ESP32 使用ESP-IDF驱动IIC接口OLED源码分享

一、源码分享
- 1、效果展示
- 2、开发环境搭建
- 3、源码分享
- - 3.1、oled.h
  - [3.2、 oled.c](#3.2、 oled.c)
  - [3.3、 font.c](#3.3、 font.c)
  - [3.4、 main.c](#3.4、 main.c)
二、IIC通信协议详解
- 1、基本概念
- 2、物理层连接
- [3、通信机制与帧结构](#3、通信机制与帧结构)
- - [3.1、起始条件（START Condition）](#3.1、起始条件（START Condition）)
  - [3.2、从设备地址（Slave Address）](#3.2、从设备地址（Slave Address）)
  - [3.3、应答信号（ACK / NACK）](#3.3、应答信号（ACK / NACK）)
  - [3.4、数据传输（Data Transfer）](#3.4、数据传输（Data Transfer）)
  - [3.5、重复起始条件（Repeated START Condition）](#3.5、重复起始条件（Repeated START Condition）)
  - [3.6、停止条件（STOP Condition）](#3.6、停止条件（STOP Condition）)
- [4、时钟同步与仲裁](#4、时钟同步与仲裁)
- 5、关键特性总结
- 6、注意事项
三、ESP-IDF详解
- [1、ESP32 概述](#1、ESP32 概述)
- [2、 ESP-IDF 详解](#2、 ESP-IDF 详解)
- - [2.1 、ESP-IDF 的核心组件与架构](#2.1 、ESP-IDF 的核心组件与架构)
  - [2.2 、ESP-IDF 开发环境与工具链](#2.2 、ESP-IDF 开发环境与工具链)
  - [2.3 、ESP-IDF 开发流程简述](#2.3 、ESP-IDF 开发流程简述)
  - [2.4、示例代码结构 (最简单的 Hello World)](#2.4、示例代码结构 (最简单的 Hello World))
  - [2.5、优势与特点](#2.5、优势与特点)
  - [2.6 、适用场景](#2.6 、适用场景)
- 3、总结

一、源码分享

1、效果展示

2、开发环境搭建

参考我这篇博文：VS Code 在线安装ESP-IDF，ESP32开发环境搭建详细教程

3、源码分享

3.1、oled.h

c 复制代码

#ifndef __OLED_H__
#define __OLED_H__

#include "iic.h"
#include "driver/gpio.h"
#include "esp_log.h"
#include "xl9555.h"


#ifdef __cplusplus
extern "C" {
#endif

typedef enum
{
  OLED_PIN_RESET = 0u,
  OLED_PIN_SET
} OLED_PinState;

#define OLED_ADDR       0X3C    /* OLED地址 */
#define OLED_CMD        0x00    /* 写命令 */
#define OLED_DATA       0x40    /* 写数据 */

/* 引脚定义 */
#define OLED_SCL_PIN    4
#define OLED_SDA_PIN    5
#define OLED_D2_PIN     6
#define OLED_DC_PIN     38
#define OLED_RST_PIN     38

/* 端口定义 */
#define OLED_DC(x)      do{ x ?                                          \
                            gpio_set_level(OLED_DC_PIN, OLED_PIN_SET) :  \
                            gpio_set_level(OLED_DC_PIN, OLED_PIN_RESET); \
                          }while(0) 

#define OLED_RST(x)     do{ x ?                                            \
                            gpio_set_level(OLED_RST_PIN , OLED_PIN_SET) :  \
                            gpio_set_level(OLED_RST_PIN , OLED_PIN_RESET); \
                          }while(0)

/* 函数声明 */
void oled_init(i2c_obj_t self);                                                     /* 初始化OLED */
void oled_on(void);                                                                 /* 打开OLED */
void oled_off(void);                                                                /* 关闭OLED */
void oled_clear(void);                                                              /* 清屏 */
void oled_draw_point(uint8_t x, uint8_t y, uint8_t dot);                            /* OLED画点 */
void oled_fill(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, uint8_t dot);        /* OLED填充区域填充 */
void oled_show_char(uint8_t x, uint8_t y, uint8_t chr, uint8_t size, uint8_t mode); /* 在指定位置显示一个字符,包括部分字符  */
uint32_t oled_pow(uint8_t m, uint8_t n);                                     /* 平方函数, m^n */
void oled_show_num(uint8_t x, uint8_t y, uint32_t num, uint8_t len, uint8_t size);  /* 显示len个数字 */
void oled_show_string(uint8_t x, uint8_t y, const char *p, uint8_t size);           /* 显示字符串 */
void oled_refresh_gram(void);

#endif

#ifdef  __cplusplus
}

#endif /*  __cplusplus */

3.2、 oled.c

c 复制代码

#define __OLED_VERSION__  "1.0"

#include "oled.h"
#include "oledfont.h"


i2c_obj_t oled_master;

/*OLED的显存
    存放格式如下.
    [0]0 1 2 3 ... 127
    [1]0 1 2 3 ... 127
    [2]0 1 2 3 ... 127
    [3]0 1 2 3 ... 127
    [4]0 1 2 3 ... 127
    [5]0 1 2 3 ... 127
    [6]0 1 2 3 ... 127
    [7]0 1 2 3 ... 127
*/
uint8_t OLED_GRAM[128][8];

/**
 * @brief       oled IIC写数据
 * @param       data_wr：发送的数据或者命令
 * @param       size   ：发送数据的大小
 * @retval      0：发送成功；非0值：发送失败
 */
esp_err_t oled_write(uint8_t* data_wr, size_t size)
{
    i2c_buf_t bufs = {
        .len = size,
        .buf = data_wr,
    };

    i2c_transfer(&oled_master, OLED_ADDR, 1, &bufs, I2C_FLAG_STOP);
    return ESP_OK;
}

/**
 * @brief       oled 写命令
 * @param       tx_data：数据
 * @param       command：命令值
 * @retval      无
 */
void oled_write_Byte(unsigned char tx_data, unsigned char command)
{
    unsigned char data[2] = {command, tx_data};
    oled_write(data, sizeof(data));
}

/**
 * @brief       更新显存到LCD
 * @param       无
 * @retval      无
 */
void oled_refresh_gram(void)
{
    uint8_t i, n;
    
    for (i = 0; i < 8; i++)
    {  
        oled_write_Byte(0xb0 + i, OLED_CMD);     /* 设置页地址（0~7） */
        oled_write_Byte(0x00, OLED_CMD);         /* 设置显示位置---列低地址 */
        oled_write_Byte(0x10, OLED_CMD);         /* 设置显示位置---列高地址 */
        
        for (n = 0; n < 128; n++)
        {
            oled_write_Byte(OLED_GRAM[n][i], OLED_DATA);
        }
    }
}

/**
 * @brief       初始化OLED
 * @param       i2c_obj_t self: 传入的IIC初始化参数，用以判断是否已经完成IIC初始化
 * @retval      无
 */
void oled_init(i2c_obj_t self)
{
    if (self.init_flag == ESP_FAIL)
    {
        iic_init(I2C_NUM_1);                                /* 初始化IIC */
    }

    oled_master = self;
    gpio_config_t gpio_init_struct = {0};

    gpio_init_struct.intr_type = GPIO_INTR_DISABLE;         /* 失能引脚中断 */
    gpio_init_struct.mode = GPIO_MODE_INPUT;                /* 输入输出模式 */
    gpio_init_struct.pull_up_en = GPIO_PULLUP_ENABLE;       /* 使能上拉 */
    gpio_init_struct.pull_down_en = GPIO_PULLDOWN_DISABLE;  /* 失能下拉 */
    gpio_init_struct.pin_bit_mask = 1ULL << OLED_D2_PIN;    /* 设置的引脚的位掩码 */
    gpio_config(&gpio_init_struct);

    gpio_init_struct.intr_type = GPIO_INTR_DISABLE;         /* 失能引脚中断 */
    gpio_init_struct.mode = GPIO_MODE_OUTPUT;               /* 输入输出模式 */
    gpio_init_struct.pull_up_en = GPIO_PULLUP_ENABLE;       /* 使能上拉 */
    gpio_init_struct.pull_down_en = GPIO_PULLDOWN_DISABLE;  /* 失能下拉 */
    gpio_init_struct.pin_bit_mask = 1ULL << OLED_DC_PIN;    /* 设置的引脚的位掩码 */
    gpio_config(&gpio_init_struct);
    
    gpio_init_struct.intr_type = GPIO_INTR_DISABLE;         /* 失能引脚中断 */
    gpio_init_struct.mode = GPIO_MODE_OUTPUT;               /* 输入输出模式 */
    gpio_init_struct.pull_up_en = GPIO_PULLUP_ENABLE;       /* 使能上拉 */
    gpio_init_struct.pull_down_en = GPIO_PULLDOWN_DISABLE;  /* 失能下拉 */
    gpio_init_struct.pin_bit_mask = 1ULL << OLED_RS_PIN;    /* 设置的引脚的位掩码 */
    gpio_config(&gpio_init_struct);    

    OLED_DC(0);
    
   

    /*复位OLED*/
    OLED_RST(0);
    vTaskDelay(100);
    OLED_RST(1);
    vTaskDelay(100);

    /* 初始化代码 */
    oled_write_Byte(0xAE, OLED_CMD);    /* 关闭显示 */
    oled_write_Byte(0xD5, OLED_CMD);    /* 设置时钟分频因子,震荡频率 */
    oled_write_Byte(80, OLED_CMD);      /* [3:0],分频因子;[7:4],震荡频率 */
    oled_write_Byte(0xA8, OLED_CMD);    /* 设置驱动路数 */
    oled_write_Byte(0X3F, OLED_CMD);    /* 默认0X3F(1/64) */
    oled_write_Byte(0xD3, OLED_CMD);    /* 设置显示偏移 */
    oled_write_Byte(0X00, OLED_CMD);    /* 默认为0 */

    oled_write_Byte(0x40, OLED_CMD);    /* 设置显示开始行 [5:0],行数 */

    oled_write_Byte(0x8D, OLED_CMD);    /* 电荷泵设置 */
    oled_write_Byte(0x14, OLED_CMD);    /* bit2，开启/关闭 */
    oled_write_Byte(0x20, OLED_CMD);    /* 设置内存地址模式 */
    oled_write_Byte(0x02, OLED_CMD);    /* [1:0],00，列地址模式;01，行地址模式;10,页地址模式;默认10; */
    oled_write_Byte(0xA1, OLED_CMD);    /* 段重定义设置,bit0:0,0->0;1,0->127; */
    oled_write_Byte(0xC0, OLED_CMD);    /* 设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数 */
    oled_write_Byte(0xDA, OLED_CMD);    /* 设置COM硬件引脚配置 */
    oled_write_Byte(0x12, OLED_CMD);    /* [5:4]配置 */
            
    oled_write_Byte(0x81, OLED_CMD);    /* 对比度设置 */
    oled_write_Byte(0xEF, OLED_CMD);    /* 1~255;默认0X7F (亮度设置,越大越亮) */
    oled_write_Byte(0xD9, OLED_CMD);    /* 设置预充电周期 */
    oled_write_Byte(0xf1, OLED_CMD);    /* [3:0],PHASE 1;[7:4],PHASE 2; */
    oled_write_Byte(0xDB, OLED_CMD);    /* 设置VCOMH 电压倍率 */
    oled_write_Byte(0x30, OLED_CMD);    /* [6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc; */

    oled_write_Byte(0xA4, OLED_CMD);    /* 全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏) */
    oled_write_Byte(0xA6, OLED_CMD);    /* 设置显示方式;bit0:1,反相显示;0,正常显示 */
    oled_write_Byte(0xAF, OLED_CMD);    /* 开启显示 */
    /* 打开oled */
    oled_on();
    oled_clear();
}

