OLED使用的0.96寸四针屏幕，以下直接看实际操作。
取字模
使用PCtoLCD2002软件提取OLED字模。
注意红色方框的选项内容，不要选错了，选错会导致烧录程序后无法显示。
程序
此为硬件IIC，如果使用过我的模拟IIC控制程序可直接看
void OLED_Write_Command(unsigned char IIC_Command);
void OLED_Write_Data(unsigned char IIC_Data);
这两条函数即可，OLED显示函数主要区别就在这。
mian.c
#include "system.h"
#include "delay.h"
#include "oled.h"
#include "iic1.h"
#include "bmp.h"
int main(void)
{
delay_init();//延时函数初始化
I2C1_Init();
OLED_Init();//初始化OLED
OLED_Clear();
while(1)
{
OLED_ShowCHinese(8,0,0);//显示汉字
OLED_ShowCHinese(26,0,1);
OLED_ShowCHinese(44,0,2);
OLED_ShowCHinese(62,0,3);
OLED_ShowCHinese(78,0,4);
OLED_ShowCHinese(96,0,5);
OLED_ShowString(0,2,"GUANGXIKEJIDAXUE",16);//显示字符串
OLED_ShowString(20,4,"2020/09/02",16);
OLED_ShowString(0,6,"ASCII:",16);
OLED_ShowString(63,6,"CODE:",16);
delay_ms(1000);
OLED_Clear();
OLED_DrawBMP(0,0,128,8,BMP1);//图片显示(图片显示慎用，生成的字表较大，会占用较多空间，FLASH空间8K以下慎用)
delay_ms(1000);
OLED_Clear();
OLED_DrawPoint(10,20,1);//画点
OLED_DrawLine(0,0, 20,20);//画线
OLED_Clear();
}
}
oled.c
主要存放OLED驱动函数。
#include "oled.h"
#include "oledfont.h"
//OLED的显存
//存放格式如下.
//[0]0 1 2 3 ... 127
//[1]0 1 2 3 ... 127
//[2]0 1 2 3 ... 127
//[3]0 1 2 3 ... 127
//[4]0 1 2 3 ... 127
//[5]0 1 2 3 ... 127
//[6]0 1 2 3 ... 127
//[7]0 1 2 3 ... 127
/*
自定义OLED 坐标系如下: 【构建OLED 直角坐标系， x,y轴反置 方便函数运算】
↑y
|
127----------
| |
| |
| |
| |
| |
| |
(0,0)----------→x
63
*/
u8 OLED_GRAM[128][8];
//更新显存到LCD
void OLED_Refresh_Gram(void)
{
u8 i,n;
for(i=0;i<8;i++)
{
OLED_WR_Byte (0xb0+i,0); //设置页地址（0~7）
OLED_WR_Byte (0x00,0); //设置显示位置—列低地址
OLED_WR_Byte (0x10,0); //设置显示位置—列高地址
for(n=0;n<128;n++)
{
OLED_WR_Byte(OLED_GRAM[n][i],1);
}
}
}
/**********************************************
// IIC Write Command
**********************************************/
void OLED_Write_Command(unsigned char IIC_Command)
{
I2C1_Write_Byte(OLED_Address,OLED_Cmd_Address,IIC_Command);
}
/**********************************************
// IIC Write Data
**********************************************/
void OLED_Write_Data(unsigned char IIC_Data)
{
I2C1_Write_Byte(OLED_Address,OLED_Data_Address,IIC_Data);
}
void OLED_WR_Byte(unsigned dat,unsigned cmd)
{
if(cmd)
{
OLED_Write_Data(dat);
}
else
{
OLED_Write_Command(dat);
}
}
/********************************************
// fill_Picture
********************************************/
void fill_picture(unsigned char fill_Data)
{
unsigned char m,n;
for(m=0;m<8;m++)
{
OLED_WR_Byte(0xb0+m,0); //page0-page1
OLED_WR_Byte(0x00,0); //low column start address
OLED_WR_Byte(0x10,0); //high column start address
for(n=0;n<128;n++)
{
OLED_WR_Byte(fill_Data,1);
}
}
}
//坐标设置
void OLED_Set_Pos(unsigned char x, unsigned char y)
{
OLED_WR_Byte(0xb0+y,0);
OLED_WR_Byte(((x&0xf0)>>4)|0x10,0);
OLED_WR_Byte((x&0x0f),0);
}
//开启OLED显示
void OLED_Display_On(void)
{
OLED_WR_Byte(0X8D,0); //SET DCDC命令
OLED_WR_Byte(0X14,0); //DCDC ON
OLED_WR_Byte(0XAF,0); //DISPLAY ON
}
//关闭OLED显示
void OLED_Display_Off(void)
{
OLED_WR_Byte(0X8D,0); //SET DCDC命令
OLED_WR_Byte(0X10,0); //DCDC OFF
OLED_WR_Byte(0XAE,0); //DISPLAY OFF
}
//清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!!
