SPI驱动0.96/1.3寸 OLED屏幕,易修改为DMA控制

目录

  • OLED SPI 端口定义
    • 七针OLED引脚定义
    • 六针OLED引脚定义
  • 驱动程序
    • oled.c
    • oled.h
    • oledfont.h
  • 使用
    • main.c
    • 实验现象

STC实验箱4
IAP15W4K58S4
Keil uVision V5.29.0.0
PK51 Prof.Developers Kit Version:9.60.0.0


DMA控制见【0.96寸 OLED屏实现1500Fps的帧率】STM32 软件、硬件SPI、I2C驱动总结

OLED SPI 端口定义

本节引自STM32驱动0.96寸OLED液晶屏(12864液晶屏) —— 小牧同学
在这里插入图片描述
两种屏幕的引脚数不一样,左边的有7个引脚,而右边的只有6个。其次,端口的标号也不完全一样,第一个分别标为GND,VCC,D0,D1,RES,DC和CS第二个分别标为GND,VCC,SCL,SDA,RST,D/C。

七针OLED引脚定义

GND — 接地端口
VCC — 接3.3V电源端口
D0 — CLK时钟信号(等同于上面的SCL)
D1 — 数据端口(等同于上面的SDA)
RES — 复位端口(等同于上面的RST)
DC — 数据/命令选择引脚(等同于上面的D/C)
CS — 片选引脚(低电平有效,也就是所需要接低电平,我实际试验过不接该引脚也是可以正常使用的)

六针OLED引脚定义

GND — 接地端口
VCC — 接3.3V电源端口
SCL — CLK时钟信号端口
SDA — MOSI数据端口
RST — 复位端口
D/C — 数据/命令选择引脚

在这里插入图片描述

驱动程序

       指令解读见【51单片机快速入门指南】4.2: SSD1306 OLED屏(0.96寸、1.3寸)的I2C控制详解
       软件SPI程序见【51单片机快速入门指南】5:软件SPI
       SPI选择模式1或2均可,实测模式0也行。
       51内核单片机所用的stdint.h见【51单片机快速入门指南】1:基础知识和工程创建

