最近在研究四针的OLED 先上个效果图2 a* ]% C2 a! V0 X. O
总工程文件评论区留下邮箱我会发送# ~% Y3 o& q) c
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& x0 c+ M4 E, [6 s5 Q: T4 m硬件部分
3 p1 X" {& `2 z0 K$ Z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 k$ v6 P$ v& H) D% ?, H
类似这种
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接线部分
- E: O" ]4 E# j2 iOLED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)( x/ }* q7 q0 ?' _" O
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。
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软件部分" J2 [4 A8 U) @
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$ ^, M; I$ [. Y6 u6 |* D$ W$ Y
- //主c文件
. \$ D; n. a- p" j - #include "delay.h"3 t& k# f2 i! u$ ~* W4 _ L
- #include "sys.h"+ W% }! q) g$ y$ _8 m1 y
- #include "oled.h"' `$ r6 u# k3 K+ u t( Y- |1 o
- #include "bmp.h"
( U6 `! {; L4 t. Q# s# a5 S - int main(void)( Q+ F$ X K7 Y" s3 W# C9 V
- { u8 t;
4 m! r3 [2 g2 m- ` - delay_init(); //延时函数初始化
6 C8 f( L; u+ j( ]' c7 e7 Z - NVIC_Configuration(); //设置NVIC中断 % f, E r B* R9 Q7 [
- // delay_ms(8000);
) r5 ]9 a! {: L e O+ { - OLED_Init(); ; E0 ]+ H! q% D4 M+ f
- OLED_Clear() ; $ n3 b9 }) `+ d! e7 b" a
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- t=' ';
4 \8 K1 I! a& j2 s - //显示汉字$ b6 r7 h& j& {& e R
- OLED_ShowCHinese(18,0,0);//6 u, T' V8 r' t4 O H4 Q! n% b
- OLED_ShowCHinese(36,0,1);//! k) X2 h& W$ e' \# s/ r/ @
- OLED_ShowCHinese(72,0,2);//
- v, d7 A! u- X) S" y - OLED_ShowCHinese(90,0,3);//! A( H% }# m# T _
* F8 N- H5 c! W3 z- while(1)
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7 {+ q. R* t _8 o& ` - OLED_Clear();9 \- ?2 ?+ N: C5 H. }: T$ O
- OLED_ShowCHinese(18,0,0);' H4 r# v. {, w2 k, k
- OLED_ShowCHinese(36,0,1);. Y7 W! F. L1 G) s! l
- OLED_ShowCHinese(72,0,2);. s. ~ x9 k# Y8 q, C5 Y& {2 E; y' x: Q
- OLED_ShowCHinese(90,0,3);
5 p/ b% p. X6 d9 s1 t - OLED_ShowString(6,3,"0.96' OLED TEST",16);
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- OLED_ShowString(0,6,"ASCII:",16);
* v7 j, z" V' l M - OLED_ShowString(63,6,"CODE:",16); & q" o# J3 i1 ^( V
- OLED_ShowChar(48,6,t,16);//显示字符 0 ? {0 b* N3 L" y- A
- t++;5 `; k( Y, c, v+ }% T# b/ C( m
- if(t>'~')t=' ';( H4 h: C0 a L0 ~
- OLED_ShowNum(103,6,t,3,16);
/ x f) L A/ s( S q$ N; ] - delay_ms(8000);
V8 R# ^$ M* W6 g4 S - delay_ms(8000);
& _1 q% T0 a/ j5 n) d, Y5 E( v5 ~ - delay_ms(8000);- [" @& F8 L% a# }4 N: o: S
- delay_ms(8000);
' t1 A" @9 L0 j" S& h7 m+ a - delay_ms(8000);
5 X! O) P& {. j* a; J- F - OLED_DrawBMP(0,0,128,8,BMP1); //显示图片( @( q/ D+ N) o, h5 R& l9 k9 o
- delay_ms(8000);: A+ | _$ K& o; Y
- delay_ms(8000);
* X# c$ L/ x* @; G2 S7 e P - delay_ms(8000);3 D; h3 a) Y6 U1 _( {! x- n# U* Y
- delay_ms(8000);" A/ r; n; p$ k! ?
