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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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( k" `* m8 g1 D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) $ h! D8 f! h2 |8 N; V. f
#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)
8 x. {, x' ? Z! ^ w+ K* A#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) 4 X/ N' A2 b' ^" i; D
#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)
7 M( ?4 s' q! l! ?#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) 3 @7 Q/ l8 u$ Y& e2 ^; i
#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) ! B5 j0 P! d1 _' B9 u o9 g
9 h' ^$ H0 k9 U' BOLED屏的初始化函数为: - void Lcd_Init(void)
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9 w& }6 C: z, E0 r$ a - GPIO_InitTypeDef GPIO_InitStruct;
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* V4 K* ~1 r4 s% J9 c/ i - /* GPIO Ports Clock Enable */: |' Q( K6 Q' ?& s; i
- __HAL_RCC_GPIOH_CLK_ENABLE();) C1 w5 w* E9 H+ G
- __HAL_RCC_GPIOA_CLK_ENABLE();
( c1 h. \, E" \$ v- t - __HAL_RCC_GPIOC_CLK_ENABLE();
2 g! [4 d2 x# ?) \ - __HAL_RCC_GPIOD_CLK_ENABLE();
# R( ]- H8 I4 l& m3 s: O6 S; N/ S - __HAL_RCC_GPIOB_CLK_ENABLE();
, |4 b# x& w: m# ]( @ - __HAL_RCC_GPIOF_CLK_ENABLE();
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- /*Configure GPIO pin Output Level */2 E2 |8 l" F/ `
- HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);
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( ~8 Y( W$ I% ?# \5 q/ w - /*Configure GPIO pin Output Level */1 K1 B) T, v2 s
- HAL_GPIO_WritePin(GPIOF, GPIO_PIN_12, GPIO_PIN_SET);
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; J- A2 J% L5 ?/ H# W q0 s - /*Configure GPIO pin Output Level */
9 A. O' G3 e2 H - HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_SET);) X; ^! n) t* r) ?4 |, m
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. C& M' [) K. K# k. `! T# W - GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;9 ?: y- n3 Y% ]7 |/ @% C. K
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;) A* h" o' c, I- t
- GPIO_InitStruct.Pull = GPIO_PULLUP;
5 b9 o' C! q& I6 ^* n. i - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
# {- x6 ^. d- K2 z - HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);# \4 N6 j5 Z! H! Q; M. a
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) N2 C4 j& |& b3 L! O! |& o8 c% K1 d+ K - GPIO_InitStruct.Pin = GPIO_PIN_12;( o( J/ J& z8 u. }: j" h+ A/ g% h* y
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
/ G8 i x8 H: Z8 y8 |: G/ q - GPIO_InitStruct.Pull = GPIO_PULLUP;) w7 a8 h7 N7 u
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;4 E! S4 ?3 \/ S! S) }
- HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);, ?1 Q r: h, D" ^4 M6 }) h
-
9 q' ~, |8 U) V - GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;) M7 {. j, i6 W. C2 ]! U6 h6 b
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
; ^+ N3 r3 T6 @2 X; p" a& [ - GPIO_InitStruct.Pull = GPIO_PULLUP; v" Q# A" z0 }7 g% Q
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; _4 i6 E5 g! Y# r3 w