oled.c

#include "./SPI_OLED/oled.h"
#include "./SPI_OLED/oledfont.h"
#include "./Soft_SPI/Soft_SPI.h"
#include "./Drivers/delay.h"sbit OLED_RES = P2 ^ 6;
sbit OLED_DC = P2 ^ 7;
sbit OLED_CS = P2 ^ 4;//OLED_RST拉高 移植时需修改
void OLED_RST_H()
{OLED_RES = 1;
}//OLED_RST拉低 移植时需修改
void OLED_RST_L()
{OLED_RES = 0;
}//OLED_DC拉高 移植时需修改
void OLED_DC_H()
{OLED_DC = 1;
}//OLED_DC拉低 移植时需修改
void OLED_DC_L()
{OLED_DC = 0;
}//OLED_CS拉高 移植时需修改
void OLED_CS_H()
{OLED_CS = 1;
}//OLED_CS拉低 移植时需修改
void OLED_CS_L()
{OLED_CS = 0;
}//OLED的显存
//存放格式如下.
//[0]0 1 2 3 ... 127
//[1]0 1 2 3 ... 127
//[2]0 1 2 3 ... 127
//[3]0 1 2 3 ... 127
//[4]0 1 2 3 ... 127
//[5]0 1 2 3 ... 127
//[6]0 1 2 3 ... 127
//[7]0 1 2 3 ... 127#if OLED_BUFFER_MODEuint8_t OLED_GRAM[Max_Row / 8][Max_Column] = {0};#endif/**************************************************************************Function: Refresh the OLED screenInput   : noneOutput  : none函数功能:刷新OLED屏幕入口参数:无返回  值:无**************************************************************************/
void OLED_Refresh_Gram(void)
{
#if OLED_BUFFER_MODEuint16_t i;OLED_Set_Pos(0, 128);for (i = 0; i < Max_Row / 8 * Max_Column; i++){OLED_WR_Byte(OLED_GRAM[0][i], OLED_DATA);}
#endif
}/**
* @brief 向SSD1306写入一个字节
* @param dat:要写入的数据/命令 cmd:数据/命令标志 0,表示命令;1,表示数据;
* @retval None
*/
void OLED_WR_Byte(uint8_t dat, uint8_t cmd)
{OLED_CS_L();if (cmd)OLED_DC_H();elseOLED_DC_L();SOFT_SPI_RW_MODE2(dat);OLED_DC_H();OLED_CS_H();
}/**************************************************************************Function: Set the coordinates (position) displayed on the screen.Input   : x, y: starting point coordinatesOutput  : none函数功能:设置汉字在屏幕上显示的坐标(位置)入口参数: x,y :起点坐标返回  值:无**************************************************************************/
void OLED_Set_Pos(uint8_t x, uint8_t y)
{OLED_WR_Byte(0xb0 + y, OLED_CMD);OLED_WR_Byte(((x & 0xf0) >> 4) | 0x10, OLED_CMD);OLED_WR_Byte((x & 0x0f), OLED_CMD);
}/**
* @brief 开启OLED显示
* @param None
* @retval None
*/
void OLED_Display_On(void)
{OLED_WR_Byte(0X8D, OLED_CMD);  //SET DCDC命令OLED_WR_Byte(0X14, OLED_CMD);  //DCDC ONOLED_WR_Byte(0XAF, OLED_CMD);  //DISPLAY ON
}/**
* @brief 关闭OLED显示
* @param None
* @retval None
*/
void OLED_Display_Off(void)
{OLED_WR_Byte(0X8D, OLED_CMD);  //SET DCDC命令OLED_WR_Byte(0X10, OLED_CMD);  //DCDC OFFOLED_WR_Byte(0XAE, OLED_CMD);  //DISPLAY OFF
}/**
* @brief 清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样
* @param None
* @retval None
*/
void OLED_Clear(void)
{
#if OLED_BUFFER_MODEuint16_t i;for (i = 0; i < Max_Row / 8 * Max_Column; i++){OLED_GRAM[0][i] = 0;}OLED_Refresh_Gram(); //Update the display //更新显示
#elseuint8_t i, n;for (i = 0; i<8; i++){OLED_WR_Byte(0xb0 + i, OLED_CMD);    //设置页地址(0~7)OLED_WR_Byte(0x00, OLED_CMD);      //设置显示位置—列低地址OLED_WR_Byte(0x10, OLED_CMD);      //设置显示位置—列高地址for (n = 0; n<Max_Column; n++)OLED_WR_Byte(0, OLED_DATA);}//更新显示
#endif
}/**
* @brief 在指定位置显示一个字符,包括部分字符
* @param x:0~127   y:0~63   Is_Reverse:1,反白显示  0,正常显示	 charSize:选择字体 16/6
* @retval None
*/
void OLED_ShowChar(uint8_t x, uint8_t y, uint8_t chr, uint8_t charSize, uint8_t Is_Reverse)
{uint8_t i = 0;chr -= ' ';	//得到偏移后的值if (x > Max_Column - 1){x = 0;y = y + 2;}
#if OLED_BUFFER_MODEif(charSize == 16){for(i = 0; i < 8; i++){OLED_GRAM[y][x+i] = Is_Reverse == 0?F8X16[chr][i]:~F8X16[chr][i];OLED_GRAM[y+1][x+i] = Is_Reverse == 0?F8X16[chr][i+8]:~F8X16[chr][i+8];}}else if(charSize == 6){for(i=0; i<6; i++){OLED_GRAM[y][x+i] = Is_Reverse == 0?F8X6[chr][i]:~F8X6[chr][i];}}
#elseif (charSize == 16){OLED_Set_Pos(x, y);for (i = 0; i<8; i++)OLED_WR_Byte(Is_Reverse == 0?F8X16[chr][i]:~F8X16[chr][i], OLED_DATA);OLED_Set_Pos(x, y + 1);for (i = 0; i<8; i++)OLED_WR_Byte(Is_Reverse == 0?F8X16[chr][i + 8]:~F8X16[chr][i + 8], OLED_DATA);}else if(charSize == 6){OLED_Set_Pos(x, y);for (i = 0; i<6; i++)OLED_WR_Byte(Is_Reverse == 0?F8X6[chr][i]:~F8X6[chr][i], OLED_DATA);}
#endif
}/**
* @brief m^n函数
* @param None
* @retval None
*/
uint32_t oled_pow(uint8_t m, uint8_t n)
{uint32_t result = 1;while (n--)result *= m;return result;
}/**
* @brief 显示2个数字
* @param x,y :起点坐标
*				 len :数字的位数,即显示几位有效数字
*				 Size:字体大小
*				 mode:模式	0,填充模式;1,叠加模式
