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【功率监测与控制系统DIY活动过程贴】OLED显示

助工
2025-05-10 23:12:09     打赏

【功率监测与控制系统DIY活动过程贴】OLED显示

本文介绍了基于 NUCLEO-F411RE 开发板、使用 SMT32CubeMX 软件快速生成工程,实现了通过硬件 I2C1 实现 4 线 OLED 屏显示数字、字符、字符串、汉字的项目设计,包括原理介绍、硬件连接、汉字取模、代码解析等流程。

项目方案

该项目通过 STM32CubeMX 构建 IIC 驱动的基本工程框架,使能 IIC ,之后在 oled.c 文件中定义相关显示函数,包括字符串、文字、数字等,在主函数中调用显示函数,实现 OLED 驱动与目标字符现实。

OLED

OLED(有机发光二极管)是一种自发光显示技术,不需要背光源,具有高对比度、薄厚度、广视角和快速响应等优点。OLED显示模块通常由OLED屏幕和驱动芯片组成,常见的驱动芯片是SSD1306

oled_objects.jpg

SSD1306 是一个单片 CMOS OLED/PLED 驱动芯片,支持 128x64 点阵显示。它内置了对比度控制器、显示 RAM和晶振,支持多种接口方式,包括 6800/8000 串口、I2C 接口和 SPI 接口。

显示原理

OLED 显示屏通过 SSD1306 驱动芯片控制,SSD1306 将显存分为 8 页,每页包含128个字节,总共128x64位。显示数据通过并行或串行接口传输到SSD1306,由 SSD1306 控制 OLED 屏幕显示。

详见:OLED显示模块(原理讲解、STM32实例操作) .

OLED显示

介绍了实现OLED屏幕显示信息的项目流程。

打开 STM32CubeMX 软件,新建 ST 板卡工程;

时钟配置:采用默认设置,系统时钟频率 84MHz;

Pinout & Configuration 标签下选择 Connectivity - I2C1 ,  右侧 Mode 选择 I2C 使能 IIC 总线功能,此时 Pinout View 中 IIC 对应的管脚被标注为 I2C1 ;

iic_conf.jpg

配置完成后,进入 Project Manager 标签栏,进行项目命名、保存路径设置、编译器选择等操作;

点击 Generate Code 按钮,使用 STM32CubeIDE 或 Keil 打开目标工程;

编译工程,0 error, 0 warning .

硬件连接

PB7 ---- SDA (OLED)

PB6 ---- SCL (OLED)

connect_oled_board.jpg

NUCLEO-F411RE 排针布局和定义

pinsout_def.jpg

汉字取模

下载 并运行 PC2LCD2018 软件 ;

菜单栏模式设置为 字符模式 ;

点击工具栏中的 设置 按钮,配置字模选项:列行式取模、低位在前等,设置完成后点击 确定 保存配置;

font_mode.jpg

在文字输入选框输入目标汉字,点击 生成字模 ;

font_generate.jpg

选中复制或保存字模,代码添加至 oledfont.h 文件。

参考:驱动0.96寸OLED显示屏 、STM32CubeMx+0.96寸OLED(IIC驱动)

代码

在 .../Core/Inc 文件夹新建 oled.h 和 oledfont.h 头文件,

在 .../Src 文件夹新建 oled.c 文件,并在 main.c 中调用相关函数,实现功率计的框架显示

代码分别如下

oled.c

/*
 * ======================
 * ref: https://blog.csdn.net/m0_46295154/article/details/139970968
 * ======================
*/
#include "oled.h"
#include "i2c.h"
#include "oledfont.h"

uint8_t CMD_Data[]={
0xAE, 0x00, 0x10, 0x40, 0xB0, 0x81, 0xFF, 0xA1, 0xA6, 0xA8, 0x3F,

0xC8, 0xD3, 0x00, 0xD5, 0x80, 0xD8, 0x05, 0xD9, 0xF1, 0xDA, 0x12,

0xD8, 0x30, 0x8D, 0x14, 0xAF};      //初始化命令


void WriteCmd(void)
{
 uint8_t i = 0;
 for(i=0; i<27; i++)
 {
  HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,CMD_Data+i,1,0x100);
 }
}

