Adding a new differential pressure sensor ASP5033 (#21568)

* added a new driver ASP5033 for measuring the differential pressure and airspeed

---------

Co-authored-by: nano <nanobotzhe@abv.bg>
Co-authored-by: Denislav Petrov <you@example.com>

ROMFS/px4fmu_common/init.d/rc.sensors

@@ -172,6 +172,12 @@ then
 	ms5525dso start -X
 fi
 
+# TE ASP5033 differential pressure sensor external I2C
+if param compare -s SENS_EN_ASP5033 1
+then
+	asp5033 start -X
+fi
+
 # SHT3x temperature and hygrometer sensor, external I2C
 if param compare -s SENS_EN_SHT3X 1
 then

src/drivers/differential_pressure/asp5033/ASP5033.cpp

@@ -0,0 +1,258 @@
+/****************************************************************************
+ *
+ *
+ * Copyright (c) 2023 PX4 Development Team. All rights reserved.
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file ASP5033.cpp
+ *
+ *@author Denislav Petrov <denislavamitoba@gmail.com>
+ */
+
+
+
+#include "ASP5033.hpp"
+
+ASP5033::ASP5033(const I2CSPIDriverConfig &config) :
+	I2C(config),
+	I2CSPIDriver(config)
+{
+}
+
+ASP5033::~ASP5033()
+{
+	perf_free(_sample_perf);
+	perf_free(_comms_errors);
+	perf_free(_fault_perf);
+}
+
+int ASP5033::probe()
+{
+	int ret = sensor_id_check();
+	return ret;
+}
+
+int ASP5033::sensor_id_check()
+{
+	uint8_t id[1];
+	uint8_t cmd_1 = REG_ID_SET_ASP5033;
+	uint8_t cmd_2 = REG_WHOAMI_RECHECK_ID_ASP5033;
+	uint8_t cmd_3 = REG_ID_ASP5033;
+	uint8_t cmd_1_2[2];
+	cmd_1_2[0] = static_cast<uint8_t>(cmd_1);
+	cmd_1_2[1] = static_cast<uint8_t>(cmd_2);
+
+
+	if ((transfer(&cmd_1, 1, &id[0], sizeof(id)) != PX4_OK) || (*id != REG_WHOAMI_DEFAULT_ID_ASP5033)) { return 0; }
+
+	if (transfer(&cmd_1_2[0], 2, nullptr, 0) != PX4_OK) { return 0; }
+
+	if ((transfer(&cmd_3, 1, &id[0], sizeof(id)) != PX4_OK) || (*id != REG_WHOAMI_RECHECK_ID_ASP5033)) { return 0; }
+
+	return 1;
+
+
+
+}
+
+int ASP5033::init()
+{
+	int ret = I2C::init();
+
+	if (ret != PX4_OK) {
+		DEVICE_DEBUG("I2C::init failed (%i)", ret);
+		return ret;
+	}
+
+	ScheduleNow();
+	return ret;
+}
+
+
+/**
+ * @brief calculation of the differential pressure in this way:
+ * it collect all measured pressure and store it into press_sum,
+ * count the value of collected times-press_count, then divide both
+ * and get the actual value of differential pressure - _pressure
+ *
+ * @return true if pressure is valid and no errors, false if not
+ */
+bool ASP5033::get_differential_pressure()
+{
+	if (hrt_elapsed_time(&last_sample_time) > 200_ms) {
+		return false;
+	}
+
+	if (press_count == 0) {
+		return false;
+	}
+
+	//calculation differential pressure
+	_pressure = press_sum / press_count;
+
+	press_sum = 0.;
+	press_count = 0;
+	return true;
+
+}
+
+
+void ASP5033::print_status()
+{
+
+	I2CSPIDriverBase::print_status();
+
+	perf_print_counter(_sample_perf);
+	perf_print_counter(_comms_errors);
+	perf_print_counter(_fault_perf);
+}
+
+void ASP5033::RunImpl()
