Port PX4 to BeagleBone Blue Board using library librobotcontrol instead of a submodule

src/platforms/posix/drivers/df_bmp280_wrapper/df_bmp280_wrapper.cpp

@@ -54,6 +54,7 @@
 #include <perf/perf_counter.h>
 #include <systemlib/err.h>
 
+#include <drivers/drv_hrt.h>
 #include <drivers/drv_baro.h>
 
 #include <board_config.h>
@@ -130,6 +131,10 @@ int DfBmp280Wrapper::start()
 		return ret;
 	}
 
+#if defined(__DF_BBBLUE)
+	PX4_INFO("BMP280 started");
+#endif
+
 	return 0;
 }
 
@@ -151,11 +156,12 @@ int DfBmp280Wrapper::_publish(struct baro_sensor_data &data)
 	perf_begin(_baro_sample_perf);
 
 	baro_report baro_report = {};
-	baro_report.timestamp = hrt_absolute_time();
+	baro_report.timestamp   = hrt_absolute_time();
+	baro_report.error_count = data.error_counter;
 
-	baro_report.pressure = data.pressure_pa / 100.0f; // to mbar
+	baro_report.pressure    = data.pressure_pa / 100.0f; // to mbar
 	baro_report.temperature = data.temperature_c;
-
+    
 	// TODO: when is this ever blocked?
 	if (!(m_pub_blocked)) {
 

src/platforms/posix/drivers/df_mpu9250_wrapper/df_mpu9250_wrapper.cpp

@@ -618,6 +618,8 @@ int DfMpu9250Wrapper::_publish(struct imu_sensor_data &data)
 
 	accel_report.timestamp = gyro_report.timestamp = hrt_absolute_time();
 
+	accel_report.error_count = gyro_report.error_count = mag_report.error_count = data.error_counter;
+
 	// ACCEL
 
 	float xraw_f = data.accel_m_s2_x;