ardupilot/libraries/GCS_MAVLink/include/common/mavlink_msg_airspeed.h

75 lines
2.0 KiB
C

// MESSAGE AIRSPEED PACKING
#define MAVLINK_MSG_ID_AIRSPEED 72
typedef struct __mavlink_airspeed_t
{
float airspeed; ///< meters/second
} mavlink_airspeed_t;
/**
* @brief Send a airspeed message
*
* @param airspeed meters/second
* @return length of the message in bytes (excluding serial stream start sign)
*/
static inline uint16_t mavlink_msg_airspeed_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, float airspeed)
{
uint16_t i = 0;
msg->msgid = MAVLINK_MSG_ID_AIRSPEED;
i += put_float_by_index(airspeed, i, msg->payload); //meters/second
return mavlink_finalize_message(msg, system_id, component_id, i);
}
static inline uint16_t mavlink_msg_airspeed_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, float airspeed)
{
uint16_t i = 0;
msg->msgid = MAVLINK_MSG_ID_AIRSPEED;
i += put_float_by_index(airspeed, i, msg->payload); //meters/second
return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
}
static inline uint16_t mavlink_msg_airspeed_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_airspeed_t* airspeed)
{
return mavlink_msg_airspeed_pack(system_id, component_id, msg, airspeed->airspeed);
}
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
static inline void mavlink_msg_airspeed_send(mavlink_channel_t chan, float airspeed)
{
mavlink_message_t msg;
mavlink_msg_airspeed_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, airspeed);
mavlink_send_uart(chan, &msg);
}
#endif
// MESSAGE AIRSPEED UNPACKING
/**
* @brief Get field airspeed from airspeed message
*
* @return meters/second
*/
static inline float mavlink_msg_airspeed_get_airspeed(const mavlink_message_t* msg)
{
generic_32bit r;
r.b[3] = (msg->payload)[0];
r.b[2] = (msg->payload)[1];
r.b[1] = (msg->payload)[2];
r.b[0] = (msg->payload)[3];
return (float)r.f;
}
static inline void mavlink_msg_airspeed_decode(const mavlink_message_t* msg, mavlink_airspeed_t* airspeed)
{
airspeed->airspeed = mavlink_msg_airspeed_get_airspeed(msg);
}