最近在研究四针的OLED 先上个效果图
1 K T j3 p/ C* y8 g6 D总工程文件评论区留下邮箱我会发送. b' t, C- q: {" E; b4 {* N
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硬件部分
& K! T* j5 _. G" B% B' H. A! \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)
' Y2 H. u3 K! N* _类似这种
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) \/ U' A9 M+ h接线部分2 j" D! {" l8 F P4 [ z
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)
2 n" q- R1 ^) l3 D/ G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
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硬件部分结束。( v7 r' h% q( `8 u0 p: t
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% a2 Z+ i: G: V+ L% P$ b软件部分
) C4 w9 T2 S6 v w- Q/ ?* ^( c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 F. R z0 c' ?+ z
- //主c文件2 C; p) u9 X* Z% l- O# ?0 y2 `
- #include "delay.h"8 O5 Q9 M5 E1 e
- #include "sys.h"
% k3 x" j- x6 A1 s9 R% K - #include "oled.h"
( n) Z; t( }6 a! {# M - #include "bmp.h"
! @$ W, Z: G9 P0 n4 B0 e- D - int main(void)
# G3 i# ~. u/ Y( ] ? - { u8 t;
; y" w" {3 W/ B0 r6 k; U - delay_init(); //延时函数初始化 - d7 o8 x3 T0 N7 w; Q6 a! {
- NVIC_Configuration(); //设置NVIC中断 % F' F+ v) e* y/ _2 k7 \. B+ i. v9 {$ A
- // delay_ms(8000);
- J5 S* K0 w0 F% h; M6 w - OLED_Init(); 0 i0 Y( j( o& i6 j6 O
- OLED_Clear() ; 2 u& T; o. p: Q+ u' ^+ G7 G' C+ F
-
% `1 {$ \) A6 r' C8 x7 G - t=' ';
6 C: G8 n% _1 ?' Z* H, \0 R% F - //显示汉字& q: T( a5 V" u C4 G
- OLED_ShowCHinese(18,0,0);//
8 Z" _& A( Y7 |# Y$ o1 P - OLED_ShowCHinese(36,0,1);//
# `* f; t' g J& S& G - OLED_ShowCHinese(72,0,2);//; ^8 k# [& o5 l$ o1 X
- OLED_ShowCHinese(90,0,3);//
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* Y3 j9 `. b* W( d+ d( s. B- while(1)
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3 s2 K2 _* k3 h3 y+ b: g3 a - OLED_Clear();
( A* l- v5 F2 x# l3 b- F1 e$ L - OLED_ShowCHinese(18,0,0);
/ S1 D* s7 F- ?' k4 } - OLED_ShowCHinese(36,0,1);5 c: V( L$ w2 b8 k/ b$ P, d% n
- OLED_ShowCHinese(72,0,2);! s8 ] M& Q f( I" b
- OLED_ShowCHinese(90,0,3);
# X8 a2 i- O& n! p c% ] - OLED_ShowString(6,3,"0.96' OLED TEST",16);1 Q4 C, ~$ r1 L5 \1 g' f: u" H
& t0 k' J W# u, k3 D: Y% Q" i& P- OLED_ShowString(0,6,"ASCII:",16); + c* \) d3 u# p+ n
- OLED_ShowString(63,6,"CODE:",16);
: }0 L- r* f2 I# W) b& G - OLED_ShowChar(48,6,t,16);//显示字符 L; p3 `6 Z, V5 @( @( H
- t++;
/ \" ]) \1 h8 v# A$ q' o - if(t>'~')t=' ';
1 Y5 I+ m- x: d# O } - OLED_ShowNum(103,6,t,3,16);
8 O7 C6 U1 F( M1 v. [4 M - delay_ms(8000);
4 U# a1 R3 @! G+ g. ~# o; \/ W - delay_ms(8000);& a8 Z: |. V* r- Z# i4 T
- delay_ms(8000);
' ~; _3 j6 `" m. z. ~& t' X7 y {# v/ D - delay_ms(8000);- z: Q% {, j8 T% x% F
- delay_ms(8000);1 t3 r, T9 P8 ]' w
- OLED_DrawBMP(0,0,128,8,BMP1); //显示图片
" ]& c6 X6 d" A$ c1 S7 { - delay_ms(8000);, u( p K9 I9 U1 m
- delay_ms(8000);! ?8 _5 t1 @' }8 `6 ^
- delay_ms(8000);; Y: ?& b5 t/ d/ ~( F: o/ q
- delay_ms(8000);' ~5 I- ~9 T+ e2 x3 {* p% c1 C
- OLED_DrawBMP(0,0,128,8,BMP1);' n; h) B: k2 g, l
- delay_ms(8000);
( f: n- X0 [5 ?. A! M$ r - delay_ms(8000);+ F N- }% u: c, O, G1 A
- delay_ms(8000);/ `2 P9 t0 a0 ?1 x1 P" t* G$ L
- delay_ms(8000);( [" C' `; n& n- C
- }
