最近在研究四针的OLED 先上个效果图3 \2 u! g4 _% R0 c
总工程文件评论区留下邮箱我会发送/ x% R: J% r+ ]$ [) T* b
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硬件部分1 B# _0 E4 R, ]4 L
有开发板的直接用开发板就好 没有的去某宝买一块STM32F103C8T6(10元左右)6 C0 M/ t8 n, ?
类似这种' y y* |6 a' ^$ d, X4 C7 u8 d
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9 e2 @$ R( L3 s$ h$ i6 T' _9 L& _接线部分 ^$ D, S9 ]; H8 D! T1 J
OLED一共有四个接口 本别是SCL(时钟),SDA(数据),GND(电源负),VCC3.3(注意是接3.3V, 5V会烧坏)5 M, ^* \, S! `' W m
电源正负随便接是3.3V就OK SCL,SDA接单片机IO口 具体配置看原理图 我这个芯片的对应的是PB6,7用排线连接就好6 h0 q3 V c+ V- n( U3 @( e
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, ^6 W$ Q: z2 b2 O7 w: `硬件部分结束。+ ` c) I w2 U, t, s, M6 f+ T" N
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! _# @ D) S0 l/ v' o' C: _4 @8 g- i软件部分
8 Y- V8 O& |6 W9 B+ t/ I) Q( }0 ^源码是借鉴的 亲测能用 不得不说 站在巨人的肩膀上真的很舒服 现在分享主和OLED C文件 总工程文件评论区留下邮箱我会发送0 p0 t$ c- [. V
- //主c文件# x: n( L+ ~; W% Q$ g
- #include "delay.h"
) G) x3 F- S4 ]2 s - #include "sys.h"* f1 F! u7 q9 r* N
- #include "oled.h"$ `' x7 X! C2 L' P. z
- #include "bmp.h"
1 d# P! Z% e3 @8 D6 s! ~ - int main(void)
- ~, G& D, w8 v: G/ Y - { u8 t;% n6 J0 Q5 o% i9 \ V
- delay_init(); //延时函数初始化 3 u) M: G6 |: o6 t4 D
- NVIC_Configuration(); //设置NVIC中断
: U, Q1 G0 Q' w: @0 u* g - // delay_ms(8000);
8 ~9 d& s! u+ M. A: D3 j - OLED_Init(); ~& J2 x4 `) V- g+ t! \. k
- OLED_Clear() ;
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- t=' ';
( a8 ?) s% s3 V$ n% h - //显示汉字
% D: i L' e: N0 d* {7 _. V: S0 q9 q - OLED_ShowCHinese(18,0,0);//
5 |3 y9 C% U: Y' U - OLED_ShowCHinese(36,0,1);//& S7 G1 I$ q C7 V
- OLED_ShowCHinese(72,0,2);//
) D7 H. }0 Q) h8 U+ o - OLED_ShowCHinese(90,0,3);//' v/ Y4 t* \" g, A& `+ h l
7 e+ }! f; R, H" z/ p- while(1) % O {2 `' o# b) p) z
- {
! L3 r3 w6 g, L* K7 ^2 ^ - OLED_Clear();
* c- |* ^" n/ E8 c - OLED_ShowCHinese(18,0,0);
$ z4 f7 a" a# d/ {- i - OLED_ShowCHinese(36,0,1);8 `6 N# d; o( h6 q
- OLED_ShowCHinese(72,0,2);
7 |- D! C3 P$ R, L, |6 w7 o - OLED_ShowCHinese(90,0,3);8 m* h$ ]' m6 ~, l
- OLED_ShowString(6,3,"0.96' OLED TEST",16);+ U3 o2 u$ D! n/ y8 [$ n2 Y: }
; a! E4 N2 I: c" f+ D- OLED_ShowString(0,6,"ASCII:",16); ; ~7 \: Z/ G+ w
- OLED_ShowString(63,6,"CODE:",16);
! A) s0 ?6 M: d' ~7 k& L/ n- j' m) E - OLED_ShowChar(48,6,t,16);//显示字符 0 d/ E2 I2 k! J$ }8 u/ m
- t++;
. W3 k. \, C) S: J4 ?" X - if(t>'~')t=' ';
9 k5 ]( n4 Z' U8 }$ B' C - OLED_ShowNum(103,6,t,3,16);
! t" p, Q& n$ n: w6 \ - delay_ms(8000);2 |; q& D, Q6 P- ], c+ o
- delay_ms(8000);+ O+ Z5 h6 k& @2 N- P
- delay_ms(8000);
" T3 N/ V: M7 Y7 H) B& Q: J1 g - delay_ms(8000); F* H- Z1 N2 _- s/ F
- delay_ms(8000);% N' I9 s# D; [
- OLED_DrawBMP(0,0,128,8,BMP1); //显示图片
) G+ s" g$ E) c1 ] - delay_ms(8000);
) l& H4 R1 `4 t5 d, P2 a - delay_ms(8000);# j4 X* ~6 c3 ?# K2 i
