Add detection support for LTR390UV Sensor (#6009)

* Add detection support for LTR390UV Sensor

The LTR390 is a UV sensor. This patch adds detection support, for
a future patch that will add the full sensor support.

* Update ScanI2C.h

src/configuration.h

@@ -151,6 +151,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define MAX30102_ADDR 0x57
 #define MLX90614_ADDR_DEF 0x5A
 #define CGRADSENS_ADDR 0x66
+#define LTR390UV_ADDR 0x53
 
 // -----------------------------------------------------------------------------
 // ACCELEROMETER

src/detect/ScanI2C.h

@@ -68,6 +68,7 @@ class ScanI2C
         NXP_SE050,
         DFROBOT_RAIN,
         DPS310,
+        LTR390UV,
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;

src/detect/ScanI2CTwoWire.cpp

@@ -427,6 +427,7 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                 SCAN_SIMPLE_CASE(NAU7802_ADDR, NAU7802, "NAU7802", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(MAX1704X_ADDR, MAX17048, "MAX17048", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(DFROBOT_RAIN_ADDR, DFROBOT_RAIN, "DFRobot Rain Gauge", (uint8_t)addr.address);
+                SCAN_SIMPLE_CASE(LTR390UV_ADDR, LTR390UV, "LTR390UV", (uint8_t)addr.address);
 #ifdef HAS_TPS65233
                 SCAN_SIMPLE_CASE(TPS65233_ADDR, TPS65233, "TPS65233", (uint8_t)addr.address);
 #endif

src/main.cpp

@@ -641,6 +641,7 @@ void setup()
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::MAX30102, meshtastic_TelemetrySensorType_MAX30102);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::CGRADSENS, meshtastic_TelemetrySensorType_RADSENS);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::DFROBOT_RAIN, meshtastic_TelemetrySensorType_DFROBOT_RAIN);
+    scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::LTR390UV, meshtastic_TelemetrySensorType_LTR390UV);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::DPS310, meshtastic_TelemetrySensorType_DPS310);
 
     i2cScanner.reset();