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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8 l6 g- P. k7 |" r. P/ Y4 P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)
2 V% G( c8 R' P2 @/ ~#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) % ^- n x! n: E/ n1 \$ I- Y
#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)
- {* o& K' n2 Z/ m$ w#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) $ ~: C9 Q% ~. {; a
#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)
; T+ ?; \, n( m#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) * ~& I( i: s' G
( w4 l+ H! _, Z+ v5 I* kOLED屏的初始化函数为: - void Lcd_Init(void)' P- M& q% `+ ^" m1 |. Z
- {: U5 K% p# B, r$ C
- GPIO_InitTypeDef GPIO_InitStruct;. ?, ^$ \4 Y* u5 L. d
-
9 J# e3 o5 c0 g+ I) m - /* GPIO Ports Clock Enable */
$ H8 A- v6 w4 X, m - __HAL_RCC_GPIOH_CLK_ENABLE();
6 ?8 c2 [' s' Z/ r) r - __HAL_RCC_GPIOA_CLK_ENABLE();
! B7 t6 p J+ L! C, ?. N - __HAL_RCC_GPIOC_CLK_ENABLE();$ f2 i; Z9 m S; [* k" ?% O
- __HAL_RCC_GPIOD_CLK_ENABLE();
+ u: [" w/ N4 D6 t - __HAL_RCC_GPIOB_CLK_ENABLE();
6 H1 h) ^4 V) W g+ s2 I" K - __HAL_RCC_GPIOF_CLK_ENABLE();
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- /*Configure GPIO pin Output Level */
( v7 c* ^6 M$ ]+ j4 f9 H3 v5 D( J7 s - HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);2 v8 J! t- _1 N9 y( ?
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- /*Configure GPIO pin Output Level */
" O& K; }2 l6 B8 J. o r, w - HAL_GPIO_WritePin(GPIOF, GPIO_PIN_12, GPIO_PIN_SET);
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- /*Configure GPIO pin Output Level */1 O% k6 b/ z/ A7 W
- HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_SET);) D$ v! u6 |) @% v' o w" z
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- GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
) }9 m1 t; I4 b4 t( ^* f" v! U - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
' V F; s: H7 c5 }: A& \" R6 D - GPIO_InitStruct.Pull = GPIO_PULLUP;7 W4 O" E. M6 F. A
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
! p$ O4 s; P) b3 ]# P( w - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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- GPIO_InitStruct.Pin = GPIO_PIN_12;9 }( D. @$ N6 X+ | x* o/ n
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;. q# @) N0 Q$ d6 y# v5 o
- GPIO_InitStruct.Pull = GPIO_PULLUP;
* v; J! I" l9 Q( _2 t - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;6 F+ v( U% o" U; E4 [) V; y
- HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);( T- r1 Y5 d; L; F( v `, @2 K" G2 ]
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- GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;
; P- U* L: @" H+ y - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
. x4 A, _8 N" ?) k; ^! g - GPIO_InitStruct.Pull = GPIO_PULLUP;
( F' Q2 |) f9 }8 ? - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;4 e( ~. n b, E% G0 W/ z' j) K
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);- X8 M o/ T/ d; s+ W( w5 U2 K; e+ d
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- OLED_RST_Clr();4 i# `$ R8 a0 C1 S# { G& e) i [
- HAL_Delay(200);
% p1 l0 p& E+ K7 t% ~/ w) n/ H - OLED_RST_Set();0 R* s8 n" f& ]2 a4 B( {7 f# ?