- delay_ms(8000);1 H$ q" b( q/ V
- delay_ms(8000);
; G! _* L6 d2 Q5 d - OLED_DrawBMP(0,0,128,8,BMP1);5 O- p! H- f) N9 M* B- e
- delay_ms(8000);
$ a% a: r E; {3 P1 Z" t - delay_ms(8000);
$ D! b2 j7 w9 g- [ - delay_ms(8000);- L- `( Z1 L1 G1 W v0 S' j. i
- delay_ms(8000);
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-
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- //oled c文件 z2 B) V' `& M* e& I/ y. s
- void IIC_Start(). U$ O) t( n/ K# X4 Q
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- OLED_SCLK_Set() ;
6 h! ?- _4 ^3 Z - OLED_SDIN_Set();- @/ x8 z/ @ J3 D" I3 i; H
- OLED_SDIN_Clr();
$ ^9 X" i0 s0 Y. p5 E - OLED_SCLK_Clr();
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- & L' L7 f) l1 t1 F4 n3 P* }
- /**********************************************
/ F3 A) {6 `; M+ V( U - //IIC Stop% w% U+ i" I' p- z4 B% P% u& N
- **********************************************/
/ X2 }+ i; _, h8 f( e2 e - void IIC_Stop()! k- Q$ i6 F7 c+ y5 v0 ^# N; P' l
- {
& J- V; U" b% @, {% b - OLED_SCLK_Set() ;
7 g( i! Z9 F- \8 n - // OLED_SCLK_Clr();
) _9 c5 F/ L+ R2 s6 ?9 Y - OLED_SDIN_Clr();" \$ h" X, L/ q/ i
- OLED_SDIN_Set();
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- void IIC_Wait_Ack()
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9 t- b# E1 \- l+ P8 X- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为上拉输入
& e& p( O; K7 d+ ]) d - //GPIOB->CRH |= 0x00080000;
. n6 Y9 ]0 _& U3 x- k. `0 q - // OLED_SDA = 1;" M: U. {7 W( w8 c i) W- N
- // delay_us(1);
4 L4 N3 X: g; x5 B - //OLED_SCL = 1;
* M; s% V7 p0 o, a - //delay_us(50000);0 |, J' W6 l* K) U' |
- /* while(1)
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- if(!OLED_SDA) //判断是否接收到应答. d6 L9 [: @/ \) \2 \" N3 m; `+ ^
- {
: y' z4 @+ t8 i4 z - //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为推挽输出$ I8 f& h% x6 w# ]' ^
- //GPIOB->CRH |= 0x00030000;
3 b. t; N) \, q H' _- K4 L - return;6 o5 A9 I' H. d& o$ A1 j
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- */
/ _$ S# _ A6 _) j% g5 |/ C - OLED_SCLK_Set() ;, Z6 w7 ], ^) r ?8 M1 H
- OLED_SCLK_Clr();6 e" L- c4 v) Q! o; ]
- }% c. C2 D0 b4 E4 t
- /**********************************************- T2 D/ [; z+ T. y+ P+ D' r
- // IIC Write byte8 B: E# x* s% r2 S# j
- **********************************************/ ]# R- O" Q5 t7 r H
- 9 _0 p# E5 o6 o H s+ _7 s* d
- void Write_IIC_Byte(unsigned char IIC_Byte)
\! m( m7 K# a2 F) t4 l - {
* @- j3 D; v+ \! S - unsigned char i;
/ ~% U; q% s5 O. _1 j" [' o - unsigned char m,da;8 G" ~# h8 d5 ?
- da=IIC_Byte;
' L; [7 Q5 J9 {: g+ _, r - OLED_SCLK_Clr();1 b! \; j8 o/ D4 J7 s
- for(i=0;i<8;i++) , `4 a r/ i5 s/ Z
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- m=da;& K1 j0 t6 N( u# Q
- // OLED_SCLK_Clr();3 X" O+ g. c( K) b2 ?
