最近在研究四针的OLED 先上个效果图
; a8 u( j' n5 n: c% b总工程文件评论区留下邮箱我会发送) E- u7 J, y6 n$ ^0 r
9 c5 J9 e$ s4 t* j2 U, C4 D3 p: ]" D/ q3 |. ^, u0 f3 T
: t$ S7 N6 B8 b. ?3 @( S5 E
{* F5 U2 X) w" q- b" K, P! t
/ d0 x o4 o9 K7 ?硬件部分7 V+ A7 f& m7 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)
2 j* {3 d5 q p& A* j! B5 W" r类似这种
# Q8 }( c- }+ |& N' U) {) r0 Z
5 m# p! X: { c8 l9 H2 e3 X' ] R! ^3 D% W, U
2 }, v( q j: z+ o1 E+ d
) B3 K7 K4 z: _( Y" g- Z) E! {- \8 E5 ]5 ~
接线部分6 S& O3 B" w- ]) d/ `- `4 H
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)- A* A9 y t1 _% r) [) ]! Z; |) y
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, P5 {9 Z) R% H
( {3 q+ X6 a, A( \. D) d; b' V" b" l% T( y; S6 X* v. T3 {0 l" x
硬件部分结束。8 ] U+ ~* C% q4 r
7 j( S9 n6 b9 h/ o
9 Z7 c0 f1 U( _' A3 U软件部分$ R1 B9 o7 E2 t2 F4 b) 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
* F7 {' r. ?/ z. z2 ]- //主c文件
0 p6 w6 r# T2 s$ H - #include "delay.h"
B! m! Y! e4 ?$ M$ d: } - #include "sys.h"
7 o9 P9 G' R8 z, o6 E" P" x0 |( ^% ] - #include "oled.h"
1 k- B2 b4 q, A2 Y6 D# J6 @ - #include "bmp.h"6 K8 t/ }/ Z b3 Z4 s
- int main(void)
3 ]* u9 l6 R3 W4 O% e - { u8 t;
( Y+ f7 t' s1 J7 M# J. Y. y, M - delay_init(); //延时函数初始化 . @" \5 g6 `% g ~3 O5 a
- NVIC_Configuration(); //设置NVIC中断 7 p: }. E9 q* r7 o$ @' e' U
- // delay_ms(8000);
S- _* z7 |( o. g# P - OLED_Init(); ' f2 E) ]6 W' v$ D
- OLED_Clear() ; 1 B& `8 \5 O9 Q) B3 j0 y
-
) N. P9 V6 ~7 Q5 R# }8 v - t=' ';
$ W+ h* ?: n5 p0 |4 W - //显示汉字8 ^( t8 T: l! l+ v7 G. ^2 A# v
- OLED_ShowCHinese(18,0,0);//+ A0 x+ C+ ?5 ]
- OLED_ShowCHinese(36,0,1);//0 C A9 F. e; q$ L, `0 Z3 A
- OLED_ShowCHinese(72,0,2);//% k7 J( l4 B9 p2 f) f
- OLED_ShowCHinese(90,0,3);//- b1 i3 Q' Y8 X! O' Q
- : B! r6 T" G- |: @2 k) Y" r
- while(1)
9 }( k6 c: K+ ]- v% |5 l1 u3 ^/ W - {
0 z6 w, M3 k5 G$ @4 n* L# x - OLED_Clear();
Z$ `2 \' g6 e6 d0 V3 N - OLED_ShowCHinese(18,0,0);
4 J3 ]& ?# j3 t. S) m5 P - OLED_ShowCHinese(36,0,1);5 {5 s) ^% `! C$ o$ g
- OLED_ShowCHinese(72,0,2);. Q* N8 c. \: [% h/ B4 @1 N e* W
- OLED_ShowCHinese(90,0,3);: G& E6 F+ r8 x- M- s! u
- OLED_ShowString(6,3,"0.96' OLED TEST",16);- K0 {" }+ ^! c2 }$ c/ r% W
4 f, {+ F, U; x; p1 C9 E& p- OLED_ShowString(0,6,"ASCII:",16);
+ X% ?3 J% h: ?& |, ~9 C6 D* l - OLED_ShowString(63,6,"CODE:",16); 1 p) y! S: Z: a! F7 f9 h. C
- OLED_ShowChar(48,6,t,16);//显示字符 & ]5 G% K, m; p4 h
- t++;
1 a0 {1 k9 p! E4 h( @" E - if(t>'~')t=' ';/ k. N7 g3 ]3 d* }) r1 f6 u
- OLED_ShowNum(103,6,t,3,16);2 v8 Z [5 P; L. M V( g @ N
- delay_ms(8000);( u' `2 Y$ S8 R2 y3 x- q
- delay_ms(8000);$ \7 D( s) g2 L I* `4 C: {
- delay_ms(8000);
8 B$ v/ R: L. [# I. A0 G6 H- ?8 z - delay_ms(8000);
+ |# H- D8 K' x% S7 C! I" ~5 | - delay_ms(8000);
( z- E6 p& S6 N2 z0 z - OLED_DrawBMP(0,0,128,8,BMP1); //显示图片: r: ?( ~, @! j8 ]
- delay_ms(8000);
% f7 Y/ l8 C: `4 |% ^ - delay_ms(8000);
