【功率监测与控制系统DIY活动过程贴】OLED显示
本文介绍了基于 NUCLEO-F411RE 开发板、使用 SMT32CubeMX 软件快速生成工程,实现了通过硬件 I2C1 实现 4 线 OLED 屏显示数字、字符、字符串、汉字的项目设计,包括原理介绍、硬件连接、汉字取模、代码解析等流程。
项目方案
该项目通过 STM32CubeMX 构建 IIC 驱动的基本工程框架,使能 IIC ,之后在 oled.c 文件中定义相关显示函数,包括字符串、文字、数字等,在主函数中调用显示函数,实现 OLED 驱动与目标字符现实。
OLED
OLED(有机发光二极管)是一种自发光显示技术,不需要背光源,具有高对比度、薄厚度、广视角和快速响应等优点。OLED显示模块通常由OLED屏幕和驱动芯片组成,常见的驱动芯片是SSD1306
SSD1306 是一个单片 CMOS OLED/PLED 驱动芯片,支持 128x64 点阵显示。它内置了对比度控制器、显示 RAM和晶振,支持多种接口方式,包括 6800/8000 串口、I2C 接口和 SPI 接口。
显示原理
OLED 显示屏通过 SSD1306 驱动芯片控制,SSD1306 将显存分为 8 页,每页包含128个字节,总共128x64位。显示数据通过并行或串行接口传输到SSD1306,由 SSD1306 控制 OLED 屏幕显示。
详见:OLED显示模块(原理讲解、STM32实例操作) .
OLED显示
介绍了实现OLED屏幕显示信息的项目流程。
打开 STM32CubeMX 软件,新建 ST 板卡工程;
时钟配置:采用默认设置,系统时钟频率 84MHz;
Pinout & Configuration 标签下选择 Connectivity - I2C1 , 右侧 Mode 选择 I2C 使能 IIC 总线功能,此时 Pinout View 中 IIC 对应的管脚被标注为 I2C1 ;
配置完成后,进入 Project Manager 标签栏,进行项目命名、保存路径设置、编译器选择等操作;
点击 Generate Code 按钮,使用 STM32CubeIDE 或 Keil 打开目标工程;
编译工程,0 error, 0 warning .
硬件连接
PB7 ---- SDA (OLED)
PB6 ---- SCL (OLED)
NUCLEO-F411RE 排针布局和定义
汉字取模
下载 并运行 PC2LCD2018 软件 ;
菜单栏模式设置为 字符模式 ;
点击工具栏中的 设置 按钮,配置字模选项:列行式取模、低位在前等,设置完成后点击 确定 保存配置;
在文字输入选框输入目标汉字,点击 生成字模 ;
选中复制或保存字模,代码添加至 oledfont.h 文件。
参考:驱动0.96寸OLED显示屏 、STM32CubeMx+0.96寸OLED(IIC驱动)
代码
在 .../Core/Inc 文件夹新建 oled.h 和 oledfont.h 头文件,
在 .../Src 文件夹新建 oled.c 文件,并在 main.c 中调用相关函数,实现功率计的框架显示
代码分别如下
oled.c
/* * ====================== * ref: https://blog.csdn.net/m0_46295154/article/details/139970968 * ====================== */ #include "oled.h" #include "i2c.h" #include "oledfont.h" uint8_t CMD_Data[]={ 0xAE, 0x00, 0x10, 0x40, 0xB0, 0x81, 0xFF, 0xA1, 0xA6, 0xA8, 0x3F, 0xC8, 0xD3, 0x00, 0xD5, 0x80, 0xD8, 0x05, 0xD9, 0xF1, 0xDA, 0x12, 0xD8, 0x30, 0x8D, 0x14, 0xAF}; //初始化命令 void WriteCmd(void) { uint8_t i = 0; for(i=0; i<27; i++) { HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,CMD_Data+i,1,0x100); } } /** * @function: void OLED_WR_CMD(uint8_t cmd) * @description: 向设备写控制命令 * @param {uint8_t} cmd 芯片手册规定的命令 * @return {*} */ void OLED_WR_CMD(uint8_t cmd) { HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,&cmd,1,0x100); } /** * @function: void OLED_WR_DATA(uint8_t data) * @description: 向设备写控制数据 * @param {uint8_t} data 数据 * @return {*} */ void OLED_WR_DATA(uint8_t data) { HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x40,I2C_MEMADD_SIZE_8BIT,&data,1,0x100); } /** * @function: void OLED_Init(void) * @description: OLED初始化 * @return {*} */ void OLED_Init(void) { HAL_Delay(200); WriteCmd(); } /** * @function: OLED_Clear(void) * @description: 清屏,整个屏幕的像素点都是关闭的 * @return {*} */ void OLED_Clear(void) { uint8_t i,n; for(i=0;i<8;i++) { OLED_WR_CMD(0xb0+i); OLED_WR_CMD (0x00); OLED_WR_CMD (0x10); for(n=0;n<132;n++) OLED_WR_DATA(0); } } /** * @function: void OLED_Display_On(void) * @description: 更新显示 * @return {*} */ void OLED_Display_On(void) { OLED_WR_CMD(0X8D); //SET DCDC命令 OLED_WR_CMD(0X14); //DCDC ON OLED_WR_CMD(0XAF); //DISPLAY ON } /** * @function: void OLED_Display_Off(void) * @description: 关闭OLED显示 * @return {*} */ void OLED_Display_Off(void) { OLED_WR_CMD(0X8D); //SET DCDC命令 OLED_WR_CMD(0X10); //DCDC OFF OLED_WR_CMD(0XAE); //DISPLAY OFF } /** * @function: void OLED_Set_Pos(uint8_t x, uint8_t y) * @description: 坐标设置 * @param {uint8_t} x,y * @return {*} */ void OLED_Set_Pos(uint8_t x, uint8_t y) { OLED_WR_CMD(0xb0+y); OLED_WR_CMD(((x&0xf0)>>4)|0x10); OLED_WR_CMD(x&0x0f); } /** * @function: void OLED_On(void) * @description: 更新显示 * @return {*} */ void OLED_On(void) { uint8_t i,n; for(i=0;i<8;i++) { OLED_WR_CMD(0xb0+i); //设置页地址(0~7) OLED_WR_CMD(0x00); //设置显示位置—列低地址 OLED_WR_CMD(0x10); //设置显示位置—列高地址 for(n=0;n<128;n++) OLED_WR_DATA(1); } //更新显示 } /** * @function: unsigned int oled_pow(uint8_t m,uint8_t n) * @description: m^n函数 * @param {uint8_t} m,n * @return {unsigned int} result */ unsigned int oled_pow(uint8_t m,uint8_t n) { unsigned int result=1; while(n--)result*=m; return result; } //显示2个数字 //x,y :起点坐标 //len :数字的位数 //size:字体大小 //mode:模式 0,填充模式;1,叠加模式 //num:数值(0~4294967295); void OLED_ShowNum(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2, uint8_t Color_Turn) { uint8_t t,temp; uint8_t enshow=0; for(t=0;t<len;t++) { temp=(num/oled_pow(10,len-t-1))%10; if(enshow==0&&t<(len-1)) { if(temp==0) { OLED_ShowChar(x+(size2/2)*t,y,' ',size2, Color_Turn); continue; } else enshow=1; } OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2, Color_Turn); } } /** * @function: void OLED_Showdecimal(uint8_t x,uint8_t y,float num,uint8_t z_len,uint8_t f_len,uint8_t size2, uint8_t Color_Turn) * @description: 显示正负浮点数 * @param {uint8_t} x待显示的数字起始横坐标,x:0~126 * @param {uint8_t} y待显示的数字起始纵坐标, y:0~7,若选择字体大小为16,则两行数字之间需要间隔2,若选择字体大小为12,间隔1 * @param {float} num:输入的浮点型数据 * @param {uint8_t } z_ len:整数部分的位数 * @param {uint8_t } f_len: 小数部分的位数 * @param {uint8_t} size2:输入的数据大小,选择 16/12,16为8X16,12为6x8 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相) * @return {*} */ void OLED_ShowDecimal(uint8_t x,uint8_t y,float num,uint8_t z_len,uint8_t f_len,uint8_t size2, uint8_t