Initial versiob

.gitignore

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+config.h

config.h.sample

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+
+#define WIFI_NAME "your wi-fi name"
+#define WIFI_PASS "you wi-fi password" 
+// IP configuration. Comma-separated to make it convenient
+// to substitute them into constructor.
+#define MY_IP 192,168,0,25 
+#define MY_GW 192,168,0,1
+#define MY_NET 255,255,255,0
+

make_config.pl

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+#!/usr/bin/perl
+
+if (scalar(@ARGV) < 1)
+{
+	die("Usage: make_config.pl SENSOR_NAME");
+}
+my $name = shift @ARGV;
+
+Process("thermo_sensor_v2.things", $name.".things");
+Process("thermo_sensor_v2.items", $name.".items");
+
+sub Process
+{
+	my $src = shift;
+	my $dst = shift;
+	my $fh;
+	open($fh, "< ".$src);
+	my $ofh;
+	open($ofh, "> ".$dst);
+	while (<$fh>)
+	{
+		$_ =~ s/SENSOR_NAME/$name/g;
+		print($ofh $_);
+	}
+	close($fh);
+	close($ofh);
+}

thermo_sensor_v2.ino

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+#include "DHT.h"
+#include <ESP8266WiFi.h>
+#include <ModbusIP_ESP8266.h>
+#include "config.h"
+
+#define DHTPIN 5
+#define DHTTYPE DHT22
+#define READ_INTERVAL 100
+#define TCP_PORT 15000
+
+IPAddress my_ip(MY_IP);
+IPAddress gateway(MY_GW);
+IPAddress subnet(MY_NET);
+
+ModbusIP mb;
+DHT dht(DHTPIN, DHTTYPE);
+char id[64];
+
+#define REGISTER_CURRENT_TEMP 0
+#define REGISTER_CURRENT_HUM 1
+
+int cur_t = 0;
+int cur_hum = 0;
+
+
+void setup() 
+{
+	Serial.begin(115200);
+	Serial.println("Initialised...");
+	pinMode(DHTPIN, INPUT);
+
+	dht.begin();
+
+	WiFi.mode(WIFI_STA);
+	WiFi.config(my_ip, gateway, subnet);
+	WiFi.setAutoReconnect(true);
+	WiFi.begin(WIFI_NAME, WIFI_PASS);
+	Serial.print("Connecting");
+	while (WiFi.status() != WL_CONNECTED)
+	{
+		delay(500);
+		Serial.print(".");
+	}
+	Serial.println();
+
+
+	Serial.print("Connected, IP address: ");
+	Serial.println(WiFi.localIP());
+	uint8_t macAddr[6];
+	WiFi.macAddress(macAddr);
+	sprintf(id, "%02x:%02x:%02x:%02x:%02x:%02x", macAddr[0], macAddr[1], macAddr[2], macAddr[3], macAddr[4], macAddr[5]);
+	Serial.printf("Connected, mac address: %s\n", id);
+
+	// Modbus init	
+	mb.server(15000);
+	mb.addHreg(REGISTER_CURRENT_TEMP, cur_t);
+	mb.addHreg(REGISTER_CURRENT_HUM, cur_hum);
+}
+
+void UpdateDHTData()
+{
+	float h = dht.readHumidity();
+	float t = dht.readTemperature();
+	cur_hum = (int)(h * 100);
+	cur_t = (int)(t * 100);
+}
+
+unsigned long last_read = 0;
+
+void loop() 
+{
+	unsigned long current = millis();
+	if (current < last_read || current - last_read >= READ_INTERVAL)
+	{
+		UpdateDHTData();
+		last_read = current;
+	}
+	mb.task();
+	mb.Hreg(REGISTER_CURRENT_TEMP, cur_t);
+	mb.Hreg(REGISTER_CURRENT_HUM, cur_hum);
+}

thermo_sensor_v2.items

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+Group SENSOR_NAME_Weather "Weather (SENSOR_NAME)"
+Number SENSOR_NAME_t "SENSOR_NAME temperature [%.1f °C]" (SENSOR_NAME_Weather) <temperature> {channel="modbus:data:SENSOR_NAME:D:SENSOR_NAME_t:number"}
+Number SENSOR_NAME_h "SENSOR_NAME humidity [%.1f%%]" (SENSOR_NAME_Weather) <humidity> {channel="modbus:data:SENSOR_NAME:D:SENSOR_NAME_h:number"}

thermo_sensor_v2.things

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+Bridge modbus:tcp:SENSOR_NAME [ host="192.168.0.24", port=15000, id=1 ] {
+	Bridge poller D[start = 0, length = 2, type = "holding", refresh = 500] {
+		Thing data SENSOR_NAME_t[readStart = "0", readValueType = "int16", readTransform="JS(divide100.js)"]
+		Thing data SENSOR_NAME_h[readStart = "1", readValueType = "int16", readTransform="JS(divide100.js)"]
+	}
+}