STM32项目分享：STM32智能语音台灯

项目成品图片：

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项目简介

1.功能详解

STM32智能语音台灯

功能如下：

1. STM32F103C8T6单片机系统板作为主控单元

2. 按键切换模式，支持智能/按键/远程/语音四种模式

3. 光敏电阻采集光照强度，超声波传感器采集坐姿距离，所有参数显示在OLED上

4. 智能模式：自动识别有人开灯，并根据环境光强度控制灯的亮度

5. 按键模式：按键手动调节灯亮度(三档)，可以按键控制计时

6. 远程模式：通过手机蓝牙APP远程控制台灯开关与计时操作

7. 语音模式：通过语音识别控制台灯调光与计时功能

8. 坐姿报警：超声波距离报警，距离小于10cm提醒坐姿

2.材料清单

STM32F103C8T6单片机

OLED 屏幕

光敏电阻传感器

光电红外传感器

超声波传感器

SNR016语音识别模块

HC-SR04超声波模块

大功率LED模块

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"led.h"#include"delay.h"#include"key.h"#include"sys.h"#include"oled.h"#include"usart.h"#include"exti.h"#include"timer.h"#include"HC_SR04.h"#include"kalman.h"#include"lsens.h"#include"adc.h"#include"hongwai.h"#include"BEEP.h"#include"usart2.h"#include"usart3.h"
externu8 Res1, Res3;externinttimer1;u16 sonic_dis =0;intmain(void){ intkey =0, flag1 =0, flag2 =0, flag3 =0, flag4 =0, guangmi =0, flag5 =0; delay_init(); NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); uart_init(115200); usart3_Init(9600); LED_Init(); BEEP_Init(); OLED_Init(); KEY_Init(); Lsens_Init(); hongwai(); //人体

TIM3_Int_Init(9,71); //10us EXTIX_Init(); hc_sr04_init(); //HC_SR04初始化

TIM4_Int_Init(9999,7199); //计时 TIM2_PWM_Init(899,0); //调节亮度

TIM_SetCompare2(TIM2,899);
BEEP =0; OLED_ShowCHinese(35,0,0); OLED_ShowCHinese(50,0,1); OLED_ShowCHinese(65,0,2); OLED_ShowCHinese(80,0,3); //标题
OLED_ShowCHinese(0,2,6); OLED_ShowCHinese(15,2,7); OLED_ShowString(30,2,":",16);//模式

OLED_ShowCHinese(0,4,16); OLED_ShowCHinese(15,4,17); OLED_ShowString(30,4,":",16);//状态

OLED_ShowCHinese(70,4,22); //无人 OLED_ShowCHinese(85,4,23); OLED_ShowString(100,4,":",16);//状态
OLED_ShowCHinese(0,6,24); //时间 OLED_ShowCHinese(15,6,25); OLED_ShowString(30,6,":",16); OLED_ShowString(65,6,"s",16);
while(1) { usart2_init(9600); //蓝牙通信
sonic_Trig(); //超声波 sonic_dis = sonic_distance /10; OLED_ShowNum(75,6, sonic_distance /10,4,16); OLED_ShowString(110,6,"cm",16);
if(sonic_distance /10>10) { BEEP =0; } elseif(sonic_distance /10<= 10)        {            BEEP = 1;        }
guangmi =Lsens_Get_Val(); //亮度 OLED_ShowNum(110,4, guangmi,2,16);
key =KEY_Scan(0); if(key ==1) { flag1 +=1; if(flag1 >3) flag1 =0; } if(flag1 ==0) //智能模式 { OLED_ShowCHinese(45,2,4); OLED_ShowCHinese(60,2,5); OLED_ShowCHinese(75,2,6); OLED_ShowCHinese(90,2,7); if(renti ==0) { OLED_ShowCHinese(40,4,18);//有人 OLED_ShowCHinese(55,4,19); flag2 =1; } elseif(renti ==1)
{ OLED_ShowCHinese(40,4,20);//无人 OLED_ShowCHinese(55,4,21); flag2 =0; } if(flag2 ==1) {
if(guangmi >20&& guangmi <= 40)                {                    TIM_SetCompare2(TIM2, 200);                }                if (guangmi >40&& guangmi <= 60)                {                    TIM_SetCompare2(TIM2, 400);                }                if (guangmi >60) { TIM_SetCompare2(TIM2,800); } } elseif(flag2 ==0) {
TIM_SetCompare2(TIM2,899);//关灯 }

} if(flag1 ==1) { OLED_ShowCHinese(45,2,8); OLED_ShowCHinese(60,2,9); OLED_ShowCHinese(75,2,10); OLED_ShowCHinese(90,2,11);//按键模式

if(key ==2) { flag3 +=1;if(flag3>3){flag3=0;} } if(flag3 ==0) { TIM_SetCompare2(TIM2,899); } elseif(flag3 ==1) { TIM_SetCompare2(TIM2,800); }elseif(flag3 ==2) { TIM_SetCompare2(TIM2,600); }elseif(flag3 ==3) { TIM_SetCompare2(TIM2,400); }
if(key ==3) { flag4 = !flag4;//计时 } if(flag4 ==1) { TIM_Cmd(TIM4, ENABLE); //使能TIMx OLED_ShowNum(40,6, timer1,3,16); } if(flag4 ==0) { TIM_Cmd(TIM4, DISABLE); //使能TIMx OLED_ShowNum(40,6, timer1,3,16); } }
if(flag1 ==2) { OLED_ShowCHinese(45,2,12); OLED_ShowCHinese(60,2,13); OLED_ShowCHinese(75,2,14); OLED_ShowCHinese(90,2,15);//远程模式

switch(Res1) { case1: TIM_SetCompare2(TIM2,400); break;//开灯 case2: TIM_SetCompare2(TIM2,899); break;//关灯

case3: TIM_Cmd(TIM4, ENABLE); OLED_ShowNum(40,6, timer1,3,16); break;//开启计时 case4: TIM_Cmd(TIM4, DISABLE); OLED_ShowNum(40,6, timer1,3,16); break;//关闭计时 case5: TIM_SetCompare2(TIM2,200); break;//三档灯光 case6: TIM_SetCompare2(TIM2,500); break;//二档灯光

case7: TIM_SetCompare2(TIM2,800); break;//一档灯光 case8: TIM_Cmd(TIM4, DISABLE); timer1 =0; OLED_ShowNum(40,6, timer1,3,16); break;//清零 }
}
if(flag1 ==3) { OLED_ShowCHinese(45,2,26); OLED_ShowCHinese(60,2,27); OLED_ShowCHinese(75,2,28); OLED_ShowCHinese(90,2,29);//语音模式 Uart3_SendCMD2(0x01, guangmi); Uart3_SendCMD2(0x02, sonic_distance /10); switch(Res3) { case1: TIM_SetCompare2(TIM2,400); break;//开灯 case2: TIM_SetCompare2(TIM2,899); break;//关灯 case3: TIM_SetCompare2(TIM2,800);

break;//一档灯光 case4: TIM_SetCompare2(TIM2,500); break;//二档灯光 case5:TIM_SetCompare2(TIM2,200); break;//三档灯光 case6: TIM_Cmd(TIM4, ENABLE); OLED_ShowNum(40,6, timer1,3,16); break;//开启计时 case7: TIM_Cmd(TIM4, DISABLE); OLED_ShowNum(40,6, timer1,3,16); break;//关闭计时 case8: TIM_Cmd(TIM4, DISABLE); timer1 =0;//清零 OLED_ShowNum(40,6, timer1,3,16); break; }
} if(key ==4) { timer1 =0; }
}}

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实验效果