概述
I2C总线硬件简单，资源消耗少，只有时钟和数据线。本例程主要讲解如何点亮0.96寸的OLED屏幕，本例程采用的是STM32F030R8T6，64K大小的Flash。

硬件准备
首先需要准备一个开发板，这里我准备的是NUCLEO-F030R8的开发板：
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选择芯片型号
使用STM32CUBEMX选择芯片stm32f030r8，如下所示：
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7 B2 o2 ]. c$ W  g6 X1 S2 o: d配置时钟源
. s. ?" M5 ^; w2 H0 ^5 }. hHSE与LSE分别为外部高速时钟和低速时钟，在本文中使用内置的时钟源，故都选择Disable选项，如下所示：
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配置时钟树
8 k) r$ g8 J6 c$ @STM32F0的最高主频到48M，所以配置48即可：

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- ?5 ]. f. j8 ]% d1 a7 dIIC配置
- J* Z# W+ L0 r8 U5 Q本次实验使用的IIC与显示屏通信，配置如下。



生成工程设置
& l2 J( c* k. Z8 T注意在生产工程设置中不能出现中文，不然会报错。

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生成代码
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配置keil



驱动代码
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1. #include "oled.h"
   
2. #include "i2c.h"
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3. #include "oledfont.h"          //头文件
   
4. 
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5. uint8_t CMD_Data[]={
   
6. 0xAE,        
   
7. 0x00,        
   
8. 0x10,        
   
9. 0x40,        
   
10. 0xB0,
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11. 0x81,
    
12. 0xFF,
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13. 0xA1,
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14. 0xA6,
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15. 0xA8,
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16. 0x3F,                                       
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17. 0xC8,
    
18. 0xD3,
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19. 0x00,
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20. 0xD5,
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21. 0x80,
    
22. 0xD8,
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23. 0x05,
    
24. 0xD9,
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25. 0xF1,
    
26. 0xDA,
    
27. 0x12,
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28. 0xD8,
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29. 0x30,
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30. 0x8D,
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31. 0x14,        
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32. 0xAF        
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33. };      //初始化命令
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34. 
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35. 
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36. void WriteCmd(void)
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37. {
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38.         uint8_t i = 0;
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39.         for(i=0; i<27; i++)
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40.         {
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41.                 HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,CMD_Data+i,1,0x100);
    
42.         }
    
43. }
    
44. //向设备写控制命令
    
45. void OLED_WR_CMD(uint8_t cmd)
    
46. {
    
47.         HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,&cmd,1,0x100);
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48. }
    
49. //向设备写数据
    
50. void OLED_WR_DATA(uint8_t data)
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51. {
    
52.         HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x40,I2C_MEMADD_SIZE_8BIT,&data,1,0x100);
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53. }
    
54. //初始化oled屏幕
    
55. void OLED_Init(void)
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56. {         
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57.         HAL_Delay(200);
    
58. 
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59.         WriteCmd();
    
60. }
    
61. //清屏
    
62. void OLED_Clear(void)
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63. {
    
64.         uint8_t i,n;                    
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65.         for(i=0;i<8;i++)  
    
66.         {  
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67.                 OLED_WR_CMD(0xb0+i);//设置页地址（0~7）
    
68.                 OLED_WR_CMD (0x00); //设置显示位置—列低地址
    
69.                 OLED_WR_CMD (0x10); //设置显示位置—列高地址
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70.                 for(n=0;n<128;n++)
    
71.                         OLED_WR_DATA(0);//更新显示
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72.         }
    
73. }
    
74. //开启OLED显示   
    
75. void OLED_Display_On(void)
    
76. {
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77.         OLED_WR_CMD(0X8D);  //SET DCDC命令
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78.         OLED_WR_CMD(0X14);  //DCDC ON
    
79.         OLED_WR_CMD(0XAF);  //DISPLAY ON
    
80. }
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81. //关闭OLED显示     
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82. void OLED_Display_Off(void)
    
83. {
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84.         OLED_WR_CMD(0X8D);  //SET DCDC命令
    
