STM32硬件IIC与OLED使用

OLED屏幕介绍

OLED即有机发光管(Organic Light-Emitting Diode,OLED)。OLED显示技术具有自发光、广视角、几乎无穷高的对比度、较低功耗、极高反应速度、可用于绕曲性面板、使用温度范围广、构造及制程简单等有点，被认为是下一代的平面显示屏新兴应用技术 OLED显示和传统的LCD显示不同，其可以自发光，所以不需要背光灯，这使得OLED显示屏相对于LCD显示屏尺寸更薄，同时显示效果更优。常用的OLED屏幕有蓝色、黄色、白色等几种。屏的大小为0.96寸，像素点为 128*64，所以我们称为0.96oled屏或者12864屏。

接线说明：

OLED屏幕显存

OLED本身是没有显存的，他的现存是依赖SSD1306提供的，而SSD1306提供一块显存。 SSD1306显存总共为128*64bit大小，SSD1306将这些显存分成了8页。每页包含了128个字节。

STM32内部建立一个缓存(共128*8个字节），每次修改的时候，只是修改STM32上的缓存(实际上就是SRAM)，修改完后一次性把STM32上的缓存数据写入到OLED的GRAM。这个方法也有坏处，对于SRAM很小的单片机（51系列）就比较麻烦。

OLED屏幕常用指令

·命令0X81: 设置对比度。包含两个字节，第一个0X81为命令，随后方法是的一个字节要设置这个对比度，值越大屏幕越亮。

·命令0XAE/0XAF: 0XAE为关闭显示命令，0XAF为开启显示

·命令0X8D: 包含两个字节，第一个为命令字，第二个为设置值，第二个字节的BIT2表示电荷泵的开关状态，该位为1开启电荷泵，为0则关闭。模块初始化的时候，这个必须要开启，否则看不到屏幕显示。

·命令0XB0~B7:用于设置页地址，其低三位的值对应GRAM页地址。

·命令0X00~0X0F：用于设置显示时的起始列地址低四位。

·命令0X10~0X1F: 用于设置显示时的起始列地址高四位

1.可以看出，要想显示”P”，首先写入0x1f,则显示一个竖杠，之后控制器自动水平移动到下一列。

2.再写入0X05,则出现两个小横杆，这个两个横杆就是0X05中0000 0101中两个1所处的位置，写完第二列后，控制器自动跳到第三列.

3.再写入0X07,第四列写入0X00后，P就显示出来了。这也说明，即使你只想再一列的最上端显示一个小点，即写入0X01.

4.即你不能一次性控制一个点阵，只能一次性控制八位点阵，即一列点阵。这也决定了字模选择的取模方式为“列行式“。

简单来说OLED屏幕有128x64个像素格，竖向有128列，横向有64行，而把横向的64行分为8页，每页有8行，比如要设置光标起点：


void OLED_SetPos(unsigned char x,unsigned char y)
{
   WriteCmd(0xb0 +y);//设置页，0xb0代表第0页
   WriteCmd((x&0xf0)>>4|0x10);//设置列，获取列的高四位
   WriteCmd((x&0x0f)|0x01);//设置列，获取列的低四位

}

OLED显示字符串、汉字和图片代码实现：

oled.c

#include "stm32f10x.h"
#include "oled.h"
#include "codetab.h"
#include "delay.h"
#include "systick.h"


void I2C_Configuration(void)
{
 
    I2C_InitTypeDef   I2C_InitStructure;
    GPIO_InitTypeDef   GPIO_InitStructure;
	
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB ,  ENABLE);
    RCC_APB1PeriphClockCmd( RCC_APB1Periph_I2C1, ENABLE );
	
	//PB6 --SCL ;PB7 --SDA
	GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF_OD;
	GPIO_InitStructure.GPIO_Pin   =  GPIO_Pin_6 | GPIO_Pin_7;
	GPIO_InitStructure.GPIO_Speed =  GPIO_Speed_50MHz;
    GPIO_Init(GPIOB, &GPIO_InitStructure);
 
