PlantMonitorNodeMCU/NodeMcu.ino

191 lines
4.1 KiB
Arduino
Raw Permalink Normal View History

2021-06-27 08:18:29 +00:00
#include <ESP8266WiFi.h>
//variables
int water_level = 0;
int photo_level = 0;
//Constants
int sleepTime = 1000;
const char* ssid = "TristonArm_2.4G";
const char* password = "Thanchanok1205";
WiFiClient client;
//LED pins
int ledRed = D0;
int ledYellow = D1;
int ledGreen = D2;
//power out pins
int photo_resistor_input = D8;
int photo_resister_pin = D4;
//input pins
int respin = A0;
void setup() {
// set serial data rate
Serial.begin(9600);
while (!Serial) {}
// set pinmodes so the boards knows where to direct power
pinMode(LED_BUILTIN, OUTPUT);
pinMode(ledRed, OUTPUT);
pinMode(ledYellow, OUTPUT);
pinMode(ledGreen, OUTPUT);
pinMode(photo_resistor_input, INPUT);
pinMode(photo_resister_pin, OUTPUT);
// Maker sure no power is going out on start
digitalWrite(photo_resister_pin, LOW);
digitalWrite(ledGreen, LOW);
digitalWrite(ledYellow, LOW);
digitalWrite(ledRed, LOW);
// Just printing the start
Serial.println("Started");
// WIFI logic
Serial.println();
Serial.print("Wifi connecting to ");
Serial.println( ssid );
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
Serial.println();
Serial.print("Connecting");
while (WiFi.status() != WL_CONNECTED) {
digitalWrite(LED_BUILTIN, HIGH);
delay(250);
Serial.print(".");
digitalWrite(LED_BUILTIN, LOW);
delay(250);
}
Serial.println();
Serial.println("Wifi Connected Success!");
Serial.print("NodeMCU IP Address : ");
Serial.println(WiFi.localIP());
Serial.println();
}
void loop() {
// read and modify the incoming data
doWaterSensor();
doPhotoSensor();
}
void doPhotoSensor() {
digitalWrite(photo_resister_pin, HIGH);
photo_level = analogRead(photo_resistor_input);
Serial.println();
char string[] = "sunlight_status: ";
char* final_message = string;
char snum[4];
Serial.println(strcat(final_message, itoa(photo_level, snum, 10)));
//Send message through client
Serial.println("Sending client message");
if (client.connect("192.168.1.103", 5825)) {
Serial.println("Connected to TCP server");
client.write(final_message);
} else {
Serial.println("Failed to connect to TCP server");
}
return;
digitalWrite(photo_resister_pin, LOW);
}
void doWaterSensor() {
water_level = analogRead(respin);
water_level = water_level - 300;
char *water_status = "";
if (water_level <= 0) {
water_status = "Empty";
digitalWrite(ledRed, HIGH);
} else {
if (water_level <= 250) {
water_status = "Low";
digitalWrite(ledYellow, HIGH);
}
if (water_level > 250 && water_level <= 300) {
water_status = "Medium";
digitalWrite(ledYellow, HIGH);
digitalWrite(ledGreen, HIGH);
}
if (water_level > 300) {
water_status = "High";
digitalWrite(ledGreen, HIGH);
}
}
sendWaterStatus(water_status);
sendWaterLevel(water_level);
clearLEDS();
}
void clearLEDS() {
delay(sleepTime); //To maintain light on
digitalWrite(ledRed, LOW);
digitalWrite(ledYellow, LOW);
digitalWrite(ledGreen, LOW);
delay(sleepTime); //To maintain light off
}
/** SEND WATER LEVEL BY CONNECTING TO THE TCP SERVER AT PORT 192.168.1.103 **/
void sendWaterLevel(int level) {
Serial.println();
char string[] = "water_level: ";
char snum[3];
char* final_message = string;
Serial.println(strcat(final_message, itoa(level, snum, 10)));
//Send message through client
Serial.println("Sending client message");
if (client.connect("192.168.1.103", 5825)) {
Serial.println("Connected to TCP server");
client.write(final_message);
} else {
Serial.println("Failed to connect to TCP server");
}
return;
}
/** SEND WATER STATUS BY CONNECTING TO THE TCP SERVER AT PORT 192.168.1.103 **/
void sendWaterStatus(char* message) {
Serial.println();
char string[] = "water_status: ";
char* final_message = string;
Serial.println(strcat(final_message, message));
//Send message through client
Serial.println("Sending client message");
if (client.connect("192.168.1.103", 5825)) {
Serial.println("Connected to TCP server");
client.write(final_message);
} else {
Serial.println("Failed to connect to TCP server");
}
return;
}