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- //oled c文件3 f) \) J! {: h0 x
- void IIC_Start()0 ^) j" r/ r: s4 Z: ]
- {, G: d, }8 S7 j$ @0 ~# n' @
- 4 x4 W; S: d7 i* J5 q) @
- OLED_SCLK_Set() ;
, d9 E$ P; U" ^3 @; k; b6 }7 Z2 I - OLED_SDIN_Set();' D: i; |) V5 c8 P1 z- u9 l
- OLED_SDIN_Clr();
; H! i( e0 U+ S" _ - OLED_SCLK_Clr();
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- /**********************************************& f+ U( D% P: F+ {/ F# P8 r1 R5 |1 A
- //IIC Stop) h7 \- t; {: m( I8 @! n S
- **********************************************/
( q' [+ d8 c6 d, i$ D# _* ] - void IIC_Stop()
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- OLED_SCLK_Set() ;5 e3 S1 R4 ~! k- R9 q, c
- // OLED_SCLK_Clr();4 O# ]* m2 Z) a' L% D7 G4 \
- OLED_SDIN_Clr();2 G" |$ l% u8 m/ S9 G
- OLED_SDIN_Set();! G+ L8 D* y! W$ z
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- * D# @$ j, Z( I0 Z
- void IIC_Wait_Ack()# {; X/ l6 U: z8 c' E5 g
- {
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- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为上拉输入$ q/ |9 f. }+ Y6 z+ {8 X
- //GPIOB->CRH |= 0x00080000;7 Y9 I* i- p2 P! t; x
- // OLED_SDA = 1;
# s- r0 E2 p. R. ~ - // delay_us(1);
, o) m7 P% q& ~' U$ r - //OLED_SCL = 1;" ?& X2 \# x7 y
- //delay_us(50000);
8 ?; `8 _& m) x1 k& G0 J - /* while(1)
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- if(!OLED_SDA) //判断是否接收到应答6 h& ?% r1 x5 @7 b' h8 F/ r6 U
- {" {! k4 F6 \* n# L* e6 L
- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为推挽输出
4 l. R! l0 B% u* _ - //GPIOB->CRH |= 0x00030000;
% Q$ R5 S& L t/ V- `" W6 k- T - return;
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- }
& L$ q9 p0 w0 x1 G& V6 Y! Z - */
+ T6 v6 O# R( X6 f( B - OLED_SCLK_Set() ; H% g. R5 ?& O: Q/ j
- OLED_SCLK_Clr();
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- /**********************************************, t! n% T) E6 s# L2 F8 F
- // IIC Write byte' D m! H k2 N/ m c
- **********************************************/
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, P0 E% _7 R3 k# B; W- void Write_IIC_Byte(unsigned char IIC_Byte)
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- unsigned char i;8 l8 p' q, w7 M, S8 L! y: e' M
- unsigned char m,da;1 g. }7 [$ d4 A1 l( z4 t. A! R
- da=IIC_Byte; c, d! S/ g" P, b4 `. B0 E
- OLED_SCLK_Clr();
% N& g5 q/ h: X; t5 U - for(i=0;i<8;i++)
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& J0 V5 e& i$ N( E3 o% c- q - m=da;# j5 x9 B$ ?$ g% x
- // OLED_SCLK_Clr();
9 {5 d8 l; G- F# A; f+ |, ~! ^ - m=m&0x80;
1 p6 U; k L8 i& N& M0 w o7 b! J) h - if(m==0x80)
* w* R6 p! Z7 L0 |! P2 Y# X - {OLED_SDIN_Set();}3 `- O# r$ t3 h+ d, ^4 Z. T
- else OLED_SDIN_Clr();
$ K3 @+ D, d( Y - da=da<<1;* N2 @, E8 l6 B& ~, @ K4 I3 D
- OLED_SCLK_Set();+ ]" @# d. a. [( I/ l4 |$ w
- OLED_SCLK_Clr();- X# Q1 M8 T! b* o* s! d0 g
- }
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x( {9 }7 T8 U0 E/ U- }+ s) `+ O9 c9 ~* S
( O9 f( V! z, ? e" @2 U$ d% q- void Write_IIC_Command(unsigned char IIC_Command)- Q3 L) x3 V; F6 {
- {9 R3 J# D( K( P; e7 }
- IIC_Start();
