最近在研究四针的OLED 先上个效果图5 H. Y0 t% q) m1 o" `
总工程文件评论区留下邮箱我会发送$ S5 ~% Q' x t5 L6 D
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7 r5 S& y1 \1 g) L: l3 J硬件部分
9 e V: e6 v2 T/ I1 x2 N, m: i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), d8 i5 {9 Y. J9 L- X" j
类似这种
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接线部分
- V5 \6 C: B) U& t$ rOLED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)* c) h9 n6 B$ ?( a# P& {4 n
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4 j5 _4 g2 @2 k7 @
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硬件部分结束。0 V8 B m j3 z5 t) {
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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
! t1 Z. C' H; y$ N- M) |- //主c文件4 i3 F/ w0 s7 j6 y. `/ F
- #include "delay.h"( N# X. P* d+ U! w( Q
- #include "sys.h"
: o$ Q. `& V, ~" d% { - #include "oled.h"+ y9 L6 o4 p+ Q. l
- #include "bmp.h"( d; p! s! Y+ |+ M9 R7 D) y% O
- int main(void)) [- N) n+ [% ~) P( _
- { u8 t;2 Q6 L9 q2 x4 q- H2 j" u
- delay_init(); //延时函数初始化 0 ?4 {% z4 L0 a) L- G
- NVIC_Configuration(); //设置NVIC中断 & N% h7 ^& `- J; p. k
- // delay_ms(8000);; I' o0 x7 | V1 }# t; X
- OLED_Init(); X, B. h- k) F# U! }% L4 |
- OLED_Clear() ;
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& T! [- ]! R" m1 J) k Q0 u7 S - //显示汉字
9 Y/ ]. d6 l& ^/ A5 J( o; y& P - OLED_ShowCHinese(18,0,0);//% V* w% B6 w$ t1 X
- OLED_ShowCHinese(36,0,1);//$ _% T/ k: d5 `6 z7 n. m& p( E2 z
- OLED_ShowCHinese(72,0,2);//
" i, M8 a( M! H8 |2 l( b( `1 H - OLED_ShowCHinese(90,0,3);//
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& Q$ }/ S, W6 f2 Z- while(1)
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% j, H& N4 o( A; k/ p - OLED_Clear();
) h& Q- k) X( G$ u! H( C - OLED_ShowCHinese(18,0,0);6 x% b- R( l' ?
- OLED_ShowCHinese(36,0,1);. c2 X0 d9 y/ H1 x1 ?
- OLED_ShowCHinese(72,0,2);: `3 U" l, D. G2 b2 q- A* f
- OLED_ShowCHinese(90,0,3);
, O: B$ j0 b, t7 t+ U9 E. r4 x - OLED_ShowString(6,3,"0.96' OLED TEST",16);7 e" y$ d+ K4 @- V4 R o5 P
) U3 b) S+ c4 b* B4 i4 C0 q- OLED_ShowString(0,6,"ASCII:",16);
2 m& i6 f% L7 g - OLED_ShowString(63,6,"CODE:",16); 6 u% N1 c$ y) h' {: ^! E3 h
- OLED_ShowChar(48,6,t,16);//显示字符
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- if(t>'~')t=' ';
$ D- D, p9 O' @8 S5 E - OLED_ShowNum(103,6,t,3,16);' b; Y! ?. B$ N( a: d( K
- delay_ms(8000);/ ]# Y, n; [; ?. I% u
- delay_ms(8000);
3 p+ ~) V: C* F9 u% _- x) G - delay_ms(8000);/ S/ W! E5 X, v4 F; }, a
- delay_ms(8000);. p9 K5 `! f$ j0 A, D
- delay_ms(8000);& p9 O, P: T K( w) t e
- OLED_DrawBMP(0,0,128,8,BMP1); //显示图片$ }! A$ [( W+ i. L9 b( o$ V
- delay_ms(8000);
* v0 |. \6 k4 W - delay_ms(8000);
