STM32烟雾检测程序 DHT11温湿度采集 ESP8266WIFI传输数据 1602液显 -

#include "led.h"
#include "delay.h"
#include "sys.h"
#include "adc.h"
#include "timer.h"
#include "usart1.h"
#include "LCD1602.h"
#include "string.h"
#include "stdio.h"
#include "dht11.h"
void Change_data_handle(void);
void SHOW_AND_BAOJING_Handle(void);
u8 KEY_SCAN(void); //按键函数
u8 key,PPM,Temperature,HUM;
u16 PPM_MAX=60,Temperature_MAX=40,HUM_MAX=70;//烟雾温湿度上限初始值
unsigned char Alarm_Buf[16]="Warning";
char buf[30];
extern unsigned char RxCounter,Usart1RecBuf[64];
extern char bUsart1RecFlag;
//ESP8266相关函数
#define ESP_RECV_PTYPE_NULL 0
#define ESP_RECV_PTYPE_DATA 1
unsigned char cur_conn_id;
char *strx=0;
void Clear_Buffer(void)//清空缓存
{
u8 i;
for(i=0;i<64;i++)
Usart1RecBuf[i]=0;//缓存
RxCounter=0;
}
void esp_ap_mode(void)
{
Clear_Buffer();
Uart1_SendStr("AT+CWMODE=2\r\n"); ////<mode>:1-Station模式，2-AP模式，3-AP兼Station模式
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
while(strx == NULL)
{
Clear_Buffer();
Uart1_SendStr("AT+CWMODE=2\r\n");
delay_ms(500);
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
}
/*
<ssid>:字符串参数，接入点名称
<pwd>:字符串参数，密码最长64字节，ASCII
<chl>:通道号
< ecn >:0-OPEN，1-WEP，2-WPA_PSK，3-WPA2_PSK，4-WPA_WPA2_PSK
*/
Clear_Buffer();
Uart1_SendStr("AT+CWSAP=\"TEST\",\"12345678\",1,3\r\n");
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
while(strx == NULL)
{
Clear_Buffer();
Uart1_SendStr("AT+CWSAP=\"TEST\",\"12345678\",1,3\r\n");
delay_ms(500);
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
}
/*
AT+CIPMUX=1
OK
*/
Clear_Buffer();
Uart1_SendStr("AT+CIPMUX=1\r\n");
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
while(strx == NULL)
{
Clear_Buffer();
Uart1_SendStr("AT+CIPMUX=1\r\n");
delay_ms(500);
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
}
/*
AT+CIPMUX=1时才能开启服务器；关闭server模式需要重启?
AT+CIPSERVER=1,8080
OK
*/
Clear_Buffer();
Uart1_SendStr("AT+CIPSERVER=1,8080\r\n");
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
while(strx == NULL)
{
Clear_Buffer();
Uart1_SendStr("AT+CIPSERVER=1,8080\r\n");
delay_ms(500);
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
}
}
void esp8266_init()
{
Usart1_Init(115200);
Uart1_SendStr("ESP8266 Init\r\n");
Uart1_SendStr("AT\r\n"); //模块测试
strx = strstr((const char*)Usart1RecBuf,(const char*)"OK");
while(strx == NULL)
{
Clear_Buffer();
Uart1_SendStr("AT\r\n");
delay_ms(500);
strx=strstr((const char*)Usart1RecBuf,(const char*)"OK");
}
esp_ap_mode();
}
void esp_send_buf(unsigned char conn_id, char * buf, unsigned char len)
{
printf("AT+CIPSEND=%d,%d\r\n",cur_conn_id,len);
strx = strstr((const char*)Usart1RecBuf,(const char*)">");
delay_ms(200);
if(strx==NULL)
{
return;
}
Uart1_SendStr(buf);
strx = strstr((const char*)Usart1RecBuf,(const char*)"SEND OK");
delay_ms(100);
if(strx==NULL)
{
return;
}
}
int main(void)
{
u16 test,test_adc;
delay_init(); //延时函数初始化
NVIC_Configuration(); //设置NVIC中断分组2:2位抢占优先级，2位响应优先级
KEY_IO_Init();
TIM2_Int_Init(1000-1,72-1); //定时器初始化，定时1MS
//Tout = ((arr+1)*(psc+1))/Tclk ; 72000/72=1000us
//Tclk:定时器输入频率(单位MHZ)
//Tout:定时器溢出时间(单位us)
delay_ms(300);
DHT11_Init(); //DHT11初始化
RELAY_Init();//继电器初始化
BEEP_DISENABLE(); //蜂鸣器初始化
LCD_Init(); // 1602初始化
Adc_Init(); //ADC初始化
esp8266_init();//ESP8266初始化
while(1)
{
test_adc = Get_Adc_Average(ADC_Channel_9,20);//读取通道9的AD值，读取20次的平均值