6 B$ O5 W v% W" D5 E7 O - Write_IIC_Byte(0x78); //Slave address,SA0=0/ X, x( j- N7 F% G$ o& u! J& z
- IIC_Wait_Ack();
2 V P; {6 v9 d W) \ - Write_IIC_Byte(0x00); //write command2 `0 e3 _; t& I
- IIC_Wait_Ack(); U! h+ b/ u9 _4 P, W
- Write_IIC_Byte(IIC_Command);
" C1 ~3 B0 Q. R2 ^ |8 W5 n - IIC_Wait_Ack();
' s3 z7 f2 w. J8 |+ { - IIC_Stop();
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- /**********************************************
2 \3 S6 ?9 W [$ f% O2 g - // IIC Write Data
2 S+ B. S5 G) x* ~8 }- X6 g3 q - **********************************************/
, N: U% f/ |6 _0 U8 L1 h - void Write_IIC_Data(unsigned char IIC_Data)# G6 Z* E# U( u0 b( L5 G# {0 l; w
- {& y3 M3 o/ H) T3 ]: F; ]6 _
- IIC_Start();3 W8 ^" `& l9 I8 s R1 F
- Write_IIC_Byte(0x78); //D/C#=0; R/W#=0- U z$ ^% @. ]
- IIC_Wait_Ack(); % r; B5 C! f, T
- Write_IIC_Byte(0x40); //write data
0 O% M- v6 b1 s: q; y* j - IIC_Wait_Ack();
3 i" ^0 c' Y8 f/ k - Write_IIC_Byte(IIC_Data);* q/ O5 F8 a! E
- IIC_Wait_Ack();
. {7 \( B( f7 f( o4 z( z - IIC_Stop();
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6 o, J9 ~( q$ }- D* W% v - void OLED_WR_Byte(unsigned dat,unsigned cmd)
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- if(cmd)
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4 `$ a% y2 r, p7 k3 V% }5 u( j- Write_IIC_Data(dat);3 P; r5 o5 v1 F8 d6 \5 _+ y
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- }
- N- T$ i" j, m( L+ m# ]% i4 j - else {& X x/ T! \. R1 e
- Write_IIC_Command(dat);
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- }
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8 q. J9 X5 J6 G; K& P- /********************************************1 x4 i& t0 {! x* P
- // fill_Picture! u8 W$ L* u( ^) L
- ********************************************// ~9 |7 Q8 `/ ~# C$ G
- void fill_picture(unsigned char fill_Data)
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: S0 s0 U s3 T2 | - unsigned char m,n;$ Q; U% z: ?( p0 _; z( N" ^8 [
- for(m=0;m<8;m++)# |* D1 J7 D H4 ]' l- }* \
- {- q" o$ E. F4 m% c5 S0 ~+ V' z" ]
- OLED_WR_Byte(0xb0+m,0); //page0-page19 ~. O X0 A1 x# G. T
- OLED_WR_Byte(0x00,0); //low column start address
+ o4 d$ Y# O6 r# M2 i - OLED_WR_Byte(0x10,0); //high column start address
2 l. p+ z, y# d% }1 z6 C6 V8 n - for(n=0;n<128;n++)6 b+ P1 T+ v7 [( F3 p
- {3 v2 P, }9 t- s3 S8 X
- OLED_WR_Byte(fill_Data,1);
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- }
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1 N9 J0 B1 ]7 @* ^- /***********************Delay****************************************/! S5 H) r' i) m1 n0 ]' w( Z ]
- void Delay_50ms(unsigned int Del_50ms)
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- unsigned int m;
4 Q2 ?' H! A# y) R- ]$ l; f3 I - for(;Del_50ms>0;Del_50ms--)) [$ l3 j; w6 f9 h( t( @7 d+ H
- for(m=6245;m>0;m--);7 M9 F' c2 {$ C5 H0 S7 c
- }
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- void Delay_1ms(unsigned int Del_1ms)& Z: v& |# A# B6 ]
- {
( E% ^1 ^. c6 P6 v8 D; p, p' [ - unsigned char j;$ @( Y0 m. B. I( e0 W
- while(Del_1ms--)
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- for(j=0;j<123;j++);