*        num:数值(0~4294967295);
* @retval None
*/
void OLED_ShowNum(uint8_t x, uint8_t y, uint32_t num, uint8_t len, uint8_t Size, uint8_t Is_Reverse)
{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 + 8 * t, y, ' ', Size, Is_Reverse);continue;}elseenshow = 1;}OLED_ShowChar(x + 8 * t, y, temp + '0', Size, Is_Reverse);}
}/**
* @brief 显示一个字符号串
* @param
* @retval None
*/
void OLED_ShowString(uint8_t x, uint8_t y, char *chr, uint8_t charSize, uint8_t Is_Reverse)
{uint8_t j = 0;while (chr[j] != '\0'){OLED_ShowChar(x, y, chr[j], charSize, Is_Reverse);x += 8;if (x>120){x = 0;y += 2;}j++;}
}/**
* @brief 显示汉字
* @param
* @retval None
*/
void OLED_ShowChinese(uint8_t x, uint8_t y, uint8_t no, uint8_t Is_Reverse)
{uint8_t i;
#if OLED_BUFFER_MODEfor (i = 0; i < 16; i++){OLED_GRAM[y][x+i] = Is_Reverse == 0?Hzk[2 * no][i]:~Hzk[2 * no][i];OLED_GRAM[y+1][x+i] = Is_Reverse == 0?Hzk[2 * no + 1][i]:~Hzk[2 * no + 1][i];}
#elseOLED_Set_Pos(x, y);for (i = 0; i < 16; i++){OLED_WR_Byte(Is_Reverse == 0?Hzk[2 * no][i]:~Hzk[2 * no][i], OLED_DATA);}OLED_Set_Pos(x, y + 1);for (i = 0; i<16; i++){OLED_WR_Byte(Is_Reverse == 0?Hzk[2 * no + 1][i]:~Hzk[2 * no + 1][i], OLED_DATA);}
#endif
}/**
* @brief 显示显示BMP图片
* @param 显示显示BMP图片128×64起始点坐标(x,y),x的范围0~127,y为页的范围0~7
* @retval None
*/
void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t BMP[], uint8_t Is_Reverse)
{uint16_t j = 0;uint8_t x, y;if (y1 % 8 == 0) y = y1 / 8;else y = y1 / 8 + 1;
#if OLED_BUFFER_MODEfor (y = y0; y<y1; y++){for (x = x0; x<x1; x++){OLED_GRAM[y][x] = Is_Reverse == 0?BMP[j++]:~BMP[j++];}}
#elsefor (y = y0; y<y1; y++){OLED_Set_Pos(x0, y);for (x = x0; x<x1; x++){OLED_WR_Byte(Is_Reverse == 0?BMP[j++]:~BMP[j++], OLED_DATA);}}
#endif
}/**
* @brief 初始化SSD1306
* @param None
* @retval None
*/
void OLED_Init(void)
{OLED_RST_H();delay_ms(10);OLED_RST_L();delay_ms(100);OLED_RST_H();OLED_WR_Byte(0xAE, OLED_CMD);//--turn off oled panel 设置显示关OLED_WR_Byte(0x00, OLED_CMD);//---set low column address	设置低列地址OLED_WR_Byte(0x10, OLED_CMD);//---set high column address 设置高列地址OLED_WR_Byte(0x40, OLED_CMD);//--set start line address  Set Mapping RAM Display Start Line (0x40~0x7F) 设置显示开始行OLED_WR_Byte(0xDA, OLED_CMD);//--set com pins hardware configuration 设置 COM 引脚硬件配置OLED_WR_Byte(0x12, OLED_CMD);#if OLED_BUFFER_MODEOLED_WR_Byte(0x20, OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02) 设置内存地址模式OLED_WR_Byte(0x00, OLED_CMD);//OLED_WR_Byte(0xD3, OLED_CMD);//-set display offset	Shift Mapping RAM Counter (0x00~0x3F)	设置显示偏移OLED_WR_Byte(0x00/*±8的倍数*/,OLED_CMD);
#elseOLED_WR_Byte(0x20, OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02) 设置内存地址模式OLED_WR_Byte(0x02, OLED_CMD);//OLED_WR_Byte(0xD3, OLED_CMD);//-set display offset	Shift Mapping RAM Counter (0x00~0x3F)	设置显示偏移OLED_WR_Byte(0x00/*±8的倍数*/, OLED_CMD);//-not offset
#endifOLED_WR_Byte(0xA1, OLED_CMD);//--Set SEG/Column Mapping     0xa0左右反置 0xa1正常OLED_WR_Byte(0xC8, OLED_CMD);//Set COM/Row Scan Direction   0xc0上下反置 0xc8正常OLED_WR_Byte(0xDB, OLED_CMD);//--set vcomh	设置 Vcomh 取消选择水平OLED_WR_Byte(0x30, OLED_CMD);//Set VCOM Deselect LevelOLED_WR_Byte(0xD8,OLED_CMD);//set area color mode offOLED_WR_Byte(0x05,OLED_CMD);//OLED_WR_Byte(0x81, OLED_CMD);//--set contrast control register 为 BANK0 设置对比度控制OLED_WR_Byte(Brightness, OLED_CMD); //1~ 255; Default 0x7f (brightness Settings, the bigger the brighter) //1~255;默认0X7F (亮度设置,越大越亮)OLED_WR_Byte(0xA8, OLED_CMD);//--set multiplex ratio(1 to 64)	设置复用率OLED_WR_Byte(0x3f, OLED_CMD);//--1/64 dutyOLED_WR_Byte(0xd5, OLED_CMD);//--set display clock divide ratio/oscillator frequency	设置显示时钟分频率、振荡器频率OLED_WR_Byte(0x80, OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/SecOLED_WR_Byte(0xD9, OLED_CMD);//--set pre-charge period 设置重充电周期OLED_WR_Byte(0xF1, OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 ClockOLED_WR_Byte(0x8D, OLED_CMD);//--set Charge Pump enable/disable 升压允许OLED_WR_Byte(0x14, OLED_CMD);//--set(0x10) disableOLED_WR_Byte(0xA4, OLED_CMD);// Disable Entire Display On (0xa4/0xa5) 全部显示开启OLED_WR_Byte(0xA6, OLED_CMD);// Disable Inverse Display On (0xa6/a7) 设置正常显示OLED_WR_Byte(0xAF, OLED_CMD);// display ON 设置显示开OLED_Clear();OLED_Set_Pos(0, 0);
}