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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4 o/ K& Q* A* a; N1 j" R - OLED_RST_Clr();8 [2 X$ Y3 Y0 P' s% a( s& F6 r x
- HAL_Delay(200);
s2 }* b- ?" d - OLED_RST_Set();5 L6 b, B; r! L5 W3 r# v
- HAL_Delay(200);
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$ z, D: e' U/ R$ F% M - LCD_WR_REG(0x11);5 ? j: v+ Y9 b) ]# A a7 g
- HAL_Delay(100);- G4 s# L# r4 Y% T$ e$ u: `
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- LCD_WR_REG(0x21);
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- LCD_WR_REG(0xB1);
# v- q7 O- e9 c* K( B. V' Z - LCD_WR_DATA8(0x05);) G5 E1 t; }( w, e6 L
- LCD_WR_DATA8(0x3A);$ A3 M' m+ n" g9 p3 u
- LCD_WR_DATA8(0x3A);
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% n6 [' k# H+ ~. d# H: P) } - LCD_WR_REG(0xB2);+ ^0 x$ `. T- [9 R x5 r; V
- LCD_WR_DATA8(0x05);% x! e- J8 I; J" M* h% C+ [
- LCD_WR_DATA8(0x3A);) a& C% a4 G7 {# F" h
- LCD_WR_DATA8(0x3A);
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- LCD_WR_REG(0xB3);
" {8 V% P) C2 r6 ` b5 P: |+ e - LCD_WR_DATA8(0x05); 7 Y& t5 V! F( e0 q' `6 ]8 Z
- LCD_WR_DATA8(0x3A);
8 }: Q+ v# g2 m* R - LCD_WR_DATA8(0x3A);
& [ k" |% k* e; L1 w3 h$ |' u. } - LCD_WR_DATA8(0x05);
9 r) z9 k! V2 x3 k2 u; X8 N - LCD_WR_DATA8(0x3A);
. E1 f, t m* ~; j _, q - LCD_WR_DATA8(0x3A);
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- LCD_WR_REG(0xB4);# F2 t M3 n7 ~, X) z
- LCD_WR_DATA8(0x03);
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- LCD_WR_REG(0xC0);
. }( P! x; P, b - LCD_WR_DATA8(0x62);! |3 z6 F! S1 A
- LCD_WR_DATA8(0x02);
& x% ~1 X9 A( @& ?" n1 H - LCD_WR_DATA8(0x04);
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- LCD_WR_REG(0xC1);9 [* }7 i, J% U- D! r' l
- LCD_WR_DATA8(0xC0);
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- LCD_WR_REG(0xC2);' W, b8 }0 v3 n1 c/ A8 ^ w2 i* {
- LCD_WR_DATA8(0x0D);
* t; O1 G2 h3 U - LCD_WR_DATA8(0x00);
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" K' \1 _" `- M. F) \ - LCD_WR_REG(0xC3);! L' t# M# I' D
- LCD_WR_DATA8(0x8D);
E, Z, K2 M5 F2 m( h- ?- X' h - LCD_WR_DATA8(0x6A); 1 P+ j1 o, R0 {) ?- Y2 l
-
9 V' g% G. S. v8 z6 y! H - LCD_WR_REG(0xC4);
* o" D4 {5 Q2 o* ^; ~ - LCD_WR_DATA8(0x8D);
3 t! s: L! t: M7 ^1 \: H; n, y' ? - LCD_WR_DATA8(0xEE);
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- LCD_WR_REG(0xC5); /*VCOM*/
! ?* A E: M$ e5 \; w: I6 Q, {9 G- V$ s - LCD_WR_DATA8(0x0E); $ B% j, t/ P" n8 `5 V
-
& N( o L8 a& {* W: z - LCD_WR_REG(0xE0);
; e' W* `: W8 ` F7 V( h' ~ - LCD_WR_DATA8(0x10);6 L6 J# ]) {0 ~. Y/ ~; d* ?7 @
- LCD_WR_DATA8(0x0E);
. |2 L+ N: ?& |# L4 W3 F: m2 w - LCD_WR_DATA8(0x02);9 [+ m" X+ R! ^+ x: g' R
- LCD_WR_DATA8(0x03);: Z" n3 t4 L( g% |9 F, V# q4 D% ^7 B
- LCD_WR_DATA8(0x0E);
( {+ f$ ~4 L2 {3 t$ q3 f - LCD_WR_DATA8(0x07);5 W6 ?% }( F; ?8 Y& T( p
- LCD_WR_DATA8(0x02);
, ~9 H1 b$ c( F) Q, L* W - LCD_WR_DATA8(0x07);
* Z7 _( \/ J& d c6 i8 {" f) n - LCD_WR_DATA8(0x0A);" h U9 T; Z: \/ ~
- LCD_WR_DATA8(0x12);
4 H3 c0 i5 ?3 z& e6 c - LCD_WR_DATA8(0x27);& [- Q" T8 |) E8 K! k5 Z2 e
- LCD_WR_DATA8(0x37);" I! j* k$ a6 \6 w. A" |+ y