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- }
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3 f& ], A; V7 p: B- //坐标显示+ r) R# z' \5 x! b9 O
& T: V! {2 J: b. G! ~9 w \- void OLED_Set_Pos(unsigned char x, unsigned char y) 5 S' H9 L7 R6 I0 M) P
- { OLED_WR_Byte(0xb0+y,OLED_CMD);
5 U3 I" ~, h7 x - OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);0 s! Q3 \" I3 @1 P3 T& ] A
- OLED_WR_Byte((x&0x0f),OLED_CMD);
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- //开启OLED显示
& p0 i# X9 F& w. F. F- A0 G - void OLED_Display_On(void)
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- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî( s& B2 L# ~, U
- OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON9 ^2 J+ T. O+ |( ^
- OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON
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, |' z' r4 e- p - //关闭OLED显示
* f, C: _0 Y+ O% t4 ` j3 w' S - void OLED_Display_Off(void)) w: M2 a/ {+ F' m- W
- {( B0 o6 R H2 e4 n
- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî3 ~! X! y, x$ o, V* |# l
- OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF% u1 [, L7 c- f* E" A! U- V: L
- OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF
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6 ~3 `# E" a, ]1 X - //清屏函数 - ~* N, K/ S+ R1 k
- void OLED_Clear(void)
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- u8 i,n;
) K5 G x. s/ U; _ - for(i=0;i<8;i++) " Q0 E6 v% _7 Y- v. j$ b b
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- OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©3 z; s7 X- z/ o' \7 j4 n
- OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·- g2 |# S- [4 o. _5 L9 ^% p0 j3 v
- OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ· / B% l9 Y* U1 O9 [+ Z3 j/ c0 G
- for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA);
! @! ~' P8 x/ d, z, o; X - } //更新显示% J6 F$ y& W6 N
- }
A& O/ B, P' t* e - void OLED_On(void)
* F; S6 M# U' D/ K6 Y; _ - {
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- for(i=0;i<8;i++) * z2 g H3 M7 R: i/ B8 Q
- {
" N2 L: n2 }- E& _+ y - OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©
6 J* N# L# J, b! L3 z - OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·/ Q- @1 P* }( T
- OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ· 6 l B9 u+ `- z3 l: s
- for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA);
0 D) h$ V/ O& x- g4 R! Q - } //更新显示4 u8 ]+ f' C/ G
- }
4 z9 b1 z+ ]; p- V2 \/ V - //在指定位置显示一个字符
, c1 W$ Y. v, `5 g9 [ - //x:0~127+ ^9 S3 t0 ~! @6 U1 u
- //y:0~63
+ a0 r3 o' B& K6 y) G& c - //mode: 0反白显示 1正常显示 . j7 a) w/ t9 e* s( v' ~& h
- //size:选择字体16/12
" s5 U6 E4 [! e9 K3 \ - void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)3 F5 l: z/ z; U' {4 H. N4 o
- {
4 m5 O( N/ j( y/ X - unsigned char c=0,i=0; 1 p8 T0 ^8 T3 R- O
- c=chr-' ';//得到偏移后的值 ; J ]1 H, a* N+ ~, X5 V
- if(x>Max_Column-1){x=0;y=y+2;} h; u7 C) O' t. @
- if(Char_Size ==16)7 g& u; c& [" ~6 O
- {
3 z% d8 b" _9 H0 h9 d - OLED_Set_Pos(x,y);
% g. o6 [: _! b U* F - for(i=0;i<8;i++)