- m=m&0x80;
/ L3 w9 ^- c$ k( ~6 L - if(m==0x80)& G% B3 O4 V. j) f- K
- {OLED_SDIN_Set();}
9 m3 }9 @/ V, c, e - else OLED_SDIN_Clr();- `4 ?: b+ e: N6 j
- da=da<<1;1 [! t5 j5 @% \- h9 ~/ x; q
- OLED_SCLK_Set();
E, `1 ?# k& k" R; h - OLED_SCLK_Clr();& e( B% Z% U, b
- }
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- N) D* R: f- [( S- void Write_IIC_Command(unsigned char IIC_Command)! Y/ F7 Y9 ]! x
- {: g( G# y# Q$ S& N8 R: l
- IIC_Start();* ?0 c% A( W0 o& Y" u, [3 }$ E
- Write_IIC_Byte(0x78); //Slave address,SA0=01 O6 ~7 ~& {5 a9 L# d
- IIC_Wait_Ack(); 2 i/ J3 V: }+ P2 I S; R
- Write_IIC_Byte(0x00); //write command. I+ ?% i0 I; x7 p
- IIC_Wait_Ack();
9 W8 O2 O( x$ u! W x - Write_IIC_Byte(IIC_Command); * u! X1 b& k R8 o1 V: a& ?
- IIC_Wait_Ack();
5 [6 o. N* P4 H) m' e+ g - IIC_Stop();6 L9 u+ r7 t5 P2 H5 w# H0 T4 p" ?
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- /**********************************************% g7 r9 u {; e: W. a
- // IIC Write Data
$ o5 x$ i' |; T4 L, w# a7 ? - **********************************************/- K& |; T- j& |, i
- void Write_IIC_Data(unsigned char IIC_Data)
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- IIC_Start();
9 A3 {4 V4 b' P$ z# t - Write_IIC_Byte(0x78); //D/C#=0; R/W#=0
: @3 L1 J' U5 h# o& Y O* S - IIC_Wait_Ack();
2 L( t/ I7 n. X7 h, } - Write_IIC_Byte(0x40); //write data2 }9 s9 {. `+ R6 j% `
- IIC_Wait_Ack();
- w% c0 D+ ^$ W! n - Write_IIC_Byte(IIC_Data);
( V' ~) r1 X( Z! j$ ~) ?9 h - IIC_Wait_Ack(); 8 [5 B* j# H4 w1 M
- IIC_Stop();7 F) ` R8 a7 V J
- }
4 t0 ]& @" n" f# K! D - void OLED_WR_Byte(unsigned dat,unsigned cmd)7 n- Z4 ]9 N- i3 H, g5 e q
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- if(cmd)& ~1 x/ v7 @5 Q0 o# c, ^( l
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1 u: R, c& J# \$ h# }0 L2 W+ Q- Write_IIC_Data(dat);$ o$ b. O% A! }: V+ X' j, p d
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- else {/ Q! `! K8 Y+ j4 c6 M: g
- Write_IIC_Command(dat);
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) G% {- Q1 |) Q: _9 s1 L- /********************************************
3 B4 d" V4 S3 C1 V; c - // fill_Picture
9 c- @8 \& }6 i - ********************************************/& A! [2 H! K7 n( F! l3 K" O/ t
- void fill_picture(unsigned char fill_Data)
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% ?+ q: H' X9 c& |+ [, h( I - unsigned char m,n;
1 y3 _0 s3 a( e' f& i - for(m=0;m<8;m++)! T* t8 u0 p6 S0 @* J& G' @) e3 ~
- {
! M; d8 K h" S - OLED_WR_Byte(0xb0+m,0); //page0-page1
; Z+ l, M+ ~; u' A+ h4 ]3 o6 ?/ L' Z - OLED_WR_Byte(0x00,0); //low column start address4 N" b4 e* Y% ] }
- OLED_WR_Byte(0x10,0); //high column start address9 }) ~) J) q+ a/ ?: n$ s* e4 K
- for(n=0;n<128;n++)
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- OLED_WR_Byte(fill_Data,1);
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- }
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4 U/ u7 k+ @1 o4 O- o- /***********************Delay****************************************/
k9 [ B" y3 X) p5 | - void Delay_50ms(unsigned int Del_50ms)" _* P( B& I% ?' B
- {