- OLED_DrawBMP(0,0,128,8,BMP1);
2 i- w. j* t4 e$ D: \ - delay_ms(8000);
" d0 `8 `$ j1 a. ^8 [4 x; g5 R6 _ - delay_ms(8000);
' W( f8 X6 j8 A - delay_ms(8000);* u+ p: o, o+ ^. b( K
- delay_ms(8000);8 n9 e, z0 {5 m
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- //oled c文件
3 m- @' Z/ h0 y" w2 N - void IIC_Start(); h5 \# o9 j! T* `
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- ' L0 D: A2 p; g3 F' p
- OLED_SCLK_Set() ;# R* f/ }! S" |0 x
- OLED_SDIN_Set();
9 F, w5 {: Z b! D - OLED_SDIN_Clr();/ o: o1 Z" y; i, q1 g7 E
- OLED_SCLK_Clr();1 z0 T2 X. ~% T. K+ s
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2 l) _+ J; X- s- s( V+ H: _3 U- /**********************************************
8 D% W( {# V4 {+ s. z9 w9 R C - //IIC Stop
6 b; l* Q: O; N7 ` - **********************************************/* n; v$ x: Q7 }; `8 Z
- void IIC_Stop()9 k; Z8 z/ \. ~& X+ t9 ?. r5 L
- {
; l2 j- z* M7 D# n% M - OLED_SCLK_Set() ;4 k5 t) U0 y( W/ x
- // OLED_SCLK_Clr();
' K* ]& x) Z7 v5 D" P5 Z - OLED_SDIN_Clr();8 e$ P: n# b9 \+ C# i4 Q6 o
- OLED_SDIN_Set();7 W; N A7 G' `- |
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- . k( k( ]: W$ }
- void IIC_Wait_Ack(), F4 c* J/ u c3 x5 n" ]6 v
- {
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- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为上拉输入
; C# y. w! ^6 F - //GPIOB->CRH |= 0x00080000;# `- q! J* _9 {
- // OLED_SDA = 1;
* {5 ~ ], n- \% y; ^5 m - // delay_us(1);+ M- b0 |( I0 \
- //OLED_SCL = 1;$ {) z" M! d6 u+ M. H9 j& b o" v
- //delay_us(50000);0 { s% I6 ?0 P3 q
- /* while(1)4 o/ @: w; ~. k3 ? H; a
- {" v1 d) L/ U) r+ i9 D
- if(!OLED_SDA) //判断是否接收到应答
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8 t5 `0 W# D/ i$ P8 e/ g$ K: \1 ~ - //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为推挽输出6 ?# d- ^$ D4 O1 z
- //GPIOB->CRH |= 0x00030000;/ D6 {' ? Q! F
- return;
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- }
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- OLED_SCLK_Set() ;
$ _3 q$ v' Y; y+ d' L - OLED_SCLK_Clr();
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- /**********************************************5 v S( K- X5 i: q7 p4 k
- // IIC Write byte
* y' a7 e* j# w, Z - **********************************************/
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% R; [/ i4 h8 z) N- void Write_IIC_Byte(unsigned char IIC_Byte)( k K' j( w# }% C* Y
- {
* `* K" H: v7 A1 ^$ U% k$ |" x7 n - unsigned char i;
! ~% R# d* F2 x3 c' @& I9 K - unsigned char m,da;0 C8 O/ Z r% y+ L+ F: A
- da=IIC_Byte;/ b& w' }$ R+ F z
- OLED_SCLK_Clr();
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- m=da;
) ~0 i' V6 C6 s. ~7 Y7 H - // OLED_SCLK_Clr();
0 w5 j0 o2 |* R5 \( a - m=m&0x80;
R, G- @% d8 G- d' Z5 e3 ^ - if(m==0x80)
: e7 m- V- Q, d- d: N. V9 u3 J7 s - {OLED_SDIN_Set();}
$ g j$ |' Y E6 s% [, | - else OLED_SDIN_Clr();* W: E% k: g' [8 ~
- da=da<<1;: L: \% a$ D% T! v
- OLED_SCLK_Set();
/ v4 A8 Z* S3 ^1 \ - OLED_SCLK_Clr();
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- void Write_IIC_Command(unsigned char IIC_Command)
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- IIC_Start();
H# Q2 _' W. l: h j - Write_IIC_Byte(0x78); //Slave address,SA0=0. J0 e, F& M% T1 D# Q% v% `0 V% Z
- IIC_Wait_Ack();
* B5 n. Y- V/ p+ p' W* y - Write_IIC_Byte(0x00); //write command8 N3 u; ~+ {3 y
- IIC_Wait_Ack();
* \. q% \0 w! B0 Y% a - Write_IIC_Byte(IIC_Command);
; V. G7 S6 h9 b) D# O% B - IIC_Wait_Ack();
