OLED hal库(江科大改版)

OLED.C

#include "main.h"
#include "oled_app.h"
#include "oledfront_app.h"
#define OLED_W_SCL(x)  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, (GPIO_PinState)(x))
#define OLED_W_SDA(x)  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_9, (GPIO_PinState)(x))


/**
 * @brief  I2C起始信号
 */
static void OLED_I2C_Start(void)
{
    OLED_W_SDA(1);  // SDA线高电平
    OLED_W_SCL(1);  // SCL线高电平
    OLED_W_SDA(0);  // SDA线拉低:起始信号
    OLED_W_SCL(0);  // SCL线拉低:准备发送数据
}

/**
 * @brief  I2C停止信号
 */
static void OLED_I2C_Stop(void)
{
    OLED_W_SDA(0);  // SDA线低电平
    OLED_W_SCL(1);  // SCL线高电平:时钟信号
    OLED_W_SDA(1);  // SDA线拉高:停止信号
}

/**
 * @brief  I2C发送一个字节
 * @param  Byte:要发送的字节
 */
static void OLED_I2C_SendByte(uint8_t Byte)
{
    uint8_t i;
    for (i = 0; i < 8; i++)
    {
        // 发送高位在前(0x80为最高位)
        OLED_W_SDA(!!(Byte & (0x80 >> i)));  // 提取当前位并转换为高低电平
        OLED_W_SCL(1);  // 时钟高电平:数据有效
        OLED_W_SCL(0);  // 时钟低电平:准备下一位
    }
    OLED_W_SCL(1);  // 额外时钟脉冲(不处理应答信号)
    OLED_W_SCL(0);
}

/**
 * @brief  OLED写命令
 * @param  Command:要写入的命令
 */
static void OLED_WriteCommand(uint8_t Command)
{
    OLED_I2C_Start();
    OLED_I2C_SendByte(0x78);  // OLED从机地址(0x3C << 1 = 0x78)
    OLED_I2C_SendByte(0x00);  // 写命令标志(D/C#=0)
    OLED_I2C_SendByte(Command);
    OLED_I2C_Stop();
}

/**
 * @brief  OLED写数据
 * @param  Data:要写入的数据
 */
static void OLED_WriteData(uint8_t Data)
{
    OLED_I2C_Start();
    OLED_I2C_SendByte(0x78);  // OLED从机地址
    OLED_I2C_SendByte(0x40);  // 写数据标志(D/C#=1)
    OLED_I2C_SendByte(Data);
    OLED_I2C_Stop();
}

/**
 * @brief  设置光标位置
 * @param  Y:行坐标(0~7,以左上角为原点,向下为正)
 * @param  X:列坐标(0~127,以左上角为原点,向右为正)
 */
static void OLED_SetCursor(uint8_t Y, uint8_t X)
{
    OLED_WriteCommand(0xB0 | Y);                  // 设置页地址(Y位置)
    OLED_WriteCommand(0x10 | ((X & 0xF0) >> 4));  // 设置列地址高4位
    OLED_WriteCommand(0x00 | (X & 0x0F));         // 设置列地址低4位
}

/**
 * @brief  OLED清屏(填充全屏为0x00)
 */
void OLED_Clear(void)
{
    uint8_t i, j;
    for (j = 0; j < 8; j++)  // 遍历8页(Y=0~7)
    {
        OLED_SetCursor(j, 0);  // 定位到第j页,第0列
        for (i = 0; i < 128; i++)  // 遍历128列(X=0~127)
        {
            OLED_WriteData(0x00);  // 写入空数据(熄灭像素)
        }
    }
}

/**
 * @brief  显示单个字符(8x16点阵)
 * @param  Line:行位置(1~4,共4行)
 * @param  Column:列位置(1~16,共16列)
 * @param  Char:要显示的字符(ASCII可见字符,如'A'、'1'等)
 */
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char)
{
    uint8_t i;
    // 定位到字符上半部分(8行)
    OLED_SetCursor((Line - 1) * 2, (Column - 1) * 8);
    for (i = 0; i < 8; i++)
    {
        OLED_WriteData(OLED_F8x16[Char - ' '][i]);  // 显示上8行像素
    }
    // 定位到字符下半部分(8行)
    OLED_SetCursor((Line - 1) * 2 + 1, (Column - 1) * 8);
    for (i = 0; i < 8; i++)
    {
        OLED_WriteData(OLED_F8x16[Char - ' '][i + 8]);  // 显示下8行像素
    }
}

/**
 * @brief  显示字符串(连续显示多个字符)
 * @param  Line:起始行位置(1~4)
 * @param  Column:起始列位置(1~16)
 * @param  String:要显示的字符串(以'\0'结尾)
 */
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String)
{
    uint8_t i;
    for (i = 0; String[i] != '\0'; i++)  // 遍历字符串直到结束符
    {
        OLED_ShowChar(Line, Column + i, String[i]);  // 逐个显示字符
    }
}

