// MESSAGE PARAM_REQUEST_READ PACKING #define MAVLINK_MSG_ID_PARAM_REQUEST_READ 20 typedef struct __mavlink_param_request_read_t { int16_t param_index; ///< Parameter index. Send -1 to use the param ID field as identifier (else the param id will be ignored) uint8_t target_system; ///< System ID uint8_t target_component; ///< Component ID char param_id[16]; ///< Onboard parameter id, terminated by NULL if the length is less than 16 human-readable chars and WITHOUT null termination (NULL) byte if the length is exactly 16 chars - applications have to provide 16+1 bytes storage if the ID is stored as string } mavlink_param_request_read_t; #define MAVLINK_MSG_ID_PARAM_REQUEST_READ_LEN 20 #define MAVLINK_MSG_ID_20_LEN 20 #define MAVLINK_MSG_PARAM_REQUEST_READ_FIELD_PARAM_ID_LEN 16 #define MAVLINK_MESSAGE_INFO_PARAM_REQUEST_READ { \ "PARAM_REQUEST_READ", \ 4, \ { { "param_index", NULL, MAVLINK_TYPE_INT16_T, 0, 0, offsetof(mavlink_param_request_read_t, param_index) }, \ { "target_system", NULL, MAVLINK_TYPE_UINT8_T, 0, 2, offsetof(mavlink_param_request_read_t, target_system) }, \ { "target_component", NULL, MAVLINK_TYPE_UINT8_T, 0, 3, offsetof(mavlink_param_request_read_t, target_component) }, \ { "param_id", NULL, MAVLINK_TYPE_CHAR, 16, 4, offsetof(mavlink_param_request_read_t, param_id) }, \ } \ } /** * @brief Pack a param_request_read 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 target_system System ID * @param target_component Component ID * @param param_id Onboard parameter id, terminated by NULL if the length is less than 16 human-readable chars and WITHOUT null termination (NULL) byte if the length is exactly 16 chars - applications have to provide 16+1 bytes storage if the ID is stored as string * @param param_index Parameter index. Send -1 to use the param ID field as identifier (else the param id will be ignored) * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_param_request_read_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint8_t target_system, uint8_t target_component, const char *param_id, int16_t param_index) { #if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS char buf[20]; _mav_put_int16_t(buf, 0, param_index); _mav_put_uint8_t(buf, 2, target_system); _mav_put_uint8_t(buf, 3, target_component); _mav_put_char_array(buf, 4, param_id, 16); memcpy(_MAV_PAYLOAD_NON_CONST(msg), buf, 20); #else mavlink_param_request_read_t packet; packet.param_index = param_index; packet.target_system = target_system; packet.target_component = target_component; mav_array_memcpy(packet.param_id, param_id, sizeof(char)*16); memcpy(_MAV_PAYLOAD_NON_CONST(msg), &packet, 20); #endif msg->msgid = MAVLINK_MSG_ID_PARAM_REQUEST_READ; return mavlink_finalize_message(msg, system_id, component_id, 20, 214); } /** * @brief Pack a param_request_read message on a channel * @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 target_system System ID * @param target_component Component ID * @param param_id Onboard parameter id, terminated by NULL if the length is less than 16 human-readable chars and WITHOUT null termination (NULL) byte if the length is exactly 16 chars - applications have to provide 16+1 bytes storage if the ID is stored as string * @param param_index Parameter index. Send -1 to use the param ID field as identifier (else the param id will be ignored) * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_param_request_read_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint8_t target_system,uint8_t target_component,const char *param_id,int16_t param_index) { #if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS char buf[20]; _mav_put_int16_t(buf, 0, param_index); _mav_put_uint8_t(buf, 2, target_system); _mav_put_uint8_t(buf, 3, target_component); _mav_put_char_array(buf, 4, param_id, 16); memcpy(_MAV_PAYLOAD_NON_CONST(msg), buf, 20); #else mavlink_param_request_read_t packet; packet.param_index = param_index; packet.target_system = target_system; packet.target_component = target_component; mav_array_memcpy(packet.param_id, param_id, sizeof(char)*16); memcpy(_MAV_PAYLOAD_NON_CONST(msg), &packet, 20); #endif msg->msgid = MAVLINK_MSG_ID_PARAM_REQUEST_READ; return