/**
 * @brief       打开OLED
 * @param       无
 * @retval      无
 */
void oled_on(void)
{
    oled_write_Byte(0X8D, OLED_CMD);
    oled_write_Byte(0X14, OLED_CMD);
    oled_write_Byte(0XAF, OLED_CMD);
}

/**
 * @brief       关闭OLED
 * @param       无
 * @retval      无
 */
void oled_off(void)
{
    oled_write_Byte(0X8D, OLED_CMD);
    oled_write_Byte(0X10, OLED_CMD);
    oled_write_Byte(0XAE, OLED_CMD);
}

/**
 * @brief       清屏
 * @param       无
 * @retval      无
 */
void oled_clear(void)
{
    uint8_t i,n;

    for (i = 0;i < 8;i++)
    {
        for (n = 0;n < 128;n++)
        {
            OLED_GRAM[n][i] = 0X00;
        }
    }

    oled_refresh_gram();    /* 更新显示 */
}

/**
 * @brief       OLED画点 
 * @param       x  : 0~127
 * @param       y  : 0~63
 * @param       dot: 1 填充 0,清空
 * @retval      无
 */ 
void oled_draw_point(uint8_t x, uint8_t y, uint8_t dot)
{
    uint8_t pos, bx, temp = 0;

    if (x > 127 || y > 63)
    {
        return;                     /* 超出范围了 */
    }

    pos = 7 - y / 8;                /* 计算GRAM里面的y坐标所在的字节, 每个字节可以存储8个行坐标 */
    bx = y % 8;                     /* 取余数,方便计算y在对应字节里面的位置,及行(y)位置 */
    temp = 1 << (7 - bx);           /* 高位表示高行号, 得到y对应的bit位置,将该bit先置1 */

    if(dot)                         /* 画实心点 */
    {
        OLED_GRAM[x][pos] |= temp;  
    }
    else                            /* 画空点,即不显示 */
    {
        OLED_GRAM[x][pos] &= ~ temp;
    }
}

/**
 * @brief       OLED填充区域填充 
 * @note:       注意:需要确保: x1<=x2; y1<=y2  0<=x1<=127  0<=y1<=63
 * @param       x1,y1: 起点坐标
 * @param       x2,y2: 终点坐标 
 * @param       dot: 1 填充 0,清空
 * @retval      无
 */ 
void oled_fill(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2, uint8_t dot)
{
    uint8_t x, y;
    
    for (x = x1; x <= x2; x++)
    {
        for (y = y1; y <= y2; y++)
        {
            oled_draw_point(x, y, dot);
        }
    }

    oled_refresh_gram();    /* 更新显示 */
}

/**
 * @brief       在指定位置显示一个字符,包括部分字符 
 * @param       x   : 0~127
 * @param       y   : 0~63
 * @param       size: 选择字体 12/16/24
 * @param       mode: 0,反白显示;1,正常显示
 * @retval      无
 */ 
void oled_show_char(uint8_t x, uint8_t y, uint8_t chr, uint8_t size, uint8_t mode)
{
    uint8_t temp, t, t1;
    uint8_t y0 = y;
    uint8_t csize = (size / 8 + ((size % 8) ? 1 : 0)) * (size / 2); /* 得到字体一个字符对应点阵集所占的字节数 */
    chr = chr - ' ';                                                /* 得到偏移后的值 */
    
    for (t = 0; t < csize; t ++)
    {   
        if (size == 12)
        {
            temp = atk_asc2_1206[chr][t];                           /* 调用1206字体 */
        }
        else if (size == 16)
        {
            temp = atk_asc2_1608[chr][t];                           /* 调用1608字体 */
        }
        else if (size == 24)
        {
            temp = atk_asc2_2412[chr][t];                           /* 调用2412字体 */
        }
        else
        {
            return;                                                 /* 没有的字库 */
        }

        for (t1 = 0; t1 < 8; t1++)
        {
            if (temp & 0x80)
            {
                oled_draw_point(x, y, mode);
            }
            else
            {
                oled_draw_point(x, y, !mode);
            }

            temp <<= 1;
            y++;

            if ((y - y0) == size)
            {
                y = y0;
                x++;
                break;
            }
        }
    }
}

/**
 * @brief       平方函数, m^n
 * @param       m: 底数
 * @param       n: 指数 
 * @retval      无
 */
uint32_t oled_pow(uint8_t m, uint8_t n)
{
    uint32_t result = 1;

    while (n--)
    {
        result *= m;
    }

    return result;
}

/**
 * @brief       显示len个数字 
 * @param       x,y : 起始坐标
 * @param       num : 数值(0 ~ 2^32)
 * @param       len : 显示数字的位数
 * @param       size: 选择字体 12/16/24
 * @retval      无
 */
void oled_show_num(uint8_t x, uint8_t y, uint32_t num, uint8_t len, uint8_t size)
{
    uint8_t t, temp;
    uint8_t enshow = 0;
    
    for (t = 0; t < len; t++)                                       /* 按总显示位数循环 */ 
    {
        temp = (num / oled_pow(10, len - t - 1)) % 10;              /* 获取对应位的数字 */

        if (enshow == 0 && t < (len - 1))                           /* 没有使能显示,且还有位要显示 */
        {
            if (temp == 0)
            {
                oled_show_char(x + (size / 2)*t, y, ' ', size, 1);  /* 显示空格,站位 */
                continue;                                           /* 继续下个一位 */
            }
            else
            {
                enshow = 1;                                         /* 使能显示 */
            }
        }

        oled_show_char(x + (size / 2)*t, y, temp + '0', size, 1);   /* 显示字符 */
    }
} 

/**
 * @brief       显示字符串
 * @param       x,y : 起始坐标
 * @param       size: 选择字体 12/16/24
 * @param       *p  : 字符串指针,指向字符串首地址 
 * @retval      无
 */ 
void oled_show_string(uint8_t x, uint8_t y, const char *p, uint8_t size)
{
    while ((*p <= '~') && (*p >= ' '))      /* 判断是不是非法字符!*/
    {       
        if (x > (128 - (size / 2)))         /* 宽度越界 */
        {
            x = 0;
            y += size;                      /* 换行 */
        }
        if (y > (64 - size))                /* 高度越界 */
        {
            y = x = 0;
            oled_clear();
        }

        oled_show_char(x, y, *p, size, 1);  /* 显示一个字符 */
        x += size / 2;                      /* ASCII字符宽度为汉字宽度的一半 */
        p++;
    }
}

3.3、 font.c

c 复制代码

#ifndef __OLEDFONT_H
#define __OLEDFONT_H


/*  常用ASCII表
    偏移量32 
    ASCII字符集: !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~
    PC2LCD2002取模方式设置：阴码+逐列式+顺向+C51格式
    总共：3个字符集（12*12、16*16和24*24），用户可以自行新增其他分辨率的字符集。
    每个字符所占用的字节数为:(size/8+((size%8)?1:0))*(size/2),其中size:是字库生成时的点阵大小(12/16/24...)
*/