# j, V) P9 U6 C& {7 D - unsigned int m;
3 r( e; `. N1 [* ]; f - for(;Del_50ms>0;Del_50ms--)
$ [2 I6 S- g0 Q7 I+ D( d - for(m=6245;m>0;m--);0 N ~1 g* z. u7 z
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1 X* P& i6 d6 R" H* j* n- void Delay_1ms(unsigned int Del_1ms)3 L& J6 q0 H& W5 Q: d* p7 f3 e0 V
- {# ?3 ~7 c p) V; S; w
- unsigned char j;( e. f) J m) s$ I4 ^
- while(Del_1ms--)+ W/ S# z- L0 O" a( }- u
- {
$ ]. m1 Z) X& _) z" q1 a# M - for(j=0;j<123;j++);4 ?7 d$ y S! e8 z0 O
- }
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- W4 x& B7 F1 J1 A- //坐标显示( G! n0 ?- p) T3 ~
/ C5 ]3 _& ?* h1 a- void OLED_Set_Pos(unsigned char x, unsigned char y)
1 v$ W# {0 N# U" |2 N - { OLED_WR_Byte(0xb0+y,OLED_CMD);9 {( {1 H$ ~. {5 j( y9 @$ G
- OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);
/ O/ j" f, v) Z9 Z2 x; O8 i - OLED_WR_Byte((x&0x0f),OLED_CMD); ' C1 S) B3 B3 y G |
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- //开启OLED显示
# p& ?- W2 Y1 ]7 j8 Q" B7 t - void OLED_Display_On(void)
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- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî [8 B+ ^! U8 [, K: ]8 [
- OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON
6 \0 _# v3 r6 v9 P3 [ - OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON& I& c. s+ c: M6 t
- }9 t) A2 s* B: `( D) l1 o5 [4 [2 J
- //关闭OLED显示 : ?3 L t$ f! Z% o
- void OLED_Display_Off(void)9 d* f# {( M( E! l) A0 ?/ R6 U
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- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî" p' L2 E: F2 r) a
- OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF2 E: ?3 n5 c- S2 A+ `
- OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF2 C5 z( ^1 i9 k0 S3 H8 F
- }
. d0 M9 `- K$ o. b$ F6 P& z - //清屏函数 2 ~; p% Q4 _6 E/ L5 g5 c
- void OLED_Clear(void)
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$ B+ R1 n7 J/ r - for(i=0;i<8;i++)
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( A" u; K" Q: ]" b; H - OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©
/ u5 F/ J8 | m5 b8 R2 S - OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·! v4 x6 V3 L( h Z9 y, Q
- OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ· , N" G$ ]' u8 i. k m
- for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); 0 H" g$ d, x1 Y/ `/ X6 z7 i) t f8 B, m
- } //更新显示 \' K4 n3 O3 e& B8 z+ w
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- void OLED_On(void)
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- u8 i,n;
' @' S9 M. T& e - for(i=0;i<8;i++) * ?4 @7 T) Q3 M4 }0 f
- {
* H3 Z6 u7 \& I2 X$ {) O6 r - OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©6 t# K; K' V2 B2 a
- OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·6 i; N' V- L% v$ T2 R9 Y: `+ O8 R
- OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ· ) u: Y; E8 K/ i# F. Q5 h: X
- for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA); + @' l$ N6 i O% K& A$ E1 V
- } //更新显示
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% k: g) E7 h) r3 F - //在指定位置显示一个字符
6 W7 u+ v( z1 z3 m - //x:0~127
& f. F' d2 e4 A5 A - //y:0~63