+{
+	int ret = PX4_ERROR;
+
+	// collection phase
+	if (_collect_phase) {
+		// perform collection
+		ret = collect();
+
+		if (OK != ret) {
+			perf_count(_comms_errors);
+			/* restart the measurement state machine */
+			_collect_phase = false;
+			_sensor_ok = false;
+			ScheduleNow();
+			return;
+		}
+
+		// next phase is measurement
+		_collect_phase = false;
+
+		// is there a collect->measure gap?
+		if (_measure_interval > CONVERSION_INTERVAL) {
+
+			// schedule a fresh cycle call when we are ready to measure again
+			ScheduleDelayed(_measure_interval - CONVERSION_INTERVAL);
+
+			return;
+		}
+	}
+
+	/* measurement phase */
+	ret = measure();
+
+	if (OK != ret) {
+		DEVICE_DEBUG("measure error");
+	}
+
+	_sensor_ok = (ret == OK);
+
+	// next phase is collection
+	_collect_phase = true;
+
+	// schedule a fresh cycle call when the measurement is done
+	ScheduleDelayed(CONVERSION_INTERVAL);
+}
+
+
+int ASP5033::measure()
+{
+	// Send the command to begin a measurement.
+	uint8_t cmd_1 = CMD_MEASURE_ASP5033;
+	uint8_t cmd_2 = REG_CMD_ASP5033;;
+
+	//write to driver to start
+	uint8_t cmd[2];
+	cmd[0] = static_cast<uint8_t>(cmd_2);
+	cmd[1] = static_cast<uint8_t>(cmd_1);
+	int ret = transfer(&cmd[0], 2, nullptr, 0);
+
+	if (OK != ret) {
+		perf_count(_comms_errors);
+	}
+
+	return ret;
+}
+
+int ASP5033::collect()
+{
+	perf_begin(_sample_perf);
+	const hrt_abstime timestamp_sample = hrt_absolute_time();
+
+
+	// Read pressure and temperature as one block
+	uint8_t val[5] {0, 0, 0, 0, 0};
+	uint8_t cmd = REG_PRESS_DATA_ASP5033;
+	transfer(&cmd, 1, &val[0], sizeof(val));
+
+	//Pressure is a signed 24-bit value
+	int32_t press = (val[0] << 24) | (val[1] << 16) | (val[2] << 8);
+	// convert back to 24 bit
+	press >>= 8;
+
+	// k is a shift based on the pressure range of the device. See
+	// table in the datasheet
+	constexpr uint8_t k = 8;
+	constexpr float press_scale = 1.0f / (1U << k); //= 1.0f / (1U << k);
+	press_sum += press * press_scale;
+	press_count++;
+
+	// temperature is 16 bit signed in units of 1/256 C
+	const int16_t temp = (val[3] << 8) | val[4];
+	constexpr float temp_scale = 1.0f / 256;
+	_temperature = temp * temp_scale;
+	last_sample_time = hrt_absolute_time();
+	bool status = get_differential_pressure();
+
+	if (status == true && (int)_temperature != 0) {
+		// publish values
+		differential_pressure_s differential_pressure{};
+		differential_pressure.timestamp_sample = timestamp_sample;
+		differential_pressure.device_id = get_device_id();
+		differential_pressure.differential_pressure_pa = _pressure;
+		differential_pressure.temperature = _temperature ;
+		differential_pressure.error_count = perf_event_count(_comms_errors);
+		differential_pressure.timestamp = timestamp_sample;
+		_differential_pressure_pub.publish(differential_pressure);
+
+	}
+
+	perf_end(_sample_perf);
+
+	return PX4_OK;
+}
+
+
+
+
+

