功能介绍:
0.本系统采用STC89C52作为单片机
1.系统实时监测当前的土壤湿度和空气温湿度,并上传WIFI
2.支持手动/自动两种模式
3.自动模式下,当温湿度超过阈值上限时,打开通风机,直至降低到下限值,停止通风机,当土壤湿度超过阈值下限时,启动灌溉,直至达到阈值上限,停止灌溉
4.按键可设定阈值,手动控制灌溉和通风机
5.可通过语音控制灌溉和通风机
6.手动模式下,可设置定时灌溉时间
7.WIFI可切换工作模式。
*M# 手动模式 *A# 自动模式
8.采用DC002作为电源接口可直接输入5V给整个系统供电
原理图:
PCB:
主程序:
#include "main.h"
enum _MODE_DF_ dispMode;
bit modeFlag = AUTO;
uchar setIndex = 0;
uint humidity;
uint temperature;
uint soilhm;
uint hmMin= 25;
uint hmMax= 50;
uint tempMin = 25;
uint tempMax = 40;
uint soilhmMin = 30;
uint soilhmMax = 60;
bit dispFlag = 0;
bit sendFlag = 0;
uchar waterTime[2] = {18, 0};
bit waterTimeSwitch = OFF;
bit fanFlag1 = OFF;
bit waterFlag1 = OFF;
bit waterFlag2 = OFF;
bit savePinState1;
bit nowPinState1;
bit savePinState2;
bit nowPinState2;
bit buzzerFlag1 = OFF;
bit buzzerFlag2 = OFF;
xdata char dis[32];
void main()
{
modeFlag = MANUAL;
Timer0_Init();
UART_Init();
DS1302_Init();
LCD_Init();
DelayMs(200);
LCD_DispStr(4, 0, "Welcome!");
UART_SendStr("AT+CIPMUX=1\r\n", 13);
DelayS(1);
UART_SendStr("AT+CIPSERVER=1,8080\r\n", 21);
DelayS(1);
LCD_Clear();
while (1)
{
if (dispFlag == 1)
{
dispFlag = 0;
if (dispMode == NORMAL)
{
DispNormal();
}
}
if (sendFlag == 1)
{
sendFlag = 0;
SendData();
}
if (modeFlag == AUTO)
{
if (temperature > tempMax && humidity > hmMax)
{
fanFlag1 = ON;
}
else if (temperature < tempMin && humidity < hmMin)
{
fanFlag1 = OFF;
}
if (soilhm < soilhmMin)
{
waterFlag1 = ON;
}
else if (soilhm > soilhmMax)
{
waterFlag1 = OFF;
}
waterFlag2 = OFF;
}
else
{
if (waterTimeSwitch == ON)
{
if (timeBufDec[4] == waterTime[0] && timeBufDec[5] == waterTime[1])
{
waterFlag2 = ON;
}
else
{
waterFlag2 = OFF;
}
}
}
nowPinState1 = VOICE_CTRL_WATER;
if (( savePinState1 == 1 ) && ( nowPinState1 == 0 ))
{
waterFlag1 = ON;
modeFlag = MANUAL;
}
if (( savePinState1 == 0 ) && ( nowPinState1 == 1 ))
{
waterFlag1 = OFF;
modeFlag = MANUAL;
}
savePinState1 = nowPinState1;
nowPinState2 = VOICE_CTRL_FAN;
if (( savePinState2 == 1 ) && ( nowPinState2 == 0 ))
{
fanFlag1 = ON;
modeFlag = MANUAL;
}
if (( savePinState2 == 0 ) && ( nowPinState2 == 1 ))
{
fanFlag1 = OFF;
modeFlag = MANUAL;
}
savePinState2 = nowPinState2;
if (fanFlag1 == ON)
{
RELAY_FAN = ON;
}
else
{
RELAY_FAN = OFF;
}
if (waterFlag1 == ON || waterFlag2 == ON)
{
RELAY_WATER = ON;
}
else
{
RELAY_WATER = OFF;
}
KeyProcess();
}
}
void Timer0_Init(void)
{
TMOD |= 0x01;
TH0 = (65536 - 9216) / 256;
TL0 = (65536 - 9216) % 256;
EA = 1;
ET0 = 1;
TR0 = 1;
}
void Timer0_Interrupt(void) interrupt 1
{
static unsigned int time10ms = 0;