+ G. X6 H4 [& m' \$ y! H2 \$ S9 T - //mode: 0反白显示 1正常显示 # L1 E; r3 |1 {8 J" B1 ]4 S+ ~
- //size:选择字体16/12 . I9 `0 j* `& A6 w5 l8 [4 j5 n
- void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size). m8 o8 O/ ~. o' {% ?, J
- {
9 k8 u7 Q/ J. E) h8 m - unsigned char c=0,i=0; % a2 A" W( W9 Y" |0 j% P
- c=chr-' ';//得到偏移后的值
( w! S! b) C" T; Z& _ - if(x>Max_Column-1){x=0;y=y+2;}. A) |+ j. k. j! _
- if(Char_Size ==16)
, @. K! k6 D0 k r - {" ^2 u! @9 k, v; t
- OLED_Set_Pos(x,y);
/ ?% U i0 v+ s - for(i=0;i<8;i++)
; J6 m3 @; t W" d - OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
! C7 Q& g f$ n) _2 P, V! _ - OLED_Set_Pos(x,y+1);
& Z! \2 f1 b- c9 i6 Q: P* i - for(i=0;i<8;i++)' q) }' V! P" t
- OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);# _) a3 a: Q1 Q* ]' ~/ A2 B
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- else {
9 O9 X: E' `) s; n2 S, | - OLED_Set_Pos(x,y);+ j( ~5 y* }* L/ ]+ R
- for(i=0;i<6;i++)
3 J! G1 x+ |( D! E2 { - OLED_WR_Byte(F6x8[c][i],OLED_DATA);
/ F7 r$ b. g7 s9 D! T -
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E& u# \7 z; ?. N, i - }
" Q: {, f2 V! y1 U - //m^n函数& J9 \6 W6 Q- r% D
- u32 oled_pow(u8 m,u8 n)
0 o' l: s& D, \; h - {
: |9 z9 ~+ t* m - u32 result=1; 5 P" A# q% N+ j5 b+ @
- while(n--)result*=m; ' k9 B$ q7 E& r" y
- return result;
/ T! f, h0 p9 v - }
8 {8 D9 d7 C6 f9 W0 ], ?6 I - //显示两个数字7 [2 l% ], s7 q
- //x,y :起点坐标 . ]5 C8 O- h9 O9 I1 M( G
- //len :数字的位数
3 Z2 L( G ~( T% r# u - //size:字体的大小
! Y9 |" O4 ?1 |" L" }7 Y O - //mode:0填充模式 1叠加模式
6 }" z/ `4 C3 k) k - //num:数值(0~4294967295); # ]* n% N7 n# m @% s
- void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)7 a* H( ?" i% w# H J- q" ]
- {
, k# r$ ^: L' i. {1 m$ W - u8 t,temp;# h# F, ?! B5 n3 }5 F. P$ Z
- u8 enshow=0;
6 |* Q. `: G; v# q - for(t=0;t<len;t++)
7 h8 v) U3 |* T4 t; ]0 O - {
: I* C M0 {1 @: }3 V- s - temp=(num/oled_pow(10,len-t-1))%10;
5 P/ }( ?; i* z( d* g - if(enshow==0&&t<(len-1))2 ~8 Q& U; d) q' o5 x
- {& W! k, z' C! U1 j# E" D+ g
- if(temp==0)
Z$ P9 [+ e) G0 H2 p6 M4 ^: C - {
$ l. @( L# P2 p! l - OLED_ShowChar(x+(size2/2)*t,y,' ',size2);1 C0 F. D8 s! b4 y' ?+ }
- continue;
: z1 q' G# j S - }else enshow=1; - R, M" d5 q2 N( y+ K2 X# N
-
" f J& e% g# n( \5 s* F! S N - }) E/ u% D4 C) ]% [" |+ R: ?
- OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
) L- O: ~( _9 ?% F4 P. X* { - } t4 E9 l' q' I: |4 X: q
- }
5 o! { P$ W- W* r7 W' `; N" [ - //显示一个字符4 |( i3 B. R7 Q
- void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)& @8 J6 ?3 \- R+ I, ^+ ~/ Y
- {
! U6 R/ ^3 d$ x5 E - unsigned char j=0;; V7 j' o6 A8 V. g# x
- while (chr[j]!='\0')! _. B( x, S8 @1 c) c, O' s
- { OLED_ShowChar(x,y,chr[j],Char_Size);
- C. [, ?% Q) m; B( Q9 U - x+=8;1 [3 O; r( y/ C) M( `
- if(x>120){x=0;y+=2;}0 i! I0 y9 J/ A4 m4 S
- j++;* M$ u" p4 f3 K
- }' z& \: @8 z" Z+ T1 F1 K' c8 D
- }
: G5 A6 ~+ E" P* n; S& B& w/ b - //显示汉字$ C, a8 j# L& T. [3 Q
- void OLED_ShowCHinese(u8 x,u8 y,u8 no)- q$ n+ T1 X" G5 e! }; O
- { - Z& T5 }* _, Z% W1 ?
- u8 t,adder=0;
: X: G% v% f' K2 U# ~5 Y - OLED_Set_Pos(x,y); 5 A0 A6 @) O3 \: A# E: Z2 B, U
- for(t=0;t<16;t++)+ u" S- z6 F; _7 ?
