STM32U385RG 测评】+通过IIC驱动OLED显示中英文

只看该作者 · 2025-8-5 22:10

本帖最后由 LiuDW091 于 2025-8-5 22:14 编辑

#申请原创# #有奖活动# #申请开发板#@21小跑堂
本次实验通过IIC驱动OLED屏，显示中英文字符。
使用的是1.3寸的OLED。
一、首先通原理图、数据手册，找到IIC接口的SDA、SCL

二、IDE软件配置
RCC配置

IIC配置

debug配置

三、代码调试
添加OLED的代码
oled.c代码
#include "oled.h"
#include "i2c.h"
#include "oledfont.h"
#include "stm32u3xx_hal.h"
void WriteCmd(unsigned char I2C_Command)//写命令
{
HAL_I2C_Mem_Write(&hi2c2,OLED0561_ADD,COM,I2C_MEMADD_SIZE_8BIT,&I2C_Command,1,100);
}

void WriteDat(unsigned char I2C_Data)//写数据

{
HAL_I2C_Mem_Write(&hi2c2,OLED0561_ADD,DAT,I2C_MEMADD_SIZE_8BIT,&I2C_Data,1,100);
  }

void OLED_Init(void)
{
      HAL_Delay(100); //这里的延时很重要
      WriteCmd(0xAE); //display off
      WriteCmd(0x20);       //Set Memory Addressing Mode
      WriteCmd(0x10);       //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
      WriteCmd(0xb0);       //Set Page Start Address for Page Addressing Mode,0-7
      WriteCmd(0xc8);       //Set COM Output Scan Direction
      WriteCmd(0x00); //---set low column address
      WriteCmd(0x10); //---set high column address
      WriteCmd(0x40); //--set start line address
      WriteCmd(0x81); //--set contrast control register
      WriteCmd(0xff); //亮度调节 0x00~0xff
      WriteCmd(0xa1); //--set segment re-map 0 to 127
      WriteCmd(0xa6); //--set normal display
      WriteCmd(0xa8); //--set multiplex ratio(1 to 64)
      WriteCmd(0x3F); //
      WriteCmd(0xa4); //0xa4,Output follows RAM content;0xa5,Output ignores RAM content
      WriteCmd(0xd3); //-set display offset
      WriteCmd(0x00); //-not offset
      WriteCmd(0xd5); //--set display clock divide ratio/oscillator frequency
      WriteCmd(0xf0); //--set divide ratio
      WriteCmd(0xd9); //--set pre-charge period
      WriteCmd(0x22); //
      WriteCmd(0xda); //--set com pins hardware configuration
      WriteCmd(0x12);
      WriteCmd(0xdb); //--set vcomh
      WriteCmd(0x20); //0x20,0.77xVcc
      WriteCmd(0x8d); //--set DC-DC enable
      WriteCmd(0x14); //
      WriteCmd(0xaf); //--turn on oled panel
}

void OLED_SetPos(unsigned char x, unsigned char y) //设置起始点坐标
{
      WriteCmd(0xb0+y);
      WriteCmd(((x&0xf0)>>4)|0x10);
      WriteCmd((x&0x0f)|0x01);
}

void OLED_Fill(unsigned char fill_Data)//全屏填充
{
      unsigned char m,n;
      for(m=0;m<8;m++)
      {
            WriteCmd(0xb0+m);             //page0-page1
            WriteCmd(0x00);             //low column start address
            WriteCmd(0x10);             //high column start address
            for(n=0;n<128;n++)
                     {
                              WriteDat(fill_Data);
                     }
      }
}

void OLED_CLS(void)//清屏
{
      OLED_Fill(0x00);
}

void OLED_ON(void)
{
      WriteCmd(0X8D);  //设置电荷泵
      WriteCmd(0X14);  //开启电荷泵
      WriteCmd(0XAF);  //OLED唤醒
}

void OLED_OFF(void)
{
      WriteCmd(0X8D);  //设置电荷泵
      WriteCmd(0X10);  //关闭电荷泵
      WriteCmd(0XAE);  //OLED休眠
}

