EEPW论坛

工程建立参考之前的帖子。不一样的是要用到I2C的初始化代码：

其他代码如下：

main.c

// *****************************************************************************
int main(void)
{
    OLED_Init();
    OLED_CLear(0);
    GUI_ShowString(32,30,(uint8_t *)"HELLO EEPW",16,10);

    OLED_Display();

    return 0;
}
 

两个头文件如下

oled_user.h:

#include "i2c.h"
#define u8 uint8_t
#define u32 uint32_t


#define SSD1306_ADDR   0x3C  // OLED的I2C地址（禁止修改）
#define COM                0x00  // OLED 指令（禁止修改）
#define DAT           0x40  // OLED 数据（禁止修改）

#define OLED_PAGE_SIZE  8
#define XLevelL             0x00
#define XLevelH             0x10
#define YLevel          0xB0
#define Brightness     0xFF
#define SSD1306_WIDTH     128
#define SSD1306_HEIGHT    64

int WriteCmd(unsigned char I2C_Command);//写命令
int WriteDat(unsigned char I2C_Data);//写数据
void OLED_Init(void);//初始化
void OLED_Display(void);
void OLED_CLear(unsigned char clear_data);

void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size,uint8_t mode);
void GUI_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size,uint8_t mode);

oled_fornts.h:

/************************************6*8的点阵************************************/
const unsigned char Font6x8[95][6] = {
    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // ' '
    {0x00, 0x00, 0x5F, 0x00, 0x00, 0x00}, // '!'
    {0x00, 0x07, 0x00, 0x07, 0x00, 0x00}, // '"'
    {0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00}, // '#'
    {0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00}, // '$'
    {0x23, 0x13, 0x08, 0x64, 0x62, 0x00}, // '%'
    {0x36, 0x49, 0x55, 0x22, 0x50, 0x00}, // '&'
    {0x00, 0x05, 0x03, 0x00, 0x00, 0x00}, // '''
    {0x00, 0x1C, 0x22, 0x41, 0x00, 0x00}, // '('
    {0x00, 0x41, 0x22, 0x1C, 0x00, 0x00}, // ')'
    {0x14, 0x08, 0x3E, 0x08, 0x14, 0x00}, // '*'
    {0x08, 0x08, 0x3E, 0x08, 0x08, 0x00}, // '+'
    {0x00, 0x50, 0x30, 0x00, 0x00, 0x00}, // ','
    {0x08, 0x08, 0x08, 0x08, 0x08, 0x00}, // '-'
    {0x00, 0x60, 0x60, 0x00, 0x00, 0x00}, // '.'
    {0x20, 0x10, 0x08, 0x04, 0x02, 0x00}, // '/'
    {0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00}, // '0'
    {0x00, 0x42, 0x7F, 0x40, 0x00, 0x00}, // '1'
    {0x42, 0x61, 0x51, 0x49, 0x46, 0x00}, // '2'
    {0x21, 0x41, 0x45, 0x4B, 0x31, 0x00}, // '3'
    {0x18, 0x14, 0x12, 0x7F, 0x10, 0x00}, // '4'
    {0x27, 0x45, 0x45, 0x45, 0x39, 0x00}, // '5'
    {0x3C, 0x4A, 0x49, 0x49, 0x30, 0x00}, // '6'
    {0x01, 0x71, 0x09, 0x05, 0x03, 0x00}, // '7'
    {0x36, 0x49, 0x49, 0x49, 0x36, 0x00}, // '8'
    {0x06, 0x49, 0x49, 0x29, 0x1E, 0x00}, // '9'
    {0x00, 0x36, 0x36, 0x00, 0x00, 0x00}, // ':'
    {0x00, 0x56, 0x36, 0x00, 0x00, 0x00}, // ';'
    {0x08, 0x14, 0x22, 0x41, 0x00, 0x00}, // '<'
    {0x14, 0x14, 0x14, 0x14, 0x14, 0x00}, // '='
    {0x00, 0x41, 0x22, 0x14, 0x08, 0x00}, // '>'
    {0x02, 0x01, 0x51, 0x09, 0x06, 0x00}, // '?'
    {0x32, 0x49, 0x79, 0x41, 0x3E, 0x00}, // '@'
    {0x7E, 0x11, 0x11, 0x11, 0x7E, 0x00}, // 'A'
    {0x7F, 0x49, 0x49, 0x49, 0x36, 0x00}, // 'B'
    {0x3E, 0x41, 0x41, 0x41, 0x22, 0x00}, // 'C'
    {0x7F, 0x41, 0x41, 0x22, 0x1C, 0x00}, // 'D'
    {0x7F, 0x49, 0x49, 0x49, 0x41, 0x00}, // 'E'
    {0x7F, 0x09, 0x09, 0x09, 0x01, 0x00}, // 'F'
    {0x3E, 0x41, 0x49, 0x49, 0x7A, 0x00}, // 'G'
    {0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00}, // 'H'
    {0x00, 0x41, 0x7F, 0x41, 0x00, 0x00}, // 'I'
    {0x20, 0x40, 0x41, 0x3F, 0x01, 0x00}, // 'J'
    {0x7F, 0x08, 0x14, 0x22, 0x41, 0x00}, // 'K'
    {0x7F, 0x40, 0x40, 0x40, 0x40, 0x00}, // 'L'
    {0x7F, 0x02, 0x0C, 0x02, 0x7F, 0x00}, // 'M'
    {0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00}, // 'N'