+ A2 }+ O8 v/ L4 c7 f* `+ n; } - delay_ms(8000); B3 D# D+ c1 @
- delay_ms(8000);
+ C6 h' {2 C: t( D1 h6 T" L - OLED_DrawBMP(0,0,128,8,BMP1);
) {+ ~- p. z1 M9 {9 U3 P h+ v6 z - delay_ms(8000);
' b" B! E; O( M3 O# ?2 ?9 t - delay_ms(8000);# x# h# s8 \; y2 t9 d- Q% b9 M
- delay_ms(8000);7 d/ N2 K) @) C" \) ^- m- } t3 }9 _
- delay_ms(8000);+ f( u9 a4 r0 a5 A6 g" C
- }
4 X6 t8 \6 Q; B+ i, _7 v+ x6 p -
; ~; Y: A" u1 z p f - }* c9 M9 t7 _$ k7 q& y; j
- //oled c文件8 L- }% R, M& f% {7 Y; K
- void IIC_Start()
" P+ T- Z* ~, l - {8 j. q" I! W/ c; m+ i" ~" f
- 7 P5 P$ n s5 k) V7 E! t, i
- OLED_SCLK_Set() ;0 m7 V+ n( S. {- w/ m* o
- OLED_SDIN_Set();
9 J; I+ k( @+ }: {7 ]' d5 q' }$ c/ U - OLED_SDIN_Clr();- ^0 i; w- L2 t3 V
- OLED_SCLK_Clr();
9 F) N; a7 B4 Q' r& w( X* k - }
& p2 C( V1 w) X4 L1 k2 A! ]. b3 L3 ~! { - $ `( G, E! G7 w& N
- /**********************************************
* s) \$ H5 _: q' h" ^* N0 ]& g! \ - //IIC Stop% ^' {1 V) v" @& |
- **********************************************/
& k) y W6 W& ?1 y. k - void IIC_Stop()7 {+ M% J# y4 A8 A, s
- {2 a% L. m: ?3 Y+ |* e
- OLED_SCLK_Set() ;
- \+ f0 K8 G: Q/ C - // OLED_SCLK_Clr();# @+ ^* R" x! ~7 I8 b& W/ q/ T0 v3 r5 a. l
- OLED_SDIN_Clr();
- _$ y7 B! v! N) B - OLED_SDIN_Set();
, @* |4 p; ^9 Y7 h - 1 P6 c- J9 T* h! J5 M& P, V
- }
: J& a5 p) e# _ - . W" q6 {$ \& l+ t S) g
- void IIC_Wait_Ack()
* x$ b. W# L& _ - {
! X, ^& d% \( _- Z4 C
3 X* l/ Y* W1 i3 m- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为上拉输入2 ?$ z2 I$ W O& K2 Y C2 ]
- //GPIOB->CRH |= 0x00080000;' {/ W1 Y, y! A% C8 H6 W1 G3 K
- // OLED_SDA = 1;7 K+ P# M* a* C
- // delay_us(1);
( l/ W" J6 i& z5 d. r6 A - //OLED_SCL = 1;
7 U( w8 { \; @ _* b) ^( h - //delay_us(50000);6 c9 C- d2 i" a2 Q
- /* while(1)
3 F3 N; ]2 n3 s' z - {2 v6 H$ @5 t8 O7 x' ~
- if(!OLED_SDA) //判断是否接收到应答4 Y" i3 ~) R$ a" p& B. m
- {5 i( b5 V: |, P1 b T
- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为推挽输出# h5 C% x! V1 G+ |0 `7 Q9 o9 N
- //GPIOB->CRH |= 0x00030000;7 j- Q. R) u7 ~% U
- return;
! t' \2 ]3 d8 C! B7 m( }$ B - }1 G1 [: O, Y* r9 l6 E
- }2 y* M; k5 N# I
- */
5 z' q$ V1 `* l( D @* V6 X. h - OLED_SCLK_Set() ;" T' Q; Z: m2 j! M& K9 R3 g
- OLED_SCLK_Clr();
0 H2 R( ?4 x) s5 l. Q - }3 @: [$ ^& n& N y( }1 W! v
- /**********************************************
4 ^) k$ e6 @% ^ `5 o- C - // IIC Write byte
/ R, l2 S. p! o - **********************************************/! `8 y, B7 A8 Z& a: g3 r
+ D; M% P2 T7 T5 |- void Write_IIC_Byte(unsigned char IIC_Byte)
1 T+ h$ B( e" K5 Y E% |- j0 Y% C - {
- S% X$ ]$ e. z - unsigned char i;: K$ B, z+ h8 W9 y3 `
- unsigned char m,da;2 U4 w5 o9 v. \6 _4 ]
- da=IIC_Byte;
% H, Z' o, Q# O2 ]' z4 T9 ~ - OLED_SCLK_Clr();
6 A) @4 D4 [0 T0 {2 @' f& j - for(i=0;i<8;i++)
5 h1 b( c* k! K+ o- T: }$ X8 c; K - {" b' x2 p% |7 x1 i; |2 ~
- m=da;
, ?. X, C; K. I+ C) @ - // OLED_SCLK_Clr();& d4 d% G* G. [' a9 e# _
- m=m&0x80;