85.         OLED_WR_CMD(0X10);  //DCDC OFF
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86.         OLED_WR_CMD(0XAE);  //DISPLAY OFF
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87. }        
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88. //坐标设置
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89. void OLED_Set_Pos(uint8_t x, uint8_t y)
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90. {         
    
91.         OLED_WR_CMD(0xb0+y);
    
92.         OLED_WR_CMD(((x&0xf0)>>4)|0x10);
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93.         OLED_WR_CMD(x&0x0f);
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94. }
    
95. 
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96. void OLED_On(void)  
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97. {  
    
98.         uint8_t i,n;                    
    
99.         for(i=0;i<8;i++)  
    
100.         {  
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101.                 OLED_WR_CMD(0xb0+i);    //设置页地址（0~7）
     
102.                 OLED_WR_CMD(0x00);      //设置显示位置—列低地址
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103.                 OLED_WR_CMD(0x10);      //设置显示位置—列高地址   
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104.                 for(n=0;n<128;n++)
     
105.                         OLED_WR_DATA(1);
     
106.         } //更新显示
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107. }
     
108. unsigned int oled_pow(uint8_t m,uint8_t n)
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109. {
     
110.         unsigned int result=1;         
     
111.         while(n--)result*=m;   
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112.         return result;
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113. }
     
114. //显示2个数字
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115. //x,y :起点坐标         
     
116. //len :数字的位数
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117. //size:字体大小
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118. //mode:模式        0,填充模式;1,叠加模式
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119. //num:数值(0~4294967295);                           
     
120. void OLED_ShowNum(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2)
     
121. {                 
     
122.         uint8_t t,temp;
     
123.         uint8_t enshow=0;                                                   
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124.         for(t=0;t<len;t++)
     
125.         {
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126.                 temp=(num/oled_pow(10,len-t-1))%10;
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127.                 if(enshow==0&&t<(len-1))
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128.                 {
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129.                         if(temp==0)
     
130.                         {
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131.                                 OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
     
132.                                 continue;
     
133.                         }else enshow=1;
     
134.                           
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135.                 }
     
136.                  OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
     
137.         }
     
138. }
     
139. //在指定位置显示一个字符,包括部分字符
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140. //x:0~127
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141. //y:0~63
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142. //mode:0,反白显示;1,正常显示                                 
     
143. //size:选择字体 16/12
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144. void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size)
     
145. {              
     
146.         unsigned char c=0,i=0;        
     
147.                 c=chr-' ';//得到偏移后的值                        
     
148.                 if(x>128-1)
     
149.                 {
     
150.                         x=0;
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151.                         y=y+2;
     
152.                 }
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153.                 if(Char_Size ==16)
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154.                         {
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155.                         OLED_Set_Pos(x,y);        
     
156.                         for(i=0;i<8;i++)
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157.                                 OLED_WR_DATA(F8X16[c*16+i]);
     
158.                         OLED_Set_Pos(x,y+1);
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159.                         for(i=0;i<8;i++)
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160.                                 OLED_WR_DATA(F8X16[c*16+i+8]);
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161.                         }
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162.                         else {        
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163.                                 OLED_Set_Pos(x,y);
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164.                                 for(i=0;i<6;i++)
     
165.                                 OLED_WR_DATA(F6x8[c]<i>);
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166.                                 
     
167.                         }
     
168. }
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169. 
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170. //显示一个字符号串
     
171. void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size)
     
172. {
     
173.         unsigned char j=0;
     
174.         while (chr[j]!='\0')
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175.         {               
     
176.                 OLED_ShowChar(x,y,chr[j],Char_Size);//一次显示一个字符
     
177.                         x+=8;
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178.                 if(x>120){x=0;y+=2;}
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179.                         j++;
     
180.         }
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181. }
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182. //显示汉字
     
183. //hzk 用取模软件得出的数组
     
184. void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no)
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185. {                                 
     
186.         uint8_t t,adder=0;
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187. //定位（0xbx,x为第几行。0x1x ,x为列地址 高四位；0x0x，x为列地址第4位。
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188. //比如你想定 位到第3行，第126(0x7e)列，就要写WrCmd(0xb3);WrCmd(0x17);WrCmd(0x0e);）        
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189.         OLED_Set_Pos(x,y);        
     
190.     for(t=0;t<16;t++)
     
191.                 {
     
192.                                 OLED_WR_DATA(Hzk[2*no][t]);
     
193.                                 adder+=1;
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194.      }        
     
195.                 OLED_Set_Pos(x,y+1);        
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196.     for(t=0;t<16;t++)
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197.                         {        
     
198.                                 OLED_WR_DATA(Hzk[2*no+1][t]);
     
199.                                 adder+=1;
     
200.       }                                       
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201. }</i>

复制代码

oled.h
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1. #ifndef __OLED_H__
   
2. #define __OLED_H__
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3. 
   