    {0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00}, // 'O'
    {0x7F, 0x09, 0x09, 0x09, 0x06, 0x00}, // 'P'
    {0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00}, // 'Q'
    {0x7F, 0x09, 0x19, 0x29, 0x46, 0x00}, // 'R'
    {0x46, 0x49, 0x49, 0x49, 0x31, 0x00}, // 'S'
    {0x01, 0x01, 0x7F, 0x01, 0x01, 0x00}, // 'T'
    {0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00}, // 'U'
    {0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00}, // 'V'
    {0x7F, 0x20, 0x18, 0x20, 0x7F, 0x00}, // 'W'
    {0x63, 0x14, 0x08, 0x14, 0x63, 0x00}, // 'X'
    {0x07, 0x08, 0x70, 0x08, 0x07, 0x00}, // 'Y'
    {0x61, 0x51, 0x49, 0x45, 0x43, 0x00}, // 'Z'
    {0x00, 0x7F, 0x41, 0x41, 0x00, 0x00}, // '['
    {0x02, 0x04, 0x08, 0x10, 0x20, 0x00}, // '\'
    {0x00, 0x41, 0x41, 0x7F, 0x00, 0x00}, // ']'
    {0x04, 0x02, 0x01, 0x02, 0x04, 0x00}, // '^'
    {0x40, 0x40, 0x40, 0x40, 0x40, 0x00}, // '_'
    {0x00, 0x01, 0x02, 0x04, 0x00, 0x00}, // '`'
    {0x20, 0x54, 0x54, 0x54, 0x78, 0x00}, // 'a'
    {0x7F, 0x48, 0x44, 0x44, 0x38, 0x00}, // 'b'
    {0x38, 0x44, 0x44, 0x44, 0x20, 0x00}, // 'c'
    {0x38, 0x44, 0x44, 0x48, 0x7F, 0x00}, // 'd'
    {0x38, 0x54, 0x54, 0x54, 0x18, 0x00}, // 'e'
    {0x08, 0x7E, 0x09, 0x01, 0x02, 0x00}, // 'f'
    {0x0C, 0x52, 0x52, 0x52, 0x3E, 0x00}, // 'g'
    {0x7F, 0x08, 0x04, 0x04, 0x78, 0x00}, // 'h'
    {0x00, 0x44, 0x7D, 0x40, 0x00, 0x00}, // 'i'
    {0x20, 0x40, 0x44, 0x3D, 0x00, 0x00}, // 'j'
    {0x7F, 0x10, 0x28, 0x44, 0x00, 0x00}, // 'k'
    {0x00, 0x41, 0x7F, 0x40, 0x00, 0x00}, // 'l'
    {0x7C, 0x04, 0x18, 0x04, 0x78, 0x00}, // 'm'
    {0x7C, 0x08, 0x04, 0x04, 0x78, 0x00}, // 'n'
    {0x38, 0x44, 0x44, 0x44, 0x38, 0x00}, // 'o'
    {0x7C, 0x14, 0x14, 0x14, 0x08, 0x00}, // 'p'
    {0x08, 0x14, 0x14, 0x18, 0x7C, 0x00}, // 'q'
    {0x7C, 0x08, 0x04, 0x04, 0x08, 0x00}, // 'r'
    {0x48, 0x54, 0x54, 0x54, 0x20, 0x00}, // 's'
    {0x04, 0x3F, 0x44, 0x40, 0x20, 0x00}, // 't'
    {0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00}, // 'u'
    {0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00}, // 'v'
    {0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00}, // 'w'
    {0x44, 0x28, 0x10, 0x28, 0x44, 0x00}, // 'x'
    {0x0C, 0x50, 0x50, 0x50, 0x3C, 0x00}, // 'y'
    {0x44, 0x64, 0x54, 0x4C, 0x44, 0x00}, // 'z'
    {0x00, 0x08, 0x36, 0x41, 0x00, 0x00}, // '{'
    {0x00, 0x00, 0x7F, 0x00, 0x00, 0x00}, // '|'
    {0x00, 0x41, 0x36, 0x08, 0x00, 0x00}, // '}'
    {0x10, 0x08, 0x08, 0x10, 0x08, 0x00}, // '~'
};

