// MESSAGE PARAM_VALUE PACKING #define MAVLINK_MSG_ID_PARAM_VALUE 22 typedef struct __mavlink_param_value_t { int8_t param_id[15]; ///< Onboard parameter id float param_value; ///< Onboard parameter value uint16_t param_count; ///< Total number of onboard parameters uint16_t param_index; ///< Index of this onboard parameter } mavlink_param_value_t; #define MAVLINK_MSG_PARAM_VALUE_FIELD_PARAM_ID_LEN 15 /** * @brief Pack a param_value 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_id Onboard parameter id * @param param_value Onboard parameter value * @param param_count Total number of onboard parameters * @param param_index Index of this onboard parameter * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_param_value_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const int8_t* param_id, float param_value, uint16_t param_count, uint16_t param_index) { uint16_t i = 0; msg->msgid = MAVLINK_MSG_ID_PARAM_VALUE; i += put_array_by_index(param_id, 15, i, msg->payload); // Onboard parameter id i += put_float_by_index(param_value, i, msg->payload); // Onboard parameter value i += put_uint16_t_by_index(param_count, i, msg->payload); // Total number of onboard parameters i += put_uint16_t_by_index(param_index, i, msg->payload); // Index of this onboard parameter return mavlink_finalize_message(msg, system_id, component_id, i); } /** * @brief Pack a param_value 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 param_id Onboard parameter id * @param param_value Onboard parameter value * @param param_count Total number of onboard parameters * @param param_index Index of this onboard parameter * @return length of the message in bytes (excluding serial stream start sign) */ static inline uint16_t mavlink_msg_param_value_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, const int8_t* param_id, float param_value, uint16_t param_count, uint16_t param_index) { uint16_t i = 0; msg->msgid = MAVLINK_MSG_ID_PARAM_VALUE; i += put_array_by_index(param_id, 15, i, msg->payload); // Onboard parameter id i += put_float_by_index(param_value, i, msg->payload); // Onboard parameter value i += put_uint16_t_by_index(param_count, i, msg->payload); // Total number of onboard parameters i += put_uint16_t_by_index(param_index, i, msg->payload); // Index of this onboard parameter return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i); } /** * @brief Encode a param_value 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_value C-struct to read the message contents from */ static inline uint16_t mavlink_msg_param_value_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_param_value_t* param_value) { return mavlink_msg_param_value_pack(system_id, component_id, msg, param_value->param_id, param_value->param_value, param_value->param_count, param_value->param_index); } /** * @brief Send a param_value message * @param chan MAVLink channel to send the message * * @param param_id Onboard parameter id * @param param_value Onboard parameter value * @param param_count Total number of onboard parameters * @param param_index Index of this onboard parameter */ #ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS static inline void mavlink_msg_param_value_send(mavlink_channel_t chan, const int8_t* param_id, float param_value, uint16_t param_count, uint16_t param_index) { mavlink_message_t msg; mavlink_msg_param_value_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, param_id, param_value, param_count, param_index); mavlink_send_uart(chan, &msg); } #endif // MESSAGE PARAM_VALUE UNPACKING /** * @brief Get field param_id from param_value message * * @return Onboard parameter id */ static inline uint16_t mavlink_msg_param_value_get_param_id(const mavlink_message_t* msg, int8_t* r_data) { memcpy(r_data, msg->payload, 15); return 15; } /** * @brief Get field param_value from param_value message * * @return Onboard parameter value */ static inline float mavlink_msg_param_value_get_param_value(const mavlink_message_t* msg) { generic_32bit r; r.b[3] = (msg->payload+15)[0]; r.b[2] = (msg->payload+15)[1]; r.b[1] = (msg->payload+15)[2]; r.b[0] = (msg->payload+15)[3]; return (float)r.f; } /** * @brief Get field param_count from param_value message * * @return Total number of onboard parameters */ static inline uint16_t mavlink_msg_param_value_get_param_count(const mavlink_message_t* msg) { generic_16bit r; r.b[1] = (msg->payload+15+sizeof(float))[0]; r.b[0] = (msg->payload+15+sizeof(float))[1]; return (uint16_t)r.s; } /** * @brief Get field param_index from param_value message * * @return Index of this onboard parameter */ static inline uint16_t mavlink_msg_param_value_get_param_index(const mavlink_message_t* msg) { generic_16bit r; r.b[1] = (msg->payload+15+sizeof(float)+sizeof(uint16_t))[0]; r.b[0] = (msg->payload+15+sizeof(float)+sizeof(uint16_t))[1]; return (uint16_t)r.s; } /** * @brief Decode a param_value message into a struct * * @param msg The message to decode * @param param_value C-struct to decode the message contents into */ static inline void mavlink_msg_param_value_decode(const mavlink_message_t* msg, mavlink_param_value_t* param_value) { mavlink_msg_param_value_get_param_id(msg, param_value->param_id); param_value->param_value = mavlink_msg_param_value_get_param_value(msg); param_value->param_count = mavlink_msg_param_value_get_param_count(msg); param_value->param_index = mavlink_msg_param_value_get_param_index(msg); }