+ E. P9 p" a: b; C' j1 A- v. f - delay_ms(8000);
# b+ ~% g: S% f" ? - delay_ms(8000);
0 j" x8 ?6 @0 S* W2 T - OLED_DrawBMP(0,0,128,8,BMP1);. x& _0 B4 z9 u$ I2 w; M
- delay_ms(8000);
# r6 {1 _ F% \2 ] - delay_ms(8000);4 U4 p* L) Y, f6 r/ Y9 a1 `, j8 l: b* O
- delay_ms(8000);
2 j j& p/ P! F - delay_ms(8000);
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- }
' t. C9 x& l3 B" g - //oled c文件8 W4 u9 D/ q; n6 V
- void IIC_Start()+ W# H) p& E, i' f' H* @: O
- {# m9 ?0 v. V$ A" L0 x* _
* {4 N) k+ |) s/ |- OLED_SCLK_Set() ;
( O( P; E) V7 q/ K9 _0 e) \% J - OLED_SDIN_Set();3 ~; i8 L9 y% y% x/ u9 y
- OLED_SDIN_Clr(); o, d) K" @. I# C
- OLED_SCLK_Clr();
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" e, \0 i* W3 u5 g0 v- /**********************************************# Y% g: ?2 z8 D! N. x5 z: I! `
- //IIC Stop
" y* m1 w! b; ^! u7 O5 ?+ [ - **********************************************/
/ C2 J# f+ T. N% a: q - void IIC_Stop()
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& D4 l) V& R0 _, i - OLED_SCLK_Set() ;3 J7 @# [6 |) o) M3 |
- // OLED_SCLK_Clr(); b- o- G. B/ F2 [$ y2 x3 m; v: L
- OLED_SDIN_Clr();8 A4 J6 A% ]" b4 I
- OLED_SDIN_Set();( m" {4 \' a9 w4 l# a. B
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- }
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& y* j; M" k1 T- _- void IIC_Wait_Ack()8 Y" R& s" g' L- j4 {" v9 r
- {
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- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为上拉输入8 ?4 v# y6 ^. W, ?9 `+ d
- //GPIOB->CRH |= 0x00080000;) s+ n4 Z% \2 |0 R' ]
- // OLED_SDA = 1;( w" c! x& d0 @6 @) J/ w
- // delay_us(1);" I# P- d {& v* _( ?3 \
- //OLED_SCL = 1;
* h6 r' }! u1 Y0 s+ B - //delay_us(50000);
0 Q6 q$ ~# c4 q2 q3 o; A - /* while(1)
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4 a, i" J t4 X! ?- |) T" x- c! m. z - if(!OLED_SDA) //判断是否接收到应答6 t# B* v" W' V
- {, q8 d a+ Q& Z) G3 t! c
- //GPIOB->CRH &= 0XFFF0FFFF; //设置PB12为推挽输出9 n8 y" p9 @7 V1 N R/ A
- //GPIOB->CRH |= 0x00030000;- F8 `" X- i/ ~9 V* U+ s2 d k* W
- return;
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- */
2 u8 O4 g5 y! q+ @6 d& k) } - OLED_SCLK_Set() ;
: C2 v( {6 {# F* m1 @) w H2 l7 k - OLED_SCLK_Clr();
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# q" t- i' E0 m - /**********************************************# k& [& E; s. B7 H3 S
- // IIC Write byte
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) q" [6 F8 n/ H" o# h- void Write_IIC_Byte(unsigned char IIC_Byte)
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- unsigned char i;) ]/ R% m6 t5 U* I7 d6 \2 l5 k$ e
- unsigned char m,da;
, q) y9 S0 d3 c' ]; ^" k; S( N - da=IIC_Byte;( l x5 D, r7 H* |6 ?
