Add detection code for INA226 (meshtastic#5605)

INA226 is a high accuracy current and voltage sensor.
tavdog · Dec 21, 2024 · 5fed679 · 5fed679
1 parent 58d80b8
commit 5fed679
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Showing 3 changed files with 14 additions and 4 deletions.
diff --git a/src/detect/ScanI2C.h b/src/detect/ScanI2C.h
@@ -63,7 +63,8 @@ class ScanI2C
         MAX30102,
         TPS65233,
         MPR121KB,
-        CGRADSENS
+        CGRADSENS,
+        INA226
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;
@@ -127,4 +128,4 @@ class ScanI2C
 
   private:
     bool shouldSuppressScreen = false;
-};
+};
diff --git a/src/detect/ScanI2CTwoWire.cpp b/src/detect/ScanI2CTwoWire.cpp
@@ -250,8 +250,16 @@ void ScanI2CTwoWire::scanPort(I2CPort port, uint8_t *address, uint8_t asize)
                 registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2);
                 LOG_DEBUG("Register MFG_UID: 0x%x", registerValue);
                 if (registerValue == 0x5449) {
-                    logFoundDevice("INA260", (uint8_t)addr.address);
-                    type = INA260;
+                    registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFF), 2);
+                    LOG_DEBUG("Register DIE_UID: 0x%x", registerValue);
+
+                    if (registerValue == 0x2260) {
+                        logFoundDevice("INA226", (uint8_t)addr.address);
+                        type = INA226;
+                    } else {
+                        logFoundDevice("INA260", (uint8_t)addr.address);
+                        type = INA260;
+                    }
                 } else { // Assume INA219 if INA260 ID is not found
                     logFoundDevice("INA219", (uint8_t)addr.address);
                     type = INA219;

diff --git a/src/main.cpp b/src/main.cpp
@@ -579,6 +579,7 @@ void setup()
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::BMP_3XX, meshtastic_TelemetrySensorType_BMP3XX);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::BMP_085, meshtastic_TelemetrySensorType_BMP085);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::INA260, meshtastic_TelemetrySensorType_INA260);
+    scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::INA226, meshtastic_TelemetrySensorType_INA226);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::INA219, meshtastic_TelemetrySensorType_INA219);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::INA3221, meshtastic_TelemetrySensorType_INA3221);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::MAX17048, meshtastic_TelemetrySensorType_MAX17048);