STM32项目分享：智能家居(机智云)升级版

项目成品图片：

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项目简介

1.功能详解

STM32智能家居(机智云)升级版

功能如下：

检测功能：监测环境温湿度、烟雾浓度、一氧化碳、空气质量、光照强度、大气压强

显示功能：将检测到的数据显示在OLED上

控制功能：系统可以控制LED灯、步进电机（窗户）

手动模式：机智云APP远程控制LED灯和步进电机。

自动模式：系统检测到烟雾浓度/一氧化碳/空气质量超出阈值时、蜂鸣报警并开窗通风；光线低于阈值时，自动开启LED灯

阈值调节：按键调节系统阈值

手机APP：通过ESP8266 WIFI模块连接网络，接入机智云服务器，实现数据上报和控制下发

2.材料清单

STM32F103C8T6单片机

OLED 屏幕

DHT11温湿度传感器

光敏电阻

MQ-2烟雾传感器

MQ-7一氧化碳传感器

MQ-135空气质量传感器

ESP8266-01S(WIFI模块)

步进电机

有源蜂鸣器

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原理图设计

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PCB硬件设计

PCB图

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程序设计

#include"stm32f10x.h" // Device header#include"oled.h"#include"adcx.h"#include"bmp280.h"#include"sensormodules.h"#include"dht11.h"#include"key.h"#include"tim2.h"#include"tim3.h"#include"flash.h"#include"motor.h"#include"led.h"#include"usart.h"#include"iwdg.h"
SensorModules sensorData;//声明传感器模块的结构体变量SensorThresholdValue Sensorthreshold;//声明传感器阈值结构体变量
#defineKEY_Long111
#defineKEY_11#defineKEY_22#defineKEY_33#defineKEY_44
#defineFLASH_START_ADDR0x0801f000//写入的起始地址
uint8_tmotorFlag =0;uint8_toledPages =1;//系统显示页面uint8_tmodel;//系统模式
typedefenum{DISPLAY_PAGE1 =1,DISPLAY_PAGE2,SETTINGS_PAGE} OLED_PAGES;
/** * @brief 显示菜单1的固定内容 * @param 无 * @retval 无 */voidOLED_Menu1(void){//显示“温度： C”OLED_ShowChinese(1,1,48);OLED_ShowChinese(1,2,49);OLED_ShowChar(1,5,':');OLED_ShowChar(1,8,'C');
//显示“湿度: %”OLED_ShowChinese(1,5,50);OLED_ShowChinese(1,6,51);OLED_ShowChar(1,13,':');OLED_ShowChar(1,16,'%');
//显示”光照强度： Lux“OLED_ShowChinese(2,1,8);OLED_ShowChinese(2,2,9);OLED_ShowChinese(2,3,10);OLED_ShowChinese(2,4,11);OLED_ShowChar(2,9,':');OLED_ShowString(2,14,"Lux");
//显示“大气压强： ”OLED_ShowChinese(3,1,12);OLED_ShowChinese(3,2,13);OLED_ShowChinese(3,3,14);OLED_ShowChinese(3,4,15);OLED_ShowChar(3,9,':');OLED_ShowString(3,14,"hPa");
//显示“系统模式：”OLED_ShowChinese(4,1,28);OLED_ShowChinese(4,2,29);OLED_ShowChinese(4,3,30);OLED_ShowChinese(4,4,31);OLED_ShowChar(4,9,':');}
/** * @brief 显示菜单2的固定内容 * @param 无 * @retval 无 */voidOLED_Menu2(void){//显示“烟雾浓度： ppm”OLED_ShowChinese(1,1,20);OLED_ShowChinese(1,2,21);OLED_ShowChinese(1,3,22);OLED_ShowChinese(1,4,23);OLED_ShowChar(1,9,':');OLED_ShowString(1,13,"ppm");
//显示“一氧化碳： ppm”OLED_ShowChinese(2,1,16);OLED_ShowChinese(2,2,17);OLED_ShowChinese(2,3,18);OLED_ShowChinese(2,4,19);OLED_ShowChar(2,9,':');OLED_ShowString(2,13,"ppm");
//显示“空气质量： ppm”OLED_ShowChinese(3,1,24);OLED_ShowChinese(3,2,25);OLED_ShowChinese(3,3,26);OLED_ShowChinese(3,4,27);OLED_ShowChar(3,9,':');OLED_ShowString(3,13,"ppm");}
/** * @brief 显示菜单1的传感器数据 * @param 无 * @retval 无 */voidSensorDataDisplay1(void){//显示温度数据OLED_ShowNum(1,6, sensorData.temp,2);
//显示湿度数据OLED_ShowNum(1,14, sensorData.humi,2);
//显示光照强度数据OLED_ShowNum(2,10, sensorData.lux,4);
//显示大气压强数据OLED_ShowNum(3,10,1020,4);