oled.h

#ifndef __OLED_H
#define __OLED_H#include <stdint.h>
#include "./Drivers/config.h"#define OLED_BUFFER_MODE	0
#define Max_Column			128
#define Max_Row				64
#define	Brightness			0xFF#define OLED_CMD  0				//写命令
#define OLED_DATA 1				//写数据/* OLED控制用函数 */
void OLED_Clear(void);																																											 /* OLED清屏 */
void OLED_Display_On(void);                                                         /* OLED开 */
void OLED_ShowPosture(void);																																								 /* 提示信息 */
void OLED_Display_Off(void);                                                        /* OLED关 */
void OLED_Init(void);                                                               /* OLED初始化 */
void OLED_WR_Byte(uint8_t dat, uint8_t cmd);	                                    /* 写字节 */
void OLED_Set_Pos(uint8_t x, uint8_t y);											/* 设置坐标 */
void OLED_ShowChar(uint8_t x, uint8_t y, uint8_t chr, uint8_t charSize, uint8_t Is_Reverse);            /* 显示字符 */
void OLED_ShowString(uint8_t x, uint8_t y, char *p, uint8_t charSize, uint8_t Is_Reverse);	            /* 显示字符串 */
void OLED_ShowChinese(uint8_t x, uint8_t y, uint8_t no, uint8_t Is_Reverse);                            /* 显示中文 */
void OLED_ShowNum(uint8_t x, uint8_t y, uint32_t num, uint8_t len, uint8_t Size, uint8_t Is_Reverse);   /* 显示数字 */
void OLED_DrawBMP(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t BMP[], uint8_t Is_Reverse);	/* 显示图片 */void OLED_Refresh_Gram(void);#endif  /* __OLED_H */

