// MESSAGE LOCAL_POSITION PACKING #define MAVLINK_MSG_ID_LOCAL_POSITION 31 #define MAVLINK_MSG_ID_LOCAL_POSITION_LEN 32 #define MAVLINK_MSG_31_LEN 32 typedef struct __mavlink_local_position_t { uint64_t usec; ///< Timestamp (microseconds since UNIX epoch or microseconds since system boot) float x; ///< X Position float y; ///< Y Position float z; ///< Z Position float vx; ///< X Speed float vy; ///< Y Speed float vz; ///< Z Speed } mavlink_local_position_t; /** * @brief Pack a local_position 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 x X Position * @param y Y Position * @param z Z Position * @param vx X Speed * @param vy Y Speed * @param vz Z Speed * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_local_position_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint64_t usec, float x, float y, float z, float vx, float vy, float vz) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; msg->msgid = MAVLINK_MSG_ID_LOCAL_POSITION; p->usec = usec; // uint64_t:Timestamp (microseconds since UNIX epoch or microseconds since system boot) p->x = x; // float:X Position p->y = y; // float:Y Position p->z = z; // float:Z Position p->vx = vx; // float:X Speed p->vy = vy; // float:Y Speed p->vz = vz; // float:Z Speed return mavlink_finalize_message(msg, system_id, component_id, MAVLINK_MSG_ID_LOCAL_POSITION_LEN); } /** * @brief Pack a local_position 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 x X Position * @param y Y Position * @param z Z Position * @param vx X Speed * @param vy Y Speed * @param vz Z Speed * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_local_position_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint64_t usec, float x, float y, float z, float vx, float vy, float vz) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; msg->msgid = MAVLINK_MSG_ID_LOCAL_POSITION; p->usec = usec; // uint64_t:Timestamp (microseconds since UNIX epoch or microseconds since system boot) p->x = x; // float:X Position p->y = y; // float:Y Position p->z = z; // float:Z Position p->vx = vx; // float:X Speed p->vy = vy; // float:Y Speed p->vz = vz; // float:Z Speed return mavlink_finalize_message_chan(msg, system_id, component_id, chan, MAVLINK_MSG_ID_LOCAL_POSITION_LEN); } /** * @brief Encode a local_position 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 local_position C-struct to read the message contents from */ static inline uint16_t mavlink_msg_local_position_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_local_position_t* local_position) { return mavlink_msg_local_position_pack(system_id, component_id, msg, local_position->usec, local_position->x, local_position->y, local_position->z, local_position->vx, local_position->vy, local_position->vz); } /** * @brief Send a local_position message * @param chan MAVLink channel to send the message * * @param usec Timestamp (microseconds since UNIX epoch or microseconds since system boot) * @param x X Position * @param y Y Position * @param z Z Position * @param vx X Speed * @param vy Y Speed * @param vz Z Speed */ #ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS static inline void mavlink_msg_local_position_send(mavlink_channel_t chan, uint64_t usec, float x, float y, float z, float vx, float vy, float vz) { mavlink_message_t msg; uint16_t checksum; mavlink_local_position_t *p = (mavlink_local_position_t *)&msg.payload[0]; p->usec = usec; // uint64_t:Timestamp (microseconds since UNIX epoch or microseconds since system boot) p->x = x; // float:X Position p->y = y; // float:Y Position p->z = z; // float:Z Position p->vx = vx; // float:X Speed p->vy = vy; // float:Y Speed p->vz = vz; // float:Z Speed msg.STX = MAVLINK_STX; msg.len = MAVLINK_MSG_ID_LOCAL_POSITION_LEN; msg.msgid = MAVLINK_MSG_ID_LOCAL_POSITION; msg.sysid = mavlink_system.sysid; msg.compid = mavlink_system.compid; msg.seq = mavlink_get_channel_status(chan)->current_tx_seq; mavlink_get_channel_status(chan)->current_tx_seq = msg.seq + 1; checksum = crc_calculate_msg(&msg, msg.len + MAVLINK_CORE_HEADER_LEN); msg.ck_a = (uint8_t)(checksum & 0xFF); ///< Low byte msg.ck_b = (uint8_t)(checksum >> 8); ///< High byte mavlink_send_msg(chan, &msg); } #endif #ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS_SMALL static inline void mavlink_msg_local_position_send(mavlink_channel_t chan, uint64_t usec, float x, float y, float z, float vx, float vy, float vz) { mavlink_header_t hdr; mavlink_local_position_t payload; uint16_t checksum; mavlink_local_position_t *p = &payload; p->usec = usec; // uint64_t:Timestamp (microseconds since UNIX epoch or microseconds since system boot) p->x = x; // float:X Position p->y = y; // float:Y Position p->z = z; // float:Z Position p->vx = vx; // float:X Speed p->vy = vy; // float:Y Speed p->vz = vz; // float:Z Speed hdr.STX = MAVLINK_STX; hdr.len = MAVLINK_MSG_ID_LOCAL_POSITION_LEN; hdr.msgid = MAVLINK_MSG_ID_LOCAL_POSITION; 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 LOCAL_POSITION UNPACKING /** * @brief Get field usec from local_position message * * @return Timestamp (microseconds since UNIX epoch or microseconds since system boot) */ static inline uint64_t mavlink_msg_local_position_get_usec(const mavlink_message_t* msg) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; return (uint64_t)(p->usec); } /** * @brief Get field x from local_position message * * @return X Position */ static inline float mavlink_msg_local_position_get_x(const mavlink_message_t* msg) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; return (float)(p->x); } /** * @brief Get field y from local_position message * * @return Y Position */ static inline float mavlink_msg_local_position_get_y(const mavlink_message_t* msg) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; return (float)(p->y); } /** * @brief Get field z from local_position message * * @return Z Position */ static inline float mavlink_msg_local_position_get_z(const mavlink_message_t* msg) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; return (float)(p->z); } /** * @brief Get field vx from local_position message * * @return X Speed */ static inline float mavlink_msg_local_position_get_vx(const mavlink_message_t* msg) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; return (float)(p->vx); } /** * @brief Get field vy from local_position message * * @return Y Speed */ static inline float mavlink_msg_local_position_get_vy(const mavlink_message_t* msg) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; return (float)(p->vy); } /** * @brief Get field vz from local_position message * * @return Z Speed */ static inline float mavlink_msg_local_position_get_vz(const mavlink_message_t* msg) { mavlink_local_position_t *p = (mavlink_local_position_t *)&msg->payload[0]; return (float)(p->vz); } /** * @brief Decode a local_position message into a struct * * @param msg The message to decode * @param local_position C-struct to decode the message contents into */ static inline void mavlink_msg_local_position_decode(const mavlink_message_t* msg, mavlink_local_position_t* local_position) { memcpy( local_position, msg->payload, sizeof(mavlink_local_position_t)); }