STM32F103硬件IIC驱动显示OLED

用户11186929

发布于 2024-07-01 12:29:57

680

发布于 2024-07-01 12:29:57

oled.c

#include "oled.h"
#include "usart.h"
#include "oled_font.h"
#include "sys_tick.h"

static __IO uint32_t  I2CTimeout = I2CT_LONG_TIMEOUT; 

void I2C_GPIO_Config(void)
{
    GPIO_InitTypeDef  GPIO_InitStructure;
    
    RCC_APB2PeriphClockCmd(IIC_GPIO_CLK,ENABLE);
    
    //SCL
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
    GPIO_InitStructure.GPIO_Pin = IIC_SCL_GPIO_PIN;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(IIC_SCL_GPIO_PORT,&GPIO_InitStructure);
    //SDA
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
    GPIO_InitStructure.GPIO_Pin = IIC_SDA_GPIO_PIN;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(IIC_SDA_GPIO_PORT,&GPIO_InitStructure);
}

void I2C_Mode_Config(void)
{
    I2C_InitTypeDef  I2C_InitStructure;
    
    RCC_APB1PeriphClockCmd(IIC_CLK,ENABLE);
    /* I2C 配置 */
    I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
    
    /* 高电平数据稳定，低电平数据变化 SCL 时钟线的占空比 */
    I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
    I2C_InitStructure.I2C_OwnAddress1 = I2Cx_OWN_ADDRESS7;
    //
    I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
    //寻址模式
    I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
    //通信速率
    I2C_InitStructure.I2C_ClockSpeed = I2C_Speed;
    
    I2C_Init(I2C1,&I2C_InitStructure);
    
    I2C_Cmd(I2C1,ENABLE);
}

void I2CInit(void)
{
    I2C_GPIO_Config();
    I2C_Mode_Config();
}

/**
  * @brief  OLED 写入字节
  * @param  addr 地址（写指令/写数据）
  * @param  data 数据
  * @retval 无
  */
void I2cWriteByte(uint8_t addr,uint8_t data)
{
    //发送起始信号
    I2C_GenerateSTART(I2C1,ENABLE);
    
    I2CTimeout = I2CT_FLAG_TIMEOUT;
    
    //等待EV5事件
    while(!I2C_CheckEvent(I2C1,I2C_EVENT_MASTER_MODE_SELECT))
    {
        if((I2CTimeout--) == 0)
        {
            printf("I2C 等待超时!errorCode is 0\r\n");
            return;
        }
    }    
    I2CTimeout = I2CT_FLAG_TIMEOUT;
    
    //发送设备地址
    I2C_Send7bitAddress(I2C1,OLED_ADDR,I2C_Direction_Transmitter);
    //等待EV6事件
    while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED))
    {
        if((I2CTimeout--) == 0)
        {
            printf("I2C 等待超时!errorCode is 1\r\n");
            return;
        }
    }
    //发送地址
    I2C_SendData(I2C1,addr);
    I2CTimeout = I2CT_FLAG_TIMEOUT;
    while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED))
    {
        if((I2CTimeout--) == 0)
        {
            printf("I2C 等待超时!errorCode is 2\r\n");
            return;
        }
    }
    
    //发送数据
    I2C_SendData(I2C1,data);
    I2CTimeout = I2CT_FLAG_TIMEOUT;
    while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_BYTE_TRANSMITTED))
    {
        if((I2CTimeout--) == 0)
        {
            printf("I2C 等待超时!errorCode is 3\r\n");
            return;
        }
    }
}
/**
  * @brief  OLED 指令
  * @param  command 写指令
  * @retval 无
  */
void OLED_WriteCommand(unsigned char command)
{
    I2cWriteByte(0x00,command);
}
/**
  * @brief  OLED 写数据
  * @param  data 数据
  * @retval 无
  */
void OLED_WriteData(unsigned char data)
{
    I2cWriteByte(0x40,data);
}
/**
  * @brief  OLED设置光标位置
  * @param  Y 以左上角为原点，向下方向的坐标，范围：0~7
  * @param  X 以左上角为原点，向右方向的坐标，范围：0~127
  * @retval 无
  */
void OLED_SetCursor(uint8_t Y, uint8_t X)
{
    OLED_WriteCommand(0xB0 | Y);                    //设置Y位置
    OLED_WriteCommand(0x10 | ((X & 0xF0) >> 4));    //设置X位置高4位
    OLED_WriteCommand(0x00 | (X & 0x0F));            //设置X位置低4位
}

/**
  * @brief  OLED清屏
  * @param  无
  * @retval 无
  */
void OLED_Clear(void)
{  
    uint8_t i, j;
    for (j = 0; j < 8; j++)
    {
        OLED_SetCursor(j, 0);
        for(i = 0; i < 128; i++)
        {
            OLED_WriteData(0x00);
        }
    }
}

