🤞🤞大家好，这里是5132单片机毕设设计项目分享，今天给大家分享的是学习环境控制。
设备的详细功能见网盘中的文章《21、基于STM32的学习环境控制系统设计》：
链接：https://pan.baidu.com/s/1uWSZX2zbZwy9sYwwnvyktQ?pwd=5132
提取码：5132
目录
1、系统功能
2、演示视频和实物
3、系统设计框图
4、软件设计流程图
5、原理图
6、主程序
7、总结
1、系统功能
本次的项目是智能学习环境自动调节系统。
1、元器件采用了STM32F103C8T6作为主控，
2、光敏电阻用来检测环境的光照强度，声音传感器模块用来检测环境的噪声。
3、LED灯用来模拟台灯，通过PWM控制实现亮度的调节。
4、超声波传感器用来检测坐姿。
5、语音识别模块用来识别用户的指令，实现语音控制。
6、hc-05蓝牙模块实现在家远程控制。
7、按键模块实现模式控制和亮度调节。
8、蜂鸣器报警模块，当环境噪声大于设定阈值蜂鸣器报警。
9、OLED液晶显示屏用来显示传感器数据。
控制模式有：手动控制，语音控制，蓝牙控制，自动控制。
2、演示视频和实物
基于STM32的智能学习环境设计(版本1)
3、系统设计框图
4、软件设计流程图
5、原理图
6、主程序
#include "sys.h" //有定制和购买的，可以联系VX：lwfw123456789
#include "delay.h"
#include "usart.h"
#include "led.h"
#include "timer.h"
/***********************************************************************************************
同学好！我们是5132单片机设计，定制单片机设计，实物和说明书均可定制，欢迎大家咨询。VX：lwfw123456789
其他项目演示视频和说明请大家移步哔哩哔哩、CSDN和公众号等。
哔哩哔哩：5132单片机设计
CSDN： 5132单片机设计
公众号： 5132单片机设计
抖音 ： 5132单片机设计
小红书： 5132单片机设计
咸鱼： 5132单片机设计
************************************************************************************************/
u8 hour_h, min_m, sec_s, msec_ms; //秒表---时、分、秒、毫秒
u8 state, state2, state2_1, state3, state4; //按键状态标志
u8 t = 0; //传感器读取时间间隔
u8 flag; //远程控制标志
u8 flag2 = 0, flag1, flag3;
uint16_t RTC_Time[] = {0, 0, 0};
uint16_t RTC_Time1[] = {7, 0, 0}; //定时时间---开
uint16_t RTC_Time2[] = {19, 0, 0}; //定时时间---关
u8 T_state, T_state1, qingping = 1, state_dingshi_yu_guan, state_dingshi_yu_kai, state_dingshi_yu_switch, state3_1;
uint32_t GuangYu1 = 10,GuangYu2 = 30,GuangYu3 = 50,GuangYu4 = 70;
extern void TimeSet(void);
extern void TimeRead(void);
extern void DingShiMoShi(void);
extern void YuYin(void);
extern void ChuangGan(void);
extern void msec_time(void);
extern void msec_Calcu(void);void MY_Gizwits_Init(void) //机智云初始化函数
{TIM3_Int_Init(9, 7199); //1MS系统定时usart3_init(9600);//WIFI初始化memset((uint8_t *)¤tDataPoint, 0, sizeof(dataPoint_t)); //设备状态结构体初始化gizwitsInit();//环形缓冲区初始化gizwitsSetMode(2); //设置模式userInit();
}void shoudong()
{TimeRead();if (KeyNum == 2) //按键PB0控制窗户开关{delay_ms(20);if (KeyNum == 2){state2++;if (state2 > 5){state2 = 0;}}}switch (state2){case 0:PWM_SetCompare1(0);break;case 1:PWM_SetCompare1(10);break;case 2:PWM_SetCompare1(30);break;case 3:PWM_SetCompare1(50);break;case 4:PWM_SetCompare1(70);break;default:break;}
}
void zhidong()
{switch (state4){case 1:PWM_SetCompare1(0);break;case 2:PWM_SetCompare1(33);break;case 3:PWM_SetCompare1(66);break;case 4:break; default:break;}
}int main(void)
{NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级uart_init(9600); //串口初始化为9600delay_init(); //延时函数初始化Buzzer_Init(); //下面为外设初始化OLED_Init();Key_Init();AD_Init();MyRTC_Init();PWM_Init();MY_Gizwits_Init(); //机智云初始化Serial2_Init(); //串口2初始化(语音识别模块)TIM4_Int_Init(99, 7199);while (1){userHandle(); //数据上传gizwitsHandle((dataPoint_t *)¤tDataPoint); //后台处理，必须放在while里if (t % 10 == 0){AD0 = AD_GetValue(ADC_Channel_1); //光照传感器 PA0if (AD0 > 4000)AD0 = 4000;bufe[0] = (u8)(100 - (AD0 / 40));if(bufe[0]<GuangYu1) state4=4; else