oledfont.h

#ifndef __OLEDFONT_H
#define __OLEDFONT_H/************************************8*6的点阵************************************/
code unsigned char F8X6[][6] =
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00,// sp0x00, 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,// 00x00, 0x00, 0x42, 0x7F, 0x40, 0x00,// 10x00, 0x42, 0x61, 0x51, 0x49, 0x46,// 20x00, 0x21, 0x41, 0x45, 0x4B, 0x31,// 30x00, 0x18, 0x14, 0x12, 0x7F, 0x10,// 40x00, 0x27, 0x45, 0x45, 0x45, 0x39,// 50x00, 0x3C, 0x4A, 0x49, 0x49, 0x30,// 60x00, 0x01, 0x71, 0x09, 0x05, 0x03,// 70x00, 0x36, 0x49, 0x49, 0x49, 0x36,// 80x00, 0x06, 0x49, 0x49, 0x29, 0x1E,// 90x00, 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,// A0x00, 0x7F, 0x49, 0x49, 0x49, 0x36,// B0x00, 0x3E, 0x41, 0x41, 0x41, 0x22,// C0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C,// D0x00, 0x7F, 0x49, 0x49, 0x49, 0x41,// E0x00, 0x7F, 0x09, 0x09, 0x09, 0x01,// F0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A,// G0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F,// H0x00, 0x00, 0x41, 0x7F, 0x41, 0x00,// I0x00, 0x20, 0x40, 0x41, 0x3F, 0x01,// J0x00, 0x7F, 0x08, 0x14, 0x22, 0x41,// K0x00, 0x7F, 0x40, 0x40, 0x40, 0x40,// L0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F,// M0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F,// N0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E,// O0x00, 0x7F, 0x09, 0x09, 0x09, 0x06,// P0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E,// Q0x00, 0x7F, 0x09, 0x19, 0x29, 0x46,// R0x00, 0x46, 0x49, 0x49, 0x49, 0x31,// S0x00, 0x01, 0x01, 0x7F, 0x01, 0x01,// T0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F,// U0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F,// V0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F,// W0x00, 0x63, 0x14, 0x08, 0x14, 0x63,// X0x00, 0x07, 0x08, 0x70, 0x08, 0x07,// Y0x00, 0x61, 0x51, 0x49, 0x45, 0x43,// Z0x00, 0x00, 0x7F, 0x41, 0x41, 0x00,// [0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55,// /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,// a0x00, 0x7F, 0x48, 0x44, 0x44, 0x38,// b0x00, 0x38, 0x44, 0x44, 0x44, 0x20,// c0x00, 0x38, 0x44, 0x44, 0x48, 0x7F,// d0x00, 0x38, 0x54, 0x54, 0x54, 0x18,// e0x00, 0x08, 0x7E, 0x09, 0x01, 0x02,// f0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C,// g0x00, 0x7F, 0x08, 0x04, 0x04, 0x78,// h0x00, 0x00, 0x44, 0x7D, 0x40, 0x00,// i0x00, 0x40, 0x80, 0x84, 0x7D, 0x00,// j0x00, 0x7F, 0x10, 0x28, 0x44, 0x00,// k0x00, 0x00, 0x41, 0x7F, 0x40, 0x00,// l0x00, 0x7C, 0x04, 0x18, 0x04, 0x78,// m0x00, 0x7C, 0x08, 0x04, 0x04, 0x78,// n0x00, 0x38, 0x44, 0x44, 0x44, 0x38,// o0x00, 0xFC, 0x24, 0x24, 0x24, 0x18,// p0x00, 0x18, 0x24, 0x24, 0x18, 0xFC,// q0x00, 0x7C, 0x08, 0x04, 0x04, 0x08,// r0x00, 0x48, 0x54, 0x54, 0x54, 0x20,// s0x00, 0x04, 0x3F, 0x44, 0x40, 0x20,// t0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C,// u0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C,// v0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C,// w0x00, 0x44, 0x28, 0x10, 0x28, 0x44,// x0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C,// y0x00, 0x44, 0x64, 0x54, 0x4C, 0x44,// z0x14, 0x14, 0x14, 0x14, 0x14, 0x14,// ~
};//阴码 列行式 逆向
code unsigned char F8X16[][16]=
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//  00x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 10x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 20x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 30x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 40xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 50x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 60x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 70x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 80x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 90x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 100x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 110x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 120x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 130x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 140x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 150x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 160x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 170x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 180x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 190x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 200x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 210x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 220x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 230x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 240x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 250x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 260x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 270x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 280x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 290x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//> 300x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 310xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 320x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 330x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 340xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 350x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 360x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 370x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 380xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 390x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 400x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 410x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 420x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 430x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 440x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 450x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 460xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 470x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 480xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 490x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 500x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 510x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 520x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 530x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 540xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 550x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 560x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 570x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 580x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 590x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 600x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 610x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 620x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 630x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 640x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 650x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 660x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 670x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 680x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 690x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 700x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 710x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 720x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 730x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 740x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 750x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 760x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 770x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 780x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 790x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 800x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 810x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 820x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 830x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 840x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 850x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 860x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 870x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 880x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 890x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 900x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 910x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 920x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 930x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94
};code unsigned char Hzk[][32]=
{{0x00,0x00,0xF0,0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0x10,0x10,0xF0,0x00,0x00,0x00},{0x00,0x00,0x0F,0x04,0x04,0x04,0x04,0xFF,0x04,0x04,0x04,0x04,0x0F,0x00,0x00,0x00},/*"中",0*/{0x40,0x40,0x40,0x5F,0x55,0x55,0x55,0x75,0x55,0x55,0x55,0x5F,0x40,0x40,0x40,0x00},{0x00,0x40,0x20,0x0F,0x09,0x49,0x89,0x79,0x09,0x09,0x09,0x0F,0x20,0x40,0x00,0x00},/*"景",1*/{0x00,0xFE,0x02,0x42,0x4A,0xCA,0x4A,0x4A,0xCA,0x4A,0x4A,0x42,0x02,0xFE,0x00,0x00},{0x00,0xFF,0x40,0x50,0x4C,0x43,0x40,0x40,0x4F,0x50,0x50,0x5C,0x40,0xFF,0x00,0x00},/*"园",2*/{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",3*/{0x80,0x82,0x82,0x82,0x82,0x82,0x82,0xE2,0xA2,0x92,0x8A,0x86,0x82,0x80,0x80,0x00},{0x00,0x00,0x00,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"子",4*/{0x24,0x24,0xA4,0xFE,0xA3,0x22,0x00,0x22,0xCC,0x00,0x00,0xFF,0x00,0x00,0x00,0x00},{0x08,0x06,0x01,0xFF,0x00,0x01,0x04,0x04,0x04,0x04,0x04,0xFF,0x02,0x02,0x02,0x00},/*"科",5*/{0x10,0x10,0x10,0xFF,0x10,0x90,0x08,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x08,0x00},{0x04,0x44,0x82,0x7F,0x01,0x80,0x80,0x40,0x43,0x2C,0x10,0x28,0x46,0x81,0x80,0x00},/*"技",6*/};#endif