- {6 j6 b% o: J3 K+ w
- OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);4 C+ ~2 f$ A* C( [
- adder+=1;
* T m0 ?0 ~3 x" H9 `8 o - } 7 y9 z$ M7 s/ P
- OLED_Set_Pos(x,y+1); , v8 d) W$ V% P+ e
- for(t=0;t<16;t++)
# G! O. z; [, I4 G9 s, s; b( Z' x - {
, q' v# C* V) d# \4 O. ]7 g - OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);# m- n4 c4 I/ f8 v4 e
- adder+=1;
5 W( ]% ? s2 y- Y7 H - }
# r w y+ z6 ^ - }6 j) b4 }' T2 {# U9 W
- /***********显示BMP图片*****************/) u; X+ `) s$ `7 f% ~
- void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])
8 \! M; Z: ]- b/ R) _3 V - {
+ w5 l$ F" O: {8 m x( \& B7 H6 V - unsigned int j=0;5 q1 B1 ?0 S, U# ~
- unsigned char x,y;
. Z* Z6 V' R% C - 9 q6 e( N' v: J+ y& y& r- `& [0 x
- if(y1%8==0) y=y1/8;
: h" x$ W+ |( N; \6 X8 ^ - else y=y1/8+1;
3 E3 P& a5 r; I9 s* n+ e - for(y=y0;y<y1;y++)0 |" n6 g3 G2 j" C0 Z" b$ X' ^, S
- {
# C6 j$ n, s1 A) e, ?2 |/ y - OLED_Set_Pos(x0,y);
) P8 b- x- p/ ^% c - for(x=x0;x<x1;x++)% d* B3 R$ L( w1 d; s
- { ' M9 A9 r* W1 G, ?9 q" h/ G
- OLED_WR_Byte(BMP[j++],OLED_DATA); ; {# @7 f, Q& o4 G& A0 w" s. d7 o9 C
- }
( V5 a' N+ f3 q+ E - }
1 G% K+ d# {! W# I0 U# {, J. F5 F/ h - } - V1 g. F f; d& P9 ?
3 \; B( I; U1 N, p- //初始化SSD1306 ! s/ }. i* v2 t" s( ~* D3 d
- void OLED_Init(void)
1 _6 z+ d k7 A - {
) Z/ a/ @1 C/ a -
5 @% ~5 {; `- H9 B; z4 M y - + J4 k* V0 L6 `# L! N |& Q' v0 m
- GPIO_InitTypeDef GPIO_InitStructure; C% ?! \# l$ x- i, }3 L
- ! j2 F- d8 F0 G! b& M
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG, ENABLE); //ʹÄÜPC,D,G¶Ë¿ÚʱÖÓ. M2 B7 F9 a4 Q" X" ? m# ?
2 K2 M% e( j+ l- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3|GPIO_Pin_8; //PD3,PD6ÍÆÍìÊä³ö
( @2 W6 D2 t# c- U/ ~; s - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
: K# ?: [, U9 |- L y - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //速度50HZ
! [ B, w& E z; @7 v - GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD3,6
* n7 w1 M8 @7 `2 T1 y6 u/ q - GPIO_SetBits(GPIOD,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3|GPIO_Pin_8); //PD3,PD6 Êä³ö¸ß+ Y3 q1 \5 Z/ g
6 r8 p4 e* t" j" ^- #if OLED_MODE==1
1 r: b1 J) y4 I" P8 L' H8 { -
, G0 \# ~# a. z, f - GPIO_InitStructure.GPIO_Pin =0xFF; //PC0~7 推挽输出, X. F! R& I& z) A4 @' @* T
- GPIO_Init(GPIOC, &GPIO_InitStructure);$ V' l/ L' S0 G0 P
- GPIO_SetBits(GPIOC,0xFF); //PC0~7输出高4 \ A: d, b! F, M/ B% |9 D6 ~
- P5 z( f& H3 }0 Y
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; //PG13,14,15 OUT推挽输出: F+ h* N5 Q# }$ s8 _
- GPIO_Init(GPIOG, &GPIO_InitStructure);
3 @6 K. h3 d% c4 X6 H - GPIO_SetBits(GPIOG,GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15); //PG13,14,15 OUT 输出高 R# s( }: e1 Z$ k6 |4 O% `8 \
" z4 U: C" p4 W% P) |- #else/ d4 H- q& j/ J/ e3 @4 X
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1; //PC0,1 OUT推挽输出
