// MESSAGE SCALED_PRESSURE PACKING #define MAVLINK_MSG_ID_SCALED_PRESSURE 38 #define MAVLINK_MSG_ID_SCALED_PRESSURE_LEN 18 #define MAVLINK_MSG_38_LEN 18 typedef struct __mavlink_scaled_pressure_t { uint64_t usec; ///< Timestamp (microseconds since UNIX epoch or microseconds since system boot) float press_abs; ///< Absolute pressure (hectopascal) float press_diff; ///< Differential pressure 1 (hectopascal) int16_t temperature; ///< Temperature measurement (0.01 degrees celsius) } mavlink_scaled_pressure_t; /** * @brief Pack a scaled_pressure message * @param system_id ID of this system * @param component_id ID of this component (e.g. 200 for IMU) * @param msg The MAVLink message to compress the data into * * @param usec Timestamp (microseconds since UNIX epoch or microseconds since system boot) * @param press_abs Absolute pressure (hectopascal) * @param press_diff Differential pressure 1 (hectopascal) * @param temperature Temperature measurement (0.01 degrees celsius) * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_scaled_pressure_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint64_t usec, float press_abs, float press_diff, int16_t temperature) { mavlink_scaled_pressure_t *p = (mavlink_scaled_pressure_t *)&msg->payload[0]; msg->msgid = MAVLINK_MSG_ID_SCALED_PRESSURE; p->usec = usec; // uint64_t:Timestamp (microseconds since UNIX epoch or microseconds since system boot) p->press_abs = press_abs; // float:Absolute pressure (hectopascal) p->press_diff = press_diff; // float:Differential pressure 1 (hectopascal) p->temperature = temperature; // int16_t:Temperature measurement (0.01 degrees celsius) return mavlink_finalize_message(msg, system_id, component_id, MAVLINK_MSG_ID_SCALED_PRESSURE_LEN); } /** * @brief Pack a scaled_pressure message * @param system_id ID of this system * @param component_id ID of this component (e.g. 200 for IMU) * @param chan The MAVLink channel this message was sent over * @param msg The MAVLink message to compress the data into * @param usec Timestamp (microseconds since UNIX epoch or microseconds since system boot) * @param press_abs Absolute pressure (hectopascal) * @param press_diff Differential pressure 1 (hectopascal) * @param temperature Temperature measurement (0.01 degrees celsius) * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_scaled_pressure_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint64_t usec, float press_abs, float press_diff, int16_t temperature) { mavlink_scaled_pressure_t *p = (mavlink_scaled_pressure_t *)&msg->payload[0]; msg->msgid = MAVLINK_MSG_ID_SCALED_PRESSURE; p->usec = usec; // uint64_t:Timestamp (microseconds since UNIX epoch or microseconds since system boot) p->press_abs = press_abs; // float:Absolute pressure (hectopascal) p->press_diff = press_diff; // float:Differential pressure 1 (hectopascal) p->temperature = temperature; // int16_t:Temperature measurement (0.01 degrees celsius) return mavlink_finalize_message_chan(msg, system_id, component_id, chan, MAVLINK_MSG_ID_SCALED_PRESSURE_LEN); } /** * @brief Encode a scaled_pressure struct into a message * * @param system_id ID of this system * @param component_id ID of this component (e.g. 200 for IMU) * @param msg The MAVLink message to compress the data into * @param scaled_pressure C-struct to read the message contents from */ static inline uint16_t mavlink_msg_scaled_pressure_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_scaled_pressure_t* scaled_pressure) { return mavlink_msg_scaled_pressure_pack(system_id, component_id, msg, scaled_pressure->usec, scaled_pressure->press_abs, scaled_pressure->press_diff, scaled_pressure->temperature); } /** * @brief