Color_Turn) { uint8_t t,temp,i=0;//i为负数标志位 uint8_t enshow; int z_temp,f_temp; if(num<0) { z_len+=1; i=1; num=-num; } z_temp=(int)num; //整数部分 for(t=0;t<z_len;t++) { temp=(z_temp/oled_pow(10,z_len-t-1))%10; if(enshow==0 && t<(z_len-1)) { if(temp==0) { OLED_ShowChar(x+(size2/2)*t,y,' ',size2, Color_Turn); continue; } else enshow=1; } OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2, Color_Turn); } //小数点 OLED_ShowChar(x+(size2/2)*(z_len),y,'.',size2, Color_Turn); f_temp=(int)((num-z_temp)*(oled_pow(10,f_len))); //小数部分 for(t=0;t<f_len;t++) { temp=(f_temp/oled_pow(10,f_len-t-1))%10; OLED_ShowChar(x+(size2/2)*(t+z_len)+5,y,temp+'0',size2, Color_Turn); } if(i==1)//如果为负,就将最前的一位赋值‘-’ { OLED_ShowChar(x,y,'-',size2, Color_Turn); i=0; } } /** * @function: void OLED_ShowChar(uint8_t x, uint8_t y, uint8_t chr, uint8_t Char_Size,uint8_t Color_Turn) * @description: 在OLED12864特定位置开始显示一个字符 * @param {uint8_t} x字符开始显示的横坐标 0~127 * @param {uint8_t} y字符开始显示的纵坐标 0~63 * @param {uint8_t} chr待显示的字符 * @param {uint8_t} Char_Size待显示字符的字体大小,选择字体 16/12 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相) * @return {*} */ void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size, uint8_t Color_Turn) { unsigned char c=0,i=0; c=chr-' ';//得到偏移后的值 if(x>128-1){x=0;y=y+2;} if(Char_Size ==16) { OLED_Set_Pos(x,y); for(i=0;i<8;i++) { if(Color_Turn) OLED_WR_DATA(~F8X16[c*16+i]); else OLED_WR_DATA(F8X16[c*16+i]); } //OLED_WR_DATA(F8X16[c*16+i]); OLED_Set_Pos(x,y+1); for(i=0;i<8;i++) { if(Color_Turn) OLED_WR_DATA(~F8X16[c*16+i+8]); else OLED_WR_DATA(F8X16[c*16+i+8]); } //OLED_WR_DATA(F8X16[c*16+i+8]); } else { OLED_Set_Pos(x,y); for(i=0;i<6;i++) { if(Color_Turn) OLED_WR_DATA(~F6x8[c][i]); else OLED_WR_DATA(F6x8[c][i]); } //OLED_WR_DATA(F6x8[c][i]); } } /** * @function: void OLED_ShowString(uint8_t x, uint8_t y, uint8_t *chr, uint8_tChar_Size, uint8_t Color_Turn) * @description: 在OLED12864特定位置开始显示字符串 * @param {uint8_t} x待显示字符串的开始横坐标x:0~127 * @param {uint8_t} y待显示字符串的开始纵坐标 y:0~7,若选择字体大小为16,则两行数字之间需要间隔2,若选择字体大小为12,间隔1 * @param {uint8_t} *chr待显示的字符串 * @param {uint8_t} Char_Size待显示字符串的字体大小,选择字体 16/12,16为8X16,12为6x8 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相) * @return {*} */ void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size, uint8_t Color_Turn) { uint8_t j=0; while (chr[j]!