/**
 * @brief  次方计算(辅助函数,用于数字拆分)
 * @param  X:底数
 * @param  Y:指数(Y≥0)
 * @retval X的Y次方结果
 */
static uint32_t OLED_Pow(uint32_t X, uint32_t Y)
{
    uint32_t Result = 1;
    while (Y--)  // 循环Y次,每次乘以X
    {
        Result *= X;
    }
    return Result;
}

/**
 * @brief  显示十进制正数
 * @param  Line:起始行位置(1~4)
 * @param  Column:起始列位置(1~16)
 * @param  Number:要显示的数字(0~4294967295)
 * @param  Length:显示位数(1~10)
 */
void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{
    uint8_t i;
    for (i = 0; i < Length; i++)
    {
        // 提取第i位数字并转换为字符(如1→'1')
        OLED_ShowChar(Line, Column + i, 
            Number / OLED_Pow(10, Length - i - 1) % 10 + '0');
    }
}

/**
 * @brief  显示十进制带符号数(可显示负数)
 * @param  Line:起始行位置(1~4)
 * @param  Column:起始列位置(1~16)
 * @param  Number:要显示的数字(-2147483648~2147483647)
 * @param  Length:数字部分的位数(1~10,不含符号位)
 */
void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length)
{
    uint32_t Number1;
    if (Number >= 0)
    {
        OLED_ShowChar(Line, Column, '+');  // 显示正号
        Number1 = Number;
    }
    else
    {
        OLED_ShowChar(Line, Column, '-');  // 显示负号
        Number1 = -Number;  // 取绝对值
    }
    // 显示数字部分(复用无符号数显示函数)
    OLED_ShowNum(Line, Column + 1, Number1, Length);
}

/**
 * @brief  显示十六进制数(正数)
 * @param  Line:起始行位置(1~4)
 * @param  Column:起始列位置(1~16)
 * @param  Number:要显示的数字(0~0xFFFFFFFF)
 * @param  Length:显示位数(1~8)
 */
void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{
    uint8_t i, SingleNumber;
    for (i = 0; i < Length; i++)
    {
        // 提取第i位十六进制数
        SingleNumber = Number / OLED_Pow(16, Length - i - 1) % 16;
        if (SingleNumber < 10)
        {
            OLED_ShowChar(Line, Column + i, SingleNumber + '0');  // 0~9:直接转换
        }
        else
        {
            OLED_ShowChar(Line, Column + i, SingleNumber - 10 + 'A');  // A~F:偏移转换
        }
    }
}

/**
 * @brief  显示二进制数(正数)
 * @param  Line:起始行位置(1~4)
 * @param  Column:起始列位置(1~16)
 * @param  Number:要显示的数字(0~65535)
 * @param  Length:显示位数(1~16)
 */
void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{
    uint8_t i;
    for (i = 0; i < Length; i++)
    {
        // 提取第i位二进制数(0或1)并转换为字符
        OLED_ShowChar(Line, Column + i, 
            Number / OLED_Pow(2, Length - i - 1) % 2 + '0');
    }
}

/**
 * @brief  OLED初始化(包含硬件初始化和命令配置)
 */
void OLED_Init(void)
{
    HAL_Delay(100);  // 上电延时(确保OLED电源稳定)

    /* 引脚初始化(仅设置初始电平,模式由CubeMX配置) */
    OLED_W_SCL(1);  // SCL线初始高电平(空闲状态)
    OLED_W_SDA(1);  // SDA线初始高电平(空闲状态)

    /* OLED控制器初始化命令序列 */
    OLED_WriteCommand(0xAE);  // 关闭显示

    OLED_WriteCommand(0xD5);  // 设置显示时钟分频比/振荡器频率
    OLED_WriteCommand(0x80);  // 默认值(分频比1,振荡器频率默认)

    OLED_WriteCommand(0xA8);  // 设置多路复用率
    OLED_WriteCommand(0x3F);  // 64行(0x3F = 63,64行复用)

    OLED_WriteCommand(0xD3);  // 设置显示偏移
    OLED_WriteCommand(0x00);  // 无偏移

    OLED_WriteCommand(0x40);  // 设置显示开始行(从第0行开始)

    OLED_WriteCommand(0xA1);  // 设置段重定向(列地址0映射到SEG0,正常显示)

    OLED_WriteCommand(0xC8);  // 设置COM扫描方向(从COM63到COM0,正常显示)

    OLED_WriteCommand(0xDA);  // 设置COM引脚硬件配置
    OLED_WriteCommand(0x12);  // 序列配置,左右COM引脚交替

    OLED_WriteCommand(0x81);  // 设置对比度控制
    OLED_WriteCommand(0xCF);  // 对比度值(0x00~0xFF,0xCF为较高对比度)

    OLED_WriteCommand(0xD9);  // 设置预充电周期
    OLED_WriteCommand(0xF1);  // 预充电9个时钟,放电1个时钟

    OLED_WriteCommand(0xDB);  // 设置VCOMH取消选择级别
    OLED_WriteCommand(0x30);  // VCOMH = 0.83V * VCC