2 O0 h1 o% z" p% a: P - if(m==0x80)2 X# M' {# j. r% i# i* ?
- {OLED_SDIN_Set();}, V0 @2 ]1 j# I0 c4 }% D5 F
- else OLED_SDIN_Clr();5 X$ { J+ y( p/ q" v) D$ T% ~
- da=da<<1;. I* e- N6 h- A
- OLED_SCLK_Set();0 O0 B5 a2 v& }* T/ w
- OLED_SCLK_Clr();
X" u5 G( t' m - }
0 t6 D% r& z) n/ D3 D% m: G - * r& S$ N! U* E3 k* z
- $ U4 R" N/ Z8 W: p* F/ J# ~% _: l
- }3 |2 p" r k4 M- c/ u( X
- 7 b( L* {9 } O, _) V
- void Write_IIC_Command(unsigned char IIC_Command)
1 d/ U1 i% h! Z# Z8 V; l( Z - {
3 j4 k0 ?4 ?0 K8 w+ i7 H( P - IIC_Start();4 J3 `. S7 \) x/ x; g
- Write_IIC_Byte(0x78); //Slave address,SA0=0" Z: l$ i" T# ~4 d+ H% [
- IIC_Wait_Ack();
+ Y) u) ^: j9 V: y E - Write_IIC_Byte(0x00); //write command# w; g4 S& i2 v
- IIC_Wait_Ack(); ! b( N$ S0 @1 L" N7 Z, C/ C9 R
- Write_IIC_Byte(IIC_Command);
$ i+ {# d+ }+ `$ s: O: v - IIC_Wait_Ack(); / [( g% `" [1 s$ k9 t& q* l- d. d
- IIC_Stop();2 X% B7 G- _* d1 n" x
- }
6 j" p* a! \& B, N' l - /**********************************************
% {; q3 g% F; z' s - // IIC Write Data
& K; f- _( O/ o3 m1 m - **********************************************/$ Y# [' C, M) @- e
- void Write_IIC_Data(unsigned char IIC_Data): W; R$ g) L, ~! g" l6 } g0 ^
- {7 v" [$ J% T3 W6 {
- IIC_Start();
' x; X. ^7 f: D6 R" c$ V - Write_IIC_Byte(0x78); //D/C#=0; R/W#=0
& Y3 c1 e; o' t - IIC_Wait_Ack();
3 c# l1 c: b7 J - Write_IIC_Byte(0x40); //write data6 O7 Y4 ?% y5 b+ V- p
- IIC_Wait_Ack(); 2 W( H p" S8 U8 R2 S% S4 L" t, i
- Write_IIC_Byte(IIC_Data);. }: V. u3 N1 e+ {
- IIC_Wait_Ack();
! F- C: ?" P% ~, }- u* M - IIC_Stop();
7 n8 a, u/ a- t+ v% _$ |2 R7 c - }0 i% M0 U+ u+ ^
- void OLED_WR_Byte(unsigned dat,unsigned cmd)
9 [6 N l8 C- w% Y+ e4 `9 y - { U3 u1 M) j' q: T% I
- if(cmd)9 l5 f2 O* K/ K: m
- {
( Q: B, S, Q. O. Q! T* O$ a7 C* z
% M: G& C+ ?+ C- Write_IIC_Data(dat);
% y0 G( V) S( ^, j6 ^& b( n. [ - 7 s2 k' N `* v* O, w& y7 Y# \, _
- }
v- L4 e! c; E4 l6 [( ]+ y - else {, ?6 D% c9 W3 v' Y+ `! _
- Write_IIC_Command(dat);) J: M2 [; |7 D5 `
-
$ V! a1 c3 g, C8 J1 n" q9 r" d' [- m - } @1 q3 L6 o' ^: g
- 8 R$ x1 d# q1 e# W2 s
- 2 f+ B' S6 G. \' v' q3 n5 K
- }
8 b9 w% y5 j% W, A( F
/ p% { e# J' {* W
3 n$ E# g* | P- /********************************************( C- [ b2 y% Q; Q
- // fill_Picture
0 f9 K1 i/ b6 Z; d - ********************************************/
& s2 D) D; v V& b - void fill_picture(unsigned char fill_Data). }6 p2 J6 U) z, R
- {
: M( ?* t; S M, U3 R; h0 Z0 y - unsigned char m,n;
" u2 \, |" T% M$ Z8 N' v- f - for(m=0;m<8;m++)0 R3 U0 p8 M2 p, T$ @. N- Z" H
- {
- Z- Y$ B* D' M/ K# P - OLED_WR_Byte(0xb0+m,0); //page0-page1
0 b, i5 Q$ X6 | - OLED_WR_Byte(0x00,0); //low column start address' U# _' a/ p8 ~: _: v* P
- OLED_WR_Byte(0x10,0); //high column start address$ t+ [3 r1 g& N. Z
- for(n=0;n<128;n++)
3 c+ a" S5 m# w/ H5 s9 N - {) a- E/ ^, ~& \* _( ^ j
- OLED_WR_Byte(fill_Data,1);
0 H8 ]$ ^" H% {4 I' A: B$ o' {! Q - }6 D7 Z/ U' I: [' {! Q: U# e9 }
- }6 H4 M H1 [7 W
- }. A8 \5 |8 ]8 d7 h9 P! }
" `) \6 V5 `* Z! o) o5 A- l
: ?4 N/ x! ]8 q$ G- U- /***********************Delay****************************************/
