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Ext Sens changed to HTU21D

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This commit is contained in:
lexa
2024-05-03 16:48:29 +03:00
parent 699a0c35bc
commit 28c963e8c3
3 changed files with 125 additions and 81 deletions
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184
ESP_Midroom2/src/main.cpp
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@@ -1,6 +1,7 @@
#include <Arduino.h>
//#include <Adafruit_AHTX0.h>
#include "DHTesp.h"
//#include "DHTesp.h"
#include <Wire.h>
#include <ArduinoOTA.h>
#include <Ticker.h>
#include <ESP8266WiFi.h>
@@ -10,6 +11,8 @@
#include <ESP8266WiFiMulti.h>
#include <ESP_EEPROM.h>
#include <PubSubClient.h>
#include <HTU2xD_SHT2x_Si70xx.h>
#include <MeteoFunctions.h>
#define WIFI_SSID "wf-home"
#define WIFI_PASSWORD "0ndthnrf"
@@ -25,12 +28,11 @@
#define LAMP_OUT (D5)
//Adafruit_AHTX0 aht;
DHTesp dht;
TempAndHumidity sTaH;
HTU2xD_SHT2x_SI70xx ht2x(HTU2xD_SENSOR, HUMD_12BIT_TEMP_14BIT); //sensor type, resolution
MeteoFunctions calc;
//sensors_event_t humidity, temp;
float temp_out, hum_out;
float temp_out, hum_out, windspeed, heatindex, dewpoint, apptemp;
WiFiClient espClient;
PubSubClient client(espClient);
@@ -44,6 +46,7 @@ void onWifiConnect(const WiFiEventStationModeGotIP& event);
void onWifiDisconnect(const WiFiEventStationModeDisconnected& event);
void callback(char* topic, byte* payload, unsigned int length);
void reconnect();
boolean getTiH(void);
unsigned long stled;
float wMins = 0;
@@ -56,6 +59,8 @@ AsyncWebServer server(80);
void setup() {
Serial.begin(9600);
//Wire.begin(); // This function initializes the Wire library
WiFi.mode(WIFI_STA);
WiFi.persistent(false);
WiFi.hostname(HOSTNAME);
@@ -98,33 +103,41 @@ void setup() {
pinMode(LED_MQ, OUTPUT);
pinMode(LED_WRK, OUTPUT);
pinMode(LAMP_OUT, OUTPUT);
dht.setup(D1, DHTesp::DHT22);
delay(dht.getMinimumSamplingPeriod());
sTaH = dht.getTempAndHumidity();
if(dht.getStatus() == dht.ERROR_NONE){
temp_out = sTaH.temperature - 2.0;
hum_out = sTaH.humidity;
}
// if (! aht.begin()) {
// Serial.println("Could not find AHT? Check wiring");
// aht_pesent = false;
// } else{
// if(aht.getEvent(&humidity, &temp)){
// temp_out = temp.temperature;
// hum_out = humidity.relative_humidity;
// }
// aht_pesent = true;
connectToWifi();
// while (ht2x.begin() != true) //reset sensor, set heater off, set resolution, check power (sensor doesn't operate correctly if VDD < +2.25v)
// {
// //Serial.println(F("HTU2xD/SHT2x not connected, fail or VDD < +2.25v")); //(F()) save string to flash & keeps dynamic memory free
// digitalWrite(LED_WF, LOW);
// delay(500);
// }
// digitalWrite(LED_WF, HIGH);
//ht2x.begin();
temp_out = NAN;
hum_out = NAN;
ht2x.begin();
getTiH();
////////////////////////////////
// dht.setup(D1, DHTesp::DHT22);
// delay(dht.getMinimumSamplingPeriod());
// sTaH = dht.getTempAndHumidity();
// if(dht.getStatus() == dht.ERROR_NONE){
// temp_out = sTaH.temperature - 2.0;
// hum_out = sTaH.humidity;
// }
////////////////////////////////
EEPROM.begin(4);
EEPROM.get(0, led_intense);
Serial.print("Led intense: ");
Serial.println(int(led_intense / 2.55));
connectToWifi();
stled = millis();
WebSerial.begin(&server);
/* Attach Message Callback */
server.begin();
windspeed = 0;
}
void loop() {
@@ -132,7 +145,6 @@ void loop() {
static byte bSecs = 0;
char v[10];
static unsigned long ledTime = 0;
float fTemp;
ArduinoOTA.handle();
if(!client.connected()) reconnect();
@@ -149,71 +161,28 @@ void loop() {
if(stled + 300 < millis()){
digitalWrite(LED_WRK, HIGH);
}
if(cRun + 2000 <= millis()){
if(cRun + 10000 <= millis()){
cRun = millis();
Serial.println(bSecs);
sTaH = dht.getTempAndHumidity();
if(dht.getStatus() == dht.ERROR_NONE){
fTemp = sTaH.temperature - 2.0;
temp_out += (fTemp - temp_out) / 150.0;
hum_out += (sTaH.humidity - hum_out) / 150.0;
