Add rak12035 VB Soil Monitor Tested & Working

.trunk/trunk.yaml

@@ -8,6 +8,7 @@ plugins:
       uri: https://github.com/trunk-io/plugins
 lint:
   enabled:
+    - [email protected]
     - [email protected]
     - [email protected]
     - [email protected]

src/configuration.h

@@ -188,6 +188,15 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // -----------------------------------------------------------------------------
 #define FT6336U_ADDR 0x48
 
+// -----------------------------------------------------------------------------
+// RAK12035VB Soil Monitor (using RAK12023 up to 3 RAK12035 monitors can be connected)
+// - the default i2c address for this sensor is 0x20, and users are instructed to
+// set 0x21 and 0x22 for the second and third sensor if present.
+// -----------------------------------------------------------------------------
+#define RAK120351_ADDR 0x20
+#define RAK120352_ADDR 0x21
+#define RAK120353_ADDR 0x22
+
 // -----------------------------------------------------------------------------
 // BIAS-T Generator
 // -----------------------------------------------------------------------------

src/detect/ScanI2C.h

@@ -70,6 +70,7 @@ class ScanI2C
         DFROBOT_RAIN,
         DPS310,
         LTR390UV,
+        RAK12035,
         TCA8418KB,
     } DeviceType;
 

src/detect/ScanI2CTwoWire.cpp

@@ -423,9 +423,21 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                     logFoundDevice("BMA423", (uint8_t)addr.address);
                 }
                 break;
+            case TCA9535_ADDR:
+            case RAK120352_ADDR:
+            case RAK120353_ADDR:
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x02), 1);
+                if (registerValue == addr.address) { // RAK12035 returns its I2C address at 0x02 (eg 0x20)
+                    type = RAK12035;
+                    logFoundDevice("RAK12035", (uint8_t)addr.address);
+                } else {
+                    type = TCA9535;
+                    logFoundDevice("TCA9535", (uint8_t)addr.address);
+                }
+
+                break;
 
                 SCAN_SIMPLE_CASE(LSM6DS3_ADDR, LSM6DS3, "LSM6DS3", (uint8_t)addr.address);
-                SCAN_SIMPLE_CASE(TCA9535_ADDR, TCA9535, "TCA9535", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(TCA9555_ADDR, TCA9555, "TCA9555", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(VEML7700_ADDR, VEML7700, "VEML7700", (uint8_t)addr.address);
                 SCAN_SIMPLE_CASE(TSL25911_ADDR, TSL2591, "TSL2591", (uint8_t)addr.address);

src/main.cpp

@@ -732,6 +732,7 @@ void setup()
     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);
+    scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::RAK12035, meshtastic_TelemetrySensorType_RAK12035);
 
     i2cScanner.reset();
 #endif