/**
 * @function: void OLED_WR_CMD(uint8_t cmd)
 * @description: 向设备写控制命令
 * @param {uint8_t} cmd 芯片手册规定的命令
 * @return {*}
 */
void OLED_WR_CMD(uint8_t cmd)
{
 HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,&cmd,1,0x100);
}

/**
 * @function: void OLED_WR_DATA(uint8_t data)
 * @description: 向设备写控制数据
 * @param {uint8_t} data 数据
 * @return {*}
 */
void OLED_WR_DATA(uint8_t data)
{
 HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x40,I2C_MEMADD_SIZE_8BIT,&data,1,0x100);
}

/**
 * @function: void OLED_Init(void)
 * @description: OLED初始化
 * @return {*}
 */
void OLED_Init(void)
{
 HAL_Delay(200);

 WriteCmd();
}

/**
 * @function: OLED_Clear(void)
 * @description: 清屏,整个屏幕的像素点都是关闭的
 * @return {*}
 */
void OLED_Clear(void)
{
 uint8_t i,n;
 for(i=0;i<8;i++)
 {
  OLED_WR_CMD(0xb0+i);
  OLED_WR_CMD (0x00);
  OLED_WR_CMD (0x10);
  for(n=0;n<132;n++)
   OLED_WR_DATA(0);
 }
}

/**
 * @function: void OLED_Display_On(void)
 * @description: 更新显示
 * @return {*}
 */
void OLED_Display_On(void)
{
 OLED_WR_CMD(0X8D);  //SET DCDC命令
 OLED_WR_CMD(0X14);  //DCDC ON
 OLED_WR_CMD(0XAF);  //DISPLAY ON
}

/**
 * @function: void OLED_Display_Off(void)
 * @description: 关闭OLED显示
 * @return {*}
 */
void OLED_Display_Off(void)
{
 OLED_WR_CMD(0X8D);  //SET DCDC命令
 OLED_WR_CMD(0X10);  //DCDC OFF
 OLED_WR_CMD(0XAE);  //DISPLAY OFF
}

/**
 * @function: void OLED_Set_Pos(uint8_t x, uint8_t y)
 * @description: 坐标设置
 * @param {uint8_t} x,y
 * @return {*}
 */
void OLED_Set_Pos(uint8_t x, uint8_t y)
{
 OLED_WR_CMD(0xb0+y);
 OLED_WR_CMD(((x&0xf0)>>4)|0x10);
 OLED_WR_CMD(x&0x0f);
}

/**
 * @function: void OLED_On(void)
 * @description: 更新显示
 * @return {*}
 */
void OLED_On(void)
{
 uint8_t i,n;
 for(i=0;i<8;i++)
 {
  OLED_WR_CMD(0xb0+i);    //设置页地址(0~7)
  OLED_WR_CMD(0x00);      //设置显示位置—列低地址
  OLED_WR_CMD(0x10);      //设置显示位置—列高地址
  for(n=0;n<128;n++)
   OLED_WR_DATA(1);
 } //更新显示
}

/**
 * @function: unsigned int oled_pow(uint8_t m,uint8_t n)
 * @description: m^n函数
 * @param {uint8_t} m,n
 * @return {unsigned int} result
 */
unsigned int oled_pow(uint8_t m,uint8_t n)
{
 unsigned int 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(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2, uint8_t Color_Turn)
{
 uint8_t t,temp;
 uint8_t 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, Color_Turn);
    continue;
   }
   else
    enshow=1;
  }
   OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2, Color_Turn);
 }
}