& x( }& a. e' A- _1 p$ b% b - OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);: y; m) a9 [! f: `4 x8 o
- OLED_Set_Pos(x,y+1); y7 V. o5 p$ A: |* {" F
- for(i=0;i<8;i++)
$ r; [+ u" S' a3 E - OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);' z4 J$ z* q) v. o8 t9 a
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- else { 0 X8 J" }# D4 r$ S% y
- OLED_Set_Pos(x,y);
! F9 D. [8 g- E! J2 L; z. w9 L - for(i=0;i<6;i++)' G- V9 @2 J! I O/ J/ G& C7 x9 T; ?( H
- OLED_WR_Byte(F6x8[c][i],OLED_DATA);
* E7 Q; G/ l1 v, c a" L5 V$ z; H - 6 |- P4 s# W% t: j3 c3 p
- }* E5 S7 r/ x y
- }
$ g0 G: [% a- { - //m^n函数
" G3 {7 X0 x# P) X; b - u32 oled_pow(u8 m,u8 n)2 a& J1 M# |; M
- {- k8 _ K9 P p1 d
- u32 result=1; 1 V- l) J) L$ t# V0 a
- while(n--)result*=m;
% x' T8 g% v9 [# r$ l1 F: L - return result;
. A/ H- z# s( u' X+ D6 T - } 5 h: n* ?& W5 A! Q0 S/ q3 h
- //显示两个数字
1 N, S7 s& h" |& E: z, t8 u" i3 r6 S - //x,y :起点坐标
% j. L) X2 Z$ @8 Z8 P; V0 A - //len :数字的位数
) o- k+ n$ }( E0 u3 I6 m* C - //size:字体的大小
* f+ p: T* W, M) b - //mode:0填充模式 1叠加模式
+ Q; g* |6 u, ]7 T& b - //num:数值(0~4294967295); 8 ]( K; |* R( T! B4 _/ @
- void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)4 ?" b5 o7 {$ K, S
- { & _8 ^5 f& X1 M" w
- u8 t,temp;
/ z0 q+ j+ `8 {: h( f& I - u8 enshow=0; + I2 [0 R7 Q" H' V5 H
- for(t=0;t<len;t++): L% o; L4 M- t
- {. x X$ j% r- t. N! d# ]6 S+ w
- temp=(num/oled_pow(10,len-t-1))%10;
/ S$ u9 m$ a7 q% d- @ - if(enshow==0&&t<(len-1))
0 G/ b% V8 |4 h+ `' I. C - {
3 J- P5 O/ {9 D) H7 \) \8 p. ^ - if(temp==0). b% | y1 p. K0 U( u& u' G
- {
' p6 S9 o( y3 d( r n5 T* e5 M - OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
: R3 f1 a& J8 H$ g - continue;; t; C8 K4 a3 q) t; \, U
- }else enshow=1; + u8 z) t4 b# d7 c4 c
-
2 d) |, E! ]. x) e$ U; `6 g. f - }( b3 I8 ^" d. P3 }9 A! \1 q" C% {
- OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
' X7 G g/ @6 i" G" D* Y( | - }' r4 t& ]( w& V: ?
- }
- R' L) D; I& f0 ~$ C+ x4 L* G4 w; A3 [ - //显示一个字符4 }# V5 F& R( v4 V, T0 j
- void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)
2 H p: F6 N. U* s2 D5 P - {
& L1 ]$ g; ?6 ]" w0 ] - unsigned char j=0;6 E7 m" ^7 t7 e2 _ q% P
- while (chr[j]!='\0')
& S7 z0 c- S$ P. W* h - { OLED_ShowChar(x,y,chr[j],Char_Size);
5 P5 O+ T- F, u# v+ }. f - x+=8;
: W" M2 N, C, n) ~ - if(x>120){x=0;y+=2;}
+ E$ V' ?: u2 e: I% [# [ - j++;
% g3 v i" I" c9 Y - }
0 p, O$ d9 W7 D8 s - } L/ Z W# G! r# d! ?! f& v/ q! c
- //显示汉字
( c9 T+ h& S# o% k; g4 D# | - void OLED_ShowCHinese(u8 x,u8 y,u8 no)
9 N: `# ^; R+ H; j - {
- w; K' l$ T! C/ @) L' _2 y - u8 t,adder=0;
% Q# w8 b) k. m |5 l2 Y; H, e - OLED_Set_Pos(x,y); 1 h9 E& L+ g* a( d
- for(t=0;t<16;t++)
2 l' O3 Y* x( H# h7 w- j2 q8 u - {
9 m0 u: s1 u( G3 H7 k, X0 u - OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);
) C3 C6 u9 B/ A' E. \ - adder+=1;/ m- w5 t/ c2 D1 T1 p3 [7 K
- }
) m' p% Z2 g5 E* x1 m4 P/ n - OLED_Set_Pos(x,y+1);
, r0 G: N1 r3 K/ \9 \- ^& g - for(t=0;t<16;t++)
& E$ V/ R& K& F. @9 M2 f) S1 [1 Q - { % J: w" M7 V8 k u5 C' z1 V o! h
- OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);7 m7 Y& E; Y c5 O! ?