/* 12*12 ASCII字符集点阵 */
const unsigned char atk_asc2_1206[95][12]={
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/
{0x00,0x00,0x00,0x00,0x3F,0x40,0x00,0x00,0x00,0x00,0x00,0x00},/*"!",1*/
{0x00,0x00,0x30,0x00,0x40,0x00,0x30,0x00,0x40,0x00,0x00,0x00},/*""",2*/
{0x09,0x00,0x0B,0xC0,0x3D,0x00,0x0B,0xC0,0x3D,0x00,0x09,0x00},/*"#",3*/
{0x18,0xC0,0x24,0x40,0x7F,0xE0,0x22,0x40,0x31,0x80,0x00,0x00},/*"$",4*/
{0x18,0x00,0x24,0xC0,0x1B,0x00,0x0D,0x80,0x32,0x40,0x01,0x80},/*"%",5*/
{0x03,0x80,0x1C,0x40,0x27,0x40,0x1C,0x80,0x07,0x40,0x00,0x40},/*"&",6*/
{0x10,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"'",7*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x80,0x20,0x40,0x40,0x20},/*"(",8*/
{0x00,0x00,0x40,0x20,0x20,0x40,0x1F,0x80,0x00,0x00,0x00,0x00},/*")",9*/
{0x09,0x00,0x06,0x00,0x1F,0x80,0x06,0x00,0x09,0x00,0x00,0x00},/*"*",10*/
{0x04,0x00,0x04,0x00,0x3F,0x80,0x04,0x00,0x04,0x00,0x00,0x00},/*"+",11*/
{0x00,0x10,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*",",12*/
{0x04,0x00,0x04,0x00,0x04,0x00,0x04,0x00,0x04,0x00,0x00,0x00},/*"-",13*/
{0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*".",14*/
{0x00,0x20,0x01,0xC0,0x06,0x00,0x38,0x00,0x40,0x00,0x00,0x00},/*"/",15*/
{0x1F,0x80,0x20,0x40,0x20,0x40,0x20,0x40,0x1F,0x80,0x00,0x00},/*"0",16*/
{0x00,0x00,0x10,0x40,0x3F,0xC0,0x00,0x40,0x00,0x00,0x00,0x00},/*"1",17*/
{0x18,0xC0,0x21,0x40,0x22,0x40,0x24,0x40,0x18,0x40,0x00,0x00},/*"2",18*/
{0x10,0x80,0x20,0x40,0x24,0x40,0x24,0x40,0x1B,0x80,0x00,0x00},/*"3",19*/
{0x02,0x00,0x0D,0x00,0x11,0x00,0x3F,0xC0,0x01,0x40,0x00,0x00},/*"4",20*/
{0x3C,0x80,0x24,0x40,0x24,0x40,0x24,0x40,0x23,0x80,0x00,0x00},/*"5",21*/
{0x1F,0x80,0x24,0x40,0x24,0x40,0x34,0x40,0x03,0x80,0x00,0x00},/*"6",22*/
{0x30,0x00,0x20,0x00,0x27,0xC0,0x38,0x00,0x20,0x00,0x00,0x00},/*"7",23*/
{0x1B,0x80,0x24,0x40,0x24,0x40,0x24,0x40,0x1B,0x80,0x00,0x00},/*"8",24*/
{0x1C,0x00,0x22,0xC0,0x22,0x40,0x22,0x40,0x1F,0x80,0x00,0x00},/*"9",25*/
{0x00,0x00,0x00,0x00,0x08,0x40,0x00,0x00,0x00,0x00,0x00,0x00},/*":",26*/
{0x00,0x00,0x00,0x00,0x04,0x60,0x00,0x00,0x00,0x00,0x00,0x00},/*";",27*/
{0x00,0x00,0x04,0x00,0x0A,0x00,0x11,0x00,0x20,0x80,0x40,0x40},/*"<",28*/
{0x09,0x00,0x09,0x00,0x09,0x00,0x09,0x00,0x09,0x00,0x00,0x00},/*"=",29*/
{0x00,0x00,0x40,0x40,0x20,0x80,0x11,0x00,0x0A,0x00,0x04,0x00},/*">",30*/
{0x18,0x00,0x20,0x00,0x23,0x40,0x24,0x00,0x18,0x00,0x00,0x00},/*"?",31*/
{0x1F,0x80,0x20,0x40,0x27,0x40,0x29,0x40,0x1F,0x40,0x00,0x00},/*"@",32*/
{0x00,0x40,0x07,0xC0,0x39,0x00,0x0F,0x00,0x01,0xC0,0x00,0x40},/*"A",33*/
{0x20,0x40,0x3F,0xC0,0x24,0x40,0x24,0x40,0x1B,0x80,0x00,0x00},/*"B",34*/
{0x1F,0x80,0x20,0x40,0x20,0x40,0x20,0x40,0x30,0x80,0x00,0x00},/*"C",35*/
{0x20,0x40,0x3F,0xC0,0x20,0x40,0x20,0x40,0x1F,0x80,0x00,0x00},/*"D",36*/
{0x20,0x40,0x3F,0xC0,0x24,0x40,0x2E,0x40,0x30,0xC0,0x00,0x00},/*"E",37*/
{0x20,0x40,0x3F,0xC0,0x24,0x40,0x2E,0x00,0x30,0x00,0x00,0x00},/*"F",38*/
{0x0F,0x00,0x10,0x80,0x20,0x40,0x22,0x40,0x33,0x80,0x02,0x00},/*"G",39*/
{0x20,0x40,0x3F,0xC0,0x04,0x00,0x04,0x00,0x3F,0xC0,0x20,0x40},/*"H",40*/
{0x20,0x40,0x20,0x40,0x3F,0xC0,0x20,0x40,0x20,0x40,0x00,0x00},/*"I",41*/
{0x00,0x60,0x20,0x20,0x20,0x20,0x3F,0xC0,0x20,0x00,0x20,0x00},/*"J",42*/
{0x20,0x40,0x3F,0xC0,0x24,0x40,0x0B,0x00,0x30,0xC0,0x20,0x40},/*"K",43*/
{0x20,0x40,0x3F,0xC0,0x20,0x40,0x00,0x40,0x00,0x40,0x00,0xC0},/*"L",44*/
{0x3F,0xC0,0x3C,0x00,0x03,0xC0,0x3C,0x00,0x3F,0xC0,0x00,0x00},/*"M",45*/
{0x20,0x40,0x3F,0xC0,0x0C,0x40,0x23,0x00,0x3F,0xC0,0x20,0x00},/*"N",46*/
{0x1F,0x80,0x20,0x40,0x20,0x40,0x20,0x40,0x1F,0x80,0x00,0x00},/*"O",47*/
{0x20,0x40,0x3F,0xC0,0x24,0x40,0x24,0x00,0x18,0x00,0x00,0x00},/*"P",48*/
{0x1F,0x80,0x21,0x40,0x21,0x40,0x20,0xE0,0x1F,0xA0,0x00,0x00},/*"Q",49*/
{0x20,0x40,0x3F,0xC0,0x24,0x40,0x26,0x00,0x19,0xC0,0x00,0x40},/*"R",50*/
{0x18,0xC0,0x24,0x40,0x24,0x40,0x22,0x40,0x31,0x80,0x00,0x00},/*"S",51*/
{0x30,0x00,0x20,0x40,0x3F,0xC0,0x20,0x40,0x30,0x00,0x00,0x00},/*"T",52*/
{0x20,0x00,0x3F,0x80,0x00,0x40,0x00,0x40,0x3F,0x80,0x20,0x00},/*"U",53*/
{0x20,0x00,0x3E,0x00,0x01,0xC0,0x07,0x00,0x38,0x00,0x20,0x00},/*"V",54*/
{0x38,0x00,0x07,0xC0,0x3C,0x00,0x07,0xC0,0x38,0x00,0x00,0x00},/*"W",55*/
{0x20,0x40,0x39,0xC0,0x06,0x00,0x39,0xC0,0x20,0x40,0x00,0x00},/*"X",56*/
{0x20,0x00,0x38,0x40,0x07,0xC0,0x38,0x40,0x20,0x00,0x00,0x00},/*"Y",57*/
{0x30,0x40,0x21,0xC0,0x26,0x40,0x38,0x40,0x20,0xC0,0x00,0x00},/*"Z",58*/
{0x00,0x00,0x00,0x00,0x7F,0xE0,0x40,0x20,0x40,0x20,0x00,0x00},/*"[",59*/
{0x00,0x00,0x70,0x00,0x0C,0x00,0x03,0x80,0x00,0x40,0x00,0x00},/*"\",60*/
{0x00,0x00,0x40,0x20,0x40,0x20,0x7F,0xE0,0x00,0x00,0x00,0x00},/*"]",61*/
{0x00,0x00,0x20,0x00,0x40,0x00,0x20,0x00,0x00,0x00,0x00,0x00},/*"^",62*/
{0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10},/*"_",63*/
{0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"`",64*/
{0x00,0x00,0x02,0x80,0x05,0x40,0x05,0x40,0x03,0xC0,0x00,0x40},/*"a",65*/
{0x20,0x00,0x3F,0xC0,0x04,0x40,0x04,0x40,0x03,0x80,0x00,0x00},/*"b",66*/
{0x00,0x00,0x03,0x80,0x04,0x40,0x04,0x40,0x06,0x40,0x00,0x00},/*"c",67*/
{0x00,0x00,0x03,0x80,0x04,0x40,0x24,0x40,0x3F,0xC0,0x00,0x40},/*"d",68*/
{0x00,0x00,0x03,0x80,0x05,0x40,0x05,0x40,0x03,0x40,0x00,0x00},/*"e",69*/
{0x00,0x00,0x04,0x40,0x1F,0xC0,0x24,0x40,0x24,0x40,0x20,0x00},/*"f",70*/
{0x00,0x00,0x02,0xE0,0x05,0x50,0x05,0x50,0x06,0x50,0x04,0x20},/*"g",71*/
{0x20,0x40,0x3F,0xC0,0x04,0x40,0x04,0x00,0x03,0xC0,0x00,0x40},/*"h",72*/
{0x00,0x00,0x04,0x40,0x27,0xC0,0x00,0x40,0x00,0x00,0x00,0x00},/*"i",73*/
{0x00,0x10,0x00,0x10,0x04,0x10,0x27,0xE0,0x00,0x00,0x00,0x00},/*"j",74*/
{0x20,0x40,0x3F,0xC0,0x01,0x40,0x07,0x00,0x04,0xC0,0x04,0x40},/*"k",75*/
{0x20,0x40,0x20,0x40,0x3F,0xC0,0x00,0x40,0x00,0x40,0x00,0x00},/*"l",76*/
{0x07,0xC0,0x04,0x00,0x07,0xC0,0x04,0x00,0x03,0xC0,0x00,0x00},/*"m",77*/
{0x04,0x40,0x07,0xC0,0x04,0x40,0x04,0x00,0x03,0xC0,0x00,0x40},/*"n",78*/
{0x00,0x00,0x03,0x80,0x04,0x40,0x04,0x40,0x03,0x80,0x00,0x00},/*"o",79*/
{0x04,0x10,0x07,0xF0,0x04,0x50,0x04,0x40,0x03,0x80,0x00,0x00},/*"p",80*/
{0x00,0x00,0x03,0x80,0x04,0x40,0x04,0x50,0x07,0xF0,0x00,0x10},/*"q",81*/
{0x04,0x40,0x07,0xC0,0x02,0x40,0x04,0x00,0x04,0x00,0x00,0x00},/*"r",82*/
{0x00,0x00,0x06,0x40,0x05,0x40,0x05,0x40,0x04,0xC0,0x00,0x00},/*"s",83*/
{0x00,0x00,0x04,0x00,0x1F,0x80,0x04,0x40,0x00,0x40,0x00,0x00},/*"t",84*/
{0x04,0x00,0x07,0x80,0x00,0x40,0x04,0x40,0x07,0xC0,0x00,0x40},/*"u",85*/
{0x04,0x00,0x07,0x00,0x04,0xC0,0x01,0x80,0x06,0x00,0x04,0x00},/*"v",86*/
{0x06,0x00,0x01,0xC0,0x07,0x00,0x01,0xC0,0x06,0x00,0x00,0x00},/*"w",87*/
{0x04,0x40,0x06,0xC0,0x01,0x00,0x06,0xC0,0x04,0x40,0x00,0x00},/*"x",88*/
{0x04,0x10,0x07,0x10,0x04,0xE0,0x01,0x80,0x06,0x00,0x04,0x00},/*"y",89*/
{0x00,0x00,0x04,0x40,0x05,0xC0,0x06,0x40,0x04,0x40,0x00,0x00},/*"z",90*/
{0x00,0x00,0x00,0x00,0x04,0x00,0x7B,0xE0,0x40,0x20,0x00,0x00},/*"{",91*/
{0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xF0,0x00,0x00,0x00,0x00},/*"|",92*/
{0x00,0x00,0x40,0x20,0x7B,0xE0,0x04,0x00,0x00,0x00,0x00,0x00},/*"}",93*/
{0x40,0x00,0x80,0x00,0x40,0x00,0x20,0x00,0x20,0x00,0x40,0x00},/*"~",94*/
};  