使用

按需修改引脚
在这里插入图片描述
在这里插入图片描述
oled.h中的OLED_BUFFER_MODE为0时为普通模式,RAM占用少
在这里插入图片描述在这里插入图片描述
oled.h中的OLED_BUFFER_MODE为1时使用大小为1024的RAM作为显存,并使用连续写入的方法更新屏幕。
在这里插入图片描述
在这里插入图片描述

main.c

#include "./Drivers/config.h"
#include "./Drivers/delay.h"#include "./Drivers/GPIO.h"
#include "./SPI_OLED/oled.h"void GPIO_config(void)
{GPIO_InitTypeDef GPIO_InitStructure;					//结构定义GPIO_InitStructure.Mode = GPIO_OUT_PP;					//指定IO的输入或输出方式,GPIO_PullUp,GPIO_HighZ,GPIO_OUT_OD,GPIO_OUT_PPGPIO_InitStructure.Pin  = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;//指定要初始化的IO, 或操作GPIO_Inilize(GPIO_P2,&GPIO_InitStructure);				//初始化为推挽输出
}void main(void)
{uint8_t i;GPIO_config();OLED_Init();OLED_Clear();OLED_Display_On();	     OLED_ShowString(0, 0, "STC15W4K58  OLED", 16, 0);OLED_ShowString(0, 2, "   2022-01-10", 6, 0);for(i = 0; i < 7; ++i)OLED_ShowChinese(8 + 16 * i, 6, i, 1);OLED_Refresh_Gram();while(1){}
}