/**
 * @function: void OLED_Showdecimal(uint8_t x,uint8_t y,float num,uint8_t z_len,uint8_t f_len,uint8_t size2, uint8_t Color_Turn)
 * @description: 显示正负浮点数
 * @param {uint8_t} x待显示的数字起始横坐标,x:0~126
 * @param {uint8_t} y待显示的数字起始纵坐标, y:0~7,若选择字体大小为16,则两行数字之间需要间隔2,若选择字体大小为12,间隔1
 * @param {float} num:输入的浮点型数据
 * @param {uint8_t } z_ len:整数部分的位数
 * @param {uint8_t } f_len: 小数部分的位数
 * @param {uint8_t} size2:输入的数据大小,选择 16/12,16为8X16,12为6x8
 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相)
 * @return {*}
 */
void OLED_ShowDecimal(uint8_t x,uint8_t y,float num,uint8_t z_len,uint8_t f_len,uint8_t size2, uint8_t Color_Turn)
{
 uint8_t t,temp,i=0;//i为负数标志位
 uint8_t enshow;
 int z_temp,f_temp;
 if(num<0)
 {
  z_len+=1;
  i=1;
  num=-num;
 }
 z_temp=(int)num;
 //整数部分
 for(t=0;t<z_len;t++)
 {
  temp=(z_temp/oled_pow(10,z_len-t-1))%10;
  if(enshow==0 && t<(z_len-1))
  {
   if(temp==0)
   {
    OLED_ShowChar(x+(size2/2)*t,y,' ',size2, Color_Turn);
    continue;
   }
   else
   enshow=1;
  }
  OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2, Color_Turn);
 }
 //小数点
 OLED_ShowChar(x+(size2/2)*(z_len),y,'.',size2, Color_Turn);

 f_temp=(int)((num-z_temp)*(oled_pow(10,f_len)));
  //小数部分
 for(t=0;t<f_len;t++)
 {
  temp=(f_temp/oled_pow(10,f_len-t-1))%10;
  OLED_ShowChar(x+(size2/2)*(t+z_len)+5,y,temp+'0',size2, Color_Turn);
 }
 if(i==1)//如果为负,就将最前的一位赋值‘-’
 {
  OLED_ShowChar(x,y,'-',size2, Color_Turn);
  i=0;
 }
}

/**
 * @function: void OLED_ShowChar(uint8_t x, uint8_t y, uint8_t chr, uint8_t Char_Size,uint8_t Color_Turn)
 * @description: 在OLED12864特定位置开始显示一个字符
 * @param {uint8_t} x字符开始显示的横坐标 0~127
 * @param {uint8_t} y字符开始显示的纵坐标 0~63
 * @param {uint8_t} chr待显示的字符
 * @param {uint8_t} Char_Size待显示字符的字体大小,选择字体 16/12
 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相)
 * @return {*}
 */
void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size, uint8_t Color_Turn)
{
 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++)
   {
    if(Color_Turn)
     OLED_WR_DATA(~F8X16[c*16+i]);
    else
     OLED_WR_DATA(F8X16[c*16+i]);
   }
   //OLED_WR_DATA(F8X16[c*16+i]);
   OLED_Set_Pos(x,y+1);
   for(i=0;i<8;i++)
   {
    if(Color_Turn)
     OLED_WR_DATA(~F8X16[c*16+i+8]);
    else
     OLED_WR_DATA(F8X16[c*16+i+8]);
   }
   //OLED_WR_DATA(F8X16[c*16+i+8]);
  }
  else
  {
    OLED_Set_Pos(x,y);
    for(i=0;i<6;i++)
    {
     if(Color_Turn)
      OLED_WR_DATA(~F6x8[c][i]);
     else
      OLED_WR_DATA(F6x8[c][i]);
    }
    //OLED_WR_DATA(F6x8[c][i]);

  }
}

/**
 * @function: void OLED_ShowString(uint8_t x, uint8_t y, uint8_t *chr, uint8_tChar_Size, uint8_t Color_Turn)
 * @description: 在OLED12864特定位置开始显示字符串
 * @param {uint8_t} x待显示字符串的开始横坐标x:0~127
 * @param {uint8_t} y待显示字符串的开始纵坐标 y:0~7,若选择字体大小为16,则两行数字之间需要间隔2,若选择字体大小为12,间隔1
 * @param {uint8_t} *chr待显示的字符串
 * @param {uint8_t} Char_Size待显示字符串的字体大小,选择字体 16/12,16为8X16,12为6x8
 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相)
 * @return {*}
 */
void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size, uint8_t Color_Turn)
{
 uint8_t j=0;
 while (chr[j]!='\0')
 {
  OLED_ShowChar(x,y,chr[j],Char_Size, Color_Turn);
  if (Char_Size ==12) //6X8的字体列加6,显示下一个字符
   x += 6;
  else  //8X16的字体列加8,显示下一个字符
   x += 8;
  if (x > 122 && Char_Size==12) //TextSize6x8如果一行不够显示了,从下一行继续显示
  {
   x = 0;
   y++;
  }
  if (x > 120 && Char_Size== 16) //TextSize8x16如果一行不够显示了,从下一行继续显示
  {
   x = 0;
   y++;
  }
  j++;
 }
}

