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Show/hide line numbers mavlink_msg_param_request_read.h Source File

mavlink_msg_param_request_read.h

00001 // MESSAGE PARAM_REQUEST_READ PACKING
00002 
00003 #define MAVLINK_MSG_ID_PARAM_REQUEST_READ 20
00004 
00005 typedef struct __mavlink_param_request_read_t 
00006 {
00007     uint8_t target_system; ///< System ID
00008     uint8_t target_component; ///< Component ID
00009     int8_t param_id[15]; ///< Onboard parameter id
00010     int16_t param_index; ///< Parameter index. Send -1 to use the param ID field as identifier
00011 
00012 } mavlink_param_request_read_t;
00013 
00014 #define MAVLINK_MSG_PARAM_REQUEST_READ_FIELD_PARAM_ID_LEN 15
00015 
00016 
00017 /**
00018  * @brief Pack a param_request_read message
00019  * @param system_id ID of this system
00020  * @param component_id ID of this component (e.g. 200 for IMU)
00021  * @param msg The MAVLink message to compress the data into
00022  *
00023  * @param target_system System ID
00024  * @param target_component Component ID
00025  * @param param_id Onboard parameter id
00026  * @param param_index Parameter index. Send -1 to use the param ID field as identifier
00027  * @return length of the message in bytes (excluding serial stream start sign)
00028  */
00029 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 int8_t* param_id, int16_t param_index)
00030 {
00031     uint16_t i = 0;
00032     msg->msgid = MAVLINK_MSG_ID_PARAM_REQUEST_READ;
00033 
00034     i += put_uint8_t_by_index(target_system, i, msg->payload); // System ID
00035     i += put_uint8_t_by_index(target_component, i, msg->payload); // Component ID
00036     i += put_array_by_index(param_id, 15, i, msg->payload); // Onboard parameter id
00037     i += put_int16_t_by_index(param_index, i, msg->payload); // Parameter index. Send -1 to use the param ID field as identifier
00038 
00039     return mavlink_finalize_message(msg, system_id, component_id, i);
00040 }
00041 
00042 /**
00043  * @brief Pack a param_request_read message
00044  * @param system_id ID of this system
00045  * @param component_id ID of this component (e.g. 200 for IMU)
00046  * @param chan The MAVLink channel this message was sent over
00047  * @param msg The MAVLink message to compress the data into
00048  * @param target_system System ID
00049  * @param target_component Component ID
00050  * @param param_id Onboard parameter id
00051  * @param param_index Parameter index. Send -1 to use the param ID field as identifier
00052  * @return length of the message in bytes (excluding serial stream start sign)
00053  */
00054 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 int8_t* param_id, int16_t param_index)
00055 {
00056     uint16_t i = 0;
00057     msg->msgid = MAVLINK_MSG_ID_PARAM_REQUEST_READ;
00058 
00059     i += put_uint8_t_by_index(target_system, i, msg->payload); // System ID
00060     i += put_uint8_t_by_index(target_component, i, msg->payload); // Component ID
00061     i += put_array_by_index(param_id, 15, i, msg->payload); // Onboard parameter id
00062     i += put_int16_t_by_index(param_index, i, msg->payload); // Parameter index. Send -1 to use the param ID field as identifier
00063 
00064     return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
00065 }
00066 
00067 /**
00068  * @brief Encode a param_request_read struct into a message
00069  *
00070  * @param system_id ID of this system
00071  * @param component_id ID of this component (e.g. 200 for IMU)
00072  * @param msg The MAVLink message to compress the data into
00073  * @param param_request_read C-struct to read the message contents from
00074  */
00075 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)
00076 {
00077     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);
00078 }
00079 
00080 /**
00081  * @brief Send a param_request_read message
00082  * @param chan MAVLink channel to send the message
00083  *
00084  * @param target_system System ID
00085  * @param target_component Component ID
00086  * @param param_id Onboard parameter id
00087  * @param param_index Parameter index. Send -1 to use the param ID field as identifier
00088  */
00089 #ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
00090 
00091 static inline void mavlink_msg_param_request_read_send(mavlink_channel_t chan, uint8_t target_system, uint8_t target_component, const int8_t* param_id, int16_t param_index)
00092 {
00093     mavlink_message_t msg;
00094     mavlink_msg_param_request_read_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, target_system, target_component, param_id, param_index);
00095     mavlink_send_uart(chan, &msg);
00096 }
00097 
00098 #endif
00099 // MESSAGE PARAM_REQUEST_READ UNPACKING
00100 
00101 /**
00102  * @brief Get field target_system from param_request_read message
00103  *
00104  * @return System ID
00105  */
00106 static inline uint8_t mavlink_msg_param_request_read_get_target_system(const mavlink_message_t* msg)
00107 {
00108     return (uint8_t)(msg->payload)[0];
00109 }
00110 
00111 /**
00112  * @brief Get field target_component from param_request_read message
00113  *
00114  * @return Component ID
00115  */
00116 static inline uint8_t mavlink_msg_param_request_read_get_target_component(const mavlink_message_t* msg)
00117 {
00118     return (uint8_t)(msg->payload+sizeof(uint8_t))[0];
00119 }
00120 
00121 /**
00122  * @brief Get field param_id from param_request_read message
00123  *
00124  * @return Onboard parameter id
00125  */
00126 static inline uint16_t mavlink_msg_param_request_read_get_param_id(const mavlink_message_t* msg, int8_t* r_data)
00127 {
00128 
00129     memcpy(r_data, msg->payload+sizeof(uint8_t)+sizeof(uint8_t), 15);
00130     return 15;
00131 }
00132 
00133 /**
00134  * @brief Get field param_index from param_request_read message
00135  *
00136  * @return Parameter index. Send -1 to use the param ID field as identifier
00137  */
00138 static inline int16_t mavlink_msg_param_request_read_get_param_index(const mavlink_message_t* msg)
00139 {
00140     generic_16bit r;
00141     r.b[1] = (msg->payload+sizeof(uint8_t)+sizeof(uint8_t)+15)[0];
00142     r.b[0] = (msg->payload+sizeof(uint8_t)+sizeof(uint8_t)+15)[1];
00143     return (int16_t)r.s;
00144 }
00145 
00146 /**
00147  * @brief Decode a param_request_read message into a struct
00148  *
00149  * @param msg The message to decode
00150  * @param param_request_read C-struct to decode the message contents into
00151  */
00152 static inline void mavlink_msg_param_request_read_decode(const mavlink_message_t* msg, mavlink_param_request_read_t* param_request_read)
00153 {
00154     param_request_read->target_system = mavlink_msg_param_request_read_get_target_system(msg);
00155     param_request_read->target_component = mavlink_msg_param_request_read_get_target_component(msg);
00156     mavlink_msg_param_request_read_get_param_id(msg, param_request_read->param_id);
00157     param_request_read->param_index = mavlink_msg_param_request_read_get_param_index(msg);
00158 }