	
    I2C_DeInit(I2C1);                                    //使用IIC1
    I2C_InitStructure.I2C_Ack  =  I2C_Ack_Enable;        //选择使能或者关闭响应
	I2C_InitStructure.I2C_AcknowledgedAddress =  I2C_AcknowledgedAddress_7bit;//指定地址长度（7或10）
	I2C_InitStructure.I2C_ClockSpeed = 400000 ;          //配置SCL时钟频率
	I2C_InitStructure.I2C_DutyCycle  = I2C_DutyCycle_2 ; //选择占空比
	I2C_InitStructure.I2C_Mode =  I2C_Mode_I2C;          //选择IIC模式
	I2C_InitStructure.I2C_OwnAddress1 = 0X30 ;           //配置IIC设备地址
	I2C_Init(I2C1,&I2C_InitStructure );                  //初始化IIC结构体
    I2C_Cmd(I2C1,ENABLE);                                //使能IIC1
 
}
void I2C_WriteByte(uint8_t addr,uint8_t data)
{
 
    while (I2C_GetFlagStatus(I2C1,  I2C_FLAG_BUSY));  //检查总线是否繁忙
	
    I2C_GenerateSTART(I2C1,  ENABLE);                //开启IIC1
    while( !I2C_CheckEvent(I2C1,  I2C_EVENT_MASTER_MODE_SELECT)); //EV5,主模式
	
	 I2C_Send7bitAddress(I2C1,OLED_ADDRESS, I2C_Direction_Transmitter); //发送器件地址
	 while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
 
	 I2C_SendData(I2C1,  addr);   //发送寄存器地址
   while(!I2C_CheckEvent(I2C1,  I2C_EVENT_MASTER_BYTE_TRANSMITTING));
 
	I2C_SendData(I2C1,  data);   //发送数据
	 while(!I2C_CheckEvent(I2C1,  I2C_EVENT_MASTER_BYTE_TRANSMITTING));
 
  I2C_GenerateSTOP( I2C1,  ENABLE); //关闭IIC1
 
 
}
//写指令
void WriteCmd(unsigned char I2C_Command)
{
  
   I2C_WriteByte(0X00,I2C_Command);//寄存器地址为0x00开始写指令


}
//写数据
void WriteDat(unsigned char I2C_Data)
{

   I2C_WriteByte(0x40,I2C_Data);//寄存器地址为0x40开始写数据


}

//OLED屏幕初始化（该代码是厂家给的）
void OLED_Init(void)
{
  delay_ms(100);
	WriteCmd(0xAE); //display off
	WriteCmd(0x20);	//Set Memory Addressing Mode	
	WriteCmd(0x10);	//00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
	WriteCmd(0xb0);	//Set Page Start Address for Page Addressing Mode,0-7
	WriteCmd(0xc8);	//Set COM Output Scan Direction
	WriteCmd(0x00); //---set low column address
	WriteCmd(0x10); //---set high column address
	WriteCmd(0x40); //--set start line address
	WriteCmd(0x81); //--set contrast control register
	WriteCmd(0xff); //ÁÁ¶Èµ÷½Ú 0x00~0xff
	WriteCmd(0xa1); //--set segment re-map 0 to 127
	WriteCmd(0xa6); //--set normal display
	WriteCmd(0xa8); //--set multiplex ratio(1 to 64)
	WriteCmd(0x3F); //
	WriteCmd(0xa4); //0xa4,Output follows RAM content;0xa5,Output ignores RAM content
	WriteCmd(0xd3); //-set display offset
	WriteCmd(0x00); //-not offset
	WriteCmd(0xd5); //--set display clock divide ratio/oscillator frequency
	WriteCmd(0xf0); //--set divide ratio
	WriteCmd(0xd9); //--set pre-charge period
	WriteCmd(0x22); //
	WriteCmd(0xda); //--set com pins hardware configuration
	WriteCmd(0x12);
	WriteCmd(0xdb); //--set vcomh
	WriteCmd(0x20); //0x20,0.77xVcc
	WriteCmd(0x8d); //--set DC-DC enable
	WriteCmd(0x14); //
	WriteCmd(0xaf); //--turn on oled panel


}
//设置起点坐标x是列，y是页
void OLED_SetPos(unsigned char x,unsigned char y)
{
   WriteCmd(0xb0 +y);//0XB0代表第0页
	 WriteCmd((x&0xf0)>>4|0x10);//获取列的高四位
	 WriteCmd((x&0x0f)|0x01);//获取列的低四位并把第一位置1

}
//全屏填充
void OLED_Fill(unsigned char Fill_Data)
{
    unsigned char m,n;
	 for(m=0;m<8;m++)
	{
		WriteCmd(0xb0+m);//从第0页第0列开始写
		WriteCmd(0x00);//列的低四位
		WriteCmd(0x10);//列的高四位
		
			for(n=0;n<128;n++)
			{
					WriteDat(Fill_Data);
			}
	}
}
//清屏，即全屏填充0
void OLED_CLS(void)
{
   OLED_Fill(0x00);
}