实验现象

在这里插入图片描述

本文来自互联网用户投稿,该文观点仅代表作者本人,不代表本站立场。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如若转载,请注明出处:http://www.mzph.cn/news/400175.shtml

如若内容造成侵权/违法违规/事实不符,请联系多彩编程网进行投诉反馈email:809451989@qq.com,一经查实,立即删除!

相关文章

分享网页到微信朋友圈的官方接口

看到 JiaThis 增加了微信分享的按钮&#xff0c;查看了下网络请求&#xff0c;是官方提供的接口&#xff0c;不过官方文档还没有这方面的信息。这个接口应该是合作测试中的&#xff0c;不排除以后会更改或者停用。 目前分享到微信朋友圈不同于通常的分享&#xff0c;需要先向微…

WordPress PHP Fatal Error “Maximum execution time of 30 seconds exceeded” 的解决办法

修改Wp-config.php 在wp-config.php中增加一行&#xff0c;注意在/* That’s all, stop editing! Happy blogging. */”这一行之前加入&#xff1a; set_time_limit(60); https://blog.csdn.net/cnpinpai/article/details/84575015

上传图片在页面上显示

看了别人写的 自己照着写了一下 <% page language"java" import"java.util.*" pageEncoding"UTF-8"%> <% String path request.getContextPath(); String basePath request.getScheme()"://"request.getServerName()"…

Codeforces Round #307 (Div. 2) A. GukiZ and Contest 水题

A. GukiZ and Contest Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/551/problem/A Description Professor GukiZ likes programming contests. He especially likes to rate his students on the contests he prepares. Now, he has deci…

提高你的Java代码质量吧:使用valueof前必须进行校验

一、分析 每个枚举都是java.lang.Enum的子类&#xff0c;都可以访问Enum类提供的方法&#xff0c;比如hashCode、name、valueOf等&#xff0c;其中valueOf方法会把一个String类型的名称转变成枚举项&#xff0c;也就是在枚举项中查找字面值和该参数相等的枚举项。 我们来深入…

【STC15库函数上手笔记】9、硬件SPI

目录硬件知识库函数spi.cspi.h测试main.c实验现象STC实验箱4 IAP15W4K58S4 Keil uVision V5.29.0.0 PK51 Prof.Developers Kit Version:9.60.0.0 硬件知识 摘自《STC15系列单片机器件手册》 STC15系列单片机还提供另一种高速串行通信接口——SPI接口。SPI是一种全双工…

中介者模式分析、结构图及基本代码

&#xfeff;&#xfeff;定义&#xff1a;用一个中介对象来封装一系列的对象交互。中介者使各对象不须要显式地相互引用。从而使其耦合松散&#xff0c;并且能够独立地改变它们之间的交互。适用地方&#xff1a;中介者模式一般应用于一组对象以定义良好可是复杂的方式进行通信…

WordPress 数据库结构及表字段作用解析

对于WordPress的开发可以说子凡已经是如痴如醉了&#xff0c;通过 WordPress 本身的开放性接口可以做到很多的事情&#xff0c;但是有些时候我们可能更喜欢直接查询数据库来实现某些 WordPress 没有提供的函数来实现目的&#xff0c;所以这时候我们就需要对WordPress 数据库的结…

硬件负载均衡设备介绍

最常用是F5 与citrix netscaler 负载均衡分全局负载均衡和本地负载均衡。 地负载均衡是指对本地的服务器群做负载均衡&#xff0c;全局负载均衡是指对分别放置在不同的地理位置、有不同网络结构的服务器群间作负载均衡。 循环DNS 就是每次解析域名时指向IP loop list 里的下一个…