- OLED_SCLK_Clr();
n; M5 Q. F1 `# N+ ?3 R - for(i=0;i<8;i++)
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- m=da;* L# g5 i# }7 H! d$ `
- // OLED_SCLK_Clr();4 \! p0 \8 E, q7 K
- m=m&0x80;8 Q9 }- Q- \# w. P N
- if(m==0x80)
. Y: u! l, H& U - {OLED_SDIN_Set();}
8 C5 w# \4 i: {5 C - else OLED_SDIN_Clr();
& |, W: ?, z. ]7 [ - da=da<<1;
4 G7 a/ ? n1 q- K' t) S2 v8 f - OLED_SCLK_Set();! } e2 H: o8 h9 c) `
- OLED_SCLK_Clr();
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/ u4 D2 F7 X7 N: B6 `- void Write_IIC_Command(unsigned char IIC_Command)
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" ^" o6 C: h6 { ?/ R - IIC_Start();
7 t7 X4 Y: I0 h/ p5 I8 B/ u - Write_IIC_Byte(0x78); //Slave address,SA0=0
+ g8 A) x& i; }. X2 P% d# i& Q: [ - IIC_Wait_Ack(); - X0 B* X4 A% w0 J5 G! c) k7 Q
- Write_IIC_Byte(0x00); //write command
8 Q2 t5 ~* L: z; ~) D - IIC_Wait_Ack(); : q3 B/ X( y$ z& r3 G% y
- Write_IIC_Byte(IIC_Command);
( F' w9 ~! c+ h7 } - IIC_Wait_Ack(); 0 Q/ W% ]( ^9 O
- IIC_Stop();
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. V2 m S! S; j4 G - /**********************************************6 D; `) O6 l& ?9 L. z% K! Y
- // IIC Write Data& s4 M; g. Z! Q; O
- **********************************************/4 F5 L) L2 H- g) N' s- E! w
- void Write_IIC_Data(unsigned char IIC_Data)
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- IIC_Start();
" }! i. s$ s% t# X1 s8 w! ?& @ - Write_IIC_Byte(0x78); //D/C#=0; R/W#=0' f$ W C- z* n# w' E9 h
- IIC_Wait_Ack();
: `, b- m$ w; d: z; N - Write_IIC_Byte(0x40); //write data
* Z: g4 d6 G+ i" S7 G ~) @. k - IIC_Wait_Ack();
/ f/ J# ^3 a6 d+ ]9 M5 k9 M - Write_IIC_Byte(IIC_Data);+ k b$ w! L* e$ Z/ N$ |: Y
- IIC_Wait_Ack();
9 v5 L- g0 I! J8 X: X T - IIC_Stop();1 G! J2 }) F! i; M
- }
3 }$ ]- R$ r0 n! R } - void OLED_WR_Byte(unsigned dat,unsigned cmd)
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- if(cmd); K8 t6 {- O5 j1 T( O5 Q
- {
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- Write_IIC_Data(dat);; P# y3 W9 A5 I+ m
-
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% ~) L" k' H( }) z# t - else {
- ~1 Y# x* t; Y/ S/ D - Write_IIC_Command(dat);
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- }
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% L* ]# F5 O% j* I0 o- /********************************************
6 q7 b5 t, J S* y3 z& E& X - // fill_Picture Z- m: G: J3 q
- ********************************************/% ? Y4 U/ |* D! S- X- {
- void fill_picture(unsigned char fill_Data)9 J9 g/ ]* A! t8 p; q
- {4 y: q! @- J3 ]; i* S
- unsigned char m,n;0 Y' w& w6 K$ s# N* T4 I# H
- for(m=0;m<8;m++)
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- OLED_WR_Byte(0xb0+m,0); //page0-page1& W3 ?/ K! z; [: Q9 v0 q+ I
- OLED_WR_Byte(0x00,0); //low column start address
$ g+ P( l6 ?1 P* \ B5 E* E - OLED_WR_Byte(0x10,0); //high column start address) U' D+ I1 d( B4 k" j
- for(n=0;n<128;n++)
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. ]: h, A5 a7 U2 K5 [! H - OLED_WR_Byte(fill_Data,1);
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- /***********************Delay****************************************/
& b4 U+ d, i( B. Y4 L - void Delay_50ms(unsigned int Del_50ms)
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- unsigned int m;
1 K3 r s9 b# a* a - for(;Del_50ms>0;Del_50ms--)
9 J3 m' N$ W) }4 G! \: X( l - for(m=6245;m>0;m--);
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+ `$ f2 ]$ k D% g5 D, |0 A- void Delay_1ms(unsigned int Del_1ms)
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- unsigned char j;
; y0 y6 z# s. b. m! a - while(Del_1ms--)7 B0 M+ h8 }2 j* T ~* d+ V
- {
! Z1 x5 A. C( V7 d2 c$ L - for(j=0;j<123;j++);1 j7 P+ d* p- C8 [
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- //坐标显示
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& D3 r. ?0 b- [( O- void OLED_Set_Pos(unsigned char x, unsigned char y) 1 q( J1 N9 h! e, q5 q* x% L7 m
- { OLED_WR_Byte(0xb0+y,OLED_CMD);
' i3 c$ ?6 ~4 c& g7 d' Y | - OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);" p) I5 @ O- M# S! o0 ?