//OLED打开
void OLED_ON(void)
{
   WriteCmd(0X8D);  //设置电荷泵
	 WriteCmd(0X14);  //打开电荷泵
	 WriteCmd(0XAF);  //OLED显示开
  

}
//OLED关闭
void OLED_OFF(void)
{
     WriteCmd(0X8D);  //设置电荷泵
	 WriteCmd(0X10);  //关闭电荷泵
	 WriteCmd(0XAE);  //OLEDS显示关


}

//OLED显示字符串
void OLED_ShowStr(unsigned char x,unsigned y,unsigned char ch[],unsigned TextSize)
{
    unsigned char c = 0,i = 0,j = 0;
	  switch(TextSize)
		{
			case 1://字符大小为6x8(6列8行)
			{
				while(ch[j] != '\0')//遍历字符串
				{
				  c = ch[j] - 32;//获取该字符在字符库中的位置，起始索引
					if(x>126)//写满一页就写下一页
					{
					    x= 0;
						y++;
					
					}
					OLED_SetPos(x,y);//设置起点
					for(i=0;i<6;i++)//一个字符有6个字符库数据
           WriteDat( F6x8[c][i] );//遍历该字符的字符库数据
					x+=6 ;//写完一个字符偏移6列
					j++;//遍历字符串
					
					}
				
				}break;
			case 2://8x16字符大小（8列16行）
			{
			   while(ch[j] !='\0')
				 {
						 c= ch[j] - 32;
					 if(x >120)
					 {
							 x = 0;
							 y++ ;
					 }
					 OLED_SetPos(x,y);
					 for(i = 0;i<8;i++)//因为占16行所以分两页写
					 WriteDat( F8X16[c*16+i] );//遍历该字符的字符库数据前8个（c*16为起始索引）
					 OLED_SetPos(x,y+1);//下一页写该字符下半部分
					 for(i = 0;i<8;i++)
					 WriteDat( F8X16[c*16+i+8] );
					 x+=8;//偏移8列
					 j++;
			 }
				 
		}break;
			
		}
}		  
//显示汉字（字体大小16x16为例）
void OLED_ShowCN(unsigned char x,unsigned char y,unsigned char N)
{
    unsigned char wm=0;
	  unsigned int addr = 32*N;
		OLED_SetPos(x,y);
	       
    for(wm=0;wm<16;wm++)//字体大小为16x16分两页写
	{
		WriteDat( F16X16[addr]);
    addr +=1;
		
	}
	 OLED_SetPos(x,y+1);
   for(wm=0;wm<16;wm++)
	{
		WriteDat( F16X16[addr]);
    addr +=1;
		
	}

}

//显示图片
void OLED_DrawBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[])
{
	    unsigned int j=0;
	   unsigned char x,y,q;
	
	if(y1%8 == 0)//y1为结束行
		y = y1/8;//y为结束页
	else
		y = y1/8 +1;//如果有多余行就加1页
	for(q=y0;q<y;q++)//y0为起始页
	{
				OLED_SetPos(x0,q);
       for(x=x0;x<x1;x++)//x0为起始列，x1为结束列
		{
				WriteDat(BMP[j++]);

		}
		
	}
	
	
}

oled.h

#ifndef _OLED_H_
#define _OLED_H_
#include "stm32f10x.h"
#define OLED_ADDRESS 0x78

void I2C_Configuration(void);
void I2C_WriteByte(uint8_t addr,uint8_t data);
void WriteCmd(unsigned char I2C_Command);
void WriteDat(unsigned char I2C_Data);
void OLED_Init(void);
void OLED_SetPos(unsigned char x,unsigned char y);
void OLED_Fill(unsigned char Fill_Data);
void OLED_ON(void);
void OLED_OFF(void);
void OLED_ShowStr(unsigned char x,unsigned y,unsigned char ch[],unsigned TextSize);
void OLED_ShowCN(unsigned char x,unsigned char y,unsigned char N);
void OLED_DrawBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[]);



#endif

codetab.h


unsigned char F16X16[] =
{
	 

0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00,
0x80,0x80,0x81,0x44,0x48,0x30,0x10,0x2F,0x20,0x40,0x40,0x40,0x81,0x80,0x80,0x00,/*"?",0*/