//显示系统状态数据if(!model){OLED_ShowChinese(4,6,36);OLED_ShowChinese(4,7,37);}else{OLED_ShowChinese(4,6,32);OLED_ShowChinese(4,7,33);}}
/** * @brief 显示菜单2的传感器数据 * @param 无 * @retval 无 */voidSensorDataDisplay2(void){
//显示烟雾浓度数据OLED_ShowNum(1,10, sensorData.smoke,3);
//显示一氧化碳数据OLED_ShowNum(2,10, sensorData.CO,3);
//显示空气质量数据OLED_ShowNum(3,10, sensorData.AQI,3);}
/** * @brief 显示系统阈值设置界面1 * @param 无 * @retval 无 */voidOLED_SetInterfacevoid(void){//显示“光照阈值”OLED_ShowChinese(1,2,8);OLED_ShowChinese(1,3,9);OLED_ShowChinese(1,4,42);OLED_ShowChinese(1,5,43);OLED_ShowChar(1,11,':');
//显示“烟雾阈值”OLED_ShowChinese(2,2,20);OLED_ShowChinese(2,3,21);OLED_ShowChinese(2,4,42);OLED_ShowChinese(2,5,43);OLED_ShowChar(2,11,':');
//显示“一氧化碳阈值”OLED_ShowString(3,3,"CO");OLED_ShowChinese(3,4,42);OLED_ShowChinese(3,5,43);OLED_ShowChar(3,11,':');
//显示“空气质量阈值”OLED_ShowString(4,3,"AQI");OLED_ShowChinese(4,4,42);OLED_ShowChinese(4,5,43);OLED_ShowChar(4,11,':');
//显示光照阈值数值OLED_ShowNum(1,12, Sensorthreshold.luxValue,4);
//显示烟雾阈值数值OLED_ShowNum(2,12, Sensorthreshold.smokeValue,3);
//显示一氧化碳阈值数值OLED_ShowNum(3,12, Sensorthreshold.COValue,3);
//显示空气质量阈值数值OLED_ShowNum(4,12, Sensorthreshold.AQIValue,3);}
/** * @brief 记录阈值界面下按KEY1的次数 * @param 无 * @retval 返回次数 */uint8_tSetSelection(void){staticuint8_tcount =1;if(KeyNum == KEY_1){KeyNum =0;count++;if(count >4){count =1;}}returncount;}
/** * @brief 显示阈值界面的选择符号 * @param num 为显示的位置 * @retval 无 */voidOLED_Option(uint8_tnum){switch(num){case1:OLED_ShowChar(1,1,'>');OLED_ShowChar(2,1,' ');OLED_ShowChar(3,1,' ');OLED_ShowChar(4,1,' ');break;case2:OLED_ShowChar(1,1,' ');OLED_ShowChar(2,1,'>');OLED_ShowChar(3,1,' ');OLED_ShowChar(4,1,' ');break;case3:OLED_ShowChar(1,1,' ');OLED_ShowChar(2,1,' ');OLED_ShowChar(3,1,'>');OLED_ShowChar(4,1,' ');break;case4:OLED_ShowChar(1,1,' ');OLED_ShowChar(2,1,' ');OLED_ShowChar(3,1,' ');OLED_ShowChar(4,1,'>');break;default:break;}}
/** * @brief 对阈值界面的传感器阈值进行修改 * @param num 为当前用户需要更改的传感器阈值位置 * @retval 无 */voidThresholdModification(uint8_tnum){switch(num){case1:if(KeyNum == KEY_3){KeyNum =0;Sensorthreshold.luxValue +=10;if(Sensorthreshold.luxValue >2000){Sensorthreshold.luxValue =0;}}elseif(KeyNum == KEY_4){KeyNum =0;Sensorthreshold.luxValue -=10;if(Sensorthreshold.luxValue >2000){Sensorthreshold.luxValue =2000;}}break;
case2:if(KeyNum == KEY_3){KeyNum =0;Sensorthreshold.smokeValue +=10;if(Sensorthreshold.smokeValue >500){Sensorthreshold.smokeValue =0;}}elseif(KeyNum == KEY_4){KeyNum =0;Sensorthreshold.smokeValue -=10;if(Sensorthreshold.smokeValue >500){Sensorthreshold.smokeValue =500;}}break;case3:if(KeyNum == KEY_3){KeyNum =0;Sensorthreshold.COValue +=10;if(Sensorthreshold.COValue >500){Sensorthreshold.COValue =0;}}elseif(KeyNum == KEY_4){KeyNum =0;Sensorthreshold.COValue -=10;if(Sensorthreshold.COValue >500){Sensorthreshold.COValue =500;}}break;case4:if(KeyNum == KEY_3){KeyNum =0;Sensorthreshold.AQIValue +=10;if(Sensorthreshold.AQIValue >500){Sensorthreshold.AQIValue =0;}}elseif(KeyNum == KEY_4){KeyNum =0;Sensorthreshold.AQIValue -=10;if(Sensorthreshold.AQIValue >500){Sensorthreshold.AQIValue =500;}}break;default:break;}}
/** * @brief 根据标志位控制步进电机的运行 * @param 无 * @retval 无 */voidMotorOperation(void){if(motorFlag ==1){MOTOR_Direction_Angle(1,0,90,1);MOTOR_STOP();motorFlag =0;}elseif(motorFlag ==2){MOTOR_Direction_Angle(0,0,90,1);MOTOR_STOP();motorFlag =0;}
}
/** * @brief 传感器数据扫描 * @param 无 * @retval 无 */voidSensorScan(void){DHT11_Read_Data(&sensorData.humi, &sensorData.temp);Get_Average_LDR_LUX(&sensorData.lux);Get_Average_MQ2_PPM(&sensorData.smoke);Get_Average_MQ7_PPM(&sensorData.CO);Get_Average_MQ135_PPM(&sensorData.AQI);sensorData.hPa = (uint32_t)BMP280_Get_Pressure();}

