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 0 ^3 d) C2 u( z8 X- s
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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) 6 o e* _# r" I ^4 ^
#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)
% ]' V5 ^7 v" ?- P#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)
: X$ T7 b6 C/ x0 J0 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)
/ k3 V& y- Y, O" r3 Y#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)
% U" d: |& S. p4 t, q7 o1 _#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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- GPIO_InitTypeDef GPIO_InitStruct;
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- /* GPIO Ports Clock Enable */! t! d" s; D: P4 i% h
- __HAL_RCC_GPIOH_CLK_ENABLE();
0 Y) u3 T9 h3 [. h - __HAL_RCC_GPIOA_CLK_ENABLE();; l+ N5 B4 ? t9 _- @- @) R: Y0 L; G7 ~
- __HAL_RCC_GPIOC_CLK_ENABLE();, s- s2 v! ~0 L1 f5 x: \) M
- __HAL_RCC_GPIOD_CLK_ENABLE();
4 a# ~& g7 D5 J, H3 ^' K - __HAL_RCC_GPIOB_CLK_ENABLE();. l& N, Q% u7 x z
- __HAL_RCC_GPIOF_CLK_ENABLE();
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- /*Configure GPIO pin Output Level */
- ?# k& L0 I1 S m$ M - HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7, GPIO_PIN_SET);
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" g$ g4 p6 {! Q( u2 `' m- X1 T - /*Configure GPIO pin Output Level */
" M2 e* I$ k ~8 K& M - HAL_GPIO_WritePin(GPIOF, GPIO_PIN_12, GPIO_PIN_SET);
+ Q A7 n( h8 P/ g* ^: E4 h; L; X -
+ V4 g2 S7 S# _4 D6 S - /*Configure GPIO pin Output Level */
4 H1 F9 z" b" q - HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14|GPIO_PIN_15, GPIO_PIN_SET);
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/ x' D0 } e) C - GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
* @* d! B8 A: O0 N+ R% C5 v2 u - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;! J( Q. w5 x5 P+ p) A( M: W4 T
- GPIO_InitStruct.Pull = GPIO_PULLUP;
3 v K; z/ q9 y0 K! Z" O - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;$ K- n: I$ f. T3 z" ~
- HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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- GPIO_InitStruct.Pin = GPIO_PIN_12;% {, y1 e) I1 C4 k: X: H
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;4 ?: Z# u# ?* ]1 {) d5 m
- GPIO_InitStruct.Pull = GPIO_PULLUP;
6 X, Z9 r7 k0 C- { - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;; {9 C2 S# O: I) G& x
- HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
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- GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_15;. f3 u- O# y& O/ `! T
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
' f/ m( q4 i6 x6 w - GPIO_InitStruct.Pull = GPIO_PULLUP;! v/ d5 i$ ?( @
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
( B* e8 b; ~0 }- B - HAL_GPIO_Init(GPIOD, &GPIO_InitStruct); L% m5 x* H, @+ \) g" h
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- OLED_RST_Clr();
. D5 i- @% R0 j; _' T+ K: { - HAL_Delay(200);' H+ L- P" k8 O; T9 b+ T% Q
- OLED_RST_Set();
! D$ y7 J- q- W: U& n" k- y - HAL_Delay(200);& U8 s1 m' @) V" B+ \6 e
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- LCD_WR_REG(0x11);+ s- {+ V1 H1 D; p/ b5 ?6 a
- HAL_Delay(100);6 x8 P$ G2 H1 e& R2 T( T c
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- LCD_WR_REG(0x21);
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- LCD_WR_REG(0xB1);
B$ ]9 X7 d `5 s+ }3 _ - LCD_WR_DATA8(0x05);4 m5 L! c0 P5 D1 k" B# s3 G
- LCD_WR_DATA8(0x3A);! h+ }' U& b b5 v; W( R F2 r
- LCD_WR_DATA8(0x3A);: j. j- g( r0 g2 ?9 Q/ n: J
-
! j( s w( A9 \) m- r! r4 N! [ - LCD_WR_REG(0xB2);
' y; z* M$ `5 x2 S" L8 U - LCD_WR_DATA8(0x05);0 p. E# }3 ` g& |' x# x; {
- LCD_WR_DATA8(0x3A);
2 H6 W5 v9 T2 y, @! M, v6 P - LCD_WR_DATA8(0x3A);
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6 r3 {2 i+ a5 z% f' C" Z$ S - LCD_WR_REG(0xB3);
6 w' l) U9 f+ K- J8 N - LCD_WR_DATA8(0x05);
) M, U5 T- z7 ~ - LCD_WR_DATA8(0x3A);- Z+ H' ?7 e, U( l' K" b
- LCD_WR_DATA8(0x3A);
4 J; ^+ z$ _# H4 m+ p9 {8 L - LCD_WR_DATA8(0x05);2 A/ O2 F( [3 H0 M9 p+ e
- LCD_WR_DATA8(0x3A);* l! _6 D3 l- w! G/ @
- LCD_WR_DATA8(0x3A);$ t( D+ x! ?9 _" o% H
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- LCD_WR_REG(0xB4);# x* r" e& M; j/ o: x* K5 u, C, ~1 a; a
- LCD_WR_DATA8(0x03);- u5 x. U8 M! d# u
-
/ @. [9 E& ~# p5 x6 i- D - LCD_WR_REG(0xC0);1 K1 X$ ~4 t- X$ Q' ?