mavlink_finalize_message_chan(msg, system_id, component_id, chan, 20, 214); } /** * @brief Encode a param_request_read 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 param_request_read C-struct to read the message contents from */ static inline uint16_t mavlink_msg_param_request_read_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_param_request_read_t* param_request_read) { return mavlink_msg_param_request_read_pack(system_id, component_id, msg, param_request_read->target_system, param_request_read->target_component, param_request_read->param_id, param_request_read->param_index); } /** * @brief Send a param_request_read message * @param chan MAVLink channel to send the message * * @param target_system System ID * @param target_component Component ID * @param param_id Onboard parameter id, terminated by NULL if the length is less than 16 human-readable chars and WITHOUT null termination (NULL) byte if the length is exactly 16 chars - applications have to provide 16+1 bytes storage if the ID is stored as string * @param param_index Parameter index. Send -1 to use the param ID field as identifier (else the param id will be ignored) */ #ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS static inline void mavlink_msg_param_request_read_send(mavlink_channel_t chan, uint8_t target_system, uint8_t target_component, const char *param_id, int16_t param_index) { #if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS char buf[20]; _mav_put_int16_t(buf, 0, param_index); _mav_put_uint8_t(buf, 2, target_system); _mav_put_uint8_t(buf, 3, target_component); _mav_put_char_array(buf, 4, param_id, 16); _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_PARAM_REQUEST_READ, buf, 20, 214); #else mavlink_param_request_read_t packet; packet.param_index = param_index; packet.target_system = target_system; packet.target_component = target_component; mav_array_memcpy(packet.param_id, param_id, sizeof(char)*16); _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_PARAM_REQUEST_READ, (const char *)&packet, 20, 214); #endif } #endif // MESSAGE PARAM_REQUEST_READ UNPACKING /** * @brief Get field target_system from param_request_read message * * @return System ID */ static inline uint8_t mavlink_msg_param_request_read_get_target_system(const mavlink_message_t* msg) { return _MAV_RETURN_uint8_t(msg, 2); } /** * @brief Get field target_component from param_request_read message * * @return Component ID */ static inline uint8_t mavlink_msg_param_request_read_get_target_component(const mavlink_message_t* msg) { return _MAV_RETURN_uint8_t(msg, 3); } /** * @brief Get field param_id from param_request_read message * * @return Onboard parameter id, terminated by NULL if the length is less than 16 human-readable chars and WITHOUT null termination (NULL) byte if the length is exactly 16 chars - applications have to provide 16+1 bytes storage if the ID is stored as string */ static inline uint16_t mavlink_msg_param_request_read_get_param_id(const mavlink_message_t* msg, char *param_id) { return _MAV_RETURN_char_array(msg, param_id, 16, 4); } /** * @brief Get field param_index from param_request_read message * * @return Parameter index. Send -1 to use the param ID field as identifier (else the param id will be ignored) */ static inline int16_t mavlink_msg_param_request_read_get_param_index(const mavlink_message_t* msg) { return _MAV_RETURN_int16_t(msg, 0); } /** * @brief Decode a param_request_read message into a struct * * @param msg The message to decode * @param param_request_read C-struct to decode the message contents into */ static inline void mavlink_msg_param_request_read_decode(const mavlink_message_t* msg, mavlink_param_request_read_t* param_request_read) { #if MAVLINK_NEED_BYTE_SWAP param_request_read->param_index = mavlink_msg_param_request_read_get_param_index(msg); param_request_read->target_system = mavlink_msg_param_request_read_get_target_system(msg); param_request_read->target_component = mavlink_msg_param_request_read_get_target_component(msg); mavlink_msg_param_request_read_get_param_id(msg, param_request_read->param_id); #else memcpy(param_request_read, _MAV_PAYLOAD(msg), 20); #endif }