- OLED_WR_Byte((x&0x0f),OLED_CMD); ; M. \& A+ L; f) n
- } & U' {. u6 f J( U. }
- //开启OLED显示 ; I* P& m: U& P8 D1 a8 R3 M
- void OLED_Display_On(void)2 B0 B K4 E! n0 Z
- {* a- \6 W9 S" I4 t
- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî3 H; ] _0 g) ?7 k! ]- j. R' |% t
- OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON
8 X9 y% X. }" z/ U- L - OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON
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+ P; o9 R- P. \, m, c: } - //关闭OLED显示 : h* M$ v' u; _- k/ L, u# M
- void OLED_Display_Off(void), r: A4 ^* a5 _
- {
1 Q% x( _5 w. z - OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDCÃüÁî) s; l, \/ \3 T
- OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF
& Q0 J2 K) w0 I+ @ N7 V - OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF
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{6 A9 I. b8 f4 e- C - //清屏函数 0 X7 B0 H4 a+ H' x
- void OLED_Clear(void)
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2 t- t8 n: _6 _6 i - for(i=0;i<8;i++)
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6 L# ?4 [/ }- j. h5 v7 d, m - OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©! R/ S( o% o0 W: ?( F
- OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·
7 f5 A) X! Q, L6 O G# r - OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ·
3 V" L( O/ R" Z% `0 z - for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); ' P* M* x( p' \5 H: A* y
- } //更新显示
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- void OLED_On(void)
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- for(i=0;i<8;i++)
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- OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©5 o5 B+ P# ^$ }5 R& y
- OLED_WR_Byte (0x00,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁе͵ØÖ·( y/ V# s/ J" Z+ v
- OLED_WR_Byte (0x10,OLED_CMD); //ÉèÖÃÏÔʾλÖáªÁиߵØÖ· ) x+ {- Q+ s% M3 s2 o5 V
- for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA); ; R; C. E( m6 p2 V$ i! K
- } //更新显示
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, }" g* g" q4 i9 |. Q2 q7 } - //在指定位置显示一个字符7 m. }$ z6 x2 m4 v% m d7 o
- //x:0~1275 z% m |8 Q( d* O8 b2 K/ B
- //y:0~639 v5 s9 u" A$ i" P) Z: `5 [
- //mode: 0反白显示 1正常显示 4 d* X# c& ?' K3 S$ q4 j! \! h9 L' @
- //size:选择字体16/12 4 z8 y1 U( L e6 H- }5 L9 [
- void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)
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- unsigned char c=0,i=0; r( F+ c$ F o9 L% v
- c=chr-' ';//得到偏移后的值
$ @+ l' j5 }' z2 q1 | - if(x>Max_Column-1){x=0;y=y+2;}% s. Z0 ?' B& W2 V8 l5 A
- if(Char_Size ==16)" G8 |, r, k# f4 T/ I A
- {# y8 \$ c; \. {
- OLED_Set_Pos(x,y);
' M/ o$ \9 q/ Z1 k" D# ? - for(i=0;i<8;i++)) H1 V5 H3 E0 y
- OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
. m* I( }- R" W2 B6 Q9 | - OLED_Set_Pos(x,y+1); Z$ z+ B$ {- h% c( R' n' o