='\0') { OLED_ShowChar(x,y,chr[j],Char_Size, Color_Turn); if (Char_Size ==12) //6X8的字体列加6,显示下一个字符 x += 6; else //8X16的字体列加8,显示下一个字符 x += 8; if (x > 122 && Char_Size==12) //TextSize6x8如果一行不够显示了,从下一行继续显示 { x = 0; y++; } if (x > 120 && Char_Size== 16) //TextSize8x16如果一行不够显示了,从下一行继续显示 { x = 0; y++; } j++; } } /** * @function: void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no, uint8_t Color_Turn) * @description: 在OLED特定位置开始显示16X16汉字 * @param {uint8_t} x待显示的汉字起始横坐标x: 0~112,两列汉字之间需要间隔16 * @param {uint8_t} y待显示的汉字起始纵坐标 y: 0~6 , 两行汉字之间需要间隔2 * @param {uint8_t} no待显示的汉字编号 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相) * @return {*} */ void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no, uint8_t Color_Turn) { uint8_t t=0; OLED_Set_Pos(x,y); for(t=0;t<16;t++) { if (Color_Turn) OLED_WR_DATA(~Hzk[2*no][t]); //显示汉字的上半部分 else OLED_WR_DATA(Hzk[2*no][t]); //显示汉字的上半部分 } OLED_Set_Pos(x,y+1); for(t=0;t<16;t++) { if (Color_Turn) OLED_WR_DATA(~Hzk[2*no+1][t]); //显示汉字的上半部分 else OLED_WR_DATA(Hzk[2*no+1][t]);//显示汉字的上半部分 } } /** * @function: void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t * BMP,uint8_t Color_Turn) * @description: 在OLED特定区域显示BMP图片 * @param {uint8_t} x0图像开始显示横坐标 x0:0~127 * @param {uint8_t} y0图像开始显示纵坐标 y0:0~7 * @param {uint8_t} x1图像结束显示横坐标 x1:1~128 * @param {uint8_t} y1图像结束显示纵坐标 y1:1~8 * @param {uint8_t} *BMP待显示的图像数据 * @param {uint8_t} Color_Turn是否反相显示(1反相、0不反相) * @return {*} */ void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t * BMP,uint8_t Color_Turn) { uint32_t j = 0; uint8_t x = 0, y = 0; if(y1%8==0) y = y1/8; else y = y1/8 + 1; for(y=y0;y<y1;y++) { OLED_Set_Pos(x0,y); for(x=x0;x<x1;x++) { if (Color_Turn) OLED_WR_DATA(~BMP[j++]);//显示反相图片 else OLED_WR_DATA(BMP[j++]);//显示图片 } } } /* @brief 显示动图 @param x0:起始列地址 y0:起始页地址 x1:终止列地址 y1:终止页地址 k: 帧个数 m: 单帧数组大小 BMP[][m]:存放动图代码的数组 @retval 无 */ void OLED_DrawGIF(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t k, int m, unsigned char GIF[][m]) { unsigned int j=0; //定义变量 unsigned char x,y,i; //定义变量 if(y1%8==0) y=y1/8; //判断终止页是否为8的整数倍 else y=y1/8+1; for (i=0;i<k;i++) //从第一帧开始画 { j = 0; for(y=y0;y<y1;y++) //从起始页开始,画到终止页 { OLED_Set_Pos(x0,y);//在页的起始列开始画 for(x=x0;x<x1;x++) //画x1 - x0 列 { OLED_WR_DATA(GIF[i][j++]); //画图片的点 } } } } /** * @function: void OLED_HorizontalShift(uint8_t direction) * @description: 屏幕内容水平全屏滚动播放 * @param {uint8_t} direction LEFT 0x27 RIGHT 0x26 * @return {*} */ void OLED_HorizontalShift(uint8_t direction) { OLED_WR_CMD(0x2e);//停止滚动 OLED_WR_CMD(direction);//设置滚动方向 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00 OLED_WR_CMD(0x00);//设置开始页地址 OLED_WR_CMD(0x07);//设置每个滚动步骤之间的时间间隔的帧频 // 0x00-5帧, 0x01-64帧, 0x02-128帧, 0x03-256帧, 