batt_smbus: switch to battery_info.serial_number

src/drivers/batt_smbus/batt_smbus.cpp

@@ -77,6 +77,7 @@ BATT_SMBUS::BATT_SMBUS(const I2CSPIDriverConfig &config, SMBus *interface) :
 
 BATT_SMBUS::~BATT_SMBUS()
 {
+	orb_unadvertise(_battery_info_topic);
 	orb_unadvertise(_batt_topic);
 	perf_free(_cycle);
 
@@ -165,7 +166,6 @@ void BATT_SMBUS::RunImpl()
 	if (ret == PX4_OK) {
 		new_report.capacity = _batt_capacity;
 		new_report.cycle_count = _cycle_count;
-		new_report.serial_number = _serial_number;
 		new_report.max_cell_voltage_delta = _max_cell_voltage_delta;
 		new_report.cell_count = _cell_count;
 		new_report.state_of_health = _state_of_health;
@@ -192,6 +192,13 @@ void BATT_SMBUS::RunImpl()
 		int instance = 0;
 		orb_publish_auto(ORB_ID(battery_status), &_batt_topic, &new_report, &instance);
 
+		battery_info_s battery_info{};
+		battery_info.timestamp = new_report.timestamp;
+		battery_info.id = new_report.id;
+		snprintf(battery_info.serial_number, sizeof(battery_info.serial_number), "%" PRIu16, _serial_number);
+		orb_publish_auto(ORB_ID(battery_info), &_battery_info_topic, &battery_info, &instance);
+
+
 		_last_report = new_report;
 	}
 }

src/drivers/batt_smbus/batt_smbus.h

@@ -52,6 +52,7 @@
 #include <px4_platform_common/param.h>
 #include <px4_platform_common/getopt.h>
 #include <px4_platform_common/i2c_spi_buses.h>
+#include <uORB/topics/battery_info.h>
 #include <uORB/topics/battery_status.h>
 
 #include <board_config.h>
@@ -242,7 +243,7 @@ private:
 	/** @param _last_report Last published report, used for test(). */
 	battery_status_s _last_report{};
 
-	/** @param _batt_topic uORB battery topic. */
+	orb_advert_t _battery_info_topic{nullptr};
 	orb_advert_t _batt_topic{nullptr};
 
 	/** @param _cell_count Number of series cell. */