    OLED_WriteCommand(0xA4);  // 开启正常显示(按GDDRAM内容显示,非强制全亮)

    OLED_WriteCommand(0xA6);  // 设置正常显示(非反显)

    OLED_WriteCommand(0x8D);  // 电荷泵设置
    OLED_WriteCommand(0x14);  // 开启电荷泵(需要外部VCC时启用)

    OLED_WriteCommand(0xAF);  // 开启显示

    OLED_Clear();  // 初始化清屏(确保无乱码)
}

OLED.H

#ifndef __OLED_APP_H__
#define __OLED_APP_H__

#include <stdint.h> 
// 引脚定义(与CubeMX配置一致)
#define OLED_W_SCL(x)  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, (GPIO_PinState)(x))
#define OLED_W_SDA(x)  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_9, (GPIO_PinState)(x))

// 函数声明
void OLED_Init(void);
void OLED_Clear(void);
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char);
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String);
void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);
void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length);
void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);
void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);

#endif
 

OLEDFRONT.H

#ifndef __OLEDFRONT_APP_H__
#define __OLEDFRONT_APP_H__
#include <stdint.h> 
/*OLED字模库,宽8像素,高16像素*/
const uint8_t OLED_F8x16[][16]=
{
    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
};

#endif
 

这些都是我自己基于江科大源码改成的hal库 供大家使用

使用前要在cubemax里先配置 PB8 PB9参数如上两个都这样配置即可 配置这两个引脚的原因是江科大源码中就是这样配置的 大家想放在其它位置只许自己更改代码 cubemax重新配置即可

用的时候在main中先引用 #include "oled_app.h" 然后   再初始化一下 OLED_Init();

之后就可以正常使用了 和江科大的用法一样的大家不懂的可以看看江科大是怎么引用的

这里我想给大家说一下埋个坑 江科大和我的都是用软件模拟iic控制的 其实iic有硬件和软件这里我还没有学到等我学完后会用硬件iic再出一个oled显示估计代码会简单很多 但两者各有优越点

硬件iic  代码更少 占用cpu资源少 但是引脚固定(就是oled只能放那个位置了)

软件iic 代码多 占用cpu资源多 但是灵活(oled想放哪放哪)

大家自己看着用
 

### OLED HAL驱动示例代码及相关教程 对于OLED显示设备,基于STM32HAL提供了丰富的接口函数来实现硬件抽象层的操作。以下是关于如何通过HAL编写OLED驱动程序的一个基本框架以及一些可能适用的教学资源。 #### 1. 基于I2C通信协议的OLED初始化配置 通常情况下,OLED屏幕会采用I2C作为主要的数据传输方式之一。下面是一个简单的I2C初始化过程: ```c #include "stm32f4xx_hal.h" // 定义 I2C 地址 (假设为0x3C) #define OLED_I2C_ADDR 0x3C void MX_I2C1_Init(void) { hi2c1.Instance = I2C1; hi2c1.Init.ClockSpeed = 100000; // 设置时钟频率为100kHz hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2; hi2c1.Init.OwnAddress1 = 0; hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; if (HAL_I2C_Init(&hi2c1) != HAL_OK) { Error_Handler(); } } ``` 上述代码展示了如何利用HAL中的`HAL_I2C_Init()`函数完成I2C外设的初始化设置[^1]。 #### 2. 数据写入到OLED屏的具体实现 为了向OLED发送命令或者数据,可以封装如下功能函数: ```c /** * @brief 向OLED发送单字节数据或指令 */ static void OLEDSendData(uint8_t data, uint8_t cmd) { uint8_t buffer[2]; if(cmd){ buffer[0] = 0x00; // Co=0, D/C#=0 表明这是一个控制命令 }else{ buffer[0] = 0x40; // Co=0, D/C#=1 表明这是要显示的数据 } buffer[1] = data; HAL_I2C_Master_Transmit(&hi2c1, OLED_I2C_ADDR << 1, buffer, sizeof(buffer), HAL_MAX_DELAY); } /** * @brief 初始化OLED显示屏 */ void OLED_Init() { // 发送一系列初始化命令... OLEDSendData(0xAE, true); // 关闭显示器 OLEDSendData(0xD5, true); // 设置显示时钟分频器/振荡器频率 OLEDSsendData(0xF0, true); // ... // 更多初始化命令省略... OLEDSendData(0xAF, true); // 打开显示器 } ``` 以上代码片段说明了如何定义并调用一个用于与OLED交互的功能函数 `OLEDSendData` 来分别处理命令和像素数据的传送。 #### 3. 可能存在的教学资料查询建议 如果目标是查找特定大学(如江科大)内部有关此主题的学习材料,则可以通过搜索引擎限定域名为`.edu.cn`的方式获取更精确的结果。例如尝试输入关键词组合:“OLED STM32 HAL 驱动 示例 code site:edu.cn”。 另外,在某些公开的技术博客平台也可能找到类似的实践案例分享[^2]。 ---
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