/* 16*16 ASCII字符集点阵 */
const unsigned char atk_asc2_1608[95][16]={	  
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xCC,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00},/*"!",1*/
{0x00,0x00,0x08,0x00,0x30,0x00,0x60,0x00,0x08,0x00,0x30,0x00,0x60,0x00,0x00,0x00},/*""",2*/
{0x02,0x20,0x03,0xFC,0x1E,0x20,0x02,0x20,0x03,0xFC,0x1E,0x20,0x02,0x20,0x00,0x00},/*"#",3*/
{0x00,0x00,0x0E,0x18,0x11,0x04,0x3F,0xFF,0x10,0x84,0x0C,0x78,0x00,0x00,0x00,0x00},/*"$",4*/
{0x0F,0x00,0x10,0x84,0x0F,0x38,0x00,0xC0,0x07,0x78,0x18,0x84,0x00,0x78,0x00,0x00},/*"%",5*/
{0x00,0x78,0x0F,0x84,0x10,0xC4,0x11,0x24,0x0E,0x98,0x00,0xE4,0x00,0x84,0x00,0x08},/*"&",6*/
{0x08,0x00,0x68,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"'",7*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xE0,0x18,0x18,0x20,0x04,0x40,0x02,0x00,0x00},/*"(",8*/
{0x00,0x00,0x40,0x02,0x20,0x04,0x18,0x18,0x07,0xE0,0x00,0x00,0x00,0x00,0x00,0x00},/*")",9*/
{0x02,0x40,0x02,0x40,0x01,0x80,0x0F,0xF0,0x01,0x80,0x02,0x40,0x02,0x40,0x00,0x00},/*"*",10*/
{0x00,0x80,0x00,0x80,0x00,0x80,0x0F,0xF8,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x00},/*"+",11*/
{0x00,0x01,0x00,0x0D,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*",",12*/
{0x00,0x00,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80},/*"-",13*/
{0x00,0x00,0x00,0x0C,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*".",14*/
{0x00,0x00,0x00,0x06,0x00,0x18,0x00,0x60,0x01,0x80,0x06,0x00,0x18,0x00,0x20,0x00},/*"/",15*/
{0x00,0x00,0x07,0xF0,0x08,0x08,0x10,0x04,0x10,0x04,0x08,0x08,0x07,0xF0,0x00,0x00},/*"0",16*/
{0x00,0x00,0x08,0x04,0x08,0x04,0x1F,0xFC,0x00,0x04,0x00,0x04,0x00,0x00,0x00,0x00},/*"1",17*/
{0x00,0x00,0x0E,0x0C,0x10,0x14,0x10,0x24,0x10,0x44,0x11,0x84,0x0E,0x0C,0x00,0x00},/*"2",18*/
{0x00,0x00,0x0C,0x18,0x10,0x04,0x11,0x04,0x11,0x04,0x12,0x88,0x0C,0x70,0x00,0x00},/*"3",19*/
{0x00,0x00,0x00,0xE0,0x03,0x20,0x04,0x24,0x08,0x24,0x1F,0xFC,0x00,0x24,0x00,0x00},/*"4",20*/
{0x00,0x00,0x1F,0x98,0x10,0x84,0x11,0x04,0x11,0x04,0x10,0x88,0x10,0x70,0x00,0x00},/*"5",21*/
{0x00,0x00,0x07,0xF0,0x08,0x88,0x11,0x04,0x11,0x04,0x18,0x88,0x00,0x70,0x00,0x00},/*"6",22*/
{0x00,0x00,0x1C,0x00,0x10,0x00,0x10,0xFC,0x13,0x00,0x1C,0x00,0x10,0x00,0x00,0x00},/*"7",23*/
{0x00,0x00,0x0E,0x38,0x11,0x44,0x10,0x84,0x10,0x84,0x11,0x44,0x0E,0x38,0x00,0x00},/*"8",24*/
{0x00,0x00,0x07,0x00,0x08,0x8C,0x10,0x44,0x10,0x44,0x08,0x88,0x07,0xF0,0x00,0x00},/*"9",25*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x0C,0x03,0x0C,0x00,0x00,0x00,0x00,0x00,0x00},/*":",26*/
{0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*";",27*/
{0x00,0x00,0x00,0x80,0x01,0x40,0x02,0x20,0x04,0x10,0x08,0x08,0x10,0x04,0x00,0x00},/*"<",28*/
{0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x00,0x00},/*"=",29*/
{0x00,0x00,0x10,0x04,0x08,0x08,0x04,0x10,0x02,0x20,0x01,0x40,0x00,0x80,0x00,0x00},/*">",30*/
{0x00,0x00,0x0E,0x00,0x12,0x00,0x10,0x0C,0x10,0x6C,0x10,0x80,0x0F,0x00,0x00,0x00},/*"?",31*/
{0x03,0xE0,0x0C,0x18,0x13,0xE4,0x14,0x24,0x17,0xC4,0x08,0x28,0x07,0xD0,0x00,0x00},/*"@",32*/
{0x00,0x04,0x00,0x3C,0x03,0xC4,0x1C,0x40,0x07,0x40,0x00,0xE4,0x00,0x1C,0x00,0x04},/*"A",33*/
{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x04,0x11,0x04,0x0E,0x88,0x00,0x70,0x00,0x00},/*"B",34*/
{0x03,0xE0,0x0C,0x18,0x10,0x04,0x10,0x04,0x10,0x04,0x10,0x08,0x1C,0x10,0x00,0x00},/*"C",35*/
{0x10,0x04,0x1F,0xFC,0x10,0x04,0x10,0x04,0x10,0x04,0x08,0x08,0x07,0xF0,0x00,0x00},/*"D",36*/
{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x04,0x17,0xC4,0x10,0x04,0x08,0x18,0x00,0x00},/*"E",37*/
{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x00,0x17,0xC0,0x10,0x00,0x08,0x00,0x00,0x00},/*"F",38*/
{0x03,0xE0,0x0C,0x18,0x10,0x04,0x10,0x04,0x10,0x44,0x1C,0x78,0x00,0x40,0x00,0x00},/*"G",39*/
{0x10,0x04,0x1F,0xFC,0x10,0x84,0x00,0x80,0x00,0x80,0x10,0x84,0x1F,0xFC,0x10,0x04},/*"H",40*/
{0x00,0x00,0x10,0x04,0x10,0x04,0x1F,0xFC,0x10,0x04,0x10,0x04,0x00,0x00,0x00,0x00},/*"I",41*/
{0x00,0x03,0x00,0x01,0x10,0x01,0x10,0x01,0x1F,0xFE,0x10,0x00,0x10,0x00,0x00,0x00},/*"J",42*/
{0x10,0x04,0x1F,0xFC,0x11,0x04,0x03,0x80,0x14,0x64,0x18,0x1C,0x10,0x04,0x00,0x00},/*"K",43*/
{0x10,0x04,0x1F,0xFC,0x10,0x04,0x00,0x04,0x00,0x04,0x00,0x04,0x00,0x0C,0x00,0x00},/*"L",44*/
{0x10,0x04,0x1F,0xFC,0x1F,0x00,0x00,0xFC,0x1F,0x00,0x1F,0xFC,0x10,0x04,0x00,0x00},/*"M",45*/
{0x10,0x04,0x1F,0xFC,0x0C,0x04,0x03,0x00,0x00,0xE0,0x10,0x18,0x1F,0xFC,0x10,0x00},/*"N",46*/
{0x07,0xF0,0x08,0x08,0x10,0x04,0x10,0x04,0x10,0x04,0x08,0x08,0x07,0xF0,0x00,0x00},/*"O",47*/
{0x10,0x04,0x1F,0xFC,0x10,0x84,0x10,0x80,0x10,0x80,0x10,0x80,0x0F,0x00,0x00,0x00},/*"P",48*/
{0x07,0xF0,0x08,0x18,0x10,0x24,0x10,0x24,0x10,0x1C,0x08,0x0A,0x07,0xF2,0x00,0x00},/*"Q",49*/
{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x00,0x11,0xC0,0x11,0x30,0x0E,0x0C,0x00,0x04},/*"R",50*/
{0x00,0x00,0x0E,0x1C,0x11,0x04,0x10,0x84,0x10,0x84,0x10,0x44,0x1C,0x38,0x00,0x00},/*"S",51*/
{0x18,0x00,0x10,0x00,0x10,0x04,0x1F,0xFC,0x10,0x04,0x10,0x00,0x18,0x00,0x00,0x00},/*"T",52*/
{0x10,0x00,0x1F,0xF8,0x10,0x04,0x00,0x04,0x00,0x04,0x10,0x04,0x1F,0xF8,0x10,0x00},/*"U",53*/
{0x10,0x00,0x1E,0x00,0x11,0xE0,0x00,0x1C,0x00,0x70,0x13,0x80,0x1C,0x00,0x10,0x00},/*"V",54*/
{0x1F,0xC0,0x10,0x3C,0x00,0xE0,0x1F,0x00,0x00,0xE0,0x10,0x3C,0x1F,0xC0,0x00,0x00},/*"W",55*/
{0x10,0x04,0x18,0x0C,0x16,0x34,0x01,0xC0,0x01,0xC0,0x16,0x34,0x18,0x0C,0x10,0x04},/*"X",56*/
{0x10,0x00,0x1C,0x00,0x13,0x04,0x00,0xFC,0x13,0x04,0x1C,0x00,0x10,0x00,0x00,0x00},/*"Y",57*/
{0x08,0x04,0x10,0x1C,0x10,0x64,0x10,0x84,0x13,0x04,0x1C,0x04,0x10,0x18,0x00,0x00},/*"Z",58*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFE,0x40,0x02,0x40,0x02,0x40,0x02,0x00,0x00},/*"[",59*/
{0x00,0x00,0x30,0x00,0x0C,0x00,0x03,0x80,0x00,0x60,0x00,0x1C,0x00,0x03,0x00,0x00},/*"\",60*/
{0x00,0x00,0x40,0x02,0x40,0x02,0x40,0x02,0x7F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00},/*"]",61*/
{0x00,0x00,0x00,0x00,0x20,0x00,0x40,0x00,0x40,0x00,0x40,0x00,0x20,0x00,0x00,0x00},/*"^",62*/
{0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01},/*"_",63*/
{0x00,0x00,0x40,0x00,0x40,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"`",64*/
{0x00,0x00,0x00,0x98,0x01,0x24,0x01,0x44,0x01,0x44,0x01,0x44,0x00,0xFC,0x00,0x04},/*"a",65*/
{0x10,0x00,0x1F,0xFC,0x00,0x88,0x01,0x04,0x01,0x04,0x00,0x88,0x00,0x70,0x00,0x00},/*"b",66*/
{0x00,0x00,0x00,0x70,0x00,0x88,0x01,0x04,0x01,0x04,0x01,0x04,0x00,0x88,0x00,0x00},/*"c",67*/
{0x00,0x00,0x00,0x70,0x00,0x88,0x01,0x04,0x01,0x04,0x11,0x08,0x1F,0xFC,0x00,0x04},/*"d",68*/
{0x00,0x00,0x00,0xF8,0x01,0x44,0x01,0x44,0x01,0x44,0x01,0x44,0x00,0xC8,0x00,0x00},/*"e",69*/
{0x00,0x00,0x01,0x04,0x01,0x04,0x0F,0xFC,0x11,0x04,0x11,0x04,0x11,0x00,0x18,0x00},/*"f",70*/
{0x00,0x00,0x00,0xD6,0x01,0x29,0x01,0x29,0x01,0x29,0x01,0xC9,0x01,0x06,0x00,0x00},/*"g",71*/
{0x10,0x04,0x1F,0xFC,0x00,0x84,0x01,0x00,0x01,0x00,0x01,0x04,0x00,0xFC,0x00,0x04},/*"h",72*/
{0x00,0x00,0x01,0x04,0x19,0x04,0x19,0xFC,0x00,0x04,0x00,0x04,0x00,0x00,0x00,0x00},/*"i",73*/
{0x00,0x00,0x00,0x03,0x00,0x01,0x01,0x01,0x19,0x01,0x19,0xFE,0x00,0x00,0x00,0x00},/*"j",74*/
{0x10,0x04,0x1F,0xFC,0x00,0x24,0x00,0x40,0x01,0xB4,0x01,0x0C,0x01,0x04,0x00,0x00},/*"k",75*/
{0x00,0x00,0x10,0x04,0x10,0x04,0x1F,0xFC,0x00,0x04,0x00,0x04,0x00,0x00,0x00,0x00},/*"l",76*/
{0x01,0x04,0x01,0xFC,0x01,0x04,0x01,0x00,0x01,0xFC,0x01,0x04,0x01,0x00,0x00,0xFC},/*"m",77*/
{0x01,0x04,0x01,0xFC,0x00,0x84,0x01,0x00,0x01,0x00,0x01,0x04,0x00,0xFC,0x00,0x04},/*"n",78*/
{0x00,0x00,0x00,0xF8,0x01,0x04,0x01,0x04,0x01,0x04,0x01,0x04,0x00,0xF8,0x00,0x00},/*"o",79*/
{0x01,0x01,0x01,0xFF,0x00,0x85,0x01,0x04,0x01,0x04,0x00,0x88,0x00,0x70,0x00,0x00},/*"p",80*/
{0x00,0x00,0x00,0x70,0x00,0x88,0x01,0x04,0x01,0x04,0x01,0x05,0x01,0xFF,0x00,0x01},/*"q",81*/
{0x01,0x04,0x01,0x04,0x01,0xFC,0x00,0x84,0x01,0x04,0x01,0x00,0x01,0x80,0x00,0x00},/*"r",82*/
{0x00,0x00,0x00,0xCC,0x01,0x24,0x01,0x24,0x01,0x24,0x01,0x24,0x01,0x98,0x00,0x00},/*"s",83*/
{0x00,0x00,0x01,0x00,0x01,0x00,0x07,0xF8,0x01,0x04,0x01,0x04,0x00,0x00,0x00,0x00},/*"t",84*/
{0x01,0x00,0x01,0xF8,0x00,0x04,0x00,0x04,0x00,0x04,0x01,0x08,0x01,0xFC,0x00,0x04},/*"u",85*/
{0x01,0x00,0x01,0x80,0x01,0x70,0x00,0x0C,0x00,0x10,0x01,0x60,0x01,0x80,0x01,0x00},/*"v",86*/
{0x01,0xF0,0x01,0x0C,0x00,0x30,0x01,0xC0,0x00,0x30,0x01,0x0C,0x01,0xF0,0x01,0x00},/*"w",87*/
{0x00,0x00,0x01,0x04,0x01,0x8C,0x00,0x74,0x01,0x70,0x01,0x8C,0x01,0x04,0x00,0x00},/*"x",88*/
{0x01,0x01,0x01,0x81,0x01,0x71,0x00,0x0E,0x00,0x18,0x01,0x60,0x01,0x80,0x01,0x00},/*"y",89*/
{0x00,0x00,0x01,0x84,0x01,0x0C,0x01,0x34,0x01,0x44,0x01,0x84,0x01,0x0C,0x00,0x00},/*"z",90*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x3E,0xFC,0x40,0x02,0x40,0x02},/*"{",91*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00},/*"|",92*/
{0x00,0x00,0x40,0x02,0x40,0x02,0x3E,0xFC,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"}",93*/
{0x00,0x00,0x60,0x00,0x80,0x00,0x80,0x00,0x40,0x00,0x40,0x00,0x20,0x00,0x20,0x00},/*"~",94*/
};  