0x04-3帧, 0x05-4帧, 0x06-25帧, 0x07-2帧, OLED_WR_CMD(0x07);//设置结束页地址 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00 OLED_WR_CMD(0xff);//虚拟字节设置,默认为0xff OLED_WR_CMD(0x2f);//开启滚动-0x2f,禁用滚动-0x2e,禁用需要重写数据 } /** * @function: void OLED_Some_HorizontalShift(uint8_t direction,uint8_t start,uint8_t end) * @description: 屏幕部分内容水平滚动播放 * @param {uint8_t} direction LEFT 0x27 RIGHT 0x26 * @param {uint8_t} start 开始页地址 0x00~0x07 * @param {uint8_t} end 结束页地址 0x01~0x07 * @return {*} */ void OLED_Some_HorizontalShift(uint8_t direction,uint8_t start,uint8_t end) { OLED_WR_CMD(0x2e);//停止滚动 OLED_WR_CMD(direction);//设置滚动方向 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00 OLED_WR_CMD(start);//设置开始页地址 OLED_WR_CMD(0x07);//设置每个滚动步骤之间的时间间隔的帧频,0x07即滚动速度2帧 OLED_WR_CMD(end);//设置结束页地址 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00 OLED_WR_CMD(0xff);//虚拟字节设置,默认为0xff OLED_WR_CMD(0x2f);//开启滚动-0x2f,禁用滚动-0x2e,禁用需要重写数据 } /** * @function: void OLED_VerticalAndHorizontalShift(uint8_t direction) * @description: 屏幕内容垂直水平全屏滚动播放 * @param {uint8_t} direction 右上滚动 0x29 * 左上滚动 0x2A * @return {*} */ void OLED_VerticalAndHorizontalShift(uint8_t direction) { OLED_WR_CMD(0x2e);//停止滚动 OLED_WR_CMD(direction);//设置滚动方向 OLED_WR_CMD(0x01);//虚拟字节设置 OLED_WR_CMD(0x00);//设置开始页地址 OLED_WR_CMD(0x07);//设置每个滚动步骤之间的时间间隔的帧频,即滚动速度 OLED_WR_CMD(0x07);//设置结束页地址 OLED_WR_CMD(0x01);//垂直滚动偏移量 OLED_WR_CMD(0x00);//虚拟字节设置,默认为0x00 OLED_WR_CMD(0xff);//虚拟字节设置,默认为0xff OLED_WR_CMD(0x2f);//开启滚动-0x2f,禁用滚动-0x2e,禁用需要重写数据 } /** * @function: void OLED_DisplayMode(uint8_t mode) * @description: 屏幕内容取反显示 * @param {uint8_t} direction ON 0xA7 , * OFF 0xA6 默认此模式,设置像素点亮 * @return {*} */ void OLED_DisplayMode(uint8_t mode) { OLED_WR_CMD(mode); } /** * @function: void OLED_IntensityControl(uint8_t intensity) * @description: 屏幕亮度调节 * @param {uint8_t} intensity 0x00~0xFF,RESET=0x7F * @return {*} */ void OLED_IntensityControl(uint8_t intensity) { OLED_WR_CMD(0x81); OLED_WR_CMD(intensity); }
oled.h
#ifndef __OLED_H__ #define __OLED_H__ #include "stm32f4xx_hal.h" #define OLED_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE() #define GPIOx_OLED_PORT GPIOB #define OLED_SCK_PIN GPIO_PIN_6 #define OLED_SCK_ON() HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SCK_PIN, GPIO_PIN_SET) #define OLED_SCK_OFF() HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SCK_PIN, GPIO_PIN_RESET) #define OLED_SCK_TOGGLE() HAL_GPIO_TogglePin(GPIOx_OLED_PORT, OLED_SCK_PIN) #define OLED_SDA_PIN GPIO_PIN_7 #define