// Parameters    : x,y -- 起始点坐标(x:0~127, y:0~7); ch[] -- 要显示的字符串; TextSize -- 字符大小(1:6*8 ; 2:8*16)
// Description : 显示codetab.h中的ASCII字符,有6*8和8*16可选择
void OLED_ShowStr(unsigned char x, unsigned char y, unsigned char ch[], unsigned char TextSize)
{
      unsigned char c = 0,i = 0,j = 0;
      switch(TextSize)
      {
            case 1:
            {
                     while(ch[j] != '\0')
                     {
                              c = ch[j] - 32;
                              if(x > 126)
                              {
                                    x = 0;
                                    y++;
                              }
                              OLED_SetPos(x,y);
                              for(i=0;i<6;i++)
                                    WriteDat(F6x8[c]);
                              x += 6;
                              j++;
                     }
            }break;
            case 2:
            {
                     while(ch[j] != '\0')
                     {
                              c = ch[j] - 32;
                              if(x > 120)
                              {
                                    x = 0;
                                    y++;
                              }
                              OLED_SetPos(x,y);
                              for(i=0;i<8;i++)
                                    WriteDat(F8X16[c*16+i]);
                              OLED_SetPos(x,y+1);
                              for(i=0;i<8;i++)
                                    WriteDat(F8X16[c*16+i+8]);
                              x += 8;
                              j++;
                     }
            }break;
      }
}

// Parameters    : x,y -- 起始点坐标(x:0~127, y:0~7); N:汉字在.h中的索引
// Description : 显示ASCII_8x16.h中的汉字,16*16点阵
void OLED_ShowCN(unsigned char x, unsigned char y, unsigned char N)
{
      unsigned char wm=0;
      unsigned int  adder=32*N;
      OLED_SetPos(x , y);
      for(wm = 0;wm < 16;wm++)
      {
            WriteDat(F16x16[adder]);
            adder += 1;
      }
      OLED_SetPos(x,y + 1);
      for(wm = 0;wm < 16;wm++)
      {
            WriteDat(F16x16[adder]);
            adder += 1;
      }
}

// Parameters    : x0,y0 -- 起始点坐标(x0:0~127, y0:0~7); x1,y1 -- 起点对角线(结束点)的坐标(x1:1~128,y1:1~8)
// Description : 显示BMP位图
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_SetPos(x0,y);
for(x=x0;x<x1;x++)
            {
                     WriteDat(BMP[j++]);
            }
      }
}

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_SetPos(x,y);
                     for(i=0;i<8;i++)
                     WriteDat(F8X16[c*16+i]);
                     OLED_SetPos(x,y+1);
                     for(i=0;i<8;i++)
                     WriteDat(F8X16[c*16+i+8]);
                     }
                     else {
                              OLED_SetPos(x,y);
                              for(i=0;i<6;i++)
                              WriteDat(F6x8[c]);

                     }
}
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);
      }
}

oled.h代码
#ifndef __OLED_H
#define __OLED_H

#include "i2c.h"

#define u8 uint8_t
#define u32 uint32_t

#define OLED0561_ADD       0x78  // OLED的I2C地址（禁止修改）
#define COM                               0x00  // OLED 指令（禁止修改）
#define DAT                      0x40  // OLED 数据（禁止修改）

void WriteCmd(unsigned char I2C_Command);//写命令
void WriteDat(unsigned char I2C_Data);//写数据
void OLED_Init(void);//初始化
void OLED_SetPos(unsigned char x, unsigned char y);
void OLED_Fill(unsigned char fill_Data);//全屏填充
void OLED_CLS(void);
void OLED_ON(void);
void OLED_OFF(void);
void OLED_ShowStr(unsigned char x, unsigned char y, unsigned char ch[], unsigned char TextSize);//显示字符串
void OLED_ShowCN(unsigned char x, unsigned char y, unsigned char N);//显示汉字
void OLED_DrawBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[]);//显示图片

void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size);
u32 oled_pow(u8 m,u8 n);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2);//size2(16|12)
#endif