/**
 * @function: void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no, uint8_t Color_Turn)
 * @description: 在OLED特定位置开始显示16X16汉字
 * @param {uint8_t} x待显示的汉字起始横坐标x: 0~112,两列汉字之间需要间隔16
 * @param {uint8_t} y待显示的汉字起始纵坐标 y: 0~6 , 两行汉字之间需要间隔2
 * @param {uint8_t} no待显示的汉字编号
 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相)
 * @return {*}
 */
void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no, uint8_t Color_Turn)
{
 uint8_t t=0;
 OLED_Set_Pos(x,y);
    for(t=0;t<16;t++)
    {
     if (Color_Turn)
      OLED_WR_DATA(~Hzk[2*no][t]); //显示汉字的上半部分
     else
      OLED_WR_DATA(Hzk[2*no][t]); //显示汉字的上半部分
    }
 OLED_Set_Pos(x,y+1);
    for(t=0;t<16;t++)
    {
     if (Color_Turn)
      OLED_WR_DATA(~Hzk[2*no+1][t]); //显示汉字的上半部分
     else
      OLED_WR_DATA(Hzk[2*no+1][t]);//显示汉字的上半部分

    }
}

/**
 * @function: void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t *  BMP,uint8_t Color_Turn)
 * @description: 在OLED特定区域显示BMP图片
 * @param {uint8_t} x0图像开始显示横坐标  x0:0~127
 * @param {uint8_t} y0图像开始显示纵坐标  y0:0~7
 * @param {uint8_t} x1图像结束显示横坐标  x1:1~128
 * @param {uint8_t} y1图像结束显示纵坐标  y1:1~8
 * @param {uint8_t} *BMP待显示的图像数据
 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相)
 * @return {*}
 */
void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t *  BMP,uint8_t Color_Turn)
{
   uint32_t j = 0;
   uint8_t x = 0, y = 0;

  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++)
  {
   if (Color_Turn)
    OLED_WR_DATA(~BMP[j++]);//显示反相图片
   else
    OLED_WR_DATA(BMP[j++]);//显示图片

  }
 }
}

/*
 @brief   显示动图
 @param   x0:起始列地址
    y0:起始页地址
    x1:终止列地址
    y1:终止页地址
    k: 帧个数
    m: 单帧数组大小
    BMP[][m]:存放动图代码的数组
 @retval   无
 */
void OLED_DrawGIF(uint8_t x0, uint8_t  y0, uint8_t  x1, uint8_t y1, uint8_t  k, int m, unsigned char GIF[][m])
{
 unsigned int j=0; //定义变量
  unsigned char x,y,i; //定义变量

  if(y1%8==0) y=y1/8;   //判断终止页是否为8的整数倍
   else y=y1/8+1;
 for (i=0;i<k;i++) //从第一帧开始画
 {
  j = 0;
  for(y=y0;y<y1;y++) //从起始页开始,画到终止页
  {
   OLED_Set_Pos(x0,y);//在页的起始列开始画

   for(x=x0;x<x1;x++) //画x1 - x0 列
       {
      OLED_WR_DATA(GIF[i][j++]);  //画图片的点
       }
  }
 }
}



/**
 * @function: void OLED_HorizontalShift(uint8_t direction)
 * @description: 屏幕内容水平全屏滚动播放
 * @param {uint8_t} direction   LEFT    0x27      RIGHT  0x26
 * @return {*}
 */
void OLED_HorizontalShift(uint8_t direction)