1 z8 F1 j* c3 K3 {: E! h - GPIO_Init(GPIOC, &GPIO_InitStructure);
/ H- K1 F/ E- \% L# \. r4 w: ` ` - GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1); //PC0,1 OUT 输出高
5 m" j0 j5 ?" a - ( [+ z3 u* L/ z1 U: f2 k
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //PG15 OUT 推挽输出 RST
9 Z$ A$ @2 [+ s, Q# J - GPIO_Init(GPIOG, &GPIO_InitStructure);
% C# C: v. ~3 _. ~# l7 y+ {: { - GPIO_SetBits(GPIOG,GPIO_Pin_15); //PG15 OUT 输出高
( P. z* o4 W# @7 E3 S* k; Y1 W - . O# \: y; K8 _
- 5 q9 w8 k1 O, ]/ o _
- #endif5 c' a. y4 J4 W
- delay_ms(200);- }9 t( p ?/ t# G9 I8 l
- + f6 Y, w# H. N9 g0 J; }5 g" ~
- OLED_WR_Byte(0xAE,OLED_CMD);//--display off* s2 k. v3 ~- Q: v. |0 K1 M
- OLED_WR_Byte(0x00,OLED_CMD);//---set low column address" E- {( c. j! q) \9 y
- OLED_WR_Byte(0x10,OLED_CMD);//---set high column address( B4 ?5 c! y( H7 }
- OLED_WR_Byte(0x40,OLED_CMD);//--set start line address 6 n9 \' W# j& q4 p4 T7 g( d
- OLED_WR_Byte(0xB0,OLED_CMD);//--set page address
* p1 `' Y; W4 v( [- k - OLED_WR_Byte(0x81,OLED_CMD); // contract control! X- i6 i: `! w [
- OLED_WR_Byte(0xFF,OLED_CMD);//--128
8 A" N. ^" x3 ~2 F - OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap
7 h6 g1 s5 O1 ]3 |- w - OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse
n, k. _; j- C5 e - OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)5 W: i& G. Y* o* K! w$ u/ [
- OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty7 ]% K% i* Z6 D0 e/ ?' X1 z8 q
- OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction
M ~: H4 w, z! V - OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset
+ S9 w# H1 d+ J; U( m& o( S7 M ], O6 x - OLED_WR_Byte(0x00,OLED_CMD);//# N$ h8 d% ]% e/ ~5 A
-
. a! @1 L9 q5 S2 O2 K w - OLED_WR_Byte(0xD5,OLED_CMD);//set osc division
# a8 ?# x4 }9 g2 g* a0 Z - OLED_WR_Byte(0x80,OLED_CMD);//
: v4 H6 }2 A6 F6 V% I Z - 7 N2 u+ Z7 k( U- t( i
- OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off
8 d6 v t# Y, k0 l( a3 ~ - OLED_WR_Byte(0x05,OLED_CMD);//* Q: g& [- @! ?0 {2 w4 }# M
-
8 I8 k3 C7 v w; d) q - OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period+ B0 L2 Y! _$ h) J5 W
- OLED_WR_Byte(0xF1,OLED_CMD);//
& F1 T. [& s4 A' k/ W - & k7 {& G8 ?- t: D* ^* Z$ |+ G1 b
- OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion
. z+ Y1 \& }0 s; h, z. W - OLED_WR_Byte(0x12,OLED_CMD);//. i; B! Z& M( A# Z
- 8 N; n& r3 a2 K0 v. N: f# D
- OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh
$ ]: f: l+ a- g8 r - OLED_WR_Byte(0x30,OLED_CMD);//
7 P w* p; u7 ~, D- g r5 R4 b - * z4 L d8 [2 o$ Y8 l& }2 L
- OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable
4 y, o6 C' N1 Q- I - OLED_WR_Byte(0x14,OLED_CMD);//
5 [( x1 c3 S* O) [ -
7 l$ D, A% E3 _) Z, z - OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel9 z3 D* e! P0 Y1 K( f4 _