4. #include "stm32f0xx_hal.h"
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5. 
   
6. ///
   
7. #define   OLED_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOA_CLK_ENABLE()
   
8. 
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9. #define   GPIOx_OLED_PORT               GPIOB
   
10. #define   OLED_SCK_PIN                  GPIO_PIN_6
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11. #define   OLED_SCK_ON()                 HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SCK_PIN, GPIO_PIN_SET)
    
12. #define   OLED_SCK_OFF()                HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SCK_PIN, GPIO_PIN_RESET)
    
13. #define   OLED_SCK_TOGGLE()             HAL_GPIO_TogglePin(GPIOx_OLED_PORT, OLED_SCK_PIN)
    
14. #define   OLED_SDA_PIN                  GPIO_PIN_7
    
15. #define   OLED_SDA_ON()                 HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SDA_PIN, GPIO_PIN_SET)
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16. #define   OLED_SDA_OFF()                HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SDA_PIN, GPIO_PIN_RESET)
    
17. #define   OLED_SDA_TOGGLE()             HAL_GPIO_TogglePin(GPIOx_OLED_PORT, OLED_SDA_PIN)
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18. ///
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19. 
    
20. void WriteCmd(void);
    
21. void OLED_WR_CMD(uint8_t cmd);
    
22. void OLED_WR_DATA(uint8_t data);
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23. void OLED_Init(void);
    
24. void OLED_Clear(void);
    
25. void OLED_Display_On(void);
    
26. void OLED_Display_Off(void);
    
27. void OLED_Set_Pos(uint8_t x, uint8_t y);
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28. void OLED_On(void);
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29. void OLED_ShowNum(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2);
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30. void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size);
    
31. void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size);
    
32. void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no);
    
33. 
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34. #endif
    

复制代码

+ \( W8 q' x1 Loledfont.h

1. #ifndef __OLEDFONT_H__
   
2. #define __OLEDFONT_H__
   
3. 
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4. #include "stm32f0xx_hal.h"
   
5. 
   
6. //8*6 ASCII字符集点阵
   
7. const unsigned char F6x8[][6] =               
   
8. {
   
9.         0x00, 0x00, 0x00, 0x00, 0x00, 0x00,// sp
   
10.         0x00, 0x00, 0x00, 0x2f, 0x00, 0x00,// !
    
11.         0x00, 0x00, 0x07, 0x00, 0x07, 0x00,// "
    
12.         0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14,// #
    
13.         0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12,// $
    6 R- p0 Z8 t% o; t
14.         0x00, 0x62, 0x64, 0x08, 0x13, 0x23,// %
    * y# X* U) `8 D: Q
15.         0x00, 0x36, 0x49, 0x55, 0x22, 0x50,// &
    
16.         0x00, 0x00, 0x05, 0x03, 0x00, 0x00,// '
    
17.         0x00, 0x00, 0x1c, 0x22, 0x41, 0x00,// (
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18.         0x00, 0x00, 0x41, 0x22, 0x1c, 0x00,// )
    8 C; G9 q$ F( j3 u, K; g
19.         0x00, 0x14, 0x08, 0x3E, 0x08, 0x14,// *
    
20.         0x00, 0x08, 0x08, 0x3E, 0x08, 0x08,// +
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21.         0x00, 0x00, 0x00, 0xA0, 0x60, 0x00,// ,
    
22.         0x00, 0x08, 0x08, 0x08, 0x08, 0x08,// -
    2 w( T. u" V/ ?
23.         0x00, 0x00, 0x60, 0x60, 0x00, 0x00,// .
    