: Z$ ~* Q: f7 m& G6 t } - void Delay_50ms(unsigned int Del_50ms)0 j! Y1 ?' M# u$ o J2 v
- { P9 j; k, Z3 E$ S% P
- unsigned int m;% v: s1 b+ E, ^# s( T& t/ ^
- for(;Del_50ms>0;Del_50ms--)( Z/ r2 T5 K! w5 w/ W
- for(m=6245;m>0;m--);4 Z9 ?- A4 J; j7 }* w
- }3 ]& _. F$ _) v/ N3 Y- M" d
/ C. u4 _' H4 c: r3 V6 {( R2 |- void Delay_1ms(unsigned int Del_1ms), y) f) X, n4 w+ S
- {: K2 w2 [) I' H: A' m2 M! R
- unsigned char j;: B- P$ ~: M% G
- while(Del_1ms--)
' u6 E. J L; N# ~ - {
* o! a& A: ~0 ]; s - for(j=0;j<123;j++);
}2 B. }9 D/ b4 L5 B+ u - }: m2 v: r! \8 p; n9 `
- }- _% J0 ]$ y$ h, m, q
- 1 t- r$ L Z: ?. e. Z
- //坐标显示6 T0 u, V8 P5 L2 U- x
; ^ ^6 G1 f* w o0 o- Y* ^8 a- void OLED_Set_Pos(unsigned char x, unsigned char y)
0 q" r$ M" {$ X; i% P - { OLED_WR_Byte(0xb0+y,OLED_CMD);
% M! a! y! X2 Q& b - OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);) c! |4 B$ V# L
- OLED_WR_Byte((x&0x0f),OLED_CMD); & e( P) n/ @ n
- }
: w o7 o1 S$ z5 I- }/ M - //开启OLED显示 4 ~! t1 z: l% `# P; y) ^
- void OLED_Display_On(void)
. k+ H+ Y+ X) H4 c3 L - {" y. r- k6 b- G2 H7 N. B7 J r9 s
- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî& ?5 p( J: l; L1 o( k, n
- OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON- H) o, W8 G/ h, J2 ~& |$ K0 t- \
- OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON
6 P7 C, L E2 n7 z" a! A F - }
+ z2 @/ Q3 w) X' j7 N, Y - //关闭OLED显示
2 m8 B! e f4 y" } - void OLED_Display_Off(void) ]9 Z- J; z0 U/ h# Z/ a/ }
- {5 g3 y/ Z [% R) b9 u# A
- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî' G: d% \$ q$ }$ K) o
- OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF
m, }4 Q7 N9 s- Z% u - OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF
. y M! p9 c1 o- g2 c- M7 U - }
& g2 v* @1 F2 H8 p0 |- i - //清屏函数 & {8 l/ [& k; X
- void OLED_Clear(void)
Q! `6 A) Q7 @ - { % p5 S+ D/ a# p, q ^6 M
- u8 i,n;
9 [- Q( j/ j( K# s6 P% F7 R g4 x - for(i=0;i<8;i++)
8 ?3 ^3 I) p4 q- ?+ b( A% Q3 H - {
3 B. U, p- l, n% u- _+ A3 | - OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©
6 l- h! J7 F2 Z - OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·' Z9 d5 r4 a7 H4 e9 J
- OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ·
" N3 g% M4 W* T" J. [ - for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); # u7 j: ]* g0 U3 l' \) C) @
- } //更新显示
& \" ^: b: h% s; D5 _ - }
' q9 Q$ `3 G5 Q# o4 Z - void OLED_On(void)
3 h0 t/ n7 ?+ G - {
- Q* g6 S0 l1 Y9 ~ u$ L& q - u8 i,n; ' H2 `& E6 Q) d. S4 w- T/ Z
- for(i=0;i<8;i++) ; ]6 \$ `, o5 W% g1 ~: w/ z# ` ]
- {
! t$ `2 Z& q# b& V( ^. a* C3 N - OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©3 r& E6 _7 r3 _- a* [6 N2 R
- OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·
; P" N" z1 q- e; M8 u) L( \4 ` - OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ·
4 o2 q* {) D6 C4 g - for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA);
, }4 ^) Q; k# _# z) Z) Q - } //更新显示 d0 r" l( V/ @ U$ P* E$ L2 }
- }
" v2 p y- A% l+ @* m - //在指定位置显示一个字符, @; W4 C4 {0 {5 D4 B4 g
- //x:0~127
1 H& P# p2 v; ~& l8 q' R - //y:0~63& G. _8 p1 Q, \! R/ L7 T* L2 g& m$ p
- //mode: 0反白显示 1正常显示 , d# `# g' Y& U
- //size:选择字体16/12