- LCD_WR_DATA8(0x00);8 A' y, C* {% g% Z1 H& {- d( O
- LCD_WR_DATA8(0x0D);/ t& J2 v! d4 A1 Q
- LCD_WR_DATA8(0x0E);; Y {: W! a; {7 Y( O
- LCD_WR_DATA8(0x10);6 n% B( |" \! H b! {1 n l
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- LCD_WR_REG(0xE1);
* f6 l8 j, ^* G5 S7 u5 E - LCD_WR_DATA8(0x10);
$ t; D' j( \, ^, \" u - LCD_WR_DATA8(0x0E);
3 @5 \% N; N! B8 [' B; r - LCD_WR_DATA8(0x03);1 I0 _2 q- R* H% A3 R+ [* k o
- LCD_WR_DATA8(0x03);. e9 `( H: P) c; o$ Z _ o. i6 T
- LCD_WR_DATA8(0x0F);5 _* @6 V P( e8 M- O1 R1 G
- LCD_WR_DATA8(0x06);: T1 j% a0 u& F1 q0 ^1 `+ c
- LCD_WR_DATA8(0x02);6 I& m: O$ A$ g$ f
- LCD_WR_DATA8(0x08); u) x1 k+ V% O: c y r9 M
- LCD_WR_DATA8(0x0A);
" S* w. B9 O7 t& @6 y) S: z - LCD_WR_DATA8(0x13);
3 F$ j1 m1 l6 {: M J - LCD_WR_DATA8(0x26);
' }* L& C/ ]' [7 ]7 X6 P4 p* k- k - LCD_WR_DATA8(0x36);
3 Y5 H4 H4 K2 A% S# w- o - LCD_WR_DATA8(0x00);( r9 @" a$ n0 N8 z$ N; y
- LCD_WR_DATA8(0x0D);
2 H8 g7 B8 e3 S5 q - LCD_WR_DATA8(0x0E);
; N) z5 ?+ N1 Q3 ? - LCD_WR_DATA8(0x10);4 [3 T- O6 i( S! U+ r5 I2 ?
- LCD_WR_REG(0x3A);: w( W f6 i/ s+ a! o
- LCD_WR_DATA8(0x05);$ E, V- g% E; B
- LCD_WR_REG(0x36);6 ~% S( Y2 K0 t
- LCD_WR_DATA8(0x78);* i6 ~/ u$ l) n
- LCD_WR_REG(0x29);+ F; x0 M8 }' b5 M6 Z5 c z2 l9 N: f
- }
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4 d$ Y4 A% a3 d5 g+ d2 G9 C图片显示函数为: - void LCD_ShowPicture1(u16 x1,u16 y1,u16 x2,u16 y2)
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$ x4 |0 e* ~- v, \5 y - int i;1 a4 Y1 S, {- F% g6 H- j6 W" `
- LCD_Address_Set(x1,y1,x2,y2);* n0 M1 L- n2 A
- for(i=0;i<3808;i++)
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- LCD_WR_DATA8(gImage_jsj[i*2]);
1 u5 f. f' S$ O- a9 x L - LCD_WR_DATA8(gImage_jsj[i*2+1]);
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- void LCD_ShowPicture2(u16 x1,u16 y1,u16 x2,u16 y2)3 X. |( O) D8 C$ C
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- int i;
, B4 X" U7 c) y# z( j - LCD_Address_Set(x1,y1,x2,y2);
- w# ~- c- U* c9 S4 J - for(i=0;i< 12800;i++)
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! N- N5 p7 }1 z. ` - LCD_WR_DATA8(gImage_moled[i*2]);; {7 w5 C( w$ J- U. |* F P! i4 j: n0 i
- LCD_WR_DATA8(gImage_moled[i*2+1]);
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! [5 r, Q" @- s# M2 e - }
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实现显示测试的主程序为: - int main()/ A8 Z1 D* l x- j
- {
7 _$ q( j8 z5 z5 p - float t=0;2 P1 r, ?& X4 s
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7 [: E) D* X" c% G: l; w0 W* h- ` - HAL_Init();) H0 S- ^0 ?4 \: t. Y! g$ s) p
- SystemClock_Config();
1 V% ^0 B4 a1 ~! D) U9 @ - Lcd_Init();
$ R& R. j2 R9 _$ }$ N) U - LCD_Clear(0x043C);% l; x& a/ ^; I8 Y$ Q! j$ H
- LCD_ShowPicture1(0,0,55,67);% q4 G! C7 ?2 I& O- E3 J7 _
- HAL_Delay(1000);* F! b7 u7 A" `- u
- LCD_ShowPicture2(0,0,159,79);) y! c: H# t9 ]
- while(1);0 ? d$ ]# W u' }
- }
复制代码 $ U# ~$ b( G0 U* `# ?1 W& O; U
显示计算机图标 # G7 x! w! h1 t5 Z$ Y4 b' D: b
显示彩色图片
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工程代码:; a: b) ?) r' E( H3 p
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