- adder+=1;
! b; o- t! J4 H% U. _ _ - }
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- /***********显示BMP图片*****************/$ U8 G4 Z4 x+ {
- void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])
, w4 A2 w! I& O9 M# ]* v M B - { 5 ?* x- T0 Y3 U; V/ Z) V0 \
- unsigned int j=0;
/ h) A9 S( g' b4 l - unsigned char x,y;/ T( {: t- P9 Q) j1 ~
-
# K, }# e r. n* m) v - if(y1%8==0) y=y1/8;
' G8 w: ~: w+ d' G1 j; S6 A - else y=y1/8+1;
' @# Q3 @+ I) F, b' V - for(y=y0;y<y1;y++)) Z* y9 s, A1 U+ F- ~" f
- {: G% ]6 [) F) f9 R# S' w/ z
- OLED_Set_Pos(x0,y);4 I0 A) r* `0 v8 J2 u1 V6 \
- for(x=x0;x<x1;x++) e8 {6 X& \! n. {
- { # _ z: ~) F: \, O$ E
- OLED_WR_Byte(BMP[j++],OLED_DATA); + j0 `5 u1 o7 G. M; Z% E
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- }
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- w% J; a; K; U; L( a& H( l- //初始化SSD1306
; i8 C( s5 v) T& x7 L# N - void OLED_Init(void); q& ~+ s& E$ Z( q& b
- { 9 { }5 w7 ^) j$ {8 L/ Q
-
6 E8 v N% u' l+ i9 `/ ]+ W -
6 F1 ~" p, A4 i! \ - GPIO_InitTypeDef GPIO_InitStructure;
- e7 a& b( E$ x+ ?+ F- h -
$ n' }; v) z }4 n" t Z/ i$ k* g - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG, ENABLE); //ʹÄÜPC,D,G¶Ë¿ÚʱÖÓ! B) [% h2 N8 [. o! W5 H( v
- 6 e" `) M+ T6 B+ _9 R5 F( a2 d
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3|GPIO_Pin_8; //PD3,PD6ÍÆÍìÊä³ö
4 c! X" \+ L3 x# N/ u& B P - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出8 z3 e) j& E) @
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //速度50HZ
. v$ A& n- f$ E2 P - GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD3,6
3 Q+ h8 s% a+ z. t j% r5 \ t8 i# V - GPIO_SetBits(GPIOD,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3|GPIO_Pin_8); //PD3,PD6 Êä³ö¸ß9 s! n7 d3 T/ o
- 0 j4 Z2 V$ K2 f, Q/ M
- #if OLED_MODE==1
! A2 L0 ]+ t p - : ~' }) Y5 R; V# L1 m* R
- GPIO_InitStructure.GPIO_Pin =0xFF; //PC0~7 推挽输出
- b9 z* P. X7 U. a9 C( ^! S - GPIO_Init(GPIOC, &GPIO_InitStructure);6 \5 a7 J7 r3 R6 `* Y
- GPIO_SetBits(GPIOC,0xFF); //PC0~7输出高
( d3 ~7 E) g; D2 W' K - : R# Z7 D$ h( H2 _; E+ ^" a
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; //PG13,14,15 OUT推挽输出1 _ n$ ?* G% h4 p$ H: |
- GPIO_Init(GPIOG, &GPIO_InitStructure);
$ ^6 @' E) F; [' f4 n- I - GPIO_SetBits(GPIOG,GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15); //PG13,14,15 OUT 输出高
$ u( i! k. t& u4 r6 v+ ]3 _" t8 b
8 d* ^! G0 c2 |5 ]0 x* Q- #else
$ J, N6 d9 J' L- L - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1; //PC0,1 OUT推挽输出# U: J4 ?; N$ Z* w1 I! J0 p* y) t8 ?, O
- GPIO_Init(GPIOC, &GPIO_InitStructure);
: l: R! @& y: K4 i- C - GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1); //PC0,1 OUT 输出高
4 n8 Y7 R b/ V/ {$ {+ g - 5 A0 D. y4 G* V: M0 L3 l
