STM32单片机DHT11数字温湿度监测

news2024/11/15 7:08:49

OLED液晶接口电路图

DHT11传感器接口电路图

STM32单片机DHT11数字温湿度监测程序源代码

#include "sys.h"

#define LED_RED PBout(12) //红色发光二极管控制管脚PB12

#define LED_GREEN PBout(13) //绿色发光二极管控制管脚PB13

#define LED_YELLOW PBout(14) //黄色发光二极管控制管脚PB14

#define LED_BLUE PBout(15) //蓝色发光二极管控制管脚PB15

#define DHT11_IO_IN() {GPIOA->CRL&=0XFFFFFFF0;GPIOA->CRL|=8<<0;}

#define DHT11_IO_OUT(){GPIOA->CRL&=0XFFFFFFF0;GPIOA->CRL|=3<<0;}

#define DHT11_DQ_OUTPAout(0) //数据端口 PA0

#define DHT11_DQ_IN PAin(0) //数据端口 PA0

#define OLED_RST_Clr() PCout(13)=0 //RST

#define OLED_RST_Set() PCout(13)=1 //RST

#define OLED_RS_Clr() PBout(4)=0 //DC

#define OLED_RS_Set() PBout(4)=1 //DC

#define OLED_SCLK_Clr() PCout(15)=0 //SCL

#define OLED_SCLK_Set() PCout(15)=1 //SCL

#define OLED_SDIN_Clr() PCout(14)=0 //SDA

#define OLED_SDIN_Set() PCout(14)=1 //SDA

#define OLED_CMD 0 //写命令

#define OLED_DATA 1 //写数据

void delay_init(u8 SYSCLK);

void delay_ms(u16 nms);

void delay_us(u32 nus);

void Led_Init(void); //发光二极管控制管脚初始化

void Red_Led_Light(void); //点亮红色发光二极管

void Green_Led_Light(void); //点亮绿色发光二极管

void Yellow_Led_Light(void); //点亮黄色发光二极管

void Blue_Led_Light(void); //点亮蓝色发光二极管

void Red_Led_Goout(void); //熄灭红色发光二极管

void Green_Led_Goout(void); //熄灭绿色发光二极管

void Yellow_Led_Goout(void); //熄灭黄色发光二极管

void Blue_Led_Goout(void); //熄灭蓝色发光二极管

u8 DHT11_Init(void); //初始化DHT11

u8 DHT11_Read_Data(u8 *temp,u8 *humi);//读取温湿度

u8 DHT11_Read_Byte(void); //读出一个字节

u8 DHT11_Read_Bit(void); //读出一个位

u8 DHT11_Check(void); //检测是否存在DHT11

void DHT11_Rst(void); //复位DHT11

void OLED_WR_Byte(u8 dat,u8 cmd);

void OLED_Display_On(void);

void OLED_Display_Off(void);

void OLED_Refresh_Gram(void);

void Oled_Init(void);

void OLED_Clear(void);

void OLED_DrawPoint(u8 x,u8 y,u8 t);

void OLED_ShowChar(u8 x,u8 y,u8 chr,u8size,u8 mode);

void OLED_ShowNumber(u8 x,u8 y,u32num,u8 len,u8 size);

void OLED_ShowString(u8 x,u8 y,const u8*p);

void Oled_Show(void);

static u8 fac_us=0; //us延时倍乘数

static u16 fac_ms=0; //ms延时倍乘数

u8 OLED_GRAM[128][8];

const unsigned charoled_asc2_1206[95][12]={

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"",0*/

{0x00,0x00,0x00,0x00,0x3F,0x40,0x00,0x00,0x00,0x00,0x00,0x00},/*"!",1*/

{0x00,0x00,0x30,0x00,0x40,0x00,0x30,0x00,0x40,0x00,0x00,0x00},/*""",2*/

{0x09,0x00,0x0B,0xC0,0x3D,0x00,0x0B,0xC0,0x3D,0x00,0x09,0x00},/*"#",3*/

{0x18,0xC0,0x24,0x40,0x7F,0xE0,0x22,0x40,0x31,0x80,0x00,0x00},/*"$",4*/

{0x18,0x00,0x24,0xC0,0x1B,0x00,0x0D,0x80,0x32,0x40,0x01,0x80},/*"%",5*/

{0x03,0x80,0x1C,0x40,0x27,0x40,0x1C,0x80,0x07,0x40,0x00,0x40},/*"&",6*/

{0x10,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"'",7*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x80,0x20,0x40,0x40,0x20},/*"(",8*/