) i0 d: J9 h% \. k6 B6 S - IIC_Stop();9 g- }$ m4 F% ^' H( b5 B3 Y
- }. s; l; W5 \0 \5 D. P
- /**********************************************
, k, v- H& L: q& t - // IIC Write Data9 v0 [+ r4 E8 S0 a3 W0 ]
- **********************************************/
' p# h7 `8 P7 S4 d) v, w - void Write_IIC_Data(unsigned char IIC_Data)
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- IIC_Start();# g/ r* g" p% k6 p
- Write_IIC_Byte(0x78); //D/C#=0; R/W#=0
- r8 w. A" F3 T9 ], O - IIC_Wait_Ack(); / O8 [, M3 w+ I; `. |
- Write_IIC_Byte(0x40); //write data
; w* d3 A+ U- x4 W6 b - IIC_Wait_Ack();
8 v; t' u/ y2 a1 v - Write_IIC_Byte(IIC_Data);
- J# {* J, g7 x2 q - IIC_Wait_Ack();
2 T3 l4 G8 I1 ]6 y& y6 E' O - IIC_Stop();8 v& B) Y/ `8 Q6 {5 O9 K
- }
8 e5 [2 A' Y/ g+ {3 b( X - void OLED_WR_Byte(unsigned dat,unsigned cmd)& V9 O7 ]! y0 Q& ]% f$ P. K" {& @
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- if(cmd)0 [. L! R8 B2 [' X
- {
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- Write_IIC_Data(dat);
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- else {, W5 _) ?7 e, t! e: @
- Write_IIC_Command(dat);
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) d& m4 @6 B! ^; e* e- /********************************************6 W: w' E3 R+ f8 N
- // fill_Picture
( C4 A1 R) C" W& E: { - ********************************************// {9 V; w) r5 ~: ]
- void fill_picture(unsigned char fill_Data)
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- unsigned char m,n;
: ~- @' ^, M" h% B - for(m=0;m<8;m++)
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- OLED_WR_Byte(0xb0+m,0); //page0-page1
2 i+ ^8 c# r( S4 A - OLED_WR_Byte(0x00,0); //low column start address7 M* P7 b1 X* _/ e# Z2 |
- OLED_WR_Byte(0x10,0); //high column start address% P _% i( f" N2 n3 J5 q. d* _
- for(n=0;n<128;n++); Y% H S' Q7 R& }( t
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- OLED_WR_Byte(fill_Data,1);+ ]; B+ u* F' e' L( R
- }
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- }
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- # ?6 v3 X! ~1 V" r
- /***********************Delay****************************************/; [- _1 D2 S6 Y
- void Delay_50ms(unsigned int Del_50ms)
4 g I: u6 p1 b5 L - {( T. T4 p3 s, F
- unsigned int m;
* k; Y2 i: p& D! b) J1 S0 H - for(;Del_50ms>0;Del_50ms--)
' I; _ e7 S9 J - for(m=6245;m>0;m--);) |/ {! w; i% Q
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- a L: M( L( M3 [8 _- void Delay_1ms(unsigned int Del_1ms)
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- unsigned char j;# X2 R9 q: ]' @7 r$ U) X- `
- while(Del_1ms--)5 K; \9 t% l- U& U' l. L
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- for(j=0;j<123;j++);9 O) L6 g$ \1 x* S5 H
- }
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- //坐标显示
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/ O' n7 t2 R5 P$ v( k- void OLED_Set_Pos(unsigned char x, unsigned char y) . I1 y0 U" \) o9 A/ x- g
- { OLED_WR_Byte(0xb0+y,OLED_CMD);
" o8 E- @* a0 o3 S' Z S - OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);
# d1 g5 n% j l# h' V5 R - OLED_WR_Byte((x&0x0f),OLED_CMD); + ~0 a ^0 a G4 I+ i, W2 r" ^
- }
8 @% _2 r4 v1 c- O - //开启OLED显示
' R4 e/ S) }' Q3 V - void OLED_Display_On(void)
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- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî' t8 g: C; `* S. T
- OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON
" f/ `1 o3 E& w, Q - OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON
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4 ]9 i7 A! {* B& M$ ?: M - //关闭OLED显示
9 p) X1 d% `0 U4 ^ - void OLED_Display_Off(void)9 `# z: K/ O, b+ _
- {( ~8 G" N0 P$ |* q0 N2 n
- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî M5 h' X" R( w6 c1 z+ w7 F5 K
- OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF
! A. S2 s8 A* @: A- c' ^, z$ m' n - OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF
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- //清屏函数 $ [- C1 ^' C% d2 }' S$ q1 K! ~
- void OLED_Clear(void)
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7 e( j0 y7 ~/ J5 j( {; N - for(i=0;i<8;i++) 9 I4 u* i+ {5 K2 @( t# H, F# [
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- OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©7 [8 n( w1 A5 v- d
- OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·
" D; ]' V/ [0 q1 [: q9 v. | - OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ· / }% `: @' C: T# J
- for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA);
, c) N" z% a& b7 U0 q( C - } //更新显示. w% r2 G! D# Z# L& q. i3 ?
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- void OLED_On(void)
/ v# g2 v4 l1 b+ w; J - {
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5 o' E7 z3 `3 l+ p3 S - for(i=0;i<8;i++)
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- OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©3 s, E8 R5 {) X, T5 T4 v/ w
- OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·% \% F# Z( V+ P9 `( K) O
- OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ·
* X+ j; ^) e" m/ R - for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA);
/ f4 G% r' K3 R0 N2 L9 y- D - } //更新显示
# R& K+ |/ D2 s, Z e+ }6 H& i& i - }
/ U A% Z' o' f7 v, p, B: g+ G - //在指定位置显示一个字符
; s& S3 z; k0 R% Q3 w/ Z* W - //x:0~127
@+ ^7 ~& L' ?: {9 C# } - //y:0~63
$ I7 ]3 K4 v9 z; k - //mode: 0反白显示 1正常显示 " Q4 W* Q7 ]1 O, R
- //size:选择字体16/12
5 A- `$ a2 R- T3 n9 `. o - void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)
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- unsigned char c=0,i=0;
1 j8 Y( ]- Q. T& n1 ^- Y7 r - c=chr-' ';//得到偏移后的值
: `" f3 N U! ~/ @$ ] - if(x>Max_Column-1){x=0;y=y+2;}
/ [ p1 t1 L# q+ Z' S! g - if(Char_Size ==16)+ `( k: d- v. P# K/ X0 h+ W
- {
0 W2 b/ g1 T& o+ j& z0 r - OLED_Set_Pos(x,y); # a: ^( z5 o2 h0 c- J
- for(i=0;i<8;i++)
; T M7 X# w X" N9 _1 a, S# U - OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
. k9 M* R) F& ~9 L+ C4 E/ g - OLED_Set_Pos(x,y+1);, m5 ~, z& V( l" }( D9 O! g1 u) j
- for(i=0;i<8;i++)
3 K& F# c8 T$ ]8 j; l& ]3 H - OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);
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- else { , \/ q0 o3 w) m; x
- OLED_Set_Pos(x,y);
6 @8 F: L. o6 L2 k8 B: s3 m - for(i=0;i<6;i++)+ Z( |# w" u- s8 G
- OLED_WR_Byte(F6x8[c][i],OLED_DATA);0 P( x# `+ |$ z3 i) }
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- }
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- //m^n函数
" \% C5 A: D9 e. C+ d7 ^# n* F; p - u32 oled_pow(u8 m,u8 n)
$ M" o. [1 ?$ e- ^ - {( }4 {/ s1 `. L8 e
- u32 result=1;
7 x$ L- m; n5 w" S- `3 ~ - while(n--)result*=m; % J' c4 u; v7 F. S! K( V
- return result;$ x: Z* ?/ E; {9 e% V! b2 C1 }8 z
- } . d' d- B. L4 W: ~1 \
- //显示两个数字2 x7 R3 a# @) b' A4 h+ ]
- //x,y :起点坐标 ?* K4 T2 ^! f8 X' [3 [( U
- //len :数字的位数
# W! c' {9 E6 D j R - //size:字体的大小" Z* c5 `& w4 E; j/ R, @
- //mode:0填充模式 1叠加模式9 ]5 H$ h$ b% E7 ?
