3020a471da
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2187 f9c3cf11-9bcb-44bc-f272-b75c42450872
149 lines
5.0 KiB
C
149 lines
5.0 KiB
C
// MESSAGE AIR_DATA PACKING
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#define MAVLINK_MSG_ID_AIR_DATA 171
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typedef struct __mavlink_air_data_t
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{
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float dynamicPressure; ///< Dynamic pressure (Pa)
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float staticPressure; ///< Static pressure (Pa)
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uint16_t temperature; ///< Board temperature
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} mavlink_air_data_t;
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/**
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* @brief Pack a air_data message
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* @param system_id ID of this system
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* @param component_id ID of this component (e.g. 200 for IMU)
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* @param msg The MAVLink message to compress the data into
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*
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* @param dynamicPressure Dynamic pressure (Pa)
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* @param staticPressure Static pressure (Pa)
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* @param temperature Board temperature
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* @return length of the message in bytes (excluding serial stream start sign)
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*/
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static inline uint16_t mavlink_msg_air_data_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, float dynamicPressure, float staticPressure, uint16_t temperature)
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{
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uint16_t i = 0;
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msg->msgid = MAVLINK_MSG_ID_AIR_DATA;
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i += put_float_by_index(dynamicPressure, i, msg->payload); // Dynamic pressure (Pa)
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i += put_float_by_index(staticPressure, i, msg->payload); // Static pressure (Pa)
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i += put_uint16_t_by_index(temperature, i, msg->payload); // Board temperature
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return mavlink_finalize_message(msg, system_id, component_id, i);
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}
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/**
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* @brief Pack a air_data message
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* @param system_id ID of this system
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* @param component_id ID of this component (e.g. 200 for IMU)
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* @param chan The MAVLink channel this message was sent over
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* @param msg The MAVLink message to compress the data into
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* @param dynamicPressure Dynamic pressure (Pa)
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* @param staticPressure Static pressure (Pa)
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* @param temperature Board temperature
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* @return length of the message in bytes (excluding serial stream start sign)
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*/
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static inline uint16_t mavlink_msg_air_data_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, float dynamicPressure, float staticPressure, uint16_t temperature)
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{
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uint16_t i = 0;
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msg->msgid = MAVLINK_MSG_ID_AIR_DATA;
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i += put_float_by_index(dynamicPressure, i, msg->payload); // Dynamic pressure (Pa)
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i += put_float_by_index(staticPressure, i, msg->payload); // Static pressure (Pa)
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i += put_uint16_t_by_index(temperature, i, msg->payload); // Board temperature
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return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
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}
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/**
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* @brief Encode a air_data struct into a message
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*
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* @param system_id ID of this system
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* @param component_id ID of this component (e.g. 200 for IMU)
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* @param msg The MAVLink message to compress the data into
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* @param air_data C-struct to read the message contents from
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*/
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static inline uint16_t mavlink_msg_air_data_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_air_data_t* air_data)
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{
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return mavlink_msg_air_data_pack(system_id, component_id, msg, air_data->dynamicPressure, air_data->staticPressure, air_data->temperature);
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}
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/**
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* @brief Send a air_data message
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* @param chan MAVLink channel to send the message
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*
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* @param dynamicPressure Dynamic pressure (Pa)
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* @param staticPressure Static pressure (Pa)
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* @param temperature Board temperature
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*/
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#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
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static inline void mavlink_msg_air_data_send(mavlink_channel_t chan, float dynamicPressure, float staticPressure, uint16_t temperature)
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{
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mavlink_message_t msg;
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mavlink_msg_air_data_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, dynamicPressure, staticPressure, temperature);
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mavlink_send_uart(chan, &msg);
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}
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#endif
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// MESSAGE AIR_DATA UNPACKING
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/**
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* @brief Get field dynamicPressure from air_data message
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*
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* @return Dynamic pressure (Pa)
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*/
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static inline float mavlink_msg_air_data_get_dynamicPressure(const mavlink_message_t* msg)
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{
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generic_32bit r;
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r.b[3] = (msg->payload)[0];
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r.b[2] = (msg->payload)[1];
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r.b[1] = (msg->payload)[2];
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r.b[0] = (msg->payload)[3];
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return (float)r.f;
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}
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/**
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* @brief Get field staticPressure from air_data message
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*
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* @return Static pressure (Pa)
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*/
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static inline float mavlink_msg_air_data_get_staticPressure(const mavlink_message_t* msg)
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{
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generic_32bit r;
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r.b[3] = (msg->payload+sizeof(float))[0];
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r.b[2] = (msg->payload+sizeof(float))[1];
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r.b[1] = (msg->payload+sizeof(float))[2];
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r.b[0] = (msg->payload+sizeof(float))[3];
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return (float)r.f;
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}
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/**
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* @brief Get field temperature from air_data message
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*
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* @return Board temperature
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*/
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static inline uint16_t mavlink_msg_air_data_get_temperature(const mavlink_message_t* msg)
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{
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generic_16bit r;
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r.b[1] = (msg->payload+sizeof(float)+sizeof(float))[0];
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r.b[0] = (msg->payload+sizeof(float)+sizeof(float))[1];
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return (uint16_t)r.s;
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}
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/**
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* @brief Decode a air_data message into a struct
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*
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* @param msg The message to decode
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* @param air_data C-struct to decode the message contents into
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*/
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static inline void mavlink_msg_air_data_decode(const mavlink_message_t* msg, mavlink_air_data_t* air_data)
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{
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air_data->dynamicPressure = mavlink_msg_air_data_get_dynamicPressure(msg);
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air_data->staticPressure = mavlink_msg_air_data_get_staticPressure(msg);
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air_data->temperature = mavlink_msg_air_data_get_temperature(msg);
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}
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