24.         0x00, 0x20, 0x10, 0x08, 0x04, 0x02,// /
    , [( a7 {7 v  F: S. X9 r+ _
25.         0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E,// 0
    
26.         0x00, 0x00, 0x42, 0x7F, 0x40, 0x00,// 1
    
27.         0x00, 0x42, 0x61, 0x51, 0x49, 0x46,// 2
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28.         0x00, 0x21, 0x41, 0x45, 0x4B, 0x31,// 3
    
29.         0x00, 0x18, 0x14, 0x12, 0x7F, 0x10,// 4
    
30.         0x00, 0x27, 0x45, 0x45, 0x45, 0x39,// 5
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31.         0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
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32.         0x00, 0x01, 0x71, 0x09, 0x05, 0x03,// 7
    - n& |( m7 Q: V6 {9 p) j" p
33.         0x00, 0x36, 0x49, 0x49, 0x49, 0x36,// 8
    
34.         0x00, 0x06, 0x49, 0x49, 0x29, 0x1E,// 9
    
35.         0x00, 0x00, 0x36, 0x36, 0x00, 0x00,// :
    8 r; n6 k3 @" g' Z
36.         0x00, 0x00, 0x56, 0x36, 0x00, 0x00,// ;
    . }8 _! \9 [& R* k) F, _, ?" R
37.         0x00, 0x08, 0x14, 0x22, 0x41, 0x00,// <
    
38.         0x00, 0x14, 0x14, 0x14, 0x14, 0x14,// =
      Z# E2 D, \  C6 X" Q1 F
39.         0x00, 0x00, 0x41, 0x22, 0x14, 0x08,// >
    . ~& k! {7 R2 d3 p2 P9 \8 ]8 Y. u0 T
40.         0x00, 0x02, 0x01, 0x51, 0x09, 0x06,// ?
    
41.         0x00, 0x32, 0x49, 0x59, 0x51, 0x3E,// @
    
42.         0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C,// A
    
43.         0x00, 0x7F, 0x49, 0x49, 0x49, 0x36,// B
    , a, D2 |8 C" y* ]) y+ J
44.         0x00, 0x3E, 0x41, 0x41, 0x41, 0x22,// C
    
45.         0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C,// D
    
46.         0x00, 0x7F, 0x49, 0x49, 0x49, 0x41,// E
    . J) ^( u) M7 S6 d5 L
47.         0x00, 0x7F, 0x09, 0x09, 0x09, 0x01,// F
    0 h* B% H- ~! C# |9 h* x1 m. ]& k
48.         0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A,// G
    
49.         0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F,// H
    
50.         0x00, 0x00, 0x41, 0x7F, 0x41, 0x00,// I
    
51.         0x00, 0x20, 0x40, 0x41, 0x3F, 0x01,// J
    3 @* y3 `4 c" d8 |) l8 P1 a
52.         0x00, 0x7F, 0x08, 0x14, 0x22, 0x41,// K
    + Q' @6 a9 X" J7 \
53.         0x00, 0x7F, 0x40, 0x40, 0x40, 0x40,// L
    7 U: ]* y% f% R8 b" e& O
54.         0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F,// M
    2 l1 {" W. t* Q, ]# x
55.         0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F,// N
    & z5 @& p8 ]4 k2 v, S1 o
56.         0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E,// O
    
57.         0x00, 0x7F, 0x09, 0x09, 0x09, 0x06,// P
    , w) i& w0 T0 J  k, U0 u: E
58.         0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
    
59.         0x00, 0x7F, 0x09, 0x19, 0x29, 0x46,// R
    . c9 g& J: {1 E. z
60.         0x00, 0x46, 0x49, 0x49, 0x49, 0x31,// S
    * \: e( V+ B" O1 n
61.         0x00, 0x01, 0x01, 0x7F, 0x01, 0x01,// T
    