PPM = test_adc*99/4096;//12位AD，把AD值转换成百分比0~99
PPM = PPM >= 99? 99: PPM;//最大值不能超过99
DHT11_Read_Data(&Temperature,&HUM);//读取温湿度值
SHOW_AND_BAOJING_Handle();
Change_data_handle();//按键调节
if(test++>20)//ESP8266延时一段时间，发送一次数据
{
esp_send_buf(0,buf,27);
test = 0;
}
delay_ms(1);
}
}
extern u8 FLICKER;
void SHOW_AND_BAOJING_Handle(void)
{
unsigned char show_buf[16];//显示缓存区
if(Temperature >= Temperature_MAX)//温度超限
{
memcpy(buf,Alarm_Buf,8);//把Alarm_Buf里的字符串拷贝到buf中
buf[7] = '!';
if(FLICKER)//超标显示闪烁
{
LCD_Write_String(0,0," ");
}
else
{
sprintf(show_buf,"TEMP:%02dC",(u16)Temperature);//转换显示格式为TEMP:00C
LCD_Write_String(0,0,show_buf);//显示
}
}
else
{
sprintf(show_buf,"TEMP:%02dC",(u16)Temperature);//转换显示格式为TEMP:00C
LCD_Write_String(0,0,show_buf);//显示
memcpy(buf,show_buf,8);//将温度显示字符拷贝到buf中
}
buf[8] = ',';
if(HUM >= HUM_MAX)//湿度超限
{
memcpy(buf+9,Alarm_Buf,8);//把Alarm_Buf里的字符串拷贝到buf中
if(FLICKER)//超标显示闪烁
{
LCD_Write_String(9,0," ");
}
else
{
sprintf(show_buf,"HUM:%02d%%",(u16)HUM);//转换显示格式为HUM:00%
LCD_Write_String(9,0,show_buf);//显示
}
}
else
{
sprintf(show_buf,"HUM:%02d%%",(u16)HUM);//转换显示格式为HUM:00%
LCD_Write_String(9,0,show_buf);
memcpy(buf+9,show_buf,7);//将湿度显示字符拷贝到buf中
}
buf[16] = ',';
if(PPM >= PPM_MAX)//烟雾超限
{
memcpy(buf+17,Alarm_Buf,7);
buf[24] = '!';
buf[25] = '!';
if(FLICKER)//超标显示闪烁
{
LCD_Write_String(0,1," ");
}
else
{
sprintf(show_buf,"SMOKE:%02d%%",PPM);//转换显示格式为SMOKE:00%
LCD_Write_String(0,1,show_buf);
}
}
else
{
sprintf(show_buf,"SMOKE:%02d%%",PPM);//转换显示格式为SMOKE:00%
LCD_Write_String(0,1,show_buf);
memcpy(buf+17,show_buf,9);
}
buf[26] = '\r';
buf[26] = '\n';
if(Temperature >= Temperature_MAX || HUM >= HUM_MAX || PPM >= PPM_MAX)//温度湿度烟雾超限
{
RELAY = 1;//继电器开启
BEEP_ENABLE(); //蜂鸣器报警
}
else
{
RELAY = 0;
BEEP_DISENABLE();
}
}
u8 KEY_SCAN(void)
{
u8 res = 0;
if(!KEY1)
{
delay_ms(10);
if(!KEY1)
{
while(!KEY1);//卡死
res = 1;
}
}
if(!KEY2)
{
delay_ms(10);
if(!KEY2)
{
while(!KEY2);//卡死
res = 2;
}
}
if(!KEY3)
{
delay_ms(10);
if(!KEY3)
{
while(!KEY3);//卡死
res = 3;
}
}
return res;
}
void Change_data_handle(void)
{
u8 key;
static u8 MODE = 0;
key = KEY_SCAN();//读取按键值
if(key == 1)//按键1按下
{
MODE++;
LCD_Clear();//清屏
delay_ms(100);
}
while(MODE)
{
key = KEY_SCAN();
switch(MODE)
{
case 1: //设置温度
//显示
LCD_Write_String(0,0,"Set the TEMP ");
LCD_Write_String(0,1,"max:");
LCD_Write_Char(8,1,0xdf);
LCD_Write_Char(9,1,'C');
if(key == 2 && Temperature_MAX < 99) Temperature_MAX++;//按键2按下，值加1
if(key == 3 && Temperature_MAX > 0) Temperature_MAX--;//按键3按下，值减1
LCD1602_write_long(6,1,Temperature_MAX,2);//显示值
delay_ms(10);
break;
case 2: //设置湿度
//显示
LCD_Write_String(0,0,"Set the HUM ");
LCD_Write_String(0,1,"max:");
LCD_Write_String(8,1,"%");
if(key == 2 && HUM_MAX < 99) HUM_MAX += 1;//按键2按下，值加1
if(key == 3 && HUM_MAX > 0) HUM_MAX -= 1;//按键3按下，值减1
LCD1602_write_long(6,1,HUM_MAX,2);
delay_ms(10);
break;
case 3: //设置烟雾
//显示
LCD_Write_String(0,0,"Set the SMOKE ");
LCD_Write_String(0,1,"max:");
LCD_Write_String(10,1,"% ");
if(key == 2 && PPM_MAX < 99) PPM_MAX += 1;//按键2按下，值加1
if(key == 3 && PPM_MAX > 0) PPM_MAX -= 1;//按键3按下，值减1
LCD1602_write_long(8,1,PPM_MAX,2);
delay_ms(10);
break;
default: break;
}
if(key == 1)
{
MODE++;
LCD_Clear();
if(MODE == 4)//按下次数等于4退出设置
{
MODE = 0;
}
}
}
}

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