- for(i=0;i<8;i++)1 L1 d6 g7 _' y9 j6 S" _
- OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);% V" D! U0 d6 N2 x( D
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- else {
+ W7 W# ?6 K+ ]# o! I9 h, v - OLED_Set_Pos(x,y);3 ?: F& E6 h" y3 A5 o) i
- for(i=0;i<6;i++)
8 e. h; {& c* ? - OLED_WR_Byte(F6x8[c][i],OLED_DATA);
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- }
/ U# X ^) L3 q2 u7 ~# Y - //m^n函数8 i% O% O& O1 b# ?1 F3 p4 U
- u32 oled_pow(u8 m,u8 n)! g, V; Z& h) r- G8 U% p7 C1 c
- {
2 T2 K" _- x4 v% v9 q9 Y/ d- t - u32 result=1; 5 d' Y M: r" K5 H- N+ ]
- while(n--)result*=m;
, x+ H7 h. N8 K! E4 r4 ?+ R" w - return result;
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- //显示两个数字4 \" M; G# _( R0 v0 s7 e; @
- //x,y :起点坐标
+ i R: }* Q& H2 v - //len :数字的位数! |: M! Q" W/ {$ l0 l
- //size:字体的大小
* d/ n# N$ h& I3 s7 L - //mode:0填充模式 1叠加模式
4 A2 z- b9 _3 p& P p - //num:数值(0~4294967295); 3 P# p! o6 t( x. W' q
- void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
' D, D: N8 F1 j/ \ - {
: |' {2 l2 z0 b Q }$ a - u8 t,temp;
% d) b8 b5 n$ s. n* x - u8 enshow=0;
' F( g! F# Q& ?- M1 S+ q - for(t=0;t<len;t++)) K/ u& P7 T& s* ^ W' U
- {
+ o9 {# J) A) }$ g" V - temp=(num/oled_pow(10,len-t-1))%10;
) X" C1 T* C3 ] - if(enshow==0&&t<(len-1))
, ?! u' J& I* i, G$ C6 L - {) R8 [ z m% i1 f, V2 F9 k9 Y
- if(temp==0)6 V% b7 K; F* u6 {
- {
+ o9 u F4 E, M - OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
4 Z* Z7 m7 O* c - continue;, P+ O( E+ A- g" g$ {- K
- }else enshow=1;
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- OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
) ?0 `0 [5 j' S5 ~) |/ @; | - }
* y1 A* Z2 Z9 d* X+ ? - }
; M" i4 g( k G8 S5 Q$ S# w - //显示一个字符$ [2 D; n9 c& J% E' f
- void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)
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8 W" g" \/ [+ R- [' u% d - unsigned char j=0;
6 C: n/ L, Z& h2 y4 U) Q - while (chr[j]!='\0')
. j) q: E, n# C4 P# e* x - { OLED_ShowChar(x,y,chr[j],Char_Size);
, f/ S& { R+ L9 U( |6 Z3 T- R" O+ @ - x+=8;) e+ r' V" [1 O$ F# {
- if(x>120){x=0;y+=2;}
- h* x$ a3 w7 q& Z2 s3 c1 d/ e% @) v - j++;
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- } T' q; X& y6 D$ [( B
- //显示汉字
8 ]% _* D2 X& h8 U. X2 ? - void OLED_ShowCHinese(u8 x,u8 y,u8 no)( K5 [& @% }" @$ A! T3 x
- { 2 V. E, G, t9 g+ o! A- _
- u8 t,adder=0;
3 |1 A m1 u% g - OLED_Set_Pos(x,y);
: p! r4 u3 z* }" S: g - for(t=0;t<16;t++)
5 N7 W% [: J. y" E - {
9 a% ] J6 Q8 q) v6 s - OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);/ S0 Z T& p2 E' w3 O" U+ h; X8 _
- adder+=1;
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* S( b+ ?7 f2 \+ G+ F- a - OLED_Set_Pos(x,y+1); : {2 m" o2 Q- T( x- o( n
- for(t=0;t<16;t++)
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- OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);9 H$ [+ u2 N# @: |. s$ h( K( H5 S0 R& ?
