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SHT31

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This commit is contained in:
lexa
2024-07-14 12:39:12 +03:00
parent b0a7067383
commit 32cba61fc0
2 changed files with 110 additions and 54 deletions
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1
ESP_Midroom2/platformio.ini
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@@ -28,3 +28,4 @@ lib_deps =
#beegee-tokyo/DHT sensor library for ESPx @ ^1.19
https://github.com/enjoyneering/HTU2xD_SHT2x_Si70xx.git
https://github.com/pilotak/MeteoFunctions.git
https://github.com/RobTillaart/SHT31.git

161
ESP_Midroom2/src/main.cpp
View File

@@ -12,6 +12,7 @@
#include <ESP_EEPROM.h>
#include <PubSubClient.h>
#include <HTU2xD_SHT2x_Si70xx.h>
#include "SHT31.h"
#include <MeteoFunctions.h>
#define WIFI_SSID "wf-home"
@@ -27,8 +28,9 @@
#define LED_WRK (D3)
#define LAMP_OUT (D5)
HTU2xD_SHT2x_SI70xx ht2x(HTU2xD_SENSOR, HUMD_12BIT_TEMP_14BIT); //sensor type, resolution
#define SHT31_ADDRESS 0x44
SHT31 sht(SHT31_ADDRESS);
//HTU2xD_SHT2x_SI70xx ht2x(HTU2xD_SENSOR, HUMD_12BIT_TEMP_14BIT); //sensor type, resolution
MeteoFunctions calc;
@@ -70,7 +72,7 @@ void setup() {
client.setServer(MQTT_SERV, 1883);
client.setCallback(callback);
client.setKeepAlive(20);
#pragma region
ArduinoOTA.onStart([]() {
Serial.println("ArduinoOTA start");
});
@@ -94,6 +96,7 @@ void setup() {
Serial.println("End Failed");
}
});
#pragma endregion
ArduinoOTA.begin();
wifiConnectHandler = WiFi.onStationModeGotIP(onWifiConnect);
@@ -104,6 +107,7 @@ void setup() {
pinMode(LED_WRK, OUTPUT);
pinMode(LAMP_OUT, OUTPUT);
//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)
@@ -113,12 +117,25 @@ void setup() {
// delay(500);
// }
// digitalWrite(LED_WF, HIGH);
digitalWrite(LED_WF, HIGH);
//ht2x.begin();
temp_out = NAN;
hum_out = NAN;
ht2x.begin();
getTiH();
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();
//ht2x.begin();
//getTiH();
////////////////////////////////
// dht.setup(D1, DHTesp::DHT22);
// delay(dht.getMinimumSamplingPeriod());
@@ -158,7 +175,7 @@ void loop() {
analogWrite(LAMP_OUT, ledLev);
}
}
if(stled + 300 < millis()){
if(stled + 500 < millis()){
digitalWrite(LED_WRK, HIGH);
}
if(cRun + 10000 <= millis()){
@@ -170,9 +187,9 @@ void loop() {
//bSecs = 0;
digitalWrite(LED_WRK, LOW);
sprintf(v, "%.1f", temp_out);
client.publish(TOPIC"tempout", v);
//client.publish(TOPIC"tempout", v);
sprintf(v, "%.1f", hum_out);
client.publish(TOPIC"humout", v);
//client.publish(TOPIC"humout", v);
sprintf(v, "%.1f", heatindex);
client.publish(TOPIC"heatindex", v);
sprintf(v, "%.1f", dewpoint);
@@ -280,52 +297,90 @@ void reconnect() {
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");
// 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 (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(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");
}
}
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;
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();
// //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.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(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;
}