/****************************************8*16的点阵************************************/
const unsigned char Font8X16[]=
{
        0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0
          0x00,0x00,0x00,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x00,0x00,0x18,0x18,0x00,0x00,//! 1
          0x00,0x12,0x36,0x24,0x48,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 2
          0x00,0x00,0x00,0x24,0x24,0x24,0xFE,0x48,0x48,0x48,0xFE,0x48,0x48,0x48,0x00,0x00,//# 3
          0x00,0x00,0x10,0x38,0x54,0x54,0x50,0x30,0x1C,0x14,0x14,0x54,0x54,0x38,0x10,0x10,//$ 4
          0x00,0x00,0x00,0x44,0xA4,0xA8,0xA8,0xA8,0x54,0x1A,0x2A,0x2A,0x2A,0x44,0x00,0x00,//% 5
          0x00,0x00,0x00,0x30,0x48,0x48,0x48,0x50,0x6E,0xA4,0x94,0x88,0x89,0x76,0x00,0x00,//& 6
          0x00,0x60,0x60,0x20,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 7
          0x00,0x02,0x04,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x08,0x08,0x04,0x02,0x00,//( 8
          0x00,0x40,0x20,0x10,0x10,0x08,0x08,0x08,0x08,0x08,0x08,0x10,0x10,0x20,0x40,0x00,//) 9
          0x00,0x00,0x00,0x00,0x10,0x10,0xD6,0x38,0x38,0xD6,0x10,0x10,0x00,0x00,0x00,0x00,//* 10
          0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x10,0xFE,0x10,0x10,0x10,0x10,0x00,0x00,0x00,//+ 11
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x60,0x20,0xC0,//, 12
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//- 13
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x60,0x60,0x00,0x00,//. 14
          0x00,0x00,0x01,0x02,0x02,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x40,0x40,0x00,/// 15
          0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18,0x00,0x00,//0 16
          0x00,0x00,0x00,0x10,0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00,//1 17
          0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x04,0x04,0x08,0x10,0x20,0x42,0x7E,0x00,0x00,//2 18
          0x00,0x00,0x00,0x3C,0x42,0x42,0x04,0x18,0x04,0x02,0x02,0x42,0x44,0x38,0x00,0x00,//3 19
          0x00,0x00,0x00,0x04,0x0C,0x14,0x24,0x24,0x44,0x44,0x7E,0x04,0x04,0x1E,0x00,0x00,//4 20
          0x00,0x00,0x00,0x7E,0x40,0x40,0x40,0x58,0x64,0x02,0x02,0x42,0x44,0x38,0x00,0x00,//5 21
          0x00,0x00,0x00,0x1C,0x24,0x40,0x40,0x58,0x64,0x42,0x42,0x42,0x24,0x18,0x00,0x00,//6 22
          0x00,0x00,0x00,0x7E,0x42,0x44,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x00,//7 23
          0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x24,0x18,0x24,0x42,0x42,0x42,0x3C,0x00,0x00,//8 24
          0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x26,0x1A,0x02,0x02,0x24,0x38,0x00,0x00,//9 25
          0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,//: 26
          0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x18,0x18,0x08,0x30,0x00,//; 27
          0x00,0x00,0x00,0x02,0x04,0x08,0x10,0x20,0x40,0x20,0x10,0x08,0x04,0x02,0x00,0x00,//< 28
          0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0xFE,0x00,0x00,0x00,0x00,0x00,//= 29
          0x00,0x00,0x00,0x40,0x20,0x10,0x08,0x04,0x02,0x04,0x08,0x10,0x20,0x40,0x00,0x00,//> 30
          0x00,0x00,0x00,0x3C,0x42,0x42,0x62,0x02,0x04,0x08,0x08,0x00,0x18,0x18,0x00,0x00,//? 31
          0x00,0x00,0x00,0x38,0x44,0x5A,0xAA,0xAA,0xAA,0xAA,0xB4,0x42,0x44,0x38,0x00,0x00,//@ 32
          0x00,0x00,0x00,0x10,0x10,0x18,0x28,0x28,0x24,0x3C,0x44,0x42,0x42,0xE7,0x00,0x00,//A 33
          0x00,0x00,0x00,0xF8,0x44,0x44,0x44,0x78,0x44,0x42,0x42,0x42,0x44,0xF8,0x00,0x00,//B 34
          0x00,0x00,0x00,0x3E,0x42,0x42,0x80,0x80,0x80,0x80,0x80,0x42,0x44,0x38,0x00,0x00,//C 35
          0x00,0x00,0x00,0xF8,0x44,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x44,0xF8,0x00,0x00,//D 36
          0x00,0x00,0x00,0xFE,0x42,0x48,0x48,0x78,0x48,0x48,0x40,0x42,0x42,0xFE,0x00,0x00,//E 37
          0x00,0x00,0x00,0xFE,0x42,0x48,0x48,0x78,0x48,0x48,0x40,0x40,0x40,0xE0,0x00,0x00,//F 38
          0x00,0x00,0x00,0x3C,0x44,0x44,0x80,0x80,0x80,0x8E,0x84,0x44,0x44,0x38,0x00,0x00,//G 39
          0x00,0x00,0x00,0xE7,0x42,0x42,0x42,0x42,0x7E,0x42,0x42,0x42,0x42,0xE7,0x00,0x00,//H 40
          0x00,0x00,0x00,0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00,//I 41
          0x00,0x00,0x00,0x3E,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x88,0xF0,//J 42
          0x00,0x00,0x00,0xEE,0x44,0x48,0x50,0x70,0x50,0x48,0x48,0x44,0x44,0xEE,0x00,0x00,//K 43
          0x00,0x00,0x00,0xE0,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x42,0xFE,0x00,0x00,//L 44
          0x00,0x00,0x00,0xEE,0x6C,0x6C,0x6C,0x6C,0x54,0x54,0x54,0x54,0x54,0xD6,0x00,0x00,//M 45
          0x00,0x00,0x00,0xC7,0x62,0x62,0x52,0x52,0x4A,0x4A,0x4A,0x46,0x46,0xE2,0x00,0x00,//N 46
