Initial versiob

2022-09-07 23:11:20 +03:00
commit 9075fb1c03
6 changed files with 127 additions and 0 deletions
@@ -0,0 +1,81 @@
+#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);
+}