WebSerial.print("Temp: ");
WebSerial.print(fTemp);
WebSerial.print(", Hum: ");
WebSerial.println(sTaH.humidity);
if(bSecs == 29){
bSecs = 0;
WebSerial.println("10 sec");
if(getTiH()){
//if(bSecs == 3){
//bSecs = 0;
digitalWrite(LED_WRK, LOW);
sprintf(v, "%.1f", temp_out);
client.publish(TOPIC"tempout", v);
sprintf(v, "%.1f", hum_out);
client.publish(TOPIC"humout", v);
sprintf(v, "%.1f", dht.computeHeatIndex(temp_out, hum_out));
sprintf(v, "%.1f", heatindex);
client.publish(TOPIC"heatindex", v);
sprintf(v, "%.1f", dht.computeDewPoint(temp_out, hum_out));
sprintf(v, "%.1f", dewpoint);
client.publish(TOPIC"dewpoint", v);
ComfortState cs;
dht.getComfortRatio(cs, temp_out, hum_out);
String comfortStatus;
switch(cs) {
case Comfort_OK:
comfortStatus = "Нормально";
break;
case Comfort_TooHot:
comfortStatus = "Очень жарко";
break;
case Comfort_TooCold:
comfortStatus = "Очень холодно";
break;
case Comfort_TooDry:
comfortStatus = "Очень сухо";
break;
case Comfort_TooHumid:
comfortStatus = "Очень влажно";
break;
case Comfort_HotAndHumid:
comfortStatus = "Жарко и влажно";
break;
case Comfort_HotAndDry:
comfortStatus = "Жарко и сухо";
break;
case Comfort_ColdAndHumid:
comfortStatus = "Холодно и влажно}";
break;
case Comfort_ColdAndDry:
comfortStatus = "Холодно и сухо";
break;
default:
comfortStatus = "Неизвестно";
break;
};
client.publish(TOPIC"comfortstatus", comfortStatus.c_str());
byte hp = dht.computePerception(temp_out, hum_out);
itoa(hp, v, 10);
client.publish(TOPIC"perception", v);
}
sprintf(v, "%.1f", apptemp);
client.publish(TOPIC"appTemp", v);
//}
}
if((bSecs % 15) == 0){
if(bSecs == 3){
bSecs = 0;
wMins += 0.5;
Serial.println("halfMinTick");
sprintf(v, "%.1f", wMins);
@@ -272,6 +241,9 @@ void callback(char* topic, byte* payload, unsigned int length) {
EEPROM.commit();
if (led) analogWrite(LAMP_OUT, led_intense);
}
if(strcmp(topic, TOPIC"windspeed") == 0){
windspeed = strtof(val, NULL);
}
}
void reconnect() {
@@ -288,6 +260,7 @@ void reconnect() {
client.publish(TOPIC"online", "1");
client.subscribe(TOPIC"light");
client.subscribe(TOPIC"ledint");
client.subscribe(TOPIC"windspeed");
char vout[7];
sprintf(vout, "%.1f", temp_out);
client.publish(TOPIC"tempout", vout);
@@ -303,3 +276,56 @@ void reconnect() {
}
digitalWrite(LED_MQ, HIGH);
}
boolean getTiH(void)
{
float htValue, fTemp;
htValue = ht2x.readTemperature(); //accuracy +-0.3C in range 0C..60C at 14-bit
Serial.print(F("Temperature...............: "));
if (htValue != HTU2XD_SHT2X_SI70XX_ERROR) //HTU2XD_SHT2X_SI70XX_ERROR = 255, library returns 255 if error occurs
{
Serial.print(htValue);
Serial.println(F(" +-0.3C"));
fTemp = htValue;
}
else
{
Serial.println(F("<error>"));
ht2x.softReset(); //last chance to make it alive, all registers (except heater bit) will set to default
ht2x.setHeater(false); //true=heater on, false=heater off
ht2x.setResolution(HUMD_12BIT_TEMP_14BIT); //humidity 12-bit, temperature 14-bit
WebSerial.println("HTU Bad");
return false;
}
if (htValue != HTU2XD_SHT2X_SI70XX_ERROR) //if temperature OK, measure RH & calculate compensated humidity
{
htValue = ht2x.getCompensatedHumidity(htValue); //accuracy +-2% in range 0%..100%/0C..80C at 12-bit, to compensates influence of T on RH
if (htValue != HTU2XD_SHT2X_SI70XX_ERROR)
{
Serial.print(htValue);
Serial.println(F(" +-2%"));
hum_out = htValue;
}
}
if (htValue != HTU2XD_SHT2X_SI70XX_ERROR)
{
if (!isnan(temp_out))
temp_out += (fTemp - temp_out) / 30.0;
else
temp_out = fTemp;
if (!isnan(hum_out))
hum_out += (htValue - hum_out) / 30.0;
else
hum_out = htValue;
heatindex = calc.heatIndex_c(temp_out, hum_out);
dewpoint = calc.dewPoint_c(temp_out, hum_out);
apptemp = calc.apparentTemp_c(temp_out, hum_out, windspeed);
WebSerial.print("Temp: ");
WebSerial.print(fTemp);
WebSerial.print(", Hum: ");
WebSerial.println(htValue);
}
return true;
}