/* 24*24 ASICII字符集点阵 */
const unsigned char atk_asc2_2412[95][36]={	  
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x80,0x38,0x0F,0xFE,0x38,0x0F,0x80,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"!",1*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x06,0x00,0x00,0x0C,0x00,0x00,0x38,0x00,0x00,0x31,0x00,0x00,0x06,0x00,0x00,0x0C,0x00,0x00,0x38,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00},/*""",2*/
{0x00,0x00,0x00,0x00,0x61,0x80,0x00,0x67,0xF8,0x07,0xF9,0x80,0x00,0x61,0x80,0x00,0x61,0x80,0x00,0x61,0x80,0x00,0x61,0x80,0x00,0x67,0xF8,0x07,0xF9,0x80,0x00,0x61,0x80,0x00,0x00,0x00},/*"#",3*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xC0,0xE0,0x03,0xE0,0xF0,0x06,0x30,0x08,0x04,0x18,0x08,0x1F,0xFF,0xFE,0x04,0x0E,0x08,0x07,0x87,0xF0,0x03,0x81,0xE0,0x00,0x00,0x00,0x00,0x00,0x00},/*"$",4*/
{0x01,0xF0,0x00,0x06,0x0C,0x00,0x04,0x04,0x08,0x06,0x0C,0x70,0x01,0xF9,0xC0,0x00,0x0E,0x00,0x00,0x3B,0xE0,0x00,0xEC,0x18,0x07,0x08,0x08,0x04,0x0C,0x18,0x00,0x03,0xE0,0x00,0x00,0x00},/*"%",5*/
{0x00,0x01,0xE0,0x00,0x07,0xF0,0x03,0xF8,0x18,0x04,0x1C,0x08,0x04,0x17,0x08,0x07,0xE1,0xD0,0x03,0xC0,0xE0,0x00,0x23,0xB0,0x00,0x3C,0x08,0x00,0x20,0x08,0x00,0x00,0x10,0x00,0x00,0x00},/*"&",6*/
{0x00,0x00,0x00,0x01,0x00,0x00,0x31,0x00,0x00,0x32,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"'",7*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x01,0xFF,0xC0,0x07,0x80,0xF0,0x0C,0x00,0x18,0x10,0x00,0x04,0x20,0x00,0x02,0x00,0x00,0x00},/*"(",8*/
{0x00,0x00,0x00,0x20,0x00,0x02,0x10,0x00,0x04,0x0C,0x00,0x18,0x07,0x80,0xF0,0x01,0xFF,0xC0,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*")",9*/
{0x00,0x00,0x00,0x00,0x42,0x00,0x00,0x66,0x00,0x00,0x66,0x00,0x00,0x3C,0x00,0x00,0x18,0x00,0x03,0xFF,0xC0,0x00,0x18,0x00,0x00,0x3C,0x00,0x00,0x66,0x00,0x00,0x66,0x00,0x00,0x42,0x00},/*"*",10*/
{0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x01,0xFF,0xC0,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00},/*"+",11*/
{0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x31,0x00,0x00,0x32,0x00,0x00,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*",",12*/
{0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x00,0x00},/*"-",13*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x00,0x00,0x38,0x00,0x00,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*".",14*/
{0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x1C,0x00,0x00,0x70,0x00,0x01,0x80,0x00,0x0E,0x00,0x00,0x38,0x00,0x00,0xC0,0x00,0x07,0x00,0x00,0x1C,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00},/*"/",15*/
{0x00,0x00,0x00,0x00,0x7F,0x80,0x01,0xFF,0xE0,0x03,0x80,0x70,0x06,0x00,0x18,0x04,0x00,0x08,0x04,0x00,0x08,0x06,0x00,0x18,0x03,0x80,0x70,0x01,0xFF,0xE0,0x00,0x7F,0x80,0x00,0x00,0x00},/*"0",16*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x08,0x01,0x00,0x08,0x01,0x00,0x08,0x03,0xFF,0xF8,0x07,0xFF,0xF8,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00},/*"1",17*/
{0x00,0x00,0x00,0x01,0xC0,0x38,0x02,0xC0,0x58,0x04,0x00,0x98,0x04,0x01,0x18,0x04,0x02,0x18,0x04,0x04,0x18,0x06,0x1C,0x18,0x03,0xF8,0x18,0x01,0xE0,0xF8,0x00,0x00,0x00,0x00,0x00,0x00},/*"2",18*/
{0x00,0x00,0x00,0x01,0xC0,0xE0,0x03,0xC0,0xF0,0x04,0x00,0x08,0x04,0x08,0x08,0x04,0x08,0x08,0x06,0x18,0x08,0x03,0xF4,0x18,0x01,0xE7,0xF0,0x00,0x01,0xE0,0x00,0x00,0x00,0x00,0x00,0x00},/*"3",19*/
{0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x0D,0x00,0x00,0x11,0x00,0x00,0x61,0x00,0x00,0x81,0x08,0x03,0x01,0x08,0x07,0xFF,0xF8,0x0F,0xFF,0xF8,0x00,0x01,0x08,0x00,0x01,0x08,0x00,0x00,0x00},/*"4",20*/
{0x00,0x00,0x00,0x00,0x00,0xE0,0x07,0xFC,0xD0,0x06,0x08,0x08,0x06,0x10,0x08,0x06,0x10,0x08,0x06,0x10,0x08,0x06,0x18,0x38,0x06,0x0F,0xF0,0x06,0x07,0xC0,0x00,0x00,0x00,0x00,0x00,0x00},/*"5",21*/
{0x00,0x00,0x00,0x00,0x3F,0x80,0x01,0xFF,0xE0,0x03,0x84,0x30,0x02,0x08,0x18,0x04,0x10,0x08,0x04,0x10,0x08,0x04,0x10,0x08,0x07,0x18,0x10,0x03,0x0F,0xF0,0x00,0x07,0xC0,0x00,0x00,0x00},/*"6",22*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xC0,0x00,0x07,0x00,0x00,0x06,0x00,0x00,0x06,0x00,0xF8,0x06,0x07,0xF8,0x06,0x18,0x00,0x06,0xE0,0x00,0x07,0x00,0x00,0x06,0x00,0x00,0x00,0x00,0x00},/*"7",23*/
{0x00,0x00,0x00,0x01,0xE1,0xE0,0x03,0xF7,0xF0,0x06,0x34,0x10,0x04,0x18,0x08,0x04,0x18,0x08,0x04,0x0C,0x08,0x04,0x0C,0x08,0x06,0x16,0x18,0x03,0xF3,0xF0,0x01,0xC1,0xE0,0x00,0x00,0x00},/*"8",24*/
{0x00,0x00,0x00,0x00,0xF8,0x00,0x03,0xFC,0x30,0x03,0x06,0x38,0x04,0x02,0x08,0x04,0x02,0x08,0x04,0x02,0x08,0x04,0x04,0x10,0x03,0x08,0xF0,0x01,0xFF,0xC0,0x00,0x7F,0x00,0x00,0x00,0x00},/*"9",25*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x38,0x00,0x70,0x38,0x00,0x70,0x38,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*":",26*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x1A,0x00,0x30,0x1C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*";",27*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x14,0x00,0x00,0x22,0x00,0x00,0x41,0x00,0x00,0x80,0x80,0x01,0x00,0x40,0x02,0x00,0x20,0x04,0x00,0x10,0x08,0x00,0x08,0x00,0x00,0x00},/*"<",28*/
{0x00,0x00,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x21,0x00,0x00,0x00,0x00},/*"=",29*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x08,0x04,0x00,0x10,0x02,0x00,0x20,0x01,0x00,0x40,0x00,0x80,0x80,0x00,0x41,0x00,0x00,0x22,0x00,0x00,0x14,0x00,0x00,0x08,0x00,0x00,0x00,0x00},/*">",30*/
{0x00,0x00,0x00,0x03,0xC0,0x00,0x04,0xC0,0x00,0x04,0x00,0x00,0x08,0x00,0x38,0x08,0x0F,0x38,0x08,0x08,0x38,0x08,0x10,0x00,0x0C,0x30,0x00,0x07,0xE0,0x00,0x03,0xC0,0x00,0x00,0x00,0x00},/*"?",31*/
{0x00,0x00,0x00,0x00,0x3F,0x80,0x00,0xFF,0xE0,0x03,0x80,0x70,0x02,0x0F,0x10,0x06,0x70,0x88,0x04,0xC0,0x88,0x04,0x83,0x08,0x04,0x7F,0x88,0x02,0xC0,0x90,0x03,0x01,0x20,0x00,0xFE,0x40},/*"@",32*/
{0x00,0x00,0x08,0x00,0x00,0x18,0x00,0x01,0xF8,0x00,0x3E,0x08,0x01,0xC2,0x00,0x07,0x02,0x00,0x07,0xE2,0x00,0x00,0xFE,0x00,0x00,0x1F,0xC8,0x00,0x01,0xF8,0x00,0x00,0x38,0x00,0x00,0x08},/*"A",33*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x08,0x08,0x04,0x08,0x08,0x04,0x08,0x08,0x04,0x08,0x08,0x06,0x18,0x08,0x03,0xF4,0x18,0x01,0xE7,0xF0,0x00,0x01,0xE0,0x00,0x00,0x00},/*"B",34*/
{0x00,0x00,0x00,0x00,0x3F,0x80,0x01,0xFF,0xE0,0x03,0x80,0x70,0x02,0x00,0x18,0x04,0x00,0x08,0x04,0x00,0x08,0x04,0x00,0x08,0x04,0x00,0x10,0x06,0x00,0x20,0x07,0x80,0xC0,0x00,0x00,0x00},/*"C",35*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x00,0x08,0x04,0x00,0x08,0x04,0x00,0x08,0x04,0x00,0x18,0x02,0x00,0x10,0x03,0x80,0x70,0x01,0xFF,0xE0,0x00,0x7F,0x80,0x00,0x00,0x00},/*"D",36*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x08,0x08,0x04,0x08,0x08,0x04,0x08,0x08,0x04,0x08,0x08,0x04,0x3E,0x08,0x04,0x00,0x08,0x06,0x00,0x18,0x01,0x00,0x60,0x00,0x00,0x00},/*"E",37*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x08,0x08,0x04,0x08,0x00,0x04,0x08,0x00,0x04,0x08,0x00,0x04,0x3E,0x00,0x06,0x00,0x00,0x06,0x00,0x00,0x01,0x80,0x00,0x00,0x00,0x00},/*"F",38*/
{0x00,0x00,0x00,0x00,0x3F,0x80,0x01,0xFF,0xE0,0x03,0x80,0x70,0x06,0x00,0x18,0x04,0x00,0x08,0x04,0x02,0x08,0x04,0x02,0x08,0x02,0x03,0xF0,0x07,0x83,0xF0,0x00,0x02,0x00,0x00,0x02,0x00},/*"G",39*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x08,0x08,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x04,0x08,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x00,0x08},/*"H",40*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x08,0x04,0x00,0x08,0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x00,0x08,0x04,0x00,0x08,0x04,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00},/*"I",41*/
{0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x07,0x00,0x00,0x01,0x04,0x00,0x01,0x04,0x00,0x01,0x04,0x00,0x03,0x07,0xFF,0xFE,0x07,0xFF,0xFC,0x04,0x00,0x00,0x04,0x00,0x00,0x04,0x00,0x00},/*"J",42*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x0C,0x08,0x00,0x18,0x00,0x00,0x3E,0x00,0x04,0xC7,0x80,0x05,0x03,0xC8,0x06,0x00,0xF8,0x04,0x00,0x38,0x04,0x00,0x18,0x00,0x00,0x08},/*"K",43*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x18,0x00,0x00,0x60,0x00,0x00,0x00},/*"L",44*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0x80,0x08,0x07,0xFC,0x00,0x00,0x7F,0xC0,0x00,0x03,0xF8,0x00,0x07,0xC0,0x00,0x78,0x00,0x07,0x80,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x00,0x08},/*"M",45*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0x00,0x08,0x03,0xC0,0x00,0x00,0xE0,0x00,0x00,0x38,0x00,0x00,0x1E,0x00,0x00,0x07,0x00,0x00,0x01,0xC0,0x04,0x00,0xF0,0x07,0xFF,0xF8,0x04,0x00,0x00},/*"N",46*/
{0x00,0x00,0x00,0x00,0x7F,0x80,0x01,0xFF,0xE0,0x03,0x80,0x70,0x06,0x00,0x18,0x04,0x00,0x08,0x04,0x00,0x08,0x06,0x00,0x18,0x03,0x00,0x30,0x01,0xFF,0xE0,0x00,0x7F,0x80,0x00,0x00,0x00},/*"O",47*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x04,0x08,0x04,0x04,0x00,0x04,0x04,0x00,0x04,0x04,0x00,0x04,0x04,0x00,0x06,0x0C,0x00,0x03,0xF8,0x00,0x01,0xF0,0x00,0x00,0x00,0x00},/*"P",48*/