TH0 = (65536 - 9216) / 256;
TL0 = (65536 - 9216) % 256;
time10ms++;
if (time10ms % 50 == 0)
{
dispFlag = 1;
}
if (time10ms > 500)
{
time10ms = 0;
sendFlag = 1;
}
}
void SendData(void)
{
bit buzzerFlag1 = 0;
bit buzzerFlag2 = 0;
bit buzzerFlag3 = 0;
UART_SendStr("AT+CIPSEND=0,29\r\n", 17);
DelayMs(100);
sprintf(dis, "Hm:%2d%% Temp:%3d'C SiolH:%2d%%\r\n", humidity, temperature, soilhm);
UART_SendStr(dis, 29);
DelayMs(100);
if (temperature > tempMax || temperature < tempMin)
{
UART_SendStr("AT+CIPSEND=0,12\r\n", 17);
DelayMs(100);
UART_SendStr("Temp:Error\r\n", 12);
DelayMs(100);
buzzerFlag1 = 1;
}
else
{
buzzerFlag1 = 0;
}
if (humidity > hmMax || humidity < hmMin)
{
UART_SendStr("AT+CIPSEND=0,10\r\n", 17);
DelayMs(100);
UART_SendStr("Hm:Error\r\n", 10);
DelayMs(100);
buzzerFlag2 = 1;
}
else
{
buzzerFlag2 = 0;
}
if (soilhm > soilhmMax || soilhm < soilhmMin)
{
UART_SendStr("AT+CIPSEND=0,13\r\n", 17);
DelayMs(100);
UART_SendStr("SoilHm:Error\r\n", 13);
DelayMs(100);
buzzerFlag3 = 1;
}
else
{
buzzerFlag3 = 0;
}
if (buzzerFlag1 || buzzerFlag2 || buzzerFlag3)
{
BUZZER = 0;
}
else
{
BUZZER = 1;
}
DelayMs(100);
}
void DispNormal(void)
{
DHT11_0_ReadData();
temperature = U8T_data_H;
humidity = U8RH_data_H;
sprintf(dis, "Hm:%2d%% T:%3d", humidity, temperature);
LCD_DispStr(0, 0, dis);
LCD_DispOneChar(12, 0, 0xdf);
LCD_DispOneChar(13, 0, 'C');
LCD_DispOneChar(14, 0, ' ');
LCD_DispOneChar(15, 0, ' ');
soilhm = 100 * (255-ReadADC(AIN0_GND)) / 195;
sprintf(dis, "S:%2d%% ", soilhm);
LCD_DispStr(0, 1, dis);
if (modeFlag == AUTO)
{
LCD_DispStr(6, 1, "Md:A ");
}
else
{
LCD_DispStr(6, 1, "Md:M ");
}
DS1302_ReadTime();
sprintf(dis, "%02d:%02d", (int)timeBufDec[4], (int)timeBufDec[5]);
LCD_DispStr(11, 1, dis);
}
void DispSetRealTime(unsigned char setIndex)
{
sprintf(dis, "%02d/%02d/%02d", (int)timeBufDec[1], (int)timeBufDec[2], (int)timeBufDec[3]);
LCD_DispStr(0, 0, dis);
switch (timeBufDec[7])
{
case 0: LCD_DispStr(10, 0, " Sun."); break;
case 1: LCD_DispStr(10, 0, " Sun."); break;
case 2: LCD_DispStr(10, 0, " Mon."); break;
case 3: LCD_DispStr(10, 0, " Tue."); break;
case 4: LCD_DispStr(10, 0, " Wed."); break;
case 5: LCD_DispStr(10, 0, "Thur."); break;
case 6: LCD_DispStr(10, 0, " Fri."); break;
case 7: LCD_DispStr(10, 0, " Sat."); break;
default: break;
}
sprintf(dis, " %02d:%02d:%02d ", (int)timeBufDec[4], (int)timeBufDec[5], (int)timeBufDec[6]);
LCD_DispStr(0, 1, dis);
switch (setIndex)
{
case 1: LCD_SetCursor(1, 0, 1); break;
case 2: LCD_SetCursor(4, 0, 1); break;
case 3: LCD_SetCursor(7, 0, 1); break;
