i2c_spi_buses:Support devices that may change address

platforms/common/i2c_spi_buses.cpp

@@ -683,7 +683,7 @@ void I2CSPIDriverBase::print_status()
 	bool is_i2c_bus = _bus_option == I2CSPIBusOption::I2CExternal || _bus_option == I2CSPIBusOption::I2CInternal;
 
 	if (is_i2c_bus) {
-		PX4_INFO("Running on I2C Bus %i, Address 0x%02X", _bus, _i2c_address);
+		PX4_INFO("Running on I2C Bus %i, Address 0x%02X", _bus, get_i2c_address());
 
 	} else {
 		PX4_INFO("Running on SPI Bus %i", _bus);

platforms/common/include/px4_platform_common/i2c_spi_buses.h

@@ -93,6 +93,7 @@ class I2CSPIInstance : public ListNode<I2CSPIInstance *>
 {
 public:
 	virtual ~I2CSPIInstance() = default;
+	virtual int8_t  get_i2c_address() {return _i2c_address;}
 
 private:
 	I2CSPIInstance(const I2CSPIDriverConfig &config)
@@ -100,6 +101,7 @@ private:
 		  _devid_driver_index(config.devid_driver_index), _bus_device_index(config.bus_device_index),
 		  _i2c_address(config.i2c_address) {}
 
+
 	friend class BusInstanceIterator;
 	friend class I2CSPIDriverBase;