STM32学习--4-1 OLED显示屏

接线图

OLED.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;   // 开漏输出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
}

 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

 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

 main.c

#include "stm32f10x.h"                  // Device header
#include "Delay.h"
#include "OLED.h"uint8_t KeyNum;int main(void)
{	OLED_Init();OLED_ShowChar(1,1,'A');OLED_ShowString(1,3,"HelloWorld");  // 字符串用双引号括起来OLED_ShowNum(2,1,12345,5);  // OLED_ShowNum(2,1,12345,6); 前面补零 显示 012345// OLED_ShowNum(2,1,12345,4);  高位截断 显示 2345OLED_ShowSignedNum(2,7,12345,5);//OLED_ShowSignedNum(2,7,-66,2);OLED_ShowHexNum(3,1,0xAA55,4);OLED_ShowBinNum(4,1,0xAA55,16);//OLED_Clear(); 清屏//OLED_ShowString(1,3,"    "); //清除某一部分while(1){}
}

效果图

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.rhkb.cn/news/445633.html

如若内容造成侵权/违法违规/事实不符，请联系长河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

初识数据结构--时间复杂度 和 空间复杂度

初识数据结构--时间复杂度 和 空间复杂度

数据结构前言 数据结构 数据结构是计算机存储、组织数据的方式(指不仅能存储数据&#xff0c;还能够管理数据-->增删改)。指相互之间存在一种或多种特定关系的数据元素的集合。没有单一的数据结构对所有用途都有用&#xff0c;所以我们要学习各种的数据结构&#xff0c;比…
阅读更多...
[单master节点k8s部署]36.ingress 配置https（三）

[单master节点k8s部署]36.ingress 配置https（三）

目前我们的tomcat服务在浏览器上通过http来访问。为了提升安全性&#xff0c;我们将配置TLS secret 证书&#xff0c;从而可以进行https访问。 一对TLS密钥包括一个证书&#xff08;trs.crt&#xff09;和一个私钥&#xff0c;证书是公钥证书&#xff0c;用于加密数据并标识服…
阅读更多...
音视频入门基础：H.264专题（18）——AVCDecoderConfigurationRecord简介

音视频入门基础：H.264专题（18）——AVCDecoderConfigurationRecord简介

一、引言 H.264流行的包装方式有两种&#xff0c;一种是AnnexB&#xff0c;另一种是avcC。对于AnnexB包装的H.264码流&#xff0c;其SPS和PPS被当做普通的NALU来处理&#xff1b;而对于avcC包装的H.264码流&#xff0c;其SPS和PPS信息存贮在AVCDecoderConfigurationRecord中&a…
阅读更多...
第十五章 RabbitMQ延迟消息之延迟插件

第十五章 RabbitMQ延迟消息之延迟插件

目录 一、引言 二、延迟插件安装 2.1. 下载插件 2.2. 安装插件 2.3. 确认插件是否生效 三、核心代码 四、运行效果 五、总结 一、引言 上一章我们讲到通过死信队列组合消息过期时间来实现延迟消息&#xff0c;但相对而言这并不是比较好的方式。它的代码实现相对来说比…
阅读更多...
85 外网用户通过域名访问内网服务器

85 外网用户通过域名访问内网服务器

1. 组网需求 某公司内部对外提供Web服务&#xff0c;Web服务器地址为10.110.10.2/24。 该公司在内网有一台DNS服务器&#xff0c;IP地址为10.110.10.3/24&#xff0c;用于解析Web服务器的域名。 该公司拥有两个外网IP地址&#x…
阅读更多...
MySQL(B站CodeWithMosh)——2024.10.12(15)

MySQL(B站CodeWithMosh)——2024.10.12(15)

ZZZZZZ目的ZZZZZZ代码ZZZZZZ重点ZZZZZZ操作&#xff08;非代码&#xff0c;需要自己手动&#xff09; 4- WITH OPTION CHECK子句 | THE WITH OPTION CHECK Clause_哔哩哔哩_bilibilihttps://www.bilibili.com/video/BV1UE41147KC?p66&vd_sourceeaeec77dfceb13d96cce76cc2…
阅读更多...
您是否也在寻找免费的 PDF 编辑器工具？10个备选PDF 编辑器工具

您是否也在寻找免费的 PDF 编辑器工具？10个备选PDF 编辑器工具

您是否也在寻找免费的 PDF 编辑器工具&#xff1f; 如果是&#xff0c;那么您在互联网上处于最佳位置&#xff01; 本指南中提到的所有 10 大免费 PDF 编辑器工具都易于使用&#xff0c;可以允许您添加文本、更改图像、添加图形、填写表格、添加签名等等。 因此&#xff0c;…
阅读更多...
基于IDEA+SpringBoot+Vue+Uniapp的投票评选小程序系统的详细设计和实现

基于IDEA+SpringBoot+Vue+Uniapp的投票评选小程序系统的详细设计和实现

2. 详细视频演示 文章底部名片&#xff0c;联系我获取更详细的演示视频 3. 论文参考 4. 项目运行截图 代码运行效果图 代码运行效果图 代码运行效果图 代码运行效果图 代码运行效果图 5. 技术框架 5.1 后端采用SpringBoot框架 Spring Boot 是一个用于快速开发基于 Spring 框…
阅读更多...
【鸟类识别系统】Python+卷积神经网络算法+人工智能+深度学习+ResNet50算法+计算机课设项目