- //num:数值(0~4294967295);
) o* S* \. k1 G& [/ e1 f - void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
/ A7 a U* z0 [ - { : ]4 k7 H8 E7 I. {
- u8 t,temp;" V" w1 z6 ~+ u7 R5 s0 v9 {, I
- u8 enshow=0; 0 u3 _; y% r# s9 j$ ]4 L" O
- for(t=0;t<len;t++)& b; _/ ?, {4 Q9 h1 i
- {
2 q7 |$ }( s5 I" W- A. e* Z% C - temp=(num/oled_pow(10,len-t-1))%10;9 V- y' m2 ]/ w
- if(enshow==0&&t<(len-1))2 Q k6 U7 f" b0 m% w1 Y4 Q' A+ P8 G" c* }
- {$ D$ K9 Z5 @. j. y5 |* A, T
- if(temp==0)
$ _1 v/ s) ^; K+ ~ - {) Y7 w! o9 z% O0 _. i
- OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
/ \5 o$ `' J2 p* M" d2 Q - continue;" _% y( I, R& ^ v/ p0 a' B9 D4 g+ y
- }else enshow=1; 8 z5 h3 p7 B7 _6 }# P$ [
-
% y4 @, O$ }; M. [. Y& ]0 s - }7 }! Z8 p) _" c6 i
- OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2); # O4 E+ S! c5 b; Y4 n8 f
- }
! ^5 X" L' [! U( e1 k - }
' w$ J, H- d7 v- A - //显示一个字符) i- Y3 U$ E$ g+ V# d
- void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)
( u) J$ k* I2 `5 J - {
G4 s4 p* `" t( [7 h0 t4 y2 I - unsigned char j=0;
, V- x+ I2 I2 ] C1 {0 d& v" Z - while (chr[j]!='\0')4 s A! h, M2 K, x, M: I
- { OLED_ShowChar(x,y,chr[j],Char_Size);
) ^8 n( Q5 [' V, M - x+=8;/ F3 ?( G' X8 h
- if(x>120){x=0;y+=2;}
% w2 c* P" y) J5 \ - j++;# d/ W: K# s# I; C/ l, H
- }- x: s7 l5 G7 \* G
- }
9 f' s4 p# r @) z- [ - //显示汉字1 p! w% e, ?* w9 ]8 |7 X
- void OLED_ShowCHinese(u8 x,u8 y,u8 no)
6 `* M ~& C* a, O - {
# a- b+ C# K6 b; w7 `* P! i: V; H - u8 t,adder=0;
* t# E# z. I5 F - OLED_Set_Pos(x,y);
4 e3 K* j( i. x! @) `) x4 } - for(t=0;t<16;t++)& I- S2 L/ R' W. S4 A
- {& U( M5 F( q+ `- I
- OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);
3 _( B' p7 g& ^1 z, x* D- y! p! n. [/ t - adder+=1;
" x- A) h" g# z; K" g+ F1 q - } * w" T4 g! l J8 ?" \3 }$ c
- OLED_Set_Pos(x,y+1); 4 `& K0 ^6 ]* {/ i" I1 ?