Send a scaled_pressure message * @param chan MAVLink channel to send the message * * @param usec Timestamp (microseconds since UNIX epoch or microseconds since system boot) * @param press_abs Absolute pressure (hectopascal) * @param press_diff Differential pressure 1 (hectopascal) * @param temperature Temperature measurement (0.01 degrees celsius) */ #ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS static inline void mavlink_msg_scaled_pressure_send(mavlink_channel_t chan, uint64_t usec, float press_abs, float press_diff, int16_t temperature) { mavlink_header_t hdr; mavlink_scaled_pressure_t payload; uint16_t checksum; mavlink_scaled_pressure_t *p = &payload; p->usec = usec; // uint64_t:Timestamp (microseconds since UNIX epoch or microseconds since system boot) p->press_abs = press_abs; // float:Absolute pressure (hectopascal) p->press_diff = press_diff; // float:Differential pressure 1 (hectopascal) p->temperature = temperature; // int16_t:Temperature measurement (0.01 degrees celsius) hdr.STX = MAVLINK_STX; hdr.len = MAVLINK_MSG_ID_SCALED_PRESSURE_LEN; hdr.msgid = MAVLINK_MSG_ID_SCALED_PRESSURE; hdr.sysid = mavlink_system.sysid; hdr.compid = mavlink_system.compid; hdr.seq = mavlink_get_channel_status(chan)->current_tx_seq; mavlink_get_channel_status(chan)->current_tx_seq = hdr.seq + 1; mavlink_send_mem(chan, (uint8_t *)&hdr.STX, MAVLINK_NUM_HEADER_BYTES ); crc_init(&checksum); checksum = crc_calculate_mem((uint8_t *)&hdr.len, &checksum, MAVLINK_CORE_HEADER_LEN); checksum = crc_calculate_mem((uint8_t *)&payload, &checksum, hdr.len ); hdr.ck_a = (uint8_t)(checksum & 0xFF); ///< Low byte hdr.ck_b = (uint8_t)(checksum >> 8); ///< High byte mavlink_send_mem(chan, (uint8_t *)&payload, hdr.len); mavlink_send_mem(chan, (uint8_t *)&hdr.ck_a, MAVLINK_NUM_CHECKSUM_BYTES); } #endif // MESSAGE SCALED_PRESSURE UNPACKING /** * @brief Get field usec from scaled_pressure message * * @return Timestamp (microseconds since UNIX epoch or microseconds since system boot) */ static inline uint64_t mavlink_msg_scaled_pressure_get_usec(const mavlink_message_t* msg) { mavlink_scaled_pressure_t *p = (mavlink_scaled_pressure_t *)&msg->payload[0]; return (uint64_t)(p->usec); } /** * @brief Get field press_abs from scaled_pressure message * * @return Absolute pressure (hectopascal) */ static inline float mavlink_msg_scaled_pressure_get_press_abs(const mavlink_message_t* msg) { mavlink_scaled_pressure_t *p = (mavlink_scaled_pressure_t *)&msg->payload[0]; return (float)(p->press_abs); } /** * @brief Get field press_diff from scaled_pressure message * * @return Differential pressure 1 (hectopascal) */ static inline float mavlink_msg_scaled_pressure_get_press_diff(const mavlink_message_t* msg) { mavlink_scaled_pressure_t *p = (mavlink_scaled_pressure_t *)&msg->payload[0]; return (float)(p->press_diff); } /** * @brief Get field temperature from scaled_pressure message * * @return Temperature measurement (0.01 degrees celsius) */ static inline int16_t mavlink_msg_scaled_pressure_get_temperature(const mavlink_message_t* msg) { mavlink_scaled_pressure_t *p = (mavlink_scaled_pressure_t *)&msg->payload[0]; return (int16_t)(p->temperature); } /** * @brief Decode a scaled_pressure message into a struct * * @param msg The message to decode * @param scaled_pressure C-struct to decode the message contents into */ static inline void mavlink_msg_scaled_pressure_decode(const mavlink_message_t* msg, mavlink_scaled_pressure_t* scaled_pressure) { memcpy( scaled_pressure, msg->payload, sizeof(mavlink_scaled_pressure_t)); }