! Q, M! @$ O' T+ K! X! f% | - void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size): X* |. T* K2 a% L
- { : i& ?! I: `( D9 f
- unsigned char c=0,i=0; ) s6 W* \* V6 s$ U9 Q) A6 Y) E) B! Y; I; s
- c=chr-' ';//得到偏移后的值 4 D( [) |! u: C8 x
- if(x>Max_Column-1){x=0;y=y+2;}
% r8 q F: g" T1 ]: |; R Q - if(Char_Size ==16)) i& m* }' P" q* F% i* b' Z' R# B
- {
) ]+ j3 t& u% X' N S% e - OLED_Set_Pos(x,y); 3 q1 U) W2 c1 e
- for(i=0;i<8;i++)" e; L: g0 E) M. I0 R6 O5 T
- OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);8 n9 b5 s& p2 @8 a! R3 k
- OLED_Set_Pos(x,y+1);$ v0 l" O! D* d# ^2 h4 U5 N% c
- for(i=0;i<8;i++)
7 k$ g; x8 f" Y - OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);0 h1 M l' l) N2 H5 X
- }+ i) p) ]. p1 h' b3 ~
- else {
! A0 \5 b: i; `% z! `: b6 n - OLED_Set_Pos(x,y);
& P$ E5 f* C, I9 K W - for(i=0;i<6;i++)
" C; R$ v' B" Z3 n x - OLED_WR_Byte(F6x8[c][i],OLED_DATA);
1 D# S6 c, m, e2 }9 [& @$ m' R -
4 d; w% C0 A3 U7 S. s - }) o: ^: P& \0 z0 A
- }7 `" v; |% n3 \
- //m^n函数
6 B$ x+ ?. q6 L, d - u32 oled_pow(u8 m,u8 n)
3 x! e! ^5 ^% u' _! ? - {
# j8 x* Z9 L o7 m; G6 [: k - u32 result=1; # C3 s. `+ [( b, \8 @8 U; \
- while(n--)result*=m;
0 [+ k/ L: h6 A1 X2 A3 A, Q - return result;6 }0 p$ B! |5 M; U3 Y
- } & P+ x H6 `! V
- //显示两个数字
/ }0 L- U. s8 h - //x,y :起点坐标
# z. F5 q' ^1 Z; d6 I - //len :数字的位数
4 z/ A: h% w" M$ B" w: M - //size:字体的大小5 s X0 _1 @# j" k0 S T- v6 l
- //mode:0填充模式 1叠加模式$ M0 n h& i7 B3 h! R8 j5 P
- //num:数值(0~4294967295); - ~8 o2 C. S9 u5 H1 ?' {5 J
- void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
+ |" Y3 u& c: X1 | - { 9 Z9 w5 V: o- H f8 M* U2 ^+ h2 R. W
- u8 t,temp;
8 _5 x2 L' ^- `0 N - u8 enshow=0;
# z4 T- M4 y+ v - for(t=0;t<len;t++)3 H# U$ x5 z3 K4 R% m+ ]! X
- {* y# b. Q0 s7 T, @
- temp=(num/oled_pow(10,len-t-1))%10;
1 ?5 s0 y8 Z, i, v o) {: E# I3 N* T - if(enshow==0&&t<(len-1))
; Z" W! ]' e, I3 M* T - {
9 c1 @$ m9 ^2 w9 B5 D, e - if(temp==0)
6 {0 n4 a: f- z( J2 _- v - {' M( G) i9 j! H, T
- OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
' k+ v3 A! V+ X- u4 _6 P+ A9 k - continue;0 }% F" q" z6 c
- }else enshow=1;
& K& z: i; b1 G/ Z% t - ! r" \4 P$ Z, h) L& g! K
- }3 i: B! J/ b# m7 A4 Q. D' s& X$ ^
- OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2); / q( r" ~8 ?7 d+ y8 r, C& D) V
- }5 j4 B. f* M5 F1 q; v6 I
- } & b* `- U* c( Y' ~! y( C! @
- //显示一个字符
1 q6 H2 J/ \$ g3 y" Z - void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)9 |/ K) M2 {. x) }' P
- {
4 r9 T2 ?1 |$ q3 _) i8 Q; y - unsigned char j=0;$ [0 t4 q2 q z8 Z
- while (chr[j]!='\0')
; _& m- @0 V8 e - { OLED_ShowChar(x,y,chr[j],Char_Size);: S" }- {& S3 Z8 J5 I7 m: W
- x+=8;
- _6 {$ F$ O: u8 L }, X" j - if(x>120){x=0;y+=2;}9 K( o b1 @1 _& b5 F
- j++;5 l/ Z: \/ ~5 ~) b; ^. Y* W; ^7 N
- }: k1 l6 v$ a) E
- }
8 Q4 } O! _+ b( h - //显示汉字; I6 f4 _$ Z# J% Z( a, e- [; N4 R
- void OLED_ShowCHinese(u8 x,u8 y,u8 no)
" r8 {( _2 B5 m0 I: Y# Z8 T - { / ]( Q+ Z# A" N7 k# J# u
- u8 t,adder=0;
2 Z }5 N2 @; f& Z% D( C - OLED_Set_Pos(x,y);
' ?/ w4 c9 J$ A( ^9 j0 p$ ` - for(t=0;t<16;t++)
M2 Z3 R' |! l' A - {
. K! o/ a. k, t, S3 ` - OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);