62.         0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F,// U
    
63.         0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F,// V
    % n5 F3 C; N$ u# m+ ^7 b$ H5 @
64.         0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F,// W
    + a+ K+ J0 F7 S  A/ r& q# a
65.         0x00, 0x63, 0x14, 0x08, 0x14, 0x63,// X
    4 a2 R( ?) Y. J0 b( o* M
66.         0x00, 0x07, 0x08, 0x70, 0x08, 0x07,// Y
    ' |3 A3 O4 T$ S; v% l" p4 V5 K5 }0 q
67.         0x00, 0x61, 0x51, 0x49, 0x45, 0x43,// Z
    + |' p% a, \7 s7 V! P" z# {
68.         0x00, 0x00, 0x7F, 0x41, 0x41, 0x00,// [
    # r  J% f" o* Z2 T* F
69.         0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55,// 55
    
70.         0x00, 0x00, 0x41, 0x41, 0x7F, 0x00,// ]
    
71.         0x00, 0x04, 0x02, 0x01, 0x02, 0x04,// ^
    0 k! F, b% n' n
72.         0x00, 0x40, 0x40, 0x40, 0x40, 0x40,// _
    
73.         0x00, 0x00, 0x01, 0x02, 0x04, 0x00,// '
    
74.         0x00, 0x20, 0x54, 0x54, 0x54, 0x78,// a
    
75.         0x00, 0x7F, 0x48, 0x44, 0x44, 0x38,// b
    - l) l6 d; V6 T
76.         0x00, 0x38, 0x44, 0x44, 0x44, 0x20,// c
    
77.         0x00, 0x38, 0x44, 0x44, 0x48, 0x7F,// d
    
78.         0x00, 0x38, 0x54, 0x54, 0x54, 0x18,// e
    
79.         0x00, 0x08, 0x7E, 0x09, 0x01, 0x02,// f
    
80.         0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C,// g
    
81.         0x00, 0x7F, 0x08, 0x04, 0x04, 0x78,// h
    " k( O2 R! Z1 A8 X' p' @0 [; N+ J
82.         0x00, 0x00, 0x44, 0x7D, 0x40, 0x00,// i
    
83.         0x00, 0x40, 0x80, 0x84, 0x7D, 0x00,// j
    
84.         0x00, 0x7F, 0x10, 0x28, 0x44, 0x00,// k
    
85.         0x00, 0x00, 0x41, 0x7F, 0x40, 0x00,// l
    
86.         0x00, 0x7C, 0x04, 0x18, 0x04, 0x78,// m
    / _5 c8 k* m6 K' `/ q1 N4 P# }
87.         0x00, 0x7C, 0x08, 0x04, 0x04, 0x78,// n
    
88.         0x00, 0x38, 0x44, 0x44, 0x44, 0x38,// o
      a& W+ ?% R. k: `
89.         0x00, 0xFC, 0x24, 0x24, 0x24, 0x18,// p
    
90.         0x00, 0x18, 0x24, 0x24, 0x18, 0xFC,// q
    
91.         0x00, 0x7C, 0x08, 0x04, 0x04, 0x08,// r
    
92.         0x00, 0x48, 0x54, 0x54, 0x54, 0x20,// s
    5 z! ?  Y% h: {/ V
93.         0x00, 0x04, 0x3F, 0x44, 0x40, 0x20,// t
    3 ]" x" Q+ [8 S. \
94.         0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C,// u
    2 C5 v  V1 a. l$ m7 ~
95.         0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C,// v
    
96.         0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C,// w
    
97.         0x00, 0x44, 0x28, 0x10, 0x28, 0x44,// x
    
98.         0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C,// y
    
99.         0x00, 0x44, 0x64, 0x54, 0x4C, 0x44,// z
    
100.         0x14, 0x14, 0x14, 0x14, 0x14, 0x14,// horiz lines
     * J! J% o# K) P* j! i/ [2 X. g
101. };
     
102. 
     . T% L( u# z- y" p: t5 r' J
103. //16*8 ASCII字符集点阵
     - C6 X% P; A& R& y
104. const unsigned char F8X16[]=
     ) ~3 L" P% o4 @, Q, }/ v4 _
105. {
     . v& d) w" R, g9 c7 o! h
106. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//sp /0
     
107. 0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//!  /1
     9 |) @( q! G. D( }& a- l
108. 0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//"  /2
     
109. 0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//#  /3
     
110. 0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//nbsp; /4
     
111. 0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//%  /5
     5 {/ A# Q7 s2 J" I
112. 0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//&  /6
     