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //PG15 OUT 推挽输出 RST- ?* j1 y0 h! t( {( J
- GPIO_Init(GPIOG, &GPIO_InitStructure);
' h1 o }: \) w" P9 L) G - GPIO_SetBits(GPIOG,GPIO_Pin_15); //PG15 OUT 输出高
1 W/ n. K5 }- Z/ k( {8 ?3 H
8 m* \0 N* ]2 J5 i; [( f g$ z
, t9 i5 |2 C8 z; n- #endif: Z% Z8 `$ u+ C0 r- X
- delay_ms(200);
8 E0 | x9 ?) X! r - 1 m2 J3 F5 R! k: B! A& i
- OLED_WR_Byte(0xAE,OLED_CMD);//--display off7 c8 y" H4 g3 z" j% Z" j6 H
- OLED_WR_Byte(0x00,OLED_CMD);//---set low column address
! S8 _3 q/ l( i - OLED_WR_Byte(0x10,OLED_CMD);//---set high column address
# @9 S2 n+ c. K4 v- C, Q6 `" p - OLED_WR_Byte(0x40,OLED_CMD);//--set start line address
1 W1 P, C8 X- e' P - OLED_WR_Byte(0xB0,OLED_CMD);//--set page address) Z* }9 U2 g8 M" v; s# V# X9 E
- OLED_WR_Byte(0x81,OLED_CMD); // contract control
3 D5 M& S6 V: |, s k - OLED_WR_Byte(0xFF,OLED_CMD);//--128
5 I0 n8 o. I1 k7 H$ p: [% c - OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap
- x2 ^) U) u: @! t - OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse# K; O, z( Z% I8 ^
- OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)3 X# ]/ T4 ]1 A
- OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty+ s2 H0 R' o d: {
- OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction
- k; S/ Q7 t4 M3 Y; T$ P$ ^' K - OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset
7 P6 u1 L' M6 Q- e; \& _ - OLED_WR_Byte(0x00,OLED_CMD);//
) r a* k8 K/ d) A: `. ? -
3 |1 `; J: f) [8 U% K9 F. y. J - OLED_WR_Byte(0xD5,OLED_CMD);//set osc division$ L: g% p, B: {
- OLED_WR_Byte(0x80,OLED_CMD);//5 [; p4 G* ?0 o5 M0 |" C
-
5 ~2 a) _3 x- t" b ~0 K& H4 }; l - OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off
+ h, U+ j1 U/ \& h; q1 K - OLED_WR_Byte(0x05,OLED_CMD);//
# W: Z: ~9 `- i& ?8 A8 T5 Z `. p - ) r/ I* h8 H: X8 i7 \
- OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period
+ `0 Y: i0 u i) [7 S - OLED_WR_Byte(0xF1,OLED_CMD);//7 B0 v8 ^, Q, t7 @4 F2 F: Y; K) d
- . G" G. G+ J% M8 Q% k
- OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion
' j& U5 F' l; p/ u, F# G - OLED_WR_Byte(0x12,OLED_CMD);//- u2 |; w, a* ^/ o8 y$ Z8 i# N
- ; T& w$ R k( f+ H5 u
- OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh
: Q$ L* f, i/ f8 p* y! O - OLED_WR_Byte(0x30,OLED_CMD);/// ^2 d4 P& Z. Y( S, A; d
- 5 k, U, N6 n6 i8 ?- q
- OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable
! I% a% M( D) G: X! f - OLED_WR_Byte(0x14,OLED_CMD);//
% u- e( `. p$ [+ r. q i - 7 `1 B: u" Y/ H9 Y3 T3 I
- OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel9 `1 ]+ T# y1 p" ^7 R2 `
- }
$ K7 f0 x) F3 Y# k4 z
- J- J; d% h+ v' r- ; s5 u8 ^* a) M/ S; s. X6 Z
复制代码
- x6 G4 |1 U& C' M" K; M6 O/ j+ P: N代码部分结束 总工程文件评论区留下邮箱我会发送