{0x00,0x00,0x40,0x20,0x20,0x40,0x1F,0x80,0x00,0x00,0x00,0x00},/*")",9*/

{0x09,0x00,0x06,0x00,0x1F,0x80,0x06,0x00,0x09,0x00,0x00,0x00},/*"*",10*/

{0x04,0x00,0x04,0x00,0x3F,0x80,0x04,0x00,0x04,0x00,0x00,0x00},/*"+",11*/

{0x00,0x10,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*",",12*/

{0x04,0x00,0x04,0x00,0x04,0x00,0x04,0x00,0x04,0x00,0x00,0x00},/*"-",13*/

{0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*".",14*/

{0x00,0x20,0x01,0xC0,0x06,0x00,0x38,0x00,0x40,0x00,0x00,0x00},/*"/",15*/

{0x1F,0x80,0x20,0x40,0x20,0x40,0x20,0x40,0x1F,0x80,0x00,0x00},/*"0",16*/

{0x00,0x00,0x10,0x40,0x3F,0xC0,0x00,0x40,0x00,0x00,0x00,0x00},/*"1",17*/

{0x18,0xC0,0x21,0x40,0x22,0x40,0x24,0x40,0x18,0x40,0x00,0x00},/*"2",18*/

{0x10,0x80,0x20,0x40,0x24,0x40,0x24,0x40,0x1B,0x80,0x00,0x00},/*"3",19*/

{0x02,0x00,0x0D,0x00,0x11,0x00,0x3F,0xC0,0x01,0x40,0x00,0x00},/*"4",20*/

{0x3C,0x80,0x24,0x40,0x24,0x40,0x24,0x40,0x23,0x80,0x00,0x00},/*"5",21*/

{0x1F,0x80,0x24,0x40,0x24,0x40,0x34,0x40,0x03,0x80,0x00,0x00},/*"6",22*/

{0x30,0x00,0x20,0x00,0x27,0xC0,0x38,0x00,0x20,0x00,0x00,0x00},/*"7",23*/

{0x1B,0x80,0x24,0x40,0x24,0x40,0x24,0x40,0x1B,0x80,0x00,0x00},/*"8",24*/

{0x1C,0x00,0x22,0xC0,0x22,0x40,0x22,0x40,0x1F,0x80,0x00,0x00},/*"9",25*/

{0x00,0x00,0x00,0x00,0x08,0x40,0x00,0x00,0x00,0x00,0x00,0x00},/*":",26*/

{0x00,0x00,0x00,0x00,0x04,0x60,0x00,0x00,0x00,0x00,0x00,0x00},/*";",27*/

{0x00,0x00,0x04,0x00,0x0A,0x00,0x11,0x00,0x20,0x80,0x40,0x40},/*"<",28*/

{0x09,0x00,0x09,0x00,0x09,0x00,0x09,0x00,0x09,0x00,0x00,0x00},/*"=",29*/

{0x00,0x00,0x40,0x40,0x20,0x80,0x11,0x00,0x0A,0x00,0x04,0x00},/*">",30*/

{0x18,0x00,0x20,0x00,0x23,0x40,0x24,0x00,0x18,0x00,0x00,0x00},/*"?",31*/

{0x1F,0x80,0x20,0x40,0x27,0x40,0x29,0x40,0x1F,0x40,0x00,0x00},/*"@",32*/

{0x00,0x40,0x07,0xC0,0x39,0x00,0x0F,0x00,0x01,0xC0,0x00,0x40},/*"A",33*/

{0x20,0x40,0x3F,0xC0,0x24,0x40,0x24,0x40,0x1B,0x80,0x00,0x00},/*"B",34*/

{0x1F,0x80,0x20,0x40,0x20,0x40,0x20,0x40,0x30,0x80,0x00,0x00},/*"C",35*/

{0x20,0x40,0x3F,0xC0,0x20,0x40,0x20,0x40,0x1F,0x80,0x00,0x00},/*"D",36*/

{0x20,0x40,0x3F,0xC0,0x24,0x40,0x2E,0x40,0x30,0xC0,0x00,0x00},/*"E",37*/

{0x20,0x40,0x3F,0xC0,0x24,0x40,0x2E,0x00,0x30,0x00,0x00,0x00},/*"F",38*/

{0x0F,0x00,0x10,0x80,0x20,0x40,0x22,0x40,0x33,0x80,0x02,0x00},/*"G",39*/

{0x20,0x40,0x3F,0xC0,0x04,0x00,0x04,0x00,0x3F,0xC0,0x20,0x40},/*"H",40*/

{0x20,0x40,0x20,0x40,0x3F,0xC0,0x20,0x40,0x20,0x40,0x00,0x00},/*"I",41*/

{0x00,0x60,0x20,0x20,0x20,0x20,0x3F,0xC0,0x20,0x00,0x20,0x00},/*"J",42*/

{0x20,0x40,0x3F,0xC0,0x24,0x40,0x0B,0x00,0x30,0xC0,0x20,0x40},/*"K",43*/

{0x20,0x40,0x3F,0xC0,0x20,0x40,0x00,0x40,0x00,0x40,0x00,0xC0},/*"L",44*/

{0x3F,0xC0,0x3C,0x00,0x03,0xC0,0x3C,0x00,0x3F,0xC0,0x00,0x00},/*"M",45*/

{0x20,0x40,0x3F,0xC0,0x0C,0x40,0x23,0x00,0x3F,0xC0,0x20,0x00},/*"N",46*/

{0x1F,0x80,0x20,0x40,0x20,0x40,0x20,0x40,0x1F,0x80,0x00,0x00},/*"O",47*/

{0x20,0x40,0x3F,0xC0,0x24,0x40,0x24,0x00,0x18,0x00,0x00,0x00},/*"P",48*/

{0x1F,0x80,0x21,0x40,0x21,0x40,0x20,0xE0,0x1F,0xA0,0x00,0x00},/*"Q",49*/

{0x20,0x40,0x3F,0xC0,0x24,0x40,0x26,0x00,0x19,0xC0,0x00,0x40},/*"R",50*/

{0x18,0xC0,0x24,0x40,0x24,0x40,0x22,0x40,0x31,0x80,0x00,0x00},/*"S",51*/

{0x30,0x00,0x20,0x40,0x3F,0xC0,0x20,0x40,0x30,0x00,0x00,0x00},/*"T",52*/