/**
  * @brief  OLED显示一个字符
  * @param  Line 行位置，范围：1~4
  * @param  Column 列位置，范围：1~16
  * @param  Char 要显示的一个字符，范围：ASCII可见字符
  * @retval 无
  */
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char)
{          
    uint8_t i;
    OLED_SetCursor((Line - 1) * 2, (Column - 1) * 8);        //设置光标位置在上半部分
    for (i = 0; i < 8; i++)
    {
        OLED_WriteData(OLED_F8x16[Char - ' '][i]);            //显示上半部分内容
    }
    OLED_SetCursor((Line - 1) * 2 + 1, (Column - 1) * 8);    //设置光标位置在下半部分
    for (i = 0; i < 8; i++)
    {
        OLED_WriteData(OLED_F8x16[Char - ' '][i + 8]);        //显示下半部分内容
    }
}
/**
  * @brief  OLED显示字符串
  * @param  Line 起始行位置，范围：1~4
  * @param  Column 起始列位置，范围：1~16
  * @param  String 要显示的字符串，范围：ASCII可见字符
  * @retval 无
  */
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String)
{
    uint8_t i;
    for (i = 0; String[i] != '\0'; i++)
    {
        OLED_ShowChar(Line, Column + i, String[i]);
    }
} 
/**
  * @brief  OLED初始化
  * @param  无
  * @retval 无
  */
void OLED_Init(void)
{
    Delay_ms(200);
    
    I2CInit();            //端口初始化
    
    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);
    
    OLED_WriteCommand(0xA8);    //设置多路复用率
    OLED_WriteCommand(0x3F);
    
    OLED_WriteCommand(0xD3);    //设置显示偏移
    OLED_WriteCommand(0x00);
    
    OLED_WriteCommand(0x40);    //设置显示开始行
    
    OLED_WriteCommand(0xA1);    //设置左右方向，0xA1正常 0xA0左右反置
    
    OLED_WriteCommand(0xC8);    //设置上下方向，0xC8正常 0xC0上下反置
 
    OLED_WriteCommand(0xDA);    //设置COM引脚硬件配置
    OLED_WriteCommand(0x12);
    
    OLED_WriteCommand(0x81);    //设置对比度控制
    OLED_WriteCommand(0xCF);
 
    OLED_WriteCommand(0xD9);    //设置预充电周期
    OLED_WriteCommand(0xF1);
 
    OLED_WriteCommand(0xDB);    //设置VCOMH取消选择级别
    OLED_WriteCommand(0x30);
 
    OLED_WriteCommand(0xA4);    //设置整个显示打开/关闭
 
    OLED_WriteCommand(0xA6);    //设置正常/倒转显示
 
    OLED_WriteCommand(0x8D);    //设置充电泵
    OLED_WriteCommand(0x14);
 
    OLED_WriteCommand(0xAF);    //开启显示
        
    OLED_Clear();                //OLED清屏
}

oled.h

#ifndef _OLED_H_
#define _OLED_H_

#include "stm32f10x.h"


#define        IIC_CLK                    RCC_APB1Periph_I2C1

#define        IIC_GPIO_CLK            RCC_APB2Periph_GPIOB
#define        IIC_SCL_GPIO_PORT        GPIOB
#define        IIC_SCL_GPIO_PIN        GPIO_Pin_6
#define        IIC_SDA_GPIO_PORT        GPIOB
#define        IIC_SDA_GPIO_PIN        GPIO_Pin_7

/* 这个地址只要与STM32外挂的I2C器件地址不一样即可 */
#define I2Cx_OWN_ADDRESS7      0x0A

#define        OLED_ADDR                0x78    //设备地址

/* STM32 I2C 标准模式 */
#define I2C_Speed              100000  //400000是快速模式

/*等待超时时间*/
#define I2CT_FLAG_TIMEOUT         ((uint32_t)0x1000)
#define I2CT_LONG_TIMEOUT         ((uint32_t)(10 * I2CT_FLAG_TIMEOUT))

void OLED_Init(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_Clear(void);

#endif

font.h

#ifndef _FONT_H_
#define _FONT_H_

#include "stm32f10x.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

main.c

#include "stm32f10x.h"
#include "usart.h"
#include "oled.h"
#include "sys_tick.h"

int main(void)
{
    //初始化
    OLED_Init();

    while(1)
    {
        //显示字符
        OLED_ShowChar(1,1,'B');
        Delay_s(1);
        //显示字符串
        OLED_ShowString(2,1,"OLED->OK");
        Delay_s(1);
        //清屏
        OLED_Clear();
        Delay_s(1);
    }

}

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原始发表：2024-06-29，如有侵权请联系 cloudcommunity@tencent.com 删除

gpio