113. 0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//'  /7
     
114. 0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//(  /8
     
115. 0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//)  /9
     
116. 0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//*  /10
     
117. 0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+  /11
     
118. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//,  /12
     
119. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//-  /13
     9 F, b( E% E6 Y7 S. G, q7 @% E
120. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//.  /14
     
121. 0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,///  /15
     
122. 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0  /16
     
123. 0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1  /17
     
124. 0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2  /18
     ( R( p1 |6 p% S# X, E+ _5 \7 q
125. 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3  /19
     
126. 0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4  /20
     0 f- ]2 Z( |% m. f3 L5 E2 q1 E4 a
127. 0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5  /21
     
128. 0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6  /22
     
129. 0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7  /23
     - J3 q% Y8 ?9 Y5 e
130. 0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8  /24
     $ H, T5 q: E  c4 m6 x2 A9 h
131. 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9  /25
     
132. 0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//:  /26
     ! P. W  p% ~4 C5 T. |! M0 _
133. 0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//;  /27
     
134. 0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//<  /28
     * d: ^1 P' X0 p7 `" h% v
135. 0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//=  /29
     
136. 0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//>  /30
     
137. 0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//?  /31
     
138. 0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@  /32
     # q  R; d6 {3 {
139. 0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A  /33
     2 b# ?& W1 s3 O% U2 m8 z5 }: A
140. 0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B  /34
     
141. 0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C  /35
     - w* Y  }; q' Z. }
142. 0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D  /36
     
143. 0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E  /37
       G4 ^5 @) c! Z; d: m( s0 d: u
144. 0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F  /38
     8 p7 m. d0 L* T/ l+ Q1 K
145. 0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G  /39
     : y5 u" o6 N6 k2 O
146. 0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H  /40
     6 x" n  y! p1 ?* r8 r8 N
147. 0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I  /41
     5 q! \+ G3 B; o. Z0 H: Z' T
148. 0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J  /42
     
149. 0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K  /43
     
150. 0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L  /44
     # ?& {' i3 b, Q
151. 0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M  /45
     ; f6 a- j( x7 C, ~7 B; |7 g9 p
152. 0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N  /46
     
153. 0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O  /47
     7 z8 L/ R/ N7 W8 W2 E7 _( `; {
154. 0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P  /48
     ! Y  t5 ^& v9 J: a9 T
155. 0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q  /49
     
156. 0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R  /50
     7 G/ g% g6 }: [  O: e6 i" C* a
157. 0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S  /51
     
158. 0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T  /52
     
159. 0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U  /53
     
160. 0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V  /54
     
161. 0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W  /55
     / k/ }; z- f; K, ~
162. 0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X  /56
     
163. 0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y  /57
     
164. 0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z  /58
     % \. `5 A+ {2 H% G. P* X
165. 0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[  /59
     
166. 0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\  /60
     ) G; m3 k: o( k  g
167. 0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//]  /61
     9 D6 S/ n, s; ^) k
168. 0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^  /62
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169. 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_  /63
     
170. 0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//`  /64
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171. 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a  /65
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172. 0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b  /66
     
173. 0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c  /67
     
174. 0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d  /68
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175. 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e  /69
     
176. 0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f  /70
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177. 0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g  /71
     
178. 0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h  /72
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179. 0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i  /73
     
180. 0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j  /74
     
181. 0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k  /75
     
182. 0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l  /76
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183. 0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m  /77
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184. 0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n  /78
     
185. 0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o  /79
     
186. 0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p  /80
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187. 0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q  /81
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188. 0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r  /82
     
189. 0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s  /83
     
190. 0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t  /84
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191. 0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u  /85
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192. 0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v  /86
     
193. 0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w  /87
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194. 0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x  /88
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195. 0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y  /89
     " K" i5 m! @& z1 S. d
196. 0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z  /90
     
197. 0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{  /91
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198. 0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//}  /92
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199. 0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00};//|  /93
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200. 
     