{0x20,0x00,0x3F,0x80,0x00,0x40,0x00,0x40,0x3F,0x80,0x20,0x00},/*"U",53*/

{0x20,0x00,0x3E,0x00,0x01,0xC0,0x07,0x00,0x38,0x00,0x20,0x00},/*"V",54*/

{0x38,0x00,0x07,0xC0,0x3C,0x00,0x07,0xC0,0x38,0x00,0x00,0x00},/*"W",55*/

{0x20,0x40,0x39,0xC0,0x06,0x00,0x39,0xC0,0x20,0x40,0x00,0x00},/*"X",56*/

{0x20,0x00,0x38,0x40,0x07,0xC0,0x38,0x40,0x20,0x00,0x00,0x00},/*"Y",57*/

{0x30,0x40,0x21,0xC0,0x26,0x40,0x38,0x40,0x20,0xC0,0x00,0x00},/*"Z",58*/

{0x00,0x00,0x00,0x00,0x7F,0xE0,0x40,0x20,0x40,0x20,0x00,0x00},/*"[",59*/

{0x00,0x00,0x70,0x00,0x0C,0x00,0x03,0x80,0x00,0x40,0x00,0x00},/*"\",60*/

{0x00,0x00,0x40,0x20,0x40,0x20,0x7F,0xE0,0x00,0x00,0x00,0x00},/*"]",61*/

{0x00,0x00,0x20,0x00,0x40,0x00,0x20,0x00,0x00,0x00,0x00,0x00},/*"^",62*/

{0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10,0x00,0x10},/*"_",63*/

{0x00,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"`",64*/

{0x00,0x00,0x02,0x80,0x05,0x40,0x05,0x40,0x03,0xC0,0x00,0x40},/*"a",65*/

{0x20,0x00,0x3F,0xC0,0x04,0x40,0x04,0x40,0x03,0x80,0x00,0x00},/*"b",66*/

{0x00,0x00,0x03,0x80,0x04,0x40,0x04,0x40,0x06,0x40,0x00,0x00},/*"c",67*/

{0x00,0x00,0x03,0x80,0x04,0x40,0x24,0x40,0x3F,0xC0,0x00,0x40},/*"d",68*/

{0x00,0x00,0x03,0x80,0x05,0x40,0x05,0x40,0x03,0x40,0x00,0x00},/*"e",69*/

{0x00,0x00,0x04,0x40,0x1F,0xC0,0x24,0x40,0x24,0x40,0x20,0x00},/*"f",70*/

{0x00,0x00,0x02,0xE0,0x05,0x50,0x05,0x50,0x06,0x50,0x04,0x20},/*"g",71*/

{0x20,0x40,0x3F,0xC0,0x04,0x40,0x04,0x00,0x03,0xC0,0x00,0x40},/*"h",72*/

{0x00,0x00,0x04,0x40,0x27,0xC0,0x00,0x40,0x00,0x00,0x00,0x00},/*"i",73*/

{0x00,0x10,0x00,0x10,0x04,0x10,0x27,0xE0,0x00,0x00,0x00,0x00},/*"j",74*/

{0x20,0x40,0x3F,0xC0,0x01,0x40,0x07,0x00,0x04,0xC0,0x04,0x40},/*"k",75*/

{0x20,0x40,0x20,0x40,0x3F,0xC0,0x00,0x40,0x00,0x40,0x00,0x00},/*"l",76*/

{0x07,0xC0,0x04,0x00,0x07,0xC0,0x04,0x00,0x03,0xC0,0x00,0x00},/*"m",77*/

{0x04,0x40,0x07,0xC0,0x04,0x40,0x04,0x00,0x03,0xC0,0x00,0x40},/*"n",78*/

{0x00,0x00,0x03,0x80,0x04,0x40,0x04,0x40,0x03,0x80,0x00,0x00},/*"o",79*/

{0x04,0x10,0x07,0xF0,0x04,0x50,0x04,0x40,0x03,0x80,0x00,0x00},/*"p",80*/

{0x00,0x00,0x03,0x80,0x04,0x40,0x04,0x50,0x07,0xF0,0x00,0x10},/*"q",81*/

{0x04,0x40,0x07,0xC0,0x02,0x40,0x04,0x00,0x04,0x00,0x00,0x00},/*"r",82*/

{0x00,0x00,0x06,0x40,0x05,0x40,0x05,0x40,0x04,0xC0,0x00,0x00},/*"s",83*/

{0x00,0x00,0x04,0x00,0x1F,0x80,0x04,0x40,0x00,0x40,0x00,0x00},/*"t",84*/

{0x04,0x00,0x07,0x80,0x00,0x40,0x04,0x40,0x07,0xC0,0x00,0x40},/*"u",85*/

{0x04,0x00,0x07,0x00,0x04,0xC0,0x01,0x80,0x06,0x00,0x04,0x00},/*"v",86*/

{0x06,0x00,0x01,0xC0,0x07,0x00,0x01,0xC0,0x06,0x00,0x00,0x00},/*"w",87*/

{0x04,0x40,0x06,0xC0,0x01,0x00,0x06,0xC0,0x04,0x40,0x00,0x00},/*"x",88*/

{0x04,0x10,0x07,0x10,0x04,0xE0,0x01,0x80,0x06,0x00,0x04,0x00},/*"y",89*/

{0x00,0x00,0x04,0x40,0x05,0xC0,0x06,0x40,0x04,0x40,0x00,0x00},/*"z",90*/

{0x00,0x00,0x00,0x00,0x04,0x00,0x7B,0xE0,0x40,0x20,0x00,0x00},/*"{",91*/

{0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xF0,0x00,0x00,0x00,0x00},/*"|",92*/

{0x00,0x00,0x40,0x20,0x7B,0xE0,0x04,0x00,0x00,0x00,0x00,0x00},/*"}",93*/

{0x40,0x00,0x80,0x00,0x40,0x00,0x20,0x00,0x20,0x00,0x40,0x00},/*"~",94*/

};

const unsigned charoled_asc2_1608[95][16]={

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00},/*"",0*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xCC,0x00,0x0C,0x00,0x00,