字模代码oledfont.h
#ifndef __OLEDFONT_H
#define __OLEDFONT_H
// ------------------  ASCII字模的数据表 ------------------------ //
// 码表从0x20~0x7e                                              //
// 字库:  纵向取模下高位// （调用时要减512）
// -------------------------------------------------------------- //

         unsigned char F16x16[] =
{
      0x04,0x24,0x44,0x84,0x64,0x9C,0x40,0x30,0x0F,0xC8,0x08,0x08,0x28,0x18,0x00,0x00,
      0x10,0x08,0x06,0x01,0x82,0x4C,0x20,0x18,0x06,0x01,0x06,0x18,0x20,0x40,0x80,0x00,/*"欢",0*/

      0x40,0x40,0x42,0xCC,0x00,0x00,0xFC,0x04,0x02,0x00,0xFC,0x04,0x04,0xFC,0x00,0x00,
      0x00,0x40,0x20,0x1F,0x20,0x40,0x4F,0x44,0x42,0x40,0x7F,0x42,0x44,0x43,0x40,0x00,//迎1

      0x40,0x40,0x42,0x44,0x58,0xC0,0x40,0x7F,0x40,0xC0,0x50,0x48,0x46,0x40,0x40,0x00,
      0x80,0x80,0x40,0x20,0x18,0x07,0x00,0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x78,0x00,/*"光",2*/

      0x00,0xF8,0x00,0x00,0xFF,0x40,0x20,0x18,0x0F,0x18,0x68,0x08,0x08,0x08,0x08,0x00,
      0x00,0x1F,0x00,0x00,0xFF,0x00,0x00,0x7F,0x21,0x21,0x3F,0x21,0x21,0x7F,0x00,0x00,/*"临",3*/

      0x40,0x40,0x42,0xCC,0x00,0x40,0x20,0x90,0x0C,0x03,0x0C,0x90,0x20,0x40,0x40,0x00,
      0x00,0x00,0x00,0x7F,0x20,0x10,0x00,0x3F,0x44,0x42,0x41,0x40,0x40,0x70,0x00,0x00,/*论",4*/

      0x20,0x20,0x20,0xFF,0x20,0x20,0x40,0x44,0x44,0x44,0xC4,0x44,0x44,0x44,0x40,0x00,
      0x10,0x30,0x10,0x0F,0x08,0x08,0x20,0x70,0x28,0x26,0x21,0x20,0x28,0x30,0x60,0x00,/*"坛",5*/

};

/************************************6*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
};