void OLED_Clear(void)
{
u8 i,n;
for(n=0;n<8;n++)
{
for(i=0;i<128;i++)
{
OLED_GRAM[i][n]=0;
}
}
OLED_Refresh_Gram();
for(i=0;i<8;i++)
{
OLED_WR_Byte (0xb0+i,0); //设置页地址（0~7）
OLED_WR_Byte (0x00,0); //设置显示位置—列低地址
OLED_WR_Byte (0x10,0); //设置显示位置—列高地址
for(n=0;n<128;n++)
{
OLED_WR_Byte(0,1);
}
} //更新显示
}
//画点
//x:0~127
//y:0~63
//t:1 填充 0,清空
void OLED_DrawPoint(u8 x,u8 y,u8 t)
{
u8 pos,bx,temp=0;
if(x>127||y>63)
{
return;//超出范围了
}
pos=7-y/8;
bx=y%8;
temp=1<<(7-bx);
if(t)
{
OLED_GRAM[x][pos]|=temp;
}
else
{
OLED_GRAM[x][pos]&=~temp;
}
OLED_Refresh_Gram();
}
//x1,y1,x2,y2 填充区域的对角坐标
//确保x1<=x2;y1<=y2 0<=x1<=127 0<=y1<=63
//dot:0,清空;1,填充
void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot)
{
u8 x,y;
for(x=x1;x<=x2;x++)
{
for(y=y1;y<=y2;y++)
{
OLED_DrawPoint(x,y,dot);
}
}
OLED_Refresh_Gram();//更新显示
}
void OLED_On(void)
{
u8 i,n;
for(i=0;i<8;i++)
{
OLED_WR_Byte (0xb0+i,0); //设置页地址（0~7）
OLED_WR_Byte (0x00,0); //设置显示位置—列低地址
OLED_WR_Byte (0x10,0); //设置显示位置—列高地址
for(n=0;n<128;n++)
{
OLED_WR_Byte(1,1);
}
} //更新显示
}
//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白显示;1,正常显示
//size:选择字体 16/12
void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)
{
unsigned char c=0,i=0;
c=chr-' ';//得到偏移后的值
if(x>128-1)
{
x=0;
y=y+2;
}
if(Char_Size ==16)
{
OLED_Set_Pos(x,y);
for(i=0;i<8;i++)
{
OLED_WR_Byte(F8X16[c*16+i],1);
}
OLED_Set_Pos(x,y+1);
for(i=0;i<8;i++)
{
OLED_WR_Byte(F8X16[c*16+i+8],1);
}
}
else
{
OLED_Set_Pos(x,y);
for(i=0;i<6;i++)
{
OLED_WR_Byte(F6x8[c][i],1);
}
}
}
//m^n函数
u32 oled_pow(u8 m,u8 n)
{
u32 result=1;
while(n--)
{
result*=m;
}
return result;
}
//显示2个数字
//x,y :起点坐标
//len :数字的位数
//size:字体大小
//mode:模式 0,填充模式;1,叠加模式
//num:数值(0~4294967295);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
{
u8 t,temp;
u8 enshow=0;
for(t=0;t<len;t++)
{
temp=(num/oled_pow(10,len-t-1))%10;
if(enshow==0&&t<(len-1))
{
if(temp==0)
{
OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
continue;
}
else
{
enshow=1;
}
}
OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
}
}
//显示一个字符号串
void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)
{
unsigned char j=0;
while (chr[j]!='\0')
{
OLED_ShowChar(x,y,chr[j],Char_Size);
x+=8;
if(x>120)
{
x=0;
y+=2;
}
j++;
}
}
//显示汉字
void OLED_ShowCHinese(u8 x,u8 y,u8 no)
{
u8 t,adder=0;
OLED_Set_Pos(x,y);
for(t=0;t<16;t++)
{
OLED_WR_Byte(Hzk[2*no][t],1);
adder+=1;
}
OLED_Set_Pos(x,y+1);
for(t=0;t<16;t++)
{
OLED_WR_Byte(Hzk[2*no+1][t],1);
adder+=1;
}
}
/***********功能描述：显示显示BMP图片128×64起始点坐标(x,y),x的范围0～127，y为页的范围0～7*****************/
void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])