0x00,0x00,0x00,0x00},/*"!",1*/

{0x00,0x00,0x08,0x00,0x30,0x00,0x60,0x00,0x08,0x00,0x30,0x00,

0x60,0x00,0x00,0x00},/*""",2*/

{0x02,0x20,0x03,0xFC,0x1E,0x20,0x02,0x20,0x03,0xFC,0x1E,0x20,

0x02,0x20,0x00,0x00},/*"#",3*/

{0x00,0x00,0x0E,0x18,0x11,0x04,0x3F,0xFF,0x10,0x84,0x0C,0x78,

0x00,0x00,0x00,0x00},/*"$",4*/

{0x0F,0x00,0x10,0x84,0x0F,0x38,0x00,0xC0,0x07,0x78,0x18,0x84,

0x00,0x78,0x00,0x00},/*"%",5*/

{0x00,0x78,0x0F,0x84,0x10,0xC4,0x11,0x24,0x0E,0x98,0x00,0xE4,

0x00,0x84,0x00,0x08},/*"&",6*/

{0x08,0x00,0x68,0x00,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00},/*"'",7*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xE0,0x18,0x18,0x20,0x04,

0x40,0x02,0x00,0x00},/*"(",8*/

{0x00,0x00,0x40,0x02,0x20,0x04,0x18,0x18,0x07,0xE0,0x00,0x00,

0x00,0x00,0x00,0x00},/*")",9*/

{0x02,0x40,0x02,0x40,0x01,0x80,0x0F,0xF0,0x01,0x80,0x02,0x40,

0x02,0x40,0x00,0x00},/*"*",10*/

{0x00,0x80,0x00,0x80,0x00,0x80,0x0F,0xF8,0x00,0x80,0x00,0x80,

0x00,0x80,0x00,0x00},/*"+",11*/

{0x00,0x01,0x00,0x0D,0x00,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00},/*",",12*/

{0x00,0x00,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,0x00,0x80,

0x00,0x80,0x00,0x80},/*"-",13*/

{0x00,0x00,0x00,0x0C,0x00,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00},/*".",14*/

{0x00,0x00,0x00,0x06,0x00,0x18,0x00,0x60,0x01,0x80,0x06,0x00,

0x18,0x00,0x20,0x00},/*"/",15*/

{0x00,0x00,0x07,0xF0,0x08,0x08,0x10,0x04,0x10,0x04,0x08,0x08,

0x07,0xF0,0x00,0x00},/*"0",16*/

{0x00,0x00,0x08,0x04,0x08,0x04,0x1F,0xFC,0x00,0x04,0x00,0x04,

0x00,0x00,0x00,0x00},/*"1",17*/

{0x00,0x00,0x0E,0x0C,0x10,0x14,0x10,0x24,0x10,0x44,0x11,0x84,

0x0E,0x0C,0x00,0x00},/*"2",18*/

{0x00,0x00,0x0C,0x18,0x10,0x04,0x11,0x04,0x11,0x04,0x12,0x88,

0x0C,0x70,0x00,0x00},/*"3",19*/

{0x00,0x00,0x00,0xE0,0x03,0x20,0x04,0x24,0x08,0x24,0x1F,0xFC,

0x00,0x24,0x00,0x00},/*"4",20*/

{0x00,0x00,0x1F,0x98,0x10,0x84,0x11,0x04,0x11,0x04,0x10,0x88,

0x10,0x70,0x00,0x00},/*"5",21*/

{0x00,0x00,0x07,0xF0,0x08,0x88,0x11,0x04,0x11,0x04,0x18,0x88,

0x00,0x70,0x00,0x00},/*"6",22*/

{0x00,0x00,0x1C,0x00,0x10,0x00,0x10,0xFC,0x13,0x00,0x1C,0x00,

0x10,0x00,0x00,0x00},/*"7",23*/

{0x00,0x00,0x0E,0x38,0x11,0x44,0x10,0x84,0x10,0x84,0x11,0x44,

0x0E,0x38,0x00,0x00},/*"8",24*/

{0x00,0x00,0x07,0x00,0x08,0x8C,0x10,0x44,0x10,0x44,0x08,0x88,

0x07,0xF0,0x00,0x00},/*"9",25*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x0C,0x03,0x0C,0x00,0x00,

0x00,0x00,0x00,0x00},/*":",26*/

{0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x06,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00},/*";",27*/