0x00,0x42,0x82,0x02,0x02,0xFE,0x02,0x02,0x02,0xFE,0x02,0x02,0x02,0xC2,0x00,0x00,
0x40,0x40,0x41,0x46,0x40,0x7F,0x40,0x40,0x40,0x7F,0x40,0x44,0x43,0x40,0x40,0x00,/*"?",1*/

0x00,0x08,0x88,0x48,0x28,0x18,0x0F,0xE8,0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00,
0x00,0x20,0x11,0x09,0x05,0x41,0x81,0x7F,0x01,0x01,0x05,0x09,0x11,0x20,0x00,0x00,/*"?",2*/

0x20,0x20,0x20,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,
0x80,0x80,0x40,0x20,0x10,0x0C,0x03,0x00,0x03,0x0C,0x10,0x20,0x40,0x80,0x80,0x00,/*"?",3*/

0x10,0x48,0x44,0x47,0x4C,0x54,0xC4,0xF4,0xC8,0x47,0x44,0x4C,0x54,0x44,0x04,0x00,
0x10,0x10,0x08,0x04,0x0A,0x09,0x08,0xFF,0x08,0x09,0x0A,0x04,0x08,0x10,0x10,0x00,/*"?",4*/

0x80,0x41,0x21,0x1D,0x21,0x41,0x41,0xFF,0x49,0x49,0x49,0x49,0x49,0x43,0x40,0x00,
0x00,0x40,0xC0,0x5F,0x49,0x49,0x49,0x7F,0x49,0x49,0x49,0x4F,0x60,0xC0,0x00,0x00,/*"?",5*/