{
 OLED_WR_CMD(0x2e);//停止滚动
 OLED_WR_CMD(direction);//设置滚动方向
 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00
 OLED_WR_CMD(0x00);//设置开始页地址
 OLED_WR_CMD(0x07);//设置每个滚动步骤之间的时间间隔的帧频
    //  0x00-5帧, 0x01-64帧, 0x02-128帧, 0x03-256帧, 0x04-3帧, 0x05-4帧, 0x06-25帧, 0x07-2帧,
 OLED_WR_CMD(0x07);//设置结束页地址
 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00
 OLED_WR_CMD(0xff);//虚拟字节设置,默认为0xff
 OLED_WR_CMD(0x2f);//开启滚动-0x2f,禁用滚动-0x2e,禁用需要重写数据
}

/**
 * @function: void OLED_Some_HorizontalShift(uint8_t direction,uint8_t start,uint8_t end)
 * @description: 屏幕部分内容水平滚动播放
 * @param {uint8_t} direction   LEFT    0x27      RIGHT  0x26
 * @param {uint8_t} start 开始页地址  0x00~0x07
 * @param {uint8_t} end  结束页地址  0x01~0x07
 * @return {*}
 */
void OLED_Some_HorizontalShift(uint8_t direction,uint8_t start,uint8_t end)
{
 OLED_WR_CMD(0x2e);//停止滚动
 OLED_WR_CMD(direction);//设置滚动方向
 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00
 OLED_WR_CMD(start);//设置开始页地址
 OLED_WR_CMD(0x07);//设置每个滚动步骤之间的时间间隔的帧频,0x07即滚动速度2帧
 OLED_WR_CMD(end);//设置结束页地址
 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00
 OLED_WR_CMD(0xff);//虚拟字节设置,默认为0xff
 OLED_WR_CMD(0x2f);//开启滚动-0x2f,禁用滚动-0x2e,禁用需要重写数据

}

/**
 * @function: void OLED_VerticalAndHorizontalShift(uint8_t direction)
 * @description: 屏幕内容垂直水平全屏滚动播放
 * @param {uint8_t} direction    右上滚动  0x29
 *                                                            左上滚动   0x2A
 * @return {*}
 */
void OLED_VerticalAndHorizontalShift(uint8_t direction)
{
 OLED_WR_CMD(0x2e);//停止滚动
 OLED_WR_CMD(direction);//设置滚动方向
 OLED_WR_CMD(0x01);//虚拟字节设置
 OLED_WR_CMD(0x00);//设置开始页地址
 OLED_WR_CMD(0x07);//设置每个滚动步骤之间的时间间隔的帧频,即滚动速度
 OLED_WR_CMD(0x07);//设置结束页地址
 OLED_WR_CMD(0x01);//垂直滚动偏移量
 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00
 OLED_WR_CMD(0xff);//虚拟字节设置,默认为0xff
 OLED_WR_CMD(0x2f);//开启滚动-0x2f,禁用滚动-0x2e,禁用需要重写数据
}

/**
 * @function: void OLED_DisplayMode(uint8_t mode)
 * @description: 屏幕内容取反显示
 * @param {uint8_t} direction   ON 0xA7  ,
 *                                                          OFF 0xA6 默认此模式,设置像素点亮
 * @return {*}
 */
void OLED_DisplayMode(uint8_t mode)
{
 OLED_WR_CMD(mode);
}

/**
 * @function: void OLED_IntensityControl(uint8_t intensity)
 * @description: 屏幕亮度调节
 * @param  {uint8_t} intensity 0x00~0xFF,RESET=0x7F
 * @return {*}
 */
void OLED_IntensityControl(uint8_t intensity)
{
 OLED_WR_CMD(0x81);
 OLED_WR_CMD(intensity);
}



oled.h

#ifndef __OLED_H__
#define __OLED_H__

#include "stm32f4xx_hal.h"


#define   OLED_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOA_CLK_ENABLE()