- }
+ \4 K" G6 y* U9 T% J& Q8 _* r# i - * y w! c( A% ^$ T4 n; z2 K6 y
3 c5 D+ J* m( }( }9 l% y
复制代码 # h+ q/ T; _6 S
代码部分结束 总工程文件评论区留下邮箱我会发送( }( \5 |/ V" A( l0 z' k. v
2020.12.3. x$ X0 Y+ B/ k2 B2 m
又针对代码做出了一些改良 实现了通过按键实现翻页 按键部分是搬运的正点原子的代码 现贴出主函数- m5 o6 O, X4 V$ z$ ?8 T
- #include "delay.h"
' U0 d- e6 I$ Y% V( ?& X - #include "sys.h"
. ]- r4 ~) }" w/ T* t& H; p1 e* M - #include "oled.h"$ q$ z3 V; w# B
- #include "key.h"
) u* p1 I# i$ X/ M( i0 v0 @0 | - int main(void)
! e% C8 X* A& j0 }. ]" \7 h/ n! F - { - g5 ?) K, \8 G' m0 b
- u8 key=0;8 B6 C U, L8 v6 ~" I4 K& [ g& ~
- delay_init(); //延时函数初始化
4 x) O% f4 V& ]3 l- d- q$ ^+ g+ s* ~ - NVIC_Configuration(); //设置nvic中断
& i, }& r* D" k+ d- o - OLED_Init(); //oled初始化& @) c/ v& u7 d; p0 f" t4 l
- OLED_Clear(); //清屏 0 N+ V. f |/ C+ d
- KEY_Init(); //按键初始化 ' c% B5 U% j$ |3 V6 h
- ' R( T- K# x2 G. w _
- + x a0 `% X4 I
- OLED_ShowCHinese(18,0,0);//
( j6 s7 |8 P, X8 i - OLED_ShowCHinese(36,0,1);//
& V) _" R; F7 s( A' ^' h - OLED_ShowCHinese(72,0,0);// S: T! s- g4 ~( ]: q% W% l% k. F# c
- OLED_ShowCHinese(90,0,1);//) @7 U* ]: V5 h- g
-
% c" @ X3 z$ [ - while(1)0 n+ |4 g! d2 D1 X
- {
: ], |! X% m8 R( r3 | M" E/ @ - key=KEY_Scan(0); //µÃµ½¼üÖµ0 P: U: i9 W* y; d. N* [
- // if(key)# _2 V1 R0 w4 d, R) F! w
- // {
/ ]+ u H1 W2 X2 | - switch(key)5 C0 [$ P" e3 k* i0 V" P, V3 q
- { 3 | \& \& M* y
- case WKUP_PRES: * }9 O) |9 X: y' T. b
- OLED_Init();
. f6 V7 L( A/ J, P, P7 |0 T. d - OLED_Clear();
2 T0 Y A/ A. ?# Z! ^ - OLED_ShowCHinese(18,0,2);4 e$ M! ~9 E g1 N$ t
- OLED_ShowCHinese(36,0,3);
9 R: M' L Y# o% t1 r" | - OLED_ShowCHinese(72,0,4);
- q3 \+ a4 p1 C$ }0 `+ V - OLED_ShowCHinese(90,0,5);
# ~1 J( G7 X9 i n) ^! i+ D - break; # D& r2 U' d$ Q/ Z @+ f
- case KEY1_PRES:
6 g% S n. H4 [! d. A - OLED_Init(); k$ o1 z6 {2 `- d8 n" t5 U
- OLED_Clear();
( n( k1 t1 V3 h5 p4 u - OLED_ShowCHinese(18,0,7);+ ]. y7 @# M; K/ r2 P
- OLED_ShowCHinese(36,0,8);
" A1 |6 F5 `3 H9 S8 i - OLED_ShowCHinese(72,0,9);, L6 ?! S0 I6 v! L+ n5 I4 u
- OLED_ShowCHinese(90,0,10);, X9 P: B' m. e* H' @& h( W4 Z" V. j
- break;6 K* R3 @. e/ ? b& r
- case KEY0_PRES: 0 h4 q7 S, L* | T( x9 z7 i# l
- break;) L: k) \+ G* C
- }8 f1 R! H- _- q# Y# ^( x
- // }else delay_ms(10); 8 W% L: Z. b1 `6 h: t
- }
; y! T9 K- @; l - }) [7 B: Y }/ \7 H! ]+ K* G
- 5 j0 h* v' A$ D ^
复制代码 - H2 [5 R6 a+ _& ~# V. l8 ]
效果如图7 Z+ ~% }4 q) ^6 I. i
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. ~3 z, I8 z; D& x2 _, M4 ~0 W3 a' P' e+ V) s( v- U5 {
* O" @6 ^. C7 n* M- y8 h% M% {5 \/ P* h' X" B
" |/ b D, d. x4 S) M完结
6 e+ a5 }" n, R" W# A————————————————/ G1 w% h+ {+ u% d8 F h9 k
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! J- Q% H, x+ d# y% l1 q8 ^/ j: ?如有侵权请联系删除
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