* z5 K* R/ u: b. H \" E1 y p2020.12.3' N) b& F$ m4 z& ?6 b9 H9 a5 |; t6 a
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
1 g" p0 {9 g/ S4 p* K& A5 P$ i. R- #include "delay.h"
* ?( B$ b, D0 X0 v5 Z - #include "sys.h"; U* H. y5 Y( M' }" ^: T
- #include "oled.h"
- X& V* I/ `6 \3 t/ } - #include "key.h"
- [' V- o+ M/ t1 X- B0 f: j5 ? - int main(void)- v! ?& v& o2 Z/ Y7 c6 k3 I+ L6 P
- { / u5 f4 B. G, l# C4 A2 U F
- u8 key=0;
( T* F( U+ N8 J5 Y: I3 K- P3 G - delay_init(); //延时函数初始化 8 a, I- ]7 N* }3 {4 ?' _. a" B7 Y
- NVIC_Configuration(); //设置nvic中断 ' L" {: f$ `. O' B9 `! m% c
- OLED_Init(); //oled初始化2 x# t7 y0 `) E# I) |9 i2 U& s# [
- OLED_Clear(); //清屏
! e3 }* y8 i0 V - KEY_Init(); //按键初始化 5 M Y5 t0 Q4 S0 z8 b9 ~
-
* h) u2 D8 ~8 c: P -
7 }7 r4 l9 G' P5 n0 X4 Z. G - OLED_ShowCHinese(18,0,0);//
, `8 a; _# ]; t! K$ z6 c - OLED_ShowCHinese(36,0,1);//
9 ?5 o0 m3 q3 _+ Y: d# D - OLED_ShowCHinese(72,0,0);// b1 p5 ^' i8 g4 T: W1 m
- OLED_ShowCHinese(90,0,1);//
3 z' `+ N# j5 _7 Q - ) ]8 I+ R* j1 d% v0 D4 h$ w
- while(1): X' {9 c/ p, ]
- {
# O* g+ m r: E+ a1 w( i5 [0 Y - key=KEY_Scan(0); //µÃµ½¼üÖµ4 `2 S1 x$ q$ A+ b/ C- E9 e
- // if(key)
/ h, g: y3 o4 h R" T# I, \* H - // {
- e" w1 J1 s5 l; f - switch(key)5 R7 q/ _- A1 v# n7 Y) j x2 e
- {
- K6 R3 O" k5 ]( L# f - case WKUP_PRES: + B. C7 ~8 w8 S* I" m) w& n, I8 E
- OLED_Init(); D3 n F ?0 _5 M( ~( i- }, C
- OLED_Clear();
( R: }8 ~+ b( r& ~) m - OLED_ShowCHinese(18,0,2);2 i) N1 G9 a, U: J% ?; A" e
- OLED_ShowCHinese(36,0,3);
& s, l7 g: P7 L, ^" N" J - OLED_ShowCHinese(72,0,4);/ V/ o' Q. I2 ^0 |. s
- OLED_ShowCHinese(90,0,5);
$ R1 D* n, s( \' c8 f - break; & I* S( g$ N1 |) ~
- case KEY1_PRES: 5 o% W! m, ]3 O4 u4 ]( M4 ^3 y9 E
- OLED_Init(); 1 |+ w7 d9 n9 c8 v' i/ C5 o/ M
- OLED_Clear();% X+ h0 E: f% G
- OLED_ShowCHinese(18,0,7);* m+ J+ {7 f5 j7 |' I7 L" B
- OLED_ShowCHinese(36,0,8);
" }+ f, [/ w; M x6 A9 _ - OLED_ShowCHinese(72,0,9);$ f, Q; p' M( V
- OLED_ShowCHinese(90,0,10);
4 F$ R7 U, B8 B6 n - break;
: |- X3 [' H* h/ |, } - case KEY0_PRES:
I @0 T# H$ m8 Z4 [& B' R' \ - break;9 {$ N% Y8 }( J0 E0 ^
- }
3 g: h( Z, a2 V! r7 Z4 v3 l - // }else delay_ms(10);
- k. B% _! S- r" ^ \9 h - } / ?& b# c% ?* `# r: K- P& E
- }
4 M) @* v, b2 o9 z -
" Q6 {1 t8 w7 g. c$ k) I* J
复制代码
' \/ Y# U4 K' P B( i2 M; g效果如图
" H. g) b. h1 g+ k* @" ?9 K3 a/ L+ I& W2 U' M" Z/ N2 i
& ?7 |$ H8 @5 U- _) _- r9 k& c
- q8 z* G3 _9 l: O6 B9 H1 k g# U
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5 l6 U4 Q4 U0 r, r0 \' y. W0 X% m( o e/ W* y
$ v3 U. Y! P! s9 o5 E# N
完结8 z7 y0 f: d1 h0 g* Z5 w$ T
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# [: M' _) `4 d$ ]2 M+ g8 X8 u版权声明:文某9
7 w& N& q, K$ A; }1 z, H. t2 |如有侵权请联系删除
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