#define   GPIOx_OLED_PORT               GPIOB
#define   OLED_SCK_PIN                  GPIO_PIN_6
#define   OLED_SCK_ON()                 HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SCK_PIN, GPIO_PIN_SET)
#define   OLED_SCK_OFF()                HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SCK_PIN, GPIO_PIN_RESET)
#define   OLED_SCK_TOGGLE()             HAL_GPIO_TogglePin(GPIOx_OLED_PORT, OLED_SCK_PIN)
#define   OLED_SDA_PIN                  GPIO_PIN_7
#define   OLED_SDA_ON()                 HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SDA_PIN, GPIO_PIN_SET)
#define   OLED_SDA_OFF()                HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SDA_PIN, GPIO_PIN_RESET)
#define   OLED_SDA_TOGGLE()             HAL_GPIO_TogglePin(GPIOx_OLED_PORT, OLED_SDA_PIN)


void WriteCmd(void);
void OLED_WR_CMD(uint8_t cmd);
void OLED_WR_DATA(uint8_t data);
void OLED_Init(void);
void OLED_Clear(void);
void OLED_Display_On(void);
void OLED_Display_Off(void);
void OLED_Set_Pos(uint8_t x, uint8_t y);
void OLED_On(void);
void OLED_ShowNum(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2, uint8_t Color_Turn);
void OLED_ShowDecimal(uint8_t x,uint8_t y,float num,uint8_t z_len,uint8_t f_len,uint8_t size2, uint8_t Color_Turn);
void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size, uint8_t Color_Turn);
void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size, uint8_t Color_Turn);
void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no, uint8_t Color_Turn);
void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t *  BMP,uint8_t Color_Turn);
void OLED_DrawGIF(uint8_t x0, uint8_t  y0, uint8_t  x1, uint8_t y1, uint8_t  k, int m, unsigned char GIF[][m]);
void OLED_HorizontalShift(uint8_t direction);
void OLED_Some_HorizontalShift(uint8_t direction,uint8_t start,uint8_t end);
void OLED_VerticalAndHorizontalShift(uint8_t direction);
void OLED_DisplayMode(uint8_t mode);
void OLED_IntensityControl(uint8_t intensity);

#endif



oledfont.h

#ifndef __OLEDFONT_H__
#define __OLEDFONT_H__

#include "stm32f4xx_hal.h"

//8*6 ASCII字符集点阵
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
};

//16*8 ASCII字符集点阵
const unsigned char F8X16[]=
{
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//sp /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
 0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//}  /92
 0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00
};//|  /93

//部分汉字
const unsigned char Hzk[][32]=
{
  // 功(0) 率(1) 监(2) 测(3) 与(4) 控(5) 制(6) 电(7) 压(8) 流(9)

  {0x08,0x08,0x08,0xF8,0x08,0x08,0x08,0x10,0x10,0xFF,0x10,0x10,0x10,0xF0,0x00,0x00},
  {0x10,0x30,0x10,0x1F,0x08,0x88,0x48,0x30,0x0E,0x01,0x40,0x80,0x40,0x3F,0x00,0x00},/*"功",0*/

  {0x00,0x14,0xA4,0x44,0x24,0x34,0xAD,0x66,0x24,0x94,0x04,0x44,0xA4,0x14,0x00,0x00},
  {0x08,0x09,0x08,0x08,0x09,0x09,0x09,0xFD,0x09,0x09,0x0B,0x08,0x08,0x09,0x08,0x00},/*"率",1*/

  {0x00,0x00,0x7E,0x00,0x00,0xFF,0x00,0x40,0x30,0x0F,0x04,0x14,0x64,0x04,0x00,0x00},
  {0x40,0x40,0x7E,0x42,0x42,0x7E,0x42,0x42,0x42,0x7E,0x42,0x42,0x7E,0x40,0x40,0x00},/*"监",2*/

  {0x10,0x60,0x02,0x8C,0x00,0xFE,0x02,0xF2,0x02,0xFE,0x00,0xF8,0x00,0xFF,0x00,0x00},
  {0x04,0x04,0x7E,0x01,0x80,0x47,0x30,0x0F,0x10,0x27,0x00,0x47,0x80,0x7F,0x00,0x00},/*"测",3*/

  {0x00,0x00,0xE0,0x9F,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x08,0x00,0x00},
  {0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x48,0x80,0x40,0x3F,0x00,0x00,0x00},/*"与",4*/

