mavlink: add HYGROMETER_SENSOR stream

2026-10-22 15:43:33 +08:00 · 2021-12-27 12:13:09 -05:00
parent 983867f9af
commit 17a99bc827
3 changed files with 97 additions and 4 deletions
@@ -0,0 +1,84 @@
+/****************************************************************************
+ *
+ *   Copyright (c) 2021 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.
+ *
+ ****************************************************************************/
+
+#ifndef HYGROMETER_SENSOR_HPP
+#define HYGROMETER_SENSOR_HPP
+
+#include <uORB/SubscriptionMultiArray.hpp>
+#include <uORB/topics/sensor_hygrometer.h>
+
+class MavlinkStreamHygrometerSensor : public MavlinkStream
+{
+public:
+	static MavlinkStream *new_instance(Mavlink *mavlink) { return new MavlinkStreamHygrometerSensor(mavlink); }
+
+	static constexpr const char *get_name_static() { return "HYGROMETER_SENSOR"; }
+	static constexpr uint16_t get_id_static() { return MAVLINK_MSG_ID_HYGROMETER_SENSOR; }
+
+	const char *get_name() const override { return get_name_static(); }
+	uint16_t get_id() override { return get_id_static(); }
+
+	unsigned get_size() override
+	{
+		return _sensor_hygrometer_subs.advertised_count() * (MAVLINK_MSG_ID_HYGROMETER_SENSOR_LEN +
+				MAVLINK_NUM_NON_PAYLOAD_BYTES);
+	}
+
+private:
+	explicit MavlinkStreamHygrometerSensor(Mavlink *mavlink) : MavlinkStream(mavlink) {}
+
+	uORB::SubscriptionMultiArray<sensor_hygrometer_s> _sensor_hygrometer_subs{ORB_ID::sensor_hygrometer};
+
+	bool send() override
+	{
+		bool updated = false;
+
+		for (int i = 0; i < _sensor_hygrometer_subs.size(); i++) {
+			sensor_hygrometer_s sensor_hygrometer;
+
+			if (_sensor_hygrometer_subs[i].update(&sensor_hygrometer)) {
+				mavlink_hygrometer_sensor_t msg{};
+				msg.id          = i; // uint8_t Hygrometer ID
+				msg.temperature = roundf(sensor_hygrometer.temperature * 100.f); // degrees to centidegrees (int16_t)
+				msg.humidity    = roundf(sensor_hygrometer.humidity);            // % (uint16_t)
+
+				mavlink_msg_hygrometer_sensor_send_struct(_mavlink->get_channel(), &msg);
+
+				updated = true;
+			}
+		}
+
+		return updated;
+	}
+};
+#endif // HYGROMETER_SENSOR_HPP