{0x00,0x00,0x00,0x80,0x01,0x40,0x02,0x20,0x04,0x10,0x08,0x08,

0x10,0x04,0x00,0x00},/*"<",28*/

{0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,0x02,0x20,

0x02,0x20,0x00,0x00},/*"=",29*/

{0x00,0x00,0x10,0x04,0x08,0x08,0x04,0x10,0x02,0x20,0x01,0x40,

0x00,0x80,0x00,0x00},/*">",30*/

{0x00,0x00,0x0E,0x00,0x12,0x00,0x10,0x0C,0x10,0x6C,0x10,0x80,

0x0F,0x00,0x00,0x00},/*"?",31*/

{0x03,0xE0,0x0C,0x18,0x13,0xE4,0x14,0x24,0x17,0xC4,0x08,0x28,

0x07,0xD0,0x00,0x00},/*"@",32*/

{0x00,0x04,0x00,0x3C,0x03,0xC4,0x1C,0x40,0x07,0x40,0x00,0xE4,

0x00,0x1C,0x00,0x04},/*"A",33*/

{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x04,0x11,0x04,0x0E,0x88,

0x00,0x70,0x00,0x00},/*"B",34*/

{0x03,0xE0,0x0C,0x18,0x10,0x04,0x10,0x04,0x10,0x04,0x10,0x08,

0x1C,0x10,0x00,0x00},/*"C",35*/

{0x10,0x04,0x1F,0xFC,0x10,0x04,0x10,0x04,0x10,0x04,0x08,0x08,

0x07,0xF0,0x00,0x00},/*"D",36*/

{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x04,0x17,0xC4,0x10,0x04,

0x08,0x18,0x00,0x00},/*"E",37*/

{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x00,0x17,0xC0,0x10,0x00,

0x08,0x00,0x00,0x00},/*"F",38*/

{0x03,0xE0,0x0C,0x18,0x10,0x04,0x10,0x04,0x10,0x44,0x1C,0x78,

0x00,0x40,0x00,0x00},/*"G",39*/

{0x10,0x04,0x1F,0xFC,0x10,0x84,0x00,0x80,0x00,0x80,0x10,0x84,

0x1F,0xFC,0x10,0x04},/*"H",40*/

{0x00,0x00,0x10,0x04,0x10,0x04,0x1F,0xFC,0x10,0x04,0x10,0x04,

0x00,0x00,0x00,0x00},/*"I",41*/

{0x00,0x03,0x00,0x01,0x10,0x01,0x10,0x01,0x1F,0xFE,0x10,0x00,

0x10,0x00,0x00,0x00},/*"J",42*/

{0x10,0x04,0x1F,0xFC,0x11,0x04,0x03,0x80,0x14,0x64,0x18,0x1C,

0x10,0x04,0x00,0x00},/*"K",43*/

{0x10,0x04,0x1F,0xFC,0x10,0x04,0x00,0x04,0x00,0x04,0x00,0x04,

0x00,0x0C,0x00,0x00},/*"L",44*/

{0x10,0x04,0x1F,0xFC,0x1F,0x00,0x00,0xFC,0x1F,0x00,0x1F,0xFC,

0x10,0x04,0x00,0x00},/*"M",45*/

{0x10,0x04,0x1F,0xFC,0x0C,0x04,0x03,0x00,0x00,0xE0,0x10,0x18,

0x1F,0xFC,0x10,0x00},/*"N",46*/

{0x07,0xF0,0x08,0x08,0x10,0x04,0x10,0x04,0x10,0x04,0x08,0x08,

0x07,0xF0,0x00,0x00},/*"O",47*/

{0x10,0x04,0x1F,0xFC,0x10,0x84,0x10,0x80,0x10,0x80,0x10,0x80,

0x0F,0x00,0x00,0x00},/*"P",48*/

{0x07,0xF0,0x08,0x18,0x10,0x24,0x10,0x24,0x10,0x1C,0x08,0x0A,

0x07,0xF2,0x00,0x00},/*"Q",49*/

{0x10,0x04,0x1F,0xFC,0x11,0x04,0x11,0x00,0x11,0xC0,0x11,0x30,

0x0E,0x0C,0x00,0x04},/*"R",50*/

{0x00,0x00,0x0E,0x1C,0x11,0x04,0x10,0x84,0x10,0x84,0x10,0x44,

0x1C,0x38,0x00,0x00},/*"S",51*/

{0x18,0x00,0x10,0x00,0x10,0x04,0x1F,0xFC,0x10,0x04,0x10,0x00,

0x18,0x00,0x00,0x00},/*"T",52*/

{0x10,0x00,0x1F,0xF8,0x10,0x04,0x00,0x04,0x00,0x04,0x10,0x04,

0x1F,0xF8,0x10,0x00},/*"U",53*/

{0x10,0x00,0x1E,0x00,0x11,0xE0,0x00,0x1C,0x00,0x70,0x13,0x80,

0x1C,0x00,0x10,0x00},/*"V",54*/

{0x1F,0xC0,0x10,0x3C,0x00,0xE0,0x1F,0x00,0x00,0xE0,0x10,0x3C,

0x1F,0xC0,0x00,0x00},/*"W",55*/

{0x10,0x04,0x18,0x0C,0x16,0x34,0x01,0xC0,0x01,0xC0,0x16,0x34,

0x18,0x0C,0x10,0x04},/*"X",56*/

{0x10,0x00,0x1C,0x00,0x13,0x04,0x00,0xFC,0x13,0x04,0x1C,0x00,

0x10,0x00,0x00,0x00},/*"Y",57*/

{0x08,0x04,0x10,0x1C,0x10,0x64,0x10,0x84,0x13,0x04,0x1C,0x04,

0x10,0x18,0x00,0x00},/*"Z",58*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFE,0x40,0x02,0x40,0x02,

0x40,0x02,0x00,0x00},/*"[",59*/

{0x00,0x00,0x30,0x00,0x0C,0x00,0x03,0x80,0x00,0x60,0x00,0x1C,

0x00,0x03,0x00,0x00},/*"\",60*/

{0x00,0x00,0x40,0x02,0x40,0x02,0x40,0x02,0x7F,0xFE,0x00,0x00,

0x00,0x00,0x00,0x00},/*"]",61*/

{0x00,0x00,0x00,0x00,0x20,0x00,0x40,0x00,0x40,0x00,0x40,0x00,

0x20,0x00,0x00,0x00},/*"^",62*/

{0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,

0x00,0x01,0x00,0x01},/*"_",63*/

{0x00,0x00,0x40,0x00,0x40,0x00,0x20,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00},/*"`",64*/