- adder+=1;; P, j1 F- i7 E' t
- } r2 p. g2 s$ P$ ^6 G6 _0 s) U2 e+ ~
- }- A/ C) q2 h" J5 E
- /***********显示BMP图片*****************/
7 J1 }& u) u. l - void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])
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+ f# y& Z' J M o, y" Z' i - unsigned int j=0;. D: m1 E0 D8 r, q3 X; d7 a+ g, A
- unsigned char x,y;
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- if(y1%8==0) y=y1/8;
. p: `" ?! i9 b8 N$ p( x; U0 W - else y=y1/8+1;
~% V, E6 U+ u# n/ H6 o - for(y=y0;y<y1;y++)
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- OLED_Set_Pos(x0,y);
) S/ z& n, M4 F7 s* @ - for(x=x0;x<x1;x++). M( Q* m' M' @6 z
- { 2 u$ l8 _8 ]) @7 l
- OLED_WR_Byte(BMP[j++],OLED_DATA); # D" e- g# X3 J* G: R4 l
- }
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- //初始化SSD1306 1 f4 @' n5 c( }) q; }( B
- void OLED_Init(void)+ k4 B6 ^. V7 [+ p' y5 [- p6 n+ e- Q
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- GPIO_InitTypeDef GPIO_InitStructure;
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- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOG, ENABLE); //ʹÄÜPC,D,G¶Ë¿ÚʱÖÓ
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- F5 \' ^1 `6 h s5 V: |: B- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_3|GPIO_Pin_8; //PD3,PD6ÍÆÍìÊä³ö
& S5 A& Y2 ?; J; A/ G - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出
5 J3 [9 y' d. J - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //速度50HZ5 x! @0 H! c% u8 \. \2 A8 y& u4 M
- GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化GPIOD3,6
! Z2 A6 [6 S( h1 o! Z1 I$ E - 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 v* m" [9 C9 q3 g7 j& L
- ' w# X4 W: W5 C- A: q1 ]
- #if OLED_MODE==1. ~: E S4 d4 c; f k4 Z7 k) r8 \
-
( l0 N4 N$ V8 U6 r+ J L - GPIO_InitStructure.GPIO_Pin =0xFF; //PC0~7 推挽输出
& }% i+ }/ Z; L, S" l - GPIO_Init(GPIOC, &GPIO_InitStructure);$ y7 X; v% p! v4 B5 S. v$ \
- GPIO_SetBits(GPIOC,0xFF); //PC0~7输出高0 B! a& @4 s1 w4 \# q/ K
- ' V( L: O; F2 z/ H( o |- \2 @
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; //PG13,14,15 OUT推挽输出
3 `$ R5 t5 f8 s) E( v3 Y - GPIO_Init(GPIOG, &GPIO_InitStructure);' L; N& f/ A' Y' y! b: t+ l
- GPIO_SetBits(GPIOG,GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15); //PG13,14,15 OUT 输出高
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- #else
! v$ [7 p j/ f* c$ I1 P5 U; ] - GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1; //PC0,1 OUT推挽输出
6 J5 ^1 \/ X# H/ e: [ - GPIO_Init(GPIOC, &GPIO_InitStructure);
0 L/ @$ P8 o* {/ g" ? - GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1); //PC0,1 OUT 输出高( t/ u9 {9 P1 I {/ M
- 7 b( o: a$ c/ F* G; w* L' B1 C( y