- for(t=0;t<16;t++). q6 t9 j& E% K/ i; {) A" P' C
- { $ Y' t1 P/ K; Q: P6 A
- OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);: I, k* U( q$ D7 R+ s8 B' C
- adder+=1;
8 o8 u/ p) [# N j, P) r - } 8 ^! G- ^$ ]! q; c! E! `/ d' G
- }
7 K; u9 P& d7 r5 p( D/ { - /***********显示BMP图片*****************/
$ _5 L! ]3 E% w+ g+ ` - void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])3 R- }( E+ d" R1 b
- {
2 {+ t3 o" i* @1 v6 S9 M& C - unsigned int j=0;
0 z1 w5 V" A0 ^* m- K - unsigned char x,y;: k$ v) a. n& h* \3 _% z
- , I% Y3 J4 I) h- C' U) Y) k
- if(y1%8==0) y=y1/8; . K% n: a' {! b- Z4 s9 R
- else y=y1/8+1;0 P% J2 S$ V7 j. {+ f$ C2 b
- for(y=y0;y<y1;y++)
" f% S0 U) w+ b) ~! H, C8 N) l: ] - {) k% ?) S+ ^4 Q- E7 o' x$ \! J+ k
- OLED_Set_Pos(x0,y);
# h7 _# ^; V& F& F) O - for(x=x0;x<x1;x++). K6 F8 c0 k# H. o8 d/ D
- {
7 t& }/ f9 {; A - OLED_WR_Byte(BMP[j++],OLED_DATA); J0 }& X- J) r( a9 c
- }
+ t% H, @$ ]" z( `3 O0 L) I! K - }
) z( L' F w9 ~$ q4 v7 ] - }
: I2 G5 N5 X8 V0 e/ M
/ `: U$ p( p2 K9 k+ T$ w- //初始化SSD1306
1 W0 [8 k5 q: \- T1 y# G - void OLED_Init(void)9 x( K( b6 E8 ]- w7 }5 e) [0 x
- {
8 a3 I8 B, D# m2 ~8 Q" O. ^5 s2 c - * h$ {5 g& j% Q( Z5 X
- . v% C1 T. }- X+ R- p
- GPIO_InitTypeDef GPIO_InitStructure;
: `- ]. J8 b, L. M6 V -
# C( a3 Q1 x7 T - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG, ENABLE); //ʹÄÜPC,D,G¶Ë¿ÚʱÖÓ
" H( A' ~0 x: A* S) q - ! _$ k; o2 o b3 k3 N t3 p
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3|GPIO_Pin_8; //PD3,PD6ÍÆÍìÊä³ö
& Z M# l8 k7 ^, U1 o5 t - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出. R% o) k9 Z# B
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //速度50HZ
9 l _! L z0 T- l6 b - GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD3,68 {& g4 l5 K2 _: 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
: k0 @& U2 n& ?. c' [/ P! L% S4 e9 e - $ G' X3 W* [" |; J7 j+ B( W9 a) j
- #if OLED_MODE==1
+ `4 g7 s# s8 j. P1 j4 y - ; g: n& B, X8 e& L
- GPIO_InitStructure.GPIO_Pin =0xFF; //PC0~7 推挽输出7 t- ?( w$ C( m1 }0 O$ b2 | a2 C8 ^: f
- GPIO_Init(GPIOC, &GPIO_InitStructure);8 V4 T3 q$ M* f2 V9 U" W
- GPIO_SetBits(GPIOC,0xFF); //PC0~7输出高5 J0 P. B0 r" P' o. p, z7 X' ?
