Config();
; S9 M8 W# b* B s2 W: U$ w! u9 n - Lcd_Init();- g+ u/ V# |0 ?; B8 D
- LCD_Clear(0x043C);
2 H3 Z3 s2 k3 S( R - LCD_ShowPicture1(0,0,55,67);, K8 |# U( B! z o
- HAL_Delay(1000);( G. ^$ H3 a/ R9 a$ C
- LCD_ShowPicture2(0,0,159,79);7 u' p- c, o3 T
- while(1);" S4 J$ _7 z2 q+ ?0 Z6 G0 w( R
- }
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, J0 T1 [, r+ Z; z- l; {显示计算机图标 , A/ {( u& Y6 S9 V* k0 x
显示彩色图片
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: p' `" W2 t; L8 ^( b7 f/ ~7 R4 }工程代码: c. I$ [5 s$ c" M8 `5 _" R
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