{0x00,0x00,0x00,0x00,0x7F,0x80,0x01,0xFF,0xE0,0x03,0x80,0x70,0x06,0x00,0x88,0x04,0x00,0x88,0x04,0x00,0xC8,0x06,0x00,0x3C,0x03,0x00,0x3E,0x01,0xFF,0xE6,0x00,0x7F,0x84,0x00,0x00,0x00},/*"Q",49*/
{0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x08,0x08,0x04,0x08,0x00,0x04,0x0C,0x00,0x04,0x0F,0x00,0x04,0x0B,0xC0,0x06,0x10,0xF0,0x03,0xF0,0x38,0x01,0xE0,0x08,0x00,0x00,0x08},/*"R",50*/
{0x00,0x00,0x00,0x01,0xE0,0xF8,0x03,0xF0,0x30,0x06,0x30,0x10,0x04,0x18,0x08,0x04,0x18,0x08,0x04,0x0C,0x08,0x04,0x0C,0x08,0x02,0x06,0x18,0x02,0x07,0xF0,0x07,0x81,0xE0,0x00,0x00,0x00},/*"S",51*/
{0x01,0x80,0x00,0x06,0x00,0x00,0x04,0x00,0x00,0x04,0x00,0x00,0x04,0x00,0x08,0x07,0xFF,0xF8,0x07,0xFF,0xF8,0x04,0x00,0x08,0x04,0x00,0x00,0x04,0x00,0x00,0x06,0x00,0x00,0x01,0x80,0x00},/*"T",52*/
{0x04,0x00,0x00,0x07,0xFF,0xE0,0x07,0xFF,0xF0,0x04,0x00,0x18,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x04,0x00,0x10,0x07,0xFF,0xE0,0x04,0x00,0x00},/*"U",53*/
{0x04,0x00,0x00,0x06,0x00,0x00,0x07,0xE0,0x00,0x07,0xFE,0x00,0x04,0x1F,0xE0,0x00,0x01,0xF8,0x00,0x00,0x38,0x00,0x01,0xE0,0x04,0x3E,0x00,0x07,0xC0,0x00,0x06,0x00,0x00,0x04,0x00,0x00},/*"V",54*/
{0x04,0x00,0x00,0x07,0xE0,0x00,0x07,0xFF,0xC0,0x04,0x1F,0xF8,0x00,0x07,0xC0,0x07,0xF8,0x00,0x07,0xFF,0x80,0x04,0x3F,0xF8,0x00,0x07,0xC0,0x04,0xF8,0x00,0x07,0x00,0x00,0x04,0x00,0x00},/*"W",55*/
{0x00,0x00,0x00,0x04,0x00,0x08,0x06,0x00,0x18,0x07,0xC0,0x78,0x05,0xF1,0xC8,0x00,0x3E,0x00,0x00,0x1F,0x80,0x04,0x63,0xE8,0x07,0x80,0xF8,0x06,0x00,0x18,0x04,0x00,0x08,0x00,0x00,0x00},/*"X",56*/
{0x04,0x00,0x00,0x06,0x00,0x00,0x07,0x80,0x00,0x07,0xE0,0x08,0x04,0x7C,0x08,0x00,0x1F,0xF8,0x00,0x07,0xF8,0x00,0x18,0x08,0x04,0xE0,0x08,0x07,0x00,0x00,0x06,0x00,0x00,0x04,0x00,0x00},/*"Y",57*/
{0x00,0x00,0x00,0x01,0x00,0x08,0x06,0x00,0x38,0x04,0x00,0xF8,0x04,0x03,0xE8,0x04,0x0F,0x08,0x04,0x7C,0x08,0x05,0xF0,0x08,0x07,0xC0,0x08,0x07,0x00,0x18,0x04,0x00,0x60,0x00,0x00,0x00},/*"Z",58*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFE,0x20,0x00,0x02,0x20,0x00,0x02,0x20,0x00,0x02,0x20,0x00,0x02,0x20,0x00,0x02,0x00,0x00,0x00},/*"[",59*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x07,0x00,0x00,0x00,0xC0,0x00,0x00,0x38,0x00,0x00,0x06,0x00,0x00,0x01,0xC0,0x00,0x00,0x30,0x00,0x00,0x0E,0x00,0x00,0x01,0x00,0x00,0x00},/*"\",60*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x02,0x20,0x00,0x02,0x20,0x00,0x02,0x20,0x00,0x02,0x20,0x00,0x02,0x3F,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"]",61*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x10,0x00,0x00,0x30,0x00,0x00,0x20,0x00,0x00,0x30,0x00,0x00,0x10,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"^",62*/
{0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01,0x00,0x00,0x01},/*"_",63*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x20,0x00,0x00,0x10,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"`",64*/
{0x00,0x00,0x00,0x00,0x00,0xF0,0x00,0x19,0xF8,0x00,0x1B,0x18,0x00,0x22,0x08,0x00,0x26,0x08,0x00,0x24,0x08,0x00,0x24,0x10,0x00,0x3F,0xF8,0x00,0x1F,0xF8,0x00,0x00,0x08,0x00,0x00,0x18},/*"a",65*/
{0x00,0x00,0x00,0x04,0x00,0x00,0x07,0xFF,0xF8,0x0F,0xFF,0xF0,0x00,0x18,0x18,0x00,0x10,0x08,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x30,0x18,0x00,0x1F,0xF0,0x00,0x0F,0xC0,0x00,0x00,0x00},/*"b",66*/
{0x00,0x00,0x00,0x00,0x07,0xC0,0x00,0x1F,0xF0,0x00,0x18,0x30,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x3C,0x08,0x00,0x1C,0x10,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00},/*"c",67*/
{0x00,0x00,0x00,0x00,0x07,0xC0,0x00,0x1F,0xF0,0x00,0x38,0x18,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x20,0x08,0x04,0x10,0x10,0x07,0xFF,0xF8,0x0F,0xFF,0xF0,0x00,0x00,0x10,0x00,0x00,0x00},/*"d",68*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xC0,0x00,0x1F,0xF0,0x00,0x12,0x30,0x00,0x22,0x18,0x00,0x22,0x08,0x00,0x22,0x08,0x00,0x32,0x08,0x00,0x1E,0x10,0x00,0x0E,0x20,0x00,0x00,0x00},/*"e",69*/
{0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x20,0x08,0x00,0x20,0x08,0x01,0xFF,0xF8,0x03,0xFF,0xF8,0x06,0x20,0x08,0x04,0x20,0x08,0x04,0x20,0x08,0x07,0x20,0x00,0x03,0x00,0x00,0x00,0x00,0x00},/*"f",70*/
{0x00,0x00,0x00,0x00,0x00,0x0E,0x00,0x0E,0x6E,0x00,0x1F,0xF3,0x00,0x31,0xB1,0x00,0x20,0xB1,0x00,0x20,0xB1,0x00,0x31,0x91,0x00,0x1F,0x13,0x00,0x2E,0x1E,0x00,0x20,0x0E,0x00,0x30,0x00},/*"g",71*/
{0x00,0x00,0x00,0x04,0x00,0x08,0x07,0xFF,0xF8,0x0F,0xFF,0xF8,0x00,0x10,0x08,0x00,0x20,0x00,0x00,0x20,0x00,0x00,0x20,0x08,0x00,0x3F,0xF8,0x00,0x1F,0xF8,0x00,0x00,0x08,0x00,0x00,0x00},/*"h",72*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x20,0x08,0x06,0x3F,0xF8,0x06,0x3F,0xF8,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00},/*"i",73*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x03,0x00,0x20,0x01,0x00,0x20,0x01,0x00,0x20,0x03,0x06,0x3F,0xFE,0x06,0x3F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"j",74*/
{0x00,0x00,0x00,0x04,0x00,0x08,0x07,0xFF,0xF8,0x0F,0xFF,0xF8,0x00,0x01,0x88,0x00,0x03,0x00,0x00,0x2F,0xC0,0x00,0x38,0xF8,0x00,0x20,0x38,0x00,0x20,0x08,0x00,0x00,0x08,0x00,0x00,0x00},/*"k",75*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x08,0x04,0x00,0x08,0x04,0x00,0x08,0x07,0xFF,0xF8,0x0F,0xFF,0xF8,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00},/*"l",76*/
{0x00,0x20,0x08,0x00,0x3F,0xF8,0x00,0x3F,0xF8,0x00,0x10,0x08,0x00,0x20,0x00,0x00,0x3F,0xF8,0x00,0x3F,0xF8,0x00,0x10,0x08,0x00,0x20,0x00,0x00,0x3F,0xF8,0x00,0x3F,0xF8,0x00,0x00,0x08},/*"m",77*/
{0x00,0x00,0x00,0x00,0x20,0x08,0x00,0x3F,0xF8,0x00,0x3F,0xF8,0x00,0x10,0x08,0x00,0x10,0x00,0x00,0x20,0x00,0x00,0x20,0x08,0x00,0x3F,0xF8,0x00,0x1F,0xF8,0x00,0x00,0x08,0x00,0x00,0x00},/*"n",78*/
{0x00,0x00,0x00,0x00,0x07,0xC0,0x00,0x0F,0xF0,0x00,0x18,0x30,0x00,0x30,0x08,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x30,0x08,0x00,0x18,0x30,0x00,0x0F,0xF0,0x00,0x07,0xC0,0x00,0x00,0x00},/*"o",79*/
{0x00,0x00,0x00,0x00,0x20,0x01,0x00,0x3F,0xFF,0x00,0x3F,0xFF,0x00,0x10,0x11,0x00,0x20,0x09,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x30,0x38,0x00,0x1F,0xF0,0x00,0x0F,0xC0,0x00,0x00,0x00},/*"p",80*/
{0x00,0x00,0x00,0x00,0x07,0xC0,0x00,0x1F,0xF0,0x00,0x38,0x18,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x20,0x09,0x00,0x10,0x11,0x00,0x1F,0xFF,0x00,0x3F,0xFF,0x00,0x00,0x01,0x00,0x00,0x00},/*"q",81*/
{0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x3F,0xF8,0x00,0x3F,0xF8,0x00,0x08,0x08,0x00,0x10,0x08,0x00,0x20,0x08,0x00,0x20,0x00,0x00,0x30,0x00,0x00,0x30,0x00,0x00,0x00,0x00},/*"r",82*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0C,0x78,0x00,0x1E,0x18,0x00,0x33,0x08,0x00,0x23,0x08,0x00,0x21,0x08,0x00,0x21,0x88,0x00,0x21,0x98,0x00,0x30,0xF0,0x00,0x38,0x60,0x00,0x00,0x00},/*"s",83*/
{0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x20,0x00,0x00,0x20,0x00,0x00,0xFF,0xF0,0x03,0xFF,0xF8,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x00,0x30,0x00,0x00,0x00,0x00,0x00,0x00},/*"t",84*/
{0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x3F,0xF0,0x00,0x7F,0xF8,0x00,0x00,0x18,0x00,0x00,0x08,0x00,0x00,0x08,0x00,0x20,0x10,0x00,0x3F,0xF8,0x00,0x7F,0xF0,0x00,0x00,0x10,0x00,0x00,0x00},/*"u",85*/
{0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x30,0x00,0x00,0x3C,0x00,0x00,0x3F,0x80,0x00,0x23,0xF0,0x00,0x00,0x78,0x00,0x00,0x70,0x00,0x23,0x80,0x00,0x3C,0x00,0x00,0x30,0x00,0x00,0x20,0x00},/*"v",86*/
{0x00,0x20,0x00,0x00,0x3C,0x00,0x00,0x3F,0xE0,0x00,0x23,0xF8,0x00,0x00,0xE0,0x00,0x27,0x00,0x00,0x3E,0x00,0x00,0x3F,0xE0,0x00,0x21,0xF8,0x00,0x01,0xE0,0x00,0x3E,0x00,0x00,0x20,0x00},/*"w",87*/
{0x00,0x00,0x00,0x00,0x20,0x08,0x00,0x20,0x08,0x00,0x38,0x38,0x00,0x3E,0x68,0x00,0x27,0x80,0x00,0x03,0xC8,0x00,0x2C,0xF8,0x00,0x38,0x38,0x00,0x20,0x18,0x00,0x20,0x08,0x00,0x00,0x00},/*"x",88*/
{0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x30,0x03,0x00,0x3C,0x01,0x00,0x3F,0x83,0x00,0x23,0xEC,0x00,0x00,0x70,0x00,0x23,0x80,0x00,0x3C,0x00,0x00,0x20,0x00,0x00,0x20,0x00,0x00,0x00,0x00},/*"y",89*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0x08,0x00,0x20,0x38,0x00,0x20,0xF8,0x00,0x23,0xE8,0x00,0x2F,0x88,0x00,0x3E,0x08,0x00,0x38,0x08,0x00,0x20,0x18,0x00,0x00,0x70,0x00,0x00,0x00},/*"z",90*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00,0x00,0x14,0x00,0x1F,0xF7,0xFC,0x30,0x00,0x06,0x20,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00},/*"{",91*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"|",92*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x02,0x30,0x00,0x06,0x1F,0xF7,0xFC,0x00,0x14,0x00,0x00,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"}",93*/
{0x00,0x00,0x00,0x18,0x00,0x00,0x60,0x00,0x00,0x40,0x00,0x00,0x40,0x00,0x00,0x20,0x00,0x00,0x10,0x00,0x00,0x08,0x00,0x00,0x04,0x00,0x00,0x04,0x00,0x00,0x0C,0x00,0x00,0x10,0x00,0x00},/*"~",94*/
};