{
unsigned int j=0;
unsigned char x,y;
if(y1%8==0)
{
y=y1/8;
}
else
{
y=y1/8+1;
}
for(y=y0;y<y1;y++)
{
OLED_Set_Pos(x0,y);
for(x=x0;x<x1;x++)
{
OLED_WR_Byte(BMP[j++],1);
}
}
}
//初始化OLED
void OLED_Init(void)
{
delay_ms(800);
OLED_WR_Byte(0xAE,0);//--display off
OLED_WR_Byte(0x00,0);//---set low column address
OLED_WR_Byte(0x10,0);//---set high column address
OLED_WR_Byte(0x40,0);//--set start line address
OLED_WR_Byte(0xB0,0);//--set page address
OLED_WR_Byte(0x81,0); // contract control
OLED_WR_Byte(0xFF,0);//--128
OLED_WR_Byte(0xA1,0);//set segment remap
OLED_WR_Byte(0xA6,0);//--normal / reverse
OLED_WR_Byte(0xA8,0);//--set multiplex ratio(1 to 64)
OLED_WR_Byte(0x3F,0);//--1/32 duty
OLED_WR_Byte(0xC8,0);//Com scan direction
OLED_WR_Byte(0xD3,0);//-set display offset
OLED_WR_Byte(0x00,0);//
OLED_WR_Byte(0xD5,0);//set osc division
OLED_WR_Byte(0x80,0);//
OLED_WR_Byte(0xD8,0);//set area color mode off
OLED_WR_Byte(0x05,0);//
OLED_WR_Byte(0xD9,0);//Set Pre-Charge Period
OLED_WR_Byte(0xF1,0);//
OLED_WR_Byte(0xDA,0);//set com pin configuartion
OLED_WR_Byte(0x12,0);//
OLED_WR_Byte(0xDB,0);//set Vcomh
OLED_WR_Byte(0x30,0);//
OLED_WR_Byte(0x8D,0);//set charge pump enable
OLED_WR_Byte(0x14,0);//
OLED_WR_Byte(0xAF,0);//--turn on oled panel
}
/* 开机动画 */
void Boot_Animation(void)
{
static u8 x=0,y=0;
for(x = 63;x>=18;x--)
{
OLED_DrawPoint(108-0.7*x,x,1); //画斜线 斜率≈√3/3
OLED_DrawPoint(17 +0.7*x,x,1);
y = 64-x;
OLED_DrawPoint(64-0.7*y,y,1);
OLED_DrawPoint(64+0.7*y,y,1);
OLED_Refresh_Gram(); //更新显示到OLED
}
for(x = 30;x <= 94;x++)
{
OLED_DrawPoint(125-x,47,1);
OLED_DrawPoint(x,18,1);
OLED_Refresh_Gram(); //更新显示到OLED
}
}
/*
连线函数
入口参数：
x1：起点的x坐标；
y1：起点的y坐标；
x2：终点的x坐标；
y2：终点的y坐标；
*/
void OLED_DrawLine(unsigned int x1, unsigned int y1, unsigned int x2,unsigned int y2)
{
unsigned int t;
int xerr=0,yerr=0,delta_x,delta_y,distance;
int incx,incy,uRow,uCol;
delta_x=x2-x1; //计算坐标增量
delta_y=y2-y1;
uRow=x1;
uCol=y1;
if(delta_x>0)incx=1; //设置单步方向
else if(delta_x==0)incx=0;//垂直线
else {incx=-1;delta_x=-delta_x;}
if(delta_y>0)incy=1;
else if(delta_y==0)incy=0;//水平线
else{incy=-1;delta_y=-delta_y;}
if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴
else distance=delta_y;
for(t=0;t<=distance+1;t++ )//画线输出
{
OLED_DrawPoint(uRow,uCol,1);//画点
xerr+=delta_x;
yerr+=delta_y;
if(xerr>distance)
{
xerr-=distance;
uRow+=incx;
}
if(yerr>distance)
{
yerr-=distance;
uCol+=incy;
}
}
}
oled.h
OLED函数头文件，存放函数定义。
#ifndef __OLED_H
#define __OLED_H
#include "sys.h"
#include "delay.h"
#include "math.h"
#include "iic1.h"
#define OLED_Address 0x78
#define OLED_Cmd_Address 0x00