& ]' r# T1 W% F: o - adder+=1;4 E* o6 Q6 p" _4 J
- } , x, p7 r4 k- i4 B
- OLED_Set_Pos(x,y+1);
, F$ P5 @2 H3 i - for(t=0;t<16;t++)
& t) n8 a6 S6 l - {
6 P1 e, A& a. ]' f: K- c - OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);
4 _, |6 I: R$ Z! O8 K/ O - adder+=1;
: o) {$ h1 a3 t4 G/ u; _; Q4 B1 F - } 2 ^: r, ~7 P0 i9 z
- }7 m0 q* }1 W; T- }
- /***********显示BMP图片*****************/
7 l4 V0 L) \2 w# c# ?5 V - void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])3 R5 I" g$ c4 R4 S2 H
- {
+ h0 Q; c# z. e- K ?& a, n! J9 L - unsigned int j=0;+ ~, s3 c% W/ b h7 K
- unsigned char x,y;5 F9 U# V+ Q& o+ E F, r
- * }) q- Z2 ~) r
- if(y1%8==0) y=y1/8; ' e `% @6 I( q. l `) B
- else y=y1/8+1;
, N9 x5 f3 _3 k; F$ B' M: i | - for(y=y0;y<y1;y++)
/ P3 w. p% _; L/ ? - {0 E2 W1 Q$ N) x% |$ k: r
- OLED_Set_Pos(x0,y);4 m0 ~: X" J" l% C/ y" V' ?
- for(x=x0;x<x1;x++)9 v1 K% \) B b4 v+ ?
- {
+ ^" O8 G7 b$ k( V5 s - OLED_WR_Byte(BMP[j++],OLED_DATA); + m' a* |& y; W" F! s. j
- }
, M6 b* `: S! p) Q% x - }2 I) _& Z* Q" I& \. X, Z, ]. ]
- }
4 g' _6 ?3 Z1 J% ?
' U: }: F# J2 }1 y1 V2 \ p- //初始化SSD1306 5 J6 G3 ]# ?! }* F
- void OLED_Init(void)3 ]" K, k4 _5 f* A
- { 9 F! h( \0 Y3 b5 j2 F1 @4 z) p, L
- * V4 ]+ \" ~/ b9 R
- : I2 q4 Y3 `/ I# L
- GPIO_InitTypeDef GPIO_InitStructure;
: \: K9 O! h6 v& M# ]- J1 \" V -
1 g' G* k2 Z3 B9 I9 O - RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG, ENABLE); //ʹÄÜPC,D,G¶Ë¿ÚʱÖÓ0 C. O: E2 R) K# \ t* B8 C
- $ a7 |4 K4 F1 X, G) S5 K% `; S
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3|GPIO_Pin_8; //PD3,PD6ÍÆÍìÊä³ö ( q+ ~" `9 D$ T
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
* _6 y4 D) W2 H' z - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //速度50HZ
4 q. i) |4 m3 H% j5 J - GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD3,6
# ^: o/ Q1 [" u1 L, r# k - 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
7 D8 ~+ A; _$ e) W5 H% `
- E) p9 A5 M6 W' U7 V; L' h% y- #if OLED_MODE==1
; f) n/ \" z7 }" _ -
4 b) _- X6 ` R! g: k0 Y - GPIO_InitStructure.GPIO_Pin =0xFF; //PC0~7 推挽输出
) `/ }2 [( B2 i5 v; A! i, h - GPIO_Init(GPIOC, &GPIO_InitStructure);
$ k9 ]& B# P- m7 m; J5 a7 R! U' D - GPIO_SetBits(GPIOC,0xFF); //PC0~7输出高+ Z4 K: {# e: H- Z8 Z" ^
- # I: A" x/ \% k" H/ E
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; //PG13,14,15 OUT推挽输出" ^ R0 h7 U* `( n/ y
- GPIO_Init(GPIOG, &GPIO_InitStructure);& `/ m/ a' B. C
- GPIO_SetBits(GPIOG,GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15); //PG13,14,15 OUT 输出高% j# A: S0 B9 ?, p' R" E b
0 K) [( B" x' e5 O' G7 m' E- #else( u- v: q8 o# o! r
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1; //PC0,1 OUT推挽输出
4 D# q: V' z/ ~# Y - GPIO_Init(GPIOC, &GPIO_InitStructure);6 m8 Z' S( a# F' E5 X" N
- GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1); //PC0,1 OUT 输出高& H9 s) o) A2 G( _3 {3 D$ a
: @ B( h; a& Z3 f: A6 h* ^( ^; y- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //PG15 OUT 推挽输出 RST" b3 R4 S2 E* r0 v
- GPIO_Init(GPIOG, &GPIO_InitStructure);
# `2 y: R$ `% P2 w5 V7 h - GPIO_SetBits(GPIOG,GPIO_Pin_15); //PG15 OUT 输出高
, Q* ]0 V9 [* y/ L
