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SHT31

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This commit is contained in:
lexa
2024-08-12 17:33:16 +03:00
parent 778310dec3
commit 26d6b6dab1
2 changed files with 46 additions and 127 deletions
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168
ESP_Midroom2/src/main.cpp
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@@ -1,6 +1,4 @@
#include <Arduino.h>
//#include <Adafruit_AHTX0.h>
//#include "DHTesp.h"
#include <Wire.h>
#include <ArduinoOTA.h>
#include <Ticker.h>
@@ -8,17 +6,15 @@
#include <ESPAsyncTCP.h>
#include <ESPAsyncWebServer.h>
#include <WebSerial.h>
#include <ESP8266WiFiMulti.h>
#include <ESP_EEPROM.h>
#include <PubSubClient.h>
#include <HTU2xD_SHT2x_Si70xx.h>
//#include "SHT31.h"
//#include <HTU2xD_SHT2x_Si70xx.h>
#include <MeteoFunctions.h>
#include "SPI.h"
#include "Adafruit_SHT31.h"
#define WIFI_SSID "wf-home"
#define WIFI_PASSWORD "0ndthnrf"
#define WIFI_SSID2 "BR"
#define WIFI_PASSWORD2 "499727479o"
#define MQTT_SERV "192.168.1.111"
#define TOPIC "home/midroom/bed/"
#define HOSTNAME "ESP_Midroom2"
@@ -29,10 +25,9 @@
#define LAMP_OUT (D5)
#define SHT31_ADDRESS 0x44
//SHT31 sht;
HTU2xD_SHT2x_SI70xx ht2x(HTU2xD_SENSOR, HUMD_12BIT_TEMP_14BIT); //sensor type, resolution
MeteoFunctions calc;
MeteoFunctions calc;
Adafruit_SHT31 sht31 = Adafruit_SHT31();
float temp_out, hum_out, windspeed, heatindex, dewpoint, apptemp;
@@ -56,7 +51,6 @@ bool led, aht_pesent;
uint8_t led_intense;
uint8_t ledLev;
ESP8266WiFiMulti wifiMulti;
AsyncWebServer server(80);
void setup() {
@@ -66,8 +60,6 @@ void setup() {
WiFi.mode(WIFI_STA);
WiFi.persistent(false);
WiFi.hostname(HOSTNAME);
//wifiMulti.addAP(WIFI_SSID, WIFI_PASSWORD);
//wifiMulti.addAP(WIFI_SSID2, WIFI_PASSWORD2);
client.setServer(MQTT_SERV, 1883);
client.setCallback(callback);
@@ -110,40 +102,21 @@ void setup() {
//delay(5000);
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);
if (! sht31.begin(0x44)) { // Set to 0x45 for alternate i2c addr
Serial.println("Couldn't find SHT31");
while (1) delay(1);
}
// delay(500);
// }
digitalWrite(LED_WF, HIGH);
ht2x.begin();
Serial.print("Heater Enabled State: ");
if (sht31.isHeaterEnabled())
Serial.println("ENABLED");
else
Serial.println("DISABLED");
temp_out = NAN;
hum_out = NAN;
// if(!sht.begin()){
// Serial.println("SHT not ready");
// }
// uint16_t stat = sht.readStatus();
// Serial.print(stat, HEX);
// //delay(500);
// sht.read(false);
// temp_out = sht.getTemperature();
// hum_out = sht.getRawHumidity();
// sht.requestData();
//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: ");
@@ -211,7 +184,6 @@ void loop() {
void connectToWifi() {
Serial.println("Connecting to Wi-Fi...");
//wifiMulti.run();
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
}
@@ -296,91 +268,37 @@ void reconnect() {
boolean getTiH(void)
{
float htValue, fTemp;
// uint16_t stat = sht.readStatus();
// WebSerial.println(stat, HEX);
// int error = sht.getError();
// WebSerial.println(error, HEX);
// if (!sht.isConnected()){
// WebSerial.println("SHT Not Connected");
// return false;
// }
// if(sht.dataReady()){
// bool success = sht.readData();
// sht.requestData();
// if (success){
// htValue = sht.getTemperature();
// fTemp = htValue;
// if (!isnan(temp_out))
// temp_out += (htValue - temp_out) / 30.0;
// else
// temp_out = htValue;
// htValue = sht.getHumidity();
// 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;
// }
// else{
// WebSerial.print("No data");
// }
// }
// return false;
htValue = ht2x.readTemperature(); //accuracy +-0.3C in range 0C..60C at 14-bit
Serial.print("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("<error>");
//ht2x.begin();
float t = sht31.readTemperature();
float h = sht31.readHumidity();
//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");
if (! isnan(t)) { // check if 'is not a number'
Serial.print("Temp *C = "); Serial.print(t); Serial.print("\t\t");
WebSerial.printf("Temp *C = %.2f", t);
if (!isnan(temp_out))
temp_out += (t - temp_out) / 30.0;
else
temp_out = t;
} else {
Serial.println("Failed to read temperature");
WebSerial.println("Failed to read temperature");
return false;
}
if (htValue != HTU2XD_SHT2X_SI70XX_ERROR) //if temperature OK, measure RH & calculate compensated humidity
{
htValue = ht2x.readHumidity();// 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(" +-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(h)) { // check if 'is not a number'
Serial.print("Hum. % = "); Serial.println(h);
WebSerial.printf("Hum. %% = %.2f\n", h);
if (!isnan(hum_out))
hum_out += (htValue - hum_out) / 30.0;
hum_out += (h - 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);
hum_out = h;
} else {
Serial.println("Failed to read humidity");
WebSerial.println("Failed to read humidity");
return false;
}
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);
return true;
}
}