#define OLED_Data_Address 0x40
//OLED控制用函数
void OLED_WR_Byte(unsigned dat,unsigned cmd);
void OLED_Display_On(void);
void OLED_Display_Off(void);
void OLED_Init(void);
void OLED_Clear(void);
void OLED_DrawPoint(u8 x,u8 y,u8 t);
void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot);
void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size);
void OLED_ShowString(u8 x,u8 y, u8 *p,u8 Char_Size);
void OLED_Set_Pos(unsigned char x, unsigned char y);
void OLED_ShowCHinese(u8 x,u8 y,u8 no);
void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[]);
void fill_picture(unsigned char fill_Data);
void OLED_Refresh_Gram(void);
void Boot_Animation(void);
void OLED_DrawCircle(u8 x0,u8 y0,u8 r);
void OLED_DrawLine(unsigned int x1, unsigned int y1, unsigned int x2,unsigned int y2);
void OLED_Write_Command(unsigned char IIC_Command);
void OLED_Write_Data(unsigned char IIC_Data);
#endif
oledfont.h
该头文件为字库的存放位置，字库工具生成的文件存放于此，用于给oled.c文件调用。
#ifndef __OLEDFONT_H
#define __OLEDFONT_H
//常用ASCII表
//偏移量32
//ASCII字符集
//偏移量32
//大小:6*8
/************************************8*8的点阵************************************/
const unsigned char F6x8[][6] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,// sp
0x00, 0x00, 0x00, 0x2f, 0x00, 0x00,// !
0x00, 0x00, 0x07, 0x00, 0x07, 0x00,// "
0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14,// #
0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12,// $
0x00, 0x62, 0x64, 0x08, 0x13, 0x23,// %
0x00, 0x36, 0x49, 0x55, 0x22, 0x50,// &
0x00, 0x00, 0x05, 0x03, 0x00, 0x00,// '
0x00, 0x00, 0x1c, 0x22, 0x41, 0x00,// (
0x00, 0x00, 0x41, 0x22, 0x1c, 0x00,// )
0x00, 0x14, 0x08, 0x3E, 0x08, 0x14,// *
0x00, 0x08, 0x08, 0x3E, 0x08, 0x08,// +
0x00, 0x00, 0x00, 0xA0, 0x60, 0x00,// ,
0x00, 0x08, 0x08, 0x08, 0x08, 0x08,// -
0x00, 0x00, 0x60, 0x60, 0x00, 0x00,// .
0x00, 0x20, 0x10, 0x08, 0x04, 0x02,// /
0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E,// 0
0x00, 0x00, 0x42, 0x7F, 0x40, 0x00,// 1
0x00, 0x42, 0x61, 0x51, 0x49, 0x46,// 2
0x00, 0x21, 0x41, 0x45, 0x4B, 0x31,// 3
0x00, 0x18, 0x14, 0x12, 0x7F, 0x10,// 4
0x00, 0x27, 0x45, 0x45, 0x45, 0x39,// 5
0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
0x00, 0x01, 0x71, 0x09, 0x05, 0x03,// 7
0x00, 0x36, 0x49, 0x49, 0x49, 0x36,// 8
0x00, 0x06, 0x49, 0x49, 0x29, 0x1E,// 9
0x00, 0x00, 0x36, 0x36, 0x00, 0x00,// :
0x00, 0x00, 0x56, 0x36, 0x00, 0x00,// ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00,// <
0x00, 0x14, 0x14, 0x14, 0x14, 0x14,// =
0x00, 0x00, 0x41, 0x22, 0x14, 0x08,// >
0x00, 0x02, 0x01, 0x51, 0x09, 0x06,// ?