          0x00,0x00,0x00,0x38,0x44,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0x44,0x38,0x00,0x00,//O 47
          0x00,0x00,0x00,0xFC,0x42,0x42,0x42,0x42,0x7C,0x40,0x40,0x40,0x40,0xE0,0x00,0x00,//P 48
          0x00,0x00,0x00,0x38,0x44,0x82,0x82,0x82,0x82,0x82,0xB2,0xCA,0x4C,0x38,0x06,0x00,//Q 49
          0x00,0x00,0x00,0xF8,0x44,0x44,0x44,0x78,0x48,0x48,0x44,0x44,0x42,0xE3,0x00,0x00,//R 50
          0x00,0x00,0x00,0x3E,0x42,0x42,0x40,0x20,0x18,0x04,0x02,0x42,0x42,0x7C,0x00,0x00,//S 51
          0x00,0x00,0x00,0xFE,0x92,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x38,0x00,0x00,//T 52
          0x00,0x00,0x00,0xE7,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x3C,0x00,0x00,//U 53
          0x00,0x00,0x00,0xE7,0x42,0x42,0x44,0x24,0x24,0x28,0x28,0x18,0x10,0x10,0x00,0x00,//V 54
          0x00,0x00,0x00,0xD6,0x92,0x92,0x92,0x92,0xAA,0xAA,0x6C,0x44,0x44,0x44,0x00,0x00,//W 55
          0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x18,0x18,0x18,0x24,0x24,0x42,0xE7,0x00,0x00,//X 56
          0x00,0x00,0x00,0xEE,0x44,0x44,0x28,0x28,0x10,0x10,0x10,0x10,0x10,0x38,0x00,0x00,//Y 57
          0x00,0x00,0x00,0x7E,0x84,0x04,0x08,0x08,0x10,0x20,0x20,0x42,0x42,0xFC,0x00,0x00,//Z 58
          0x00,0x1E,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x1E,0x00,//[ 59
          0x00,0x00,0x40,0x40,0x20,0x20,0x10,0x10,0x08,0x04,0x04,0x02,0x02,0x02,0x01,0x01,//\ 60
          0x00,0x78,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x78,0x00,//] 61
          0x00,0x08,0x14,0x22,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 62
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,//_ 63
          0x00,0x60,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 64
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x1E,0x22,0x42,0x42,0x3F,0x00,0x00,//a 65
          0x00,0x00,0x00,0xC0,0x40,0x40,0x40,0x58,0x64,0x42,0x42,0x42,0x64,0x58,0x00,0x00,//b 66
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x22,0x40,0x40,0x40,0x22,0x1C,0x00,0x00,//c 67
          0x00,0x00,0x00,0x06,0x02,0x02,0x02,0x1E,0x22,0x42,0x42,0x42,0x26,0x1B,0x00,0x00,//d 68
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x7E,0x40,0x40,0x42,0x3C,0x00,0x00,//e 69
          0x00,0x00,0x00,0x0F,0x11,0x10,0x10,0x7E,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00,//f 70
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3E,0x44,0x44,0x38,0x40,0x3C,0x42,0x42,0x3C,//g 71
          0x00,0x00,0x00,0xC0,0x40,0x40,0x40,0x5C,0x62,0x42,0x42,0x42,0x42,0xE7,0x00,0x00,//h 72
          0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x70,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00,//i 73
          0x00,0x00,0x00,0x0C,0x0C,0x00,0x00,0x1C,0x04,0x04,0x04,0x04,0x04,0x04,0x44,0x78,//j 74
          0x00,0x00,0x00,0xC0,0x40,0x40,0x40,0x4E,0x48,0x50,0x68,0x48,0x44,0xEE,0x00,0x00,//k 75
          0x00,0x00,0x00,0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00,//l 76
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF6,0x49,0x49,0x49,0x49,0x49,0xED,0x00,0x00,//m 77
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xDC,0x62,0x42,0x42,0x42,0x42,0xE7,0x00,0x00,//n 78
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x42,0x42,0x3C,0x00,0x00,//o 79
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xD8,0x64,0x42,0x42,0x42,0x64,0x58,0x40,0xE0,//p 80
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1E,0x22,0x42,0x42,0x42,0x26,0x1A,0x02,0x07,//q 81
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xEE,0x32,0x20,0x20,0x20,0x20,0xF8,0x00,0x00,//r 82
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3E,0x42,0x40,0x3C,0x02,0x42,0x7C,0x00,0x00,//s 83
          0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x7C,0x10,0x10,0x10,0x10,0x10,0x0C,0x00,0x00,//t 84
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC6,0x42,0x42,0x42,0x42,0x46,0x3B,0x00,0x00,//u 85
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x28,0x10,0x10,0x00,0x00,//v 86
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xD7,0x92,0x92,0xAA,0xAA,0x44,0x44,0x00,0x00,//w 87
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x6E,0x24,0x18,0x18,0x18,0x24,0x76,0x00,0x00,//x 88
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x28,0x18,0x10,0x10,0xE0,//y 89
          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7E,0x44,0x08,0x10,0x10,0x22,0x7E,0x00,0x00,//z 90
          0x00,0x03,0x04,0x04,0x04,0x04,0x04,0x08,0x04,0x04,0x04,0x04,0x04,0x04,0x03,0x00,//{ 91
          0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,//| 92
          0x00,0x60,0x10,0x10,0x10,0x10,0x10,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x60,0x00,//} 93
          0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x52,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94
};