if(bufe[0]<GuangYu2) state4=3;else if(bufe[0]<GuangYu3) state4=2; else if(bufe[0]<GuangYu4) state4=1;}t++;KeyNum = Key_GetNum();if (KeyNum == 1){qingping = 0;state2 = 0,delay_ms(20);if (KeyNum == 1){state++;if (state > 3){state = 0;}}}if (state == 0) //远程模式{if (qingping == 0){OLED_Clear();qingping = 1;}TimeRead();ChuangGan();OLED_ShowChinese(1, 7, 49);OLED_ShowChinese(1, 8, 50);}if (state == 2) //自动模式{OLED_ShowChinese(1, 7, 51);OLED_ShowChinese(1, 8, 52);TimeRead();zhidong();ChuangGan();msec_time();}if (state == 1) //手动模式{OLED_ShowChinese(1, 7, 18);OLED_ShowChinese(1, 8, 52);ChuangGan();shoudong();}if (state == 3) //语音模式{if (qingping == 0){OLED_Clear();qingping = 1;}OLED_ShowChinese(1, 7, 57);OLED_ShowChinese(1, 8, 58);TimeRead();ChuangGan();YuYin();}}
}void TimeSet() //设置时间
{if (KeyNum == 2) //PB10{delay_ms(20);if (KeyNum == 2){T_state++;if (T_state > 2){T_state = 0;}}}if (T_state == 0) //时间显示模式{MyRTC_ReadTime();OLED_ShowNum(1, 5, MyRTC_Time[3], 2); //时OLED_ShowString(1, 7, ":");OLED_ShowNum(1, 8, MyRTC_Time[4], 2); //分OLED_ShowString(1, 10, ":");OLED_ShowNum(1, 11, MyRTC_Time[5], 2); //秒RTC_Time[0] = MyRTC_Time[3];RTC_Time[1] = MyRTC_Time[4];RTC_Time[2] = MyRTC_Time[5];}if (T_state == 1) //修改时间{if (KeyNum == 5){delay_ms(20);if (KeyNum == 5){T_state1++;if (T_state1 > 2){T_state1 = 0;}}}if (T_state1 == 0) //修改时{if (KeyNum == 4)RTC_Time[0]++;if (KeyNum == 3)RTC_Time[0]--;if (RTC_Time[0] > 23 & RTC_Time[0] < 100)RTC_Time[0] = 0;if (RTC_Time[0] > 100)RTC_Time[0] = 23;OLED_ShowNum(1, 5, RTC_Time[0], 2); //时}if (T_state1 == 1) //修改分{if (KeyNum == 4)RTC_Time[1]++;if (KeyNum == 3)RTC_Time[1]--;if (RTC_Time[1] > 59 & RTC_Time[1] < 100)RTC_Time[1] = 0;if (RTC_Time[1] > 100)RTC_Time[1] = 59;OLED_ShowNum(1, 8, RTC_Time[1], 2); //时}if (T_state1 == 2) //修改秒{if (KeyNum == 4)RTC_Time[2]++;if (KeyNum == 3)RTC_Time[2]--;if (RTC_Time[2] > 59)RTC_Time[2] = 0;if (RTC_Time[2] > 59 & RTC_Time[2] < 100)RTC_Time[2] = 0;if (RTC_Time[2] > 100)RTC_Time[2] = 59;OLED_ShowNum(1, 11, RTC_Time[2], 2); //时}}if (T_state == 2){MyRTC_Time[3] = RTC_Time[0];MyRTC_Time[4] = RTC_Time[1];MyRTC_Time[5] = RTC_Time[2];MyRTC_SetTime();T_state = 0;}
}void TimeRead()
{MyRTC_ReadTime();OLED_ShowNum(1, 5, MyRTC_Time[3], 2); //时OLED_ShowString(1, 7, ":");OLED_ShowNum(1, 8, MyRTC_Time[4], 2); //分OLED_ShowString(1, 10, ":");OLED_ShowNum(1, 11, MyRTC_Time[5], 2); //秒
}void DingShiMoShi()
{TimeRead();//...............................定时模式..................................../if ((MyRTC_Time[3] == RTC_Time1[0]) && (MyRTC_Time[4] == RTC_Time1[1]) && (MyRTC_Time[5] == RTC_Time1[2])){//外设操作}if ((MyRTC_Time[3] == RTC_Time2[0]) && (MyRTC_Time[4] == RTC_Time2[1]) && (MyRTC_Time[5] == RTC_Time2[2])){//外设操作}//...............................