- HAL_Delay(200);
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X4 K, n2 T2 D: d - LCD_WR_REG(0x11);
. J+ G. h$ a+ E0 } - HAL_Delay(100);* y" Y3 t; y! T
- 8 j' p# H& o& ?9 L( x/ D: x
- LCD_WR_REG(0x21);3 V4 o, u- N. L" _) ~- W# U
-
9 X7 f- Q+ B: W! j- `6 D - LCD_WR_REG(0xB1);! S9 x+ L( f& g' A; m3 U4 j, \6 j. c
- LCD_WR_DATA8(0x05);) N7 P3 }; u5 X$ m q. |% H
- LCD_WR_DATA8(0x3A);) H& T/ W$ m0 u
- LCD_WR_DATA8(0x3A);, C( e, W ^: F
- 3 X0 g5 S! x5 x# t) ~
- LCD_WR_REG(0xB2);
" y3 ]/ q4 j* V- g5 O( q" d5 ]- P - LCD_WR_DATA8(0x05);2 ?2 l/ w) y$ l q! ], ]5 S+ t% p
- LCD_WR_DATA8(0x3A);
; |1 Q7 b+ x, g7 J1 P - LCD_WR_DATA8(0x3A);
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- LCD_WR_REG(0xB3);) l) y4 Q$ r0 q- E7 N" u) P
- LCD_WR_DATA8(0x05);
) I5 y* w6 k6 o) z7 F, B - LCD_WR_DATA8(0x3A);
# E! z$ w0 ~# V8 A* l/ }5 a - LCD_WR_DATA8(0x3A);
. u; \4 Q! H( t |# g- u" B5 ^. c2 P - LCD_WR_DATA8(0x05);! {2 Y/ x4 x. V, { Y& i
- LCD_WR_DATA8(0x3A);3 a3 X& k) W2 Z6 N; E, e+ U9 B
- LCD_WR_DATA8(0x3A);/ I4 ]" M! r# P) o& p( v
-
- i6 W$ v( o4 o- S: V4 z& H% o6 W - LCD_WR_REG(0xB4);8 _+ S# v$ | ^8 o) ~! R
- LCD_WR_DATA8(0x03);
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" O% `, R0 m4 w% g3 b0 q/ a - LCD_WR_REG(0xC0);/ Y1 {2 o5 O G8 {/ U, M, `$ x# B
- LCD_WR_DATA8(0x62);' F! o- s& G8 A5 w0 X4 R# W
- LCD_WR_DATA8(0x02);+ ]0 \' X+ K* a% a2 q5 k
- LCD_WR_DATA8(0x04);
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- LCD_WR_REG(0xC1);
/ I- n9 i( |0 M3 ]5 D& x, v3 { - LCD_WR_DATA8(0xC0);; n" N0 e" n3 C
-
& b \8 W% A7 }6 [ - LCD_WR_REG(0xC2);
" E9 b$ X. E1 K) D! r3 _! C - LCD_WR_DATA8(0x0D);6 I7 V6 u, @% U- B5 [
- LCD_WR_DATA8(0x00);
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3 a6 q* U: n, u4 { - LCD_WR_REG(0xC3);' q3 u3 S7 {. _1 @% r5 X
- LCD_WR_DATA8(0x8D);
+ @+ s9 m$ W: n. x) b - LCD_WR_DATA8(0x6A); 9 M4 s( s0 D/ ?
-
; ~ q( O% ]7 A; c3 F) _" t - LCD_WR_REG(0xC4);
) e9 A) I$ e/ E8 F: M2 Z0 ^ - LCD_WR_DATA8(0x8D);
# q" `5 p; r4 p2 y - LCD_WR_DATA8(0xEE);: K3 M8 T0 ?0 ~
-
) T2 ]: n9 w/ `7 Y$ { - LCD_WR_REG(0xC5); /*VCOM*/% s0 ~- h8 Y& q6 m
- LCD_WR_DATA8(0x0E); 5 C$ P6 I3 W3 J' y' `; Z$ d A& X
- / B% S2 ]9 H# P! B9 r/ p- Q4 V
- LCD_WR_REG(0xE0);$ f( }- \# d+ e: `& V5 b
- LCD_WR_DATA8(0x10);
! Y) p% ~' g1 b, J0 { - LCD_WR_DATA8(0x0E);1 a# M' y) [4 v* \/ k2 U" i
- LCD_WR_DATA8(0x02);- P5 q: q3 r8 ? h
- LCD_WR_DATA8(0x03);
# i. F7 A6 V9 C+ Q+ I - LCD_WR_DATA8(0x0E);/ {% e$ g& V1 E. H7 m
- LCD_WR_DATA8(0x07);$ H1 T* N! R# r: I1 J1 y
- LCD_WR_DATA8(0x02);) `+ r+ K+ n0 f5 x1 m7 }
- LCD_WR_DATA8(0x07);' m) m6 d5 d- l; A$ e
- LCD_WR_DATA8(0x0A);
/ s6 \1 |4 h* t+ V/ b. j - LCD_WR_DATA8(0x12);
4 ~% N" Y& E) W' }$ }1 d - LCD_WR_DATA8(0x27);
3 _6 _$ Y0 H: I' d" L( v, z - LCD_WR_DATA8(0x37);
5 F, l( c0 m5 M - LCD_WR_DATA8(0x00);+ P* D# c# w9 u+ R% i- N
- LCD_WR_DATA8(0x0D);4 ^: l6 y7 s0 C! C) e% K. t: A