intmain(void){ADCX_Init(); Timer2_Init(9,14398);Uart2_Init(9600);Uart1_Init(115200);IWDG_Init();
OLED_Init();Bmp_Init();DHT11_Init();Key_Init();MOTOR_Init();LED_Init();Buzzer_Init();
Sensorthreshold.luxValue =FLASH_R(FLASH_START_ADDR);//从指定页的地址读FLASHSensorthreshold.smokeValue =FLASH_R(FLASH_START_ADDR+2);//从指定页的地址读FLASHSensorthreshold.COValue =FLASH_R(FLASH_START_ADDR+4);//从指定页的地址读FLASHSensorthreshold.AQIValue =FLASH_R(FLASH_START_ADDR+6);//从指定页的地址读FLASH
GENERAL_TIM_Init();userInit();//完成机智云初始赋值gizwitsInit();//开辟一个环形缓冲区while(1){
IWDG_ReloadCounter();//使能重装载寄存器计数SensorScan();//获取传感器数据

switch(oledPages){caseDISPLAY_PAGE1:OLED_Menu1();//显示主页面1固定信息SensorDataDisplay1();//显示传感器1数据MotorOperation();
/*按键按下时进入主页面2*/if(KeyNum == KEY_2){KeyNum =0;oledPages = DISPLAY_PAGE2;OLED_Clear();}
/*按键按下时切换模式*/if(KeyNum == KEY_1){KeyNum =0;
model = !model;if(!model){LED_OFF();Buzzer_OFF();}}
/*按键按下时进入阈值设计界面*/if(KeyNum == KEY_Long1){KeyNum =0;oledPages = SETTINGS_PAGE;OLED_Clear();}break;
caseDISPLAY_PAGE2:OLED_Menu2();SensorDataDisplay2();MotorOperation();
/*按键按下时进入主页面2*/if(KeyNum == KEY_2){KeyNum =0;oledPages = DISPLAY_PAGE1;OLED_Clear();}break;
caseSETTINGS_PAGE:OLED_SetInterfacevoid();//显示阈值设置界面的固定内容OLED_Option(SetSelection());//实现阈值设置页面的选择功能ThresholdModification(SetSelection());//实现阈值调节功能
//判断是否退出阈值设置界面if(KeyNum == KEY_2){KeyNum =0;oledPages = DISPLAY_PAGE1;//跳转到主界面OLED_Clear();//清屏
//存储修改的传感器阈值至flash内FLASH_W(FLASH_START_ADDR, Sensorthreshold.luxValue, Sensorthreshold.smokeValue,Sensorthreshold.COValue, Sensorthreshold.AQIValue);}break;default:break;}
userHandle();//更新机智云数据点变量存储的值gizwitsHandle((dataPoint_t *)¤tDataPoint);//数据上传至机智云}}

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实验效果