MLX90632 IR temperature sensor support (#4019)

platformio.ini

@@ -138,3 +138,4 @@ lib_deps =
   adafruit/Adafruit SHT4x Library@^1.0.4
   adafruit/Adafruit TSL2591 Library@^1.4.5
   ClosedCube OPT3001@^1.1.2
+  emotibit/EmotiBit MLX90632@^1.0.8

src/configuration.h

@@ -132,8 +132,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RCWL9620_ADDR 0x57
 #define VEML7700_ADDR 0x10
 #define TSL25911_ADDR 0x29
-#define OPT3001_ADDRESS 0x45
-#define OPT3001_ADDRESS_ALT 0x44
+#define OPT3001_ADDR 0x45
+#define OPT3001_ADDR_ALT 0x44
+#define MLX90632_ADDR 0x3A
 
 // -----------------------------------------------------------------------------
 // ACCELEROMETER

src/detect/ScanI2C.h

@@ -47,6 +47,7 @@ class ScanI2C
         NCP5623,
         TSL2591,
         OPT3001,
+        MLX90632,
         AHT10,
     } DeviceType;
 

src/detect/ScanI2CTwoWire.cpp

@@ -346,7 +346,8 @@ void ScanI2CTwoWire::scanPort(I2CPort port)
                 SCAN_SIMPLE_CASE(TCA9555_ADDR, TCA9555, "TCA9555 I2C expander found\n");
                 SCAN_SIMPLE_CASE(VEML7700_ADDR, VEML7700, "VEML7700 light sensor found\n");
                 SCAN_SIMPLE_CASE(TSL25911_ADDR, TSL2591, "TSL2591 light sensor found\n");
-                SCAN_SIMPLE_CASE(OPT3001_ADDRESS, OPT3001, "OPT3001 light sensor found\n");
+                SCAN_SIMPLE_CASE(OPT3001_ADDR, OPT3001, "OPT3001 light sensor found\n");
+                SCAN_SIMPLE_CASE(MLX90632_ADDR, MLX90632, "MLX90632 IR temp sensor found\n");
 
             default:
                 LOG_INFO("Device found at address 0x%x was not able to be enumerated\n", addr.address);

src/main.cpp

@@ -535,6 +535,7 @@ void setup()
     SCANNER_TO_SENSORS_MAP(ScanI2C::DeviceType::VEML7700, meshtastic_TelemetrySensorType_VEML7700)
     SCANNER_TO_SENSORS_MAP(ScanI2C::DeviceType::TSL2591, meshtastic_TelemetrySensorType_TSL25911FN)
     SCANNER_TO_SENSORS_MAP(ScanI2C::DeviceType::OPT3001, meshtastic_TelemetrySensorType_OPT3001)
+    SCANNER_TO_SENSORS_MAP(ScanI2C::DeviceType::MLX90632, meshtastic_TelemetrySensorType_MLX90632)
     SCANNER_TO_SENSORS_MAP(ScanI2C::DeviceType::SHT4X, meshtastic_TelemetrySensorType_SHT4X)
     SCANNER_TO_SENSORS_MAP(ScanI2C::DeviceType::AHT10, meshtastic_TelemetrySensorType_AHT10)
 

src/modules/Telemetry/EnvironmentTelemetry.cpp

@@ -25,6 +25,7 @@
 #include "Sensor/BMP280Sensor.h"
 #include "Sensor/LPS22HBSensor.h"
 #include "Sensor/MCP9808Sensor.h"
+#include "Sensor/MLX90632Sensor.h"
 #include "Sensor/OPT3001Sensor.h"
 #include "Sensor/RCWL9620Sensor.h"
 #include "Sensor/SHT31Sensor.h"
@@ -47,6 +48,7 @@ OPT3001Sensor opt3001Sensor;
 SHT4XSensor sht4xSensor;
 RCWL9620Sensor rcwl9620Sensor;
 AHT10Sensor aht10Sensor;
+MLX90632Sensor mlx90632Sensor;
 
 #define FAILED_STATE_SENSOR_READ_MULTIPLIER 10
 #define DISPLAY_RECEIVEID_MEASUREMENTS_ON_SCREEN true
@@ -117,6 +119,8 @@ int32_t EnvironmentTelemetryModule::runOnce()
                 result = rcwl9620Sensor.runOnce();
             if (aht10Sensor.hasSensor())
                 result = aht10Sensor.runOnce();
+            if (mlx90632Sensor.hasSensor())
+                result = mlx90632Sensor.runOnce();
         }
         return result;
     } else {
@@ -307,6 +311,10 @@ bool EnvironmentTelemetryModule::sendTelemetry(NodeNum dest, bool phoneOnly)
         valid = valid && opt3001Sensor.getMetrics(&m);
         hasSensor = true;
     }
+    if (mlx90632Sensor.hasSensor()) {
+        valid = valid && mlx90632Sensor.getMetrics(&m);
+        hasSensor = true;
+    }
     if (rcwl9620Sensor.hasSensor()) {
         valid = valid && rcwl9620Sensor.getMetrics(&m);
         hasSensor = true;

src/modules/Telemetry/Sensor/MLX90632Sensor.cpp

@@ -0,0 +1,40 @@
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "MLX90632Sensor.h"
+#include "TelemetrySensor.h"
+
+MLX90632Sensor::MLX90632Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_MLX90632, "MLX90632") {}
+
+int32_t MLX90632Sensor::runOnce()
+{
+    LOG_INFO("Init sensor: %s\n", sensorName);
+    if (!hasSensor()) {
+        return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
+    }
+
+    MLX90632::status returnError;
+    if (mlx.begin(nodeTelemetrySensorsMap[sensorType].first, *nodeTelemetrySensorsMap[sensorType].second, returnError) ==
+        true) // MLX90632 init
+    {
+        LOG_DEBUG("MLX90632 Init Succeed\n");
+        status = true;
+    } else {
+        LOG_ERROR("MLX90632 Init Failed\n");
+        status = false;
+    }
+    return initI2CSensor();
+}
+
+void MLX90632Sensor::setup() {}
+
+bool MLX90632Sensor::getMetrics(meshtastic_Telemetry *measurement)
+{
+    measurement->variant.environment_metrics.temperature = mlx.getObjectTemp(); // Get the object temperature in Fahrenheit
+
+    return true;
+}
+
+#endif

src/modules/Telemetry/Sensor/MLX90632Sensor.h

@@ -0,0 +1,23 @@
+#include "configuration.h"
+
+#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
+
+#include "../mesh/generated/meshtastic/telemetry.pb.h"
+#include "TelemetrySensor.h"
+#include <SparkFun_MLX90632_Arduino_Library.h>
+
+class MLX90632Sensor : public TelemetrySensor
+{
+  private:
+    MLX90632 mlx = MLX90632();
+
+  protected:
+    virtual void setup() override;
+
+  public:
+    MLX90632Sensor();
+    virtual int32_t runOnce() override;
+    virtual bool getMetrics(meshtastic_Telemetry *measurement) override;
+};
+
+#endif