OLED_SDA_ON() HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SDA_PIN, GPIO_PIN_SET) #define OLED_SDA_OFF() HAL_GPIO_WritePin(GPIOx_OLED_PORT, OLED_SDA_PIN, GPIO_PIN_RESET) #define OLED_SDA_TOGGLE() HAL_GPIO_TogglePin(GPIOx_OLED_PORT, OLED_SDA_PIN) void WriteCmd(void); void OLED_WR_CMD(uint8_t cmd); void OLED_WR_DATA(uint8_t data); void OLED_Init(void); void OLED_Clear(void); void OLED_Display_On(void); void OLED_Display_Off(void); void OLED_Set_Pos(uint8_t x, uint8_t y); void OLED_On(void); void OLED_ShowNum(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2, uint8_t Color_Turn); void OLED_ShowDecimal(uint8_t x,uint8_t y,float num,uint8_t z_len,uint8_t f_len,uint8_t size2, uint8_t Color_Turn); void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size, uint8_t Color_Turn); void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size, uint8_t Color_Turn); void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no, uint8_t Color_Turn); void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t * BMP,uint8_t Color_Turn); void OLED_DrawGIF(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t k, int m, unsigned char GIF[][m]); void OLED_HorizontalShift(uint8_t direction); void OLED_Some_HorizontalShift(uint8_t direction,uint8_t start,uint8_t end); void OLED_VerticalAndHorizontalShift(uint8_t direction); void OLED_DisplayMode(uint8_t mode); void OLED_IntensityControl(uint8_t intensity); #endif
oledfont.h
#ifndef __OLEDFONT_H__ #define __OLEDFONT_H__ #include "stm32f4xx_hal.h" //8*6 ASCII字符集点阵 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 }; //16*8 ASCII字符集点阵 const unsigned char F8X16[]= { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//sp /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 0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} /92 0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00 };//| /93 //部分汉字 const unsigned char Hzk[][32]= { // 功(0) 率(1) 监(2) 测(3) 与(4) 控(5) 制(6) 电(7) 压(8) 流(9) {0x08,0x08,0x08,0xF8,0x08,0x08,0x08,0x10,0x10,0xFF,0x10,0x10,0x10,0xF0,0x00,0x00}, {0x10,0x30,0x10,0x1F,0x08,0x88,0x48,0x30,0x0E,0x01,0x40,0x80,0x40,0x3F,0x00,0x00},/*"功",0*/ {0x00,0x14,0xA4,0x44,0x24,0x34,0xAD,0x66,0x24,0x94,0x04,0x44,0xA4,0x14,0x00,0x00}, {0x08,0x09,0x08,0x08,0x09,0x09,0x09,0xFD,0x09,0x09,0x0B,0x08,0x08,0x09,0x08,0x00},/*"率",1*/ {0x00,0x00,0x7E,0x00,0x00,0xFF,0x00,0x40,0x30,0x0F,0x04,0x14,0x64,0x04,0x00,0x00}, {0x40,0x40,0x7E,0x42,0x42,0x7E,0x42,0x42,0x42,0x7E,0x42,0x42,0x7E,0x40,0x40,0x00},/*"监",2*/ {0x10,0x60,0x02,0x8C,0x00,0xFE,0x02,0xF2,0x02,0xFE,0x00,0xF8,0x00,0xFF,0x00,0x00}, {0x04,0x04,0x7E,0x01,0x80,0x47,0x30,0x0F,0x10,0x27,0x00,0x47,0x80,0x7F,0x00,0x00},/*"测",3*/ {0x00,0x00,0xE0,0x9F,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x88,0x08,0x00,0x00}, {0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x48,0x80,0x40,0x3F,0x00,0x00,0x00},/*"与",4*/ {0x10,0x10,0x10,0xFF,0x90,0x20,0x98,0x48,0x28,0x09,0x0E,0x28,0x48,0xA8,0x18,0x00}, {0x02,0x42,0x81,0x7F,0x00,0x40,0x40,0x42,0x42,0x42,0x7E,0x42,0x42,0x42,0x40,0x00},/*"控",5*/ {0x40,0x50,0x4E,0x48,0x48,0xFF,0x48,0x48,0x48,0x40,0xF8,0x00,0x00,0xFF,0x00,0x00}, {0x00,0x00,0x3E,0x02,0x02,0xFF,0x12,0x22,0x1E,0x00,0x0F,0x40,0x80,0x7F,0x00,0x00},/*"制",6*/ {0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00}, {0x00,0x00,0x1F,0x08,0x08,0x08,0x08,0x7F,0x88,0x88,0x88,0x88,0x9F,0x80,0xF0,0x00},/*"电",7*/ {0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFA,0x82,0x82,0x82,0x82,0x82,0x02,0x00}, {0x80,0x60,0x1F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x44,0x58,0x40,0x40,0x00},/*"压",8*/ {0x10,0x60,0x02,0x8C,0x00,0x44,0x64,0x54,0x4D,0x46,0x44,0x54,0x64,0xC4,0x04,0x00}, {0x04,0x04,0x7E,0x01,0x80,0x40,0x3E,0x00,0x00,0xFE,0x00,0x00,0x7E,0x80,0xE0,0x00},/*"流",9*/ /* (16 X 16 , 宋体 )*/ }; #endif
main.c
#include "main.h" #include "i2c.h" #include "usart.h" #include "gpio.h" #include "oled.h" void SystemClock_Config(void); int main(void) { HAL_Init(); SystemClock_Config(); MX_GPIO_Init(); MX_I2C1_Init(); MX_USART2_UART_Init(); /* USER CODE BEGIN 2 */ OLED_Init(); OLED_Clear(); /* --- 1st row --- */ OLED_ShowString(0,0,"DIY",16,1); // DIY OLED_ShowCHinese(24,0,0,1); // 功 OLED_ShowCHinese(39,0,1,1); // 率 OLED_ShowCHinese(54,0,2,1); // 监 OLED_ShowCHinese(69,0,3,1); // 测 OLED_ShowCHinese(84,0,4,1); // 与 OLED_ShowCHinese(99,0,5,1); // 控 OLED_ShowCHinese(113,0,6,1); // 制 OLED_ShowCHinese(0,2,7,0); // 电 OLED_ShowCHinese(15,2,9,0); // 流 OLED_ShowChar(30,2,':',16,0); OLED_ShowString(100,2,"mA",16,0); OLED_ShowCHinese(0,4,7,0); // 电 OLED_ShowCHinese(15,4,8,0); // 压 OLED_ShowChar(30,4,':',16,0); OLED_ShowString(100,4,"V",16,0); OLED_ShowCHinese(0,6,0,0); // 功 OLED_ShowCHinese(15,6,1,0); // 率 OLED_ShowChar(30,6,':',16,0); OLED_ShowString(100,6,"mW",16,0); /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ } /* USER CODE END 3 */ }
效果
动态效果
总结
本文介绍了基于 NUCLEO-F411RE 开发板、使用 SMT32CubeMX 软件快速生成工程,实现了通过硬件 I2C1 实现 4 线 OLED 屏显示数字、字符、字符串、汉字的项目设计,包括原理介绍、硬件连接、汉字取模、代码解析等流程,为后续的开发和深入研究做铺垫,也为相关产品及项目的开发设计提供了参考。