- LCD_WR_DATA8(0x62);1 c d4 L( S$ j+ f
- LCD_WR_DATA8(0x02);" a2 `, @2 ?& N; p
- LCD_WR_DATA8(0x04);- X( x: y$ E' E0 [5 \
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: g9 k/ d8 M! Z - LCD_WR_REG(0xC1);
; f0 E" F7 U! E& a3 C - LCD_WR_DATA8(0xC0);
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- LCD_WR_REG(0xC2);4 ^$ a( w" }- Q; Z9 [
- LCD_WR_DATA8(0x0D);
$ j9 [% r) t* A - LCD_WR_DATA8(0x00);
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8 o$ l0 v1 ^7 I# d - LCD_WR_REG(0xC3);
) s" w( u7 b8 Q3 `+ x* Y - LCD_WR_DATA8(0x8D);/ _$ Y1 t( ]& p7 z# H' h" U, z
- LCD_WR_DATA8(0x6A);
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- LCD_WR_REG(0xC4);5 s/ i7 v( Y5 `( F- j' X. _+ ]
- LCD_WR_DATA8(0x8D);8 V u/ O# `. P
- LCD_WR_DATA8(0xEE);; R8 ?8 h2 `. n, V& e3 e6 A
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- LCD_WR_REG(0xC5); /*VCOM*/' j' v- y# x( o5 ?5 c3 ~0 N' z
- LCD_WR_DATA8(0x0E);
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- LCD_WR_REG(0xE0);6 V$ P' u/ w: \
- LCD_WR_DATA8(0x10);9 V4 d, ^2 U4 D' u# n1 f
- LCD_WR_DATA8(0x0E);
* q- u" z8 b w& k' G) o - LCD_WR_DATA8(0x02);* c7 t$ @: _ R* t' \% g, F
- LCD_WR_DATA8(0x03);. D( }( M, B) d" j6 P0 g# e
- LCD_WR_DATA8(0x0E);4 j2 |4 U7 ?; G5 y1 i: w
- LCD_WR_DATA8(0x07);) I: c( X, ^2 |+ ^. O2 B+ ]
- LCD_WR_DATA8(0x02);
' }; x# _$ |* n9 X! G, N - LCD_WR_DATA8(0x07);/ h7 F( w' b2 \+ f/ J8 c- h; r6 t
- LCD_WR_DATA8(0x0A);
5 M! C; _- a2 e0 A4 Z4 ? - LCD_WR_DATA8(0x12);
0 D2 E( E0 e' q) \3 b - LCD_WR_DATA8(0x27);
# _9 a7 l" i! e. l0 t1 P/ s - LCD_WR_DATA8(0x37);1 f) b5 O5 }$ M, @4 d& Y0 x
- LCD_WR_DATA8(0x00);
) L3 {. z, p* T - LCD_WR_DATA8(0x0D);
) E9 }9 b" C1 D - LCD_WR_DATA8(0x0E);
0 B7 Y' Z% p2 O/ Q+ L - LCD_WR_DATA8(0x10);
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- LCD_WR_REG(0xE1);# v* r, L$ m4 A) Z! x$ q# ?
