diff --git a/platformio.ini b/platformio.ini
index f3cf9f937..4461d1a5f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -105,4 +105,5 @@ lib_deps =
adafruit/Adafruit INA260 Library@^1.5.0
adafruit/Adafruit INA219@^1.2.0
adafruit/Adafruit SHTC3 Library@^1.0.0
- adafruit/Adafruit LPS2X@^2.0.4
\ No newline at end of file
+ adafruit/Adafruit LPS2X@^2.0.4
+ adafruit/Adafruit SHT31 Library@^2.2.0
diff --git a/src/configuration.h b/src/configuration.h
index e68bd8d16..67862609a 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -114,6 +114,7 @@ along with this program. If not, see .
#define SHTC3_ADDR 0x70
#define LPS22HB_ADDR 0x5C
#define LPS22HB_ADDR_ALT 0x5D
+#define SHT31_ADDR 0x44
// -----------------------------------------------------------------------------
// Security
diff --git a/src/detect/i2cScan.h b/src/detect/i2cScan.h
index 4eac50f03..940ebb100 100644
--- a/src/detect/i2cScan.h
+++ b/src/detect/i2cScan.h
@@ -191,6 +191,10 @@ void scanI2Cdevice()
nodeTelemetrySensorsMap[TelemetrySensorType_MCP9808] = addr;
DEBUG_MSG("MCP9808 sensor found\n");
}
+ if (addr == SHT31_ADDR) {
+ DEBUG_MSG("SHT31 sensor found\n");
+ nodeTelemetrySensorsMap[TelemetrySensorType_SHT31] = addr;
+ }
if (addr == SHTC3_ADDR) {
DEBUG_MSG("SHTC3 sensor found\n");
nodeTelemetrySensorsMap[TelemetrySensorType_SHTC3] = addr;
diff --git a/src/modules/Telemetry/EnvironmentTelemetry.cpp b/src/modules/Telemetry/EnvironmentTelemetry.cpp
index cd5cd03bc..7668a1f19 100644
--- a/src/modules/Telemetry/EnvironmentTelemetry.cpp
+++ b/src/modules/Telemetry/EnvironmentTelemetry.cpp
@@ -20,6 +20,7 @@
#include "Sensor/INA219Sensor.h"
#include "Sensor/SHTC3Sensor.h"
#include "Sensor/LPS22HBSensor.h"
+#include "Sensor/SHT31Sensor.h"
BMP280Sensor bmp280Sensor;
BME280Sensor bme280Sensor;
@@ -29,6 +30,7 @@ INA260Sensor ina260Sensor;
INA219Sensor ina219Sensor;
SHTC3Sensor shtc3Sensor;
LPS22HBSensor lps22hbSensor;
+SHT31Sensor sht31Sensor;
#define FAILED_STATE_SENSOR_READ_MULTIPLIER 10
#define DISPLAY_RECEIVEID_MEASUREMENTS_ON_SCREEN true
@@ -93,6 +95,8 @@ int32_t EnvironmentTelemetryModule::runOnce()
if (lps22hbSensor.hasSensor()) {
result = lps22hbSensor.runOnce();
}
+ if (sht31Sensor.hasSensor())
+ result = sht31Sensor.runOnce();
}
return result;
} else {
@@ -211,6 +215,8 @@ bool EnvironmentTelemetryModule::sendTelemetry(NodeNum dest, bool phoneOnly)
m.variant.environment_metrics.temperature = 0;
m.variant.environment_metrics.voltage = 0;
+ if (sht31Sensor.hasSensor())
+ sht31Sensor.getMetrics(&m);
if (lps22hbSensor.hasSensor())
lps22hbSensor.getMetrics(&m);
if (shtc3Sensor.hasSensor())
diff --git a/src/modules/Telemetry/Sensor/SHT31Sensor.cpp b/src/modules/Telemetry/Sensor/SHT31Sensor.cpp
new file mode 100644
index 000000000..94591e6cb
--- /dev/null
+++ b/src/modules/Telemetry/Sensor/SHT31Sensor.cpp
@@ -0,0 +1,31 @@
+#include "../mesh/generated/telemetry.pb.h"
+#include "configuration.h"
+#include "TelemetrySensor.h"
+#include "SHT31Sensor.h"
+#include
+
+SHT31Sensor::SHT31Sensor() :
+ TelemetrySensor(TelemetrySensorType_SHT31, "SHT31")
+{
+}
+
+int32_t SHT31Sensor::runOnce() {
+ DEBUG_MSG("Init sensor: %s\n", sensorName);
+ if (!hasSensor()) {
+ return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
+ }
+ status = sht31.begin();
+ return initI2CSensor();
+}
+
+void SHT31Sensor::setup()
+{
+ // Set up oversampling and filter initialization
+}
+
+bool SHT31Sensor::getMetrics(Telemetry *measurement) {
+ measurement->variant.environment_metrics.temperature = sht31.readTemperature();
+ measurement->variant.environment_metrics.relative_humidity = sht31.readHumidity();
+
+ return true;
+}
diff --git a/src/modules/Telemetry/Sensor/SHT31Sensor.h b/src/modules/Telemetry/Sensor/SHT31Sensor.h
new file mode 100644
index 000000000..5f236e21e
--- /dev/null
+++ b/src/modules/Telemetry/Sensor/SHT31Sensor.h
@@ -0,0 +1,16 @@
+#include "../mesh/generated/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include
+
+class SHT31Sensor : virtual public TelemetrySensor {
+private:
+ Adafruit_SHT31 sht31 = Adafruit_SHT31();
+
+protected:
+ virtual void setup() override;
+
+public:
+ SHT31Sensor();
+ virtual int32_t runOnce() override;
+ virtual bool getMetrics(Telemetry *measurement) override;
+};