src/drivers/differential_pressure/asp5033/ASP5033.hpp

@@ -0,0 +1,137 @@
+/****************************************************************************
+ *
+ * Copyright (c) 2023 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file ASP5033.hpp
+ *
+ * Driver for ASP5033 connected via I2C.
+ *
+ * Supported sensors:
+ *
+ *    - ASP5033
+ *
+ * Interface application notes:
+ *
+ *
+ *@author Denislav Petrov <denislavamitoba@gmail.com>
+ */
+
+#pragma once
+
+#include <drivers/device/i2c.h>
+#include <drivers/drv_hrt.h>
+
+#include <lib/perf/perf_counter.h>
+#include <px4_platform_common/i2c_spi_buses.h>
+#include <uORB/PublicationMulti.hpp>
+#include <uORB/topics/differential_pressure.h>
+
+#include <px4_platform_common/module.h>
+#include <lib/systemlib/mavlink_log.h>
+
+
+
+
+/* Measurement rate is 100Hz */
+#define MEAS_RATE 100
+#define CONVERSION_INTERVAL	(1000000 / MEAS_RATE)	/* microseconds */
+
+
+/* Configuration Constants */
+static constexpr uint8_t I2C_ADDRESS_DEFAULT = 0x6D; /* 0x6D 0xE4 */
+static constexpr uint32_t I2C_SPEED = 100 * 1000; // 100 kHz I2C serial interface
+
+
+#define REG_CMD_ASP5033                0x30
+#define REG_PRESS_DATA_ASP5033         0X06
+#define REG_TEMP_DATA_ASP5033          0X09
+#define CMD_MEASURE_ASP5033            0X0A
+#define REG_WHOAMI_DEFAULT_ID_ASP5033  0X00
+#define REG_WHOAMI_RECHECK_ID_ASP5033  0X66
+#define REG_ID_ASP5033                 0x01
+#define REG_ID_SET_ASP5033             0xa4
+
+using namespace time_literals;
+
+
+class ASP5033 : public device::I2C, public I2CSPIDriver<ASP5033>
+{
+public:
+	ASP5033(const I2CSPIDriverConfig &config);
+	~ASP5033() override;
+
+	static void print_usage();
+	void print_status() override;
+
+
+	void RunImpl();
+
+	int init() override;
+
+
+
+	float press_sum;
+	uint32_t press_count;
+
+
+private:
+
+	float _pressure = 0.f;
+	float _temperature = 0.f;
+	float _pressure_prev = 0.f;
+	float _temperaute_prev = 0.f;
+
+	int probe() override;
+
+	int measure();
+	int collect();
+	int sensor_id_check();
+
+	bool get_differential_pressure();
+	hrt_abstime last_sample_time = hrt_absolute_time();
+	orb_advert_t 	_mavlink_log_pub {nullptr}; //log send to
+
+
+	uint32_t _measure_interval{CONVERSION_INTERVAL};
+	uint32_t _conversion_interval{CONVERSION_INTERVAL};
+
+	bool _sensor_ok{false};
+	bool _collect_phase{false};
+
+	uORB::PublicationMulti<differential_pressure_s> _differential_pressure_pub{ORB_ID(differential_pressure)};
+
+	perf_counter_t _sample_perf{perf_alloc(PC_ELAPSED, MODULE_NAME": read")};
+	perf_counter_t _comms_errors{perf_alloc(PC_COUNT, MODULE_NAME": communication errors")};
+	perf_counter_t _fault_perf{perf_alloc(PC_ELAPSED, MODULE_NAME": fault detected")};
+};
+

src/drivers/differential_pressure/asp5033/CMakeLists.txt

@@ -0,0 +1,43 @@
+############################################################################
+#
+# Copyright (c) 2023 PX4 Development Team. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name PX4 nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+px4_add_module(
+	MODULE drivers__differential_pressure__asp5033
+	MAIN asp5033
+	COMPILE_FLAGS
+	SRCS
+		asp5033_main.cpp
+		ASP5033.cpp
+		ASP5033.hpp
+	DEPENDS
+		px4_work_queue
+	)

src/drivers/differential_pressure/asp5033/Kconfig

@@ -0,0 +1,5 @@
+menuconfig DRIVERS_DIFFERENTIAL_PRESSURE_ASP5033
+	bool "asp5033"
+	default n
+	---help---
+		Enable support for asp5033