case 4: LCD_SetCursor(14, 0, 1); break;
case 5: LCD_SetCursor(5, 1, 1); break;
case 6: LCD_SetCursor(8, 1, 1); break;
case 7: LCD_SetCursor(11, 1, 1); break;
default:break;
}
}
void DispSetHm(unsigned char setIndex)
{
LCD_DispStr(0, 0, " Set Humidity ");
sprintf(dis, " H:%2d%% L:%2d%% ", hmMax, hmMin);
LCD_DispStr(0, 1, dis);
switch (setIndex)
{
case 1: LCD_SetCursor(6, 1, 1); break;
case 2: LCD_SetCursor(12, 1, 1); break;
default:;
}
}
void DispSetTemp(unsigned char setIndex)
{
LCD_DispStr(0, 0, "Set Temperature ");
sprintf(dis, " H:%3d L:%3d ", tempMax, tempMin);
LCD_DispStr(0, 1, dis);
switch (setIndex)
{
case 1: LCD_SetCursor(7, 1, 1); break;
case 2: LCD_SetCursor(13, 1, 1); break;
default:;
}
}
void DispSetSoilHm(unsigned char setIndex)
{
LCD_DispStr(0, 0, "Set SoilHumidity");
sprintf(dis, " H:%2d%% L:%2d%% ", soilhmMax, soilhmMin);
LCD_DispStr(0, 1, dis);
switch (setIndex)
{
case 1: LCD_SetCursor(6, 1, 1); break;
case 2: LCD_SetCursor(12, 1, 1); break;
default:;
}
}
void DispSetWaterTime(unsigned char setIndex)
{
sprintf(dis, "WaterTime: %02d:%02d", (int)waterTime[0], (int)waterTime[1]);
LCD_DispStr(0, 0, dis);
if (waterTimeSwitch == ON)
{
LCD_DispStr(0, 1, "WaterSwitch: On");
}
else
{
LCD_DispStr(0, 1, "WaterSwitch: Off");
}
switch (setIndex)
{
case 1: LCD_SetCursor(12, 0, 1); break;
case 2: LCD_SetCursor(15, 0, 1); break;
case 3: LCD_SetCursor(15, 1, 1); break;
default:break;
}
}
void UART_Init(void)
{
SCON = 0x50;
TH2 = 0xFF;
TL2 = 0xFD;
RCAP2H = 0xFF;
RCAP2L = 0xFD;
TCLK = 1;
RCLK = 1;
C_T2 = 0;
EXEN2 = 0;
TR2 = 1;
ES = 1;
EA = 1;
}
void UART_SendByte(unsigned char dat)
{
unsigned char time_out;
time_out = 0;
SBUF = dat;
while ((!TI) && (time_out < 100))
{
time_out++;
DelayUs10x(2);
}
TI = 0;
}
void UART_SendStr(unsigned char *s, unsigned char length)
{
unsigned char num;
num = 0x00;
while (num < length)
{
UART_SendByte(*s);
s++;
num++;
}
}
void UART_Interrupt(void) interrupt 4
{
static unsigned char i = 0;
static unsigned char firstBit = 0;
static unsigned char R_buf[3];
if (RI)
{
RI = 0;
if (SBUF == '*')
{
firstBit = 1;
i = 0;
R_buf[1] = 0;
R_buf[2] = 0;
}
if (firstBit == 1)
{
R_buf[i] = SBUF;
SBUF = SBUF;
i++;
if (i == 3)
{
i = 0;
if (R_buf[0] == '*' && R_buf[2] == '#')
{
if (R_buf[1] == 'M')
{
modeFlag = MANUAL;
}
else if (R_buf[1] == 'A')
{
modeFlag = AUTO;
}
}
firstBit = 0;
}
}
}
}
仿真演示视频:
https://www.bilibili.com/video/BV1KA4y1Z7dE/
实物演示视频:
https://www.bilibili.com/video/BV1ja411E7ih/
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