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vscode的wsl环境,ESP32驱动0.96寸oled屏幕

注意大小写,wsl(也就是linux环境)严格区分大小写。有帮助记得订阅专栏+点赞,当前不定期持续更新。

一、文件夹格式:

project/                  # 项目根目录
├─ main/                # 主程序文件夹
│  ├─ main.c            # 主函数文件(包含 app_main)
│  └─ CMakeLists.txt    # main 组件的编译配置
├─ components/          # 自定义组件目录(与 main 同级)
│  └─OLED/             # OLED 组件
│    ├─ OLED.c         # OLED 功能实现
│    ├─ OLED.h         # OLED 头文件(声明函数、宏等)
│    └─ CMakeLists.txt # OLED 组件的编译配置
├─ CMakeLists.txt       # 项目根目录编译配置(指定项目名称、依赖等)
├─ sdkconfig            # ESP-IDF 配置文件(由 menuconfig 生成)
└─ partitions.csv       # 分区表配置文件(可选,默认使用 ESP-IDF 自带)

二、OLED.c

#include "OLED.h"
#include "font.h"
#include "driver/i2c.h"
#include "esp_log.h"static const char *TAG = "OLED";// I2C初始化
void OLED_I2C_Init(void)
{i2c_config_t conf = {.mode = I2C_MODE_MASTER,.sda_io_num = OLED_SDA_PIN,.scl_io_num = OLED_SCL_PIN,.sda_pullup_en = GPIO_PULLUP_ENABLE,.scl_pullup_en = GPIO_PULLUP_ENABLE,.master.clk_speed = OLED_FREQ_HZ,};ESP_ERROR_CHECK(i2c_param_config(OLED_I2C_PORT, &conf));ESP_ERROR_CHECK(i2c_driver_install(OLED_I2C_PORT, conf.mode, 0, 0, 0));ESP_LOGI(TAG, "I2C initialized successfully");
}// I2C写数据
static esp_err_t i2c_master_write_slave(uint8_t *data_wr, size_t size)
{i2c_cmd_handle_t cmd = i2c_cmd_link_create();i2c_master_start(cmd);i2c_master_write_byte(cmd, (OLED_I2C_ADDRESS << 1) | I2C_MASTER_WRITE, true);i2c_master_write(cmd, data_wr, size, true);i2c_master_stop(cmd);esp_err_t ret = i2c_master_cmd_begin(OLED_I2C_PORT, cmd, pdMS_TO_TICKS(1000));i2c_cmd_link_delete(cmd);return ret;
}// 写命令
void OLED_WriteCommand(uint8_t Command)
{uint8_t buf[2] = {0x00, Command}; // 0x00表示命令ESP_ERROR_CHECK(i2c_master_write_slave(buf, 2));
}// 写数据
void OLED_WriteData(uint8_t Data)
{uint8_t buf[2] = {0x40, Data}; // 0x40表示数据ESP_ERROR_CHECK(i2c_master_write_slave(buf, 2));
}// 以下函数保持不变,与原始代码相同
void OLED_SetCursor(uint8_t Y, uint8_t X)
{OLED_WriteCommand(0xB0 | Y);OLED_WriteCommand(0x10 | ((X & 0xF0) >> 4));OLED_WriteCommand(0x00 | (X & 0x0F));
}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);}}
}void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char)
{      	uint8_t i;OLED_SetCursor((Line - 1) * 2, (Column - 1) * 8);for (i = 0; i < 8; i++){OLED_WriteData(OLED_F8x16[Char - ' '][i]);}OLED_SetCursor((Line - 1) * 2 + 1, (Column - 1) * 8);for (i = 0; i < 8; i++){OLED_WriteData(OLED_F8x16[Char - ' '][i + 8]);}
}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]);}
}uint32_t OLED_Pow(uint32_t X, uint32_t Y)
{uint32_t Result = 1;while (Y--){Result *= X;}return Result;
}void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{uint8_t i;for (i = 0; i < Length; i++)							{OLED_ShowChar(Line, Column + i, Number / OLED_Pow(10, Length - i - 1) % 10 + '0');}
}void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length)
{uint8_t i;uint32_t Number1;if (Number >= 0){OLED_ShowChar(Line, Column, '+');Number1 = Number;}else{OLED_ShowChar(Line, Column, '-');Number1 = -Number;}for (i = 0; i < Length; i++)							{OLED_ShowChar(Line, Column + i + 1, Number1 / OLED_Pow(10, Length - i - 1) % 10 + '0');}
}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++)							{SingleNumber = Number / OLED_Pow(16, Length - i - 1) % 16;if (SingleNumber < 10){OLED_ShowChar(Line, Column + i, SingleNumber + '0');}else{OLED_ShowChar(Line, Column + i, SingleNumber - 10 + 'A');}}
}void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{uint8_t i;for (i = 0; i < Length; i++)							{OLED_ShowChar(Line, Column + i, Number / OLED_Pow(2, Length - i - 1) % 2 + '0');}
}void OLED_Init(void)
{uint32_t i, j;for (i = 0; i < 1000; i++)			//上电延时{for (j = 0; j < 1000; j++);}OLED_I2C_Init();			//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
}

三、OLED.h

#ifndef __OLED_H
#define __OLED_H#include "driver/i2c.h"
#include "font.h"// I2C 配置参数
#define OLED_I2C_PORT        I2C_NUM_0
#define OLED_I2C_ADDRESS     0x3C    // 通常为0x3C或0x3D
#define OLED_SCL_PIN         5      // 根据实际连接修改
#define OLED_SDA_PIN         4      // 根据实际连接修改
#define OLED_FREQ_HZ         100000  // I2C频率// 函数声明
void OLED_I2C_Init(void);
void OLED_WriteCommand(uint8_t Command);
void OLED_WriteData(uint8_t Data);
void OLED_SetCursor(uint8_t Y, uint8_t X);
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);
void OLED_Init(void);#endif

四、CMakeLists.txt

idf_component_register(SRCS "OLED.c"INCLUDE_DIRS "."REQUIRES driver
)

五、说明

OLED使用到了espidf官方提供的iic库,所以REQUIRES (依赖)需要包含 driver(设备)

六、参考

[4-2] OLED显示屏_哔哩哔哩_bilibili

http://www.xdnf.cn/news/17971.html

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