src/drivers/differential_pressure/asp5033/asp5033_main.cpp

@@ -0,0 +1,94 @@
+/****************************************************************************
+ *
+ * Copyright (c) 2023 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+
+#include "ASP5033.hpp"
+#include <px4_platform_common/getopt.h>
+#include <px4_platform_common/module.h>
+
+
+
+
+void ASP5033::print_usage()
+{
+	PRINT_MODULE_DESCRIPTION(
+		R"DESCR_STR(
+### Description
+Driver to enable an external [ASP5033]
+(https://www.qio-tek.com/index.php/product/qiotek-asp5033-dronecan-airspeed-and-compass-module/)
+TE connected via I2C.
+This is not included by default in firmware. It can be included with terminal command: "make <your_board> boardconfig"
+or in default.px4board with adding the line: "CONFIG_DRIVERS_DIFFERENTIAL_PRESSURE_ASP5033=y"
+It can be enabled with the "SENS_EN_ASP5033" parameter set to 1.
+)DESCR_STR");
+	PRINT_MODULE_USAGE_NAME("asp5033", "driver");
+	PRINT_MODULE_USAGE_SUBCATEGORY("airspeed_sensor");
+	PRINT_MODULE_USAGE_COMMAND("start");
+	PRINT_MODULE_USAGE_PARAMS_I2C_SPI_DRIVER(true, false);
+	PRINT_MODULE_USAGE_PARAMS_I2C_ADDRESS(0x6D);
+	PRINT_MODULE_USAGE_DEFAULT_COMMANDS();
+}
+
+extern "C" int asp5033_main(int argc, char *argv[])
+{
+
+	using ThisDriver = ASP5033;
+	BusCLIArguments cli{true, false};
+	cli.i2c_address = I2C_ADDRESS_DEFAULT;
+	cli.default_i2c_frequency = I2C_SPEED;
+
+	const char *verb = cli.parseDefaultArguments(argc, argv);
+
+
+
+	if (!verb) {
+		ThisDriver::print_usage();
+		return -1;
+	}
+
+	BusInstanceIterator iterator(MODULE_NAME, cli, DRV_DIFF_PRESS_DEVTYPE_ASP5033);
+
+
+	if (!strcmp(verb, "start")) {
+		return ThisDriver::module_start(cli, iterator);
+
+	} else if (!strcmp(verb, "stop")) {
+		return ThisDriver::module_stop(iterator);
+
+	} else if (!strcmp(verb, "status")) {
+		return ThisDriver::module_status(iterator);
+	}
+
+	ThisDriver::print_usage();
+	return -1;
+}

src/drivers/differential_pressure/asp5033/parameters.c

@@ -0,0 +1,46 @@
+/****************************************************************************
+ *
+ * Copyright (c) 2023 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+
+/**
+ * ASP5033 differential pressure sensor (external I2C)
+ *
+ * @reboot_required true
+ * @group Sensors
+ * @boolean
+ */
+PARAM_DEFINE_INT32(SENS_EN_ASP5033, 0);
+
+
+
+

src/drivers/drv_sensor.h

@@ -115,6 +115,7 @@
 #define DRV_DIFF_PRESS_DEVTYPE_SDP32     0x4B
 #define DRV_DIFF_PRESS_DEVTYPE_SDP33     0x4C
 
+
 #define DRV_BARO_DEVTYPE_TCBP001TA      0x4D
 #define DRV_BARO_DEVTYPE_MS5837         0x4E
 #define DRV_BARO_DEVTYPE_SPL06          0x4F
@@ -234,6 +235,7 @@
 #define DRV_INS_DEVTYPE_VN100 0xE1
 #define DRV_INS_DEVTYPE_VN200 0xE2
 #define DRV_INS_DEVTYPE_VN300 0xE3
+#define DRV_DIFF_PRESS_DEVTYPE_ASP5033  0xE4
 
 #define DRV_DEVTYPE_UNUSED		0xff