- LCD_WR_DATA8(0x0E);
% L1 O% P+ e% F - LCD_WR_DATA8(0x10);) \2 S+ t- H* N; [: f
- 5 Q! |9 s: B# Y8 T
- LCD_WR_REG(0xE1);1 V2 `6 l3 o: L0 d. Z
- LCD_WR_DATA8(0x10);& I4 s: s$ I/ N! S, N
- LCD_WR_DATA8(0x0E);& U- \9 a3 ~3 t8 K: B* n
- LCD_WR_DATA8(0x03);; G' k0 m& k& i" E
- LCD_WR_DATA8(0x03);
7 d0 z; ~- `) X+ D5 x - LCD_WR_DATA8(0x0F);
- a5 M: ]) K7 \9 U% i) N2 _3 V x* K" q - LCD_WR_DATA8(0x06);
3 A7 i6 v3 F$ i" h9 H - LCD_WR_DATA8(0x02);. q+ ~. [9 P. \7 V
- LCD_WR_DATA8(0x08);/ O) D2 e& k8 ]1 \
- LCD_WR_DATA8(0x0A);! \' L" }/ t f' j" O$ y$ {
- LCD_WR_DATA8(0x13); |2 v" e0 ~$ k
- LCD_WR_DATA8(0x26);0 z: o- `& `$ E4 k) \6 e( c/ l: _
- LCD_WR_DATA8(0x36);
2 q. Z& S8 u- i% ]+ a - LCD_WR_DATA8(0x00);
5 o3 o# b% n0 p - LCD_WR_DATA8(0x0D);. @5 p6 I! `5 m i5 d5 u
- LCD_WR_DATA8(0x0E);
w0 c4 t& U. W9 g - LCD_WR_DATA8(0x10);, m- o# h, Q" z, ~ y$ {4 U( v
- LCD_WR_REG(0x3A);
( T' d; Z3 S2 \1 j4 B! W, A - LCD_WR_DATA8(0x05);% k0 \0 [+ U! ?( C
- LCD_WR_REG(0x36);
5 A& s+ d! w& l; e3 O2 q# A' t5 D - LCD_WR_DATA8(0x78);( n* z, C1 @% m8 l N3 g
- LCD_WR_REG(0x29);7 r0 e8 ^; \0 t
- }
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图片显示函数为: - void LCD_ShowPicture1(u16 x1,u16 y1,u16 x2,u16 y2), K3 D% V1 H4 ]) F1 @. m- e' u
- {
$ I" x4 Q5 ^% Z9 y$ `5 L - int i;' l% I5 @5 R7 O* }& a f
- LCD_Address_Set(x1,y1,x2,y2);
7 d3 `- U' R' L6 Z# n& j7 K- S - for(i=0;i<3808;i++)7 G- W$ r- p+ Z0 I& q9 o% Q% R
- {' b+ T% h& G4 ^$ J
- LCD_WR_DATA8(gImage_jsj[i*2]);
/ g! X$ T& A8 I8 v6 W) m5 t - LCD_WR_DATA8(gImage_jsj[i*2+1]);; q8 S g# s5 E5 u G
- } 2 {2 T) F1 a: i) a7 d0 U4 c& o! {+ w
- }% v1 Z0 {1 B& q+ X
- 9 t; b. V0 G) p" c' o3 }4 y% m$ o: j
- void LCD_ShowPicture2(u16 x1,u16 y1,u16 x2,u16 y2)$ w& I6 l8 k2 l/ ?% C1 W, S! ~: S
- {3 y6 L: Z# j1 R5 L; M% r
- int i;; {. E+ q0 y! ]& P
- LCD_Address_Set(x1,y1,x2,y2); v* U/ x: `2 l; A+ s s+ G( m! H
- for(i=0;i< 12800;i++)1 {: l; x5 P& c" S9 y
- {: ]3 w& J* [# {, _2 x
- LCD_WR_DATA8(gImage_moled[i*2]);. Z$ y. E {' |3 q$ O
- LCD_WR_DATA8(gImage_moled[i*2+1]);
/ V& K5 d+ P4 z4 L% [ - }" `. o/ e5 u( e2 A Y$ z
- }
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4 r% Y4 e( \5 p8 n实现显示测试的主程序为: - int main()
7 ~" }' O( M- E# t; |9 ~+ L - {
5 A1 x# T. Q# Q - float t=0;
' g" l7 t# ~6 D% }6 t# Y$ T - u8 i;
6 C/ t% P) @# f: }; ?1 @ - HAL_Init(); O4 X8 j6 \5 ~# z4 ~
- SystemClock_Config();2 O& n6 i; g: ~ Y% L
- Lcd_Init();; n6 ~) j& l# Z! G% J* |
- LCD_Clear(0x043C);% @" i4 @, I1 D8 t6 ?
- LCD_ShowPicture1(0,0,55,67);* s3 S* P: f7 E$ ^
- HAL_Delay(1000);: t$ m- p+ Q9 L* m
- LCD_ShowPicture2(0,0,159,79);& n6 N. T1 l* M4 Z$ M
- while(1);3 j. i9 N& B* y! q1 ]
- }
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显示计算机图标 4 i/ |' n& M7 k% D# G8 |6 n
显示彩色图片& C! _( Q3 P( w
9 q: V- R1 M( b7 \: t; d* [工程代码:
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