{0x00,0x00,0x00,0x98,0x01,0x24,0x01,0x44,0x01,0x44,0x01,0x44,

0x00,0xFC,0x00,0x04},/*"a",65*/

{0x10,0x00,0x1F,0xFC,0x00,0x88,0x01,0x04,0x01,0x04,0x00,0x88,

0x00,0x70,0x00,0x00},/*"b",66*/

{0x00,0x00,0x00,0x70,0x00,0x88,0x01,0x04,0x01,0x04,0x01,0x04,

0x00,0x88,0x00,0x00},/*"c",67*/

{0x00,0x00,0x00,0x70,0x00,0x88,0x01,0x04,0x01,0x04,0x11,0x08,

0x1F,0xFC,0x00,0x04},/*"d",68*/

{0x00,0x00,0x00,0xF8,0x01,0x44,0x01,0x44,0x01,0x44,0x01,0x44,

0x00,0xC8,0x00,0x00},/*"e",69*/

{0x00,0x00,0x01,0x04,0x01,0x04,0x0F,0xFC,0x11,0x04,0x11,0x04,

0x11,0x00,0x18,0x00},/*"f",70*/

{0x00,0x00,0x00,0xD6,0x01,0x29,0x01,0x29,0x01,0x29,0x01,0xC9,

0x01,0x06,0x00,0x00},/*"g",71*/

{0x10,0x04,0x1F,0xFC,0x00,0x84,0x01,0x00,0x01,0x00,0x01,0x04,

0x00,0xFC,0x00,0x04},/*"h",72*/

{0x00,0x00,0x01,0x04,0x19,0x04,0x19,0xFC,0x00,0x04,0x00,0x04,

0x00,0x00,0x00,0x00},/*"i",73*/

{0x00,0x00,0x00,0x03,0x00,0x01,0x01,0x01,0x19,0x01,0x19,0xFE,

0x00,0x00,0x00,0x00},/*"j",74*/

{0x10,0x04,0x1F,0xFC,0x00,0x24,0x00,0x40,0x01,0xB4,0x01,0x0C,

0x01,0x04,0x00,0x00},/*"k",75*/

{0x00,0x00,0x10,0x04,0x10,0x04,0x1F,0xFC,0x00,0x04,0x00,0x04,

0x00,0x00,0x00,0x00},/*"l",76*/

{0x01,0x04,0x01,0xFC,0x01,0x04,0x01,0x00,0x01,0xFC,0x01,0x04,

0x01,0x00,0x00,0xFC},/*"m",77*/

{0x01,0x04,0x01,0xFC,0x00,0x84,0x01,0x00,0x01,0x00,0x01,0x04,

0x00,0xFC,0x00,0x04},/*"n",78*/

{0x00,0x00,0x00,0xF8,0x01,0x04,0x01,0x04,0x01,0x04,0x01,0x04,

0x00,0xF8,0x00,0x00},/*"o",79*/

{0x01,0x01,0x01,0xFF,0x00,0x85,0x01,0x04,0x01,0x04,0x00,0x88,

0x00,0x70,0x00,0x00},/*"p",80*/

{0x00,0x00,0x00,0x70,0x00,0x88,0x01,0x04,0x01,0x04,0x01,0x05,

0x01,0xFF,0x00,0x01},/*"q",81*/

{0x01,0x04,0x01,0x04,0x01,0xFC,0x00,0x84,0x01,0x04,0x01,0x00,

0x01,0x80,0x00,0x00},/*"r",82*/

{0x00,0x00,0x00,0xCC,0x01,0x24,0x01,0x24,0x01,0x24,0x01,0x24,

0x01,0x98,0x00,0x00},/*"s",83*/

{0x00,0x00,0x01,0x00,0x01,0x00,0x07,0xF8,0x01,0x04,0x01,0x04,

0x00,0x00,0x00,0x00},/*"t",84*/

{0x01,0x00,0x01,0xF8,0x00,0x04,0x00,0x04,0x00,0x04,0x01,0x08,

0x01,0xFC,0x00,0x04},/*"u",85*/

{0x01,0x00,0x01,0x80,0x01,0x70,0x00,0x0C,0x00,0x10,0x01,0x60,

0x01,0x80,0x01,0x00},/*"v",86*/

{0x01,0xF0,0x01,0x0C,0x00,0x30,0x01,0xC0,0x00,0x30,0x01,0x0C,

0x01,0xF0,0x01,0x00},/*"w",87*/

{0x00,0x00,0x01,0x04,0x01,0x8C,0x00,0x74,0x01,0x70,0x01,0x8C,

0x01,0x04,0x00,0x00},/*"x",88*/

{0x01,0x01,0x01,0x81,0x01,0x71,0x00,0x0E,0x00,0x18,0x01,0x60,

0x01,0x80,0x01,0x00},/*"y",89*/

{0x00,0x00,0x01,0x84,0x01,0x0C,0x01,0x34,0x01,0x44,0x01,0x84,

0x01,0x0C,0x00,0x00},/*"z",90*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x3E,0xFC,

0x40,0x02,0x40,0x02},/*"{",91*/

{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,

0x00,0x00,0x00,0x00},/*"|",92*/

{0x00,0x00,0x40,0x02,0x40,0x02,0x3E,0xFC,0x01,0x00,0x00,0x00,

0x00,0x00,0x00,0x00},/*"}",93*/

{0x00,0x00,0x60,0x00,0x80,0x00,0x80,0x00,0x40,0x00,0x40,0x00,

0x20,0x00,0x20,0x00},/*"~",94*/

};

void delay_init(u8 SYSCLK)

{

SysTick->CTRL&=0xfffffffb; //bit2清空,选择外部时钟 HCLK/8

fac_us=SYSCLK/8;

fac_ms=(u16)fac_us*1000;

}

void delay_ms(u16 nms)

{

u32 temp;

SysTick->LOAD=(u32)nms*fac_ms; //时间加载(SysTick->LOAD为24bit)

SysTick->VAL =0x00; //清空计数器

SysTick->CTRL=0x01 ; //开始倒数

do{temp=SysTick->CTRL;}

while(temp&0x01&&!(temp&(1<<16))); //等待时间到达

SysTick->CTRL=0x00; //关闭计数器

SysTick->VAL =0X00; //清空计数器

}

void delay_us(u32 nus)