#endif

3.4、 main.c

cpp 复制代码

#include "driver/gpio.h"
#include "led.h"
#include "iic.h"
#include "oled.h"



i2c_obj_t i2c1_master;

/**
 * @brief       程序入口
 * @param       无
 * @retval      无
 */
void app_main(void)
{
    uint8_t t = 0;

    led_init();                             /* 初始化LED */
    i2c1_master = iic_init(I2C_NUM_1);      /* 初始化IIC1 */
    oled_init(i2c1_master);                 /* 初始化OLED */

    oled_show_string(0, 0, "ALIENTEK", 24);
    oled_show_string(0, 24, "0.96' OLED TEST", 16);
    oled_show_string(0, 40, "ATOM 2023/8/26", 12);
    oled_show_string(0, 52, "ASCII:", 12);
    oled_show_string(64, 52, "CODE:", 12);
    oled_refresh_gram();                    /* 更新显示到OLED */
    
    t = ' ';
    while(1)
    {
        oled_show_char(36, 52, t, 12, 1);   /* 显示ASCII字符 */
        oled_show_num(94, 52, t, 3, 12);    /* 显示ASCII字符的码值 */
        oled_refresh_gram();                /* 更新显示到OLED */
        t++;

        if (t > '~')
        {
            t = ' ';
        }

        vTaskDelay(500);
        LED_TOGGLE();                       /* LED闪烁 */
    }
}

二、IIC通信协议详解

1、基本概念

I²C总线是由Philips公司（现NXP）开发的一种双向、两线制、同步串行通信总线。其主要特点包括：

线路简单：仅需两条线 - 串行数据线（SDA）和串行时钟线（SCL）。
多主多从：支持多个主设备和多个从设备连接在同一总线上。
地址寻址：每个从设备都有唯一的地址，主设备通过地址选择通信对象。
速度标准 ：
- 标准模式（Standard-mode）：最高100 kbps
- 快速模式（Fast-mode）：最高400 kbps
- 快速模式+（Fast-mode Plus）：最高1 Mbps
- 高速模式（High-speed mode）：最高3.4 Mbps
- 超快模式（Ultra Fast-mode）：最高5 Mbps

2、物理层连接

SDA (Serial Data Line)：双向数据线，用于传输数据。
SCL (Serial Clock Line)：由主设备产生的时钟信号线，用于同步数据传输。
两条线都需要通过上拉电阻 连接到正电源电压（ V D D V_{DD} VDD），形成"开漏"或"集电极开路"输出结构。这使得不同供电电压的设备可以共存于同一总线（需注意电平转换）。

3、通信机制与帧结构

I²C通信由主设备发起和控制。一个完整的数据传输通常包含以下几个部分：

3.1、起始条件（START Condition）

主设备在SCL为高电平时，将SDA从高电平拉低。
表示一次传输的开始。

3.2、从设备地址（Slave Address）

起始条件后，主设备发送一个7位或10位 的从设备地址（紧随其后是一个读写位）。
7位地址模式 ：最常见。地址字节格式如下：
复制代码
```
| MSB | 6 | 5 | 4 | 3 | 2 | 1 | 0 | R/W |
|-----|---|---|---|---|---|---|---|-----|
| A6  | A5| A4| A3| A2| A1| A0| R/W|
```
- 高7位（A6-A0）是从设备地址。
- 最低位（LSB）是读写位 ：
  - 0：表示主设备要向从设备写入数据。
  - 1：表示主设备要向从设备读取数据。
10位地址模式 ：用于支持更多设备。传输第一个字节：
复制代码
```
| 1 | 1 | 1 | 1 | 0 | A9 | A8 | R/W |
```
紧接着传输第二个字节：
复制代码
```
| A7 | A6 | A5 | A4 | A3 | A2 | A1 | A0 |
```