oled_user.c:

#define I2C_MASTER MXC_I2C1 // SCL P0_16; SDA P0_17
#define I2C_SCL_PIN 16
#define I2C_SDA_PIN 17


#define I2C_FREQ 100000 // 100kHZ


mxc_i2c_req_t req;

//OLED显存总共分为8页
//每页8行，一行128个像素点

//数组每个bit存储OLED每个像素点的颜色值(1-亮(白色),0-灭(黑色))
//每个数组元素表示1列8个像素点，一共128列
uint8_t Flash_OLED_Buffer[1025] = {0};
uint8_t * OLED_buffer = Flash_OLED_Buffer+1 ;

static void I2c_Init_Fun(void)
{
    int error;
    //Setup the I2CM
    error = MXC_I2C_Init(I2C_MASTER, 1, 0);
    if (error != E_NO_ERROR) {
       printf("-->I2C Master Initialization failed, error:%d\n", error);
    } else {
       printf("\n-->I2C Master Initialization Complete\n");
    }

    printf("-->Scanning started\n");
    MXC_I2C_SetFrequency(I2C_MASTER, I2C_FREQ);

    req.i2c = I2C_MASTER;
    req.addr = 0;
    req.tx_buf = NULL;
    req.tx_len = 0;
    req.rx_buf = NULL;
    req.rx_len = 0;
    req.restart = 0;
    req.callback = NULL;

    uint8_t counter = 0;
   for (uint8_t address = 8; address < 70; address++)
   {
       printf(".");
       fflush(0);
       req.addr = address;
       if ((MXC_I2C_MasterTransaction(&req)) == 0)
       {
           printf("\nFound slave ID %03d; 0x%02X\n", address, address);
           counter++;
       }
       MXC_Delay(MXC_DELAY_MSEC(200));
   }
    printf("\n-->Scan finished. %d devices found\n", counter);
    printf("I2c_Init ok\n");
}

//写命令
int WriteCmd(unsigned char I2C_Command)
{
    printf("WriteCmd data=%x\n",I2C_Command);
    uint8_t buffer[2];
    buffer[0] = COM;
    buffer[1] = I2C_Command;

    req.tx_buf = buffer;
    req.i2c = I2C_MASTER; // 根据你的硬件选择
    req.addr = SSD1306_ADDR;
    req.tx_len = 2;

    int ret = MXC_I2C_MasterTransaction(&req);
    if (ret != 0)
    {
        printf("oled WriteCmd I2C Write failed, ret=%d\n", ret);
    }
    MXC_Delay(MXC_DELAY_MSEC(5)); // 给总线一些时间
    return ret;
}

int WriteDat(unsigned char I2C_Data) //写数据
{
    uint8_t buffer[2];
    buffer[0] = DAT;
    buffer[1] = I2C_Data;

    req.tx_buf = buffer;
    req.i2c = I2C_MASTER; // 根据你的硬件选择
    req.addr = SSD1306_ADDR;
    req.tx_len = 2;

    int ret = MXC_I2C_MasterTransaction(&req);
    if (ret != 0)
    {
        printf("oled WriteDat I2C Write failed ret=%d\n",ret);
    }

    MXC_Delay(MXC_DELAY_MSEC(5)); // 给总线一些时间
    return ret;
}


void OLED_Init(void) {
    I2c_Init_Fun();

    WriteCmd(0xAE); // 关闭显示
    WriteCmd(0x20); // 设置内存寻址模式
    WriteCmd(0x00); // 水平寻址模式
    WriteCmd(0xB0); // 设置页地址
    WriteCmd(0xC8); // 设置扫描方向
    WriteCmd(0x00); // 设置列地址低 4 位
    WriteCmd(0x10); // 设置列地址高 4 位
    WriteCmd(0x40); // 设置显示起始行
    WriteCmd(0x81); // 设置对比度
    WriteCmd(0xFF); // 最大对比度
    WriteCmd(0xA1); // 设置段重映射
    WriteCmd(0xA6); // 设置正常显示
    WriteCmd(0xA8); // 设置多路复用率
    WriteCmd(0x3F); // 1/64 多路复用
    WriteCmd(0xA4); // 恢复整体显示
    WriteCmd(0xD3); // 设置显示偏移
    WriteCmd(0x00); // 无偏移
    WriteCmd(0xD5); // 设置时钟分频比/振荡器频率
    WriteCmd(0xF0); // 设置分频比
    WriteCmd(0xD9); // 设置预充电周期
    WriteCmd(0x22); // 设置预充电周期
    WriteCmd(0xDA); // 设置 COM 引脚硬件配置
    WriteCmd(0x12); // 设置 COM 引脚硬件配置
    WriteCmd(0xDB); // 设置 VCOMH 取消选择级别
    WriteCmd(0x20); // 设置 VCOMH 取消选择级别
    WriteCmd(0x8D); // 设置电荷泵
    WriteCmd(0x14); // 启用电荷泵
    WriteCmd(0xAF); // 开启显示