{

u32 temp;

SysTick->LOAD=nus*fac_us; //时间加载

SysTick->VAL=0x00; //清空计数器

SysTick->CTRL=0x01 ; //开始倒数

do{temp=SysTick->CTRL;}

while(temp&0x01&&!(temp&(1<<16)));//等待时间到达

SysTick->CTRL=0x00; //关闭计数器

SysTick->VAL =0X00; //清空计数器

}

void Led_Init(void)

{

RCC->APB2ENR|=1<<3; //使能PORTB接口时钟

GPIOB->CRH&=0XFFF0FFFF;

GPIOB->CRH|=0X00030000; //PB12推挽输出

GPIOB->ODR|=1<<12; //PB12输出高电平

GPIOB->CRH&=0XFF0FFFFF;

GPIOB->CRH|=0X00300000; //PB13推挽输出

GPIOB->ODR|=1<<13; //PB13输出高电平

GPIOB->CRH&=0XF0FFFFFF;

GPIOB->CRH|=0X03000000; //PB14推挽输出

GPIOB->ODR|=1<<14; //PB14输出高电平

GPIOB->CRH&=0X0FFFFFFF;

GPIOB->CRH|=0X30000000; //PB15推挽输出

GPIOB->ODR|=1<<15; //PB15输出高电平

}

void Red_Led_Light(void){LED_RED=0;}

void Red_Led_Goout(void){LED_RED=1;}

voidGreen_Led_Light(void){LED_GREEN=0;}

voidGreen_Led_Goout(void){LED_GREEN=1;}

void Yellow_Led_Light(void){LED_YELLOW=0;}

voidYellow_Led_Goout(void){LED_YELLOW=1;}

void Blue_Led_Light(void){LED_BLUE=0;}

void Blue_Led_Goout(void){LED_BLUE=1;}

void DHT11_Rst(void)

{

DHT11_IO_OUT(); //SET OUTPUT

DHT11_DQ_OUT=0; //拉低DQ

delay_ms(20); //拉低至少18ms

DHT11_DQ_OUT=1; //DQ=1

delay_us(30); //主机拉高20~40us

}

u8 DHT11_Check(void)

{

u8 retry=0;

DHT11_IO_IN();

while(DHT11_DQ_IN&&retry<100) //DHT11会拉低40~80us

{retry++;delay_us(1);};

if(retry>=100)return 1;

else retry=0;

while(!DHT11_DQ_IN&&retry<100) //DHT11拉低后会再次拉高40~80us

{retry++;delay_us(1);};

if(retry>=100)return 1;

return 0;

}

u8 DHT11_Read_Bit(void)

{

u8 retry=0;

while(DHT11_DQ_IN&&retry<100) //等待变为低电平

{retry++;delay_us(1);}

retry=0;

while(!DHT11_DQ_IN&&retry<100) //等待变高电平

{retry++;delay_us(1);}

delay_us(40); //等待40us

if(DHT11_DQ_IN)return 1;

else return 0;

}

u8 DHT11_Read_Byte(void)

{

u8 i,dat;

dat=0;

for(i=0;i<8;i++){dat<<=1;dat|=DHT11_Read_Bit();}

return dat;

}

u8 DHT11_Read_Data(u8 *temp,u8*humi)

{

u8 buf[5];u8 i;

DHT11_Rst();

if(DHT11_Check()==0)

{

for(i=0;i<5;i++){buf[i]=DHT11_Read_Byte();} //读取40位数据

if((buf[0]+buf[1]+buf[2]+buf[3])==buf[4]){*humi=buf[0];*temp=buf[2];}

}

elsereturn 1;

return 0;

}

u8 DHT11_Init(void)

{

RCC->APB2ENR|=1<<2; //使能PORTA口时钟

GPIOA->CRL&=0XFFFFFFF0; //PORTA.11 推挽输出

GPIOA->CRL|=0X00000003;

GPIOA->ODR|=1<<0; //输出1

DHT11_Rst();

return DHT11_Check();

}

void OLED_Refresh_Gram(void)

{

u8 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<128;n++){OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA);}

}

}

void OLED_WR_Byte(u8 dat,u8 cmd)

{

u8 i;

if(cmd){OLED_RS_Set();}

else{OLED_RS_Clr();}

for(i=0;i<8;i++)

{

OLED_SCLK_Clr();

if(dat&0x80){OLED_SDIN_Set();}

else{OLED_SDIN_Clr();}

OLED_SCLK_Set();

dat<<=1;

}

OLED_RS_Set();

}

void OLED_Display_On(void)

{

OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令

OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON

OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON

}

void OLED_Display_Off(void)

{

OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC命令

OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF

OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF

}

void OLED_Clear(void)

{

u8 i,n;

for(i=0;i<8;i++)for(n=0;n<128;n++)OLED_GRAM[n][i]=0X00;

OLED_Refresh_Gram(); //更新显示

}

void OLED_DrawPoint(u8 x,u8 y,u8 t)

{

u8 pos,bx,temp=0;

if(x>127||y>63)return; //超出范围了.

pos=7-y/8;bx=y%8;

temp=1<<(7-bx);

if(t)OLED_GRAM[x][pos]|=temp;

else OLED_GRAM[x][pos]&=~temp;

}

void OLED_ShowChar(u8 x,u8 y,u8 chr,u8size,u8 mode)

{

u8 temp,t,t1;u8 y0=y;chr=chr-' ';

for(t=0;t<size;t++)

{

if(size==12){temp=oled_asc2_1206[chr][t];} //调用1206字体

else{temp=oled_asc2_1608[chr][t];} //调用1608字体

for(t1=0;t1<8;t1++)