. O+ ]; l, E1 K* W- {- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; //PG13,14,15 OUT推挽输出% c7 \ m, J" ^9 b/ V+ B
- GPIO_Init(GPIOG, &GPIO_InitStructure);
) U9 O4 m2 v% B6 Y& y: P6 b( K8 V1 d& g - GPIO_SetBits(GPIOG,GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15); //PG13,14,15 OUT 输出高
& j9 [& ~3 x! _( p6 h" m - e" R, V" O# I8 T1 i
- #else2 \4 J: Y; c' q8 t4 f) |+ X1 F, w
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1; //PC0,1 OUT推挽输出
8 @" k* e& f2 f8 U - GPIO_Init(GPIOC, &GPIO_InitStructure);" l5 f6 B9 t1 `. H' n; p
- GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1); //PC0,1 OUT 输出高9 _- e K* G. |
/ u& {) l# F5 d6 t: Y- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //PG15 OUT 推挽输出 RST
7 ]2 K3 l# H* p - GPIO_Init(GPIOG, &GPIO_InitStructure);
2 w1 ]0 e e7 p) p3 `: O - GPIO_SetBits(GPIOG,GPIO_Pin_15); //PG15 OUT 输出高; n, {$ P/ z& N
0 D: T( R8 x, ^2 X* z5 ]9 W3 s
9 p: ?. Q/ H4 O2 i* `4 ?+ M- #endif
4 N' f4 O V! }: d3 m - delay_ms(200);
( E4 M% {5 {) w0 |+ {. O; F! |" T( u
0 k t" z: j7 N6 I4 e7 p: G! q" M) F- OLED_WR_Byte(0xAE,OLED_CMD);//--display off
" y0 {8 O# Z3 R3 M8 j+ m& \. I - OLED_WR_Byte(0x00,OLED_CMD);//---set low column address
K/ X( _2 _9 {4 `) L6 Z( V7 i - OLED_WR_Byte(0x10,OLED_CMD);//---set high column address+ o! T/ X0 _" D+ _+ ^1 X( x/ n
- OLED_WR_Byte(0x40,OLED_CMD);//--set start line address * Z; S- u/ c4 h9 `! J: _' B! p1 m
- OLED_WR_Byte(0xB0,OLED_CMD);//--set page address
. O6 @& ?0 X/ O5 J. v, C4 K- ]% ? - OLED_WR_Byte(0x81,OLED_CMD); // contract control
7 a# {8 h! }! ^( q! L6 A' Y - OLED_WR_Byte(0xFF,OLED_CMD);//--128
9 |/ q2 G; X/ G* ^5 B, Z; G - OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap
- H6 q+ k$ W) `* ^% R - OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse- C2 B; O( l4 g7 ~9 j8 \
- OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)/ \- X$ t. Y- k& p5 f- n6 a
- OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty+ _' q$ s) S5 ?7 B
- OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction6 l8 n; P* H1 e: y% _
- OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset
4 q1 ~) r+ t( l+ o% D! G - OLED_WR_Byte(0x00,OLED_CMD);//# q& `2 M5 C% W- c
-
+ z# E2 c# T4 x5 y7 D, F: i - OLED_WR_Byte(0xD5,OLED_CMD);//set osc division
5 ]6 s- l# I+ v' Y0 F: a( p) Y* r - OLED_WR_Byte(0x80,OLED_CMD);//3 d6 _- B2 t& f' I, b
- ( `+ Q2 g9 @/ W9 V% ?' \* M
- OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off' p$ t: u' q- o3 O: O R, O9 }0 p
- OLED_WR_Byte(0x05,OLED_CMD);//) h- G" U0 P% M! d- s. u7 K
- ' ~ A2 b% q3 i- W; R6 j
- OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period
/ s, g0 J8 Q6 g$ j9 W9 ^' E, Y - OLED_WR_Byte(0xF1,OLED_CMD);//
; F3 j @; I0 v" t9 T! u( ` -
/ q* w' ~) r; J2 }" G1 M - OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion' l7 \1 @8 M I2 r, ]6 ?* y
- OLED_WR_Byte(0x12,OLED_CMD);//" H2 q2 o& O- Q: j4 d
- & P' d, g: G7 ?5 L
- OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh
3 i( c. k) N$ W0 ^ - OLED_WR_Byte(0x30,OLED_CMD);//
