diff --git a/cmake/configs/posix_rpi_common.cmake b/cmake/configs/posix_rpi_common.cmake
index dd209f39a2..c633f7511f 100644
--- a/cmake/configs/posix_rpi_common.cmake
+++ b/cmake/configs/posix_rpi_common.cmake
@@ -20,6 +20,7 @@ set(config_module_list
 	drivers/airspeed
 	drivers/ms4525_airspeed
 	drivers/ms5525_airspeed
+	drivers/sdp3x_airspeed
 
 	modules/sensors
 	platforms/posix/drivers/df_mpu9250_wrapper
diff --git a/cmake/configs/posix_sitl_default.cmake b/cmake/configs/posix_sitl_default.cmake
index 691cf5d420..0aa3eecd1a 100644
--- a/cmake/configs/posix_sitl_default.cmake
+++ b/cmake/configs/posix_sitl_default.cmake
@@ -13,6 +13,7 @@ set(config_module_list
 	drivers/airspeed
 	drivers/ms4525_airspeed
 	drivers/ms5525_airspeed
+	drivers/sdp3x_airspeed
 
 	modules/sensors
 	platforms/posix/drivers/accelsim
diff --git a/src/drivers/sdp3x_airspeed/SDP3X.hpp b/src/drivers/sdp3x_airspeed/SDP3X.hpp
index 150cb0c157..0019f84d9a 100644
--- a/src/drivers/sdp3x_airspeed/SDP3X.hpp
+++ b/src/drivers/sdp3x_airspeed/SDP3X.hpp
@@ -107,7 +107,6 @@ private:
 	 */
 	int write_command(uint16_t command);
 
-	bool _inited{false};
 	uint16_t _scale{0};
 };
 
diff --git a/src/drivers/sdp3x_airspeed/SDP3X_main.cpp b/src/drivers/sdp3x_airspeed/SDP3X_main.cpp
index 11c6b731da..aebc9ca52a 100644
--- a/src/drivers/sdp3x_airspeed/SDP3X_main.cpp
+++ b/src/drivers/sdp3x_airspeed/SDP3X_main.cpp
@@ -88,17 +88,17 @@ start(int i2c_bus)
 	}
 
 	/* set the poll rate to default, starts automatic data collection */
-	fd = open(PATH_SDP3X, O_RDONLY);
+	fd = px4_open(PATH_SDP3X, O_RDONLY);
 
 	if (fd < 0) {
 		goto fail;
 	}
 
-	if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) {
+	if (px4_ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) {
 		goto fail;
 	}
 
-	exit(0);
+	return;
 
 fail:
 
@@ -108,7 +108,6 @@ fail:
 	}
 
 	PX4_WARN("no SDP3X airspeed sensor connected");
-	exit(1);
 }
 
 // stop the driver
@@ -119,10 +118,8 @@ void stop()
 		g_dev = nullptr;
 
 	} else {
-		errx(1, "driver not running");
+		PX4_ERR("driver not running");
 	}
-
-	exit(0);
 }
 
 // perform some basic functional tests on the driver;
@@ -130,49 +127,49 @@ void stop()
 // and automatic modes.
 void test()
 {
-	int fd = open(PATH_SDP3X, O_RDONLY);
+	int fd = px4_open(PATH_SDP3X, O_RDONLY);
 
 	if (fd < 0) {
 		PX4_WARN("%s open failed (try 'sdp3x_airspeed start' if the driver is not running", PATH_SDP3X);
-		exit(1);
+		return;
 	}
 
 	// do a simple demand read
 	differential_pressure_s report;
-	ssize_t sz = read(fd, &report, sizeof(report));
+	ssize_t sz = px4_read(fd, &report, sizeof(report));
 
 	if (sz != sizeof(report)) {
 		PX4_WARN("immediate read failed");
-		exit(1);
+		return;
 	}
 
 	PX4_WARN("single read");
 	PX4_WARN("diff pressure: %d pa", (int)report.differential_pressure_filtered_pa);
 
 	/* start the sensor polling at 2Hz */
-	if (OK != ioctl(fd, SENSORIOCSPOLLRATE, 2)) {
+	if (OK != px4_ioctl(fd, SENSORIOCSPOLLRATE, 2)) {
 		PX4_WARN("failed to set 2Hz poll rate");
-		exit(1);
+		return;
 	}
 
 	/* read the sensor 5x and report each value */
 	for (unsigned i = 0; i < 5; i++) {
-		struct pollfd fds;
+		px4_pollfd_struct_t fds;
 
 		/* wait for data to be ready */
 		fds.fd = fd;
 		fds.events = POLLIN;
-		int ret = poll(&fds, 1, 2000);
+		int ret = px4_poll(&fds, 1, 2000);
 
 		if (ret != 1) {
-			errx(1, "timed out");
+			PX4_ERR("timed out");
 		}
 
 		/* now go get it */
-		sz = read(fd, &report, sizeof(report));
+		sz = px4_read(fd, &report, sizeof(report));
 
 		if (sz != sizeof(report)) {
-			err(1, "periodic read failed");
+			PX4_ERR("periodic read failed");
 		}
 
 		PX4_WARN("periodic read %u", i);
@@ -181,32 +178,31 @@ void test()
 	}
 
 	/* reset the sensor polling to its default rate */
-	if (PX4_OK != ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT)) {
+	if (PX4_OK != px4_ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT)) {
 		PX4_WARN("failed to set default rate");
-		exit(1);
+		return;
 	}
-
-	exit(0);
 }
 
 // reset the driver
 void reset()
 {
-	int fd = open(PATH_SDP3X, O_RDONLY);
+	int fd = px4_open(PATH_SDP3X, O_RDONLY);
 
 	if (fd < 0) {
-		err(1, "failed ");
+		PX4_ERR("failed ");
+		return;
 	}
 
-	if (ioctl(fd, SENSORIOCRESET, 0) < 0) {
-		err(1, "driver reset failed");
+	if (px4_ioctl(fd, SENSORIOCRESET, 0) < 0) {
+		PX4_ERR("driver reset failed");
+		return;
 	}
 
-	if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) {
-		err(1, "driver poll restart failed");
+	if (px4_ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) {
+		PX4_ERR("driver poll restart failed");
+		return;
 	}
-
-	exit(0);
 }
 
 // print a little info about the driver
@@ -214,13 +210,11 @@ void
 info()
 {
 	if (g_dev == nullptr) {
-		errx(1, "driver not running");
+		PX4_ERR("driver not running");
 	}
 
-	printf("state @ %p\n", g_dev);
+	PX4_INFO("state @ %p", g_dev);
 	g_dev->print_info();
-
-	exit(0);
 }
 
 } // namespace sdp3x_airspeed
@@ -285,5 +279,6 @@ sdp3x_airspeed_main(int argc, char *argv[])
 	}
 
 	sdp3x_airspeed_usage();
-	exit(0);
+
+	return PX4_OK;
 }