/ g! z- Z6 z) x& v4 O9 f9 y! n6 [- . F/ E% S7 ]0 Z7 Q
- #endif% m2 B! C4 S) Y, [
- delay_ms(200);
6 S' h" O+ x# M! u0 x- r, | - 7 I# D4 Z: z* F, q) a
- OLED_WR_Byte(0xAE,OLED_CMD);//--display off+ [+ S+ B7 \, j2 A) |- V/ h
- OLED_WR_Byte(0x00,OLED_CMD);//---set low column address
7 N6 _2 E# Z7 }' O$ S! g; u - OLED_WR_Byte(0x10,OLED_CMD);//---set high column address& d/ p( Z8 j3 K
- OLED_WR_Byte(0x40,OLED_CMD);//--set start line address
0 B. v& k: n3 O' _% | - OLED_WR_Byte(0xB0,OLED_CMD);//--set page address
: b, Z0 ?/ K" u - OLED_WR_Byte(0x81,OLED_CMD); // contract control5 r' q T, W- e) i1 s+ @0 W0 A
- OLED_WR_Byte(0xFF,OLED_CMD);//--128
3 Y+ C. c! C; f/ @+ K) ?# @ - OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap 6 U z0 R. G6 O- j! S% Q) X& P$ R. }
- OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse/ E& k4 j1 o3 B9 f- H
- OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)
. q1 k4 Y* f+ W - OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty
$ k# ~$ H; m1 a. S, G& I' _; | - OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction
' o+ q. r) H2 k) ^$ {. a - OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset! u% f" I* d1 t- U- k
- OLED_WR_Byte(0x00,OLED_CMD);//
0 b2 p" {8 K2 ]4 f: f2 ] - " v: _0 G- [9 v9 c3 e
- OLED_WR_Byte(0xD5,OLED_CMD);//set osc division1 d, _ x! R" l; Y
- OLED_WR_Byte(0x80,OLED_CMD);//
( e- P' e$ |3 x" a1 c, Y# { - ' t( c; S; C# P3 s
- OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off% t" o: A% y& L4 k
- OLED_WR_Byte(0x05,OLED_CMD);//' m$ Y9 {( u' L3 u1 ^
-
5 l @1 N% B4 \% z# W$ x1 k$ o - OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period& ], b3 p) F5 ^3 G+ ^6 }! e) d" r: N
- OLED_WR_Byte(0xF1,OLED_CMD);//
! [5 w- _) Z4 X -
' r& L7 u, r' e4 w - OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion
# V! r8 E# D' H: b; B% A" T- F4 E - OLED_WR_Byte(0x12,OLED_CMD);//; b3 Q5 l( Y7 f0 m5 v) c
- ) `+ B6 L9 ^& Y4 s
- OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh
- s/ R f# A% { - OLED_WR_Byte(0x30,OLED_CMD);//
! k. U% {8 m3 s* q6 D -
- a* H8 a+ F- n* d8 Z - OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable5 A9 O, L9 Z8 q! A1 z7 `( @
- OLED_WR_Byte(0x14,OLED_CMD);/// W2 [' l( n" m# S' r
- ) T8 h3 h! ^6 k+ g/ r y0 Z
- OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel
8 L, |! T e8 S9 l - } . Q: p+ p. X' |9 ^( w: @4 {
- 3 W$ l$ s# I2 X/ z# x
- - B) a7 @8 f% [
复制代码
2 j; f0 j. B% I5 k8 d代码部分结束 总工程文件评论区留下邮箱我会发送
7 L! j2 e' J; I2 N5 b& H6 M1 W2020.12.3
/ P4 v. U% e1 s3 |/ v! a5 |) }! F( U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
$ H* M8 a3 ]! |8 t$ Q- #include "delay.h"
# m6 B% }) r! G% J4 j. }8 S - #include "sys.h"
& a, d1 ^% Z, b( s4 R3 \ - #include "oled.h"
4 b4 s9 B5 M# I+ }* _& Q, X/ j" m0 ? - #include "key.h"8 j c( x4 W( w1 _" O8 `: F% z
- int main(void)
; `8 Q9 i! F# c. [2 y - { / t7 h9 X' |. F f5 H [
- u8 key=0;; T7 | e) v& n% F, S% E
- delay_init(); //延时函数初始化 ' ^. M& a4 Z" n1 ]
- NVIC_Configuration(); //设置nvic中断
; B& `. w4 ~0 D9 ^. o - OLED_Init(); //oled初始化
2 J- h" U* Q5 ?, T2 K4 H1 { - OLED_Clear(); //清屏 " u# F. D v( i1 G0 ~
- KEY_Init(); //按键初始化 4 P5 z) v, W& o& q' t8 ?