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; //PG15 OUT 推挽输出 RST
) F+ [ M5 L: [, \" e' v$ ] - GPIO_Init(GPIOG, &GPIO_InitStructure);2 F& f7 V) m: S' n6 s
- GPIO_SetBits(GPIOG,GPIO_Pin_15); //PG15 OUT 输出高
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- / ~6 \" S9 |6 v! @
- #endif
1 |( u- | L* e! a. b - delay_ms(200);% v: q6 E5 \1 K8 p
- ) ~% q3 W) o6 Y& l
- OLED_WR_Byte(0xAE,OLED_CMD);//--display off5 }/ R/ [- j$ X$ B; }2 j9 ^# |
- OLED_WR_Byte(0x00,OLED_CMD);//---set low column address
0 ]9 W/ `" K" g* C- L - OLED_WR_Byte(0x10,OLED_CMD);//---set high column address
1 L. {2 {! y( h - OLED_WR_Byte(0x40,OLED_CMD);//--set start line address
: S3 f" C' J5 o; c. D& Z0 X3 N( o% P - OLED_WR_Byte(0xB0,OLED_CMD);//--set page address
" K1 J5 n7 y. G A2 w - OLED_WR_Byte(0x81,OLED_CMD); // contract control
" a) m9 b0 o5 g3 a - OLED_WR_Byte(0xFF,OLED_CMD);//--128 % m! _$ s" s5 n3 ~! @
- OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap
1 @4 _) u6 I# I8 S$ A - OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse- a( z/ q! D$ r3 `/ Z0 _
- OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)$ D! `3 F; I- y8 C% \
- OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty
% Q" S! j' L! Y8 q }: U; l0 V1 X - OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction2 }* I1 c/ o* b8 I1 u+ y
- OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset& ?0 s7 p5 ^: {1 h; C8 c) n& P4 b
- OLED_WR_Byte(0x00,OLED_CMD);//0 ^3 v3 E) l! j) ^/ \" y- E
-
( T4 E' A) I% Q2 F$ | - OLED_WR_Byte(0xD5,OLED_CMD);//set osc division. ]' a) s) ]3 }6 h
- OLED_WR_Byte(0x80,OLED_CMD);//
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1 a- ?6 W( t* _6 N k: a$ j" @ - OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off
% j# w3 O7 J+ J+ e - OLED_WR_Byte(0x05,OLED_CMD);//
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- OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period$ `3 L0 D/ ]! M9 H8 b1 a! y( f
- OLED_WR_Byte(0xF1,OLED_CMD);//$ t+ X/ f- ^: V
-
6 @+ q$ m3 P' H/ R2 V9 ^2 m - OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion
4 R$ o* {8 h2 A, ?; ? - OLED_WR_Byte(0x12,OLED_CMD);//% G+ v3 d. X7 u: L8 s* E
-
/ ~* n* M* w* S9 u4 d; j - OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh
7 `" d! P8 z" k3 k3 W( V. {$ s! F - OLED_WR_Byte(0x30,OLED_CMD);//
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! C; X) o9 h' g+ `# {& q& W% J) n - OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable
& O0 T) X9 B5 D& l* ~4 Y: K- Z, W - OLED_WR_Byte(0x14,OLED_CMD);//! o9 E+ V: D1 F. T o, m' f
- : K3 |* ~, f6 R
- OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel! B1 @, O5 H2 o