};
const unsigned char F6x8[][6] =
{
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00,// sp
	0x00, 0x00, 0x00, 0x2f, 0x00, 0x00,// !
	0x00, 0x00, 0x07, 0x00, 0x07, 0x00,// "
	0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14,// #
	0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12,// $
	0x00, 0x62, 0x64, 0x08, 0x13, 0x23,// %
	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, 0x00, 0xA0, 0x60, 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,// 0
	0x00, 0x00, 0x42, 0x7F, 0x40, 0x00,// 1
	0x00, 0x42, 0x61, 0x51, 0x49, 0x46,// 2
	0x00, 0x21, 0x41, 0x45, 0x4B, 0x31,// 3
	0x00, 0x18, 0x14, 0x12, 0x7F, 0x10,// 4
	0x00, 0x27, 0x45, 0x45, 0x45, 0x39,// 5
	0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
	0x00, 0x01, 0x71, 0x09, 0x05, 0x03,// 7
	0x00, 0x36, 0x49, 0x49, 0x49, 0x36,// 8
	0x00, 0x06, 0x49, 0x49, 0x29, 0x1E,// 9
	0x00, 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, 0x59, 0x51, 0x3E,// @
	0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C,// A
	0x00, 0x7F, 0x49, 0x49, 0x49, 0x36,// B
	0x00, 0x3E, 0x41, 0x41, 0x41, 0x22,// C
	0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C,// D
	0x00, 0x7F, 0x49, 0x49, 0x49, 0x41,// E
	0x00, 0x7F, 0x09, 0x09, 0x09, 0x01,// F
	0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A,// G
	0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F,// H
	0x00, 0x00, 0x41, 0x7F, 0x41, 0x00,// I
	0x00, 0x20, 0x40, 0x41, 0x3F, 0x01,// J
	0x00, 0x7F, 0x08, 0x14, 0x22, 0x41,// K
	0x00, 0x7F, 0x40, 0x40, 0x40, 0x40,// L
	0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F,// M
	0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F,// N
	0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E,// O
	0x00, 0x7F, 0x09, 0x09, 0x09, 0x06,// P
	0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
	0x00, 0x7F, 0x09, 0x19, 0x29, 0x46,// R
	0x00, 0x46, 0x49, 0x49, 0x49, 0x31,// S
	0x00, 0x01, 0x01, 0x7F, 0x01, 0x01,// T
	0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F,// U
	0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F,// V
	0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F,// W
	0x00, 0x63, 0x14, 0x08, 0x14, 0x63,// X
	0x00, 0x07, 0x08, 0x70, 0x08, 0x07,// Y
	0x00, 0x61, 0x51, 0x49, 0x45, 0x43,// Z
	0x00, 0x00, 0x7F, 0x41, 0x41, 0x00,// [
	0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55,// 55
	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,// a
	0x00, 0x7F, 0x48, 0x44, 0x44, 0x38,// b
	0x00, 0x38, 0x44, 0x44, 0x44, 0x20,// c
	0x00, 0x38, 0x44, 0x44, 0x48, 0x7F,// d
	0x00, 0x38, 0x54, 0x54, 0x54, 0x18,// e
	0x00, 0x08, 0x7E, 0x09, 0x01, 0x02,// f
	0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C,// g
	0x00, 0x7F, 0x08, 0x04, 0x04, 0x78,// h
	0x00, 0x00, 0x44, 0x7D, 0x40, 0x00,// i
	0x00, 0x40, 0x80, 0x84, 0x7D, 0x00,// j
	0x00, 0x7F, 0x10, 0x28, 0x44, 0x00,// k
	0x00, 0x00, 0x41, 0x7F, 0x40, 0x00,// l
	0x00, 0x7C, 0x04, 0x18, 0x04, 0x78,// m
	0x00, 0x7C, 0x08, 0x04, 0x04, 0x78,// n
	0x00, 0x38, 0x44, 0x44, 0x44, 0x38,// o
	0x00, 0xFC, 0x24, 0x24, 0x24, 0x18,// p
	0x00, 0x18, 0x24, 0x24, 0x18, 0xFC,// q
	0x00, 0x7C, 0x08, 0x04, 0x04, 0x08,// r
	0x00, 0x48, 0x54, 0x54, 0x54, 0x20,// s
	0x00, 0x04, 0x3F, 0x44, 0x40, 0x20,// t
	0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C,// u
	0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C,// v
	0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C,// w
	0x00, 0x44, 0x28, 0x10, 0x28, 0x44,// x
	0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C,// y
	0x00, 0x44, 0x64, 0x54, 0x4C, 0x44,// z
	0x14, 0x14, 0x14, 0x14, 0x14, 0x14,// horiz lines
};
const unsigned char F8X16[]=	  
{
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0
  0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 1
  0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 2
  0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 3
  0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 4
  0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 5
  0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 6
  0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 7
  0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 8
  0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 9
  0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 10
  0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 11
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 12
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 13
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 14
  0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 15
  0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 16
  0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 17
  0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 18
  0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 19
  0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 20
  0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 21
  0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 22
  0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 23
  0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 24
  0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 25
  0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 26
  0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 27
  0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 28
  0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 29
  0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//> 30
  0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 31
  0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 32
  0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 33
  0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 34
  0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 35
  0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 36
  0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 37
  0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 38
  0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 39
  0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 40
  0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 41
  0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 42
  0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 43
  0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 44
  0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 45
  0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 46
  0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 47
  0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 48
  0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 49
  0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 50
  0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 51
  0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 52
  0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 53
  0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 54
  0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 55
  0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 56
  0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 57
  0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 58
  0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 59
  0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 60
  0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 61
  0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 62
  0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 63
  0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 64
  0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 65
  0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 66
  0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 67
  0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 68
  0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 69
  0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 70
  0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 71
  0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 72
  0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 73
  0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 74
  0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 75
  0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 76
  0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 77
  0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 78
  0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 79
  0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 80
  0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 81
  0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 82
  0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 83
  0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 84
  0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 85
  0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 86
  0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 87
  0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 88
  0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 89
  0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 90
  0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 91
  0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 92
  0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 93
  0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94
};

unsigned char BMP1[] =
{ 
 0X32,0X01,0X00,0X80,0X00,0X3B,
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,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X80,0X80,0X80,0X80,0X80,0X80,0XC0,0XC0,
0XC0,0XC0,0XC0,0XC0,0XC0,0XE0,0X60,0X60,0X60,0X60,0X70,0X70,0X30,0X30,0X30,0X30,
0X38,0X38,0X60,0X40,0XC0,0XC0,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X00,
0X00,0X00,0X00,0X00,0X00,0X00,0X00,0X80,0X80,0X80,0X80,0XC0,0XC0,0XC0,0X40,0X40,
0X60,0X60,0X20,0X20,0X30,0X30,0X10,0X10,0X18,0X18,0X18,0X0C,0X0C,0X0C,0X0E,0X0E,
0X0F,0X87,0XA7,0XA7,0X87,0XDD,0XDD,0XDD,0XDD,0XCD,0XCD,0XCD,0XC9,0XC1,0X41,0X51,
0X11,0X21,0X21,0X09,0X09,0X0D,0X2D,0X25,0X07,0X17,0X17,0X17,0X13,0X1B,0X09,0X09,
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};

实现结果：