0x00, 0x32, 0x49, 0x59, 0x51, 0x3E,// @
0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C,// A
0x00, 0x7F, 0x49, 0x49, 0x49, 0x36,// B
0x00, 0x3E, 0x41, 0x41, 0x41, 0x22,// C
0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C,// D
0x00, 0x7F, 0x49, 0x49, 0x49, 0x41,// E
0x00, 0x7F, 0x09, 0x09, 0x09, 0x01,// F
0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A,// G
0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F,// H
0x00, 0x00, 0x41, 0x7F, 0x41, 0x00,// I
0x00, 0x20, 0x40, 0x41, 0x3F, 0x01,// J
0x00, 0x7F, 0x08, 0x14, 0x22, 0x41,// K
0x00, 0x7F, 0x40, 0x40, 0x40, 0x40,// L
0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F,// M
0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F,// N
0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E,// O
0x00, 0x7F, 0x09, 0x09, 0x09, 0x06,// P
0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
0x00, 0x7F, 0x09, 0x19, 0x29, 0x46,// R
0x00, 0x46, 0x49, 0x49, 0x49, 0x31,// S
0x00, 0x01, 0x01, 0x7F, 0x01, 0x01,// T
0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F,// U
0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F,// V
0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F,// W
0x00, 0x63, 0x14, 0x08, 0x14, 0x63,// X
0x00, 0x07, 0x08, 0x70, 0x08, 0x07,// Y
0x00, 0x61, 0x51, 0x49, 0x45, 0x43,// Z
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00,// [
0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55,// 55
0x00, 0x00, 0x41, 0x41, 0x7F, 0x00,// ]
0x00, 0x04, 0x02, 0x01, 0x02, 0x04,// ^
0x00, 0x40, 0x40, 0x40, 0x40, 0x40,// _
0x00, 0x00, 0x01, 0x02, 0x04, 0x00,// '
0x00, 0x20, 0x54, 0x54, 0x54, 0x78,// a
0x00, 0x7F, 0x48, 0x44, 0x44, 0x38,// b
0x00, 0x38, 0x44, 0x44, 0x44, 0x20,// c
0x00, 0x38, 0x44, 0x44, 0x48, 0x7F,// d
0x00, 0x38, 0x54, 0x54, 0x54, 0x18,// e
0x00, 0x08, 0x7E, 0x09, 0x01, 0x02,// f
0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C,// g
0x00, 0x7F, 0x08, 0x04, 0x04, 0x78,// h
0x00, 0x00, 0x44, 0x7D, 0x40, 0x00,// i
0x00, 0x40, 0x80, 0x84, 0x7D, 0x00,// j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00,// k
0x00, 0x00, 0x41, 0x7F, 0x40, 0x00,// l
0x00, 0x7C, 0x04, 0x18, 0x04, 0x78,// m
0x00, 0x7C, 0x08, 0x04, 0x04, 0x78,// n
0x00, 0x38, 0x44, 0x44, 0x44, 0x38,// o
0x00, 0xFC, 0x24, 0x24, 0x24, 0x18,// p
0x00, 0x18, 0x24, 0x24, 0x18, 0xFC,// q
0x00, 0x7C, 0x08, 0x04, 0x04, 0x08,// r
0x00, 0x48, 0x54, 0x54, 0x54, 0x20,// s
0x00, 0x04, 0x3F, 0x44, 0x40, 0x20,// t
0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C,// u
0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C,// v
0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C,// w
0x00, 0x44, 0x28, 0x10, 0x28, 0x44,// x
0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C,// y
0x00, 0x44, 0x64, 0x54, 0x4C, 0x44,// z
0x14, 0x14, 0x14, 0x14, 0x14, 0x14,// horiz lines
};
/****************************************8*16的点阵************************************/
const unsigned char F8X16[]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0
0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 1
0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 2
0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 3
0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 4
0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 5
0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 6
0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 7
0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 8
0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 9
0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 10
0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 11
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 12
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 13
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 14
0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 15
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 16
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 17
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 18
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 19
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 20
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 21
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 22
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 23
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 24
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 25
0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 26
0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 27
0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 28