- } 3 }! {6 H$ ~$ i0 l: o( J5 L
- " T- p1 q1 j( `6 q: {
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复制代码
, Y( j" ~" Z% ]: Q代码部分结束 总工程文件评论区留下邮箱我会发送* ?% j( @1 E: m3 S/ }! e
2020.12.3
5 q) h- Q4 o, o+ |/ V! j1 L4 @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2 Z4 ^& a& N! ]5 T& I* S* _
- #include "delay.h"
3 Z9 P- |4 s: S O: K% A' `7 y - #include "sys.h"8 l7 Y; ~; Q+ _: p R! b. Q
- #include "oled.h"
: {2 r- i! I( ]0 \. M' \ - #include "key.h"
. g( K' ` W) S& J/ `$ M - int main(void)
. F Y3 E# I+ b) K/ I/ P - {
! k1 y. ~5 N7 r4 e - u8 key=0;
% @; m+ }% x, F$ W3 f0 ^ - delay_init(); //延时函数初始化 3 {3 q" j' u2 v
- NVIC_Configuration(); //设置nvic中断 ) w/ M! |) j$ s+ _4 \& y3 @
- OLED_Init(); //oled初始化
! o+ l# `0 }* x8 H% b! o: X+ s - OLED_Clear(); //清屏
- b. U# B9 O' w$ W$ V - KEY_Init(); //按键初始化 & j6 `7 [/ ~+ b" R
-
" N3 X4 i/ c/ c) Q% r: c v - 7 i0 X# k4 `0 I! ? W8 d
- OLED_ShowCHinese(18,0,0);//
# l5 f K' _& M - OLED_ShowCHinese(36,0,1);//3 A* N) v9 O) H1 l7 e, W
- OLED_ShowCHinese(72,0,0);//
0 |3 t6 D% M) _& n3 {6 i" b0 F - OLED_ShowCHinese(90,0,1);//$ K: _# c9 g0 B: e8 p. b' p1 {
- : z- B6 n* n+ Q& @3 V
- while(1)
1 U8 x+ O3 O( ~' R - {( c `* c8 }: C0 i Q) e
- key=KEY_Scan(0); //µÃµ½¼üÖµ! g( \- ]+ t8 F, Z) h
- // if(key)# K& c( T" u7 p8 o$ {
- // { * p9 t( l: ^3 H5 q" m: W6 C
- switch(key)
3 l, s" {6 Y9 r - {
5 m: E% Y3 W/ }5 w$ O, `* X7 Z - case WKUP_PRES:
/ u3 P% z% h9 @* c3 c - OLED_Init(); 7 x) l) o; A' k2 I
- OLED_Clear();
, Q/ y" F( u5 g+ \; Z$ k3 |5 ] - OLED_ShowCHinese(18,0,2);! R: g. W( L& H9 t
- OLED_ShowCHinese(36,0,3);; V7 A3 O+ Z* Z0 F5 K
- OLED_ShowCHinese(72,0,4);
* R$ ?+ b/ z& Q! a( z. w/ F3 y - OLED_ShowCHinese(90,0,5);- l' d( }/ G, m/ J4 \
- break;
0 }# W- R2 k+ \! B4 R) I( d, X - case KEY1_PRES:
6 S6 l* ^+ l+ p E! d - OLED_Init();
. o9 x; _2 ~% c+ B0 q - OLED_Clear();% f4 L1 v e* R) K- h% B3 s
- OLED_ShowCHinese(18,0,7);# q5 w3 L( T6 z4 g) v2 b
- OLED_ShowCHinese(36,0,8);- y: o( r5 ^1 z5 a, x9 ^
- OLED_ShowCHinese(72,0,9);% e5 s& D- L3 @
- OLED_ShowCHinese(90,0,10);
" C, }! f& h6 w( e - break;( [) c4 z3 ?4 h3 O
- case KEY0_PRES: ?5 v# l& l0 D. Z4 g. q" T3 T
- break;
- d, W: Z! e3 O- F d0 n6 ?8 ] - }- z) e* T+ A$ r1 T- j- O" {5 z
- // }else delay_ms(10);
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- }
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复制代码 ' Z% T2 q$ f5 H4 s1 A$ ~
效果如图7 |5 r6 _1 R3 B6 k
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完结
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9 k8 {! ?7 \; b3 m" L: D7 ?+ D) j版权声明:文某9' Q" B5 U$ M8 H0 Z. x& H
如有侵权请联系删除. \- C1 c& e# H
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