Changes

lib/INA233/INA233.cpp

@@ -23,6 +23,33 @@ uint16_t get_word(uint8_t address, uint8_t reg) {
     return (data[1] << 8) | data[0];
 }
 
+char* INA233::print_device_number() {
+    char data[6];
+    int16_t rawVoltage;
+
+    // Request data from the PMBus device
+    Wire.beginTransmission(INA233::_address);
+    Wire.write(0x9A);
+    Wire.endTransmission();
+    Wire.requestFrom(INA233::_address, 6);
+
+    if (Wire.available() == 6) {
+        data[0] = Wire.read();
+        data[1] = Wire.read();
+        data[2] = Wire.read();
+        data[3] = Wire.read();
+        data[4] = Wire.read();
+        data[5] = Wire.read();
+    } else {
+        // return 0 on error
+        data[0] = '\0';
+        return data;
+    }
+
+    // Combine the two bytes into a single 16-bit value
+    return data;
+}
+
 
 void sendWord(uint8_t deviceAddress, uint8_t registerAddress, uint16_t value) {
   Wire.beginTransmission(deviceAddress);