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Add support for Grove sensor SHT31 #2400

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Add support for Grove sensor SHT31 #2400

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2 changes: 2 additions & 0 deletions platformio.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,7 @@ build_flags =
-D ENV_INCLUDE_BME280=1
-D ENV_INCLUDE_BMP280=1
-D ENV_INCLUDE_SHTC3=1
-D ENV_INCLUDE_SHT31=1
-D ENV_INCLUDE_SHT4X=1
-D ENV_INCLUDE_LPS22HB=1
-D ENV_INCLUDE_INA3221=1
Expand All @@ -146,6 +147,7 @@ lib_deps =
adafruit/Adafruit BME280 Library @ ^2.3.0
adafruit/Adafruit BMP280 Library @ ^2.6.8
adafruit/Adafruit SHTC3 Library @ ^1.0.1
adafruit/Adafruit SHT31 Library @ ^2.2.2
sensirion/Sensirion I2C SHT4x @ ^1.1.2
arduino-libraries/Arduino_LPS22HB @ ^1.0.2
adafruit/Adafruit MLX90614 Library @ ^2.1.5
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27 changes: 27 additions & 0 deletions src/helpers/sensors/EnvironmentSensorManager.cpp
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Expand Up @@ -83,6 +83,14 @@ static Adafruit_BMP280 BMP280(TELEM_WIRE);
static Adafruit_SHTC3 SHTC3;
#endif

#if ENV_INCLUDE_SHT31
#ifndef TELEM_SHT31_ADDRESS
#define TELEM_SHT31_ADDRESS 0x44 // SHT31 environmental sensor I2C address
#endif
#include <Adafruit_SHT31.h>
static Adafruit_SHT31 SHT31;
#endif

#if ENV_INCLUDE_SHT4X
#ifndef TELEM_SHT4X_ADDRESS
#define TELEM_SHT4X_ADDRESS 0x44
Expand Down Expand Up @@ -331,6 +339,21 @@ static void query_sht4x(uint8_t ch, uint8_t, CayenneLPP& lpp) {
}
#endif

#if ENV_INCLUDE_SHT31
static uint8_t init_sht3x(TwoWire* wire, uint8_t addr) {
return SHT31.begin(addr) ? 1 : 0;
}

static void query_sht3x(uint8_t ch, uint8_t, CayenneLPP& lpp) {
float temp, humidity;

if (SHT31.readBoth(&temp, &humidity)) {
lpp.addTemperature(ch, temp);
lpp.addRelativeHumidity(ch, humidity);
}
}
#endif

#if ENV_INCLUDE_LPS22HB
static uint8_t init_lps22hb(TwoWire*, uint8_t) {
// LPS22HBClass is constructed with the wire reference; begin() uses it.
Expand Down Expand Up @@ -570,9 +593,13 @@ static const SensorDef SENSOR_TABLE[] = {
#if ENV_INCLUDE_SHTC3
{ 0x70, "SHTC3", init_shtc3, query_shtc3 },
#endif

#if ENV_INCLUDE_SHT4X
{ TELEM_SHT4X_ADDRESS, "SHT4X", init_sht4x, query_sht4x },
#endif
#if ENV_INCLUDE_SHT31
{ TELEM_SHT31_ADDRESS, "SHT3X", init_sht3x, query_sht3x },
#endif
#if ENV_INCLUDE_LPS22HB
{ 0x5C, "LPS22HB", init_lps22hb, query_lps22hb },
#endif
Expand Down