3.3、应答信号（ACK / NACK）

地址字节和每个数据字节传输完成后，接收方 必须在第9个时钟周期（SCL高电平期间）通过将SDA拉低来发送一个应答位（ACK）。
如果接收方没有拉低SDA（SDA保持高），则表示非应答（NACK）。
ACK由从设备在地址匹配后发出，或由数据接收方在成功接收一个字节后发出。
NACK可能表示：地址不匹配、接收方忙、传输结束等。

3.4、数据传输（Data Transfer）

在地址和ACK之后，开始传输数据字节。
每个数据字节（8位）传输完成后，都需要跟一个ACK/NACK。
数据传输方向由最初的读写位决定。
数据以最高有效位（MSB） 在前的方式传输。

3.5、重复起始条件（Repeated START Condition）

主设备可以在不发送停止条件的情况下，发送一个新的起始条件。
用于改变数据传输方向（例如，从写操作切换到读操作）或与另一个从设备通信，同时保持总线控制权。

3.6、停止条件（STOP Condition）

主设备在SCL为高电平时，将SDA从低电平拉高。
表示一次传输的结束，释放总线。

4、时钟同步与仲裁

时钟同步：如果多个主设备同时产生时钟，SCL线会呈现所有主设备时钟的"线与"结果。只有当所有主设备都释放SCL（输出高）时，SCL才变高。这实现了时钟同步。
仲裁：当多个主设备同时尝试控制总线时，它们会在SDA线上发送数据。如果某个主设备发送1（释放SDA）而检测到SDA线为0（被另一个主设备拉低），则该主设备知道自己仲裁失败，会退出竞争并转为从设备监听模式。仲裁过程不会破坏成功主设备的数据传输。

5、关键特性总结

半双工：同一时间只能进行读或写。
同步通信：由主设备时钟驱动。
基于地址的通信。
低速到中速应用。
硬件相对简单，成本低。

6、注意事项

上拉电阻选择 ：阻值需根据总线电容和期望速度计算，通常在 1 k Ω 1k\Omega 1kΩ到 10 k Ω 10k\Omega 10kΩ之间。阻值过大影响上升沿速度，过小则功耗增加。
总线电容：总线上连接的设备越多，电容越大，会影响信号上升时间，限制最大速度。
电平兼容性：连接不同工作电压的设备时，需要电平转换器。
总线空闲：SDA和SCL都应处于高电平状态。

理解I²C协议的帧结构、时序、应答机制以及仲裁原理，是成功设计和使用基于I²C设备的关键。

三、ESP-IDF详解

1、ESP32 概述

ESP32 是由乐鑫科技（Espressif Systems）推出的一款高性能、低功耗、高集成度的 Wi-Fi & 蓝牙双模系统级芯片（SoC）。它广泛应用于物联网（IoT）、智能家居、工业控制等领域。其关键特性包括：

双核处理器（通常为 Xtensa LX6，某些型号为 RISC-V）
集成 Wi-Fi (802.11 b/g/n) 和蓝牙 (包括经典蓝牙和低功耗蓝牙 BLE)
丰富的外设接口： S P I SPI SPI, I 2 C I2C I2C, I 2 S I2S I2S, U A R T UART UART, A D C ADC ADC, D A C DAC DAC, P W M PWM PWM, 触摸传感器等
充足的内存（RAM 和 Flash 选项多样）
强大的安全特性（如加密加速器）
超低功耗设计，支持多种休眠模式

2、 ESP-IDF 详解

ESP-IDF (Espressif IoT Development Framework) 是乐鑫官方为 ESP32、ESP32-S 系列、ESP32-C 系列等芯片提供的开发框架和 SDK（软件开发工具包）。它是开发基于 ESP32 芯片应用程序的首选和官方推荐工具。

2.1 、ESP-IDF 的核心组件与架构

ESP-IDF 是一个分层、模块化的框架：

硬件抽象层 (HAL)： 提供对芯片硬件资源（如 GPIO、UART、SPI、I2C、定时器、ADC、DAC、RTC、Wi-Fi、蓝牙等）进行操作的统一接口，屏蔽底层硬件细节。
驱动 (Drivers)： 在 HAL 之上，提供更易用、功能更丰富的设备驱动（如 SPI Flash 驱动、SD 卡驱动、以太网驱动等）。
FreeRTOS： ESP-IDF 深度集成了开源的 FreeRTOS 实时操作系统内核。它提供了任务管理、队列、信号量、软件定时器、中断管理等机制，充分利用 ESP32 的多核特性（任务可以在不同核心上运行）。
中间件：
- Wi-Fi 协议栈： 实现 Wi-Fi 的 Station（客户端）、SoftAP（接入点）、Promiscuous（监听）模式。
- 蓝牙协议栈： 实现经典蓝牙和低功耗蓝牙 (BLE) 的各种角色（如 GATT Client/Server, GAP Central/Peripheral）。
- TCP/IP 协议栈 (lwIP)： 轻量级的 TCP/IP 协议栈，支持 IPv4/IPv6 (部分型号)、DHCP、DNS、Socket API 等。
- 文件系统 (FATFS/VFS)： 支持在 SPI Flash 或外部存储设备上使用 FAT 文件系统。
- 加密库： 提供 AES、SHA、RSA 等加密算法的软件和硬件加速实现。
- HTTP/WebSocket/MQTT 等协议库： 方便构建网络应用。
应用程序： 用户编写的业务逻辑代码，运行在 FreeRTOS 的任务中，通过调用下层 API 实现功能。

2.2 、ESP-IDF 开发环境与工具链

工具链： 基于 GNU GCC 编译器（针对 Xtensa 或 RISC-V 架构）。
构建系统： 使用 CMake （早期版本使用 GNU Make）。开发者编写 CMakeLists.txt 文件来定义项目结构、源文件、依赖组件等。
配置工具： menuconfig。这是一个基于文本的图形化配置工具（类似于 Linux Kernel 的 make menuconfig），用于配置 ESP-IDF 的众多选项，如：
- 选择目标芯片型号
- 配置 Wi-Fi/BT 参数
- 调整 FreeRTOS 设置（任务栈大小、优先级等）
- 配置日志输出级别和方式
- 配置内存布局
- 启用/禁用特定功能和外设驱动
核心工具 - idf.py： 这是 ESP-IDF 提供的命令行工具，用于执行构建、烧录、调试、监视串口输出等几乎所有开发任务。常用命令如：
- idf.py set-target esp32 (设置目标芯片)
- idf.py menuconfig (启动配置工具)
- idf.py build (编译项目)
- idf.py -p PORT flash (烧录固件到设备，PORT 为串口，如 COM3 或 /dev/ttyUSB0)
- idf.py -p PORT monitor (启动串口监视器，查看设备日志输出)
- idf.py fullclean (彻底清理构建目录)

2.3 、ESP-IDF 开发流程简述

环境搭建： 在 Windows、Linux 或 macOS 上安装 ESP-IDF 开发环境（包括工具链、Python、Git 等）。
创建项目： 使用 idf.py create-project 或复制示例项目模板。
编写代码： 在 main 目录下编写应用程序代码 (通常是 main.c 或 app_main() 函数)。
配置项目： 运行 idf.py menuconfig 根据需求进行配置。
编译项目： 运行 idf.py build 生成可执行固件 (.bin 文件)。
烧录固件： 将 ESP32 开发板连接到电脑，运行 idf.py -p PORT flash 将固件烧录到设备 Flash 中。
监视输出： 运行 idf.py -p PORT monitor 查看设备运行日志，进行调试。可以使用 ESP_LOGx (如 ESP_LOGI, ESP_LOGE) 函数打印不同级别的日志。

2.4、示例代码结构 (最简单的 Hello World)

c 复制代码

#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"

static const char *TAG = "MAIN";

void app_main(void)
{
    while (1) {
        ESP_LOGI(TAG, "Hello World!"); // 打印 Info 级别日志
        vTaskDelay(pdMS_TO_TICKS(1000)); // 延时 1000 毫秒 (FreeRTOS 延时)
    }
}

2.5、优势与特点

官方支持： 由芯片原厂维护，更新及时，与新芯片特性同步快。
功能全面： 提供对 ESP32 所有硬件特性和外设的底层访问。
性能优化： 针对 ESP32 硬件进行了深度优化（如 Wi-Fi/BT 共存）。
稳定性高： 经过大量商业产品验证。
社区活跃： 用户多，社区支持好，问题容易找到解决方案。
文档完善： 官方提供详尽的 API 参考指南、编程指南和示例代码。
模块化： 易于扩展和复用代码，方便管理大型项目。
开源免费： 基于 Apache 2.0 许可证。

2.6 、适用场景

ESP-IDF 适用于需要深度控制硬件、追求高性能、高稳定性或需要使用 ESP32 特有功能（如超低功耗协处理器 ULP）的应用开发。对于快速原型开发，也可以考虑基于 ESP-IDF 构建的更高级框架（如 Arduino for ESP32、MicroPython），但这些框架最终都依赖于 ESP-IDF 的底层功能。

3、总结

ESP-IDF 是开发 ESP32 系列芯片的强大、灵活且功能完备的官方框架。它提供了从硬件操作到网络协议栈的全套解决方案，结合 FreeRTOS 实现了高效的多任务处理。虽然其学习曲线相对陡峭，尤其是对于不熟悉嵌入式开发和 RTOS 的开发者，但它提供了最直接、最强大的方式来充分利用 ESP32 的潜力，是开发复杂或高性能 ESP32 应用的基石。掌握 idf.py 工具链和 menuconfig 配置是使用 ESP-IDF 的关键。

ESP32 使用ESP-IDF驱动IIC接口OLED源码分享

ESP32 使用ESP-IDF驱动IIC接口OLED源码分享

一、源码分享

1、效果展示

2、开发环境搭建

3、源码分享

3.1、oled.h

3.2、 oled.c

3.3、 font.c

3.4、 main.c

二、IIC通信协议详解

1、基本概念

2、物理层连接

3、 通信机制与帧结构

3.1、起始条件（START Condition）

3.2、从设备地址（Slave Address）

3.3、应答信号（ACK / NACK）

3.4、数据传输（Data Transfer）

3.5、重复起始条件（Repeated START Condition）

3.6、停止条件（STOP Condition）

4、 时钟同步与仲裁

5、关键特性总结

6、注意事项

三、ESP-IDF详解

1、ESP32 概述

2、 ESP-IDF 详解

2.1 、ESP-IDF 的核心组件与架构

2.2 、ESP-IDF 开发环境与工具链

2.3 、ESP-IDF 开发流程简述

2.4、 示例代码结构 (最简单的 Hello World)

2.5、 优势与特点

2.6 、适用场景

3、总结

3、通信机制与帧结构

4、时钟同步与仲裁

2.4、示例代码结构 (最简单的 Hello World)

2.5、优势与特点