{

if(temp&0x80){OLED_DrawPoint(x,y,mode);}

else{OLED_DrawPoint(x,y,!mode);}

temp<<=1;y++;

if((y-y0)==size){y=y0;x++;break;}

}

}

}

u32 oled_pow(u8 m,u8 n)

{

u32 result=1;

while(n--)result*=m;

return result;

}

void OLED_ShowNumber(u8 x,u8 y,u32num,u8 len,u8 size)

{

u8 t,temp;u8 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+(size/2)*t,y,' ',size,1);continue;}

else{enshow=1;}

}

OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1);

}

}

void OLED_ShowString(u8 x,u8 y,const u8*p)

{

#define MAX_CHAR_POSX 122

#define MAX_CHAR_POSY 58

while(*p!='\0')

{

if(x>MAX_CHAR_POSX){x=0;y+=16;}

if(y>MAX_CHAR_POSY){y=x=0;OLED_Clear();}

OLED_ShowChar(x,y,*p,12,1);

x+=8;p++;

}

}

void Oled_Init(void)

{

RCC->APB2ENR|=1<<3; //使能PORTB时钟

GPIOB->CRL&=0XFFF0FFFF;

GPIOB->CRL|=0X00020000; //PB4 推挽输出

RCC->APB2ENR|=1<<4; //使能PORTC时钟

RCC->APB2ENR|=1<<0; //使能AFIO时钟

GPIOC->CRH&=0X000FFFFF; //PC13,14,15设置成输出 2MHz 推挽输出

GPIOC->CRH|=0X22200000;

PWR->CR|=1<<8; //取消备份区写保护

RCC->BDCR&=0xFFFFFFFE; //外部低俗振荡器关闭 PC14，PC15成为普通IO

BKP->CR&=0xFFFFFFFE; //侵入检测TAMPER引脚作为通用IO口使用

PWR->CR&=0xFFFFFEFF; //备份区写保护

OLED_RST_Clr();

delay_ms(100);

OLED_RST_Set();

OLED_WR_Byte(0xAE,OLED_CMD); //关闭显示

OLED_WR_Byte(0xD5,OLED_CMD); //设置时钟分频因子,震荡频率

OLED_WR_Byte(80,OLED_CMD); //[3:0],分频因子;[7:4],震荡频率

OLED_WR_Byte(0xA8,OLED_CMD); //设置驱动路数

OLED_WR_Byte(0X3F,OLED_CMD); //默认0X3F(1/64)

OLED_WR_Byte(0xD3,OLED_CMD); //设置显示偏移

OLED_WR_Byte(0X00,OLED_CMD); //默认为0

OLED_WR_Byte(0x40,OLED_CMD); //设置显示开始行 [5:0],行数

OLED_WR_Byte(0x8D,OLED_CMD); //电荷泵设置

OLED_WR_Byte(0x14,OLED_CMD); //bit2，开启/关闭

OLED_WR_Byte(0x20,OLED_CMD); //设置内存地址模式

OLED_WR_Byte(0x02,OLED_CMD);

//[1:0],00，列地址模式;01，行地址模式;10,页地址模式;默认10;

OLED_WR_Byte(0xA1,OLED_CMD); //段重定义设置,bit0:0,0->0;1,0->127;

OLED_WR_Byte(0xC0,OLED_CMD);

//设置COM扫描方向;bit3:0,普通模式;1,重定义模式COM[N-1]->COM0;N:驱动路数

OLED_WR_Byte(0xDA,OLED_CMD); //设置COM硬件引脚配置

OLED_WR_Byte(0x12,OLED_CMD); //[5:4]配置

OLED_WR_Byte(0x81,OLED_CMD); //对比度设置

OLED_WR_Byte(0xEF,OLED_CMD); //1~255;默认0X7F (亮度设置,越大越亮)

OLED_WR_Byte(0xD9,OLED_CMD); //设置预充电周期

OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2;

OLED_WR_Byte(0xDB,OLED_CMD); //设置VCOMH 电压倍率

OLED_WR_Byte(0x30,OLED_CMD);

//[6:4]000,0.65*vcc;001,0.77*vcc;011,0.83*vcc;

OLED_WR_Byte(0xA4,OLED_CMD);

//全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏)

OLED_WR_Byte(0xA6,OLED_CMD); //设置显示方式;bit0:1,反相显示;0,正常显示

OLED_WR_Byte(0xAF,OLED_CMD); //开启显示

OLED_Clear();

}

void Oled_Show(void)

{

OLED_ShowString(0,0,"****************");

OLED_ShowString(22,20,"DHT11--TEST");

OLED_ShowString(30,30,"T: 'C");

OLED_ShowString(30,40,"H: %");

OLED_ShowString(0,50,"****************");

OLED_Refresh_Gram();

}

int main(void)

{

u8 t;u8 temperature;u8 humidity;

Stm32_Clock_Init(9); //系统时钟设置

delay_init(72); //延时初始化

JTAG_Set(JTAG_SWD_DISABLE); //关闭JTAG接口

JTAG_Set(SWD_ENABLE); //打开SWD接口

Oled_Init();

Led_Init(); //LED初始化

while(DHT11_Init()) //初始化DHT11

{delay_ms(1000);LED_RED = !LED_RED;} //DS0闪烁

Oled_Show();

while(1)

{

if(t%10==0)

{

DHT11_Read_Data(&temperature,&humidity);

OLED_ShowNumber(55,30,temperature,2,12);

OLED_ShowNumber(55,40,humidity,2,12);

OLED_Refresh_Gram();

}

delay_ms(10);t++;

if(t==20)

{t=0;LED_RED=!LED_RED;}

}

}

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