修改定时时间..................................../OLED_ShowChinese(3, 1, 31);OLED_ShowString(3, 3, ":");OLED_ShowNum(3, 5, RTC_Time1[0], 2);OLED_ShowString(3, 7, ":");OLED_ShowNum(3, 8, RTC_Time1[1], 2);OLED_ShowString(3, 10, ":");OLED_ShowNum(3, 11, RTC_Time1[2], 2);OLED_ShowChinese(4, 1, 32);OLED_ShowString(4, 3, ":");OLED_ShowNum(4, 5, RTC_Time2[0], 2);OLED_ShowString(4, 7, ":");OLED_ShowNum(4, 8, RTC_Time2[1], 2);OLED_ShowString(4, 10, ":");OLED_ShowNum(4, 11, RTC_Time2[2], 2);if (KeyNum == 5){delay_ms(20);if (KeyNum == 5){state_dingshi_yu_switch++;if (state_dingshi_yu_switch > 2){state_dingshi_yu_switch = 0;}}}if (state_dingshi_yu_switch == 1) //设置阈值开的时间{if (KeyNum == 2){delay_ms(20);if (KeyNum == 2){state_dingshi_yu_kai++;if (state_dingshi_yu_kai > 2){state_dingshi_yu_kai = 0;}}}if (state_dingshi_yu_kai == 0) //时{if (KeyNum == 3) RTC_Time2[0]++;if (KeyNum == 4) RTC_Time2[0]--;}if (state_dingshi_yu_kai == 1)//分{if (KeyNum == 3) RTC_Time2[1]++;if (KeyNum == 4) RTC_Time2[1]--;}if (state_dingshi_yu_kai == 2)//秒{if (KeyNum == 3) RTC_Time2[2]++;if (KeyNum == 4) RTC_Time2[2]--;}}else{if (KeyNum == 2){delay_ms(20);if (KeyNum == 2){state_dingshi_yu_guan++;if (state_dingshi_yu_guan > 2){state_dingshi_yu_guan = 0;}}}if (state_dingshi_yu_guan == 0) //时{if (KeyNum == 3) RTC_Time1[0]++;if (KeyNum == 4) RTC_Time1[0]--;}if (state_dingshi_yu_guan == 1)//分{if (KeyNum == 3) RTC_Time1[1]++;if (KeyNum == 4) RTC_Time1[1]--;}if (state_dingshi_yu_guan == 2)//秒{if (KeyNum == 3) RTC_Time1[2]++;if (KeyNum == 4) RTC_Time1[2]--;}}if (state3_1 == 0) //时{if (KeyNum == 5) RTC_Time1[0]++;if (KeyNum == 6) RTC_Time1[0]--;}if (state3_1 == 1)//分{if (KeyNum == 5) RTC_Time1[1]++;if (KeyNum == 6) RTC_Time1[1]--;}if (state3_1 == 2)//秒{if (KeyNum == 5) RTC_Time1[2]++;if (KeyNum == 6) RTC_Time1[2]--;}
}void YuYin()
{if (Serial2_RxFlag == 1) //串口接收到数据包的标志位，若是收到数据包，会置1{if (strcmp(Serial2_RxPacket, "LED_ON") == 0){PWM_SetCompare1(66);;}else if (strcmp(Serial2_RxPacket, "LED_OFF") == 0){PWM_SetCompare1(0);;}Serial2_RxFlag = 0; //将标志位清零，不清零就接收不到下一个数据包了}
}void ChuangGan()
{char time_ms[8] = {0}; //时间缓冲区sprintf(time_ms, "%02d:%02d:%02d:%02d", hour_h, min_m, sec_s, msec_ms);OLED_ShowString(4, 3, time_ms); //oled显示时间delay_ms(10);OLED_ShowChinese(2, 1, 53);OLED_ShowChinese(2, 2, 54);OLED_ShowString(2, 5, ":");OLED_ShowNum(2, 6, bufe[0], 2);OLED_ShowString(2, 8, "%");OLED_ShowString(3, 1, "LED_DU:");OLED_ShowNum(3, 8, state2, 1);
}void msec_time(void)
{switch (KeyNum){case 2:TIM_ITConfig(TIM4, TIM_IT_Update, DISABLE); //关闭更新中断TIM_Cmd(TIM4, DISABLE); //关闭时钟break;case 3:TIM_ITConfig(TIM4, TIM_IT_Update, DISABLE); //关闭更新中断TIM_Cmd(TIM4, DISABLE); //关闭时钟hour_h = 0;min_m = 0;sec_s = 0;msec_ms = 0;break;case 4:TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE); //使能时钟，允许更新中断TIM_Cmd(TIM4, ENABLE); //使能时钟break;default:break;}
}void msec_Calcu(void)
{msec_ms++;if (msec_ms == 100){msec_ms = 0;sec_s++;if (sec_s == 60){sec_s = 0;min_m++;if (min_m == 60){min_m = 0;hour_h++;if (hour_h == 60){OLED_Clear(); //OLED清屏OLED_ShowString(2, 2, "overflow");}}}}
}
7、总结
该系统以主控芯片为核心，集环境监测、模式控制与外设驱动于一体。通过光照等传感器采集数据，支持远程、手动、自动、语音四种模式。可切换模式控制 LED 亮度，具备秒表功能，利用 WIFI 与机智云交互，语音模块可实现语音控制。