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 29
0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//> 30
0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 31
0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 32
0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 33
0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 34
0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 35
0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 36
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 37
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 38
0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 39
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 40
0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 41
0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 42
0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 43
0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 44
0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 45
0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 46
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 47
0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 48
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 49
0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 50
0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 51
0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 52
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 53
0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 54
0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 55
0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 56
0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 57
0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 58
0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 59
0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 60
0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 61
0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 62
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 63
0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 64
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 65
0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 66
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 67
0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 68
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 69
0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 70
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 71
0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 72
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 73
0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 74
0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 75
0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 76
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 77
0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 78
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 79
0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 80
0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 81
0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 82
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 83
0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 84
0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 85
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 86
0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 87
0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 88
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 89
0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 90
0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 91
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 92
0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 93
0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94
};
/****************************************16*16的点阵************************************/
char Hzk[][16]=
{
{0x00,0x00,0xF8,0x08,0x08,0x08,0x08,0x09,0x0E,0x08,0x08,0x08,0x08,0x08,0x00,0x00},
{0x80,0x60,0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"广",0*/
{0x02,0x02,0xE2,0x22,0x22,0xFE,0x22,0x22,0x22,0xFE,0x22,0x22,0xE2,0x02,0x02,0x00},
{0x00,0x00,0xFF,0x48,0x44,0x43,0x40,0x40,0x40,0x43,0x44,0x44,0xFF,0x00,0x00,0x00},/*"西",1*/
{0x24,0x24,0xA4,0xFE,0xA3,0x22,0x00,0x22,0xCC,0x00,0x00,0xFF,0x00,0x00,0x00,0x00},
{0x08,0x06,0x01,0xFF,0x00,0x01,0x04,0x04,0x04,0x04,0x04,0xFF,0x02,0x02,0x02,0x00},/*"科",2*/
{0x10,0x10,0x10,0xFF,0x10,0x90,0x08,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x08,0x00},
{0x04,0x44,0x82,0x7F,0x01,0x80,0x80,0x40,0x43,0x2C,0x10,0x28,0x46,0x81,0x80,0x00},/*"技",3*/