-
# c- d2 w$ r1 z -
, u: q- Y0 |2 ?5 g* u5 D - OLED_ShowCHinese(18,0,0);//
7 J1 ?5 g' N9 m% t: @1 S9 p - OLED_ShowCHinese(36,0,1);//$ ^* X7 C: |/ F0 t
- OLED_ShowCHinese(72,0,0);//
! T0 g) e% v8 I, Y6 z- E" a3 ?! q - OLED_ShowCHinese(90,0,1);//
8 r0 ^6 p5 g, T2 x; ]2 h; N - 5 Q( j/ C- f1 Y4 k% g
- while(1)
0 t( [% z5 R @# {! u* Z - {* |0 t% @% s+ e: S: v
- key=KEY_Scan(0); //µÃµ½¼üÖµ
$ x( t; o2 U4 ]# u9 P - // if(key). m \) I- `* Y5 O
- // {
% M$ `/ l$ D& Y) \7 c - switch(key)9 Y2 g; D0 K* a6 L
- { i% t/ R! \ c+ ^0 a$ M
- case WKUP_PRES:
. |: f: ~( [8 l# H7 `- p M6 V - OLED_Init();
. O5 V- T' i0 n9 E+ L - OLED_Clear();
5 r# o2 A" n% ^/ W& k9 O - OLED_ShowCHinese(18,0,2);
B+ E/ f" x4 `/ | - OLED_ShowCHinese(36,0,3);
" C2 }6 |/ S: I- G% g - OLED_ShowCHinese(72,0,4);
; C' Y1 h4 f; l0 X" X0 i$ d - OLED_ShowCHinese(90,0,5);
3 [: o$ b. q) `) r - break; ' |# a! _7 A! y
- case KEY1_PRES:
8 H6 F% j8 ?: j# d& ~! t1 r - OLED_Init();
8 B: i4 v/ |1 c, R* C5 j - OLED_Clear();' g" d# z l: ?% ], P2 N
- OLED_ShowCHinese(18,0,7);9 F' ?: w+ p: [2 g1 W" t
- OLED_ShowCHinese(36,0,8);
" R4 n( x3 J6 X8 P8 U9 _( y - OLED_ShowCHinese(72,0,9);0 _3 m1 ?6 ~ L( C( V1 k0 z
- OLED_ShowCHinese(90,0,10);( P% d6 b! [5 O6 E7 M; Q: i
- break;7 ^0 \; U, O" t, D; }/ @! ~
- case KEY0_PRES:
2 J/ ^* c0 e& ~+ O1 E1 B; ^ - break;6 [2 S/ }5 ^6 v6 S5 @9 N2 z
- }& h) ?. v. E( d7 }3 g
- // }else delay_ms(10); ( z+ y' ?# A5 b1 o6 e r& Y
- }
! {+ B. L6 O+ Z+ H7 u - }
$ z+ t% M9 F3 O, X3 \ -
0 M: e3 P! g1 b+ ?/ p$ z
复制代码 ! _7 K9 r9 N0 `4 H
效果如图
B: Y7 x/ h* Q6 X2 ~5 |' N2 a4 U) z0 u- c. M
" Z3 c& Q* c, C# Y) H8 J( \) C
" x, }# ]3 e. B# \* E9 X
6 O N6 m* ?' j; ^% z
: ]8 k4 P8 }0 a1 x0 F" e% ^3 Q6 K& T9 H& [" a/ x0 j9 F
# t$ a G( k6 `. P
/ @: u% }& d3 ^9 ^, t6 M; J8 w0 @' W5 A4 g; C7 w
完结
& c$ w" T0 [: |1 Q U————————————————* n9 Q& _2 r/ P& e* G8 J9 f
版权声明:文某9! I" B A3 G" \1 d) c
如有侵权请联系删除
1 {' \$ a. T0 T
/ n7 L2 C4 H9 x: G8 H( U @7 B/ v4 c* Y! T9 a @+ ~
|