added gateway on Pro Mini, with rc-switch and DHT11

gateway/gateway.ino

@@ -0,0 +1,107 @@
+#include "Arduino.h"
+#include <RCSwitch.h>
+#include <ArduinoJson.h>
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+
+#define DEBUG 0
+
+#define RESET_PIN 10
+#define SEND_PIN 11
+#define RECEIVE_PIN 2
+#define DHT11_PIN 12
+
+#define READ_INTERVAL(c) (c*60*1000UL)	// read interval in minutes
+
+const unsigned long readInterval = READ_INTERVAL(5);
+unsigned long lastReadTime = -READ_INTERVAL(10);
+
+RCSwitch mySwitch = RCSwitch();
+DHT dht = DHT(DHT11_PIN, DHT11);
+
+
+void setup() {
+	pinMode(LED_BUILTIN, OUTPUT);
+	pinMode(RESET_PIN, INPUT_PULLUP);
+
+	mySwitch.enableReceive(digitalPinToInterrupt(RECEIVE_PIN));
+	mySwitch.enableTransmit(SEND_PIN);
+	mySwitch.setRepeatTransmit(10);
+
+	dht.begin();
+
+	Serial.begin(9600);
+
+	delay(1000);
+}
+
+void loop() {
+	unsigned long currentTime = millis();
+	if ((currentTime - lastReadTime) > readInterval) {
+		lastReadTime = currentTime;
+		StaticJsonDocument<256> jsonDoc;
+		JsonObject dht11 = jsonDoc.createNestedObject("dht11");
+		dht11["temperature"] = dht.readTemperature();
+		dht11["humidity"] = dht.readHumidity();
+		serializeJson(jsonDoc, Serial);
+		Serial.println();
+	}
+	if (Serial.available() > 0) {
+		String cmd = Serial.readStringUntil('\n');
+		if (cmd == "reset") {
+			pinMode(RESET_PIN, OUTPUT);
+			digitalWrite(RESET_PIN, LOW);
+		}
+		StaticJsonDocument<256> jsonBuffer;
+		DeserializationError err = deserializeJson(jsonBuffer, cmd);
+		if (err == DeserializationError::Ok) {
+			if (jsonBuffer.containsKey("rcSwitch")) {
+				JsonObject rcSwitch = jsonBuffer["rcSwitch"];
+				unsigned int protocol = rcSwitch["protocol"];
+				if (protocol == 1) {
+					mySwitch.setProtocol(protocol);
+					char* group = rcSwitch["group"];
+					int channel = rcSwitch["channel"];
+					if (rcSwitch["state"]) {
+						mySwitch.switchOn(group, channel);
+					} else {
+						mySwitch.switchOff(group, channel);
+					}
+				} else {
+					mySwitch.setProtocol(protocol);
+					mySwitch.send(rcSwitch["value"]);
+				}
+			}
+		} else {
+			Serial.println(err.c_str());
+		}
+	}
+	if (mySwitch.available()) {
+		unsigned long value = mySwitch.getReceivedValue();
+		mySwitch.resetAvailable();
+#if DEBUG
+		StaticJsonDocument<100> json1;
+		JsonObject rcSwitch = json1.createNestedObject("rcSwitch");
+		rcSwitch["protocol"] = mySwitch.getReceivedProtocol();
+		rcSwitch["value"] = value;
+		serializeJson(json1, Serial);
+		Serial.println();
+#endif
+		if (mySwitch.getReceivedProtocol() == 2) {
+			if (value == 637541753L || value == 771759481L) {
+				StaticJsonDocument<100> jsonBuffer;
+				JsonObject motion = jsonBuffer.createNestedObject("motion");
+				motion["kitchen"] = value == 637541753L ? "on" : "off";
+				serializeJson(jsonBuffer, Serial);
+				Serial.println();
+			}
+			if (value == 1879048230L || value == 1879048198L) {
+				StaticJsonDocument<100> jsonBuffer;
+				JsonObject motion = jsonBuffer.createNestedObject("motion");
+				motion["basement"] = value == 1879048230L ? "on" : "off";
+				serializeJson(jsonBuffer, Serial);
+				Serial.println();
+			}
+		}
+	}
+}