201. //部分汉字
     : [& B! k- _& u& }
202. const unsigned char Hzk[][32]=
     
203. {
     * X/ C( y2 N0 e
204. //记(0) 贴(1) 年(2) 月(3) 日(4)
     
205. 
     & ?4 y) s! N: R" V  ^: _- x
206. {0x40,0x40,0x42,0xCC,0x00,0x00,0x00,0x84,0x84,0x84,0x84,0x84,0xFC,0x00,0x00,0x00},
     , o, D3 z5 j6 X  P' s7 s. Y
207. {0x00,0x00,0x00,0x7F,0x20,0x10,0x00,0x3F,0x40,0x40,0x40,0x40,0x41,0x40,0x70,0x00},/*"记",0*/
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208. 
     
209. {0x00,0xFE,0x02,0xFA,0x02,0xFE,0x00,0x00,0x00,0x00,0xFF,0x10,0x10,0x10,0x10,0x00},
     
210. {0x80,0x47,0x30,0x0F,0x10,0x67,0x00,0xFF,0x41,0x41,0x41,0x41,0x41,0xFF,0x00,0x00},/*"贴",1*/
     
211. 
     2 ~5 C/ x- T1 l; L1 Y
212. {0x00,0x20,0x18,0xC7,0x44,0x44,0x44,0x44,0xFC,0x44,0x44,0x44,0x44,0x04,0x00,0x00},
     
213. {0x04,0x04,0x04,0x07,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x04,0x04,0x00},/*"年",2*/
     
214. 
     
215. {0x00,0x00,0x00,0xFE,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0x22,0xFE,0x00,0x00,0x00},
     ! Q$ |6 j, H8 z3 g  v, V2 c3 H$ g
216. {0x80,0x40,0x30,0x0F,0x02,0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7F,0x00,0x00,0x00},/*"月",3*/
     
217. 
     6 A1 [9 Y" t" S6 M3 ?  ~. q
218. {0x00,0x00,0x00,0xFE,0x82,0x82,0x82,0x82,0x82,0x82,0x82,0xFE,0x00,0x00,0x00,0x00},
     6 h% J+ u) c& Z0 h7 R; U
219. {0x00,0x00,0x00,0xFF,0x40,0x40,0x40,0x40,0x40,0x40,0x40,0xFF,0x00,0x00,0x00,0x00},/*"日",4*/
       ]) |/ m- I4 u4 H5 @
220. 
     
221. };
     
222. #endif

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8 |, s  a, X1 K写好的oled.c放入Src文件夹内，oled.h和oledfont.h放入Inc文件夹内，之后需要在keil中加入这三个文件。
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' [' Q+ c+ a' w  w3 Z5 `; ?取模
1 H( ]# g% K# Q- n4 B" i由于单片机的flash比较吃紧，所以要显示汉字需要先进行取模。

取模软件设置

设置完之后就可以取自己想要汉字的编码，输入完毕点击生成字模即可。

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将取得的编码放入oledfont.h的Hzk数组中即可。

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0 R/ D9 h2 j; T# r! z- U# h& Bmain.c中。
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1.   /* USER CODE BEGIN 2 */
   
2.         OLED_Init();
   # m1 Z! p. y7 z# R4 `! n
3.         OLED_Clear(); //清屏
   6 o+ I$ p* G1 J7 H6 W$ m
4.         OLED_ShowCHinese(0,0,0);//记
   ) E; f- e& Q9 [# P
5.         OLED_ShowCHinese(16,0,1);//贴
   
6.         
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7.         
   $ [2 ]: j8 e% e% I/ ^
8.         OLED_ShowNum(0,2,2020,4,16);//2020
   1 e0 N/ l3 \$ ]
9.         OLED_ShowCHinese(32,2,2);//年
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10.         OLED_ShowNum(48,2,12,2,16);//12
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11.         OLED_ShowCHinese(64,2,3);//月
    
12.         OLED_ShowNum(80,2,15,2,16);//15
    * s! g, A3 C7 y7 R3 T1 _
13.         OLED_ShowCHinese(96,2,4);//日
    
14. 
    
15.         OLED_ShowString(0,6,"Hello World!",12);
    , s; G5 G! U; R  u4 T' ?$ K" `  v
16. 
    
17.         
    
18.   /* USER CODE END 2 */

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演示效果
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