【鸟类识别系统】Python+卷积神经网络算法+人工智能+深度学习+ResNet50算法+计算机课设项目

一、介绍 鸟类识别系统。本系统采用Python作为主要开发语言&#xff0c;通过使用加利福利亚大学开源的200种鸟类图像作为数据集。使用TensorFlow搭建ResNet50卷积神经网络算法模型&#xff0c;然后进行模型的迭代训练&#xff0c;得到一个识别精度较高的模型&#xff0c;然后在…
阅读更多...
【AI论文精读13】RAG论文综述2（微软亚研院 2409）P5-可解释推理查询L3

【AI论文精读13】RAG论文综述2（微软亚研院 2409）P5-可解释推理查询L3

AI知识点总结&#xff1a;【AI知识点】 AI论文精读、项目、思考&#xff1a;【AI修炼之路】 P1&#xff0c;P2&#xff0c;P3&#xff0c;P4 五、可解释推理查询&#xff08;L3&#xff09; ps&#xff1a;P2有四种查询&#xff08;L1&#xff0c;L2&#xff0c;L3&#xff0c;…
阅读更多...
java生成日历数据列表并按日历格式导出到excel

java生成日历数据列表并按日历格式导出到excel

日历格式输出 日历数据列表导出封装日历格式实体类效果 日历数据列表 /**** 封装日历数据* param year 年份* param month 月份*/public List<InspectionDailyStaffPlanCalendarData> selectCalendarDataList(int year,int month,List<InspectionDailyStaffPlan> …
阅读更多...
面试（十）

面试（十）

目录 一. 单元测试 二. FreeRTOS和裸机哪个实时性好&#xff1f; 三. 怎么判断某个程序的运行时间 四. 函数指针 五. 全局变量被线程使用冲突 5.1 使用互斥锁 5.2 使用读写锁 5.3 使用原子操作 六. 局部变量没有初始化是什么值 七. uint_8 n 255 , n等于多少 八. …
阅读更多...
Unity UndoRedo（撤销重做）功能

Unity UndoRedo（撤销重做）功能

需求 撤销与重做功能 思考 关于记录的数据的两点思考&#xff1a; 记录操作记录影响显示和逻辑的所有数据 很显然这里就要考虑取舍了&#xff1a; 记录操作 这种方案只需要记录每一步的操作&#xff0c;具体这个操作要怎么渲染和实现出来完全需要自己去实现&#xff0c;这…
阅读更多...
JAVA-数据结构-排序

JAVA-数据结构-排序

1.直接插入排序 1.原理&#xff1a;和玩扑克牌一样&#xff0c;从左边第二个牌开始&#xff0c;选中这个&#xff0c;和前面的所有牌比较&#xff0c;插在合适的位置 public static void insertsort(int[] arr){//直接插入排序for (int i 1; i < arr.length; i) {//此循环…
阅读更多...
手撕数据结构 —— 栈（C语言讲解）

手撕数据结构 —— 栈（C语言讲解）

目录 1.认识栈 什么是栈 栈的示意图 2.如何实现栈 3.栈的实现 Stack.h中接口总览 具体实现 结构的定义 初始化栈 销毁栈 入栈 出栈 取栈顶元素 获取有效元素的个数 判断栈是否为空 4.完整代码附录 Stack.h Stack.c 1.认识栈 什么是栈 栈是一种特殊的线性表…
阅读更多...
学视频剪辑需要电脑吗 学视频剪辑需要什么条件

学视频剪辑需要电脑吗 学视频剪辑需要什么条件

态度决定成败&#xff0c;学剪辑亦是如此。我们都在学习剪辑的道路上寻找答案&#xff0c;电脑就像指引答案的工具&#xff0c;但它本身并不是答案。所以&#xff0c;好电脑不等于好剪辑师。想要学好视频剪辑&#xff0c;你只需要一个态度端正的自己。有关学视频剪辑需要电脑吗…
阅读更多...
Spring Cloud Stream 3.x+kafka 3.8整合

Spring Cloud Stream 3.x+kafka 3.8整合

Spring Cloud Stream 3.xkafka 3.8整合&#xff0c;文末有完整项目链接 前言一、如何看官方文档(有深入了解需求的人)二、kafka的安装tar包安装docker安装 三、代码中集成创建一个测试topic&#xff1a;testproducer代码producer配置&#xff08;配置的格式&#xff0c;上篇文章…
阅读更多...
基于SpringBoot+Vue的疫苗预约接种管理系统

基于SpringBoot+Vue的疫苗预约接种管理系统

作者&#xff1a;计算机学姐 开发技术&#xff1a;SpringBoot、SSM、Vue、MySQL、JSP、ElementUI、Python、小程序等&#xff0c;“文末源码”。 专栏推荐&#xff1a;前后端分离项目源码、SpringBoot项目源码、Vue项目源码、SSM项目源码、微信小程序源码 精品专栏&#xff1a;…
阅读更多...
DELL R720服务器阵列数据恢复，磁盘状态为Foreign

DELL R720服务器阵列数据恢复，磁盘状态为Foreign

服务器无法正常进入系统&#xff0c;物理磁盘状态变成了Foreign 虚拟磁盘状态变成了Failed 阵列已经丢失了&#xff0c;需要手工强制导入外部配置 单击 Main Menu 屏幕上的 Configuration Management。单击 Manage Foreign Configuration 单击 Preview Foreign Configurati…
阅读更多...
60. 排列序列【回溯】

60. 排列序列【回溯】

文章目录 60. 排列序列解题思路Go代码 60. 排列序列 60. 排列序列 给出集合 [1,2,3,...,n]&#xff0c;其所有元素共有 n! 种排列。 按大小顺序列出所有排列情况&#xff0c;并一一标记&#xff0c;当 n 3 时, 所有排列如下&#xff1a; “123”“132”“213”“231”“31…
阅读更多...
最新文章
推荐文章

Copyright @ 2022~2023