{0x20,0x20,0x20,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00},
{0x80,0x80,0x40,0x20,0x10,0x0C,0x03,0x00,0x03,0x0C,0x10,0x20,0x40,0x80,0x80,0x00},/*"大",4*/
{0x40,0x30,0x11,0x96,0x90,0x90,0x91,0x96,0x90,0x90,0x98,0x14,0x13,0x50,0x30,0x00},
{0x04,0x04,0x04,0x04,0x04,0x44,0x84,0x7E,0x06,0x05,0x04,0x04,0x04,0x04,0x04,0x00},/*"学",5*/
};
#endif
bmp.h
存放图片库。
//
//
//
//存储图片数据，图片大小为64*32像素
//
/
#ifndef __BMP_H
#define __BMP_H
unsigned char BMP1[] =
{0x00,0x06,0x0A,0xFE,0x0A,0xC6,0x00,0xE0,0x00,0xF0,0x00,0xF8,0x00,0x00,0x00,0x00,
0x00,0x00,0xFE,0x7D,0xBB,0xC7,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xC7,0xBB,0x7D,
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};
#endif
IIC1.c
这是STM32F103自带的IIC资源，如需修改IO口可以参照IIC1的初始化方式修改为IIC2。需要注意的是硬件IIC接口不能不能像模拟IIC那样随意更改。
#include "iic1.h"
void I2C1_Init(void)
{
/***I2C端口定义***/
GPIO_InitTypeDef GPIO_InitStructure; //定义GPIO结构体
I2C_InitTypeDef I2C_InitStruct; //I2C结构体初始化
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //打开GPIO
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); //打开复用
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1,ENABLE); //I2C1的时钟时能
GPIO_InitStructure.GPIO_Pin=GPIO_Pin_6|GPIO_Pin_7; //设置GPIO的管脚
GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; //设置GPIO的管脚最大频率
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_OD; //开漏输出复用功能
GPIO_Init(GPIOB,&GPIO_InitStructure); //GPIO设置初始化
I2C_DeInit(I2C1); //对I2C进行寄存器初始化
I2C_InitStruct.I2C_Mode = I2C_Mode_I2C; //设置I2C模式为I2C模式
I2C_InitStruct.I2C_DutyCycle = I2C_DutyCycle_2; //I2C占空比
I2C_InitStruct.I2C_OwnAddress1 =0x30; //设置stm32自己的地址
I2C_InitStruct.I2C_Ack = I2C_Ack_Enable; //允许I2C应答
I2C_InitStruct.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit; //应答7位地址
I2C_InitStruct.I2C_ClockSpeed = 1000000; //设置数据传输速度为HZ（0-3000 000）
I2C_Cmd(I2C1, ENABLE); //允许I2C1
I2C_Init(I2C1, &I2C_InitStruct); //I2C1初始化
I2C_AcknowledgeConfig(I2C1,ENABLE); //允许一字节一应答模式
}
/*
device_address：设备地址
register_address：寄存器地址
data：数据
*/
void I2C1_Write_Byte(u8 device_address,u8 register_address,u8 data)
{
while(I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY)); //检测总线是否忙 就是看 SCL 或SDA是否为 低
I2C_AcknowledgeConfig(I2C1,ENABLE); //允许接受应答
I2C_GenerateSTART(I2C1,ENABLE); //发送start信号
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_MODE_SELECT)); //stm32设置为主模式完毕
I2C_Send7bitAddress(I2C1,device_address,I2C_Direction_Transmitter); //发送I2C器件地址
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)); //I2C地址发送完毕
I2C_SendData(I2C1,register_address); //发送 命令地址
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_BYTE_TRANSMITTED)); //等待发送完毕
I2C_SendData(I2C1,data); //发送 命令数据
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_BYTE_TRANSMITTED)); //等待发送完毕
I2C_GenerateSTOP(I2C1,ENABLE); //发送stop信号
}
/*
device_address：设备地址
register_address：寄存器地址
*/
u8 I2C1_Read_Data(u8 device_address,u8 register_address)
{
while(I2C_GetFlagStatus(I2C1, I2C_FLAG_BUSY)); //检测总线是否忙 就是看 SCL 或SDA是否为 低
I2C_AcknowledgeConfig(I2C1,ENABLE); //允许接受应答
I2C_GenerateSTART(I2C1,ENABLE); //发送start信号
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_MODE_SELECT)); //stm32设置为主模式完毕
I2C_Send7bitAddress(I2C1,device_address,I2C_Direction_Transmitter); //发送I2C器件地址
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)); //I2C地址发送完毕
I2C_SendData(I2C1,register_address); //发送 命令地址
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_BYTE_TRANSMITTED)); //等待发送完毕
I2C_GenerateSTART(I2C1,ENABLE); //发送start信号
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_MODE_SELECT)); //stm32设置为主模式完毕
I2C_Send7bitAddress(I2C1,device_address,I2C_Direction_Receiver); //发送I2C器件地址
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED)); //I2C地址发送完毕
I2C_AcknowledgeConfig(I2C1,DISABLE); //关闭应答
I2C_GenerateSTOP(I2C1,ENABLE); //产生停止位
while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_BYTE_RECEIVED)); //等待接受完成
return I2C_ReceiveData(I2C1); //将读到数据强制类型转换后返回
}
IIC1.h
#ifndef __IIC1_H__
#define __IIC1_H__
#include "stm32f10x.h"
#include "oled.h"
///*端口设置*/
//#define IIC_SCL PBout(6) //SCLK 时钟
//#define IIC_SDA PBout(7) //SDA 写数据
//#define READ_SDA PBin(7) //SDA 读数据
void I2C1_Init(void);
void I2C1_Write_Byte(u8 device_address,u8 register_address,u8 data);
u8 I2C1_Read_Data(u8 device_address,u8 register_address);
#endif
实现效果
该效果同模拟IIC一样。
源码
链接：https://pan.baidu.com/s/1jQMJbDNYFkA21WFAmkjjNA?pwd=1234
提取码：1234
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模拟IIC控制
模拟IIC通信主要特点是方便移植，任意IO口输出即可。文章来源地址https://www.toymoban.com/news/detail-431014.html
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