    printf("OLED_Init done\n");
}

void OLED_Set_Pos(unsigned char x, unsigned char y)
{
    WriteCmd(YLevel+y/OLED_PAGE_SIZE);
    WriteCmd(((x&0xf0)>>4)|0x10);
    WriteCmd(x&0x0f);
}

void OLED_Display(void)
{
    WriteCmd(0x21); // 设置列地址
    WriteCmd(0x00); // 起始列地址
    WriteCmd(SSD1306_WIDTH - 1); // 结束列地址
    WriteCmd(0x22); // 设置页地址
    WriteCmd(0x00); // 起始页地址
    WriteCmd(OLED_PAGE_SIZE - 1); // 结束页地址
    Flash_OLED_Buffer[0] = 0x40;
    req.tx_buf = Flash_OLED_Buffer;
    req.i2c = I2C_MASTER; // 根据你的硬件选择
    req.addr = SSD1306_ADDR;
    req.tx_len = 1025;
    int ret = MXC_I2C_MasterTransaction(&req);
    if (ret != 0)
    {
        printf("OLED_Display failed ret=%d\n",ret);
    }
}

void OLED_CLear(unsigned char clear_data)
{
    if(clear_data)
    {
        memset(OLED_buffer,0xff,SSD1306_WIDTH * OLED_PAGE_SIZE);
    }
    else
    {
        memset(OLED_buffer,0x00,SSD1306_WIDTH * OLED_PAGE_SIZE);
    }
}

void OLED_Set_Pixel(unsigned char x, unsigned char y,unsigned char color)
{
    if(color)
    {
        OLED_buffer[(y/OLED_PAGE_SIZE)*SSD1306_WIDTH+x]|= (1<<(y%OLED_PAGE_SIZE))&0xff;
    }
    else
    {
        OLED_buffer[(y/OLED_PAGE_SIZE)*SSD1306_WIDTH+x]&= ~((1<<(y%OLED_PAGE_SIZE))&0xff);
    }
}

void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size,uint8_t mode)
{
    unsigned char c=0,i=0,tmp,j=0;
    c=chr-' ';//得到偏移后的值
    if(x>SSD1306_WIDTH-1)
    {
        x=0;
        y=y+2;
    }
    if(Char_Size ==16) {
        for(i=0;i<16;i++) {
          if(mode) {
                tmp = Font8X16[c*16+i];
            } else {
                tmp = ~(Font8X16[c*16+i]);
            }
            for(j=0;j<8;j++) {
                if(tmp&(0x80>>j)) {
                    OLED_Set_Pixel(x+j, y+i,1);
                } else {
                    OLED_Set_Pixel(x+j, y+i,0);
                }
            }
        }
    }
    else if(Char_Size==8)
    {
        for(i=0;i<8;i++) {
            if(mode) {
                tmp = Font6x8[c][i];
            } else {
                tmp = ~(Font6x8[c][i]);
            }
            for(j=0;j<8;j++) {
                if(tmp&(0x80>>j)) {
                    OLED_Set_Pixel(x+j, y+i,1);
                } else {
                    OLED_Set_Pixel(x+j, y+i,0);
                }
            }
        }
    }
    else
    {
        return;
    }
}

void GUI_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size,uint8_t mode)
{
    unsigned char j=0,csize;
    if(Char_Size == 16) {
        csize = Char_Size/2;
    } else if(Char_Size == 8) {
        csize = Char_Size/2+2;
    } else {
        return;
    }

    while (chr[j]!='\0') {
        OLED_ShowChar(x,y,chr[j],Char_Size,mode);
        x+=csize;
        if(x>120) {
            x=0;
            y+=Char_Size;
        }
        j++;
    }
}

编译、烧录程序后如图显示：