Ardupilot2/libraries/GCS_MAVLink/include/common/mavlink_msg_param_set.h
2010-12-05 00:49:04 +00:00

123 lines
4.3 KiB
C

// MESSAGE PARAM_SET PACKING
#define MAVLINK_MSG_ID_PARAM_SET 23
typedef struct __mavlink_param_set_t
{
uint8_t target_system; ///< System ID
uint8_t target_component; ///< Component ID
int8_t param_id[15]; ///< Onboard parameter id
float param_value; ///< Onboard parameter value
} mavlink_param_set_t;
#define MAVLINK_MSG_PARAM_SET_FIELD_PARAM_ID_LEN 15
/**
* @brief Send a param_set message
*
* @param target_system System ID
* @param target_component Component ID
* @param param_id Onboard parameter id
* @param param_value Onboard parameter value
* @return length of the message in bytes (excluding serial stream start sign)
*/
static inline uint16_t mavlink_msg_param_set_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, float param_value)
{
uint16_t i = 0;
msg->msgid = MAVLINK_MSG_ID_PARAM_SET;
i += put_uint8_t_by_index(target_system, i, msg->payload); //System ID
i += put_uint8_t_by_index(target_component, i, msg->payload); //Component ID
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
return mavlink_finalize_message(msg, system_id, component_id, i);
}
static inline uint16_t mavlink_msg_param_set_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, float param_value)
{
uint16_t i = 0;
msg->msgid = MAVLINK_MSG_ID_PARAM_SET;
i += put_uint8_t_by_index(target_system, i, msg->payload); //System ID
i += put_uint8_t_by_index(target_component, i, msg->payload); //Component ID
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
return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
}
static inline uint16_t mavlink_msg_param_set_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_param_set_t* param_set)
{
return mavlink_msg_param_set_pack(system_id, component_id, msg, param_set->target_system, param_set->target_component, param_set->param_id, param_set->param_value);
}
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
static inline void mavlink_msg_param_set_send(mavlink_channel_t chan, uint8_t target_system, uint8_t target_component, const int8_t* param_id, float param_value)
{
mavlink_message_t msg;
mavlink_msg_param_set_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, target_system, target_component, param_id, param_value);
mavlink_send_uart(chan, &msg);
}
#endif
// MESSAGE PARAM_SET UNPACKING
/**
* @brief Get field target_system from param_set message
*
* @return System ID
*/
static inline uint8_t mavlink_msg_param_set_get_target_system(const mavlink_message_t* msg)
{
return (uint8_t)(msg->payload)[0];
}
/**
* @brief Get field target_component from param_set message
*
* @return Component ID
*/
static inline uint8_t mavlink_msg_param_set_get_target_component(const mavlink_message_t* msg)
{
return (uint8_t)(msg->payload+sizeof(uint8_t))[0];
}
/**
* @brief Get field param_id from param_set message
*
* @return Onboard parameter id
*/
static inline uint16_t mavlink_msg_param_set_get_param_id(const mavlink_message_t* msg, int8_t* r_data)
{
memcpy(r_data, msg->payload+sizeof(uint8_t)+sizeof(uint8_t), 15);
return 15;
}
/**
* @brief Get field param_value from param_set message
*
* @return Onboard parameter value
*/
static inline float mavlink_msg_param_set_get_param_value(const mavlink_message_t* msg)
{
generic_32bit r;
r.b[3] = (msg->payload+sizeof(uint8_t)+sizeof(uint8_t)+15)[0];
r.b[2] = (msg->payload+sizeof(uint8_t)+sizeof(uint8_t)+15)[1];
r.b[1] = (msg->payload+sizeof(uint8_t)+sizeof(uint8_t)+15)[2];
r.b[0] = (msg->payload+sizeof(uint8_t)+sizeof(uint8_t)+15)[3];
return (float)r.f;
}
static inline void mavlink_msg_param_set_decode(const mavlink_message_t* msg, mavlink_param_set_t* param_set)
{
param_set->target_system = mavlink_msg_param_set_get_target_system(msg);
param_set->target_component = mavlink_msg_param_set_get_target_component(msg);
mavlink_msg_param_set_get_param_id(msg, param_set->param_id);
param_set->param_value = mavlink_msg_param_set_get_param_value(msg);
}