- LCD_WR_DATA8(0x10);1 D4 h' D. `! e7 u8 ]+ _9 n
- LCD_WR_DATA8(0x0E);
5 f# S0 X. j. K) B1 p5 W - LCD_WR_DATA8(0x03);
C" d3 ?3 j- Q. f% X - LCD_WR_DATA8(0x03);# x; X1 K' G( m: P/ ^4 V
- LCD_WR_DATA8(0x0F);
" k( ^) Q/ k# n3 P% ~/ [" j - LCD_WR_DATA8(0x06);* Q+ @# I! U9 d$ [5 [* X) m% u
- LCD_WR_DATA8(0x02);
+ ?1 h+ B- T3 ]# V - LCD_WR_DATA8(0x08);% y, G- H) \+ M% ~+ {4 C' Z) v
- LCD_WR_DATA8(0x0A);
! R3 @1 y/ u: b) w) i/ ~0 g - LCD_WR_DATA8(0x13);
8 Z8 a# G0 H7 Q5 l - LCD_WR_DATA8(0x26);
" V5 s l7 V; C5 T$ C2 ]4 r3 r - LCD_WR_DATA8(0x36);% [9 \- H9 g# W$ A4 V1 J# `. d
- LCD_WR_DATA8(0x00);# d$ y) {0 K. [* R5 u8 t" S
- LCD_WR_DATA8(0x0D);
7 s R% L/ ~$ e7 } - LCD_WR_DATA8(0x0E);+ m# {* B7 ~7 K8 Y4 u ?
- LCD_WR_DATA8(0x10);0 n8 ^6 J" x3 I2 _1 z9 r
- LCD_WR_REG(0x3A);! v* @1 R5 g4 o
- LCD_WR_DATA8(0x05);
" `9 w, p7 _# u& N4 F - LCD_WR_REG(0x36);# N) ?# t( y- l. _. y6 t+ t! A% r
- LCD_WR_DATA8(0x78);2 h. x( T* _6 o3 n& a
- LCD_WR_REG(0x29);2 r% p! k1 X: \
- }
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$ W! k5 r( z3 K U图片显示函数为: - void LCD_ShowPicture1(u16 x1,u16 y1,u16 x2,u16 y2), q5 d7 Z( e" t$ H) H1 z3 O6 i
- {
' l' m- W$ \; P$ L - int i;
/ W- w" _- A1 C! d( w% w' i6 A6 n - LCD_Address_Set(x1,y1,x2,y2); s3 A n& w9 ^, Y7 d* E1 o, H$ p
- for(i=0;i<3808;i++)2 w- E" `1 v2 ]; z6 R
- {
( Z5 K# I* _3 ]1 _- W" a j - LCD_WR_DATA8(gImage_jsj[i*2]);
' a' E. A3 D4 y+ f' M - LCD_WR_DATA8(gImage_jsj[i*2+1]);
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- }
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8 @* Z6 b4 W. v1 k4 j - void LCD_ShowPicture2(u16 x1,u16 y1,u16 x2,u16 y2)0 X2 h9 x7 ]6 s E
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- int i;% i. s& M1 I( j$ Q d3 }% S
- LCD_Address_Set(x1,y1,x2,y2);
5 p0 Y. b6 e/ t" W# i* n - for(i=0;i< 12800;i++)* @/ V3 [8 K! r/ T) ]" H9 V. K4 `7 p
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- LCD_WR_DATA8(gImage_moled[i*2]);
9 {6 l ]: P# W - LCD_WR_DATA8(gImage_moled[i*2+1]);
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- }
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8 i! b J- @5 l实现显示测试的主程序为: - int main()+ }+ G" G3 n2 P. p
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- float t=0;$ x0 U1 Q. k- P7 A( A* u1 c7 w" \
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$ T* ?3 s" V3 ^% }/ ~ - HAL_Init();
( @' X: e9 J% N( A- @ - SystemClock_Config();
; L/ n1 O1 b7 J7 [ - Lcd_Init();
8 A+ S; _% n+ k. m/ C7 ~4 u ] - LCD_Clear(0x043C);
& a8 d3 A7 j& W' v( K# y - LCD_ShowPicture1(0,0,55,67);& ?8 S2 E* ^, P5 D& y9 L# y1 A
- HAL_Delay(1000);" S* S! S5 ]) o/ H) d& y
- LCD_ShowPicture2(0,0,159,79);
' G S0 z' ~1 C' }' @: {: G& o4 t - while(1);
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复制代码 9 `3 k0 g6 `7 Q4 K& y+ Y) E
显示计算机图标
" z8 M, i$ j* l. } 显示彩色图片
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+ O8 s& B" O! a工程代码:3 f4 ~" H( C2 |" F* Z
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