5 a! f, Q; P# W, Q1 E2 { -
' x6 _- A1 G- u/ ] q P - OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable
! d& r( v+ ~2 _% R. V0 e6 h - OLED_WR_Byte(0x14,OLED_CMD);//
, D0 r3 V$ F* s* L0 o -
7 e3 }* g6 a* M( E/ N1 w - OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel i5 T- p7 D- e# D! d3 u
- }
$ c/ j: }) Q p0 Z/ y/ Q- C6 D5 M - , y( x: V: q% j' y7 f" l e
- % V$ h! J- Y B$ }" D( I" f0 n
复制代码
7 S. a+ t/ O) d8 {6 q代码部分结束 总工程文件评论区留下邮箱我会发送
5 o" U3 S' q' x8 q' U" R( F2020.12.3
; [0 T/ }! `0 D6 Y* E7 N) X4 @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
8 G6 ~2 D# `& d- #include "delay.h": b' m; x, }* ^1 f
- #include "sys.h": c. }6 q) s9 a
- #include "oled.h"
% R. j! O" _& K2 [: U* D( B - #include "key.h"8 K" R! Q$ V [/ A( ~
- int main(void)
' P' l) N( ~, v - {
3 W! w# z S* }8 P - u8 key=0;
, S% v! v$ [8 c: L4 q' [ - delay_init(); //延时函数初始化
4 L8 N& K. d8 s5 i+ H) F' T3 H4 J# A! o - NVIC_Configuration(); //设置nvic中断
9 W1 ^, h/ }9 c- i - OLED_Init(); //oled初始化
! _+ b7 j. \* u, C- U" N5 v; f- x( x4 W - OLED_Clear(); //清屏 # R* s' U5 L1 Z- `
- KEY_Init(); //按键初始化 1 V5 r) G: F2 X* v* }9 p/ S
-
6 M! f/ o9 r4 S$ C/ G2 h6 G -
5 N3 X1 F6 Q/ P- V( |- k' J - OLED_ShowCHinese(18,0,0);//
" n- F: D. V! B0 ~- w, Y - OLED_ShowCHinese(36,0,1);//0 w4 C( u* c1 T3 }5 P8 u: m, g) u
- OLED_ShowCHinese(72,0,0);//
" Q' q* ~2 k" X9 h; b) @ - OLED_ShowCHinese(90,0,1);//
1 @0 B: l3 J6 t* e - 9 Q. H6 b. p& a" H D9 b
- while(1)
3 V, f$ G- ]$ z, \ N" D - {9 }4 E5 g9 c0 S
- key=KEY_Scan(0); //µÃµ½¼üÖµ1 p) Q0 [0 k" o0 k0 I9 w1 s7 R- r
- // if(key)
. C4 [/ E% N7 N, r% e - // {
- _" p" _% G9 I& [ - switch(key)
+ E3 u7 r2 e, A- H - { - c: h7 j. F. j: f
- case WKUP_PRES: 7 a9 h5 s8 B( O7 w( K2 a4 E
- OLED_Init();
& r( x9 L+ j! J4 \' ~$ F* v. o - OLED_Clear(); }7 A% Y: z- V5 v+ j! o/ n: e( c
- OLED_ShowCHinese(18,0,2);
+ ?8 i. Q' m, ]* `9 i, w7 M - OLED_ShowCHinese(36,0,3);
3 p( H9 z- y9 e& T - OLED_ShowCHinese(72,0,4);& F' j: I- L2 J
- OLED_ShowCHinese(90,0,5);0 n8 a. G+ h1 B3 ?
- break; ) z: B. x. r* k, O4 f
- case KEY1_PRES:
& C/ I6 y J* E1 b4 g% w3 Q/ O. g - OLED_Init();
) z4 X% F4 q; K( h- Q1 M, h5 Q - OLED_Clear();
+ o" G- g# t6 Z6 f' u# Q - OLED_ShowCHinese(18,0,7);# z+ \" o8 E) k# ?0 Y
- OLED_ShowCHinese(36,0,8);
1 |- ]6 u! z( E% f9 u; w9 L4 L7 l7 ` - OLED_ShowCHinese(72,0,9);
# j: U8 C. p' ` - OLED_ShowCHinese(90,0,10);
7 @! n6 ]$ c7 g8 u. l - break;! ?6 q+ j2 X- f& u. C
- case KEY0_PRES: , Q3 ^4 B5 c8 v) `: ?% `
- break;
8 ^9 w9 d0 ]/ S' O& a1 F - }1 M2 m& i4 y1 W2 T
- // }else delay_ms(10);
& M$ N- K' ~6 F - } . \' A# k# `( X
- }
& Z" s( p6 ^. X7 e - 8 i5 a% \8 t/ o
复制代码
' z3 \& K) z! B! S效果如图
6 d& n; @/ s8 l" V3 }. l3 {/ P
/ _7 V2 I) i$ z @$ H$ ~6 v
9 }2 S- z9 C; J- S2 y! e% Y
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U5 Z% d* u0 M: h8 g
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) m! M9 z7 r! Q. M7 |$ `
6 H! Y% B& t: f/ L1 q# r/ T; B8 m0 v/ A' g7 J) ?/ \9 G1 u; J
9 {( X' T* G/ ?! h. W完结* r+ z1 `1 b9 J' D& f
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