unsigned char BMP1[] =
{
         0x00,0x03,0x05,0x09,0x11,0xFF,0x11,0x89,0x05,0xC3,0x00,0xE0,0x00,0xF0,0x00,0xF8,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x44,0x28,0xFF,0x11,0xAA,0x44,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x83,0x01,0x38,0x44,0x82,0x92,
         0x92,0x74,0x01,0x83,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7C,0x44,0xC7,0x01,0x7D,
         0x7D,0x7D,0x7D,0x01,0x7D,0x7D,0x7D,0x7D,0x01,0x7D,0x7D,0x7D,0x7D,0x01,0xFF,0x00,
         0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x00,0x00,0x00,
         0x00,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,
         0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x40,0x40,0x00,0x00,
         0x6D,0x6D,0x6D,0x6D,0x6D,0x00,0x00,0x60,0x60,0x60,0x60,0x60,0x00,0x00,0x40,0x40,
         0x40,0x40,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xDB,0xDB,0xDB,0xDB,0xDB,0x00,0x00,
         0xDB,0xDB,0xDB,0xDB,0xDB,0x00,0x00,0xDB,0xDB,0xDB,0xDB,0xDB,0x00,0x00,0xDB,0xDB,
         0xDB,0xDB,0xDB,0x00,0x00,0xDA,0xDA,0xDA,0xDA,0xDA,0x00,0x00,0xD8,0xD8,0xD8,0xD8,
         0xD8,0x00,0x00,0xC0,0xC0,0xC0,0xC0,0xC0,0x00,0x00,0xC0,0xC0,0xC0,0xC0,0xC0,0x00,
         0x00,0xC0,0xC0,0xC0,0xC0,0xC0,0x00,0x00,0xC0,0xC0,0xC0,0xC0,0xC0,0x00,0x00,0x80,
         0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x06,0x06,0x06,0x06,0x00,0x00,
         0x06,0x06,0x06,0x06,0x06,0x00,0x00,0x06,0x06,0x06,0x06,0x06,0x00,0x00,0x06,0x06,
         0x06,0x06,0x06,0x00,0x00,0x06,0x06,0x06,0xE6,0x66,0x20,0x00,0x06,0x06,0x86,0x06,
         0x06,0x00,0x00,0x06,0x06,0x06,0x06,0x86,0x00,0x00,0x06,0x06,0x06,0x06,0x06,0x00,
         0x00,0x86,0x86,0x86,0x86,0x86,0x80,0x80,0x86,0x86,0x06,0x86,0x86,0xC0,0xC0,0x86,
         0x86,0x86,0x06,0x06,0xD0,0x30,0x76,0x06,0x06,0x06,0x06,0x00,0x00,0x06,0x06,0x06,
         0x06,0x06,0x00,0x00,0x06,0x06,0x06,0x06,0x06,0x00,0x00,0x06,0x06,0x06,0x06,0x06,
         0x00,0x00,0x06,0x06,0x06,0x06,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x1C,0x00,0xFE,0x00,0x01,
         0x02,0x00,0xC4,0x18,0x20,0x02,0x9E,0x63,0xB2,0x0E,0x00,0xFF,0x81,0x81,0xFF,0x00,
         0x00,0x80,0x40,0x30,0x0F,0x00,0x00,0x00,0x00,0xFF,0x00,0x23,0xEA,0xAA,0xBF,0xAA,
         0xEA,0x03,0x3F,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x0C,0x08,0x00,0x00,0x01,0x01,0x01,
         0x01,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x81,0x80,0x80,0x81,0x80,
         0x81,0x80,0x80,0x80,0x80,0x01,0x01,0x01,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,
         0x01,0x00,0x01,0x01,0x09,0x0C,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,
         0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0x00,
         0x00,0x1E,0x21,0x40,0x40,0x50,0x21,0x5E,0x00,0x1E,0x21,0x40,0x40,0x50,0x21,0x5E,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xC1,0xC1,0xFF,
         0xFF,0xC1,0xC1,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x80,0xFC,0xF3,0xEF,0xF3,0xFC,
         0x80,0xFF,0x80,0xEE,0xEE,0xEE,0xF5,0xFB,0xFF,0x9C,0xBE,0xB6,0xB6,0x88,0xFF,0x00,
};

#endif

主函数main.c

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file          : main.c
  * @brief       : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "i2c.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "oled.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_I2C2_Init();
  /* USER CODE BEGIN 2 */
OLED_Init();
OLED_CLS();

OLED_ShowCN(8,0,0);
OLED_ShowCN(24,0,1);
OLED_ShowCN(40,0,2);
OLED_ShowCN(56,0,3);
OLED_ShowStr(5,2,"21IC",2);
OLED_ShowCN(40,10,4);
OLED_ShowCN(56,10,5);

      OLED_ON();
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
/* USER CODE END WHILE */

/* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE2) != HAL_OK)
  {
Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSIS;
  RCC_OscInitStruct.MSISState = RCC_MSI_ON;
  RCC_OscInitStruct.MSISSource = RCC_MSI_RC0;
  RCC_OscInitStruct.MSISDiv = RCC_MSI_DIV8;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                           |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                           |RCC_CLOCKTYPE_PCLK3;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSIS;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *       where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
   ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

四、实验效果
视频:
代码：
Src.zip (17.87 KB)

2025-8-5 22:09 上传
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