【STC15库函数上手笔记】10、EEPROM

目录硬件知识基本介绍软件知识EEPROM多字节读函数EEPROM多字节写函数EEPROM扇区擦除函数函数测试main.c实验现象STC实验箱4 IAP15W4K58S4 Keil uVision V5.29.0.0 PK51 Prof.Developers Kit Version:9.60.0.0 硬件知识 基本介绍 摘自《STC15系列单片机器件手册》 STC…

Android中shape中的属性大全

<shape><!-- 实心 --><solid android:color"#ff9d77"/><!-- 渐变 --><gradientandroid:startColor"#ff8c00"android:endColor"#FFFFFF"android:angle"270" /><!-- 描边 --><strokeandroid:wid…

Mysql 插入中文错误:Incorrect string value: '...' for column 'xx' at row 1

datasource url后面加上useUnicodetrue&characterEncodingutf-8alter table w default character set utf8; alter table w change score score varchar(50) character utf8; 转载于:https://www.cnblogs.com/orziii/p/7372339.html

修改WordPress中上传附件2M大小限制的方法

https://blog.csdn.net/u010486124/article/details/38348327?utm_sourceblogxgwz7 post_max_size512M upload_max_filesize512M

ASP.NET会员注册登录模块(MD5加密,Parameters防止SQL注入,判断是否注册)

MD5加密,Parameters防止SQL注入:protected void btnLog_Click(object sender, EventArgs e){//获取验证码string code txtCode.Text;//判断用户输入的验证码是否正确if (Request.Cookies["CheckCode"].Value code){//创建数据库连接SqlConnection con new SqlConn…

【51单片机快速入门指南】4.6:I2C 与 PCF8563实时时钟日历芯片

目录硬知识概述特性功能描述报警功能模式定时器模式CLKOUT输出复位低电压检测器和时钟监视器低电压检测器和时钟监视器寄存器结构寄存器概述BCD编码格式寄存器概述Control/Status 1 寄存器&#xff08;内存地址00H&#xff09;Control/Status 2 寄存器&#xff08;内存地址01H&…

(转) Spring读书笔记-----Spring的Bean之配置依赖

前一篇博客介绍了Spring中的Bean的基本概念和作用域&#xff08;Spring读书笔记-----Spring的Bean之Bean的基本概念 &#xff09;,现在介绍Spring Bean的基本配置。 从开始我们知道Java应用中各组件的相互调用的实质可以归纳为依赖关系。根据注入方式的不同&#xff0c;Bean的依…

Luogu P1031 均分纸牌(贪心)

P1031 均分纸牌 题目描述 有 N 堆纸牌&#xff0c;编号分别为 1&#xff0c;2&#xff0c;…, N。每堆上有若干张&#xff0c;但纸牌总数必为 N 的倍数。可以在任一堆上取若干张纸牌&#xff0c;然后移动。 移牌规则为&#xff1a;在编号为 1 堆上取的纸牌&#xff0c;只能移到…

利用MySQL语句批量替换指定wordpress文章中的图片路径

天花了很多时间将SAE服务器中的图片下载到本地&#xff0c;然后删掉&#xff0c;但是有一个问题就是&#xff0c;所有文章中的图片路径还是以前的&#xff0c;没有根据域名来。导致下午某些时间段图片都是无法显示的&#xff0c;后来想到用MySQL直接批量替换&#xff0c;执行才…

Head First summary

学习面向对象好几年了&#xff0c;但一直没有深刻的理解面向对象&#xff0c;直到最近开始做自动化测试平台开发过程中&#xff0c;才发现面向对象的魅力。因而决定好好把设计模式学习下。首先先了解下设计模式相关的定义以及主意事项&#xff1a; 1.  什么是设计模式&#x…

【51单片机快速入门指南】6.4:DHT11、DHT22单总线温湿度传感器

目录硬知识DHT11DHT22通信协议读取步骤数据解读DHT11DHT22示例程序DHT11_22.cDHT11_22.h测试程序main.c实验现象DHT11DHT22STC89C52 Windows 10 20H2 Proteus 8 Frofessional v8.9 SP2 Keil uVision V5.29.0.0 PK51 Prof.Developers Kit Version:9.60.0.0 硬知识 摘自《温湿…