  {0x10,0x10,0x10,0xFF,0x90,0x20,0x98,0x48,0x28,0x09,0x0E,0x28,0x48,0xA8,0x18,0x00},
  {0x02,0x42,0x81,0x7F,0x00,0x40,0x40,0x42,0x42,0x42,0x7E,0x42,0x42,0x42,0x40,0x00},/*"控",5*/

  {0x40,0x50,0x4E,0x48,0x48,0xFF,0x48,0x48,0x48,0x40,0xF8,0x00,0x00,0xFF,0x00,0x00},
  {0x00,0x00,0x3E,0x02,0x02,0xFF,0x12,0x22,0x1E,0x00,0x0F,0x40,0x80,0x7F,0x00,0x00},/*"制",6*/

  {0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00},
  {0x00,0x00,0x1F,0x08,0x08,0x08,0x08,0x7F,0x88,0x88,0x88,0x88,0x9F,0x80,0xF0,0x00},/*"电",7*/

  {0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFA,0x82,0x82,0x82,0x82,0x82,0x02,0x00},
  {0x80,0x60,0x1F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x44,0x58,0x40,0x40,0x00},/*"压",8*/

  {0x10,0x60,0x02,0x8C,0x00,0x44,0x64,0x54,0x4D,0x46,0x44,0x54,0x64,0xC4,0x04,0x00},
  {0x04,0x04,0x7E,0x01,0x80,0x40,0x3E,0x00,0x00,0xFE,0x00,0x00,0x7E,0x80,0xE0,0x00},/*"流",9*/
/* (16 X 16 , 宋体 )*/
};
#endif



main.c

#include "main.h"
#include "i2c.h"
#include "usart.h"
#include "gpio.h"
#include "oled.h"

void SystemClock_Config(void);

int main(void)
{

  HAL_Init();

  SystemClock_Config();

  MX_GPIO_Init();
  MX_I2C1_Init();
  MX_USART2_UART_Init();
  /* USER CODE BEGIN 2 */
    OLED_Init();
   OLED_Clear();
   /* --- 1st row --- */
   OLED_ShowString(0,0,"DIY",16,1); // DIY
   OLED_ShowCHinese(24,0,0,1); // 功
   OLED_ShowCHinese(39,0,1,1); // 率
   OLED_ShowCHinese(54,0,2,1); // 监
   OLED_ShowCHinese(69,0,3,1); // 测
   OLED_ShowCHinese(84,0,4,1); // 与
   OLED_ShowCHinese(99,0,5,1); // 控
   OLED_ShowCHinese(113,0,6,1); // 制

   OLED_ShowCHinese(0,2,7,0); // 电
   OLED_ShowCHinese(15,2,9,0); // 流
   OLED_ShowChar(30,2,':',16,0);
   OLED_ShowString(100,2,"mA",16,0);

   OLED_ShowCHinese(0,4,7,0); // 电
   OLED_ShowCHinese(15,4,8,0); // 压
   OLED_ShowChar(30,4,':',16,0);
   OLED_ShowString(100,4,"V",16,0);

   OLED_ShowCHinese(0,6,0,0); // 功
   OLED_ShowCHinese(15,6,1,0); // 率
   OLED_ShowChar(30,6,':',16,0);
   OLED_ShowString(100,6,"mW",16,0);

  /* USER CODE END 2 */

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

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


效果

oled_display.jpg


动态效果


oled_display.gif

总结

本文介绍了基于 NUCLEO-F411RE 开发板、使用 SMT32CubeMX 软件快速生成工程,实现了通过硬件 I2C1 实现 4 线 OLED 屏显示数字、字符、字符串、汉字的项目设计,包括原理介绍、硬件连接、汉字取模、代码解析等流程,为后续的开发和深入研究做铺垫,也为相关产品及项目的开发设计提供了参考。





关键词: oled     stm32     显示     i2c     ssd1306    

工程师
2025-05-11 14:35:09     打赏
2楼

用什么采集电流信号?


工程师
2025-05-12 06:36:37     打赏
3楼

大佬的作品非常秀呀!


院士
2025-05-12 22:38:29     打赏
4楼

真棒 真棒

期待楼主的更炫丽的大作


助工
2025-05-13 10:53:30     打赏
5楼

没玩过OLED,跟着大佬学习了


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