Plant Watering

Smart Home/Smart Plant Watering/Smart_Plant_Watering/Smart_Plant_Watering.ino

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+#include <ESP8266WiFi.h>
+#include <WiFiUdp.h>
+#include <WiFiClient.h>
+#include <ESP8266WebServer.h>
+#include <ESP8266HTTPUpdateServer.h>
+
+#include <Ticker.h>
+
+//Static IP address configuration
+IPAddress staticIP(192, 168, 1, 170);
+IPAddress gateway(192, 168, 1, 1);
+IPAddress subnet(255, 255, 255, 0);
+IPAddress dns(192, 168, 1, 1);
+IPAddress dns2(8, 8, 8, 8);
+
+const char *deviceName = "MakeItSmart_Plant_Watering";
+  const char *ssid     = "**********Your_SSID************";
+  const char *password = "********Your Password**********";
+
+ESP8266WebServer httpServer(80);
+ESP8266HTTPUpdateServer httpUpdater;
+
+#define mosfet 12
+#define relay 14
+
+const int analogInPin = A0;
+
+Ticker timer;
+bool state = false;
+int humidity = 0;
+
+Ticker relay_timer;
+
+void setup() {
+  Serial.begin(115200);
+
+  pinMode(relay, OUTPUT);  
+  pinMode(mosfet, OUTPUT);
+
+  //analogWriteRange(1024);
+
+  timer.attach_ms(1000, readSensorValue);
+
+  connectToWifi();
+}
+
+void loop() {
+  analogWrite(mosfet, state ? 130 : 0);
+  digitalWrite(relay, state ? HIGH : LOW);
+
+  httpServer.handleClient();
+}
+
+//--------------------Operational functions-----------------------------------------
+void connectToWifi() {
+  WiFi.hostname(deviceName);
+  WiFi.config(staticIP, gateway, subnet, dns, dns2);
+
+  WiFi.mode(WIFI_STA);
+  WiFi.begin(ssid, password);
+
+  int counter = 0;
+  while (WiFi.status() != WL_CONNECTED && counter < 20) {
+    delay(500);
+  }
+
+  if (WiFi.status() != WL_CONNECTED) ESP.restart();
+
+  httpUpdater.setup(&httpServer);
+  httpServer.on("/get_device_type", get_device_type);
+  httpServer.on("/get_humidity", get_humidity);
+  httpServer.on("/get_state", get_state);
+  httpServer.on("/waterize", waterize);
+
+  httpServer.begin();
+}
+
+void readSensorValue() {
+  humidity = (int)((1024 - analogRead(analogInPin)) / 10.24);
+}
+
+void stopWaterizing() {
+  if (relay_timer.active()) relay_timer.detach();
+  state = false;
+}
+
+//--------------------Http functions-----------------------------------------
+void get_device_type() {
+  httpServer.send(200, "text/plain", "Plant Watering");
+}
+
+void get_humidity() {
+  httpServer.send(200, "text/plain", String(humidity));
+}
+
+void get_state() {
+  httpServer.send(200, "text/plain", String(state));
+}
+
+void waterize() {
+  state = httpServer.arg("value").toInt() == 1;
+  if (state) {
+    int duration = httpServer.arg("duration").toInt();
+    if (!relay_timer.active()) relay_timer.attach_ms(duration > 0 ? duration : 3000, stopWaterizing);
+  } else {
+    if (relay_timer.active()) relay_timer.detach();
+  }
+
+  httpServer.send(200, "text/plain", "Ok");
+}